Mercurial > vim
changeset 15814:99ebf78686a9 v8.1.0914
patch 8.1.0914: code related to findfile() is spread out
commit https://github.com/vim/vim/commit/5fd0f5052f9a312bb4cfe7b4176b1211d45127ee
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Feb 13 23:13:28 2019 +0100
patch 8.1.0914: code related to findfile() is spread out
Problem: Code related to findfile() is spread out.
Solution: Put findfile() related code into a new source file. (Yegappan
Lakshmanan, closes #3934)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Wed, 13 Feb 2019 23:15:05 +0100 |
| parents | ad21b64216aa |
| children | 1095c7b7ff57 |
| files | Filelist src/Make_bc5.mak src/Make_cyg_ming.mak src/Make_dice.mak src/Make_ivc.mak src/Make_manx.mak src/Make_morph.mak src/Make_mvc.mak src/Make_sas.mak src/Make_vms.mms src/Makefile src/README.txt src/findfile.c src/misc1.c src/misc2.c src/proto.h src/proto/findfile.pro src/proto/misc1.pro src/proto/misc2.pro src/proto/window.pro src/version.c src/window.c |
| diffstat | 22 files changed, 2775 insertions(+), 2724 deletions(-) [+] |
line wrap: on
line diff
--- a/Filelist +++ b/Filelist @@ -41,6 +41,7 @@ SRC_ALL = \ src/farsi.h \ src/feature.h \ src/fileio.c \ + src/findfile.c \ src/fold.c \ src/getchar.c \ src/globals.h \ @@ -170,6 +171,7 @@ SRC_ALL = \ src/proto/ex_getln.pro \ src/proto/farsi.pro \ src/proto/fileio.pro \ + src/proto/findfile.pro \ src/proto/fold.pro \ src/proto/getchar.pro \ src/proto/gui.pro \
--- a/src/Make_bc5.mak +++ b/src/Make_bc5.mak @@ -544,6 +544,7 @@ vimobj = \ $(OBJDIR)\ex_getln.obj \ $(OBJDIR)\farsi.obj \ $(OBJDIR)\fileio.obj \ + $(OBJDIR)\findfile.obj \ $(OBJDIR)\fold.obj \ $(OBJDIR)\getchar.obj \ $(OBJDIR)\hardcopy.obj \
--- a/src/Make_cyg_ming.mak +++ b/src/Make_cyg_ming.mak @@ -716,6 +716,7 @@ OBJ = \ $(OUTDIR)/ex_getln.o \ $(OUTDIR)/farsi.o \ $(OUTDIR)/fileio.o \ + $(OUTDIR)/findfile.o \ $(OUTDIR)/fold.o \ $(OUTDIR)/getchar.o \ $(OUTDIR)/hardcopy.o \
--- a/src/Make_dice.mak +++ b/src/Make_dice.mak @@ -46,6 +46,7 @@ SRC = \ ex_getln.c \ farsi.c \ fileio.c \ + findfile.c \ fold.c \ getchar.c \ hardcopy.c \ @@ -105,6 +106,7 @@ OBJ = o/arabic.o \ o/ex_getln.o \ o/farsi.o \ o/fileio.o \ + o/findfile.o \ o/fold.o \ o/getchar.o \ o/hardcopy.o \ @@ -203,6 +205,8 @@ o/farsi.o: farsi.c $(SYMS) o/fileio.o: fileio.c $(SYMS) +o/findfile.o: findfile.c $(SYMS) + o/fold.o: fold.c $(SYMS) o/getchar.o: getchar.c $(SYMS)
--- a/src/Make_ivc.mak +++ b/src/Make_ivc.mak @@ -230,6 +230,7 @@ LINK32_OBJS= \ "$(INTDIR)/ex_getln.obj" \ "$(INTDIR)/farsi.obj" \ "$(INTDIR)/fileio.obj" \ + "$(INTDIR)/findfile.obj" \ "$(INTDIR)/fold.obj" \ "$(INTDIR)/getchar.obj" \ "$(INTDIR)/hardcopy.obj" \ @@ -419,6 +420,10 @@ SOURCE=.\farsi.c SOURCE=.\fileio.c # End Source File # Begin Source File +# +SOURCE=.\findfile.c +# End Source File +# Begin Source File SOURCE=.\fold.c # End Source File
--- a/src/Make_manx.mak +++ b/src/Make_manx.mak @@ -56,6 +56,7 @@ SRC = arabic.c \ ex_getln.c \ farsi.c \ fileio.c \ + findfile.c \ fold.c \ getchar.c \ hardcopy.c \ @@ -117,6 +118,7 @@ OBJ = obj/arabic.o \ obj/ex_getln.o \ obj/farsi.o \ obj/fileio.o \ + obj/findfile.o \ obj/fold.o \ obj/getchar.o \ obj/hardcopy.o \ @@ -176,6 +178,7 @@ PRO = proto/arabic.pro \ proto/ex_getln.pro \ proto/farsi.pro \ proto/fileio.pro \ + proto/findfile.pro \ proto/fold.pro \ proto/getchar.pro \ proto/hardcopy.pro \ @@ -320,6 +323,9 @@ obj/farsi.o: farsi.c obj/fileio.o: fileio.c $(CCSYM) $@ fileio.c +obj/findfile.o: findfile.c + $(CCSYM) $@ findfile.c + obj/fold.o: fold.c $(CCSYM) $@ fold.c
--- a/src/Make_morph.mak +++ b/src/Make_morph.mak @@ -44,6 +44,7 @@ SRC = arabic.c \ ex_getln.c \ farsi.c \ fileio.c \ + findfile.c \ fold.c \ getchar.c \ hardcopy.c \
--- a/src/Make_mvc.mak +++ b/src/Make_mvc.mak @@ -721,6 +721,7 @@ OBJ = \ $(OUTDIR)\ex_getln.obj \ $(OUTDIR)\farsi.obj \ $(OUTDIR)\fileio.obj \ + $(OUTDIR)\findfile.obj \ $(OUTDIR)\fold.obj \ $(OUTDIR)\getchar.obj \ $(OUTDIR)\hardcopy.obj \ @@ -1407,6 +1408,8 @@ testclean: $(OUTDIR)/fileio.obj: $(OUTDIR) fileio.c $(INCL) +$(OUTDIR)/findfile.obj: $(OUTDIR) findfile.c $(INCL) + $(OUTDIR)/fold.obj: $(OUTDIR) fold.c $(INCL) $(OUTDIR)/getchar.obj: $(OUTDIR) getchar.c $(INCL) @@ -1645,6 +1648,7 @@ proto.h: \ proto/ex_getln.pro \ proto/farsi.pro \ proto/fileio.pro \ + proto/findfile.pro \ proto/getchar.pro \ proto/hardcopy.pro \ proto/hashtab.pro \
--- a/src/Make_sas.mak +++ b/src/Make_sas.mak @@ -109,6 +109,7 @@ SRC = \ ex_getln.c \ farsi.c \ fileio.c \ + findfile.c \ fold.c \ getchar.c \ hardcopy.c \ @@ -169,6 +170,7 @@ OBJ = \ ex_getln.o \ farsi.o \ fileio.o \ + findfile.o \ fold.o \ getchar.o \ hardcopy.o \ @@ -229,6 +231,7 @@ PRO = \ proto/ex_getln.pro \ proto/farsi.pro \ proto/fileio.pro \ + proto/findfile.pro \ proto/fold.pro \ proto/getchar.pro \ proto/hardcopy.pro \ @@ -363,6 +366,8 @@ farsi.o: farsi.c proto/farsi.pro: farsi.c fileio.o: fileio.c proto/fileio.pro: fileio.c +findfile.o: findfile.c +proto/findfile.pro: findfile.c fold.o: fold.c proto/fold.pro: fold.c getchar.o: getchar.c
--- a/src/Make_vms.mms +++ b/src/Make_vms.mms @@ -312,23 +312,31 @@ ALL_CFLAGS_VER = /def=($(MODEL_DEF)$(DEF ALL_LIBS = $(LIBS) $(GUI_LIB_DIR) $(GUI_LIB) \ $(PERL_LIB) $(PYTHON_LIB) $(TCL_LIB) $(RUBY_LIB) -SRC = arabic.c autocmd.c beval.c blob.c blowfish.c buffer.c charset.c crypt.c crypt_zip.c dict.c diff.c digraph.c edit.c eval.c \ - evalfunc.c ex_cmds.c ex_cmds2.c ex_docmd.c ex_eval.c ex_getln.c if_cscope.c if_xcmdsrv.c farsi.c fileio.c fold.c \ - getchar.c hardcopy.c hashtab.c indent.c json.c list.c main.c mark.c menu.c mbyte.c memfile.c memline.c message.c misc1.c \ - misc2.c move.c normal.c ops.c option.c popupmnu.c quickfix.c regexp.c search.c sha256.c sign.c \ - spell.c spellfile.c syntax.c tag.c term.c termlib.c textprop.c ui.c undo.c userfunc.c version.c screen.c \ - window.c os_unix.c os_vms.c pathdef.c \ +SRC = arabic.c autocmd.c beval.c blob.c blowfish.c buffer.c charset.c \ + crypt.c crypt_zip.c dict.c diff.c digraph.c edit.c eval.c evalfunc.c \ + ex_cmds.c ex_cmds2.c ex_docmd.c ex_eval.c ex_getln.c if_cscope.c \ + if_xcmdsrv.c farsi.c fileio.c findfile.c fold.c getchar.c hardcopy.c \ + hashtab.c indent.c json.c list.c main.c mark.c menu.c mbyte.c \ + memfile.c memline.c message.c misc1.c misc2.c move.c normal.c ops.c \ + option.c popupmnu.c quickfix.c regexp.c search.c sha256.c sign.c \ + spell.c spellfile.c syntax.c tag.c term.c termlib.c textprop.c ui.c \ + undo.c userfunc.c version.c screen.c window.c os_unix.c os_vms.c \ + pathdef.c $(GUI_SRC) $(PERL_SRC) $(PYTHON_SRC) $(TCL_SRC) \ $(RUBY_SRC) $(HANGULIN_SRC) $(MZSCH_SRC) $(XDIFF_SRC) -OBJ = arabic.obj autocmd.obj beval.obj blob.obj blowfish.obj buffer.obj charset.obj crypt.obj crypt_zip.obj dict.obj diff.obj digraph.obj \ - edit.obj eval.obj evalfunc.obj ex_cmds.obj ex_cmds2.obj ex_docmd.obj ex_eval.obj ex_getln.obj if_cscope.obj \ - if_xcmdsrv.obj farsi.obj fileio.obj fold.obj getchar.obj hardcopy.obj hashtab.obj indent.obj json.obj list.obj main.obj mark.obj \ - menu.obj memfile.obj memline.obj message.obj misc1.obj misc2.obj \ - move.obj mbyte.obj normal.obj ops.obj option.obj popupmnu.obj quickfix.obj \ - regexp.obj search.obj sha256.obj sign.obj spell.obj spellfile.obj syntax.obj tag.obj term.obj termlib.obj textprop.obj \ - ui.obj undo.obj userfunc.obj screen.obj version.obj window.obj os_unix.obj \ - os_vms.obj pathdef.obj if_mzsch.obj\ +OBJ = arabic.obj autocmd.obj beval.obj blob.obj blowfish.obj buffer.obj \ + charset.obj crypt.obj crypt_zip.obj dict.obj diff.obj digraph.obj \ + edit.obj eval.obj evalfunc.obj ex_cmds.obj ex_cmds2.obj ex_docmd.obj \ + ex_eval.obj ex_getln.obj if_cscope.obj if_xcmdsrv.obj farsi.obj \ + fileio.obj findfile.obj fold.obj getchar.obj hardcopy.obj hashtab.obj \ + indent.obj json.obj list.obj main.obj mark.obj menu.obj memfile.obj \ + memline.obj message.obj misc1.obj misc2.obj move.obj mbyte.obj \ + normal.obj ops.obj option.obj popupmnu.obj quickfix.obj regexp.obj \ + search.obj sha256.obj sign.obj spell.obj spellfile.obj syntax.obj \ + tag.obj term.obj termlib.obj textprop.obj ui.obj undo.obj \ + userfunc.obj screen.obj version.obj window.obj os_unix.obj os_vms.obj \ + pathdef.obj if_mzsch.obj \ $(GUI_OBJ) $(PERL_OBJ) $(PYTHON_OBJ) $(TCL_OBJ) \ $(RUBY_OBJ) $(HANGULIN_OBJ) $(MZSCH_OBJ) $(XDIFF_OBJ) @@ -568,6 +576,10 @@ fileio.obj : fileio.c vim.h [.auto]confi ascii.h keymap.h term.h macros.h structs.h regexp.h \ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ globals.h farsi.h arabic.h +findfile.obj : findfile.c vim.h [.auto]config.h feature.h os_unix.h \ + ascii.h keymap.h term.h macros.h structs.h regexp.h \ + gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ + globals.h farsi.h arabic.h fold.obj : fold.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \ [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h farsi.h \
--- a/src/Makefile +++ b/src/Makefile @@ -1592,6 +1592,7 @@ BASIC_SRC = \ ex_getln.c \ farsi.c \ fileio.c \ + findfile.c \ fold.c \ getchar.c \ hardcopy.c \ @@ -1705,6 +1706,7 @@ OBJ_COMMON = \ objects/ex_getln.o \ objects/farsi.o \ objects/fileio.o \ + objects/findfile.o \ objects/fold.o \ objects/getchar.o \ objects/hardcopy.o \ @@ -1831,6 +1833,7 @@ PRO_AUTO = \ ex_getln.pro \ farsi.pro \ fileio.pro \ + findfile.pro \ fold.pro \ getchar.pro \ hardcopy.pro \ @@ -2999,6 +3002,9 @@ objects/farsi.o: farsi.c objects/fileio.o: fileio.c $(CCC) -o $@ fileio.c +objects/findfile.o: findfile.c + $(CCC) -o $@ findfile.c + objects/fold.o: fold.c $(CCC) -o $@ fold.c @@ -3471,6 +3477,11 @@ objects/fileio.o: fileio.c vim.h protode auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ proto.h globals.h farsi.h arabic.h +objects/findfile.o: findfile.c vim.h protodef.h auto/config.h feature.h \ + os_unix.h auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ + proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ + proto.h globals.h farsi.h arabic.h libvterm/include/vterm.h \ + libvterm/include/vterm_keycodes.h objects/fold.o: fold.c vim.h protodef.h auto/config.h feature.h os_unix.h \ auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
--- a/src/README.txt +++ b/src/README.txt @@ -22,8 +22,10 @@ Most code can be found in a file with an diff.c diff mode (vimdiff) eval.c expression evaluation fileio.c reading and writing files + findfile.c search for files in 'path' fold.c folding getchar.c getting characters and key mapping + indent.c C and Lisp indentation mark.c marks mbyte.c multi-byte character handling memfile.c storing lines for buffers in a swapfile
new file mode 100644 --- /dev/null +++ b/src/findfile.c @@ -0,0 +1,2607 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * findfile.c: Search for files in directories listed in 'path' + */ + +#include "vim.h" + +/* + * File searching functions for 'path', 'tags' and 'cdpath' options. + * External visible functions: + * vim_findfile_init() creates/initialises the search context + * vim_findfile_free_visited() free list of visited files/dirs of search + * context + * vim_findfile() find a file in the search context + * vim_findfile_cleanup() cleanup/free search context created by + * vim_findfile_init() + * + * All static functions and variables start with 'ff_' + * + * In general it works like this: + * First you create yourself a search context by calling vim_findfile_init(). + * It is possible to give a search context from a previous call to + * vim_findfile_init(), so it can be reused. After this you call vim_findfile() + * until you are satisfied with the result or it returns NULL. On every call it + * returns the next file which matches the conditions given to + * vim_findfile_init(). If it doesn't find a next file it returns NULL. + * + * It is possible to call vim_findfile_init() again to reinitialise your search + * with some new parameters. Don't forget to pass your old search context to + * it, so it can reuse it and especially reuse the list of already visited + * directories. If you want to delete the list of already visited directories + * simply call vim_findfile_free_visited(). + * + * When you are done call vim_findfile_cleanup() to free the search context. + * + * The function vim_findfile_init() has a long comment, which describes the + * needed parameters. + * + * + * + * ATTENTION: + * ========== + * Also we use an allocated search context here, this functions are NOT + * thread-safe!!!!! + * + * To minimize parameter passing (or because I'm to lazy), only the + * external visible functions get a search context as a parameter. This is + * then assigned to a static global, which is used throughout the local + * functions. + */ + +/* + * type for the directory search stack + */ +typedef struct ff_stack +{ + struct ff_stack *ffs_prev; + + // the fix part (no wildcards) and the part containing the wildcards + // of the search path + char_u *ffs_fix_path; +#ifdef FEAT_PATH_EXTRA + char_u *ffs_wc_path; +#endif + + // files/dirs found in the above directory, matched by the first wildcard + // of wc_part + char_u **ffs_filearray; + int ffs_filearray_size; + char_u ffs_filearray_cur; // needed for partly handled dirs + + // to store status of partly handled directories + // 0: we work on this directory for the first time + // 1: this directory was partly searched in an earlier step + int ffs_stage; + + // How deep are we in the directory tree? + // Counts backward from value of level parameter to vim_findfile_init + int ffs_level; + + // Did we already expand '**' to an empty string? + int ffs_star_star_empty; +} ff_stack_T; + +/* + * type for already visited directories or files. + */ +typedef struct ff_visited +{ + struct ff_visited *ffv_next; + +#ifdef FEAT_PATH_EXTRA + // Visited directories are different if the wildcard string are + // different. So we have to save it. + char_u *ffv_wc_path; +#endif + // for unix use inode etc for comparison (needed because of links), else + // use filename. +#ifdef UNIX + int ffv_dev_valid; // ffv_dev and ffv_ino were set + dev_t ffv_dev; // device number + ino_t ffv_ino; // inode number +#endif + // The memory for this struct is allocated according to the length of + // ffv_fname. + char_u ffv_fname[1]; // actually longer +} ff_visited_T; + +/* + * We might have to manage several visited lists during a search. + * This is especially needed for the tags option. If tags is set to: + * "./++/tags,./++/TAGS,++/tags" (replace + with *) + * So we have to do 3 searches: + * 1) search from the current files directory downward for the file "tags" + * 2) search from the current files directory downward for the file "TAGS" + * 3) search from Vims current directory downwards for the file "tags" + * As you can see, the first and the third search are for the same file, so for + * the third search we can use the visited list of the first search. For the + * second search we must start from a empty visited list. + * The struct ff_visited_list_hdr is used to manage a linked list of already + * visited lists. + */ +typedef struct ff_visited_list_hdr +{ + struct ff_visited_list_hdr *ffvl_next; + + // the filename the attached visited list is for + char_u *ffvl_filename; + + ff_visited_T *ffvl_visited_list; + +} ff_visited_list_hdr_T; + + +/* + * '**' can be expanded to several directory levels. + * Set the default maximum depth. + */ +#define FF_MAX_STAR_STAR_EXPAND ((char_u)30) + +/* + * The search context: + * ffsc_stack_ptr: the stack for the dirs to search + * ffsc_visited_list: the currently active visited list + * ffsc_dir_visited_list: the currently active visited list for search dirs + * ffsc_visited_lists_list: the list of all visited lists + * ffsc_dir_visited_lists_list: the list of all visited lists for search dirs + * ffsc_file_to_search: the file to search for + * ffsc_start_dir: the starting directory, if search path was relative + * ffsc_fix_path: the fix part of the given path (without wildcards) + * Needed for upward search. + * ffsc_wc_path: the part of the given path containing wildcards + * ffsc_level: how many levels of dirs to search downwards + * ffsc_stopdirs_v: array of stop directories for upward search + * ffsc_find_what: FINDFILE_BOTH, FINDFILE_DIR or FINDFILE_FILE + * ffsc_tagfile: searching for tags file, don't use 'suffixesadd' + */ +typedef struct ff_search_ctx_T +{ + ff_stack_T *ffsc_stack_ptr; + ff_visited_list_hdr_T *ffsc_visited_list; + ff_visited_list_hdr_T *ffsc_dir_visited_list; + ff_visited_list_hdr_T *ffsc_visited_lists_list; + ff_visited_list_hdr_T *ffsc_dir_visited_lists_list; + char_u *ffsc_file_to_search; + char_u *ffsc_start_dir; + char_u *ffsc_fix_path; +#ifdef FEAT_PATH_EXTRA + char_u *ffsc_wc_path; + int ffsc_level; + char_u **ffsc_stopdirs_v; +#endif + int ffsc_find_what; + int ffsc_tagfile; +} ff_search_ctx_T; + +// locally needed functions +#ifdef FEAT_PATH_EXTRA +static int ff_check_visited(ff_visited_T **, char_u *, char_u *); +#else +static int ff_check_visited(ff_visited_T **, char_u *); +#endif +static void vim_findfile_free_visited_list(ff_visited_list_hdr_T **list_headp); +static void ff_free_visited_list(ff_visited_T *vl); +static ff_visited_list_hdr_T* ff_get_visited_list(char_u *, ff_visited_list_hdr_T **list_headp); + +static void ff_push(ff_search_ctx_T *search_ctx, ff_stack_T *stack_ptr); +static ff_stack_T *ff_pop(ff_search_ctx_T *search_ctx); +static void ff_clear(ff_search_ctx_T *search_ctx); +static void ff_free_stack_element(ff_stack_T *stack_ptr); +#ifdef FEAT_PATH_EXTRA +static ff_stack_T *ff_create_stack_element(char_u *, char_u *, int, int); +#else +static ff_stack_T *ff_create_stack_element(char_u *, int, int); +#endif +#ifdef FEAT_PATH_EXTRA +static int ff_path_in_stoplist(char_u *, int, char_u **); +#endif + +static char_u e_pathtoolong[] = N_("E854: path too long for completion"); + +static char_u *ff_expand_buffer = NULL; // used for expanding filenames + +#if 0 +/* + * if someone likes findfirst/findnext, here are the functions + * NOT TESTED!! + */ + +static void *ff_fn_search_context = NULL; + + char_u * +vim_findfirst(char_u *path, char_u *filename, int level) +{ + ff_fn_search_context = + vim_findfile_init(path, filename, NULL, level, TRUE, FALSE, + ff_fn_search_context, rel_fname); + if (NULL == ff_fn_search_context) + return NULL; + else + return vim_findnext() +} + + char_u * +vim_findnext(void) +{ + char_u *ret = vim_findfile(ff_fn_search_context); + + if (NULL == ret) + { + vim_findfile_cleanup(ff_fn_search_context); + ff_fn_search_context = NULL; + } + return ret; +} +#endif + +/* + * Initialization routine for vim_findfile(). + * + * Returns the newly allocated search context or NULL if an error occurred. + * + * Don't forget to clean up by calling vim_findfile_cleanup() if you are done + * with the search context. + * + * Find the file 'filename' in the directory 'path'. + * The parameter 'path' may contain wildcards. If so only search 'level' + * directories deep. The parameter 'level' is the absolute maximum and is + * not related to restricts given to the '**' wildcard. If 'level' is 100 + * and you use '**200' vim_findfile() will stop after 100 levels. + * + * 'filename' cannot contain wildcards! It is used as-is, no backslashes to + * escape special characters. + * + * If 'stopdirs' is not NULL and nothing is found downward, the search is + * restarted on the next higher directory level. This is repeated until the + * start-directory of a search is contained in 'stopdirs'. 'stopdirs' has the + * format ";*<dirname>*\(;<dirname>\)*;\=$". + * + * If the 'path' is relative, the starting dir for the search is either VIM's + * current dir or if the path starts with "./" the current files dir. + * If the 'path' is absolute, the starting dir is that part of the path before + * the first wildcard. + * + * Upward search is only done on the starting dir. + * + * If 'free_visited' is TRUE the list of already visited files/directories is + * cleared. Set this to FALSE if you just want to search from another + * directory, but want to be sure that no directory from a previous search is + * searched again. This is useful if you search for a file at different places. + * The list of visited files/dirs can also be cleared with the function + * vim_findfile_free_visited(). + * + * Set the parameter 'find_what' to FINDFILE_DIR if you want to search for + * directories only, FINDFILE_FILE for files only, FINDFILE_BOTH for both. + * + * A search context returned by a previous call to vim_findfile_init() can be + * passed in the parameter "search_ctx_arg". This context is reused and + * reinitialized with the new parameters. The list of already visited + * directories from this context is only deleted if the parameter + * "free_visited" is true. Be aware that the passed "search_ctx_arg" is freed + * if the reinitialization fails. + * + * If you don't have a search context from a previous call "search_ctx_arg" + * must be NULL. + * + * This function silently ignores a few errors, vim_findfile() will have + * limited functionality then. + */ + void * +vim_findfile_init( + char_u *path, + char_u *filename, + char_u *stopdirs UNUSED, + int level, + int free_visited, + int find_what, + void *search_ctx_arg, + int tagfile, // expanding names of tags files + char_u *rel_fname) // file name to use for "." +{ +#ifdef FEAT_PATH_EXTRA + char_u *wc_part; +#endif + ff_stack_T *sptr; + ff_search_ctx_T *search_ctx; + + // If a search context is given by the caller, reuse it, else allocate a + // new one. + if (search_ctx_arg != NULL) + search_ctx = search_ctx_arg; + else + { + search_ctx = (ff_search_ctx_T*)alloc((unsigned)sizeof(ff_search_ctx_T)); + if (search_ctx == NULL) + goto error_return; + vim_memset(search_ctx, 0, sizeof(ff_search_ctx_T)); + } + search_ctx->ffsc_find_what = find_what; + search_ctx->ffsc_tagfile = tagfile; + + // clear the search context, but NOT the visited lists + ff_clear(search_ctx); + + // clear visited list if wanted + if (free_visited == TRUE) + vim_findfile_free_visited(search_ctx); + else + { + // Reuse old visited lists. Get the visited list for the given + // filename. If no list for the current filename exists, creates a new + // one. + search_ctx->ffsc_visited_list = ff_get_visited_list(filename, + &search_ctx->ffsc_visited_lists_list); + if (search_ctx->ffsc_visited_list == NULL) + goto error_return; + search_ctx->ffsc_dir_visited_list = ff_get_visited_list(filename, + &search_ctx->ffsc_dir_visited_lists_list); + if (search_ctx->ffsc_dir_visited_list == NULL) + goto error_return; + } + + if (ff_expand_buffer == NULL) + { + ff_expand_buffer = (char_u*)alloc(MAXPATHL); + if (ff_expand_buffer == NULL) + goto error_return; + } + + // Store information on starting dir now if path is relative. + // If path is absolute, we do that later. + if (path[0] == '.' + && (vim_ispathsep(path[1]) || path[1] == NUL) + && (!tagfile || vim_strchr(p_cpo, CPO_DOTTAG) == NULL) + && rel_fname != NULL) + { + int len = (int)(gettail(rel_fname) - rel_fname); + + if (!vim_isAbsName(rel_fname) && len + 1 < MAXPATHL) + { + // Make the start dir an absolute path name. + vim_strncpy(ff_expand_buffer, rel_fname, len); + search_ctx->ffsc_start_dir = FullName_save(ff_expand_buffer, FALSE); + } + else + search_ctx->ffsc_start_dir = vim_strnsave(rel_fname, len); + if (search_ctx->ffsc_start_dir == NULL) + goto error_return; + if (*++path != NUL) + ++path; + } + else if (*path == NUL || !vim_isAbsName(path)) + { +#ifdef BACKSLASH_IN_FILENAME + // "c:dir" needs "c:" to be expanded, otherwise use current dir + if (*path != NUL && path[1] == ':') + { + char_u drive[3]; + + drive[0] = path[0]; + drive[1] = ':'; + drive[2] = NUL; + if (vim_FullName(drive, ff_expand_buffer, MAXPATHL, TRUE) == FAIL) + goto error_return; + path += 2; + } + else +#endif + if (mch_dirname(ff_expand_buffer, MAXPATHL) == FAIL) + goto error_return; + + search_ctx->ffsc_start_dir = vim_strsave(ff_expand_buffer); + if (search_ctx->ffsc_start_dir == NULL) + goto error_return; + +#ifdef BACKSLASH_IN_FILENAME + // A path that starts with "/dir" is relative to the drive, not to the + // directory (but not for "//machine/dir"). Only use the drive name. + if ((*path == '/' || *path == '\\') + && path[1] != path[0] + && search_ctx->ffsc_start_dir[1] == ':') + search_ctx->ffsc_start_dir[2] = NUL; +#endif + } + +#ifdef FEAT_PATH_EXTRA + /* + * If stopdirs are given, split them into an array of pointers. + * If this fails (mem allocation), there is no upward search at all or a + * stop directory is not recognized -> continue silently. + * If stopdirs just contains a ";" or is empty, + * search_ctx->ffsc_stopdirs_v will only contain a NULL pointer. This + * is handled as unlimited upward search. See function + * ff_path_in_stoplist() for details. + */ + if (stopdirs != NULL) + { + char_u *walker = stopdirs; + int dircount; + + while (*walker == ';') + walker++; + + dircount = 1; + search_ctx->ffsc_stopdirs_v = + (char_u **)alloc((unsigned)sizeof(char_u *)); + + if (search_ctx->ffsc_stopdirs_v != NULL) + { + do + { + char_u *helper; + void *ptr; + + helper = walker; + ptr = vim_realloc(search_ctx->ffsc_stopdirs_v, + (dircount + 1) * sizeof(char_u *)); + if (ptr) + search_ctx->ffsc_stopdirs_v = ptr; + else + // ignore, keep what we have and continue + break; + walker = vim_strchr(walker, ';'); + if (walker) + { + search_ctx->ffsc_stopdirs_v[dircount-1] = + vim_strnsave(helper, (int)(walker - helper)); + walker++; + } + else + // this might be "", which means ascent till top + // of directory tree. + search_ctx->ffsc_stopdirs_v[dircount-1] = + vim_strsave(helper); + + dircount++; + + } while (walker != NULL); + search_ctx->ffsc_stopdirs_v[dircount-1] = NULL; + } + } +#endif + +#ifdef FEAT_PATH_EXTRA + search_ctx->ffsc_level = level; + + /* + * split into: + * -fix path + * -wildcard_stuff (might be NULL) + */ + wc_part = vim_strchr(path, '*'); + if (wc_part != NULL) + { + int llevel; + int len; + char *errpt; + + // save the fix part of the path + search_ctx->ffsc_fix_path = vim_strnsave(path, (int)(wc_part - path)); + + /* + * copy wc_path and add restricts to the '**' wildcard. + * The octet after a '**' is used as a (binary) counter. + * So '**3' is transposed to '**^C' ('^C' is ASCII value 3) + * or '**76' is transposed to '**N'( 'N' is ASCII value 76). + * For EBCDIC you get different character values. + * If no restrict is given after '**' the default is used. + * Due to this technique the path looks awful if you print it as a + * string. + */ + len = 0; + while (*wc_part != NUL) + { + if (len + 5 >= MAXPATHL) + { + emsg(_(e_pathtoolong)); + break; + } + if (STRNCMP(wc_part, "**", 2) == 0) + { + ff_expand_buffer[len++] = *wc_part++; + ff_expand_buffer[len++] = *wc_part++; + + llevel = strtol((char *)wc_part, &errpt, 10); + if ((char_u *)errpt != wc_part && llevel > 0 && llevel < 255) + ff_expand_buffer[len++] = llevel; + else if ((char_u *)errpt != wc_part && llevel == 0) + // restrict is 0 -> remove already added '**' + len -= 2; + else + ff_expand_buffer[len++] = FF_MAX_STAR_STAR_EXPAND; + wc_part = (char_u *)errpt; + if (*wc_part != NUL && !vim_ispathsep(*wc_part)) + { + semsg(_("E343: Invalid path: '**[number]' must be at the end of the path or be followed by '%s'."), PATHSEPSTR); + goto error_return; + } + } + else + ff_expand_buffer[len++] = *wc_part++; + } + ff_expand_buffer[len] = NUL; + search_ctx->ffsc_wc_path = vim_strsave(ff_expand_buffer); + + if (search_ctx->ffsc_wc_path == NULL) + goto error_return; + } + else +#endif + search_ctx->ffsc_fix_path = vim_strsave(path); + + if (search_ctx->ffsc_start_dir == NULL) + { + // store the fix part as startdir. + // This is needed if the parameter path is fully qualified. + search_ctx->ffsc_start_dir = vim_strsave(search_ctx->ffsc_fix_path); + if (search_ctx->ffsc_start_dir == NULL) + goto error_return; + search_ctx->ffsc_fix_path[0] = NUL; + } + + // create an absolute path + if (STRLEN(search_ctx->ffsc_start_dir) + + STRLEN(search_ctx->ffsc_fix_path) + 3 >= MAXPATHL) + { + emsg(_(e_pathtoolong)); + goto error_return; + } + STRCPY(ff_expand_buffer, search_ctx->ffsc_start_dir); + add_pathsep(ff_expand_buffer); + { + int eb_len = (int)STRLEN(ff_expand_buffer); + char_u *buf = alloc(eb_len + + (int)STRLEN(search_ctx->ffsc_fix_path) + 1); + + STRCPY(buf, ff_expand_buffer); + STRCPY(buf + eb_len, search_ctx->ffsc_fix_path); + if (mch_isdir(buf)) + { + STRCAT(ff_expand_buffer, search_ctx->ffsc_fix_path); + add_pathsep(ff_expand_buffer); + } +#ifdef FEAT_PATH_EXTRA + else + { + char_u *p = gettail(search_ctx->ffsc_fix_path); + char_u *wc_path = NULL; + char_u *temp = NULL; + int len = 0; + + if (p > search_ctx->ffsc_fix_path) + { + len = (int)(p - search_ctx->ffsc_fix_path) - 1; + STRNCAT(ff_expand_buffer, search_ctx->ffsc_fix_path, len); + add_pathsep(ff_expand_buffer); + } + else + len = (int)STRLEN(search_ctx->ffsc_fix_path); + + if (search_ctx->ffsc_wc_path != NULL) + { + wc_path = vim_strsave(search_ctx->ffsc_wc_path); + temp = alloc((int)(STRLEN(search_ctx->ffsc_wc_path) + + STRLEN(search_ctx->ffsc_fix_path + len) + + 1)); + if (temp == NULL || wc_path == NULL) + { + vim_free(buf); + vim_free(temp); + vim_free(wc_path); + goto error_return; + } + + STRCPY(temp, search_ctx->ffsc_fix_path + len); + STRCAT(temp, search_ctx->ffsc_wc_path); + vim_free(search_ctx->ffsc_wc_path); + vim_free(wc_path); + search_ctx->ffsc_wc_path = temp; + } + } +#endif + vim_free(buf); + } + + sptr = ff_create_stack_element(ff_expand_buffer, +#ifdef FEAT_PATH_EXTRA + search_ctx->ffsc_wc_path, +#endif + level, 0); + + if (sptr == NULL) + goto error_return; + + ff_push(search_ctx, sptr); + + search_ctx->ffsc_file_to_search = vim_strsave(filename); + if (search_ctx->ffsc_file_to_search == NULL) + goto error_return; + + return search_ctx; + +error_return: + /* + * We clear the search context now! + * Even when the caller gave us a (perhaps valid) context we free it here, + * as we might have already destroyed it. + */ + vim_findfile_cleanup(search_ctx); + return NULL; +} + +#if defined(FEAT_PATH_EXTRA) || defined(PROTO) +/* + * Get the stopdir string. Check that ';' is not escaped. + */ + char_u * +vim_findfile_stopdir(char_u *buf) +{ + char_u *r_ptr = buf; + + while (*r_ptr != NUL && *r_ptr != ';') + { + if (r_ptr[0] == '\\' && r_ptr[1] == ';') + { + // Overwrite the escape char, + // use STRLEN(r_ptr) to move the trailing '\0'. + STRMOVE(r_ptr, r_ptr + 1); + r_ptr++; + } + r_ptr++; + } + if (*r_ptr == ';') + { + *r_ptr = 0; + r_ptr++; + } + else if (*r_ptr == NUL) + r_ptr = NULL; + return r_ptr; +} +#endif + +/* + * Clean up the given search context. Can handle a NULL pointer. + */ + void +vim_findfile_cleanup(void *ctx) +{ + if (ctx == NULL) + return; + + vim_findfile_free_visited(ctx); + ff_clear(ctx); + vim_free(ctx); +} + +/* + * Find a file in a search context. + * The search context was created with vim_findfile_init() above. + * Return a pointer to an allocated file name or NULL if nothing found. + * To get all matching files call this function until you get NULL. + * + * If the passed search_context is NULL, NULL is returned. + * + * The search algorithm is depth first. To change this replace the + * stack with a list (don't forget to leave partly searched directories on the + * top of the list). + */ + char_u * +vim_findfile(void *search_ctx_arg) +{ + char_u *file_path; +#ifdef FEAT_PATH_EXTRA + char_u *rest_of_wildcards; + char_u *path_end = NULL; +#endif + ff_stack_T *stackp; +#if defined(FEAT_SEARCHPATH) || defined(FEAT_PATH_EXTRA) + int len; +#endif + int i; + char_u *p; +#ifdef FEAT_SEARCHPATH + char_u *suf; +#endif + ff_search_ctx_T *search_ctx; + + if (search_ctx_arg == NULL) + return NULL; + + search_ctx = (ff_search_ctx_T *)search_ctx_arg; + + /* + * filepath is used as buffer for various actions and as the storage to + * return a found filename. + */ + if ((file_path = alloc((int)MAXPATHL)) == NULL) + return NULL; + +#ifdef FEAT_PATH_EXTRA + // store the end of the start dir -- needed for upward search + if (search_ctx->ffsc_start_dir != NULL) + path_end = &search_ctx->ffsc_start_dir[ + STRLEN(search_ctx->ffsc_start_dir)]; +#endif + +#ifdef FEAT_PATH_EXTRA + // upward search loop + for (;;) + { +#endif + // downward search loop + for (;;) + { + // check if user user wants to stop the search + ui_breakcheck(); + if (got_int) + break; + + // get directory to work on from stack + stackp = ff_pop(search_ctx); + if (stackp == NULL) + break; + + /* + * TODO: decide if we leave this test in + * + * GOOD: don't search a directory(-tree) twice. + * BAD: - check linked list for every new directory entered. + * - check for double files also done below + * + * Here we check if we already searched this directory. + * We already searched a directory if: + * 1) The directory is the same. + * 2) We would use the same wildcard string. + * + * Good if you have links on same directory via several ways + * or you have selfreferences in directories (e.g. SuSE Linux 6.3: + * /etc/rc.d/init.d is linked to /etc/rc.d -> endless loop) + * + * This check is only needed for directories we work on for the + * first time (hence stackp->ff_filearray == NULL) + */ + if (stackp->ffs_filearray == NULL + && ff_check_visited(&search_ctx->ffsc_dir_visited_list + ->ffvl_visited_list, + stackp->ffs_fix_path +#ifdef FEAT_PATH_EXTRA + , stackp->ffs_wc_path +#endif + ) == FAIL) + { +#ifdef FF_VERBOSE + if (p_verbose >= 5) + { + verbose_enter_scroll(); + smsg("Already Searched: %s (%s)", + stackp->ffs_fix_path, stackp->ffs_wc_path); + // don't overwrite this either + msg_puts("\n"); + verbose_leave_scroll(); + } +#endif + ff_free_stack_element(stackp); + continue; + } +#ifdef FF_VERBOSE + else if (p_verbose >= 5) + { + verbose_enter_scroll(); + smsg("Searching: %s (%s)", + stackp->ffs_fix_path, stackp->ffs_wc_path); + // don't overwrite this either + msg_puts("\n"); + verbose_leave_scroll(); + } +#endif + + // check depth + if (stackp->ffs_level <= 0) + { + ff_free_stack_element(stackp); + continue; + } + + file_path[0] = NUL; + + /* + * If no filearray till now expand wildcards + * The function expand_wildcards() can handle an array of paths + * and all possible expands are returned in one array. We use this + * to handle the expansion of '**' into an empty string. + */ + if (stackp->ffs_filearray == NULL) + { + char_u *dirptrs[2]; + + // we use filepath to build the path expand_wildcards() should + // expand. + dirptrs[0] = file_path; + dirptrs[1] = NULL; + + // if we have a start dir copy it in + if (!vim_isAbsName(stackp->ffs_fix_path) + && search_ctx->ffsc_start_dir) + { + if (STRLEN(search_ctx->ffsc_start_dir) + 1 < MAXPATHL) + { + STRCPY(file_path, search_ctx->ffsc_start_dir); + add_pathsep(file_path); + } + else + { + ff_free_stack_element(stackp); + goto fail; + } + } + + // append the fix part of the search path + if (STRLEN(file_path) + STRLEN(stackp->ffs_fix_path) + 1 + < MAXPATHL) + { + STRCAT(file_path, stackp->ffs_fix_path); + add_pathsep(file_path); + } + else + { + ff_free_stack_element(stackp); + goto fail; + } + +#ifdef FEAT_PATH_EXTRA + rest_of_wildcards = stackp->ffs_wc_path; + if (*rest_of_wildcards != NUL) + { + len = (int)STRLEN(file_path); + if (STRNCMP(rest_of_wildcards, "**", 2) == 0) + { + // pointer to the restrict byte + // The restrict byte is not a character! + p = rest_of_wildcards + 2; + + if (*p > 0) + { + (*p)--; + if (len + 1 < MAXPATHL) + file_path[len++] = '*'; + else + { + ff_free_stack_element(stackp); + goto fail; + } + } + + if (*p == 0) + { + // remove '**<numb> from wildcards + STRMOVE(rest_of_wildcards, rest_of_wildcards + 3); + } + else + rest_of_wildcards += 3; + + if (stackp->ffs_star_star_empty == 0) + { + // if not done before, expand '**' to empty + stackp->ffs_star_star_empty = 1; + dirptrs[1] = stackp->ffs_fix_path; + } + } + + /* + * Here we copy until the next path separator or the end of + * the path. If we stop at a path separator, there is + * still something else left. This is handled below by + * pushing every directory returned from expand_wildcards() + * on the stack again for further search. + */ + while (*rest_of_wildcards + && !vim_ispathsep(*rest_of_wildcards)) + if (len + 1 < MAXPATHL) + file_path[len++] = *rest_of_wildcards++; + else + { + ff_free_stack_element(stackp); + goto fail; + } + + file_path[len] = NUL; + if (vim_ispathsep(*rest_of_wildcards)) + rest_of_wildcards++; + } +#endif + + /* + * Expand wildcards like "*" and "$VAR". + * If the path is a URL don't try this. + */ + if (path_with_url(dirptrs[0])) + { + stackp->ffs_filearray = (char_u **) + alloc((unsigned)sizeof(char *)); + if (stackp->ffs_filearray != NULL + && (stackp->ffs_filearray[0] + = vim_strsave(dirptrs[0])) != NULL) + stackp->ffs_filearray_size = 1; + else + stackp->ffs_filearray_size = 0; + } + else + // Add EW_NOTWILD because the expanded path may contain + // wildcard characters that are to be taken literally. + // This is a bit of a hack. + expand_wildcards((dirptrs[1] == NULL) ? 1 : 2, dirptrs, + &stackp->ffs_filearray_size, + &stackp->ffs_filearray, + EW_DIR|EW_ADDSLASH|EW_SILENT|EW_NOTWILD); + + stackp->ffs_filearray_cur = 0; + stackp->ffs_stage = 0; + } +#ifdef FEAT_PATH_EXTRA + else + rest_of_wildcards = &stackp->ffs_wc_path[ + STRLEN(stackp->ffs_wc_path)]; +#endif + + if (stackp->ffs_stage == 0) + { + // this is the first time we work on this directory +#ifdef FEAT_PATH_EXTRA + if (*rest_of_wildcards == NUL) +#endif + { + /* + * We don't have further wildcards to expand, so we have to + * check for the final file now. + */ + for (i = stackp->ffs_filearray_cur; + i < stackp->ffs_filearray_size; ++i) + { + if (!path_with_url(stackp->ffs_filearray[i]) + && !mch_isdir(stackp->ffs_filearray[i])) + continue; /* not a directory */ + + // prepare the filename to be checked for existence + // below + if (STRLEN(stackp->ffs_filearray[i]) + 1 + + STRLEN(search_ctx->ffsc_file_to_search) + < MAXPATHL) + { + STRCPY(file_path, stackp->ffs_filearray[i]); + add_pathsep(file_path); + STRCAT(file_path, search_ctx->ffsc_file_to_search); + } + else + { + ff_free_stack_element(stackp); + goto fail; + } + + /* + * Try without extra suffix and then with suffixes + * from 'suffixesadd'. + */ +#ifdef FEAT_SEARCHPATH + len = (int)STRLEN(file_path); + if (search_ctx->ffsc_tagfile) + suf = (char_u *)""; + else + suf = curbuf->b_p_sua; + for (;;) +#endif + { + // if file exists and we didn't already find it + if ((path_with_url(file_path) + || (mch_getperm(file_path) >= 0 + && (search_ctx->ffsc_find_what + == FINDFILE_BOTH + || ((search_ctx->ffsc_find_what + == FINDFILE_DIR) + == mch_isdir(file_path))))) +#ifndef FF_VERBOSE + && (ff_check_visited( + &search_ctx->ffsc_visited_list->ffvl_visited_list, + file_path +#ifdef FEAT_PATH_EXTRA + , (char_u *)"" +#endif + ) == OK) +#endif + ) + { +#ifdef FF_VERBOSE + if (ff_check_visited( + &search_ctx->ffsc_visited_list->ffvl_visited_list, + file_path +#ifdef FEAT_PATH_EXTRA + , (char_u *)"" +#endif + ) == FAIL) + { + if (p_verbose >= 5) + { + verbose_enter_scroll(); + smsg("Already: %s", + file_path); + // don't overwrite this either + msg_puts("\n"); + verbose_leave_scroll(); + } + continue; + } +#endif + + // push dir to examine rest of subdirs later + stackp->ffs_filearray_cur = i + 1; + ff_push(search_ctx, stackp); + + if (!path_with_url(file_path)) + simplify_filename(file_path); + if (mch_dirname(ff_expand_buffer, MAXPATHL) + == OK) + { + p = shorten_fname(file_path, + ff_expand_buffer); + if (p != NULL) + STRMOVE(file_path, p); + } +#ifdef FF_VERBOSE + if (p_verbose >= 5) + { + verbose_enter_scroll(); + smsg("HIT: %s", file_path); + // don't overwrite this either + msg_puts("\n"); + verbose_leave_scroll(); + } +#endif + return file_path; + } + +#ifdef FEAT_SEARCHPATH + // Not found or found already, try next suffix. + if (*suf == NUL) + break; + copy_option_part(&suf, file_path + len, + MAXPATHL - len, ","); +#endif + } + } + } +#ifdef FEAT_PATH_EXTRA + else + { + /* + * still wildcards left, push the directories for further + * search + */ + for (i = stackp->ffs_filearray_cur; + i < stackp->ffs_filearray_size; ++i) + { + if (!mch_isdir(stackp->ffs_filearray[i])) + continue; // not a directory + + ff_push(search_ctx, + ff_create_stack_element( + stackp->ffs_filearray[i], + rest_of_wildcards, + stackp->ffs_level - 1, 0)); + } + } +#endif + stackp->ffs_filearray_cur = 0; + stackp->ffs_stage = 1; + } + +#ifdef FEAT_PATH_EXTRA + /* + * if wildcards contains '**' we have to descent till we reach the + * leaves of the directory tree. + */ + if (STRNCMP(stackp->ffs_wc_path, "**", 2) == 0) + { + for (i = stackp->ffs_filearray_cur; + i < stackp->ffs_filearray_size; ++i) + { + if (fnamecmp(stackp->ffs_filearray[i], + stackp->ffs_fix_path) == 0) + continue; // don't repush same directory + if (!mch_isdir(stackp->ffs_filearray[i])) + continue; // not a directory + ff_push(search_ctx, + ff_create_stack_element(stackp->ffs_filearray[i], + stackp->ffs_wc_path, stackp->ffs_level - 1, 1)); + } + } +#endif + + // we are done with the current directory + ff_free_stack_element(stackp); + + } + +#ifdef FEAT_PATH_EXTRA + // If we reached this, we didn't find anything downwards. + // Let's check if we should do an upward search. + if (search_ctx->ffsc_start_dir + && search_ctx->ffsc_stopdirs_v != NULL && !got_int) + { + ff_stack_T *sptr; + + // is the last starting directory in the stop list? + if (ff_path_in_stoplist(search_ctx->ffsc_start_dir, + (int)(path_end - search_ctx->ffsc_start_dir), + search_ctx->ffsc_stopdirs_v) == TRUE) + break; + + // cut of last dir + while (path_end > search_ctx->ffsc_start_dir + && vim_ispathsep(*path_end)) + path_end--; + while (path_end > search_ctx->ffsc_start_dir + && !vim_ispathsep(path_end[-1])) + path_end--; + *path_end = 0; + path_end--; + + if (*search_ctx->ffsc_start_dir == 0) + break; + + if (STRLEN(search_ctx->ffsc_start_dir) + 1 + + STRLEN(search_ctx->ffsc_fix_path) < MAXPATHL) + { + STRCPY(file_path, search_ctx->ffsc_start_dir); + add_pathsep(file_path); + STRCAT(file_path, search_ctx->ffsc_fix_path); + } + else + goto fail; + + // create a new stack entry + sptr = ff_create_stack_element(file_path, + search_ctx->ffsc_wc_path, search_ctx->ffsc_level, 0); + if (sptr == NULL) + break; + ff_push(search_ctx, sptr); + } + else + break; + } +#endif + +fail: + vim_free(file_path); + return NULL; +} + +/* + * Free the list of lists of visited files and directories + * Can handle it if the passed search_context is NULL; + */ + void +vim_findfile_free_visited(void *search_ctx_arg) +{ + ff_search_ctx_T *search_ctx; + + if (search_ctx_arg == NULL) + return; + + search_ctx = (ff_search_ctx_T *)search_ctx_arg; + vim_findfile_free_visited_list(&search_ctx->ffsc_visited_lists_list); + vim_findfile_free_visited_list(&search_ctx->ffsc_dir_visited_lists_list); +} + + static void +vim_findfile_free_visited_list(ff_visited_list_hdr_T **list_headp) +{ + ff_visited_list_hdr_T *vp; + + while (*list_headp != NULL) + { + vp = (*list_headp)->ffvl_next; + ff_free_visited_list((*list_headp)->ffvl_visited_list); + + vim_free((*list_headp)->ffvl_filename); + vim_free(*list_headp); + *list_headp = vp; + } + *list_headp = NULL; +} + + static void +ff_free_visited_list(ff_visited_T *vl) +{ + ff_visited_T *vp; + + while (vl != NULL) + { + vp = vl->ffv_next; +#ifdef FEAT_PATH_EXTRA + vim_free(vl->ffv_wc_path); +#endif + vim_free(vl); + vl = vp; + } + vl = NULL; +} + +/* + * Returns the already visited list for the given filename. If none is found it + * allocates a new one. + */ + static ff_visited_list_hdr_T* +ff_get_visited_list( + char_u *filename, + ff_visited_list_hdr_T **list_headp) +{ + ff_visited_list_hdr_T *retptr = NULL; + + // check if a visited list for the given filename exists + if (*list_headp != NULL) + { + retptr = *list_headp; + while (retptr != NULL) + { + if (fnamecmp(filename, retptr->ffvl_filename) == 0) + { +#ifdef FF_VERBOSE + if (p_verbose >= 5) + { + verbose_enter_scroll(); + smsg("ff_get_visited_list: FOUND list for %s", + filename); + // don't overwrite this either + msg_puts("\n"); + verbose_leave_scroll(); + } +#endif + return retptr; + } + retptr = retptr->ffvl_next; + } + } + +#ifdef FF_VERBOSE + if (p_verbose >= 5) + { + verbose_enter_scroll(); + smsg("ff_get_visited_list: new list for %s", filename); + // don't overwrite this either + msg_puts("\n"); + verbose_leave_scroll(); + } +#endif + + /* + * if we reach this we didn't find a list and we have to allocate new list + */ + retptr = (ff_visited_list_hdr_T*)alloc((unsigned)sizeof(*retptr)); + if (retptr == NULL) + return NULL; + + retptr->ffvl_visited_list = NULL; + retptr->ffvl_filename = vim_strsave(filename); + if (retptr->ffvl_filename == NULL) + { + vim_free(retptr); + return NULL; + } + retptr->ffvl_next = *list_headp; + *list_headp = retptr; + + return retptr; +} + +#ifdef FEAT_PATH_EXTRA +/* + * check if two wildcard paths are equal. Returns TRUE or FALSE. + * They are equal if: + * - both paths are NULL + * - they have the same length + * - char by char comparison is OK + * - the only differences are in the counters behind a '**', so + * '**\20' is equal to '**\24' + */ + static int +ff_wc_equal(char_u *s1, char_u *s2) +{ + int i, j; + int c1 = NUL; + int c2 = NUL; + int prev1 = NUL; + int prev2 = NUL; + + if (s1 == s2) + return TRUE; + + if (s1 == NULL || s2 == NULL) + return FALSE; + + for (i = 0, j = 0; s1[i] != NUL && s2[j] != NUL;) + { + c1 = PTR2CHAR(s1 + i); + c2 = PTR2CHAR(s2 + j); + + if ((p_fic ? MB_TOLOWER(c1) != MB_TOLOWER(c2) : c1 != c2) + && (prev1 != '*' || prev2 != '*')) + return FALSE; + prev2 = prev1; + prev1 = c1; + + i += MB_PTR2LEN(s1 + i); + j += MB_PTR2LEN(s2 + j); + } + return s1[i] == s2[j]; +} +#endif + +/* + * maintains the list of already visited files and dirs + * returns FAIL if the given file/dir is already in the list + * returns OK if it is newly added + * + * TODO: What to do on memory allocation problems? + * -> return TRUE - Better the file is found several times instead of + * never. + */ + static int +ff_check_visited( + ff_visited_T **visited_list, + char_u *fname +#ifdef FEAT_PATH_EXTRA + , char_u *wc_path +#endif + ) +{ + ff_visited_T *vp; +#ifdef UNIX + stat_T st; + int url = FALSE; +#endif + + // For an URL we only compare the name, otherwise we compare the + // device/inode (unix) or the full path name (not Unix). + if (path_with_url(fname)) + { + vim_strncpy(ff_expand_buffer, fname, MAXPATHL - 1); +#ifdef UNIX + url = TRUE; +#endif + } + else + { + ff_expand_buffer[0] = NUL; +#ifdef UNIX + if (mch_stat((char *)fname, &st) < 0) +#else + if (vim_FullName(fname, ff_expand_buffer, MAXPATHL, TRUE) == FAIL) +#endif + return FAIL; + } + + // check against list of already visited files + for (vp = *visited_list; vp != NULL; vp = vp->ffv_next) + { + if ( +#ifdef UNIX + !url ? (vp->ffv_dev_valid && vp->ffv_dev == st.st_dev + && vp->ffv_ino == st.st_ino) + : +#endif + fnamecmp(vp->ffv_fname, ff_expand_buffer) == 0 + ) + { +#ifdef FEAT_PATH_EXTRA + // are the wildcard parts equal + if (ff_wc_equal(vp->ffv_wc_path, wc_path) == TRUE) +#endif + // already visited + return FAIL; + } + } + + /* + * New file/dir. Add it to the list of visited files/dirs. + */ + vp = (ff_visited_T *)alloc((unsigned)(sizeof(ff_visited_T) + + STRLEN(ff_expand_buffer))); + + if (vp != NULL) + { +#ifdef UNIX + if (!url) + { + vp->ffv_dev_valid = TRUE; + vp->ffv_ino = st.st_ino; + vp->ffv_dev = st.st_dev; + vp->ffv_fname[0] = NUL; + } + else + { + vp->ffv_dev_valid = FALSE; +#endif + STRCPY(vp->ffv_fname, ff_expand_buffer); +#ifdef UNIX + } +#endif +#ifdef FEAT_PATH_EXTRA + if (wc_path != NULL) + vp->ffv_wc_path = vim_strsave(wc_path); + else + vp->ffv_wc_path = NULL; +#endif + + vp->ffv_next = *visited_list; + *visited_list = vp; + } + + return OK; +} + +/* + * create stack element from given path pieces + */ + static ff_stack_T * +ff_create_stack_element( + char_u *fix_part, +#ifdef FEAT_PATH_EXTRA + char_u *wc_part, +#endif + int level, + int star_star_empty) +{ + ff_stack_T *new; + + new = (ff_stack_T *)alloc((unsigned)sizeof(ff_stack_T)); + if (new == NULL) + return NULL; + + new->ffs_prev = NULL; + new->ffs_filearray = NULL; + new->ffs_filearray_size = 0; + new->ffs_filearray_cur = 0; + new->ffs_stage = 0; + new->ffs_level = level; + new->ffs_star_star_empty = star_star_empty; + + // the following saves NULL pointer checks in vim_findfile + if (fix_part == NULL) + fix_part = (char_u *)""; + new->ffs_fix_path = vim_strsave(fix_part); + +#ifdef FEAT_PATH_EXTRA + if (wc_part == NULL) + wc_part = (char_u *)""; + new->ffs_wc_path = vim_strsave(wc_part); +#endif + + if (new->ffs_fix_path == NULL +#ifdef FEAT_PATH_EXTRA + || new->ffs_wc_path == NULL +#endif + ) + { + ff_free_stack_element(new); + new = NULL; + } + + return new; +} + +/* + * Push a dir on the directory stack. + */ + static void +ff_push(ff_search_ctx_T *search_ctx, ff_stack_T *stack_ptr) +{ + // check for NULL pointer, not to return an error to the user, but + // to prevent a crash + if (stack_ptr != NULL) + { + stack_ptr->ffs_prev = search_ctx->ffsc_stack_ptr; + search_ctx->ffsc_stack_ptr = stack_ptr; + } +} + +/* + * Pop a dir from the directory stack. + * Returns NULL if stack is empty. + */ + static ff_stack_T * +ff_pop(ff_search_ctx_T *search_ctx) +{ + ff_stack_T *sptr; + + sptr = search_ctx->ffsc_stack_ptr; + if (search_ctx->ffsc_stack_ptr != NULL) + search_ctx->ffsc_stack_ptr = search_ctx->ffsc_stack_ptr->ffs_prev; + + return sptr; +} + +/* + * free the given stack element + */ + static void +ff_free_stack_element(ff_stack_T *stack_ptr) +{ + // vim_free handles possible NULL pointers + vim_free(stack_ptr->ffs_fix_path); +#ifdef FEAT_PATH_EXTRA + vim_free(stack_ptr->ffs_wc_path); +#endif + + if (stack_ptr->ffs_filearray != NULL) + FreeWild(stack_ptr->ffs_filearray_size, stack_ptr->ffs_filearray); + + vim_free(stack_ptr); +} + +/* + * Clear the search context, but NOT the visited list. + */ + static void +ff_clear(ff_search_ctx_T *search_ctx) +{ + ff_stack_T *sptr; + + // clear up stack + while ((sptr = ff_pop(search_ctx)) != NULL) + ff_free_stack_element(sptr); + + vim_free(search_ctx->ffsc_file_to_search); + vim_free(search_ctx->ffsc_start_dir); + vim_free(search_ctx->ffsc_fix_path); +#ifdef FEAT_PATH_EXTRA + vim_free(search_ctx->ffsc_wc_path); +#endif + +#ifdef FEAT_PATH_EXTRA + if (search_ctx->ffsc_stopdirs_v != NULL) + { + int i = 0; + + while (search_ctx->ffsc_stopdirs_v[i] != NULL) + { + vim_free(search_ctx->ffsc_stopdirs_v[i]); + i++; + } + vim_free(search_ctx->ffsc_stopdirs_v); + } + search_ctx->ffsc_stopdirs_v = NULL; +#endif + + // reset everything + search_ctx->ffsc_file_to_search = NULL; + search_ctx->ffsc_start_dir = NULL; + search_ctx->ffsc_fix_path = NULL; +#ifdef FEAT_PATH_EXTRA + search_ctx->ffsc_wc_path = NULL; + search_ctx->ffsc_level = 0; +#endif +} + +#ifdef FEAT_PATH_EXTRA +/* + * check if the given path is in the stopdirs + * returns TRUE if yes else FALSE + */ + static int +ff_path_in_stoplist(char_u *path, int path_len, char_u **stopdirs_v) +{ + int i = 0; + + // eat up trailing path separators, except the first + while (path_len > 1 && vim_ispathsep(path[path_len - 1])) + path_len--; + + // if no path consider it as match + if (path_len == 0) + return TRUE; + + for (i = 0; stopdirs_v[i] != NULL; i++) + { + if ((int)STRLEN(stopdirs_v[i]) > path_len) + { + // match for parent directory. So '/home' also matches + // '/home/rks'. Check for PATHSEP in stopdirs_v[i], else + // '/home/r' would also match '/home/rks' + if (fnamencmp(stopdirs_v[i], path, path_len) == 0 + && vim_ispathsep(stopdirs_v[i][path_len])) + return TRUE; + } + else + { + if (fnamecmp(stopdirs_v[i], path) == 0) + return TRUE; + } + } + return FALSE; +} +#endif + +#if defined(FEAT_SEARCHPATH) || defined(PROTO) +/* + * Find the file name "ptr[len]" in the path. Also finds directory names. + * + * On the first call set the parameter 'first' to TRUE to initialize + * the search. For repeating calls to FALSE. + * + * Repeating calls will return other files called 'ptr[len]' from the path. + * + * Only on the first call 'ptr' and 'len' are used. For repeating calls they + * don't need valid values. + * + * If nothing found on the first call the option FNAME_MESS will issue the + * message: + * 'Can't find file "<file>" in path' + * On repeating calls: + * 'No more file "<file>" found in path' + * + * options: + * FNAME_MESS give error message when not found + * + * Uses NameBuff[]! + * + * Returns an allocated string for the file name. NULL for error. + * + */ + char_u * +find_file_in_path( + char_u *ptr, // file name + int len, // length of file name + int options, + int first, // use count'th matching file name + char_u *rel_fname) // file name searching relative to +{ + return find_file_in_path_option(ptr, len, options, first, + *curbuf->b_p_path == NUL ? p_path : curbuf->b_p_path, + FINDFILE_BOTH, rel_fname, curbuf->b_p_sua); +} + +static char_u *ff_file_to_find = NULL; +static void *fdip_search_ctx = NULL; + +# if defined(EXITFREE) || defined(PROTO) + void +free_findfile(void) +{ + vim_free(ff_file_to_find); + vim_findfile_cleanup(fdip_search_ctx); + vim_free(ff_expand_buffer); +} +# endif + +/* + * Find the directory name "ptr[len]" in the path. + * + * options: + * FNAME_MESS give error message when not found + * FNAME_UNESC unescape backslashes. + * + * Uses NameBuff[]! + * + * Returns an allocated string for the file name. NULL for error. + */ + char_u * +find_directory_in_path( + char_u *ptr, // file name + int len, // length of file name + int options, + char_u *rel_fname) // file name searching relative to +{ + return find_file_in_path_option(ptr, len, options, TRUE, p_cdpath, + FINDFILE_DIR, rel_fname, (char_u *)""); +} + + char_u * +find_file_in_path_option( + char_u *ptr, // file name + int len, // length of file name + int options, + int first, // use count'th matching file name + char_u *path_option, // p_path or p_cdpath + int find_what, // FINDFILE_FILE, _DIR or _BOTH + char_u *rel_fname, // file name we are looking relative to. + char_u *suffixes) // list of suffixes, 'suffixesadd' option +{ + static char_u *dir; + static int did_findfile_init = FALSE; + char_u save_char; + char_u *file_name = NULL; + char_u *buf = NULL; + int rel_to_curdir; +# ifdef AMIGA + struct Process *proc = (struct Process *)FindTask(0L); + APTR save_winptr = proc->pr_WindowPtr; + + // Avoid a requester here for a volume that doesn't exist. + proc->pr_WindowPtr = (APTR)-1L; +# endif + + if (first == TRUE) + { + // copy file name into NameBuff, expanding environment variables + save_char = ptr[len]; + ptr[len] = NUL; + expand_env_esc(ptr, NameBuff, MAXPATHL, FALSE, TRUE, NULL); + ptr[len] = save_char; + + vim_free(ff_file_to_find); + ff_file_to_find = vim_strsave(NameBuff); + if (ff_file_to_find == NULL) // out of memory + { + file_name = NULL; + goto theend; + } + if (options & FNAME_UNESC) + { + // Change all "\ " to " ". + for (ptr = ff_file_to_find; *ptr != NUL; ++ptr) + if (ptr[0] == '\\' && ptr[1] == ' ') + mch_memmove(ptr, ptr + 1, STRLEN(ptr)); + } + } + + rel_to_curdir = (ff_file_to_find[0] == '.' + && (ff_file_to_find[1] == NUL + || vim_ispathsep(ff_file_to_find[1]) + || (ff_file_to_find[1] == '.' + && (ff_file_to_find[2] == NUL + || vim_ispathsep(ff_file_to_find[2]))))); + if (vim_isAbsName(ff_file_to_find) + // "..", "../path", "." and "./path": don't use the path_option + || rel_to_curdir +# if defined(MSWIN) + // handle "\tmp" as absolute path + || vim_ispathsep(ff_file_to_find[0]) + // handle "c:name" as absolute path + || (ff_file_to_find[0] != NUL && ff_file_to_find[1] == ':') +# endif +# ifdef AMIGA + // handle ":tmp" as absolute path + || ff_file_to_find[0] == ':' +# endif + ) + { + /* + * Absolute path, no need to use "path_option". + * If this is not a first call, return NULL. We already returned a + * filename on the first call. + */ + if (first == TRUE) + { + int l; + int run; + + if (path_with_url(ff_file_to_find)) + { + file_name = vim_strsave(ff_file_to_find); + goto theend; + } + + // When FNAME_REL flag given first use the directory of the file. + // Otherwise or when this fails use the current directory. + for (run = 1; run <= 2; ++run) + { + l = (int)STRLEN(ff_file_to_find); + if (run == 1 + && rel_to_curdir + && (options & FNAME_REL) + && rel_fname != NULL + && STRLEN(rel_fname) + l < MAXPATHL) + { + STRCPY(NameBuff, rel_fname); + STRCPY(gettail(NameBuff), ff_file_to_find); + l = (int)STRLEN(NameBuff); + } + else + { + STRCPY(NameBuff, ff_file_to_find); + run = 2; + } + + // When the file doesn't exist, try adding parts of + // 'suffixesadd'. + buf = suffixes; + for (;;) + { + if (mch_getperm(NameBuff) >= 0 + && (find_what == FINDFILE_BOTH + || ((find_what == FINDFILE_DIR) + == mch_isdir(NameBuff)))) + { + file_name = vim_strsave(NameBuff); + goto theend; + } + if (*buf == NUL) + break; + copy_option_part(&buf, NameBuff + l, MAXPATHL - l, ","); + } + } + } + } + else + { + /* + * Loop over all paths in the 'path' or 'cdpath' option. + * When "first" is set, first setup to the start of the option. + * Otherwise continue to find the next match. + */ + if (first == TRUE) + { + // vim_findfile_free_visited can handle a possible NULL pointer + vim_findfile_free_visited(fdip_search_ctx); + dir = path_option; + did_findfile_init = FALSE; + } + + for (;;) + { + if (did_findfile_init) + { + file_name = vim_findfile(fdip_search_ctx); + if (file_name != NULL) + break; + + did_findfile_init = FALSE; + } + else + { + char_u *r_ptr; + + if (dir == NULL || *dir == NUL) + { + // We searched all paths of the option, now we can + // free the search context. + vim_findfile_cleanup(fdip_search_ctx); + fdip_search_ctx = NULL; + break; + } + + if ((buf = alloc((int)(MAXPATHL))) == NULL) + break; + + // copy next path + buf[0] = 0; + copy_option_part(&dir, buf, MAXPATHL, " ,"); + +# ifdef FEAT_PATH_EXTRA + // get the stopdir string + r_ptr = vim_findfile_stopdir(buf); +# else + r_ptr = NULL; +# endif + fdip_search_ctx = vim_findfile_init(buf, ff_file_to_find, + r_ptr, 100, FALSE, find_what, + fdip_search_ctx, FALSE, rel_fname); + if (fdip_search_ctx != NULL) + did_findfile_init = TRUE; + vim_free(buf); + } + } + } + if (file_name == NULL && (options & FNAME_MESS)) + { + if (first == TRUE) + { + if (find_what == FINDFILE_DIR) + semsg(_("E344: Can't find directory \"%s\" in cdpath"), + ff_file_to_find); + else + semsg(_("E345: Can't find file \"%s\" in path"), + ff_file_to_find); + } + else + { + if (find_what == FINDFILE_DIR) + semsg(_("E346: No more directory \"%s\" found in cdpath"), + ff_file_to_find); + else + semsg(_("E347: No more file \"%s\" found in path"), + ff_file_to_find); + } + } + +theend: +# ifdef AMIGA + proc->pr_WindowPtr = save_winptr; +# endif + return file_name; +} + +/* + * Get the file name at the cursor. + * If Visual mode is active, use the selected text if it's in one line. + * Returns the name in allocated memory, NULL for failure. + */ + char_u * +grab_file_name(long count, linenr_T *file_lnum) +{ + int options = FNAME_MESS|FNAME_EXP|FNAME_REL|FNAME_UNESC; + + if (VIsual_active) + { + int len; + char_u *ptr; + + if (get_visual_text(NULL, &ptr, &len) == FAIL) + return NULL; + return find_file_name_in_path(ptr, len, options, + count, curbuf->b_ffname); + } + return file_name_at_cursor(options | FNAME_HYP, count, file_lnum); +} + +/* + * Return the file name under or after the cursor. + * + * The 'path' option is searched if the file name is not absolute. + * The string returned has been alloc'ed and should be freed by the caller. + * NULL is returned if the file name or file is not found. + * + * options: + * FNAME_MESS give error messages + * FNAME_EXP expand to path + * FNAME_HYP check for hypertext link + * FNAME_INCL apply "includeexpr" + */ + char_u * +file_name_at_cursor(int options, long count, linenr_T *file_lnum) +{ + return file_name_in_line(ml_get_curline(), + curwin->w_cursor.col, options, count, curbuf->b_ffname, + file_lnum); +} + +/* + * Return the name of the file under or after ptr[col]. + * Otherwise like file_name_at_cursor(). + */ + char_u * +file_name_in_line( + char_u *line, + int col, + int options, + long count, + char_u *rel_fname, // file we are searching relative to + linenr_T *file_lnum) // line number after the file name +{ + char_u *ptr; + int len; + int in_type = TRUE; + int is_url = FALSE; + + /* + * search forward for what could be the start of a file name + */ + ptr = line + col; + while (*ptr != NUL && !vim_isfilec(*ptr)) + MB_PTR_ADV(ptr); + if (*ptr == NUL) // nothing found + { + if (options & FNAME_MESS) + emsg(_("E446: No file name under cursor")); + return NULL; + } + + /* + * Search backward for first char of the file name. + * Go one char back to ":" before "//" even when ':' is not in 'isfname'. + */ + while (ptr > line) + { + if (has_mbyte && (len = (*mb_head_off)(line, ptr - 1)) > 0) + ptr -= len + 1; + else if (vim_isfilec(ptr[-1]) + || ((options & FNAME_HYP) && path_is_url(ptr - 1))) + --ptr; + else + break; + } + + /* + * Search forward for the last char of the file name. + * Also allow "://" when ':' is not in 'isfname'. + */ + len = 0; + while (vim_isfilec(ptr[len]) || (ptr[len] == '\\' && ptr[len + 1] == ' ') + || ((options & FNAME_HYP) && path_is_url(ptr + len)) + || (is_url && vim_strchr((char_u *)"?&=", ptr[len]) != NULL)) + { + // After type:// we also include ?, & and = as valid characters, so that + // http://google.com?q=this&that=ok works. + if ((ptr[len] >= 'A' && ptr[len] <= 'Z') || (ptr[len] >= 'a' && ptr[len] <= 'z')) + { + if (in_type && path_is_url(ptr + len + 1)) + is_url = TRUE; + } + else + in_type = FALSE; + + if (ptr[len] == '\\') + // Skip over the "\" in "\ ". + ++len; + if (has_mbyte) + len += (*mb_ptr2len)(ptr + len); + else + ++len; + } + + /* + * If there is trailing punctuation, remove it. + * But don't remove "..", could be a directory name. + */ + if (len > 2 && vim_strchr((char_u *)".,:;!", ptr[len - 1]) != NULL + && ptr[len - 2] != '.') + --len; + + if (file_lnum != NULL) + { + char_u *p; + + // Get the number after the file name and a separator character + p = ptr + len; + p = skipwhite(p); + if (*p != NUL) + { + if (!isdigit(*p)) + ++p; // skip the separator + p = skipwhite(p); + if (isdigit(*p)) + *file_lnum = (int)getdigits(&p); + } + } + + return find_file_name_in_path(ptr, len, options, count, rel_fname); +} + +# if defined(FEAT_FIND_ID) && defined(FEAT_EVAL) + static char_u * +eval_includeexpr(char_u *ptr, int len) +{ + char_u *res; + + set_vim_var_string(VV_FNAME, ptr, len); + res = eval_to_string_safe(curbuf->b_p_inex, NULL, + was_set_insecurely((char_u *)"includeexpr", OPT_LOCAL)); + set_vim_var_string(VV_FNAME, NULL, 0); + return res; +} +# endif + +/* + * Return the name of the file ptr[len] in 'path'. + * Otherwise like file_name_at_cursor(). + */ + char_u * +find_file_name_in_path( + char_u *ptr, + int len, + int options, + long count, + char_u *rel_fname) // file we are searching relative to +{ + char_u *file_name; + int c; +# if defined(FEAT_FIND_ID) && defined(FEAT_EVAL) + char_u *tofree = NULL; + + if ((options & FNAME_INCL) && *curbuf->b_p_inex != NUL) + { + tofree = eval_includeexpr(ptr, len); + if (tofree != NULL) + { + ptr = tofree; + len = (int)STRLEN(ptr); + } + } +# endif + + if (options & FNAME_EXP) + { + file_name = find_file_in_path(ptr, len, options & ~FNAME_MESS, + TRUE, rel_fname); + +# if defined(FEAT_FIND_ID) && defined(FEAT_EVAL) + /* + * If the file could not be found in a normal way, try applying + * 'includeexpr' (unless done already). + */ + if (file_name == NULL + && !(options & FNAME_INCL) && *curbuf->b_p_inex != NUL) + { + tofree = eval_includeexpr(ptr, len); + if (tofree != NULL) + { + ptr = tofree; + len = (int)STRLEN(ptr); + file_name = find_file_in_path(ptr, len, options & ~FNAME_MESS, + TRUE, rel_fname); + } + } +# endif + if (file_name == NULL && (options & FNAME_MESS)) + { + c = ptr[len]; + ptr[len] = NUL; + semsg(_("E447: Can't find file \"%s\" in path"), ptr); + ptr[len] = c; + } + + // Repeat finding the file "count" times. This matters when it + // appears several times in the path. + while (file_name != NULL && --count > 0) + { + vim_free(file_name); + file_name = find_file_in_path(ptr, len, options, FALSE, rel_fname); + } + } + else + file_name = vim_strnsave(ptr, len); + +# if defined(FEAT_FIND_ID) && defined(FEAT_EVAL) + vim_free(tofree); +# endif + + return file_name; +} + +/* + * Return the end of the directory name, on the first path + * separator: + * "/path/file", "/path/dir/", "/path//dir", "/file" + * ^ ^ ^ ^ + */ + static char_u * +gettail_dir(char_u *fname) +{ + char_u *dir_end = fname; + char_u *next_dir_end = fname; + int look_for_sep = TRUE; + char_u *p; + + for (p = fname; *p != NUL; ) + { + if (vim_ispathsep(*p)) + { + if (look_for_sep) + { + next_dir_end = p; + look_for_sep = FALSE; + } + } + else + { + if (!look_for_sep) + dir_end = next_dir_end; + look_for_sep = TRUE; + } + MB_PTR_ADV(p); + } + return dir_end; +} + +/* + * return TRUE if 'c' is a path list separator. + */ + int +vim_ispathlistsep(int c) +{ +# ifdef UNIX + return (c == ':'); +# else + return (c == ';'); // might not be right for every system... +# endif +} + +/* + * Moves "*psep" back to the previous path separator in "path". + * Returns FAIL is "*psep" ends up at the beginning of "path". + */ + static int +find_previous_pathsep(char_u *path, char_u **psep) +{ + // skip the current separator + if (*psep > path && vim_ispathsep(**psep)) + --*psep; + + // find the previous separator + while (*psep > path) + { + if (vim_ispathsep(**psep)) + return OK; + MB_PTR_BACK(path, *psep); + } + + return FAIL; +} + +/* + * Returns TRUE if "maybe_unique" is unique wrt other_paths in "gap". + * "maybe_unique" is the end portion of "((char_u **)gap->ga_data)[i]". + */ + static int +is_unique(char_u *maybe_unique, garray_T *gap, int i) +{ + int j; + int candidate_len; + int other_path_len; + char_u **other_paths = (char_u **)gap->ga_data; + char_u *rival; + + for (j = 0; j < gap->ga_len; j++) + { + if (j == i) + continue; // don't compare it with itself + + candidate_len = (int)STRLEN(maybe_unique); + other_path_len = (int)STRLEN(other_paths[j]); + if (other_path_len < candidate_len) + continue; // it's different when it's shorter + + rival = other_paths[j] + other_path_len - candidate_len; + if (fnamecmp(maybe_unique, rival) == 0 + && (rival == other_paths[j] || vim_ispathsep(*(rival - 1)))) + return FALSE; // match + } + + return TRUE; // no match found +} + +/* + * Split the 'path' option into an array of strings in garray_T. Relative + * paths are expanded to their equivalent fullpath. This includes the "." + * (relative to current buffer directory) and empty path (relative to current + * directory) notations. + * + * TODO: handle upward search (;) and path limiter (**N) notations by + * expanding each into their equivalent path(s). + */ + static void +expand_path_option(char_u *curdir, garray_T *gap) +{ + char_u *path_option = *curbuf->b_p_path == NUL + ? p_path : curbuf->b_p_path; + char_u *buf; + char_u *p; + int len; + + if ((buf = alloc((int)MAXPATHL)) == NULL) + return; + + while (*path_option != NUL) + { + copy_option_part(&path_option, buf, MAXPATHL, " ,"); + + if (buf[0] == '.' && (buf[1] == NUL || vim_ispathsep(buf[1]))) + { + // Relative to current buffer: + // "/path/file" + "." -> "/path/" + // "/path/file" + "./subdir" -> "/path/subdir" + if (curbuf->b_ffname == NULL) + continue; + p = gettail(curbuf->b_ffname); + len = (int)(p - curbuf->b_ffname); + if (len + (int)STRLEN(buf) >= MAXPATHL) + continue; + if (buf[1] == NUL) + buf[len] = NUL; + else + STRMOVE(buf + len, buf + 2); + mch_memmove(buf, curbuf->b_ffname, len); + simplify_filename(buf); + } + else if (buf[0] == NUL) + // relative to current directory + STRCPY(buf, curdir); + else if (path_with_url(buf)) + // URL can't be used here + continue; + else if (!mch_isFullName(buf)) + { + // Expand relative path to their full path equivalent + len = (int)STRLEN(curdir); + if (len + (int)STRLEN(buf) + 3 > MAXPATHL) + continue; + STRMOVE(buf + len + 1, buf); + STRCPY(buf, curdir); + buf[len] = PATHSEP; + simplify_filename(buf); + } + + if (ga_grow(gap, 1) == FAIL) + break; + +# if defined(MSWIN) + // Avoid the path ending in a backslash, it fails when a comma is + // appended. + len = (int)STRLEN(buf); + if (buf[len - 1] == '\\') + buf[len - 1] = '/'; +# endif + + p = vim_strsave(buf); + if (p == NULL) + break; + ((char_u **)gap->ga_data)[gap->ga_len++] = p; + } + + vim_free(buf); +} + +/* + * Returns a pointer to the file or directory name in "fname" that matches the + * longest path in "ga"p, or NULL if there is no match. For example: + * + * path: /foo/bar/baz + * fname: /foo/bar/baz/quux.txt + * returns: ^this + */ + static char_u * +get_path_cutoff(char_u *fname, garray_T *gap) +{ + int i; + int maxlen = 0; + char_u **path_part = (char_u **)gap->ga_data; + char_u *cutoff = NULL; + + for (i = 0; i < gap->ga_len; i++) + { + int j = 0; + + while ((fname[j] == path_part[i][j] +# if defined(MSWIN) + || (vim_ispathsep(fname[j]) && vim_ispathsep(path_part[i][j])) +# endif + ) && fname[j] != NUL && path_part[i][j] != NUL) + j++; + if (j > maxlen) + { + maxlen = j; + cutoff = &fname[j]; + } + } + + // skip to the file or directory name + if (cutoff != NULL) + while (vim_ispathsep(*cutoff)) + MB_PTR_ADV(cutoff); + + return cutoff; +} + +/* + * Sorts, removes duplicates and modifies all the fullpath names in "gap" so + * that they are unique with respect to each other while conserving the part + * that matches the pattern. Beware, this is at least O(n^2) wrt "gap->ga_len". + */ + void +uniquefy_paths(garray_T *gap, char_u *pattern) +{ + int i; + int len; + char_u **fnames = (char_u **)gap->ga_data; + int sort_again = FALSE; + char_u *pat; + char_u *file_pattern; + char_u *curdir; + regmatch_T regmatch; + garray_T path_ga; + char_u **in_curdir = NULL; + char_u *short_name; + + remove_duplicates(gap); + ga_init2(&path_ga, (int)sizeof(char_u *), 1); + + /* + * We need to prepend a '*' at the beginning of file_pattern so that the + * regex matches anywhere in the path. FIXME: is this valid for all + * possible patterns? + */ + len = (int)STRLEN(pattern); + file_pattern = alloc(len + 2); + if (file_pattern == NULL) + return; + file_pattern[0] = '*'; + file_pattern[1] = NUL; + STRCAT(file_pattern, pattern); + pat = file_pat_to_reg_pat(file_pattern, NULL, NULL, TRUE); + vim_free(file_pattern); + if (pat == NULL) + return; + + regmatch.rm_ic = TRUE; // always ignore case + regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING); + vim_free(pat); + if (regmatch.regprog == NULL) + return; + + if ((curdir = alloc((int)(MAXPATHL))) == NULL) + goto theend; + mch_dirname(curdir, MAXPATHL); + expand_path_option(curdir, &path_ga); + + in_curdir = (char_u **)alloc_clear(gap->ga_len * sizeof(char_u *)); + if (in_curdir == NULL) + goto theend; + + for (i = 0; i < gap->ga_len && !got_int; i++) + { + char_u *path = fnames[i]; + int is_in_curdir; + char_u *dir_end = gettail_dir(path); + char_u *pathsep_p; + char_u *path_cutoff; + + len = (int)STRLEN(path); + is_in_curdir = fnamencmp(curdir, path, dir_end - path) == 0 + && curdir[dir_end - path] == NUL; + if (is_in_curdir) + in_curdir[i] = vim_strsave(path); + + // Shorten the filename while maintaining its uniqueness + path_cutoff = get_path_cutoff(path, &path_ga); + + // Don't assume all files can be reached without path when search + // pattern starts with star star slash, so only remove path_cutoff + // when possible. + if (pattern[0] == '*' && pattern[1] == '*' + && vim_ispathsep_nocolon(pattern[2]) + && path_cutoff != NULL + && vim_regexec(®match, path_cutoff, (colnr_T)0) + && is_unique(path_cutoff, gap, i)) + { + sort_again = TRUE; + mch_memmove(path, path_cutoff, STRLEN(path_cutoff) + 1); + } + else + { + // Here all files can be reached without path, so get shortest + // unique path. We start at the end of the path. + pathsep_p = path + len - 1; + + while (find_previous_pathsep(path, &pathsep_p)) + if (vim_regexec(®match, pathsep_p + 1, (colnr_T)0) + && is_unique(pathsep_p + 1, gap, i) + && path_cutoff != NULL && pathsep_p + 1 >= path_cutoff) + { + sort_again = TRUE; + mch_memmove(path, pathsep_p + 1, STRLEN(pathsep_p)); + break; + } + } + + if (mch_isFullName(path)) + { + /* + * Last resort: shorten relative to curdir if possible. + * 'possible' means: + * 1. It is under the current directory. + * 2. The result is actually shorter than the original. + * + * Before curdir After + * /foo/bar/file.txt /foo/bar ./file.txt + * c:\foo\bar\file.txt c:\foo\bar .\file.txt + * /file.txt / /file.txt + * c:\file.txt c:\ .\file.txt + */ + short_name = shorten_fname(path, curdir); + if (short_name != NULL && short_name > path + 1 +# if defined(MSWIN) + // On windows, + // shorten_fname("c:\a\a.txt", "c:\a\b") + // returns "\a\a.txt", which is not really the short + // name, hence: + && !vim_ispathsep(*short_name) +# endif + ) + { + STRCPY(path, "."); + add_pathsep(path); + STRMOVE(path + STRLEN(path), short_name); + } + } + ui_breakcheck(); + } + + // Shorten filenames in /in/current/directory/{filename} + for (i = 0; i < gap->ga_len && !got_int; i++) + { + char_u *rel_path; + char_u *path = in_curdir[i]; + + if (path == NULL) + continue; + + // If the {filename} is not unique, change it to ./{filename}. + // Else reduce it to {filename} + short_name = shorten_fname(path, curdir); + if (short_name == NULL) + short_name = path; + if (is_unique(short_name, gap, i)) + { + STRCPY(fnames[i], short_name); + continue; + } + + rel_path = alloc((int)(STRLEN(short_name) + STRLEN(PATHSEPSTR) + 2)); + if (rel_path == NULL) + goto theend; + STRCPY(rel_path, "."); + add_pathsep(rel_path); + STRCAT(rel_path, short_name); + + vim_free(fnames[i]); + fnames[i] = rel_path; + sort_again = TRUE; + ui_breakcheck(); + } + +theend: + vim_free(curdir); + if (in_curdir != NULL) + { + for (i = 0; i < gap->ga_len; i++) + vim_free(in_curdir[i]); + vim_free(in_curdir); + } + ga_clear_strings(&path_ga); + vim_regfree(regmatch.regprog); + + if (sort_again) + remove_duplicates(gap); +} + +/* + * Calls globpath() with 'path' values for the given pattern and stores the + * result in "gap". + * Returns the total number of matches. + */ + int +expand_in_path( + garray_T *gap, + char_u *pattern, + int flags) // EW_* flags +{ + char_u *curdir; + garray_T path_ga; + char_u *paths = NULL; + int glob_flags = 0; + + if ((curdir = alloc((unsigned)MAXPATHL)) == NULL) + return 0; + mch_dirname(curdir, MAXPATHL); + + ga_init2(&path_ga, (int)sizeof(char_u *), 1); + expand_path_option(curdir, &path_ga); + vim_free(curdir); + if (path_ga.ga_len == 0) + return 0; + + paths = ga_concat_strings(&path_ga, ","); + ga_clear_strings(&path_ga); + if (paths == NULL) + return 0; + + if (flags & EW_ICASE) + glob_flags |= WILD_ICASE; + if (flags & EW_ADDSLASH) + glob_flags |= WILD_ADD_SLASH; + globpath(paths, pattern, gap, glob_flags); + vim_free(paths); + + return gap->ga_len; +} + +#endif // FEAT_SEARCHPATH
--- a/src/misc1.c +++ b/src/misc1.c @@ -21,6 +21,9 @@ static char_u *vim_version_dir(char_u *vimdir); static char_u *remove_tail(char_u *p, char_u *pend, char_u *name); +#define URL_SLASH 1 /* path_is_url() has found "://" */ +#define URL_BACKSLASH 2 /* path_is_url() has found ":\\" */ + /* All user names (for ~user completion as done by shell). */ #if defined(FEAT_CMDL_COMPL) || defined(PROTO) static garray_T ga_users; @@ -5023,43 +5026,6 @@ gettail(char_u *fname) return p1; } -#if defined(FEAT_SEARCHPATH) -/* - * Return the end of the directory name, on the first path - * separator: - * "/path/file", "/path/dir/", "/path//dir", "/file" - * ^ ^ ^ ^ - */ - static char_u * -gettail_dir(char_u *fname) -{ - char_u *dir_end = fname; - char_u *next_dir_end = fname; - int look_for_sep = TRUE; - char_u *p; - - for (p = fname; *p != NUL; ) - { - if (vim_ispathsep(*p)) - { - if (look_for_sep) - { - next_dir_end = p; - look_for_sep = FALSE; - } - } - else - { - if (!look_for_sep) - dir_end = next_dir_end; - look_for_sep = TRUE; - } - MB_PTR_ADV(p); - } - return dir_end; -} -#endif - /* * Get pointer to tail of "fname", including path separators. Putting a NUL * here leaves the directory name. Takes care of "c:/" and "//". @@ -5165,21 +5131,6 @@ vim_ispathsep_nocolon(int c) ; } -#if defined(FEAT_SEARCHPATH) || defined(PROTO) -/* - * return TRUE if 'c' is a path list separator. - */ - int -vim_ispathlistsep(int c) -{ -#ifdef UNIX - return (c == ':'); -#else - return (c == ';'); /* might not be right for every system... */ -#endif -} -#endif - /* * Shorten the path of a file from "~/foo/../.bar/fname" to "~/f/../.b/fname" * It's done in-place. @@ -6183,407 +6134,6 @@ unix_expandpath( } #endif -#if defined(FEAT_SEARCHPATH) -/* - * Moves "*psep" back to the previous path separator in "path". - * Returns FAIL is "*psep" ends up at the beginning of "path". - */ - static int -find_previous_pathsep(char_u *path, char_u **psep) -{ - /* skip the current separator */ - if (*psep > path && vim_ispathsep(**psep)) - --*psep; - - /* find the previous separator */ - while (*psep > path) - { - if (vim_ispathsep(**psep)) - return OK; - MB_PTR_BACK(path, *psep); - } - - return FAIL; -} - -/* - * Returns TRUE if "maybe_unique" is unique wrt other_paths in "gap". - * "maybe_unique" is the end portion of "((char_u **)gap->ga_data)[i]". - */ - static int -is_unique(char_u *maybe_unique, garray_T *gap, int i) -{ - int j; - int candidate_len; - int other_path_len; - char_u **other_paths = (char_u **)gap->ga_data; - char_u *rival; - - for (j = 0; j < gap->ga_len; j++) - { - if (j == i) - continue; /* don't compare it with itself */ - - candidate_len = (int)STRLEN(maybe_unique); - other_path_len = (int)STRLEN(other_paths[j]); - if (other_path_len < candidate_len) - continue; /* it's different when it's shorter */ - - rival = other_paths[j] + other_path_len - candidate_len; - if (fnamecmp(maybe_unique, rival) == 0 - && (rival == other_paths[j] || vim_ispathsep(*(rival - 1)))) - return FALSE; /* match */ - } - - return TRUE; /* no match found */ -} - -/* - * Split the 'path' option into an array of strings in garray_T. Relative - * paths are expanded to their equivalent fullpath. This includes the "." - * (relative to current buffer directory) and empty path (relative to current - * directory) notations. - * - * TODO: handle upward search (;) and path limiter (**N) notations by - * expanding each into their equivalent path(s). - */ - static void -expand_path_option(char_u *curdir, garray_T *gap) -{ - char_u *path_option = *curbuf->b_p_path == NUL - ? p_path : curbuf->b_p_path; - char_u *buf; - char_u *p; - int len; - - if ((buf = alloc((int)MAXPATHL)) == NULL) - return; - - while (*path_option != NUL) - { - copy_option_part(&path_option, buf, MAXPATHL, " ,"); - - if (buf[0] == '.' && (buf[1] == NUL || vim_ispathsep(buf[1]))) - { - /* Relative to current buffer: - * "/path/file" + "." -> "/path/" - * "/path/file" + "./subdir" -> "/path/subdir" */ - if (curbuf->b_ffname == NULL) - continue; - p = gettail(curbuf->b_ffname); - len = (int)(p - curbuf->b_ffname); - if (len + (int)STRLEN(buf) >= MAXPATHL) - continue; - if (buf[1] == NUL) - buf[len] = NUL; - else - STRMOVE(buf + len, buf + 2); - mch_memmove(buf, curbuf->b_ffname, len); - simplify_filename(buf); - } - else if (buf[0] == NUL) - /* relative to current directory */ - STRCPY(buf, curdir); - else if (path_with_url(buf)) - /* URL can't be used here */ - continue; - else if (!mch_isFullName(buf)) - { - /* Expand relative path to their full path equivalent */ - len = (int)STRLEN(curdir); - if (len + (int)STRLEN(buf) + 3 > MAXPATHL) - continue; - STRMOVE(buf + len + 1, buf); - STRCPY(buf, curdir); - buf[len] = PATHSEP; - simplify_filename(buf); - } - - if (ga_grow(gap, 1) == FAIL) - break; - -# if defined(MSWIN) - /* Avoid the path ending in a backslash, it fails when a comma is - * appended. */ - len = (int)STRLEN(buf); - if (buf[len - 1] == '\\') - buf[len - 1] = '/'; -# endif - - p = vim_strsave(buf); - if (p == NULL) - break; - ((char_u **)gap->ga_data)[gap->ga_len++] = p; - } - - vim_free(buf); -} - -/* - * Returns a pointer to the file or directory name in "fname" that matches the - * longest path in "ga"p, or NULL if there is no match. For example: - * - * path: /foo/bar/baz - * fname: /foo/bar/baz/quux.txt - * returns: ^this - */ - static char_u * -get_path_cutoff(char_u *fname, garray_T *gap) -{ - int i; - int maxlen = 0; - char_u **path_part = (char_u **)gap->ga_data; - char_u *cutoff = NULL; - - for (i = 0; i < gap->ga_len; i++) - { - int j = 0; - - while ((fname[j] == path_part[i][j] -# if defined(MSWIN) - || (vim_ispathsep(fname[j]) && vim_ispathsep(path_part[i][j])) -#endif - ) && fname[j] != NUL && path_part[i][j] != NUL) - j++; - if (j > maxlen) - { - maxlen = j; - cutoff = &fname[j]; - } - } - - /* skip to the file or directory name */ - if (cutoff != NULL) - while (vim_ispathsep(*cutoff)) - MB_PTR_ADV(cutoff); - - return cutoff; -} - -/* - * Sorts, removes duplicates and modifies all the fullpath names in "gap" so - * that they are unique with respect to each other while conserving the part - * that matches the pattern. Beware, this is at least O(n^2) wrt "gap->ga_len". - */ - static void -uniquefy_paths(garray_T *gap, char_u *pattern) -{ - int i; - int len; - char_u **fnames = (char_u **)gap->ga_data; - int sort_again = FALSE; - char_u *pat; - char_u *file_pattern; - char_u *curdir; - regmatch_T regmatch; - garray_T path_ga; - char_u **in_curdir = NULL; - char_u *short_name; - - remove_duplicates(gap); - ga_init2(&path_ga, (int)sizeof(char_u *), 1); - - /* - * We need to prepend a '*' at the beginning of file_pattern so that the - * regex matches anywhere in the path. FIXME: is this valid for all - * possible patterns? - */ - len = (int)STRLEN(pattern); - file_pattern = alloc(len + 2); - if (file_pattern == NULL) - return; - file_pattern[0] = '*'; - file_pattern[1] = NUL; - STRCAT(file_pattern, pattern); - pat = file_pat_to_reg_pat(file_pattern, NULL, NULL, TRUE); - vim_free(file_pattern); - if (pat == NULL) - return; - - regmatch.rm_ic = TRUE; /* always ignore case */ - regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING); - vim_free(pat); - if (regmatch.regprog == NULL) - return; - - if ((curdir = alloc((int)(MAXPATHL))) == NULL) - goto theend; - mch_dirname(curdir, MAXPATHL); - expand_path_option(curdir, &path_ga); - - in_curdir = (char_u **)alloc_clear(gap->ga_len * sizeof(char_u *)); - if (in_curdir == NULL) - goto theend; - - for (i = 0; i < gap->ga_len && !got_int; i++) - { - char_u *path = fnames[i]; - int is_in_curdir; - char_u *dir_end = gettail_dir(path); - char_u *pathsep_p; - char_u *path_cutoff; - - len = (int)STRLEN(path); - is_in_curdir = fnamencmp(curdir, path, dir_end - path) == 0 - && curdir[dir_end - path] == NUL; - if (is_in_curdir) - in_curdir[i] = vim_strsave(path); - - /* Shorten the filename while maintaining its uniqueness */ - path_cutoff = get_path_cutoff(path, &path_ga); - - /* Don't assume all files can be reached without path when search - * pattern starts with star star slash, so only remove path_cutoff - * when possible. */ - if (pattern[0] == '*' && pattern[1] == '*' - && vim_ispathsep_nocolon(pattern[2]) - && path_cutoff != NULL - && vim_regexec(®match, path_cutoff, (colnr_T)0) - && is_unique(path_cutoff, gap, i)) - { - sort_again = TRUE; - mch_memmove(path, path_cutoff, STRLEN(path_cutoff) + 1); - } - else - { - /* Here all files can be reached without path, so get shortest - * unique path. We start at the end of the path. */ - pathsep_p = path + len - 1; - - while (find_previous_pathsep(path, &pathsep_p)) - if (vim_regexec(®match, pathsep_p + 1, (colnr_T)0) - && is_unique(pathsep_p + 1, gap, i) - && path_cutoff != NULL && pathsep_p + 1 >= path_cutoff) - { - sort_again = TRUE; - mch_memmove(path, pathsep_p + 1, STRLEN(pathsep_p)); - break; - } - } - - if (mch_isFullName(path)) - { - /* - * Last resort: shorten relative to curdir if possible. - * 'possible' means: - * 1. It is under the current directory. - * 2. The result is actually shorter than the original. - * - * Before curdir After - * /foo/bar/file.txt /foo/bar ./file.txt - * c:\foo\bar\file.txt c:\foo\bar .\file.txt - * /file.txt / /file.txt - * c:\file.txt c:\ .\file.txt - */ - short_name = shorten_fname(path, curdir); - if (short_name != NULL && short_name > path + 1 -#if defined(MSWIN) - /* On windows, - * shorten_fname("c:\a\a.txt", "c:\a\b") - * returns "\a\a.txt", which is not really the short - * name, hence: */ - && !vim_ispathsep(*short_name) -#endif - ) - { - STRCPY(path, "."); - add_pathsep(path); - STRMOVE(path + STRLEN(path), short_name); - } - } - ui_breakcheck(); - } - - /* Shorten filenames in /in/current/directory/{filename} */ - for (i = 0; i < gap->ga_len && !got_int; i++) - { - char_u *rel_path; - char_u *path = in_curdir[i]; - - if (path == NULL) - continue; - - /* If the {filename} is not unique, change it to ./{filename}. - * Else reduce it to {filename} */ - short_name = shorten_fname(path, curdir); - if (short_name == NULL) - short_name = path; - if (is_unique(short_name, gap, i)) - { - STRCPY(fnames[i], short_name); - continue; - } - - rel_path = alloc((int)(STRLEN(short_name) + STRLEN(PATHSEPSTR) + 2)); - if (rel_path == NULL) - goto theend; - STRCPY(rel_path, "."); - add_pathsep(rel_path); - STRCAT(rel_path, short_name); - - vim_free(fnames[i]); - fnames[i] = rel_path; - sort_again = TRUE; - ui_breakcheck(); - } - -theend: - vim_free(curdir); - if (in_curdir != NULL) - { - for (i = 0; i < gap->ga_len; i++) - vim_free(in_curdir[i]); - vim_free(in_curdir); - } - ga_clear_strings(&path_ga); - vim_regfree(regmatch.regprog); - - if (sort_again) - remove_duplicates(gap); -} - -/* - * Calls globpath() with 'path' values for the given pattern and stores the - * result in "gap". - * Returns the total number of matches. - */ - static int -expand_in_path( - garray_T *gap, - char_u *pattern, - int flags) /* EW_* flags */ -{ - char_u *curdir; - garray_T path_ga; - char_u *paths = NULL; - int glob_flags = 0; - - if ((curdir = alloc((unsigned)MAXPATHL)) == NULL) - return 0; - mch_dirname(curdir, MAXPATHL); - - ga_init2(&path_ga, (int)sizeof(char_u *), 1); - expand_path_option(curdir, &path_ga); - vim_free(curdir); - if (path_ga.ga_len == 0) - return 0; - - paths = ga_concat_strings(&path_ga, ","); - ga_clear_strings(&path_ga); - if (paths == NULL) - return 0; - - if (flags & EW_ICASE) - glob_flags |= WILD_ICASE; - if (flags & EW_ADDSLASH) - glob_flags |= WILD_ADD_SLASH; - globpath(paths, pattern, gap, glob_flags); - vim_free(paths); - - return gap->ga_len; -} -#endif - #if defined(FEAT_SEARCHPATH) || defined(FEAT_CMDL_COMPL) || defined(PROTO) /* * Sort "gap" and remove duplicate entries. "gap" is expected to contain a @@ -7120,3 +6670,75 @@ get_isolated_shell_name(void) #endif return p; } + +/* + * Check if the "://" of a URL is at the pointer, return URL_SLASH. + * Also check for ":\\", which MS Internet Explorer accepts, return + * URL_BACKSLASH. + */ + int +path_is_url(char_u *p) +{ + if (STRNCMP(p, "://", (size_t)3) == 0) + return URL_SLASH; + else if (STRNCMP(p, ":\\\\", (size_t)3) == 0) + return URL_BACKSLASH; + return 0; +} + +/* + * Check if "fname" starts with "name://". Return URL_SLASH if it does. + * Return URL_BACKSLASH for "name:\\". + * Return zero otherwise. + */ + int +path_with_url(char_u *fname) +{ + char_u *p; + + for (p = fname; isalpha(*p); ++p) + ; + return path_is_url(p); +} + +/* + * Return TRUE if "name" is a full (absolute) path name or URL. + */ + int +vim_isAbsName(char_u *name) +{ + return (path_with_url(name) != 0 || mch_isFullName(name)); +} + +/* + * Get absolute file name into buffer "buf[len]". + * + * return FAIL for failure, OK otherwise + */ + int +vim_FullName( + char_u *fname, + char_u *buf, + int len, + int force) /* force expansion even when already absolute */ +{ + int retval = OK; + int url; + + *buf = NUL; + if (fname == NULL) + return FAIL; + + url = path_with_url(fname); + if (!url) + retval = mch_FullName(fname, buf, len, force); + if (url || retval == FAIL) + { + /* something failed; use the file name (truncate when too long) */ + vim_strncpy(buf, fname, len - 1); + } +#if defined(MSWIN) + slash_adjust(buf); +#endif + return retval; +}
--- a/src/misc2.c +++ b/src/misc2.c @@ -14,8 +14,6 @@ static char_u *username = NULL; /* cached result of mch_get_user_name() */ -static char_u *ff_expand_buffer = NULL; /* used for expanding filenames */ - static int coladvance2(pos_T *pos, int addspaces, int finetune, colnr_T wcol); /* @@ -1047,10 +1045,6 @@ do_outofmem_msg(long_u size) #if defined(EXITFREE) || defined(PROTO) -# if defined(FEAT_SEARCHPATH) -static void free_findfile(void); -# endif - /* * Free everything that we allocated. * Can be used to detect memory leaks, e.g., with ccmalloc. @@ -1161,7 +1155,6 @@ free_all_mem(void) vim_free(new_last_cmdline); # endif set_keep_msg(NULL, 0); - vim_free(ff_expand_buffer); /* Clear cmdline history. */ p_hi = 0; @@ -3822,1925 +3815,6 @@ update_mouseshape(int shape_idx) #endif /* CURSOR_SHAPE */ -/* TODO: make some #ifdef for this */ -/*--------[ file searching ]-------------------------------------------------*/ -/* - * File searching functions for 'path', 'tags' and 'cdpath' options. - * External visible functions: - * vim_findfile_init() creates/initialises the search context - * vim_findfile_free_visited() free list of visited files/dirs of search - * context - * vim_findfile() find a file in the search context - * vim_findfile_cleanup() cleanup/free search context created by - * vim_findfile_init() - * - * All static functions and variables start with 'ff_' - * - * In general it works like this: - * First you create yourself a search context by calling vim_findfile_init(). - * It is possible to give a search context from a previous call to - * vim_findfile_init(), so it can be reused. After this you call vim_findfile() - * until you are satisfied with the result or it returns NULL. On every call it - * returns the next file which matches the conditions given to - * vim_findfile_init(). If it doesn't find a next file it returns NULL. - * - * It is possible to call vim_findfile_init() again to reinitialise your search - * with some new parameters. Don't forget to pass your old search context to - * it, so it can reuse it and especially reuse the list of already visited - * directories. If you want to delete the list of already visited directories - * simply call vim_findfile_free_visited(). - * - * When you are done call vim_findfile_cleanup() to free the search context. - * - * The function vim_findfile_init() has a long comment, which describes the - * needed parameters. - * - * - * - * ATTENTION: - * ========== - * Also we use an allocated search context here, this functions are NOT - * thread-safe!!!!! - * - * To minimize parameter passing (or because I'm to lazy), only the - * external visible functions get a search context as a parameter. This is - * then assigned to a static global, which is used throughout the local - * functions. - */ - -/* - * type for the directory search stack - */ -typedef struct ff_stack -{ - struct ff_stack *ffs_prev; - - /* the fix part (no wildcards) and the part containing the wildcards - * of the search path - */ - char_u *ffs_fix_path; -#ifdef FEAT_PATH_EXTRA - char_u *ffs_wc_path; -#endif - - /* files/dirs found in the above directory, matched by the first wildcard - * of wc_part - */ - char_u **ffs_filearray; - int ffs_filearray_size; - char_u ffs_filearray_cur; /* needed for partly handled dirs */ - - /* to store status of partly handled directories - * 0: we work on this directory for the first time - * 1: this directory was partly searched in an earlier step - */ - int ffs_stage; - - /* How deep are we in the directory tree? - * Counts backward from value of level parameter to vim_findfile_init - */ - int ffs_level; - - /* Did we already expand '**' to an empty string? */ - int ffs_star_star_empty; -} ff_stack_T; - -/* - * type for already visited directories or files. - */ -typedef struct ff_visited -{ - struct ff_visited *ffv_next; - -#ifdef FEAT_PATH_EXTRA - /* Visited directories are different if the wildcard string are - * different. So we have to save it. - */ - char_u *ffv_wc_path; -#endif - /* for unix use inode etc for comparison (needed because of links), else - * use filename. - */ -#ifdef UNIX - int ffv_dev_valid; /* ffv_dev and ffv_ino were set */ - dev_t ffv_dev; /* device number */ - ino_t ffv_ino; /* inode number */ -#endif - /* The memory for this struct is allocated according to the length of - * ffv_fname. - */ - char_u ffv_fname[1]; /* actually longer */ -} ff_visited_T; - -/* - * We might have to manage several visited lists during a search. - * This is especially needed for the tags option. If tags is set to: - * "./++/tags,./++/TAGS,++/tags" (replace + with *) - * So we have to do 3 searches: - * 1) search from the current files directory downward for the file "tags" - * 2) search from the current files directory downward for the file "TAGS" - * 3) search from Vims current directory downwards for the file "tags" - * As you can see, the first and the third search are for the same file, so for - * the third search we can use the visited list of the first search. For the - * second search we must start from a empty visited list. - * The struct ff_visited_list_hdr is used to manage a linked list of already - * visited lists. - */ -typedef struct ff_visited_list_hdr -{ - struct ff_visited_list_hdr *ffvl_next; - - /* the filename the attached visited list is for */ - char_u *ffvl_filename; - - ff_visited_T *ffvl_visited_list; - -} ff_visited_list_hdr_T; - - -/* - * '**' can be expanded to several directory levels. - * Set the default maximum depth. - */ -#define FF_MAX_STAR_STAR_EXPAND ((char_u)30) - -/* - * The search context: - * ffsc_stack_ptr: the stack for the dirs to search - * ffsc_visited_list: the currently active visited list - * ffsc_dir_visited_list: the currently active visited list for search dirs - * ffsc_visited_lists_list: the list of all visited lists - * ffsc_dir_visited_lists_list: the list of all visited lists for search dirs - * ffsc_file_to_search: the file to search for - * ffsc_start_dir: the starting directory, if search path was relative - * ffsc_fix_path: the fix part of the given path (without wildcards) - * Needed for upward search. - * ffsc_wc_path: the part of the given path containing wildcards - * ffsc_level: how many levels of dirs to search downwards - * ffsc_stopdirs_v: array of stop directories for upward search - * ffsc_find_what: FINDFILE_BOTH, FINDFILE_DIR or FINDFILE_FILE - * ffsc_tagfile: searching for tags file, don't use 'suffixesadd' - */ -typedef struct ff_search_ctx_T -{ - ff_stack_T *ffsc_stack_ptr; - ff_visited_list_hdr_T *ffsc_visited_list; - ff_visited_list_hdr_T *ffsc_dir_visited_list; - ff_visited_list_hdr_T *ffsc_visited_lists_list; - ff_visited_list_hdr_T *ffsc_dir_visited_lists_list; - char_u *ffsc_file_to_search; - char_u *ffsc_start_dir; - char_u *ffsc_fix_path; -#ifdef FEAT_PATH_EXTRA - char_u *ffsc_wc_path; - int ffsc_level; - char_u **ffsc_stopdirs_v; -#endif - int ffsc_find_what; - int ffsc_tagfile; -} ff_search_ctx_T; - -/* locally needed functions */ -#ifdef FEAT_PATH_EXTRA -static int ff_check_visited(ff_visited_T **, char_u *, char_u *); -#else -static int ff_check_visited(ff_visited_T **, char_u *); -#endif -static void vim_findfile_free_visited_list(ff_visited_list_hdr_T **list_headp); -static void ff_free_visited_list(ff_visited_T *vl); -static ff_visited_list_hdr_T* ff_get_visited_list(char_u *, ff_visited_list_hdr_T **list_headp); - -static void ff_push(ff_search_ctx_T *search_ctx, ff_stack_T *stack_ptr); -static ff_stack_T *ff_pop(ff_search_ctx_T *search_ctx); -static void ff_clear(ff_search_ctx_T *search_ctx); -static void ff_free_stack_element(ff_stack_T *stack_ptr); -#ifdef FEAT_PATH_EXTRA -static ff_stack_T *ff_create_stack_element(char_u *, char_u *, int, int); -#else -static ff_stack_T *ff_create_stack_element(char_u *, int, int); -#endif -#ifdef FEAT_PATH_EXTRA -static int ff_path_in_stoplist(char_u *, int, char_u **); -#endif - -static char_u e_pathtoolong[] = N_("E854: path too long for completion"); - -#if 0 -/* - * if someone likes findfirst/findnext, here are the functions - * NOT TESTED!! - */ - -static void *ff_fn_search_context = NULL; - - char_u * -vim_findfirst(char_u *path, char_u *filename, int level) -{ - ff_fn_search_context = - vim_findfile_init(path, filename, NULL, level, TRUE, FALSE, - ff_fn_search_context, rel_fname); - if (NULL == ff_fn_search_context) - return NULL; - else - return vim_findnext() -} - - char_u * -vim_findnext(void) -{ - char_u *ret = vim_findfile(ff_fn_search_context); - - if (NULL == ret) - { - vim_findfile_cleanup(ff_fn_search_context); - ff_fn_search_context = NULL; - } - return ret; -} -#endif - -/* - * Initialization routine for vim_findfile(). - * - * Returns the newly allocated search context or NULL if an error occurred. - * - * Don't forget to clean up by calling vim_findfile_cleanup() if you are done - * with the search context. - * - * Find the file 'filename' in the directory 'path'. - * The parameter 'path' may contain wildcards. If so only search 'level' - * directories deep. The parameter 'level' is the absolute maximum and is - * not related to restricts given to the '**' wildcard. If 'level' is 100 - * and you use '**200' vim_findfile() will stop after 100 levels. - * - * 'filename' cannot contain wildcards! It is used as-is, no backslashes to - * escape special characters. - * - * If 'stopdirs' is not NULL and nothing is found downward, the search is - * restarted on the next higher directory level. This is repeated until the - * start-directory of a search is contained in 'stopdirs'. 'stopdirs' has the - * format ";*<dirname>*\(;<dirname>\)*;\=$". - * - * If the 'path' is relative, the starting dir for the search is either VIM's - * current dir or if the path starts with "./" the current files dir. - * If the 'path' is absolute, the starting dir is that part of the path before - * the first wildcard. - * - * Upward search is only done on the starting dir. - * - * If 'free_visited' is TRUE the list of already visited files/directories is - * cleared. Set this to FALSE if you just want to search from another - * directory, but want to be sure that no directory from a previous search is - * searched again. This is useful if you search for a file at different places. - * The list of visited files/dirs can also be cleared with the function - * vim_findfile_free_visited(). - * - * Set the parameter 'find_what' to FINDFILE_DIR if you want to search for - * directories only, FINDFILE_FILE for files only, FINDFILE_BOTH for both. - * - * A search context returned by a previous call to vim_findfile_init() can be - * passed in the parameter "search_ctx_arg". This context is reused and - * reinitialized with the new parameters. The list of already visited - * directories from this context is only deleted if the parameter - * "free_visited" is true. Be aware that the passed "search_ctx_arg" is freed - * if the reinitialization fails. - * - * If you don't have a search context from a previous call "search_ctx_arg" - * must be NULL. - * - * This function silently ignores a few errors, vim_findfile() will have - * limited functionality then. - */ - void * -vim_findfile_init( - char_u *path, - char_u *filename, - char_u *stopdirs UNUSED, - int level, - int free_visited, - int find_what, - void *search_ctx_arg, - int tagfile, /* expanding names of tags files */ - char_u *rel_fname) /* file name to use for "." */ -{ -#ifdef FEAT_PATH_EXTRA - char_u *wc_part; -#endif - ff_stack_T *sptr; - ff_search_ctx_T *search_ctx; - - /* If a search context is given by the caller, reuse it, else allocate a - * new one. - */ - if (search_ctx_arg != NULL) - search_ctx = search_ctx_arg; - else - { - search_ctx = (ff_search_ctx_T*)alloc((unsigned)sizeof(ff_search_ctx_T)); - if (search_ctx == NULL) - goto error_return; - vim_memset(search_ctx, 0, sizeof(ff_search_ctx_T)); - } - search_ctx->ffsc_find_what = find_what; - search_ctx->ffsc_tagfile = tagfile; - - /* clear the search context, but NOT the visited lists */ - ff_clear(search_ctx); - - /* clear visited list if wanted */ - if (free_visited == TRUE) - vim_findfile_free_visited(search_ctx); - else - { - /* Reuse old visited lists. Get the visited list for the given - * filename. If no list for the current filename exists, creates a new - * one. */ - search_ctx->ffsc_visited_list = ff_get_visited_list(filename, - &search_ctx->ffsc_visited_lists_list); - if (search_ctx->ffsc_visited_list == NULL) - goto error_return; - search_ctx->ffsc_dir_visited_list = ff_get_visited_list(filename, - &search_ctx->ffsc_dir_visited_lists_list); - if (search_ctx->ffsc_dir_visited_list == NULL) - goto error_return; - } - - if (ff_expand_buffer == NULL) - { - ff_expand_buffer = (char_u*)alloc(MAXPATHL); - if (ff_expand_buffer == NULL) - goto error_return; - } - - /* Store information on starting dir now if path is relative. - * If path is absolute, we do that later. */ - if (path[0] == '.' - && (vim_ispathsep(path[1]) || path[1] == NUL) - && (!tagfile || vim_strchr(p_cpo, CPO_DOTTAG) == NULL) - && rel_fname != NULL) - { - int len = (int)(gettail(rel_fname) - rel_fname); - - if (!vim_isAbsName(rel_fname) && len + 1 < MAXPATHL) - { - /* Make the start dir an absolute path name. */ - vim_strncpy(ff_expand_buffer, rel_fname, len); - search_ctx->ffsc_start_dir = FullName_save(ff_expand_buffer, FALSE); - } - else - search_ctx->ffsc_start_dir = vim_strnsave(rel_fname, len); - if (search_ctx->ffsc_start_dir == NULL) - goto error_return; - if (*++path != NUL) - ++path; - } - else if (*path == NUL || !vim_isAbsName(path)) - { -#ifdef BACKSLASH_IN_FILENAME - /* "c:dir" needs "c:" to be expanded, otherwise use current dir */ - if (*path != NUL && path[1] == ':') - { - char_u drive[3]; - - drive[0] = path[0]; - drive[1] = ':'; - drive[2] = NUL; - if (vim_FullName(drive, ff_expand_buffer, MAXPATHL, TRUE) == FAIL) - goto error_return; - path += 2; - } - else -#endif - if (mch_dirname(ff_expand_buffer, MAXPATHL) == FAIL) - goto error_return; - - search_ctx->ffsc_start_dir = vim_strsave(ff_expand_buffer); - if (search_ctx->ffsc_start_dir == NULL) - goto error_return; - -#ifdef BACKSLASH_IN_FILENAME - /* A path that starts with "/dir" is relative to the drive, not to the - * directory (but not for "//machine/dir"). Only use the drive name. */ - if ((*path == '/' || *path == '\\') - && path[1] != path[0] - && search_ctx->ffsc_start_dir[1] == ':') - search_ctx->ffsc_start_dir[2] = NUL; -#endif - } - -#ifdef FEAT_PATH_EXTRA - /* - * If stopdirs are given, split them into an array of pointers. - * If this fails (mem allocation), there is no upward search at all or a - * stop directory is not recognized -> continue silently. - * If stopdirs just contains a ";" or is empty, - * search_ctx->ffsc_stopdirs_v will only contain a NULL pointer. This - * is handled as unlimited upward search. See function - * ff_path_in_stoplist() for details. - */ - if (stopdirs != NULL) - { - char_u *walker = stopdirs; - int dircount; - - while (*walker == ';') - walker++; - - dircount = 1; - search_ctx->ffsc_stopdirs_v = - (char_u **)alloc((unsigned)sizeof(char_u *)); - - if (search_ctx->ffsc_stopdirs_v != NULL) - { - do - { - char_u *helper; - void *ptr; - - helper = walker; - ptr = vim_realloc(search_ctx->ffsc_stopdirs_v, - (dircount + 1) * sizeof(char_u *)); - if (ptr) - search_ctx->ffsc_stopdirs_v = ptr; - else - /* ignore, keep what we have and continue */ - break; - walker = vim_strchr(walker, ';'); - if (walker) - { - search_ctx->ffsc_stopdirs_v[dircount-1] = - vim_strnsave(helper, (int)(walker - helper)); - walker++; - } - else - /* this might be "", which means ascent till top - * of directory tree. - */ - search_ctx->ffsc_stopdirs_v[dircount-1] = - vim_strsave(helper); - - dircount++; - - } while (walker != NULL); - search_ctx->ffsc_stopdirs_v[dircount-1] = NULL; - } - } -#endif - -#ifdef FEAT_PATH_EXTRA - search_ctx->ffsc_level = level; - - /* split into: - * -fix path - * -wildcard_stuff (might be NULL) - */ - wc_part = vim_strchr(path, '*'); - if (wc_part != NULL) - { - int llevel; - int len; - char *errpt; - - /* save the fix part of the path */ - search_ctx->ffsc_fix_path = vim_strnsave(path, (int)(wc_part - path)); - - /* - * copy wc_path and add restricts to the '**' wildcard. - * The octet after a '**' is used as a (binary) counter. - * So '**3' is transposed to '**^C' ('^C' is ASCII value 3) - * or '**76' is transposed to '**N'( 'N' is ASCII value 76). - * For EBCDIC you get different character values. - * If no restrict is given after '**' the default is used. - * Due to this technique the path looks awful if you print it as a - * string. - */ - len = 0; - while (*wc_part != NUL) - { - if (len + 5 >= MAXPATHL) - { - emsg(_(e_pathtoolong)); - break; - } - if (STRNCMP(wc_part, "**", 2) == 0) - { - ff_expand_buffer[len++] = *wc_part++; - ff_expand_buffer[len++] = *wc_part++; - - llevel = strtol((char *)wc_part, &errpt, 10); - if ((char_u *)errpt != wc_part && llevel > 0 && llevel < 255) - ff_expand_buffer[len++] = llevel; - else if ((char_u *)errpt != wc_part && llevel == 0) - /* restrict is 0 -> remove already added '**' */ - len -= 2; - else - ff_expand_buffer[len++] = FF_MAX_STAR_STAR_EXPAND; - wc_part = (char_u *)errpt; - if (*wc_part != NUL && !vim_ispathsep(*wc_part)) - { - semsg(_("E343: Invalid path: '**[number]' must be at the end of the path or be followed by '%s'."), PATHSEPSTR); - goto error_return; - } - } - else - ff_expand_buffer[len++] = *wc_part++; - } - ff_expand_buffer[len] = NUL; - search_ctx->ffsc_wc_path = vim_strsave(ff_expand_buffer); - - if (search_ctx->ffsc_wc_path == NULL) - goto error_return; - } - else -#endif - search_ctx->ffsc_fix_path = vim_strsave(path); - - if (search_ctx->ffsc_start_dir == NULL) - { - /* store the fix part as startdir. - * This is needed if the parameter path is fully qualified. - */ - search_ctx->ffsc_start_dir = vim_strsave(search_ctx->ffsc_fix_path); - if (search_ctx->ffsc_start_dir == NULL) - goto error_return; - search_ctx->ffsc_fix_path[0] = NUL; - } - - /* create an absolute path */ - if (STRLEN(search_ctx->ffsc_start_dir) - + STRLEN(search_ctx->ffsc_fix_path) + 3 >= MAXPATHL) - { - emsg(_(e_pathtoolong)); - goto error_return; - } - STRCPY(ff_expand_buffer, search_ctx->ffsc_start_dir); - add_pathsep(ff_expand_buffer); - { - int eb_len = (int)STRLEN(ff_expand_buffer); - char_u *buf = alloc(eb_len - + (int)STRLEN(search_ctx->ffsc_fix_path) + 1); - - STRCPY(buf, ff_expand_buffer); - STRCPY(buf + eb_len, search_ctx->ffsc_fix_path); - if (mch_isdir(buf)) - { - STRCAT(ff_expand_buffer, search_ctx->ffsc_fix_path); - add_pathsep(ff_expand_buffer); - } -#ifdef FEAT_PATH_EXTRA - else - { - char_u *p = gettail(search_ctx->ffsc_fix_path); - char_u *wc_path = NULL; - char_u *temp = NULL; - int len = 0; - - if (p > search_ctx->ffsc_fix_path) - { - len = (int)(p - search_ctx->ffsc_fix_path) - 1; - STRNCAT(ff_expand_buffer, search_ctx->ffsc_fix_path, len); - add_pathsep(ff_expand_buffer); - } - else - len = (int)STRLEN(search_ctx->ffsc_fix_path); - - if (search_ctx->ffsc_wc_path != NULL) - { - wc_path = vim_strsave(search_ctx->ffsc_wc_path); - temp = alloc((int)(STRLEN(search_ctx->ffsc_wc_path) - + STRLEN(search_ctx->ffsc_fix_path + len) - + 1)); - if (temp == NULL || wc_path == NULL) - { - vim_free(buf); - vim_free(temp); - vim_free(wc_path); - goto error_return; - } - - STRCPY(temp, search_ctx->ffsc_fix_path + len); - STRCAT(temp, search_ctx->ffsc_wc_path); - vim_free(search_ctx->ffsc_wc_path); - vim_free(wc_path); - search_ctx->ffsc_wc_path = temp; - } - } -#endif - vim_free(buf); - } - - sptr = ff_create_stack_element(ff_expand_buffer, -#ifdef FEAT_PATH_EXTRA - search_ctx->ffsc_wc_path, -#endif - level, 0); - - if (sptr == NULL) - goto error_return; - - ff_push(search_ctx, sptr); - - search_ctx->ffsc_file_to_search = vim_strsave(filename); - if (search_ctx->ffsc_file_to_search == NULL) - goto error_return; - - return search_ctx; - -error_return: - /* - * We clear the search context now! - * Even when the caller gave us a (perhaps valid) context we free it here, - * as we might have already destroyed it. - */ - vim_findfile_cleanup(search_ctx); - return NULL; -} - -#if defined(FEAT_PATH_EXTRA) || defined(PROTO) -/* - * Get the stopdir string. Check that ';' is not escaped. - */ - char_u * -vim_findfile_stopdir(char_u *buf) -{ - char_u *r_ptr = buf; - - while (*r_ptr != NUL && *r_ptr != ';') - { - if (r_ptr[0] == '\\' && r_ptr[1] == ';') - { - /* Overwrite the escape char, - * use STRLEN(r_ptr) to move the trailing '\0'. */ - STRMOVE(r_ptr, r_ptr + 1); - r_ptr++; - } - r_ptr++; - } - if (*r_ptr == ';') - { - *r_ptr = 0; - r_ptr++; - } - else if (*r_ptr == NUL) - r_ptr = NULL; - return r_ptr; -} -#endif - -/* - * Clean up the given search context. Can handle a NULL pointer. - */ - void -vim_findfile_cleanup(void *ctx) -{ - if (ctx == NULL) - return; - - vim_findfile_free_visited(ctx); - ff_clear(ctx); - vim_free(ctx); -} - -/* - * Find a file in a search context. - * The search context was created with vim_findfile_init() above. - * Return a pointer to an allocated file name or NULL if nothing found. - * To get all matching files call this function until you get NULL. - * - * If the passed search_context is NULL, NULL is returned. - * - * The search algorithm is depth first. To change this replace the - * stack with a list (don't forget to leave partly searched directories on the - * top of the list). - */ - char_u * -vim_findfile(void *search_ctx_arg) -{ - char_u *file_path; -#ifdef FEAT_PATH_EXTRA - char_u *rest_of_wildcards; - char_u *path_end = NULL; -#endif - ff_stack_T *stackp; -#if defined(FEAT_SEARCHPATH) || defined(FEAT_PATH_EXTRA) - int len; -#endif - int i; - char_u *p; -#ifdef FEAT_SEARCHPATH - char_u *suf; -#endif - ff_search_ctx_T *search_ctx; - - if (search_ctx_arg == NULL) - return NULL; - - search_ctx = (ff_search_ctx_T *)search_ctx_arg; - - /* - * filepath is used as buffer for various actions and as the storage to - * return a found filename. - */ - if ((file_path = alloc((int)MAXPATHL)) == NULL) - return NULL; - -#ifdef FEAT_PATH_EXTRA - /* store the end of the start dir -- needed for upward search */ - if (search_ctx->ffsc_start_dir != NULL) - path_end = &search_ctx->ffsc_start_dir[ - STRLEN(search_ctx->ffsc_start_dir)]; -#endif - -#ifdef FEAT_PATH_EXTRA - /* upward search loop */ - for (;;) - { -#endif - /* downward search loop */ - for (;;) - { - /* check if user user wants to stop the search*/ - ui_breakcheck(); - if (got_int) - break; - - /* get directory to work on from stack */ - stackp = ff_pop(search_ctx); - if (stackp == NULL) - break; - - /* - * TODO: decide if we leave this test in - * - * GOOD: don't search a directory(-tree) twice. - * BAD: - check linked list for every new directory entered. - * - check for double files also done below - * - * Here we check if we already searched this directory. - * We already searched a directory if: - * 1) The directory is the same. - * 2) We would use the same wildcard string. - * - * Good if you have links on same directory via several ways - * or you have selfreferences in directories (e.g. SuSE Linux 6.3: - * /etc/rc.d/init.d is linked to /etc/rc.d -> endless loop) - * - * This check is only needed for directories we work on for the - * first time (hence stackp->ff_filearray == NULL) - */ - if (stackp->ffs_filearray == NULL - && ff_check_visited(&search_ctx->ffsc_dir_visited_list - ->ffvl_visited_list, - stackp->ffs_fix_path -#ifdef FEAT_PATH_EXTRA - , stackp->ffs_wc_path -#endif - ) == FAIL) - { -#ifdef FF_VERBOSE - if (p_verbose >= 5) - { - verbose_enter_scroll(); - smsg("Already Searched: %s (%s)", - stackp->ffs_fix_path, stackp->ffs_wc_path); - /* don't overwrite this either */ - msg_puts("\n"); - verbose_leave_scroll(); - } -#endif - ff_free_stack_element(stackp); - continue; - } -#ifdef FF_VERBOSE - else if (p_verbose >= 5) - { - verbose_enter_scroll(); - smsg("Searching: %s (%s)", - stackp->ffs_fix_path, stackp->ffs_wc_path); - /* don't overwrite this either */ - msg_puts("\n"); - verbose_leave_scroll(); - } -#endif - - /* check depth */ - if (stackp->ffs_level <= 0) - { - ff_free_stack_element(stackp); - continue; - } - - file_path[0] = NUL; - - /* - * If no filearray till now expand wildcards - * The function expand_wildcards() can handle an array of paths - * and all possible expands are returned in one array. We use this - * to handle the expansion of '**' into an empty string. - */ - if (stackp->ffs_filearray == NULL) - { - char_u *dirptrs[2]; - - /* we use filepath to build the path expand_wildcards() should - * expand. - */ - dirptrs[0] = file_path; - dirptrs[1] = NULL; - - /* if we have a start dir copy it in */ - if (!vim_isAbsName(stackp->ffs_fix_path) - && search_ctx->ffsc_start_dir) - { - if (STRLEN(search_ctx->ffsc_start_dir) + 1 < MAXPATHL) - { - STRCPY(file_path, search_ctx->ffsc_start_dir); - add_pathsep(file_path); - } - else - { - ff_free_stack_element(stackp); - goto fail; - } - } - - /* append the fix part of the search path */ - if (STRLEN(file_path) + STRLEN(stackp->ffs_fix_path) + 1 < MAXPATHL) - { - STRCAT(file_path, stackp->ffs_fix_path); - add_pathsep(file_path); - } - else - { - ff_free_stack_element(stackp); - goto fail; - } - -#ifdef FEAT_PATH_EXTRA - rest_of_wildcards = stackp->ffs_wc_path; - if (*rest_of_wildcards != NUL) - { - len = (int)STRLEN(file_path); - if (STRNCMP(rest_of_wildcards, "**", 2) == 0) - { - /* pointer to the restrict byte - * The restrict byte is not a character! - */ - p = rest_of_wildcards + 2; - - if (*p > 0) - { - (*p)--; - if (len + 1 < MAXPATHL) - file_path[len++] = '*'; - else - { - ff_free_stack_element(stackp); - goto fail; - } - } - - if (*p == 0) - { - /* remove '**<numb> from wildcards */ - STRMOVE(rest_of_wildcards, rest_of_wildcards + 3); - } - else - rest_of_wildcards += 3; - - if (stackp->ffs_star_star_empty == 0) - { - /* if not done before, expand '**' to empty */ - stackp->ffs_star_star_empty = 1; - dirptrs[1] = stackp->ffs_fix_path; - } - } - - /* - * Here we copy until the next path separator or the end of - * the path. If we stop at a path separator, there is - * still something else left. This is handled below by - * pushing every directory returned from expand_wildcards() - * on the stack again for further search. - */ - while (*rest_of_wildcards - && !vim_ispathsep(*rest_of_wildcards)) - if (len + 1 < MAXPATHL) - file_path[len++] = *rest_of_wildcards++; - else - { - ff_free_stack_element(stackp); - goto fail; - } - - file_path[len] = NUL; - if (vim_ispathsep(*rest_of_wildcards)) - rest_of_wildcards++; - } -#endif - - /* - * Expand wildcards like "*" and "$VAR". - * If the path is a URL don't try this. - */ - if (path_with_url(dirptrs[0])) - { - stackp->ffs_filearray = (char_u **) - alloc((unsigned)sizeof(char *)); - if (stackp->ffs_filearray != NULL - && (stackp->ffs_filearray[0] - = vim_strsave(dirptrs[0])) != NULL) - stackp->ffs_filearray_size = 1; - else - stackp->ffs_filearray_size = 0; - } - else - /* Add EW_NOTWILD because the expanded path may contain - * wildcard characters that are to be taken literally. - * This is a bit of a hack. */ - expand_wildcards((dirptrs[1] == NULL) ? 1 : 2, dirptrs, - &stackp->ffs_filearray_size, - &stackp->ffs_filearray, - EW_DIR|EW_ADDSLASH|EW_SILENT|EW_NOTWILD); - - stackp->ffs_filearray_cur = 0; - stackp->ffs_stage = 0; - } -#ifdef FEAT_PATH_EXTRA - else - rest_of_wildcards = &stackp->ffs_wc_path[ - STRLEN(stackp->ffs_wc_path)]; -#endif - - if (stackp->ffs_stage == 0) - { - /* this is the first time we work on this directory */ -#ifdef FEAT_PATH_EXTRA - if (*rest_of_wildcards == NUL) -#endif - { - /* - * We don't have further wildcards to expand, so we have to - * check for the final file now. - */ - for (i = stackp->ffs_filearray_cur; - i < stackp->ffs_filearray_size; ++i) - { - if (!path_with_url(stackp->ffs_filearray[i]) - && !mch_isdir(stackp->ffs_filearray[i])) - continue; /* not a directory */ - - /* prepare the filename to be checked for existence - * below */ - if (STRLEN(stackp->ffs_filearray[i]) + 1 - + STRLEN(search_ctx->ffsc_file_to_search) < MAXPATHL) - { - STRCPY(file_path, stackp->ffs_filearray[i]); - add_pathsep(file_path); - STRCAT(file_path, search_ctx->ffsc_file_to_search); - } - else - { - ff_free_stack_element(stackp); - goto fail; - } - - /* - * Try without extra suffix and then with suffixes - * from 'suffixesadd'. - */ -#ifdef FEAT_SEARCHPATH - len = (int)STRLEN(file_path); - if (search_ctx->ffsc_tagfile) - suf = (char_u *)""; - else - suf = curbuf->b_p_sua; - for (;;) -#endif - { - /* if file exists and we didn't already find it */ - if ((path_with_url(file_path) - || (mch_getperm(file_path) >= 0 - && (search_ctx->ffsc_find_what - == FINDFILE_BOTH - || ((search_ctx->ffsc_find_what - == FINDFILE_DIR) - == mch_isdir(file_path))))) -#ifndef FF_VERBOSE - && (ff_check_visited( - &search_ctx->ffsc_visited_list->ffvl_visited_list, - file_path -#ifdef FEAT_PATH_EXTRA - , (char_u *)"" -#endif - ) == OK) -#endif - ) - { -#ifdef FF_VERBOSE - if (ff_check_visited( - &search_ctx->ffsc_visited_list->ffvl_visited_list, - file_path -#ifdef FEAT_PATH_EXTRA - , (char_u *)"" -#endif - ) == FAIL) - { - if (p_verbose >= 5) - { - verbose_enter_scroll(); - smsg("Already: %s", - file_path); - /* don't overwrite this either */ - msg_puts("\n"); - verbose_leave_scroll(); - } - continue; - } -#endif - - /* push dir to examine rest of subdirs later */ - stackp->ffs_filearray_cur = i + 1; - ff_push(search_ctx, stackp); - - if (!path_with_url(file_path)) - simplify_filename(file_path); - if (mch_dirname(ff_expand_buffer, MAXPATHL) - == OK) - { - p = shorten_fname(file_path, - ff_expand_buffer); - if (p != NULL) - STRMOVE(file_path, p); - } -#ifdef FF_VERBOSE - if (p_verbose >= 5) - { - verbose_enter_scroll(); - smsg("HIT: %s", file_path); - /* don't overwrite this either */ - msg_puts("\n"); - verbose_leave_scroll(); - } -#endif - return file_path; - } - -#ifdef FEAT_SEARCHPATH - /* Not found or found already, try next suffix. */ - if (*suf == NUL) - break; - copy_option_part(&suf, file_path + len, - MAXPATHL - len, ","); -#endif - } - } - } -#ifdef FEAT_PATH_EXTRA - else - { - /* - * still wildcards left, push the directories for further - * search - */ - for (i = stackp->ffs_filearray_cur; - i < stackp->ffs_filearray_size; ++i) - { - if (!mch_isdir(stackp->ffs_filearray[i])) - continue; /* not a directory */ - - ff_push(search_ctx, - ff_create_stack_element( - stackp->ffs_filearray[i], - rest_of_wildcards, - stackp->ffs_level - 1, 0)); - } - } -#endif - stackp->ffs_filearray_cur = 0; - stackp->ffs_stage = 1; - } - -#ifdef FEAT_PATH_EXTRA - /* - * if wildcards contains '**' we have to descent till we reach the - * leaves of the directory tree. - */ - if (STRNCMP(stackp->ffs_wc_path, "**", 2) == 0) - { - for (i = stackp->ffs_filearray_cur; - i < stackp->ffs_filearray_size; ++i) - { - if (fnamecmp(stackp->ffs_filearray[i], - stackp->ffs_fix_path) == 0) - continue; /* don't repush same directory */ - if (!mch_isdir(stackp->ffs_filearray[i])) - continue; /* not a directory */ - ff_push(search_ctx, - ff_create_stack_element(stackp->ffs_filearray[i], - stackp->ffs_wc_path, stackp->ffs_level - 1, 1)); - } - } -#endif - - /* we are done with the current directory */ - ff_free_stack_element(stackp); - - } - -#ifdef FEAT_PATH_EXTRA - /* If we reached this, we didn't find anything downwards. - * Let's check if we should do an upward search. - */ - if (search_ctx->ffsc_start_dir - && search_ctx->ffsc_stopdirs_v != NULL && !got_int) - { - ff_stack_T *sptr; - - /* is the last starting directory in the stop list? */ - if (ff_path_in_stoplist(search_ctx->ffsc_start_dir, - (int)(path_end - search_ctx->ffsc_start_dir), - search_ctx->ffsc_stopdirs_v) == TRUE) - break; - - /* cut of last dir */ - while (path_end > search_ctx->ffsc_start_dir - && vim_ispathsep(*path_end)) - path_end--; - while (path_end > search_ctx->ffsc_start_dir - && !vim_ispathsep(path_end[-1])) - path_end--; - *path_end = 0; - path_end--; - - if (*search_ctx->ffsc_start_dir == 0) - break; - - if (STRLEN(search_ctx->ffsc_start_dir) + 1 - + STRLEN(search_ctx->ffsc_fix_path) < MAXPATHL) - { - STRCPY(file_path, search_ctx->ffsc_start_dir); - add_pathsep(file_path); - STRCAT(file_path, search_ctx->ffsc_fix_path); - } - else - goto fail; - - /* create a new stack entry */ - sptr = ff_create_stack_element(file_path, - search_ctx->ffsc_wc_path, search_ctx->ffsc_level, 0); - if (sptr == NULL) - break; - ff_push(search_ctx, sptr); - } - else - break; - } -#endif - -fail: - vim_free(file_path); - return NULL; -} - -/* - * Free the list of lists of visited files and directories - * Can handle it if the passed search_context is NULL; - */ - void -vim_findfile_free_visited(void *search_ctx_arg) -{ - ff_search_ctx_T *search_ctx; - - if (search_ctx_arg == NULL) - return; - - search_ctx = (ff_search_ctx_T *)search_ctx_arg; - vim_findfile_free_visited_list(&search_ctx->ffsc_visited_lists_list); - vim_findfile_free_visited_list(&search_ctx->ffsc_dir_visited_lists_list); -} - - static void -vim_findfile_free_visited_list(ff_visited_list_hdr_T **list_headp) -{ - ff_visited_list_hdr_T *vp; - - while (*list_headp != NULL) - { - vp = (*list_headp)->ffvl_next; - ff_free_visited_list((*list_headp)->ffvl_visited_list); - - vim_free((*list_headp)->ffvl_filename); - vim_free(*list_headp); - *list_headp = vp; - } - *list_headp = NULL; -} - - static void -ff_free_visited_list(ff_visited_T *vl) -{ - ff_visited_T *vp; - - while (vl != NULL) - { - vp = vl->ffv_next; -#ifdef FEAT_PATH_EXTRA - vim_free(vl->ffv_wc_path); -#endif - vim_free(vl); - vl = vp; - } - vl = NULL; -} - -/* - * Returns the already visited list for the given filename. If none is found it - * allocates a new one. - */ - static ff_visited_list_hdr_T* -ff_get_visited_list( - char_u *filename, - ff_visited_list_hdr_T **list_headp) -{ - ff_visited_list_hdr_T *retptr = NULL; - - /* check if a visited list for the given filename exists */ - if (*list_headp != NULL) - { - retptr = *list_headp; - while (retptr != NULL) - { - if (fnamecmp(filename, retptr->ffvl_filename) == 0) - { -#ifdef FF_VERBOSE - if (p_verbose >= 5) - { - verbose_enter_scroll(); - smsg("ff_get_visited_list: FOUND list for %s", - filename); - /* don't overwrite this either */ - msg_puts("\n"); - verbose_leave_scroll(); - } -#endif - return retptr; - } - retptr = retptr->ffvl_next; - } - } - -#ifdef FF_VERBOSE - if (p_verbose >= 5) - { - verbose_enter_scroll(); - smsg("ff_get_visited_list: new list for %s", filename); - /* don't overwrite this either */ - msg_puts("\n"); - verbose_leave_scroll(); - } -#endif - - /* - * if we reach this we didn't find a list and we have to allocate new list - */ - retptr = (ff_visited_list_hdr_T*)alloc((unsigned)sizeof(*retptr)); - if (retptr == NULL) - return NULL; - - retptr->ffvl_visited_list = NULL; - retptr->ffvl_filename = vim_strsave(filename); - if (retptr->ffvl_filename == NULL) - { - vim_free(retptr); - return NULL; - } - retptr->ffvl_next = *list_headp; - *list_headp = retptr; - - return retptr; -} - -#ifdef FEAT_PATH_EXTRA -/* - * check if two wildcard paths are equal. Returns TRUE or FALSE. - * They are equal if: - * - both paths are NULL - * - they have the same length - * - char by char comparison is OK - * - the only differences are in the counters behind a '**', so - * '**\20' is equal to '**\24' - */ - static int -ff_wc_equal(char_u *s1, char_u *s2) -{ - int i, j; - int c1 = NUL; - int c2 = NUL; - int prev1 = NUL; - int prev2 = NUL; - - if (s1 == s2) - return TRUE; - - if (s1 == NULL || s2 == NULL) - return FALSE; - - for (i = 0, j = 0; s1[i] != NUL && s2[j] != NUL;) - { - c1 = PTR2CHAR(s1 + i); - c2 = PTR2CHAR(s2 + j); - - if ((p_fic ? MB_TOLOWER(c1) != MB_TOLOWER(c2) : c1 != c2) - && (prev1 != '*' || prev2 != '*')) - return FALSE; - prev2 = prev1; - prev1 = c1; - - i += MB_PTR2LEN(s1 + i); - j += MB_PTR2LEN(s2 + j); - } - return s1[i] == s2[j]; -} -#endif - -/* - * maintains the list of already visited files and dirs - * returns FAIL if the given file/dir is already in the list - * returns OK if it is newly added - * - * TODO: What to do on memory allocation problems? - * -> return TRUE - Better the file is found several times instead of - * never. - */ - static int -ff_check_visited( - ff_visited_T **visited_list, - char_u *fname -#ifdef FEAT_PATH_EXTRA - , char_u *wc_path -#endif - ) -{ - ff_visited_T *vp; -#ifdef UNIX - stat_T st; - int url = FALSE; -#endif - - /* For an URL we only compare the name, otherwise we compare the - * device/inode (unix) or the full path name (not Unix). */ - if (path_with_url(fname)) - { - vim_strncpy(ff_expand_buffer, fname, MAXPATHL - 1); -#ifdef UNIX - url = TRUE; -#endif - } - else - { - ff_expand_buffer[0] = NUL; -#ifdef UNIX - if (mch_stat((char *)fname, &st) < 0) -#else - if (vim_FullName(fname, ff_expand_buffer, MAXPATHL, TRUE) == FAIL) -#endif - return FAIL; - } - - /* check against list of already visited files */ - for (vp = *visited_list; vp != NULL; vp = vp->ffv_next) - { - if ( -#ifdef UNIX - !url ? (vp->ffv_dev_valid && vp->ffv_dev == st.st_dev - && vp->ffv_ino == st.st_ino) - : -#endif - fnamecmp(vp->ffv_fname, ff_expand_buffer) == 0 - ) - { -#ifdef FEAT_PATH_EXTRA - /* are the wildcard parts equal */ - if (ff_wc_equal(vp->ffv_wc_path, wc_path) == TRUE) -#endif - /* already visited */ - return FAIL; - } - } - - /* - * New file/dir. Add it to the list of visited files/dirs. - */ - vp = (ff_visited_T *)alloc((unsigned)(sizeof(ff_visited_T) - + STRLEN(ff_expand_buffer))); - - if (vp != NULL) - { -#ifdef UNIX - if (!url) - { - vp->ffv_dev_valid = TRUE; - vp->ffv_ino = st.st_ino; - vp->ffv_dev = st.st_dev; - vp->ffv_fname[0] = NUL; - } - else - { - vp->ffv_dev_valid = FALSE; -#endif - STRCPY(vp->ffv_fname, ff_expand_buffer); -#ifdef UNIX - } -#endif -#ifdef FEAT_PATH_EXTRA - if (wc_path != NULL) - vp->ffv_wc_path = vim_strsave(wc_path); - else - vp->ffv_wc_path = NULL; -#endif - - vp->ffv_next = *visited_list; - *visited_list = vp; - } - - return OK; -} - -/* - * create stack element from given path pieces - */ - static ff_stack_T * -ff_create_stack_element( - char_u *fix_part, -#ifdef FEAT_PATH_EXTRA - char_u *wc_part, -#endif - int level, - int star_star_empty) -{ - ff_stack_T *new; - - new = (ff_stack_T *)alloc((unsigned)sizeof(ff_stack_T)); - if (new == NULL) - return NULL; - - new->ffs_prev = NULL; - new->ffs_filearray = NULL; - new->ffs_filearray_size = 0; - new->ffs_filearray_cur = 0; - new->ffs_stage = 0; - new->ffs_level = level; - new->ffs_star_star_empty = star_star_empty; - - /* the following saves NULL pointer checks in vim_findfile */ - if (fix_part == NULL) - fix_part = (char_u *)""; - new->ffs_fix_path = vim_strsave(fix_part); - -#ifdef FEAT_PATH_EXTRA - if (wc_part == NULL) - wc_part = (char_u *)""; - new->ffs_wc_path = vim_strsave(wc_part); -#endif - - if (new->ffs_fix_path == NULL -#ifdef FEAT_PATH_EXTRA - || new->ffs_wc_path == NULL -#endif - ) - { - ff_free_stack_element(new); - new = NULL; - } - - return new; -} - -/* - * Push a dir on the directory stack. - */ - static void -ff_push(ff_search_ctx_T *search_ctx, ff_stack_T *stack_ptr) -{ - /* check for NULL pointer, not to return an error to the user, but - * to prevent a crash */ - if (stack_ptr != NULL) - { - stack_ptr->ffs_prev = search_ctx->ffsc_stack_ptr; - search_ctx->ffsc_stack_ptr = stack_ptr; - } -} - -/* - * Pop a dir from the directory stack. - * Returns NULL if stack is empty. - */ - static ff_stack_T * -ff_pop(ff_search_ctx_T *search_ctx) -{ - ff_stack_T *sptr; - - sptr = search_ctx->ffsc_stack_ptr; - if (search_ctx->ffsc_stack_ptr != NULL) - search_ctx->ffsc_stack_ptr = search_ctx->ffsc_stack_ptr->ffs_prev; - - return sptr; -} - -/* - * free the given stack element - */ - static void -ff_free_stack_element(ff_stack_T *stack_ptr) -{ - /* vim_free handles possible NULL pointers */ - vim_free(stack_ptr->ffs_fix_path); -#ifdef FEAT_PATH_EXTRA - vim_free(stack_ptr->ffs_wc_path); -#endif - - if (stack_ptr->ffs_filearray != NULL) - FreeWild(stack_ptr->ffs_filearray_size, stack_ptr->ffs_filearray); - - vim_free(stack_ptr); -} - -/* - * Clear the search context, but NOT the visited list. - */ - static void -ff_clear(ff_search_ctx_T *search_ctx) -{ - ff_stack_T *sptr; - - /* clear up stack */ - while ((sptr = ff_pop(search_ctx)) != NULL) - ff_free_stack_element(sptr); - - vim_free(search_ctx->ffsc_file_to_search); - vim_free(search_ctx->ffsc_start_dir); - vim_free(search_ctx->ffsc_fix_path); -#ifdef FEAT_PATH_EXTRA - vim_free(search_ctx->ffsc_wc_path); -#endif - -#ifdef FEAT_PATH_EXTRA - if (search_ctx->ffsc_stopdirs_v != NULL) - { - int i = 0; - - while (search_ctx->ffsc_stopdirs_v[i] != NULL) - { - vim_free(search_ctx->ffsc_stopdirs_v[i]); - i++; - } - vim_free(search_ctx->ffsc_stopdirs_v); - } - search_ctx->ffsc_stopdirs_v = NULL; -#endif - - /* reset everything */ - search_ctx->ffsc_file_to_search = NULL; - search_ctx->ffsc_start_dir = NULL; - search_ctx->ffsc_fix_path = NULL; -#ifdef FEAT_PATH_EXTRA - search_ctx->ffsc_wc_path = NULL; - search_ctx->ffsc_level = 0; -#endif -} - -#ifdef FEAT_PATH_EXTRA -/* - * check if the given path is in the stopdirs - * returns TRUE if yes else FALSE - */ - static int -ff_path_in_stoplist(char_u *path, int path_len, char_u **stopdirs_v) -{ - int i = 0; - - /* eat up trailing path separators, except the first */ - while (path_len > 1 && vim_ispathsep(path[path_len - 1])) - path_len--; - - /* if no path consider it as match */ - if (path_len == 0) - return TRUE; - - for (i = 0; stopdirs_v[i] != NULL; i++) - { - if ((int)STRLEN(stopdirs_v[i]) > path_len) - { - /* match for parent directory. So '/home' also matches - * '/home/rks'. Check for PATHSEP in stopdirs_v[i], else - * '/home/r' would also match '/home/rks' - */ - if (fnamencmp(stopdirs_v[i], path, path_len) == 0 - && vim_ispathsep(stopdirs_v[i][path_len])) - return TRUE; - } - else - { - if (fnamecmp(stopdirs_v[i], path) == 0) - return TRUE; - } - } - return FALSE; -} -#endif - -#if defined(FEAT_SEARCHPATH) || defined(PROTO) -/* - * Find the file name "ptr[len]" in the path. Also finds directory names. - * - * On the first call set the parameter 'first' to TRUE to initialize - * the search. For repeating calls to FALSE. - * - * Repeating calls will return other files called 'ptr[len]' from the path. - * - * Only on the first call 'ptr' and 'len' are used. For repeating calls they - * don't need valid values. - * - * If nothing found on the first call the option FNAME_MESS will issue the - * message: - * 'Can't find file "<file>" in path' - * On repeating calls: - * 'No more file "<file>" found in path' - * - * options: - * FNAME_MESS give error message when not found - * - * Uses NameBuff[]! - * - * Returns an allocated string for the file name. NULL for error. - * - */ - char_u * -find_file_in_path( - char_u *ptr, /* file name */ - int len, /* length of file name */ - int options, - int first, /* use count'th matching file name */ - char_u *rel_fname) /* file name searching relative to */ -{ - return find_file_in_path_option(ptr, len, options, first, - *curbuf->b_p_path == NUL ? p_path : curbuf->b_p_path, - FINDFILE_BOTH, rel_fname, curbuf->b_p_sua); -} - -static char_u *ff_file_to_find = NULL; -static void *fdip_search_ctx = NULL; - -#if defined(EXITFREE) - static void -free_findfile(void) -{ - vim_free(ff_file_to_find); - vim_findfile_cleanup(fdip_search_ctx); -} -#endif - -/* - * Find the directory name "ptr[len]" in the path. - * - * options: - * FNAME_MESS give error message when not found - * FNAME_UNESC unescape backslashes. - * - * Uses NameBuff[]! - * - * Returns an allocated string for the file name. NULL for error. - */ - char_u * -find_directory_in_path( - char_u *ptr, /* file name */ - int len, /* length of file name */ - int options, - char_u *rel_fname) /* file name searching relative to */ -{ - return find_file_in_path_option(ptr, len, options, TRUE, p_cdpath, - FINDFILE_DIR, rel_fname, (char_u *)""); -} - - char_u * -find_file_in_path_option( - char_u *ptr, /* file name */ - int len, /* length of file name */ - int options, - int first, /* use count'th matching file name */ - char_u *path_option, /* p_path or p_cdpath */ - int find_what, /* FINDFILE_FILE, _DIR or _BOTH */ - char_u *rel_fname, /* file name we are looking relative to. */ - char_u *suffixes) /* list of suffixes, 'suffixesadd' option */ -{ - static char_u *dir; - static int did_findfile_init = FALSE; - char_u save_char; - char_u *file_name = NULL; - char_u *buf = NULL; - int rel_to_curdir; -#ifdef AMIGA - struct Process *proc = (struct Process *)FindTask(0L); - APTR save_winptr = proc->pr_WindowPtr; - - /* Avoid a requester here for a volume that doesn't exist. */ - proc->pr_WindowPtr = (APTR)-1L; -#endif - - if (first == TRUE) - { - /* copy file name into NameBuff, expanding environment variables */ - save_char = ptr[len]; - ptr[len] = NUL; - expand_env_esc(ptr, NameBuff, MAXPATHL, FALSE, TRUE, NULL); - ptr[len] = save_char; - - vim_free(ff_file_to_find); - ff_file_to_find = vim_strsave(NameBuff); - if (ff_file_to_find == NULL) /* out of memory */ - { - file_name = NULL; - goto theend; - } - if (options & FNAME_UNESC) - { - /* Change all "\ " to " ". */ - for (ptr = ff_file_to_find; *ptr != NUL; ++ptr) - if (ptr[0] == '\\' && ptr[1] == ' ') - mch_memmove(ptr, ptr + 1, STRLEN(ptr)); - } - } - - rel_to_curdir = (ff_file_to_find[0] == '.' - && (ff_file_to_find[1] == NUL - || vim_ispathsep(ff_file_to_find[1]) - || (ff_file_to_find[1] == '.' - && (ff_file_to_find[2] == NUL - || vim_ispathsep(ff_file_to_find[2]))))); - if (vim_isAbsName(ff_file_to_find) - /* "..", "../path", "." and "./path": don't use the path_option */ - || rel_to_curdir -#if defined(MSWIN) - /* handle "\tmp" as absolute path */ - || vim_ispathsep(ff_file_to_find[0]) - /* handle "c:name" as absolute path */ - || (ff_file_to_find[0] != NUL && ff_file_to_find[1] == ':') -#endif -#ifdef AMIGA - /* handle ":tmp" as absolute path */ - || ff_file_to_find[0] == ':' -#endif - ) - { - /* - * Absolute path, no need to use "path_option". - * If this is not a first call, return NULL. We already returned a - * filename on the first call. - */ - if (first == TRUE) - { - int l; - int run; - - if (path_with_url(ff_file_to_find)) - { - file_name = vim_strsave(ff_file_to_find); - goto theend; - } - - /* When FNAME_REL flag given first use the directory of the file. - * Otherwise or when this fails use the current directory. */ - for (run = 1; run <= 2; ++run) - { - l = (int)STRLEN(ff_file_to_find); - if (run == 1 - && rel_to_curdir - && (options & FNAME_REL) - && rel_fname != NULL - && STRLEN(rel_fname) + l < MAXPATHL) - { - STRCPY(NameBuff, rel_fname); - STRCPY(gettail(NameBuff), ff_file_to_find); - l = (int)STRLEN(NameBuff); - } - else - { - STRCPY(NameBuff, ff_file_to_find); - run = 2; - } - - /* When the file doesn't exist, try adding parts of - * 'suffixesadd'. */ - buf = suffixes; - for (;;) - { - if (mch_getperm(NameBuff) >= 0 - && (find_what == FINDFILE_BOTH - || ((find_what == FINDFILE_DIR) - == mch_isdir(NameBuff)))) - { - file_name = vim_strsave(NameBuff); - goto theend; - } - if (*buf == NUL) - break; - copy_option_part(&buf, NameBuff + l, MAXPATHL - l, ","); - } - } - } - } - else - { - /* - * Loop over all paths in the 'path' or 'cdpath' option. - * When "first" is set, first setup to the start of the option. - * Otherwise continue to find the next match. - */ - if (first == TRUE) - { - /* vim_findfile_free_visited can handle a possible NULL pointer */ - vim_findfile_free_visited(fdip_search_ctx); - dir = path_option; - did_findfile_init = FALSE; - } - - for (;;) - { - if (did_findfile_init) - { - file_name = vim_findfile(fdip_search_ctx); - if (file_name != NULL) - break; - - did_findfile_init = FALSE; - } - else - { - char_u *r_ptr; - - if (dir == NULL || *dir == NUL) - { - /* We searched all paths of the option, now we can - * free the search context. */ - vim_findfile_cleanup(fdip_search_ctx); - fdip_search_ctx = NULL; - break; - } - - if ((buf = alloc((int)(MAXPATHL))) == NULL) - break; - - /* copy next path */ - buf[0] = 0; - copy_option_part(&dir, buf, MAXPATHL, " ,"); - -#ifdef FEAT_PATH_EXTRA - /* get the stopdir string */ - r_ptr = vim_findfile_stopdir(buf); -#else - r_ptr = NULL; -#endif - fdip_search_ctx = vim_findfile_init(buf, ff_file_to_find, - r_ptr, 100, FALSE, find_what, - fdip_search_ctx, FALSE, rel_fname); - if (fdip_search_ctx != NULL) - did_findfile_init = TRUE; - vim_free(buf); - } - } - } - if (file_name == NULL && (options & FNAME_MESS)) - { - if (first == TRUE) - { - if (find_what == FINDFILE_DIR) - semsg(_("E344: Can't find directory \"%s\" in cdpath"), - ff_file_to_find); - else - semsg(_("E345: Can't find file \"%s\" in path"), - ff_file_to_find); - } - else - { - if (find_what == FINDFILE_DIR) - semsg(_("E346: No more directory \"%s\" found in cdpath"), - ff_file_to_find); - else - semsg(_("E347: No more file \"%s\" found in path"), - ff_file_to_find); - } - } - -theend: -#ifdef AMIGA - proc->pr_WindowPtr = save_winptr; -#endif - return file_name; -} - -#endif /* FEAT_SEARCHPATH */ - /* * Change directory to "new_dir". If FEAT_SEARCHPATH is defined, search * 'cdpath' for relative directory names, otherwise just mch_chdir().
--- a/src/proto.h +++ b/src/proto.h @@ -80,6 +80,7 @@ extern int _stricoll(char *a, char *b); # include "ex_eval.pro" # include "ex_getln.pro" # include "fileio.pro" +# include "findfile.pro" # include "fold.pro" # include "getchar.pro" # ifdef FEAT_HANGULIN
new file mode 100644 --- /dev/null +++ b/src/proto/findfile.pro @@ -0,0 +1,18 @@ +/* findfile.c */ +void *vim_findfile_init(char_u *path, char_u *filename, char_u *stopdirs, int level, int free_visited, int find_what, void *search_ctx_arg, int tagfile, char_u *rel_fname); +char_u *vim_findfile_stopdir(char_u *buf); +void vim_findfile_cleanup(void *ctx); +char_u *vim_findfile(void *search_ctx_arg); +void vim_findfile_free_visited(void *search_ctx_arg); +char_u *find_file_in_path(char_u *ptr, int len, int options, int first, char_u *rel_fname); +void free_findfile(void); +char_u *find_directory_in_path(char_u *ptr, int len, int options, char_u *rel_fname); +char_u *find_file_in_path_option(char_u *ptr, int len, int options, int first, char_u *path_option, int find_what, char_u *rel_fname, char_u *suffixes); +char_u *grab_file_name(long count, linenr_T *file_lnum); +char_u *file_name_at_cursor(int options, long count, linenr_T *file_lnum); +char_u *file_name_in_line(char_u *line, int col, int options, long count, char_u *rel_fname, linenr_T *file_lnum); +char_u *find_file_name_in_path(char_u *ptr, int len, int options, long count, char_u *rel_fname); +int vim_ispathlistsep(int c); +void uniquefy_paths(garray_T *gap, char_u *pattern); +int expand_in_path(garray_T *gap, char_u *pattern, int flags); +/* vim: set ft=c : */
--- a/src/proto/misc1.pro +++ b/src/proto/misc1.pro @@ -74,7 +74,6 @@ char_u *getnextcomp(char_u *fname); char_u *get_past_head(char_u *path); int vim_ispathsep(int c); int vim_ispathsep_nocolon(int c); -int vim_ispathlistsep(int c); void shorten_dir(char_u *str); int dir_of_file_exists(char_u *fname); int vim_fnamecmp(char_u *x, char_u *y); @@ -99,4 +98,8 @@ char_u *get_cmd_output(char_u *cmd, char void FreeWild(int count, char_u **files); int goto_im(void); char_u *get_isolated_shell_name(void); +int path_is_url(char_u *p); +int path_with_url(char_u *fname); +int vim_isAbsName(char_u *name); +int vim_FullName(char_u *fname, char_u *buf, int len, int force); /* vim: set ft=c : */
--- a/src/proto/misc2.pro +++ b/src/proto/misc2.pro @@ -90,14 +90,6 @@ int vim_stat(const char *name, stat_T *s char *parse_shape_opt(int what); int get_shape_idx(int mouse); void update_mouseshape(int shape_idx); -void *vim_findfile_init(char_u *path, char_u *filename, char_u *stopdirs, int level, int free_visited, int find_what, void *search_ctx_arg, int tagfile, char_u *rel_fname); -char_u *vim_findfile_stopdir(char_u *buf); -void vim_findfile_cleanup(void *ctx); -char_u *vim_findfile(void *search_ctx_arg); -void vim_findfile_free_visited(void *search_ctx_arg); -char_u *find_file_in_path(char_u *ptr, int len, int options, int first, char_u *rel_fname); -char_u *find_directory_in_path(char_u *ptr, int len, int options, char_u *rel_fname); -char_u *find_file_in_path_option(char_u *ptr, int len, int options, int first, char_u *path_option, int find_what, char_u *rel_fname, char_u *suffixes); int vim_chdir(char_u *new_dir); int get_user_name(char_u *buf, int len); void sort_strings(char_u **files, int count);
--- a/src/proto/window.pro +++ b/src/proto/window.pro @@ -65,13 +65,6 @@ void win_comp_scroll(win_T *wp); void command_height(void); void last_status(int morewin); int tabline_height(void); -char_u *grab_file_name(long count, linenr_T *file_lnum); -char_u *file_name_at_cursor(int options, long count, linenr_T *file_lnum); -char_u *file_name_in_line(char_u *line, int col, int options, long count, char_u *rel_fname, linenr_T *file_lnum); -char_u *find_file_name_in_path(char_u *ptr, int len, int options, long count, char_u *rel_fname); -int path_with_url(char_u *fname); -int vim_isAbsName(char_u *name); -int vim_FullName(char_u *fname, char_u *buf, int len, int force); int min_rows(void); int only_one_window(void); void check_lnums(int do_curwin);
--- a/src/version.c +++ b/src/version.c @@ -784,6 +784,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ /**/ + 914, +/**/ 913, /**/ 912,
--- a/src/window.c +++ b/src/window.c @@ -9,7 +9,6 @@ #include "vim.h" -static int path_is_url(char_u *p); static void cmd_with_count(char *cmd, char_u *bufp, size_t bufsize, long Prenum); static void win_init(win_T *newp, win_T *oldp, int flags); static void win_init_some(win_T *newp, win_T *oldp); @@ -61,9 +60,6 @@ static int frame_check_width(frame_T *to static win_T *win_alloc(win_T *after, int hidden); -#define URL_SLASH 1 /* path_is_url() has found "://" */ -#define URL_BACKSLASH 2 /* path_is_url() has found ":\\" */ - #define NOWIN (win_T *)-1 /* non-existing window */ #define ROWS_AVAIL (Rows - p_ch - tabline_height()) @@ -6098,317 +6094,6 @@ tabline_height(void) return 1; } -#if defined(FEAT_SEARCHPATH) || defined(PROTO) -/* - * Get the file name at the cursor. - * If Visual mode is active, use the selected text if it's in one line. - * Returns the name in allocated memory, NULL for failure. - */ - char_u * -grab_file_name(long count, linenr_T *file_lnum) -{ - int options = FNAME_MESS|FNAME_EXP|FNAME_REL|FNAME_UNESC; - - if (VIsual_active) - { - int len; - char_u *ptr; - - if (get_visual_text(NULL, &ptr, &len) == FAIL) - return NULL; - return find_file_name_in_path(ptr, len, options, - count, curbuf->b_ffname); - } - return file_name_at_cursor(options | FNAME_HYP, count, file_lnum); -} - -/* - * Return the file name under or after the cursor. - * - * The 'path' option is searched if the file name is not absolute. - * The string returned has been alloc'ed and should be freed by the caller. - * NULL is returned if the file name or file is not found. - * - * options: - * FNAME_MESS give error messages - * FNAME_EXP expand to path - * FNAME_HYP check for hypertext link - * FNAME_INCL apply "includeexpr" - */ - char_u * -file_name_at_cursor(int options, long count, linenr_T *file_lnum) -{ - return file_name_in_line(ml_get_curline(), - curwin->w_cursor.col, options, count, curbuf->b_ffname, - file_lnum); -} - -/* - * Return the name of the file under or after ptr[col]. - * Otherwise like file_name_at_cursor(). - */ - char_u * -file_name_in_line( - char_u *line, - int col, - int options, - long count, - char_u *rel_fname, /* file we are searching relative to */ - linenr_T *file_lnum) /* line number after the file name */ -{ - char_u *ptr; - int len; - int in_type = TRUE; - int is_url = FALSE; - - /* - * search forward for what could be the start of a file name - */ - ptr = line + col; - while (*ptr != NUL && !vim_isfilec(*ptr)) - MB_PTR_ADV(ptr); - if (*ptr == NUL) /* nothing found */ - { - if (options & FNAME_MESS) - emsg(_("E446: No file name under cursor")); - return NULL; - } - - /* - * Search backward for first char of the file name. - * Go one char back to ":" before "//" even when ':' is not in 'isfname'. - */ - while (ptr > line) - { - if (has_mbyte && (len = (*mb_head_off)(line, ptr - 1)) > 0) - ptr -= len + 1; - else if (vim_isfilec(ptr[-1]) - || ((options & FNAME_HYP) && path_is_url(ptr - 1))) - --ptr; - else - break; - } - - /* - * Search forward for the last char of the file name. - * Also allow "://" when ':' is not in 'isfname'. - */ - len = 0; - while (vim_isfilec(ptr[len]) || (ptr[len] == '\\' && ptr[len + 1] == ' ') - || ((options & FNAME_HYP) && path_is_url(ptr + len)) - || (is_url && vim_strchr((char_u *)"?&=", ptr[len]) != NULL)) - { - /* After type:// we also include ?, & and = as valid characters, so that - * http://google.com?q=this&that=ok works. */ - if ((ptr[len] >= 'A' && ptr[len] <= 'Z') || (ptr[len] >= 'a' && ptr[len] <= 'z')) - { - if (in_type && path_is_url(ptr + len + 1)) - is_url = TRUE; - } - else - in_type = FALSE; - - if (ptr[len] == '\\') - /* Skip over the "\" in "\ ". */ - ++len; - if (has_mbyte) - len += (*mb_ptr2len)(ptr + len); - else - ++len; - } - - /* - * If there is trailing punctuation, remove it. - * But don't remove "..", could be a directory name. - */ - if (len > 2 && vim_strchr((char_u *)".,:;!", ptr[len - 1]) != NULL - && ptr[len - 2] != '.') - --len; - - if (file_lnum != NULL) - { - char_u *p; - - /* Get the number after the file name and a separator character */ - p = ptr + len; - p = skipwhite(p); - if (*p != NUL) - { - if (!isdigit(*p)) - ++p; /* skip the separator */ - p = skipwhite(p); - if (isdigit(*p)) - *file_lnum = (int)getdigits(&p); - } - } - - return find_file_name_in_path(ptr, len, options, count, rel_fname); -} - -# if defined(FEAT_FIND_ID) && defined(FEAT_EVAL) - static char_u * -eval_includeexpr(char_u *ptr, int len) -{ - char_u *res; - - set_vim_var_string(VV_FNAME, ptr, len); - res = eval_to_string_safe(curbuf->b_p_inex, NULL, - was_set_insecurely((char_u *)"includeexpr", OPT_LOCAL)); - set_vim_var_string(VV_FNAME, NULL, 0); - return res; -} -#endif - -/* - * Return the name of the file ptr[len] in 'path'. - * Otherwise like file_name_at_cursor(). - */ - char_u * -find_file_name_in_path( - char_u *ptr, - int len, - int options, - long count, - char_u *rel_fname) /* file we are searching relative to */ -{ - char_u *file_name; - int c; -# if defined(FEAT_FIND_ID) && defined(FEAT_EVAL) - char_u *tofree = NULL; - - if ((options & FNAME_INCL) && *curbuf->b_p_inex != NUL) - { - tofree = eval_includeexpr(ptr, len); - if (tofree != NULL) - { - ptr = tofree; - len = (int)STRLEN(ptr); - } - } -# endif - - if (options & FNAME_EXP) - { - file_name = find_file_in_path(ptr, len, options & ~FNAME_MESS, - TRUE, rel_fname); - -# if defined(FEAT_FIND_ID) && defined(FEAT_EVAL) - /* - * If the file could not be found in a normal way, try applying - * 'includeexpr' (unless done already). - */ - if (file_name == NULL - && !(options & FNAME_INCL) && *curbuf->b_p_inex != NUL) - { - tofree = eval_includeexpr(ptr, len); - if (tofree != NULL) - { - ptr = tofree; - len = (int)STRLEN(ptr); - file_name = find_file_in_path(ptr, len, options & ~FNAME_MESS, - TRUE, rel_fname); - } - } -# endif - if (file_name == NULL && (options & FNAME_MESS)) - { - c = ptr[len]; - ptr[len] = NUL; - semsg(_("E447: Can't find file \"%s\" in path"), ptr); - ptr[len] = c; - } - - /* Repeat finding the file "count" times. This matters when it - * appears several times in the path. */ - while (file_name != NULL && --count > 0) - { - vim_free(file_name); - file_name = find_file_in_path(ptr, len, options, FALSE, rel_fname); - } - } - else - file_name = vim_strnsave(ptr, len); - -# if defined(FEAT_FIND_ID) && defined(FEAT_EVAL) - vim_free(tofree); -# endif - - return file_name; -} -#endif /* FEAT_SEARCHPATH */ - -/* - * Check if the "://" of a URL is at the pointer, return URL_SLASH. - * Also check for ":\\", which MS Internet Explorer accepts, return - * URL_BACKSLASH. - */ - static int -path_is_url(char_u *p) -{ - if (STRNCMP(p, "://", (size_t)3) == 0) - return URL_SLASH; - else if (STRNCMP(p, ":\\\\", (size_t)3) == 0) - return URL_BACKSLASH; - return 0; -} - -/* - * Check if "fname" starts with "name://". Return URL_SLASH if it does. - * Return URL_BACKSLASH for "name:\\". - * Return zero otherwise. - */ - int -path_with_url(char_u *fname) -{ - char_u *p; - - for (p = fname; isalpha(*p); ++p) - ; - return path_is_url(p); -} - -/* - * Return TRUE if "name" is a full (absolute) path name or URL. - */ - int -vim_isAbsName(char_u *name) -{ - return (path_with_url(name) != 0 || mch_isFullName(name)); -} - -/* - * Get absolute file name into buffer "buf[len]". - * - * return FAIL for failure, OK otherwise - */ - int -vim_FullName( - char_u *fname, - char_u *buf, - int len, - int force) /* force expansion even when already absolute */ -{ - int retval = OK; - int url; - - *buf = NUL; - if (fname == NULL) - return FAIL; - - url = path_with_url(fname); - if (!url) - retval = mch_FullName(fname, buf, len, force); - if (url || retval == FAIL) - { - /* something failed; use the file name (truncate when too long) */ - vim_strncpy(buf, fname, len - 1); - } -#if defined(MSWIN) - slash_adjust(buf); -#endif - return retval; -} - /* * Return the minimal number of rows that is needed on the screen to display * the current number of windows.