Mercurial > vim
annotate runtime/doc/doctags.c @ 20622:d487701a608e
Added tag v8.2.0864 for changeset d30b16692ce0ef62ead483068caa67cb03c2b795
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sun, 31 May 2020 18:00:04 +0200 |
| parents | c002c4899529 |
| children | af4ffc4b2a26 |
| rev | line source |
|---|---|
| 7 | 1 /* vim:set ts=4 sw=4: |
| 2 * | |
| 16808 | 3 * This program makes a tags file for help text. |
| 4 * | |
| 5 * Usage: doctags *.txt ... >tags | |
| 7 | 6 * |
| 7 * A tag in this context is an identifier between stars, e.g. *c_files* | |
| 8 */ | |
| 9 | |
| 10 #include <stdio.h> | |
| 11 #include <string.h> | |
| 12 #include <ctype.h> | |
| 13 #include <stdlib.h> | |
| 14 | |
| 15 #define LINELEN 200 | |
| 16 | |
| 17 int | |
|
7837
33ba2adb6065
commit https://github.com/vim/vim/commit/b638a7be952544ceb03052c25b84224577a6494b
Christian Brabandt <cb@256bit.org>
parents:
7
diff
changeset
|
18 main(int argc, char **argv) |
| 7 | 19 { |
| 20 char line[LINELEN]; | |
| 21 char *p1, *p2; | |
| 22 char *p; | |
| 23 FILE *fd; | |
| 24 | |
| 25 if (argc <= 1) | |
| 26 { | |
| 27 fprintf(stderr, "Usage: doctags docfile ... >tags\n"); | |
| 28 exit(1); | |
| 29 } | |
| 30 printf("help-tags\ttags\t1\n"); | |
| 31 while (--argc > 0) | |
| 32 { | |
| 33 ++argv; | |
| 34 fd = fopen(argv[0], "r"); | |
| 35 if (fd == NULL) | |
| 36 { | |
| 37 fprintf(stderr, "Unable to open %s for reading\n", argv[0]); | |
| 38 continue; | |
| 39 } | |
| 40 while (fgets(line, LINELEN, fd) != NULL) | |
| 41 { | |
| 42 p1 = strchr(line, '*'); /* find first '*' */ | |
| 43 while (p1 != NULL) | |
| 44 { | |
| 45 p2 = strchr(p1 + 1, '*'); /* find second '*' */ | |
| 46 if (p2 != NULL && p2 > p1 + 1) /* skip "*" and "**" */ | |
| 47 { | |
| 48 for (p = p1 + 1; p < p2; ++p) | |
| 49 if (*p == ' ' || *p == '\t' || *p == '|') | |
| 50 break; | |
| 51 /* | |
| 52 * Only accept a *tag* when it consists of valid | |
| 53 * characters, there is white space before it and is | |
| 54 * followed by a white character or end-of-line. | |
| 55 */ | |
| 56 if (p == p2 | |
| 57 && (p1 == line || p1[-1] == ' ' || p1[-1] == '\t') | |
| 58 && (strchr(" \t\n\r", p[1]) != NULL | |
| 59 || p[1] == '\0')) | |
| 60 { | |
| 61 *p2 = '\0'; | |
| 62 ++p1; | |
| 63 printf("%s\t%s\t/*", p1, argv[0]); | |
| 64 while (*p1) | |
| 65 { | |
| 66 /* insert backslash before '\\' and '/' */ | |
| 67 if (*p1 == '\\' || *p1 == '/') | |
| 68 putchar('\\'); | |
| 69 putchar(*p1); | |
| 70 ++p1; | |
| 71 } | |
| 72 printf("*\n"); | |
| 73 p2 = strchr(p2 + 1, '*'); /* find next '*' */ | |
| 74 } | |
| 75 } | |
| 76 p1 = p2; | |
| 77 } | |
| 78 } | |
| 79 fclose(fd); | |
| 80 } | |
| 81 return 0; | |
| 82 } |