Mercurial > vim
annotate runtime/indent/xml.vim @ 24278:4ab4ef0c48b1
Update runtime files.
Commit: https://github.com/vim/vim/commit/dad4473f02e1fec86d43a2fc094536a4b27d3b25
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Mar 31 20:07:33 2021 +0200
Update runtime files.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Wed, 31 Mar 2021 20:15:04 +0200 |
| parents | 29c5f168c6fd |
| children | f0d7cb510ce3 |
| rev | line source |
|---|---|
| 18456 | 1 " Language: XML |
| 2 " Maintainer: Christian Brabandt <cb@256bit.org> | |
| 3 " Repository: https://github.com/chrisbra/vim-xml-ftplugin | |
| 4 " Previous Maintainer: Johannes Zellner <johannes@zellner.org> | |
| 23047 | 5 " Last Changed: 2020 Nov 4th |
| 15194 | 6 " Last Change: |
| 23047 | 7 " 20200529 - Handle empty closing tags correctly |
| 18790 | 8 " 20191202 - Handle docbk filetype |
| 17571 | 9 " 20190726 - Correctly handle non-tagged data |
| 16086 | 10 " 20190204 - correctly handle wrap tags |
| 11 " https://github.com/chrisbra/vim-xml-ftplugin/issues/5 | |
| 15729 | 12 " 20190128 - Make sure to find previous tag |
| 13 " https://github.com/chrisbra/vim-xml-ftplugin/issues/4 | |
| 15194 | 14 " 20181116 - Fix indentation when tags start with a colon or an underscore |
| 15 " https://github.com/vim/vim/pull/926 | |
| 16 " 20181022 - Do not overwrite indentkeys setting | |
| 17 " https://github.com/chrisbra/vim-xml-ftplugin/issues/1 | |
| 18 " 20180724 - Correctly indent xml comments https://github.com/vim/vim/issues/3200 | |
| 19 " | |
| 20 " Notes: | |
| 21 " 1) does not indent pure non-xml code (e.g. embedded scripts) | |
| 22 " 2) will be confused by unbalanced tags in comments | |
| 23 " or CDATA sections. | |
| 24 " 2009-05-26 patch by Nikolai Weibull | |
| 25 " TODO: implement pre-like tags, see xml_indent_open / xml_indent_close | |
| 7 | 26 |
| 27 " Only load this indent file when no other was loaded. | |
| 28 if exists("b:did_indent") | |
| 29 finish | |
| 30 endif | |
| 31 let b:did_indent = 1 | |
|
3526
dd6c2497c997
Fix more 'cpo' issues in runtime files.
Bram Moolenaar <bram@vim.org>
parents:
2034
diff
changeset
|
32 let s:keepcpo= &cpo |
|
dd6c2497c997
Fix more 'cpo' issues in runtime files.
Bram Moolenaar <bram@vim.org>
parents:
2034
diff
changeset
|
33 set cpo&vim |
| 7 | 34 |
| 35 " [-- local settings (must come before aborting the script) --] | |
| 15194 | 36 " Attention: Parameter use_syntax_check is used by the docbk.vim indent script |
| 7 | 37 setlocal indentexpr=XmlIndentGet(v:lnum,1) |
| 14999 | 38 setlocal indentkeys=o,O,*<Return>,<>>,<<>,/,{,},!^F |
| 17571 | 39 " autoindent: used when the indentexpr returns -1 |
| 40 setlocal autoindent | |
| 7 | 41 |
| 42 if !exists('b:xml_indent_open') | |
| 15194 | 43 let b:xml_indent_open = '.\{-}<[:A-Z_a-z]' |
| 7 | 44 " pre tag, e.g. <address> |
| 45 " let b:xml_indent_open = '.\{-}<[/]\@!\(address\)\@!' | |
| 46 endif | |
| 47 | |
| 48 if !exists('b:xml_indent_close') | |
| 23047 | 49 let b:xml_indent_close = '.\{-}</\|/>.\{-}' |
| 7 | 50 " end pre tag, e.g. </address> |
| 51 " let b:xml_indent_close = '.\{-}</\(address\)\@!' | |
| 52 endif | |
| 53 | |
| 3713 | 54 let &cpo = s:keepcpo |
| 55 unlet s:keepcpo | |
| 56 | |
| 7 | 57 " [-- finish, if the function already exists --] |
| 3713 | 58 if exists('*XmlIndentGet') |
| 15194 | 59 finish |
| 3713 | 60 endif |
| 61 | |
| 62 let s:keepcpo= &cpo | |
| 63 set cpo&vim | |
| 7 | 64 |
| 65 fun! <SID>XmlIndentWithPattern(line, pat) | |
| 66 let s = substitute('x'.a:line, a:pat, "\1", 'g') | |
| 67 return strlen(substitute(s, "[^\1].*$", '', '')) | |
| 68 endfun | |
| 69 | |
| 70 " [-- check if it's xml --] | |
| 71 fun! <SID>XmlIndentSynCheck(lnum) | |
| 15194 | 72 if &syntax != '' |
| 73 let syn1 = synIDattr(synID(a:lnum, 1, 1), 'name') | |
| 74 let syn2 = synIDattr(synID(a:lnum, strlen(getline(a:lnum)) - 1, 1), 'name') | |
| 75 if syn1 != '' && syn1 !~ 'xml' && syn2 != '' && syn2 !~ 'xml' | |
| 76 " don't indent pure non-xml code | |
| 77 return 0 | |
| 78 endif | |
| 7 | 79 endif |
| 80 return 1 | |
| 81 endfun | |
| 82 | |
| 83 " [-- return the sum of indents of a:lnum --] | |
| 16086 | 84 fun! <SID>XmlIndentSum(line, style, add) |
| 23047 | 85 if <SID>IsXMLContinuation(a:line) && a:style == 0 && !<SID>IsXMLEmptyClosingTag(a:line) |
| 16086 | 86 " no complete tag, add one additional indent level |
| 87 " but only for the current line | |
| 88 return a:add + shiftwidth() | |
| 89 elseif <SID>HasNoTagEnd(a:line) | |
| 90 " no complete tag, return initial indent | |
| 91 return a:add | |
| 92 endif | |
| 93 if a:style == match(a:line, '^\s*</') | |
| 15194 | 94 return (shiftwidth() * |
| 16086 | 95 \ (<SID>XmlIndentWithPattern(a:line, b:xml_indent_open) |
| 96 \ - <SID>XmlIndentWithPattern(a:line, b:xml_indent_close) | |
| 97 \ - <SID>XmlIndentWithPattern(a:line, '.\{-}/>'))) + a:add | |
| 7 | 98 else |
| 15194 | 99 return a:add |
| 7 | 100 endif |
| 101 endfun | |
| 102 | |
| 15194 | 103 " Main indent function |
| 7 | 104 fun! XmlIndentGet(lnum, use_syntax_check) |
| 105 " Find a non-empty line above the current line. | |
| 16086 | 106 if prevnonblank(a:lnum - 1) == 0 |
| 107 " Hit the start of the file, use zero indent. | |
| 15194 | 108 return 0 |
| 7 | 109 endif |
| 15729 | 110 " Find previous line with a tag (regardless whether open or closed, |
| 17571 | 111 " but always restrict the match to a line before the current one |
| 16086 | 112 " Note: xml declaration: <?xml version="1.0"?> |
| 113 " won't be found, as it is not a legal tag name | |
| 17571 | 114 let ptag_pattern = '\%(.\{-}<[/:A-Z_a-z]\)'. '\%(\&\%<'. a:lnum .'l\)' |
| 16086 | 115 let ptag = search(ptag_pattern, 'bnW') |
| 116 " no previous tag | |
| 117 if ptag == 0 | |
| 118 return 0 | |
| 119 endif | |
| 15729 | 120 |
| 17571 | 121 let pline = getline(ptag) |
| 122 let pind = indent(ptag) | |
| 123 | |
| 124 let syn_name_start = '' " Syntax element at start of line (excluding whitespace) | |
| 125 let syn_name_end = '' " Syntax element at end of line | |
| 126 let curline = getline(a:lnum) | |
| 7 | 127 if a:use_syntax_check |
| 16086 | 128 let check_lnum = <SID>XmlIndentSynCheck(ptag) |
| 15194 | 129 let check_alnum = <SID>XmlIndentSynCheck(a:lnum) |
| 130 if check_lnum == 0 || check_alnum == 0 | |
| 131 return indent(a:lnum) | |
| 132 endif | |
| 17571 | 133 let syn_name_end = synIDattr(synID(a:lnum, strlen(curline) - 1, 1), 'name') |
| 134 let syn_name_start = synIDattr(synID(a:lnum, match(curline, '\S') + 1, 1), 'name') | |
| 23047 | 135 let prev_syn_name_end = synIDattr(synID(ptag, strlen(pline) - 1, 1), 'name') |
| 136 " not needed (yet?) | |
| 137 " let prev_syn_name_start = synIDattr(synID(ptag, match(pline, '\S') + 1, 1), 'name') | |
| 7 | 138 endif |
| 139 | |
| 17571 | 140 if syn_name_end =~ 'Comment' && syn_name_start =~ 'Comment' |
| 141 return <SID>XmlIndentComment(a:lnum) | |
| 18790 | 142 elseif empty(syn_name_start) && empty(syn_name_end) && a:use_syntax_check |
| 17571 | 143 " non-xml tag content: use indent from 'autoindent' |
| 23047 | 144 if pline =~ b:xml_indent_close |
| 145 return pind | |
| 146 elseif !empty(prev_syn_name_end) | |
| 147 " only indent by an extra shiftwidth, if the previous line ends | |
| 148 " with an XML like tag | |
| 149 return pind + shiftwidth() | |
| 150 else | |
| 151 " no extra indent, looks like a text continuation line | |
| 152 return pind | |
| 153 endif | |
| 17571 | 154 endif |
| 155 | |
| 15194 | 156 " Get indent from previous tag line |
| 16086 | 157 let ind = <SID>XmlIndentSum(pline, -1, pind) |
| 15194 | 158 " Determine indent from current line |
| 17571 | 159 let ind = <SID>XmlIndentSum(curline, 0, ind) |
| 7 | 160 return ind |
| 161 endfun | |
| 162 | |
| 16086 | 163 func! <SID>IsXMLContinuation(line) |
| 164 " Checks, whether or not the line matches a start-of-tag | |
| 18790 | 165 return a:line !~ '^\s*<' && &ft is# 'xml' |
| 16086 | 166 endfunc |
| 167 | |
| 168 func! <SID>HasNoTagEnd(line) | |
| 169 " Checks whether or not the line matches '>' (so finishes a tag) | |
| 170 return a:line !~ '>\s*$' | |
| 171 endfunc | |
| 172 | |
| 23047 | 173 func! <SID>IsXMLEmptyClosingTag(line) |
| 174 " Checks whether the line ends with an empty closing tag such as <lb/> | |
| 175 return a:line =~? '<[^>]*/>\s*$' | |
| 176 endfunc | |
| 177 | |
| 15194 | 178 " return indent for a commented line, |
| 17571 | 179 " the middle part might be indented one additional level |
| 15194 | 180 func! <SID>XmlIndentComment(lnum) |
| 23047 | 181 let ptagopen = search('.\{-}<[:A-Z_a-z]\_[^/]\{-}>.\{-}', 'bnW') |
| 16086 | 182 let ptagclose = search(b:xml_indent_close, 'bnW') |
| 15194 | 183 if getline(a:lnum) =~ '<!--' |
| 184 " if previous tag was a closing tag, do not add | |
| 185 " one additional level of indent | |
| 186 if ptagclose > ptagopen && a:lnum > ptagclose | |
| 23047 | 187 " If the previous tag was closed on the same line as it was |
| 188 " declared, we should indent with its indent level. | |
| 189 if !<SID>IsXMLContinuation(getline(ptagclose)) | |
| 190 return indent(ptagclose) | |
| 191 else | |
| 192 return indent(ptagclose) - shiftwidth() | |
| 193 endif | |
| 194 elseif ptagclose == ptagopen | |
| 15194 | 195 return indent(ptagclose) |
| 196 else | |
| 197 " start of comment, add one indentation level | |
| 198 return indent(ptagopen) + shiftwidth() | |
| 199 endif | |
| 200 elseif getline(a:lnum) =~ '-->' | |
| 201 " end of comment, same as start of comment | |
| 16086 | 202 return indent(search('<!--', 'bnW')) |
| 15194 | 203 else |
| 204 " middle part of comment, add one additional level | |
| 16086 | 205 return indent(search('<!--', 'bnW')) + shiftwidth() |
| 15194 | 206 endif |
| 207 endfunc | |
| 208 | |
|
3526
dd6c2497c997
Fix more 'cpo' issues in runtime files.
Bram Moolenaar <bram@vim.org>
parents:
2034
diff
changeset
|
209 let &cpo = s:keepcpo |
|
dd6c2497c997
Fix more 'cpo' issues in runtime files.
Bram Moolenaar <bram@vim.org>
parents:
2034
diff
changeset
|
210 unlet s:keepcpo |
|
dd6c2497c997
Fix more 'cpo' issues in runtime files.
Bram Moolenaar <bram@vim.org>
parents:
2034
diff
changeset
|
211 |
| 15194 | 212 " vim:ts=4 et sts=-1 sw=0 |