Mercurial > vim
annotate runtime/indent/xml.vim @ 18486:9d887cad7315
Added tag v8.1.2237 for changeset 63ee3c2b140fe1b4801389872a8e47aec19d028b
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 31 Oct 2019 20:00:04 +0100 |
| parents | 6d11fc4aa683 |
| children | 8dde7ced3344 |
| 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> | |
| 5 " Last Changed: 2019 Oct 24 | |
| 15194 | 6 " Last Change: |
| 17571 | 7 " 20190726 - Correctly handle non-tagged data |
| 16086 | 8 " 20190204 - correctly handle wrap tags |
| 9 " https://github.com/chrisbra/vim-xml-ftplugin/issues/5 | |
| 15729 | 10 " 20190128 - Make sure to find previous tag |
| 11 " https://github.com/chrisbra/vim-xml-ftplugin/issues/4 | |
| 15194 | 12 " 20181116 - Fix indentation when tags start with a colon or an underscore |
| 13 " https://github.com/vim/vim/pull/926 | |
| 14 " 20181022 - Do not overwrite indentkeys setting | |
| 15 " https://github.com/chrisbra/vim-xml-ftplugin/issues/1 | |
| 16 " 20180724 - Correctly indent xml comments https://github.com/vim/vim/issues/3200 | |
| 17 " | |
| 18 " Notes: | |
| 19 " 1) does not indent pure non-xml code (e.g. embedded scripts) | |
| 20 " 2) will be confused by unbalanced tags in comments | |
| 21 " or CDATA sections. | |
| 22 " 2009-05-26 patch by Nikolai Weibull | |
| 23 " TODO: implement pre-like tags, see xml_indent_open / xml_indent_close | |
| 7 | 24 |
| 25 " Only load this indent file when no other was loaded. | |
| 26 if exists("b:did_indent") | |
| 27 finish | |
| 28 endif | |
| 29 let b:did_indent = 1 | |
|
3526
dd6c2497c997
Fix more 'cpo' issues in runtime files.
Bram Moolenaar <bram@vim.org>
parents:
2034
diff
changeset
|
30 let s:keepcpo= &cpo |
|
dd6c2497c997
Fix more 'cpo' issues in runtime files.
Bram Moolenaar <bram@vim.org>
parents:
2034
diff
changeset
|
31 set cpo&vim |
| 7 | 32 |
| 33 " [-- local settings (must come before aborting the script) --] | |
| 15194 | 34 " Attention: Parameter use_syntax_check is used by the docbk.vim indent script |
| 7 | 35 setlocal indentexpr=XmlIndentGet(v:lnum,1) |
| 14999 | 36 setlocal indentkeys=o,O,*<Return>,<>>,<<>,/,{,},!^F |
| 17571 | 37 " autoindent: used when the indentexpr returns -1 |
| 38 setlocal autoindent | |
| 7 | 39 |
| 40 if !exists('b:xml_indent_open') | |
| 15194 | 41 let b:xml_indent_open = '.\{-}<[:A-Z_a-z]' |
| 7 | 42 " pre tag, e.g. <address> |
| 43 " let b:xml_indent_open = '.\{-}<[/]\@!\(address\)\@!' | |
| 44 endif | |
| 45 | |
| 46 if !exists('b:xml_indent_close') | |
| 47 let b:xml_indent_close = '.\{-}</' | |
| 48 " end pre tag, e.g. </address> | |
| 49 " let b:xml_indent_close = '.\{-}</\(address\)\@!' | |
| 50 endif | |
| 51 | |
| 3713 | 52 let &cpo = s:keepcpo |
| 53 unlet s:keepcpo | |
| 54 | |
| 7 | 55 " [-- finish, if the function already exists --] |
| 3713 | 56 if exists('*XmlIndentGet') |
| 15194 | 57 finish |
| 3713 | 58 endif |
| 59 | |
| 60 let s:keepcpo= &cpo | |
| 61 set cpo&vim | |
| 7 | 62 |
| 63 fun! <SID>XmlIndentWithPattern(line, pat) | |
| 64 let s = substitute('x'.a:line, a:pat, "\1", 'g') | |
| 65 return strlen(substitute(s, "[^\1].*$", '', '')) | |
| 66 endfun | |
| 67 | |
| 68 " [-- check if it's xml --] | |
| 69 fun! <SID>XmlIndentSynCheck(lnum) | |
| 15194 | 70 if &syntax != '' |
| 71 let syn1 = synIDattr(synID(a:lnum, 1, 1), 'name') | |
| 72 let syn2 = synIDattr(synID(a:lnum, strlen(getline(a:lnum)) - 1, 1), 'name') | |
| 73 if syn1 != '' && syn1 !~ 'xml' && syn2 != '' && syn2 !~ 'xml' | |
| 74 " don't indent pure non-xml code | |
| 75 return 0 | |
| 76 endif | |
| 7 | 77 endif |
| 78 return 1 | |
| 79 endfun | |
| 80 | |
| 81 " [-- return the sum of indents of a:lnum --] | |
| 16086 | 82 fun! <SID>XmlIndentSum(line, style, add) |
| 83 if <SID>IsXMLContinuation(a:line) && a:style == 0 | |
| 84 " no complete tag, add one additional indent level | |
| 85 " but only for the current line | |
| 86 return a:add + shiftwidth() | |
| 87 elseif <SID>HasNoTagEnd(a:line) | |
| 88 " no complete tag, return initial indent | |
| 89 return a:add | |
| 90 endif | |
| 91 if a:style == match(a:line, '^\s*</') | |
| 15194 | 92 return (shiftwidth() * |
| 16086 | 93 \ (<SID>XmlIndentWithPattern(a:line, b:xml_indent_open) |
| 94 \ - <SID>XmlIndentWithPattern(a:line, b:xml_indent_close) | |
| 95 \ - <SID>XmlIndentWithPattern(a:line, '.\{-}/>'))) + a:add | |
| 7 | 96 else |
| 15194 | 97 return a:add |
| 7 | 98 endif |
| 99 endfun | |
| 100 | |
| 15194 | 101 " Main indent function |
| 7 | 102 fun! XmlIndentGet(lnum, use_syntax_check) |
| 103 " Find a non-empty line above the current line. | |
| 16086 | 104 if prevnonblank(a:lnum - 1) == 0 |
| 105 " Hit the start of the file, use zero indent. | |
| 15194 | 106 return 0 |
| 7 | 107 endif |
| 15729 | 108 " Find previous line with a tag (regardless whether open or closed, |
| 17571 | 109 " but always restrict the match to a line before the current one |
| 16086 | 110 " Note: xml declaration: <?xml version="1.0"?> |
| 111 " won't be found, as it is not a legal tag name | |
| 17571 | 112 let ptag_pattern = '\%(.\{-}<[/:A-Z_a-z]\)'. '\%(\&\%<'. a:lnum .'l\)' |
| 16086 | 113 let ptag = search(ptag_pattern, 'bnW') |
| 114 " no previous tag | |
| 115 if ptag == 0 | |
| 116 return 0 | |
| 117 endif | |
| 15729 | 118 |
| 17571 | 119 let pline = getline(ptag) |
| 120 let pind = indent(ptag) | |
| 121 | |
| 122 let syn_name_start = '' " Syntax element at start of line (excluding whitespace) | |
| 123 let syn_name_end = '' " Syntax element at end of line | |
| 124 let curline = getline(a:lnum) | |
| 7 | 125 if a:use_syntax_check |
| 16086 | 126 let check_lnum = <SID>XmlIndentSynCheck(ptag) |
| 15194 | 127 let check_alnum = <SID>XmlIndentSynCheck(a:lnum) |
| 128 if check_lnum == 0 || check_alnum == 0 | |
| 129 return indent(a:lnum) | |
| 130 endif | |
| 17571 | 131 let syn_name_end = synIDattr(synID(a:lnum, strlen(curline) - 1, 1), 'name') |
| 132 let syn_name_start = synIDattr(synID(a:lnum, match(curline, '\S') + 1, 1), 'name') | |
| 7 | 133 endif |
| 134 | |
| 17571 | 135 if syn_name_end =~ 'Comment' && syn_name_start =~ 'Comment' |
| 136 return <SID>XmlIndentComment(a:lnum) | |
| 137 elseif empty(syn_name_start) && empty(syn_name_end) | |
| 138 " non-xml tag content: use indent from 'autoindent' | |
| 139 return pind + shiftwidth() | |
| 140 endif | |
| 141 | |
| 15194 | 142 " Get indent from previous tag line |
| 16086 | 143 let ind = <SID>XmlIndentSum(pline, -1, pind) |
| 15194 | 144 " Determine indent from current line |
| 17571 | 145 let ind = <SID>XmlIndentSum(curline, 0, ind) |
| 7 | 146 return ind |
| 147 endfun | |
| 148 | |
| 16086 | 149 func! <SID>IsXMLContinuation(line) |
| 150 " Checks, whether or not the line matches a start-of-tag | |
| 151 return a:line !~ '^\s*<' | |
| 152 endfunc | |
| 153 | |
| 154 func! <SID>HasNoTagEnd(line) | |
| 155 " Checks whether or not the line matches '>' (so finishes a tag) | |
| 156 return a:line !~ '>\s*$' | |
| 157 endfunc | |
| 158 | |
| 15194 | 159 " return indent for a commented line, |
| 17571 | 160 " the middle part might be indented one additional level |
| 15194 | 161 func! <SID>XmlIndentComment(lnum) |
| 16086 | 162 let ptagopen = search(b:xml_indent_open, 'bnW') |
| 163 let ptagclose = search(b:xml_indent_close, 'bnW') | |
| 15194 | 164 if getline(a:lnum) =~ '<!--' |
| 165 " if previous tag was a closing tag, do not add | |
| 166 " one additional level of indent | |
| 167 if ptagclose > ptagopen && a:lnum > ptagclose | |
| 168 return indent(ptagclose) | |
| 169 else | |
| 170 " start of comment, add one indentation level | |
| 171 return indent(ptagopen) + shiftwidth() | |
| 172 endif | |
| 173 elseif getline(a:lnum) =~ '-->' | |
| 174 " end of comment, same as start of comment | |
| 16086 | 175 return indent(search('<!--', 'bnW')) |
| 15194 | 176 else |
| 177 " middle part of comment, add one additional level | |
| 16086 | 178 return indent(search('<!--', 'bnW')) + shiftwidth() |
| 15194 | 179 endif |
| 180 endfunc | |
| 181 | |
|
3526
dd6c2497c997
Fix more 'cpo' issues in runtime files.
Bram Moolenaar <bram@vim.org>
parents:
2034
diff
changeset
|
182 let &cpo = s:keepcpo |
|
dd6c2497c997
Fix more 'cpo' issues in runtime files.
Bram Moolenaar <bram@vim.org>
parents:
2034
diff
changeset
|
183 unlet s:keepcpo |
|
dd6c2497c997
Fix more 'cpo' issues in runtime files.
Bram Moolenaar <bram@vim.org>
parents:
2034
diff
changeset
|
184 |
| 15194 | 185 " vim:ts=4 et sts=-1 sw=0 |