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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:44:24 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:44:24 +0000 |
commit | 8baab3c8d7a6f22888bd581cd5c6098fd2e4b5a8 (patch) | |
tree | 3537e168b860f2742f6029d70501b5ed7d15d345 /runtime/autoload/xmlformat.vim | |
parent | Initial commit. (diff) | |
download | vim-upstream.tar.xz vim-upstream.zip |
Adding upstream version 2:8.1.0875.upstream/2%8.1.0875upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | runtime/autoload/xmlformat.vim | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/runtime/autoload/xmlformat.vim b/runtime/autoload/xmlformat.vim new file mode 100644 index 0000000..ea89401 --- /dev/null +++ b/runtime/autoload/xmlformat.vim @@ -0,0 +1,115 @@ +" Vim plugin for formatting XML +" Last Change: Thu, 07 Dec 2018 +" Version: 0.1 +" Author: Christian Brabandt <cb@256bit.org> +" Repository: https://github.com/chrisbra/vim-xml-ftplugin +" License: VIM License +" Documentation: see :h xmlformat.txt (TODO!) +" --------------------------------------------------------------------- +" Load Once: {{{1 +if exists("g:loaded_xmlformat") || &cp + finish +endif +let g:loaded_xmlformat = 1 +let s:keepcpo = &cpo +set cpo&vim + +" Main function: Format the input {{{1 +func! xmlformat#Format() + " only allow reformatting through the gq command + " (e.g. Vim is in normal mode) + if mode() != 'n' + " do not fall back to internal formatting + return 0 + endif + let sw = shiftwidth() + let prev = prevnonblank(v:lnum-1) + let s:indent = indent(prev)/sw + let result = [] + let lastitem = prev ? getline(prev) : '' + let is_xml_decl = 0 + " split on `<`, but don't split on very first opening < + for item in split(join(getline(v:lnum, (v:lnum + v:count - 1))), '.\@<=[>]\zs') + if s:EndTag(item) + let s:indent = s:DecreaseIndent() + call add(result, s:Indent(item)) + elseif s:EmptyTag(lastitem) + call add(result, s:Indent(item)) + elseif s:StartTag(lastitem) && s:IsTag(item) + let s:indent += 1 + call add(result, s:Indent(item)) + else + if !s:IsTag(item) + " Simply split on '<' + let t=split(item, '.<\@=\zs') + let s:indent+=1 + call add(result, s:Indent(t[0])) + let s:indent = s:DecreaseIndent() + call add(result, s:Indent(t[1])) + else + call add(result, s:Indent(item)) + endif + endif + let lastitem = item + endfor + + if !empty(result) + exe v:lnum. ",". (v:lnum + v:count - 1). 'd' + call append(v:lnum - 1, result) + " Might need to remove the last line, if it became empty because of the + " append() call + let last = v:lnum + len(result) + if getline(last) is '' + exe last. 'd' + endif + endif + + " do not run internal formatter! + return 0 +endfunc +" Check if given tag is XML Declaration header {{{1 +func! s:IsXMLDecl(tag) + return a:tag =~? '^\s*<?xml\s\?\%(version="[^"]*"\)\?\s\?\%(encoding="[^"]*"\)\? ?>\s*$' +endfunc +" Return tag indented by current level {{{1 +func! s:Indent(item) + return repeat(' ', shiftwidth()*s:indent). s:Trim(a:item) +endfu +" Return item trimmed from leading whitespace {{{1 +func! s:Trim(item) + if exists('*trim') + return trim(a:item) + else + return matchstr(a:item, '\S\+.*') + endif +endfunc +" Check if tag is a new opening tag <tag> {{{1 +func! s:StartTag(tag) + let is_comment = s:IsComment(a:tag) + return a:tag =~? '^\s*<[^/?]' && !is_comment +endfunc +func! s:IsComment(tag) + return a:tag =~? '<!--' +endfunc +" Remove one level of indentation {{{1 +func! s:DecreaseIndent() + return (s:indent > 0 ? s:indent - 1 : 0) +endfunc +" Check if tag is a closing tag </tag> {{{1 +func! s:EndTag(tag) + return a:tag =~? '^\s*</' +endfunc +" Check that the tag is actually a tag and not {{{1 +" something like "foobar</foobar>" +func! s:IsTag(tag) + return s:Trim(a:tag)[0] == '<' +endfunc +" Check if tag is empty <tag/> {{{1 +func! s:EmptyTag(tag) + return a:tag =~ '/>\s*$' +endfunc +" Restoration And Modelines: {{{1 +let &cpo= s:keepcpo +unlet s:keepcpo +" Modeline {{{1 +" vim: fdm=marker fdl=0 ts=2 et sw=0 sts=-1 |