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- " Vim indent file
- " Language: Haml
- " Maintainer: Tim Pope <vimNOSPAM@tpope.org>
- " Last Change: 2022 Mar 15
- if exists("b:did_indent")
- finish
- endif
- runtime! indent/ruby.vim
- unlet! b:did_indent
- let b:did_indent = 1
- setlocal autoindent
- setlocal indentexpr=GetHamlIndent()
- setlocal indentkeys=o,O,*<Return>,},],0),!^F,=end,=else,=elsif,=rescue,=ensure,=when
- let b:undo_indent = "setl ai< inde< indk<"
- " Only define the function once.
- if exists("*GetHamlIndent")
- finish
- endif
- let s:attributes = '\%({.\{-\}}\|\[.\{-\}\]\)'
- let s:tag = '\%([%.#][[:alnum:]_-]\+\|'.s:attributes.'\)*[<>]*'
- if !exists('g:haml_self_closing_tags')
- let g:haml_self_closing_tags = 'base|link|meta|br|hr|img|input'
- endif
- function! GetHamlIndent()
- let lnum = prevnonblank(v:lnum-1)
- if lnum == 0
- return 0
- endif
- let line = substitute(getline(lnum),'\s\+$','','')
- let cline = substitute(substitute(getline(v:lnum),'\s\+$','',''),'^\s\+','','')
- let lastcol = strlen(line)
- let line = substitute(line,'^\s\+','','')
- let indent = indent(lnum)
- let cindent = indent(v:lnum)
- let sw = shiftwidth()
- if cline =~# '\v^-\s*%(elsif|else|when)>'
- let indent = cindent < indent ? cindent : indent - sw
- endif
- let increase = indent + sw
- if indent == indent(lnum)
- let indent = cindent <= indent ? -1 : increase
- endif
- let group = synIDattr(synID(lnum,lastcol,1),'name')
- if line =~ '^!!!'
- return indent
- elseif line =~ '^/\%(\[[^]]*\]\)\=$'
- return increase
- elseif group == 'hamlFilter'
- return increase
- elseif line =~ '^'.s:tag.'[&!]\=[=~-]\s*\%(\%(if\|else\|elsif\|unless\|case\|when\|while\|until\|for\|begin\|module\|class\|def\)\>\%(.*\<end\>\)\@!\|.*do\%(\s*|[^|]*|\)\=\s*$\)'
- return increase
- elseif line =~ '^'.s:tag.'[&!]\=[=~-].*,\s*$'
- return increase
- elseif line == '-#'
- return increase
- elseif group =~? '\v^(hamlSelfCloser)$' || line =~? '^%\v%('.g:haml_self_closing_tags.')>'
- return indent
- elseif group =~? '\v^%(hamlTag|hamlAttributesDelimiter|hamlObjectDelimiter|hamlClass|hamlId|htmlTagName|htmlSpecialTagName)$'
- return increase
- elseif synIDattr(synID(v:lnum,1,1),'name') ==? 'hamlRubyFilter'
- return GetRubyIndent()
- else
- return indent
- endif
- endfunction
- " vim:set sw=2:
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