mirror of
https://github.com/ViViDboarder/vim-settings.git
synced 2024-11-06 02:56:27 +00:00
408 lines
9.1 KiB
VimL
408 lines
9.1 KiB
VimL
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" Vim indent file Language: JavaScript
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" Author: Preston Koprivica (pkopriv2@gmail.com)
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" URL:
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" Last Change: April 30, 2010
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" 0. Standard Stuff
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" =================
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" Only load one indent script per buffer
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if exists('b:did_indent')
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finish
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endif
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let b:did_indent = 1
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" Set the global log variable 1 = logging enabled, 0 = logging disabled
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if !exists("g:js_indent_log")
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let g:js_indent_log = 0
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endif
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setlocal indentexpr=GetJsIndent(v:lnum)
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setlocal indentkeys=
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setlocal cindent
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setlocal autoindent
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" 1. Variables
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" ============
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" Inline comments (for anchoring other statements)
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let s:js_mid_line_comment = '\s*\(\/\*.*\*\/\)*\s*'
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let s:js_end_line_comment = s:js_mid_line_comment . '\s*\(//.*\)*'
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let s:js_line_comment = s:js_end_line_comment
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" Comment/String Syntax Key
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let s:syn_comment = '\(Comment\|String\|Regexp\)'
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" 2. Aux. Functions
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" =================
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" = Method: IsInComment
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"
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" Determines whether the specified position is contained in a comment. "Note:
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" This depends on a
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function! s:IsInComment(lnum, cnum)
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return synIDattr(synID(a:lnum, a:cnum, 1), 'name') =~? s:syn_comment
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endfunction
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" = Method: IsComment
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"
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" Determines whether a line is a comment or not.
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function! s:IsComment(lnum)
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let line = getline(a:lnum)
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return s:IsInComment(a:lnum, 1) && s:IsInComment(a:lnum, strlen(line)) "Doesn't absolutely work. Only Probably!
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endfunction
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" = Method: GetNonCommentLine
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"
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" Grabs the nearest non-commented line
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function! s:GetNonCommentLine(lnum)
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let lnum = prevnonblank(a:lnum)
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while lnum > 0
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if s:IsComment(lnum)
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let lnum = prevnonblank(lnum - 1)
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else
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return lnum
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endif
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endwhile
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return lnum
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endfunction
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" = Method: SearchForPair
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"
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" Returns the beginning tag of a given pair starting from the given line.
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function! s:SearchForPair(lnum, beg, end)
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" Save the cursor position.
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let curpos = getpos(".")
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" Set the cursor position to the beginning of the line (default
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" behavior when using ==)
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call cursor(a:lnum, 0)
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" Search for the opening tag
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let mnum = searchpair(a:beg, '', a:end, 'bW',
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\ 'synIDattr(synID(line("."), col("."), 0), "name") =~? s:syn_comment' )
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"Restore the cursor position
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call cursor(curpos)
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" Finally, return the matched line number
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return mnum
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endfunction
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" Object Helpers
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" ==============
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let s:object_beg = '{[^}]*' . s:js_end_line_comment . '$'
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let s:object_end = '^' . s:js_mid_line_comment . '}[;,]\='
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function! s:IsObjectBeg(line)
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return a:line =~ s:object_beg
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endfunction
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function! s:IsObjectEnd(line)
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return a:line =~ s:object_end
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endfunction
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function! s:GetObjectBeg(lnum)
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return s:SearchForPair(a:lnum, '{', '}')
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endfunction
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" Array Helpers
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" ==============
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let s:array_beg = '\[[^\]]*' . s:js_end_line_comment . '$'
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let s:array_end = '^' . s:js_mid_line_comment . '[^\[]*\][;,]*' . s:js_end_line_comment . '$'
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function! s:IsArrayBeg(line)
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return a:line =~ s:array_beg
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endfunction
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function! s:IsArrayEnd(line)
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return a:line =~ s:array_end
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endfunction
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function! s:GetArrayBeg(lnum)
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return s:SearchForPair(a:lnum, '\[', '\]')
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endfunction
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" MultiLine Declaration/Invocation Helpers
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" ========================================
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let s:paren_beg = '([^)]*' . s:js_end_line_comment . '$'
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let s:paren_end = '^' . s:js_mid_line_comment . '[^(]*)[;,]*'
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function! s:IsParenBeg(line)
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return a:line =~ s:paren_beg
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endfunction
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function! s:IsParenEnd(line)
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return a:line =~ s:paren_end
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endfunction
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function! s:GetParenBeg(lnum)
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return s:SearchForPair(a:lnum, '(', ')')
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endfunction
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" Continuation Helpers
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" ====================
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let s:continuation = '\(+\|\\\)\{1}' . s:js_line_comment . '$'
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function! s:IsContinuationLine(line)
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return a:line =~ s:continuation
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endfunction
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function! s:GetContinuationBegin(lnum)
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let cur = a:lnum
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while s:IsContinuationLine(getline(cur))
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let cur -= 1
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endwhile
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return cur + 1
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endfunction
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" Switch Helpers
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" ==============
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let s:switch_beg_next_line = 'switch\s*(.*)\s*' . s:js_mid_line_comment . s:js_end_line_comment . '$'
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let s:switch_beg_same_line = 'switch\s*(.*)\s*' . s:js_mid_line_comment . '{\s*' . s:js_line_comment . '$'
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let s:switch_mid = '^.*\(case.*\|default\)\s*:\s*'
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function! s:IsSwitchBeginNextLine(line)
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return a:line =~ s:switch_beg_next_line
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endfunction
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function! s:IsSwitchBeginSameLine(line)
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return a:line =~ s:switch_beg_same_line
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endfunction
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function! s:IsSwitchMid(line)
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return a:line =~ s:switch_mid
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endfunction
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" Control Helpers
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" ===============
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let s:cntrl_beg_keys = '\(\(\(if\|for\|with\|while\)\s*(.*)\)\|\(try\|do\)\)\s*'
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let s:cntrl_mid_keys = '\(\(\(else\s*if\|catch\)\s*(.*)\)\|\(finally\|else\)\)\s*'
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let s:cntrl_beg = s:cntrl_beg_keys . s:js_end_line_comment . '$'
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let s:cntrl_mid = s:cntrl_mid_keys . s:js_end_line_comment . '$'
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let s:cntrl_end = '\(while\s*(.*)\)\s*;\=\s*' . s:js_end_line_comment . '$'
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function! s:IsControlBeg(line)
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return a:line =~ s:cntrl_beg
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endfunction
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function! s:IsControlMid(line)
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return a:line =~ s:cntrl_mid
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endfunction
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function! s:IsControlMidStrict(line)
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return a:line =~ s:cntrl_mid
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endfunction
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function! s:IsControlEnd(line)
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return a:line =~ s:cntrl_end
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endfunction
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" = Method: Log
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"
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" Logs a message to the stdout.
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function! s:Log(msg)
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if g:js_indent_log
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echo "LOG: " . a:msg
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endif
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endfunction
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" 3. Indenter
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" ===========
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function! GetJsIndent(lnum)
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" Grab the first non-comment line prior to this line
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let pnum = s:GetNonCommentLine(a:lnum-1)
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" First line, start at indent = 0
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if pnum == 0
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call s:Log("No, noncomment lines prior to the current line.")
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return 0
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endif
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" Grab the second non-comment line prior to this line
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let ppnum = s:GetNonCommentLine(pnum-1)
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call s:Log("Line: " . a:lnum)
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call s:Log("PLine: " . pnum)
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call s:Log("PPLine: " . ppnum)
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" Grab the lines themselves.
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let line = getline(a:lnum)
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let pline = getline(pnum)
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let ppline = getline(ppnum)
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" Determine the current level of indentation
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let ind = indent(pnum)
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" Handle: Object Closers (ie })
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" =============================
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if s:IsObjectEnd(line) && !s:IsComment(a:lnum)
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call s:Log("Line matched object end")
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let obeg = s:GetObjectBeg(a:lnum)
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let oind = indent(obeg)
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let oline = getline(obeg)
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call s:Log("The object beg was found at: " . obeg)
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return oind
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endif
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if s:IsObjectBeg(pline)
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call s:Log("Pline matched object beg")
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return ind + &sw
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endif
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" Handle: Array Closer (ie ])
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" ============================
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if s:IsArrayEnd(line) && !s:IsComment(a:lnum)
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call s:Log("Line matched array end")
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let abeg = s:GetArrayBeg(a:lnum)
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let aind = indent(abeg)
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call s:Log("The array beg was found at: " . abeg)
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return aind
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endif
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if s:IsArrayBeg(pline)
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call s:Log("Pline matched array beg")
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return ind + &sw
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endif
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" Handle: Parens
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" ==============
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if s:IsParenEnd(line) && !s:IsComment(a:lnum)
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call s:Log("Line matched paren end")
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let abeg = s:GetParenBeg(a:lnum)
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let aind = indent(abeg)
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call s:Log("The paren beg was found at: " . abeg)
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return aind
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endif
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if s:IsParenBeg(pline)
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call s:Log("Pline matched paren beg")
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return ind + &sw
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endif
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" Handle: Continuation Lines.
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" ========================================================
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if s:IsContinuationLine(pline)
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call s:Log('Pline is a continuation line.')
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let cbeg = s:GetContinuationBegin(pnum)
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let cind = indent(cbeg)
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call s:Log('The continuation block begin found at: ' . cbeg)
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return cind + &sw
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endif
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if s:IsContinuationLine(ppline)
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call s:Log('PPline was a continuation line but pline wasnt.')
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return ind - &sw
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endif
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" Handle: Switch Control Blocks
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" =============================
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if s:IsSwitchMid(pline)
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call s:Log("PLine matched switch cntrl mid")
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if s:IsSwitchMid(line) || s:IsObjectEnd(line)
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call s:Log("Line matched a cntrl mid")
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return ind
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else
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call s:Log("Line didnt match a cntrl mid")
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return ind + &sw
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endif
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endif
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if s:IsSwitchMid(line)
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call s:Log("Line matched switch cntrl mid")
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return ind - &sw
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endif
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" Handle: Single Line Control Blocks
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" ==================================
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if s:IsControlBeg(pline)
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call s:Log("Pline matched control beginning")
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if s:IsControlMid(line)
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call s:Log("Line matched a control mid")
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return ind
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elseif line =~ '^\s*{\s*$'
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call s:Log("Line matched an object beg")
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return ind
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else
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return ind + &sw
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endif
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endif
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if s:IsControlMid(pline)
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call s:Log("Pline matched a control mid")
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if s:IsControlMid(line)
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call s:Log("Line matched a control mid")
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return ind
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elseif s:IsObjectBeg(line)
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call s:Log("Line matched an object beg")
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return ind
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else
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call s:Log("Line didn't match a control mid or object beg."
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return ind + &sw
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endif
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endif
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if s:IsControlMid(line)
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call s:Log("Line matched a control mid.")
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if s:IsControlEnd(pline) || s:IsObjectEnd(pline)
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call s:Log("PLine matched control end")
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return ind
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else
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call s:Log("Pline didn't match object end")
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return ind - &sw
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endif
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endif
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||
|
|
|
||
|
|
|
||
|
|
if ( s:IsControlBeg(ppline) || s:IsControlMid(ppline) ) &&
|
||
|
|
\ !s:IsObjectBeg(pline) && !s:IsObjectEnd(pline)
|
||
|
|
call s:Log("PPLine matched single line control beg or mid")
|
||
|
|
return ind - &sw
|
||
|
|
endif
|
||
|
|
|
||
|
|
" Handle: No matches
|
||
|
|
" ==================
|
||
|
|
"call s:Log("Line didn't match anything. Retaining indent")
|
||
|
|
return ind
|
||
|
|
endfunction
|