87 lines
2.7 KiB
VimL
87 lines
2.7 KiB
VimL
" File: pum_snippet.vim
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" Author: Michael Sanders (msanders42 [at] gmail [dot] com)
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" Last Updated: June 12, 2009
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" Description: Uses snipMate to jump through function or method objc
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" parameters when autocompleting. Used in cocoacomplete.vim.
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" This function is invoked whenever pum_snippet is to be used; the keys are
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" only mapped when used as the trigger, and then immediately unmapped to avoid
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" breaking abbreviations, as well as other things.
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fun! objc#pum_snippet#Map()
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ino <silent> <buffer> <space> <c-r>=objc#pum_snippet#Trigger(' ')<cr>
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if !exists('g:SuperTabMappingForward') " Only map tab if not using supertab.
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\ || (g:SuperTabMappingForward != '<tab>' && g:SuperTabMappingForward != '<tab>')
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ino <silent> <buffer> <tab> <c-r>=objc#pum_snippet#Trigger("\t")<cr>
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endif
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ino <silent> <buffer> <return> <c-r>=objc#pum_snippet#Trigger("\n")<cr>
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let s:start = col('.')
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" Completion menu can only be detected when the popup menu is visible, so
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" 'menuone' needs to be temporarily set:
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let s:cot = &cot
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set cot+=menuone
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endf
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fun! objc#pum_snippet#Unmap()
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call s:UnmapKey('<space>')
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call s:UnmapKey('<tab>')
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call s:UnmapKey('<return>')
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endf
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fun s:UnmapKey(key)
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if maparg(a:key, 'i') =~? '^<C-R>=objc#pum_snippet#Trigger('
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sil exe 'iunmap <buffer> '.a:key
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endif
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endf
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fun! objc#pum_snippet#Trigger(key)
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call objc#pum_snippet#Unmap()
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if pumvisible()
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let line = getline('.')
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let col = col('.')
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let word = matchstr(line, '\%'.s:start.'c\k\+(.\{-})\%'.col.'c')
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if word != ''
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let ConvertWord = function('s:ConvertFunction')
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elseif match(line, '\%'.s:start.'c\k\+[^()]*:[^()]*\%'.col.'c') != -1
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let word = matchstr(line, '\%'.s:start.'c\k\+[^()]*\%'.col.'c')
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let ConvertWord = function('s:ConvertMethod')
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endif
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if word != ''
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call s:ResetOptions()
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let col -= len(word)
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sil exe 's/\V'.escape(word, '\/').'\%#//'
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return snipMate#expandSnip(ConvertWord(word), col)
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endif
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endif
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call s:ResetOptions()
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return a:key
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endf
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fun s:ResetOptions()
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let &cot = s:cot
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unl s:start s:cot
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endf
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fun s:ConvertFunction(function)
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let name = matchstr(a:function, '^\k\+')
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let params = matchstr(a:function, '^\k\+(\zs.*')
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let snippet = name.'('.substitute(params, '\v(.{-1})(, |\))', '${0:\1}\2', 'g').'${0}'
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return s:OrderSnippet(snippet)
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endf
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fun s:ConvertMethod(method)
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if stridx(a:method, ':') == -1 | return a:method | endif
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let snippet = substitute(a:method, '\v\k+:\zs.{-}\ze(\s*\k+:|$)', '${0:&}', 'g')
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return s:OrderSnippet(snippet)
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endf
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" Converts "${0} foo ${0} bar ..." to "${1} foo ${2} bar", etc.
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fun s:OrderSnippet(snippet)
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let snippet = a:snippet
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let i = 1
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while stridx(snippet, '${0') != -1
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let snippet = substitute(snippet, '${0', '${'.i, '')
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let i += 1
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endw
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return snippet
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endf
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" vim:noet:sw=4:ts=4:ft=vim
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