55 lines
1.5 KiB
VimL
55 lines
1.5 KiB
VimL
" @Author: Tom Link (micathom AT gmail com?subject=[vim])
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" @Website: http://www.vim.org/account/profile.php?user_id=4037
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" @License: GPL (see http://www.gnu.org/licenses/gpl.txt)
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" @Revision: 114
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" :def: function! tlib#rx#Escape(text, ?magic='m')
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" magic can be one of: m, M, v, V
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" See :help 'magic'
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function! tlib#rx#Escape(text, ...) "{{{3
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TVarArg 'magic'
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if empty(magic)
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let magic = 'm'
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endif
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if magic =~# '^\\\?m$'
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return escape(a:text, '^$.*\[]~')
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elseif magic =~# '^\\\?M$'
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return escape(a:text, '^$\')
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elseif magic =~# '^\\\?V$'
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return escape(a:text, '\')
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elseif magic =~# '^\\\?v$'
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return substitute(a:text, '[^0-9a-zA-Z_]', '\\&', 'g')
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else
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echoerr 'tlib: Unsupported magic type'
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return a:text
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endif
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endf
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" :def: function! tlib#rx#EscapeReplace(text, ?magic='m')
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" Escape return |sub-replace-special|.
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function! tlib#rx#EscapeReplace(text, ...) "{{{3
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TVarArg ['magic', 'm']
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return escape(a:text, '\&~')
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endf
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function! tlib#rx#Suffixes(...) "{{{3
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TVarArg ['magic', 'm']
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let sfx = split(&suffixes, ',')
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call map(sfx, 'tlib#rx#Escape(v:val, magic)')
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if magic ==# 'v'
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return '('. join(sfx, '|') .')$'
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elseif magic ==# 'V'
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return '\('. join(sfx, '\|') .'\)\$'
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else
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return '\('. join(sfx, '\|') .'\)$'
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endif
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endf
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function! tlib#rx#LooksLikeRegexp(text) abort "{{{3
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return a:text =~ '[.?*+{}\[\]]'
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endf
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