103 lines
3.1 KiB
VimL
103 lines
3.1 KiB
VimL
" arg.vim
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" @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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" @Created: 2007-06-30.
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" @Last Change: 2009-02-15.
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" @Revision: 0.0.50
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if &cp || exists("loaded_tlib_arg_autoload")
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finish
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endif
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let loaded_tlib_arg_autoload = 1
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" :def: function! tlib#arg#Get(n, var, ?default="", ?test='')
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" Set a positional argument from a variable argument list.
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" See tlib#string#RemoveBackslashes() for an example.
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function! tlib#arg#Get(n, var, ...) "{{{3
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let default = a:0 >= 1 ? a:1 : ''
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let atest = a:0 >= 2 ? a:2 : ''
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" TLogVAR default, atest
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if !empty(atest)
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let atest = ' && (a:'. a:n .' '. atest .')'
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endif
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let test = printf('a:0 >= %d', a:n) . atest
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return printf('let %s = %s ? a:%d : %s', a:var, test, a:n, string(default))
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endf
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" :def: function! tlib#arg#Let(list, ?default='')
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" Set a positional arguments from a variable argument list.
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" See tlib#input#List() for an example.
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function! tlib#arg#Let(list, ...) "{{{3
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let default = a:0 >= 1 ? a:1 : ''
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let list = map(copy(a:list), 'type(v:val) == 3 ? v:val : [v:val, default]')
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let args = map(range(1, len(list)), 'call("tlib#arg#Get", [v:val] + list[v:val - 1])')
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return join(args, ' | ')
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endf
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" :def: function! tlib#arg#Key(dict, list, ?default='')
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" See |:TKeyArg|.
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function! tlib#arg#Key(list, ...) "{{{3
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let default = a:0 >= 1 ? a:1 : ''
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let dict = a:list[0]
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let list = map(copy(a:list[1:-1]), 'type(v:val) == 3 ? v:val : [v:val, default]')
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let args = map(list, '"let ". v:val[0] ." = ". string(get(dict, v:val[0], v:val[1]))')
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" TLogVAR dict, list, args
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return join(args, ' | ')
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endf
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" :def: function! tlib#arg#StringAsKeyArgs(string, ?keys=[], ?evaluate=0)
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function! tlib#arg#StringAsKeyArgs(string, ...) "{{{1
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TVarArg ['keys', {}], ['evaluate', 0]
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let keyargs = {}
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let args = split(a:string, '\\\@<! ')
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let arglist = map(args, 'matchlist(v:val, ''^\(\w\+\):\(.*\)$'')')
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" TLogVAR a:string, args, arglist
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for matchlist in arglist
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if len(matchlist) < 3
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throw 'Malformed key arguments: '. string(matchlist) .' in '. a:string
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endif
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let [match, key, val; rest] = matchlist
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if empty(keys) || has_key(keys, key)
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let val = substitute(val, '\\\\', '\\', 'g')
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if evaluate
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let val = eval(val)
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endif
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let keyargs[key] = val
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else
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echom 'Unknown key: '. key .'='. val
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endif
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endfor
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return keyargs
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endf
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""" Command line {{{1
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" :def: function! tlib#arg#Ex(arg, ?chars='%#! ')
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" Escape some characters in a string.
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"
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" Use |fnamescape()| if available.
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"
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" EXAMPLES: >
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" exec 'edit '. tlib#arg#Ex('foo%#bar.txt')
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function! tlib#arg#Ex(arg, ...) "{{{3
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if exists('*fnameescape') && a:0 == 0
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return fnameescape(a:arg)
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else
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" let chars = '%# \'
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let chars = '%#! '
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if a:0 >= 1
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let chars .= a:1
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endif
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return escape(a:arg, chars)
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endif
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endf
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