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https://github.com/inkarkat/vim-ingo-library.git
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Ingo Karkat
a7dc6acdc7
Add ingo#cmdargs#GetUnescapedExpr(); when there's no need for empty expressions, the removal of the (single / double) quotes may be unexpected.
91 lines
3.3 KiB
VimL
91 lines
3.3 KiB
VimL
" ingo/cmdargs.vim: Functions for parsing of command arguments.
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"
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" DEPENDENCIES:
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"
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" Copyright: (C) 2012-2015 Ingo Karkat
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" The VIM LICENSE applies to this script; see ':help copyright'.
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"
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" Maintainer: Ingo Karkat <ingo@karkat.de>
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"
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" REVISION DATE REMARKS
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" 1.024.008 22-Apr-2015 FIX: ingo#cmdargs#GetStringExpr(): Escape
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" (unescaped) double quotes when the argument
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" contains backslashes; else, the expansion of \x
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" will silently fail.
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" Add ingo#cmdargs#GetUnescapedExpr(); when
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" there's no need for empty expressions, the
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" removal of the (single / double) quotes may be
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" unexpected.
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" 1.007.007 01-Jun-2013 Move functions from ingo/cmdargs.vim to
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" ingo/cmdargs/pattern.vim and
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" ingo/cmdargs/substitute.vim.
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" 1.006.006 29-May-2013 Again change
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" ingo#cmdargs#ParseSubstituteArgument() interface
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" to parse the :substitute [flags] [count] by
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" default.
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" 1.006.005 28-May-2013 BUG: ingo#cmdargs#ParseSubstituteArgument()
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" mistakenly returns a:defaultFlags when full
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" /pat/repl/ or a literal pat is passed. Only
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" return a:defaultFlags when the passed
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" a:arguments is really empty.
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" CHG: Redesign
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" ingo#cmdargs#ParseSubstituteArgument() interface
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" to the existing use cases. a:defaultReplacement
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" should only be used when a:arguments is really
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" empty, too. Introduce an optional options
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" Dictionary and preset replacement / flags
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" defaults of "~" and "&" resp. for when
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" a:arguments is really empty, which makes sense
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" for use with :substitute. Allow submatches for
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" a:flagsExpr via a:options.flagsMatchCount, to
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" avoid further parsing in the client.
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" ENH: Also parse lone {flags} (if a:flagsExpr is
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" given) by default, and allow to turn this off
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" via a:options.isAllowLoneFlags.
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" ENH: Allow to pass a:options.emptyPattern, too.
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" 1.001.004 21-Feb-2013 Move to ingo-library.
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" 003 29-Jan-2013 Add ingocmdargs#ParseSubstituteArgument() for
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" use in PatternsOnText/Except.vim and
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" ExtractMatchesToReg.vim.
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" Change ingocmdargs#UnescapePatternArgument() to
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" take the result of
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" ingocmdargs#ParsePatternArgument() instead of
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" invoking that function itself. And make it
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" handle an empty separator.
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" 002 21-Jan-2013 Add ingocmdargs#ParsePatternArgument() and
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" ingocmdargs#UnescapePatternArgument() from
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" PatternsOnText.vim.
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" 001 25-Nov-2012 file creation from CaptureClipboard.vim.
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function! ingo#cmdargs#GetUnescapedExpr( argument )
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try
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if a:argument =~# '\\'
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" The argument contains escape characters, evaluate them.
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execute 'let l:expr = "' . substitute(a:argument, '\%(\%(^\|[^\\]\)\%(\\\\\)*\\\)\@<!"', '\\"', 'g') . '"'
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else
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let l:expr = a:argument
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endif
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catch /^Vim\%((\a\+)\)\=:/
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let l:expr = a:argument
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endtry
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return l:expr
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endfunction
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function! ingo#cmdargs#GetStringExpr( argument )
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try
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if a:argument =~# '^\([''"]\).*\1$'
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" The argument is quoted, evaluate it.
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execute 'let l:expr =' a:argument
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elseif a:argument =~# '\\'
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" The argument contains escape characters, evaluate them.
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execute 'let l:expr = "' . substitute(a:argument, '\%(\%(^\|[^\\]\)\%(\\\\\)*\\\)\@<!"', '\\"', 'g') . '"'
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else
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let l:expr = a:argument
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endif
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catch /^Vim\%((\a\+)\)\=:/
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let l:expr = a:argument
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endtry
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return l:expr
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endfunction
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" vim: set ts=8 sts=4 sw=4 noexpandtab ff=unix fdm=syntax :
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