528 lines
16 KiB
VimL
528 lines
16 KiB
VimL
if exists('g:loaded_syntastic_util_autoload') || !exists('g:loaded_syntastic_plugin')
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finish
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endif
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let g:loaded_syntastic_util_autoload = 1
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let s:save_cpo = &cpo
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set cpo&vim
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" Public functions {{{1
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function! syntastic#util#isRunningWindows() abort " {{{2
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return has('win16') || has('win32') || has('win64')
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endfunction " }}}2
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function! syntastic#util#DevNull() abort " {{{2
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if syntastic#util#isRunningWindows()
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return 'NUL'
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endif
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return '/dev/null'
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endfunction " }}}2
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" Get directory separator
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function! syntastic#util#Slash() abort " {{{2
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return (!exists('+shellslash') || &shellslash) ? '/' : '\'
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endfunction " }}}2
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function! syntastic#util#CygwinPath(path) abort " {{{2
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return substitute(syntastic#util#system('cygpath -m ' . syntastic#util#shescape(a:path)), "\n", '', 'g')
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endfunction " }}}2
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function! syntastic#util#system(command) abort " {{{2
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let old_shell = &shell
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let old_lc_messages = $LC_MESSAGES
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let old_lc_all = $LC_ALL
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let &shell = syntastic#util#var('shell')
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let $LC_MESSAGES = 'C'
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let $LC_ALL = ''
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let out = system(a:command)
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let $LC_ALL = old_lc_all
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let $LC_MESSAGES = old_lc_messages
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let &shell = old_shell
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return out
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endfunction " }}}2
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" Create a temporary directory
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function! syntastic#util#tmpdir() abort " {{{2
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let tempdir = ''
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if (has('unix') || has('mac')) && executable('mktemp') && !has('win32unix')
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" TODO: option "-t" to mktemp(1) is not portable
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let tmp = $TMPDIR !=# '' ? $TMPDIR : $TMP !=# '' ? $TMP : '/tmp'
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let out = split(syntastic#util#system('mktemp -q -d ' . tmp . '/vim-syntastic-' . getpid() . '-XXXXXXXX'), "\n")
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if v:shell_error == 0 && len(out) == 1
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let tempdir = out[0]
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endif
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endif
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if tempdir ==# ''
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if has('win32') || has('win64')
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let tempdir = $TEMP . syntastic#util#Slash() . 'vim-syntastic-' . getpid()
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elseif has('win32unix')
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let tempdir = syntastic#util#CygwinPath('/tmp/vim-syntastic-' . getpid())
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elseif $TMPDIR !=# ''
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let tempdir = $TMPDIR . '/vim-syntastic-' . getpid()
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else
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let tempdir = '/tmp/vim-syntastic-' . getpid()
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endif
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try
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call mkdir(tempdir, 'p', 0700)
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catch /\m^Vim\%((\a\+)\)\=:E739/
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call syntastic#log#error(v:exception)
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let tempdir = '.'
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endtry
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endif
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return tempdir
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endfunction " }}}2
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" Recursively remove a directory
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function! syntastic#util#rmrf(what) abort " {{{2
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" try to make sure we don't delete directories we didn't create
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if a:what !~? 'vim-syntastic-'
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return
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endif
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if getftype(a:what) ==# 'dir'
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call s:_delete(a:what, 'rf')
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else
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silent! call delete(a:what)
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endif
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endfunction " }}}2
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" Search the first 5 lines of the file for a magic number and return a map
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" containing the args and the executable
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"
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" e.g.
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"
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" #!/usr/bin/perl -f -bar
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"
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" returns
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"
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" {'exe': '/usr/bin/perl', 'args': ['-f', '-bar']}
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function! syntastic#util#parseShebang() abort " {{{2
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for lnum in range(1, 5)
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let line = getline(lnum)
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if line =~# '^#!'
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let line = substitute(line, '\v^#!\s*(\S+/env(\s+-\S+)*\s+)?', '', '')
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let exe = matchstr(line, '\m^\S*\ze')
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let args = split(matchstr(line, '\m^\S*\zs.*'))
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return { 'exe': exe, 'args': args }
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endif
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endfor
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return { 'exe': '', 'args': [] }
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endfunction " }}}2
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" Get the value of a variable. Allow local variables to override global ones.
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function! syntastic#util#var(name, ...) abort " {{{2
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return
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\ exists('b:syntastic_' . a:name) ? b:syntastic_{a:name} :
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\ exists('g:syntastic_' . a:name) ? g:syntastic_{a:name} :
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\ a:0 > 0 ? a:1 : ''
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endfunction " }}}2
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" Parse a version string. Return an array of version components.
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function! syntastic#util#parseVersion(version, ...) abort " {{{2
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return map(split(matchstr( a:version, a:0 ? a:1 : '\v^\D*\zs\d+(\.\d+)+\ze' ), '\m\.'), 'str2nr(v:val)')
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endfunction " }}}2
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" Verify that the 'installed' version is at least the 'required' version.
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"
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" 'installed' and 'required' must be arrays. If they have different lengths,
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" the "missing" elements will be assumed to be 0 for the purposes of checking.
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"
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" See http://semver.org for info about version numbers.
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function! syntastic#util#versionIsAtLeast(installed, required) abort " {{{2
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return syntastic#util#compareLexi(a:installed, a:required) >= 0
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endfunction " }}}2
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" Almost lexicographic comparison of two lists of integers. :) If lists
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" have different lengths, the "missing" elements are assumed to be 0.
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function! syntastic#util#compareLexi(a, b) abort " {{{2
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for idx in range(max([len(a:a), len(a:b)]))
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let a_element = str2nr(get(a:a, idx, 0))
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let b_element = str2nr(get(a:b, idx, 0))
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if a_element != b_element
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return a_element > b_element ? 1 : -1
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endif
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endfor
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" still here, thus everything matched
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return 0
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endfunction " }}}2
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" strwidth() was added in Vim 7.3; if it doesn't exist, we use strlen()
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" and hope for the best :)
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let s:_width = function(exists('*strwidth') ? 'strwidth' : 'strlen')
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lockvar s:_width
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function! syntastic#util#screenWidth(str, tabstop) abort " {{{2
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let chunks = split(a:str, "\t", 1)
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let width = s:_width(chunks[-1])
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for c in chunks[:-2]
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let cwidth = s:_width(c)
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let width += cwidth + a:tabstop - cwidth % a:tabstop
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endfor
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return width
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endfunction " }}}2
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" Print as much of a:msg as possible without "Press Enter" prompt appearing
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function! syntastic#util#wideMsg(msg) abort " {{{2
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let old_ruler = &ruler
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let old_showcmd = &showcmd
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"This is here because it is possible for some error messages to
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"begin with \n which will cause a "press enter" prompt.
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let msg = substitute(a:msg, "\n", '', 'g')
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"convert tabs to spaces so that the tabs count towards the window
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"width as the proper amount of characters
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let chunks = split(msg, "\t", 1)
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let msg = join(map(chunks[:-2], 'v:val . repeat(" ", &tabstop - s:_width(v:val) % &tabstop)'), '') . chunks[-1]
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let msg = strpart(msg, 0, &columns - 1)
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set noruler noshowcmd
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call syntastic#util#redraw(0)
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echo msg
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let &ruler = old_ruler
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let &showcmd = old_showcmd
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endfunction " }}}2
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" Check whether a buffer is loaded, listed, and not hidden
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function! syntastic#util#bufIsActive(buffer) abort " {{{2
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" convert to number, or hell breaks loose
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let buf = str2nr(a:buffer)
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if !bufloaded(buf) || !buflisted(buf)
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return 0
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endif
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" get rid of hidden buffers
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for tab in range(1, tabpagenr('$'))
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if index(tabpagebuflist(tab), buf) >= 0
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return 1
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endif
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endfor
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return 0
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endfunction " }}}2
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" Start in directory a:where and walk up the parent folders until it finds a
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" file named a:what; return path to that file
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function! syntastic#util#findFileInParent(what, where) abort " {{{2
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let old_suffixesadd = &suffixesadd
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let &suffixesadd = ''
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let file = findfile(a:what, escape(a:where, ' ') . ';')
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let &suffixesadd = old_suffixesadd
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return file
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endfunction " }}}2
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" Start in directory a:where and walk up the parent folders until it finds a
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" file matching a:what; return path to that file
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function! syntastic#util#findGlobInParent(what, where) abort " {{{2
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let here = fnamemodify(a:where, ':p')
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let root = syntastic#util#Slash()
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if syntastic#util#isRunningWindows() && here[1] ==# ':'
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" The drive letter is an ever-green source of fun. That's because
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" we don't care about running syntastic on Amiga these days. ;)
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let root = fnamemodify(root, ':p')
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let root = here[0] . root[1:]
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endif
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let old = ''
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while here !=# ''
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let p = split(globpath(here, a:what, 1), '\n')
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if !empty(p)
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return fnamemodify(p[0], ':p')
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elseif here ==? root || here ==? old
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break
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endif
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let old = here
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" we use ':h:h' rather than ':h' since ':p' adds a trailing '/'
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" if 'here' is a directory
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let here = fnamemodify(here, ':p:h:h')
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endwhile
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return ''
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endfunction " }}}2
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" Returns unique elements in a list
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function! syntastic#util#unique(list) abort " {{{2
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let seen = {}
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let uniques = []
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for e in a:list
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let k = string(e)
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if !has_key(seen, k)
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let seen[k] = 1
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call add(uniques, e)
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endif
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endfor
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return uniques
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endfunction " }}}2
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" A less noisy shellescape()
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function! syntastic#util#shescape(string) abort " {{{2
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return a:string =~# '\m^[A-Za-z0-9_/.-]\+$' ? a:string : shellescape(a:string)
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endfunction " }}}2
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" A less noisy shellescape(expand())
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function! syntastic#util#shexpand(string, ...) abort " {{{2
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return syntastic#util#shescape(a:0 ? expand(a:string, a:1) : expand(a:string, 1))
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endfunction " }}}2
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" Escape arguments
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function! syntastic#util#argsescape(opt) abort " {{{2
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if type(a:opt) == type('') && a:opt !=# ''
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return [a:opt]
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elseif type(a:opt) == type([])
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return map(copy(a:opt), 'syntastic#util#shescape(v:val)')
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endif
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return []
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endfunction " }}}2
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" Decode XML entities
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function! syntastic#util#decodeXMLEntities(string) abort " {{{2
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let str = a:string
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let str = substitute(str, '\m<', '<', 'g')
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let str = substitute(str, '\m>', '>', 'g')
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let str = substitute(str, '\m"', '"', 'g')
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let str = substitute(str, '\m'', "'", 'g')
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let str = substitute(str, '\m&', '\&', 'g')
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return str
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endfunction " }}}2
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function! syntastic#util#redraw(full) abort " {{{2
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if a:full
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redraw!
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else
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redraw
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endif
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endfunction " }}}2
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function! syntastic#util#dictFilter(errors, filter) abort " {{{2
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let rules = s:_translateFilter(a:filter)
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" call syntastic#log#debug(g:_SYNTASTIC_DEBUG_TRACE, "applying filter:", rules)
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try
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call filter(a:errors, rules)
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catch /\m^Vim\%((\a\+)\)\=:E/
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let msg = matchstr(v:exception, '\m^Vim\%((\a\+)\)\=:\zs.*')
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call syntastic#log#error('quiet_messages: ' . msg)
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endtry
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endfunction " }}}2
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" Return a [seconds, fractions] list of strings, representing the
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" (hopefully high resolution) time since program start
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function! syntastic#util#stamp() abort " {{{2
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return split( split(reltimestr(reltime(g:_SYNTASTIC_START)))[0], '\.' )
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endfunction " }}}2
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let s:_wid_base = 'syntastic_' . getpid() . '_' . reltimestr(g:_SYNTASTIC_START) . '_'
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let s:_wid_pool = 0
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" Add unique IDs to windows
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function! syntastic#util#setWids() abort " {{{2
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for tab in range(1, tabpagenr('$'))
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for win in range(1, tabpagewinnr(tab, '$'))
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if gettabwinvar(tab, win, 'syntastic_wid') ==# ''
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call settabwinvar(tab, win, 'syntastic_wid', s:_wid_base . s:_wid_pool)
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let s:_wid_pool += 1
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endif
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endfor
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endfor
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endfunction " }}}2
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let s:_str2float = function(exists('*str2float') ? 'str2float' : 'str2nr')
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lockvar s:_str2float
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function! syntastic#util#str2float(val) abort " {{{2
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return s:_str2float(a:val)
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endfunction " }}}2
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function! syntastic#util#float2str(val) abort " {{{2
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return s:_float2str(a:val)
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endfunction " }}}2
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" Crude printf()-like width formatter. Handles wide characters.
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function! syntastic#util#wformat(format, str) abort " {{{2
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if a:format ==# ''
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return a:str
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endif
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echomsg string(a:format) . ', ' . string(a:str)
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let specs = matchlist(a:format, '\v^(-?)(0?)(%([1-9]\d*))?%(\.(\d+))?$')
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if len(specs) < 5
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return a:str
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endif
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let flushleft = specs[1] ==# '-'
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let lpad = specs[2] ==# '0' ? '0' : ' '
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let minlen = str2nr(specs[3])
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let maxlen = str2nr(specs[4])
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let out = substitute(a:str, "\t", ' ', 'g')
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if maxlen && s:_width(out) > maxlen
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let chars = filter(split(out, '\zs\ze', 1), 'v:val !=# ""')
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let out = ''
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if flushleft
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for c in chars
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if s:_width(out . c) < maxlen
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let out .= c
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else
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let out .= &encoding ==# 'utf-8' && &termencoding ==# 'utf-8' ? "\u2026" : '>'
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break
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endif
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endfor
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else
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call reverse(chars)
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for c in chars
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if s:_width(c . out) < maxlen
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let out = c . out
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else
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let out = (&encoding ==# 'utf-8' && &termencoding ==# 'utf-8' ? "\u2026" : '<') . out
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break
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endif
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endfor
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endif
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endif
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if minlen && s:_width(out) < minlen
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if flushleft
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let out .= repeat(' ', minlen - s:_width(out))
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else
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let out = repeat(lpad, minlen - s:_width(out)) . out
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endif
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endif
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return out
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endfunction " }}}2
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" }}}1
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" Private functions {{{1
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function! s:_translateFilter(filters) abort " {{{2
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let conditions = []
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for k in keys(a:filters)
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if type(a:filters[k]) == type([])
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call extend(conditions, map(copy(a:filters[k]), 's:_translateElement(k, v:val)'))
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else
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call add(conditions, s:_translateElement(k, a:filters[k]))
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endif
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endfor
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if conditions == []
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let conditions = ['1']
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endif
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return len(conditions) == 1 ? conditions[0] : join(map(conditions, '"(" . v:val . ")"'), ' && ')
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endfunction " }}}2
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function! s:_translateElement(key, term) abort " {{{2
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let fkey = a:key
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if fkey[0] ==# '!'
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let fkey = fkey[1:]
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let not = 1
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else
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let not = 0
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endif
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if fkey ==? 'level'
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let op = not ? ' ==? ' : ' !=? '
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let ret = 'v:val["type"]' . op . string(a:term[0])
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elseif fkey ==? 'type'
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if a:term ==? 'style'
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let op = not ? ' ==? ' : ' !=? '
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let ret = 'get(v:val, "subtype", "")' . op . '"style"'
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else
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let op = not ? '!' : ''
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let ret = op . 'has_key(v:val, "subtype")'
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endif
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elseif fkey ==? 'regex'
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let op = not ? ' =~? ' : ' !~? '
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let ret = 'v:val["text"]' . op . string(a:term)
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elseif fkey ==? 'file' || fkey[:4] ==? 'file:'
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let op = not ? ' =~# ' : ' !~# '
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let ret = 'bufname(str2nr(v:val["bufnr"]))'
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let mod = fkey[4:]
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if mod !=# ''
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let ret = 'fnamemodify(' . ret . ', ' . string(mod) . ')'
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endif
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let ret .= op . string(a:term)
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else
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call syntastic#log#warn('quiet_messages: ignoring invalid key ' . strtrans(string(fkey)))
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let ret = '1'
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endif
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return ret
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endfunction " }}}2
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" @vimlint(EVL103, 1, a:flags)
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function! s:_delete_dumb(what, flags) abort " {{{2
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if !exists('s:rmrf')
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let s:rmrf =
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\ has('unix') || has('mac') ? 'rm -rf' :
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\ has('win32') || has('win64') ? 'rmdir /S /Q' :
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\ has('win16') || has('win95') || has('dos16') || has('dos32') ? 'deltree /Y' : ''
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endif
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if s:rmrf !=# ''
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silent! call syntastic#util#system(s:rmrf . ' ' . syntastic#util#shescape(a:what))
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else
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call s:_rmrf(a:what)
|
|
endif
|
|
endfunction " }}}2
|
|
" @vimlint(EVL103, 0, a:flags)
|
|
|
|
" delete(dir, 'rf') was added in Vim 7.4.1107, but it didn't become usable until 7.4.1128
|
|
let s:_delete = function(v:version > 704 || (v:version == 704 && has('patch1128')) ? 'delete' : 's:_delete_dumb')
|
|
lockvar s:_delete
|
|
|
|
function! s:_rmrf(what) abort " {{{2
|
|
if !exists('s:rmdir')
|
|
let s:rmdir = syntastic#util#shescape(get(g:, 'netrw_localrmdir', 'rmdir'))
|
|
endif
|
|
|
|
if getftype(a:what) ==# 'dir'
|
|
if filewritable(a:what) != 2
|
|
return
|
|
endif
|
|
|
|
for f in split(globpath(a:what, '*', 1), "\n")
|
|
call s:_rmrf(f)
|
|
endfor
|
|
silent! call syntastic#util#system(s:rmdir . ' ' . syntastic#util#shescape(a:what))
|
|
else
|
|
silent! call delete(a:what)
|
|
endif
|
|
endfunction " }}}2
|
|
|
|
function! s:_float2str_smart(val) abort " {{{2
|
|
return printf('%.1f', a:val)
|
|
endfunction " }}}2
|
|
|
|
function! s:_float2str_dumb(val) abort " {{{2
|
|
return a:val
|
|
endfunction " }}}2
|
|
|
|
let s:_float2str = function(has('float') ? 's:_float2str_smart' : 's:_float2str_dumb')
|
|
lockvar s:_float2str
|
|
|
|
" }}}1
|
|
|
|
let &cpo = s:save_cpo
|
|
unlet s:save_cpo
|
|
|
|
" vim: set sw=4 sts=4 et fdm=marker:
|