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+" pathogen.vim - path option manipulation
+" Maintainer: Tim Pope <http://tpo.pe/>
+" Version: 2.4
+
+" Install in ~/.vim/autoload (or ~\vimfiles\autoload).
+"
+" For management of individually installed plugins in ~/.vim/bundle (or
+" ~\vimfiles\bundle), adding `execute pathogen#infect()` to the top of your
+" .vimrc is the only other setup necessary.
+"
+" The API is documented inline below.
+
+if exists("g:loaded_pathogen") || &cp
+ finish
+endif
+let g:loaded_pathogen = 1
+
+" Point of entry for basic default usage. Give a relative path to invoke
+" pathogen#interpose() or an absolute path to invoke pathogen#surround().
+" Curly braces are expanded with pathogen#expand(): "bundle/{}" finds all
+" subdirectories inside "bundle" inside all directories in the runtime path.
+" If no arguments are given, defaults "bundle/{}", and also "pack/{}/start/{}"
+" on versions of Vim without native package support.
+function! pathogen#infect(...) abort
+ if a:0
+ let paths = filter(reverse(copy(a:000)), 'type(v:val) == type("")')
+ else
+ let paths = ['bundle/{}', 'pack/{}/start/{}']
+ endif
+ if has('packages')
+ call filter(paths, 'v:val !~# "^pack/[^/]*/start/[^/]*$"')
+ endif
+ let static = '^\%([$~\\/]\|\w:[\\/]\)[^{}*]*$'
+ for path in filter(copy(paths), 'v:val =~# static')
+ call pathogen#surround(path)
+ endfor
+ for path in filter(copy(paths), 'v:val !~# static')
+ if path =~# '^\%([$~\\/]\|\w:[\\/]\)'
+ call pathogen#surround(path)
+ else
+ call pathogen#interpose(path)
+ endif
+ endfor
+ call pathogen#cycle_filetype()
+ if pathogen#is_disabled($MYVIMRC)
+ return 'finish'
+ endif
+ return ''
+endfunction
+
+" Split a path into a list.
+function! pathogen#split(path) abort
+ if type(a:path) == type([]) | return a:path | endif
+ if empty(a:path) | return [] | endif
+ let split = split(a:path,'\\\@<!\%(\\\\\)*\zs,')
+ return map(split,'substitute(v:val,''\\\([\\,]\)'',''\1'',"g")')
+endfunction
+
+" Convert a list to a path.
+function! pathogen#join(...) abort
+ if type(a:1) == type(1) && a:1
+ let i = 1
+ let space = ' '
+ else
+ let i = 0
+ let space = ''
+ endif
+ let path = ""
+ while i < a:0
+ if type(a:000[i]) == type([])
+ let list = a:000[i]
+ let j = 0
+ while j < len(list)
+ let escaped = substitute(list[j],'[,'.space.']\|\\[\,'.space.']\@=','\\&','g')
+ let path .= ',' . escaped
+ let j += 1
+ endwhile
+ else
+ let path .= "," . a:000[i]
+ endif
+ let i += 1
+ endwhile
+ return substitute(path,'^,','','')
+endfunction
+
+" Convert a list to a path with escaped spaces for 'path', 'tag', etc.
+function! pathogen#legacyjoin(...) abort
+ return call('pathogen#join',[1] + a:000)
+endfunction
+
+" Turn filetype detection off and back on again if it was already enabled.
+function! pathogen#cycle_filetype() abort
+ if exists('g:did_load_filetypes')
+ filetype off
+ filetype on
+ endif
+endfunction
+
+" Check if a bundle is disabled. A bundle is considered disabled if its
+" basename or full name is included in the list g:pathogen_blacklist or the
+" comma delimited environment variable $VIMBLACKLIST.
+function! pathogen#is_disabled(path) abort
+ if a:path =~# '\~$'
+ return 1
+ endif
+ let sep = pathogen#slash()
+ let blacklist = get(g:, 'pathogen_blacklist', get(g:, 'pathogen_disabled', [])) + pathogen#split($VIMBLACKLIST)
+ if !empty(blacklist)
+ call map(blacklist, 'substitute(v:val, "[\\/]$", "", "")')
+ endif
+ return index(blacklist, fnamemodify(a:path, ':t')) != -1 || index(blacklist, a:path) != -1
+endfunction
+
+" Prepend the given directory to the runtime path and append its corresponding
+" after directory. Curly braces are expanded with pathogen#expand().
+function! pathogen#surround(path) abort
+ let sep = pathogen#slash()
+ let rtp = pathogen#split(&rtp)
+ let path = fnamemodify(a:path, ':s?[\\/]\=$??')
+ let before = filter(pathogen#expand(path), '!pathogen#is_disabled(v:val)')
+ let after = filter(reverse(pathogen#expand(path, sep.'after')), '!pathogen#is_disabled(v:val[0:-7])')
+ call filter(rtp, 'index(before + after, v:val) == -1')
+ let &rtp = pathogen#join(before, rtp, after)
+ return &rtp
+endfunction
+
+" For each directory in the runtime path, add a second entry with the given
+" argument appended. Curly braces are expanded with pathogen#expand().
+function! pathogen#interpose(name) abort
+ let sep = pathogen#slash()
+ let name = a:name
+ if has_key(s:done_bundles, name)
+ return ""
+ endif
+ let s:done_bundles[name] = 1
+ let list = []
+ for dir in pathogen#split(&rtp)
+ if dir =~# '\<after$'
+ let list += reverse(filter(pathogen#expand(dir[0:-6].name, sep.'after'), '!pathogen#is_disabled(v:val[0:-7])')) + [dir]
+ else
+ let list += [dir] + filter(pathogen#expand(dir.sep.name), '!pathogen#is_disabled(v:val)')
+ endif
+ endfor
+ let &rtp = pathogen#join(pathogen#uniq(list))
+ return 1
+endfunction
+
+let s:done_bundles = {}
+
+" Invoke :helptags on all non-$VIM doc directories in runtimepath.
+function! pathogen#helptags() abort
+ let sep = pathogen#slash()
+ for glob in pathogen#split(&rtp)
+ for dir in map(split(glob(glob), "\n"), 'v:val.sep."/doc/".sep')
+ if (dir)[0 : strlen($VIMRUNTIME)] !=# $VIMRUNTIME.sep && filewritable(dir) == 2 && !empty(split(glob(dir.'*.txt'))) && (!filereadable(dir.'tags') || filewritable(dir.'tags'))
+ silent! execute 'helptags' pathogen#fnameescape(dir)
+ endif
+ endfor
+ endfor
+endfunction
+
+command! -bar Helptags :call pathogen#helptags()
+
+" Execute the given command. This is basically a backdoor for --remote-expr.
+function! pathogen#execute(...) abort
+ for command in a:000
+ execute command
+ endfor
+ return ''
+endfunction
+
+" Section: Unofficial
+
+function! pathogen#is_absolute(path) abort
+ return a:path =~# (has('win32') ? '^\%([\\/]\|\w:\)[\\/]\|^[~$]' : '^[/~$]')
+endfunction
+
+" Given a string, returns all possible permutations of comma delimited braced
+" alternatives of that string. pathogen#expand('/{a,b}/{c,d}') yields
+" ['/a/c', '/a/d', '/b/c', '/b/d']. Empty braces are treated as a wildcard
+" and globbed. Actual globs are preserved.
+function! pathogen#expand(pattern, ...) abort
+ let after = a:0 ? a:1 : ''
+ let pattern = substitute(a:pattern, '^[~$][^\/]*', '\=expand(submatch(0))', '')
+ if pattern =~# '{[^{}]\+}'
+ let [pre, pat, post] = split(substitute(pattern, '\(.\{-\}\){\([^{}]\+\)}\(.*\)', "\\1\001\\2\001\\3", ''), "\001", 1)
+ let found = map(split(pat, ',', 1), 'pre.v:val.post')
+ let results = []
+ for pattern in found
+ call extend(results, pathogen#expand(pattern))
+ endfor
+ elseif pattern =~# '{}'
+ let pat = matchstr(pattern, '^.*{}[^*]*\%($\|[\\/]\)')
+ let post = pattern[strlen(pat) : -1]
+ let results = map(split(glob(substitute(pat, '{}', '*', 'g')), "\n"), 'v:val.post')
+ else
+ let results = [pattern]
+ endif
+ let vf = pathogen#slash() . 'vimfiles'
+ call map(results, 'v:val =~# "\\*" ? v:val.after : isdirectory(v:val.vf.after) ? v:val.vf.after : isdirectory(v:val.after) ? v:val.after : ""')
+ return filter(results, '!empty(v:val)')
+endfunction
+
+" \ on Windows unless shellslash is set, / everywhere else.
+function! pathogen#slash() abort
+ return !exists("+shellslash") || &shellslash ? '/' : '\'
+endfunction
+
+function! pathogen#separator() abort
+ return pathogen#slash()
+endfunction
+
+" Convenience wrapper around glob() which returns a list.
+function! pathogen#glob(pattern) abort
+ let files = split(glob(a:pattern),"\n")
+ return map(files,'substitute(v:val,"[".pathogen#slash()."/]$","","")')
+endfunction
+
+" Like pathogen#glob(), only limit the results to directories.
+function! pathogen#glob_directories(pattern) abort
+ return filter(pathogen#glob(a:pattern),'isdirectory(v:val)')
+endfunction
+
+" Remove duplicates from a list.
+function! pathogen#uniq(list) abort
+ let i = 0
+ let seen = {}
+ while i < len(a:list)
+ if (a:list[i] ==# '' && exists('empty')) || has_key(seen,a:list[i])
+ call remove(a:list,i)
+ elseif a:list[i] ==# ''
+ let i += 1
+ let empty = 1
+ else
+ let seen[a:list[i]] = 1
+ let i += 1
+ endif
+ endwhile
+ return a:list
+endfunction
+
+" Backport of fnameescape().
+function! pathogen#fnameescape(string) abort
+ if exists('*fnameescape')
+ return fnameescape(a:string)
+ elseif a:string ==# '-'
+ return '\-'
+ else
+ return substitute(escape(a:string," \t\n*?[{`$\\%#'\"|!<"),'^[+>]','\\&','')
+ endif
+endfunction
+
+" Like findfile(), but hardcoded to use the runtimepath.
+function! pathogen#runtime_findfile(file,count) abort
+ let rtp = pathogen#join(1,pathogen#split(&rtp))
+ let file = findfile(a:file,rtp,a:count)
+ if file ==# ''
+ return ''
+ else
+ return fnamemodify(file,':p')
+ endif
+endfunction
+
+" vim:set et sw=2 foldmethod=expr foldexpr=getline(v\:lnum)=~'^\"\ Section\:'?'>1'\:getline(v\:lnum)=~#'^fu'?'a1'\:getline(v\:lnum)=~#'^endf'?'s1'\:'=':