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autoload/pathogen.vim

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+" pathogen.vim - path option manipulation
+" Maintainer:   Tim Pope
+" Last Change:  Oct 24, 2008
+
+" Install in ~/.vim/autoload (or ~\vimfiles\autoload).
+"
+" API is documented below.
+
+if exists("g:loaded_pathogen") || &cp
+  finish
+endif
+let g:loaded_pathogen = 1
+
+" Split a path into a list.
+function! pathogen#split(path) abort " {{{1
+  if type(a:path) == type([]) | return a:path | endif
+  let split = split(a:path,'\\\@<!\%(\\\\\)*\zs,')
+  return map(split,'substitute(v:val,''\\\([\\,]\)'',''\1'',"g")')
+endfunction " }}}1
+
+" Convert a list to a path.
+function! pathogen#join(...) abort " {{{1
+  let i = 0
+  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],'[\\, ]','\\&','g')
+        if exists("+shellslash") && !&shellslash
+          let escaped = substitute(escaped,'^\(\w:\\\)\\','\1','')
+        endif
+        let path .= ',' . escaped
+        let j += 1
+      endwhile
+    else
+      let path .= "," . a:000[i]
+    endif
+    let i += 1
+  endwhile
+  return substitute(path,'^,','','')
+endfunction " }}}1
+
+" \ on Windows unless shellslash is set, / everywhere else
+function! pathogen#separator() abort " {{{1
+  return !exists("+shellslash") || &shellslash ? '/' : '\'
+endfunction " }}}1
+
+" Convenience wrapper around glob() which returns a list
+function! pathogen#glob(pattern) abort " {{{1
+  let files = split(glob(a:pattern),"\n")
+  return map(files,'substitute(v:val,"[".pathogen#separator()."/]$","","")')
+endfunction "}}}1
+
+" Like pathogen#glob(), only limit the results to directories
+function! pathogen#glob_directories(pattern) abort " {{{1
+  return filter(pathogen#glob(a:pattern),'isdirectory(v:val)')
+endfunction "}}}1
+
+" Prepend all subdirectories of path to the rtp, and append all after
+" directories in those subdirectories.
+function! pathogen#runtime_prepend_subdirectories(path) " {{{1
+  let sep    = pathogen#separator()
+  let before = pathogen#glob_directories(a:path.sep."*[^~]")
+  let after  = pathogen#glob_directories(a:path.sep."*[^~]".sep."after")
+  let rtp = pathogen#split(&rtp)
+  let path = expand(a:path)
+  call filter(rtp,'v:val[0:strlen(path)-1] !=# path')
+  let &rtp = pathogen#join(before + rtp + after)
+  return &rtp
+endfunction " }}}1
+
+" For each directory in rtp, check for a subdirectory named dir.  If it
+" exists, add all subdirectories of that subdirectory to the rtp, immediately
+" after the original directory.  If no argument is given, 'bundle' is used.
+" Repeated calls with the same arguments are ignored.
+function! pathogen#runtime_append_all_bundles(...) " {{{1
+  let sep = pathogen#separator()
+  let name = a:0 ? a:1 : 'bundle'
+  if "\n".s:done_bundles =~# "\\M\n".name."\n"
+    return ""
+  endif
+  let s:done_bundles .= name . "\n"
+  let list = []
+  for dir in pathogen#split(&rtp)
+    if dir =~# '\<after$'
+      let list +=  pathogen#glob_directories(substitute(dir,'after$',name.sep.'*[^~]'.sep.'after','')) + [dir]
+    else
+      let list +=  [dir] + pathogen#glob_directories(dir.sep.name.sep.'*[^~]')
+    endif
+  endfor
+  let &rtp = pathogen#join(list)
+  return 1
+endfunction
+
+let s:done_bundles = ''
+" }}}1
+
+" vim:set ft=vim ts=8 sw=2 sts=2: