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425
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1 " pathogen.vim - path option manipulation
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2 " Maintainer: Tim Pope <http://tpo.pe/>
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589
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3 " Version: 2.4
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425
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4
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5 " Install in ~/.vim/autoload (or ~\vimfiles\autoload).
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6 "
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7 " For management of individually installed plugins in ~/.vim/bundle (or
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569
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8 " ~\vimfiles\bundle), adding `execute pathogen#infect()` to the top of your
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425
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9 " .vimrc is the only other setup necessary.
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10 "
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11 " The API is documented inline below.
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425
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12
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13 if exists("g:loaded_pathogen") || &cp
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14 finish
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15 endif
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16 let g:loaded_pathogen = 1
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17
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18 " Point of entry for basic default usage. Give a relative path to invoke
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612
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19 " pathogen#interpose() or an absolute path to invoke pathogen#surround().
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20 " Curly braces are expanded with pathogen#expand(): "bundle/{}" finds all
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21 " subdirectories inside "bundle" inside all directories in the runtime path.
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22 " If no arguments are given, defaults "bundle/{}", and also "pack/{}/start/{}"
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23 " on versions of Vim without native package support.
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24 function! pathogen#infect(...) abort
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25 if a:0
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26 let paths = filter(reverse(copy(a:000)), 'type(v:val) == type("")')
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27 else
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28 let paths = ['bundle/{}', 'pack/{}/start/{}']
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29 endif
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30 if has('packages')
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31 call filter(paths, 'v:val !~# "^pack/[^/]*/start/[^/]*$"')
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32 endif
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33 let static = '^\%([$~\\/]\|\w:[\\/]\)[^{}*]*$'
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34 for path in filter(copy(paths), 'v:val =~# static')
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35 call pathogen#surround(path)
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36 endfor
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37 for path in filter(copy(paths), 'v:val !~# static')
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38 if path =~# '^\%([$~\\/]\|\w:[\\/]\)'
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39 call pathogen#surround(path)
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40 else
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41 call pathogen#interpose(path)
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42 endif
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43 endfor
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44 call pathogen#cycle_filetype()
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45 if pathogen#is_disabled($MYVIMRC)
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46 return 'finish'
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47 endif
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48 return ''
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49 endfunction
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50
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51 " Split a path into a list.
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52 function! pathogen#split(path) abort
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53 if type(a:path) == type([]) | return a:path | endif
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54 if empty(a:path) | return [] | endif
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55 let split = split(a:path,'\\\@<!\%(\\\\\)*\zs,')
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56 return map(split,'substitute(v:val,''\\\([\\,]\)'',''\1'',"g")')
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57 endfunction
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58
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59 " Convert a list to a path.
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60 function! pathogen#join(...) abort
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61 if type(a:1) == type(1) && a:1
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62 let i = 1
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63 let space = ' '
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64 else
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65 let i = 0
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66 let space = ''
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67 endif
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68 let path = ""
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69 while i < a:0
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70 if type(a:000[i]) == type([])
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71 let list = a:000[i]
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72 let j = 0
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73 while j < len(list)
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74 let escaped = substitute(list[j],'[,'.space.']\|\\[\,'.space.']\@=','\\&','g')
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75 let path .= ',' . escaped
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76 let j += 1
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77 endwhile
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78 else
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79 let path .= "," . a:000[i]
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80 endif
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81 let i += 1
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82 endwhile
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83 return substitute(path,'^,','','')
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84 endfunction
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85
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86 " Convert a list to a path with escaped spaces for 'path', 'tag', etc.
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87 function! pathogen#legacyjoin(...) abort
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88 return call('pathogen#join',[1] + a:000)
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89 endfunction
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90
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91 " Turn filetype detection off and back on again if it was already enabled.
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92 function! pathogen#cycle_filetype() abort
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93 if exists('g:did_load_filetypes')
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94 filetype off
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95 filetype on
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96 endif
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97 endfunction
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98
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99 " Check if a bundle is disabled. A bundle is considered disabled if its
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100 " basename or full name is included in the list g:pathogen_blacklist or the
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101 " comma delimited environment variable $VIMBLACKLIST.
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102 function! pathogen#is_disabled(path) abort
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103 if a:path =~# '\~$'
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104 return 1
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105 endif
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106 let sep = pathogen#slash()
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107 let blacklist = get(g:, 'pathogen_blacklist', get(g:, 'pathogen_disabled', [])) + pathogen#split($VIMBLACKLIST)
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108 if !empty(blacklist)
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109 call map(blacklist, 'substitute(v:val, "[\\/]$", "", "")')
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110 endif
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111 return index(blacklist, fnamemodify(a:path, ':t')) != -1 || index(blacklist, a:path) != -1
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112 endfunction
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113
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114 " Prepend the given directory to the runtime path and append its corresponding
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115 " after directory. Curly braces are expanded with pathogen#expand().
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116 function! pathogen#surround(path) abort
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117 let sep = pathogen#slash()
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118 let rtp = pathogen#split(&rtp)
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119 let path = fnamemodify(a:path, ':s?[\\/]\=$??')
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120 let before = filter(pathogen#expand(path), '!pathogen#is_disabled(v:val)')
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121 let after = filter(reverse(pathogen#expand(path, sep.'after')), '!pathogen#is_disabled(v:val[0:-7])')
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122 call filter(rtp, 'index(before + after, v:val) == -1')
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123 let &rtp = pathogen#join(before, rtp, after)
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124 return &rtp
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125 endfunction
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126
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127 " For each directory in the runtime path, add a second entry with the given
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128 " argument appended. Curly braces are expanded with pathogen#expand().
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129 function! pathogen#interpose(name) abort
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130 let sep = pathogen#slash()
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131 let name = a:name
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132 if has_key(s:done_bundles, name)
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133 return ""
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134 endif
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135 let s:done_bundles[name] = 1
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136 let list = []
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137 for dir in pathogen#split(&rtp)
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138 if dir =~# '\<after$'
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139 let list += reverse(filter(pathogen#expand(dir[0:-6].name, sep.'after'), '!pathogen#is_disabled(v:val[0:-7])')) + [dir]
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140 else
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141 let list += [dir] + filter(pathogen#expand(dir.sep.name), '!pathogen#is_disabled(v:val)')
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142 endif
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143 endfor
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144 let &rtp = pathogen#join(pathogen#uniq(list))
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145 return 1
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146 endfunction
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147
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148 let s:done_bundles = {}
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149
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150 " Invoke :helptags on all non-$VIM doc directories in runtimepath.
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151 function! pathogen#helptags() abort
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152 let sep = pathogen#slash()
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153 for glob in pathogen#split(&rtp)
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154 for dir in map(split(glob(glob), "\n"), 'v:val.sep."/doc/".sep')
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155 if (dir)[0 : strlen($VIMRUNTIME)] !=# $VIMRUNTIME.sep && filewritable(dir) == 2 && !empty(split(glob(dir.'*.txt'))) && (!filereadable(dir.'tags') || filewritable(dir.'tags'))
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156 silent! execute 'helptags' pathogen#fnameescape(dir)
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157 endif
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158 endfor
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159 endfor
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160 endfunction
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161
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162 command! -bar Helptags :call pathogen#helptags()
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163
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164 " Execute the given command. This is basically a backdoor for --remote-expr.
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165 function! pathogen#execute(...) abort
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166 for command in a:000
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167 execute command
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168 endfor
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169 return ''
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170 endfunction
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171
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172 " Section: Unofficial
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173
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174 function! pathogen#is_absolute(path) abort
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175 return a:path =~# (has('win32') ? '^\%([\\/]\|\w:\)[\\/]\|^[~$]' : '^[/~$]')
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176 endfunction
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177
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178 " Given a string, returns all possible permutations of comma delimited braced
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179 " alternatives of that string. pathogen#expand('/{a,b}/{c,d}') yields
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180 " ['/a/c', '/a/d', '/b/c', '/b/d']. Empty braces are treated as a wildcard
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181 " and globbed. Actual globs are preserved.
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182 function! pathogen#expand(pattern, ...) abort
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183 let after = a:0 ? a:1 : ''
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184 let pattern = substitute(a:pattern, '^[~$][^\/]*', '\=expand(submatch(0))', '')
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185 if pattern =~# '{[^{}]\+}'
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186 let [pre, pat, post] = split(substitute(pattern, '\(.\{-\}\){\([^{}]\+\)}\(.*\)', "\\1\001\\2\001\\3", ''), "\001", 1)
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187 let found = map(split(pat, ',', 1), 'pre.v:val.post')
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188 let results = []
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189 for pattern in found
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190 call extend(results, pathogen#expand(pattern))
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191 endfor
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192 elseif pattern =~# '{}'
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193 let pat = matchstr(pattern, '^.*{}[^*]*\%($\|[\\/]\)')
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194 let post = pattern[strlen(pat) : -1]
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195 let results = map(split(glob(substitute(pat, '{}', '*', 'g')), "\n"), 'v:val.post')
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196 else
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197 let results = [pattern]
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198 endif
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199 let vf = pathogen#slash() . 'vimfiles'
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200 call map(results, 'v:val =~# "\\*" ? v:val.after : isdirectory(v:val.vf.after) ? v:val.vf.after : isdirectory(v:val.after) ? v:val.after : ""')
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201 return filter(results, '!empty(v:val)')
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202 endfunction
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203
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204 " \ on Windows unless shellslash is set, / everywhere else.
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205 function! pathogen#slash() abort
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206 return !exists("+shellslash") || &shellslash ? '/' : '\'
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207 endfunction
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208
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209 function! pathogen#separator() abort
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210 return pathogen#slash()
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211 endfunction
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212
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213 " Convenience wrapper around glob() which returns a list.
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214 function! pathogen#glob(pattern) abort
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215 let files = split(glob(a:pattern),"\n")
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216 return map(files,'substitute(v:val,"[".pathogen#slash()."/]$","","")')
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217 endfunction
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218
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219 " Like pathogen#glob(), only limit the results to directories.
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220 function! pathogen#glob_directories(pattern) abort
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221 return filter(pathogen#glob(a:pattern),'isdirectory(v:val)')
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222 endfunction
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223
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224 " Remove duplicates from a list.
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225 function! pathogen#uniq(list) abort
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226 let i = 0
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227 let seen = {}
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228 while i < len(a:list)
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229 if (a:list[i] ==# '' && exists('empty')) || has_key(seen,a:list[i])
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230 call remove(a:list,i)
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231 elseif a:list[i] ==# ''
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232 let i += 1
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233 let empty = 1
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234 else
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235 let seen[a:list[i]] = 1
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236 let i += 1
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237 endif
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238 endwhile
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239 return a:list
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240 endfunction
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241
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242 " Backport of fnameescape().
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243 function! pathogen#fnameescape(string) abort
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244 if exists('*fnameescape')
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245 return fnameescape(a:string)
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246 elseif a:string ==# '-'
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247 return '\-'
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248 else
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249 return substitute(escape(a:string," \t\n*?[{`$\\%#'\"|!<"),'^[+>]','\\&','')
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250 endif
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251 endfunction
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252
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253 " Like findfile(), but hardcoded to use the runtimepath.
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254 function! pathogen#runtime_findfile(file,count) abort
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255 let rtp = pathogen#join(1,pathogen#split(&rtp))
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256 let file = findfile(a:file,rtp,a:count)
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257 if file ==# ''
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258 return ''
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259 else
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260 return fnamemodify(file,':p')
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261 endif
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262 endfunction
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263
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264 " vim:set et sw=2 foldmethod=expr foldexpr=getline(v\:lnum)=~'^\"\ Section\:'?'>1'\:getline(v\:lnum)=~#'^fu'?'a1'\:getline(v\:lnum)=~#'^endf'?'s1'\:'=':
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