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1 " Vim filetype plugin file
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2 " Language: man
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3 " Maintainer: Nam SungHyun <namsh@kldp.org>
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4 " Last Change: 2003 Dec 24
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5
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6 " To make the ":Man" command available before editing a manual page, source
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7 " this script from your startup vimrc file.
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8
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9 " If 'filetype' isn't "man", we must have been called to only define ":Man".
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10 if &filetype == "man"
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11
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12 " Only do this when not done yet for this buffer
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13 if exists("b:did_ftplugin")
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14 finish
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15 endif
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16 let b:did_ftplugin = 1
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17
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18 " allow dot and dash in manual page name.
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19 setlocal iskeyword+=\.,-
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20
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21 " Add mappings, unless the user didn't want this.
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22 if !exists("no_plugin_maps") && !exists("no_man_maps")
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23 if !hasmapto('<Plug>ManBS')
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24 nmap <buffer> <LocalLeader>h <Plug>ManBS
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25 endif
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26 nnoremap <buffer> <Plug>ManBS :%s/.\b//g<CR>:set nomod<CR>''
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27
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28 nnoremap <buffer> <c-]> :call <SID>PreGetPage(v:count)<CR>
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29 nnoremap <buffer> <c-t> :call <SID>PopPage()<CR>
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30 endif
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31
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32 endif
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33
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34 if exists(":Man") != 2
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35 com -nargs=+ Man call s:GetPage(<f-args>)
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36 nmap <Leader>K :call <SID>PreGetPage(0)<CR>
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37 endif
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38
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39 " Define functions only once.
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40 if !exists("s:man_tag_depth")
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41
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42 let s:man_tag_depth = 0
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43
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44 if !has("win32") && $OSTYPE !~ 'cygwin\|linux' && system('uname -s') =~ "SunOS" && system('uname -r') =~ "^5"
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45 let s:man_sect_arg = "-s"
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46 let s:man_find_arg = "-l"
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47 else
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48 let s:man_sect_arg = ""
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49 let s:man_find_arg = "-w"
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50 endif
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51
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52 func <SID>PreGetPage(cnt)
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53 if a:cnt == 0
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54 let old_isk = &iskeyword
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55 setl iskeyword+=(,)
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56 let str = expand("<cword>")
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57 let &l:iskeyword = old_isk
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58 let page = substitute(str, '(*\(\k\+\).*', '\1', '')
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59 let sect = substitute(str, '\(\k\+\)(\([^()]*\)).*', '\2', '')
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60 if match(sect, '^[0-9 ]\+$') == -1
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61 let sect = ""
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62 endif
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63 if sect == page
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64 let sect = ""
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65 endif
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66 else
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67 let sect = a:cnt
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68 let page = expand("<cword>")
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69 endif
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70 call s:GetPage(sect, page)
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71 endfunc
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72
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73 func <SID>GetCmdArg(sect, page)
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74 if a:sect == ''
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75 return a:page
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76 endif
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77 return s:man_sect_arg.' '.a:sect.' '.a:page
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78 endfunc
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79
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80 func <SID>FindPage(sect, page)
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81 let where = system("/usr/bin/man ".s:man_find_arg.' '.s:GetCmdArg(a:sect, a:page))
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82 if where !~ "^/"
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83 if matchstr(where, " [^ ]*$") !~ "^ /"
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84 return 0
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85 endif
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86 endif
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87 return 1
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88 endfunc
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89
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90 func <SID>GetPage(...)
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91 if a:0 >= 2
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92 let sect = a:1
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93 let page = a:2
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94 elseif a:0 >= 1
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95 let sect = ""
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96 let page = a:1
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97 else
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98 return
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99 endif
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100
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101 " To support: nmap K :Man <cword>
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102 if page == '<cword>'
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103 let page = expand('<cword>')
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104 endif
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105
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106 if sect != "" && s:FindPage(sect, page) == 0
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107 let sect = ""
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108 endif
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109 if s:FindPage(sect, page) == 0
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110 echo "\nCannot find a '".page."'."
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111 return
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112 endif
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113 exec "let s:man_tag_buf_".s:man_tag_depth." = ".bufnr("%")
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114 exec "let s:man_tag_lin_".s:man_tag_depth." = ".line(".")
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115 exec "let s:man_tag_col_".s:man_tag_depth." = ".col(".")
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116 let s:man_tag_depth = s:man_tag_depth + 1
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117
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118 " Use an existing "man" window if it exists, otherwise open a new one.
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119 if &filetype != "man"
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120 let thiswin = winnr()
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121 exe "norm! \<C-W>b"
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122 if winnr() == 1
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123 new
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124 else
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125 exe "norm! " . thiswin . "\<C-W>w"
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126 while 1
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127 if &filetype == "man"
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128 break
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129 endif
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130 exe "norm! \<C-W>w"
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131 if thiswin == winnr()
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132 new
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133 break
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134 endif
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135 endwhile
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136 endif
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137 endif
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138 silent exec "edit $HOME/".page.".".sect."~"
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139 " Avoid warning for editing the dummy file twice
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140 set buftype=nofile noswapfile
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141
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142 set ma
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143 silent exec "norm 1GdG"
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144 let $MANWIDTH = winwidth(0)
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145 silent exec "r!/usr/bin/man ".s:GetCmdArg(sect, page)." | col -b"
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146 " Remove blank lines from top and bottom.
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147 while getline(1) =~ '^\s*$'
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148 silent norm ggdd
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149 endwhile
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150 while getline('$') =~ '^\s*$'
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151 silent norm Gdd
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152 endwhile
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153 1
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154 setl ft=man nomod
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155 setl bufhidden=hide
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156 setl nobuflisted
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157 endfunc
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158
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159 func <SID>PopPage()
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160 if s:man_tag_depth > 0
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161 let s:man_tag_depth = s:man_tag_depth - 1
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162 exec "let s:man_tag_buf=s:man_tag_buf_".s:man_tag_depth
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163 exec "let s:man_tag_lin=s:man_tag_lin_".s:man_tag_depth
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164 exec "let s:man_tag_col=s:man_tag_col_".s:man_tag_depth
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165 exec s:man_tag_buf."b"
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166 exec s:man_tag_lin
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167 exec "norm ".s:man_tag_col."|"
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168 exec "unlet s:man_tag_buf_".s:man_tag_depth
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169 exec "unlet s:man_tag_lin_".s:man_tag_depth
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170 exec "unlet s:man_tag_col_".s:man_tag_depth
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171 unlet s:man_tag_buf s:man_tag_lin s:man_tag_col
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172 endif
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173 endfunc
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174
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175 endif
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176
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177 " vim: set sw=2:
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