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7
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1 " Vim syntax support file
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2 " Maintainer: Bram Moolenaar <Bram@vim.org>
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170
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3 " Last Change: 2005 Feb 26
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7
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4 " (modified by David Ne\v{c}as (Yeti) <yeti@physics.muni.cz>)
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5 " (XHTML support by Panagiotis Issaris <takis@lumumba.luc.ac.be>)
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6
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7 " Transform a file into HTML, using the current syntax highlighting.
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8
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9 " Number lines when explicitely requested or when `number' is set
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10 if exists("html_number_lines")
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11 let s:numblines = html_number_lines
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12 else
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13 let s:numblines = &number
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14 endif
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15
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16 " When not in gui we can only guess the colors.
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17 if has("gui_running")
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18 let s:whatterm = "gui"
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19 else
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20 let s:whatterm = "cterm"
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21 if &t_Co == 8
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22 let s:cterm_color0 = "#808080"
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23 let s:cterm_color1 = "#ff6060"
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24 let s:cterm_color2 = "#00ff00"
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25 let s:cterm_color3 = "#ffff00"
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26 let s:cterm_color4 = "#8080ff"
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27 let s:cterm_color5 = "#ff40ff"
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28 let s:cterm_color6 = "#00ffff"
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29 let s:cterm_color7 = "#ffffff"
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30 else
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31 let s:cterm_color0 = "#000000"
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32 let s:cterm_color1 = "#c00000"
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33 let s:cterm_color2 = "#008000"
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34 let s:cterm_color3 = "#804000"
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35 let s:cterm_color4 = "#0000c0"
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36 let s:cterm_color5 = "#c000c0"
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37 let s:cterm_color6 = "#008080"
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38 let s:cterm_color7 = "#c0c0c0"
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39 let s:cterm_color8 = "#808080"
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40 let s:cterm_color9 = "#ff6060"
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41 let s:cterm_color10 = "#00ff00"
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42 let s:cterm_color11 = "#ffff00"
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43 let s:cterm_color12 = "#8080ff"
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44 let s:cterm_color13 = "#ff40ff"
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45 let s:cterm_color14 = "#00ffff"
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46 let s:cterm_color15 = "#ffffff"
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47 endif
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48 endif
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49
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50 " Return good color specification: in GUI no transformation is done, in
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51 " terminal return RGB values of known colors and empty string on unknown
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52 if s:whatterm == "gui"
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53 function! s:HtmlColor(color)
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54 return a:color
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55 endfun
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56 else
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57 function! s:HtmlColor(color)
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58 if exists("s:cterm_color" . a:color)
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59 execute "return s:cterm_color" . a:color
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60 else
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61 return ""
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62 endif
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63 endfun
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64 endif
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65
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66 if !exists("html_use_css")
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67 " Return opening HTML tag for given highlight id
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68 function! s:HtmlOpening(id)
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69 let a = ""
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70 if synIDattr(a:id, "inverse")
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71 " For inverse, we always must set both colors (and exchange them)
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72 let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
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73 let a = a . '<span style="background-color: ' . ( x != "" ? x : s:fgc ) . '">'
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74 let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
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75 let a = a . '<font color="' . ( x != "" ? x : s:bgc ) . '">'
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76 else
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77 let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
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78 if x != "" | let a = a . '<span style="background-color: ' . x . '">' | endif
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79 let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
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80 if x != "" | let a = a . '<font color="' . x . '">' | endif
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81 endif
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82 if synIDattr(a:id, "bold") | let a = a . "<b>" | endif
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83 if synIDattr(a:id, "italic") | let a = a . "<i>" | endif
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84 if synIDattr(a:id, "underline") | let a = a . "<u>" | endif
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85 return a
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86 endfun
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87
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88 " Return closing HTML tag for given highlight id
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89 function s:HtmlClosing(id)
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90 let a = ""
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91 if synIDattr(a:id, "underline") | let a = a . "</u>" | endif
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92 if synIDattr(a:id, "italic") | let a = a . "</i>" | endif
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93 if synIDattr(a:id, "bold") | let a = a . "</b>" | endif
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94 if synIDattr(a:id, "inverse")
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95 let a = a . '</font></span>'
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96 else
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97 let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
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98 if x != "" | let a = a . '</font>' | endif
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99 let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
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100 if x != "" | let a = a . '</span>' | endif
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101 endif
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102 return a
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103 endfun
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104 endif
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105
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34
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106 " Return HTML valid characters enclosed in a span of class style_name with
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107 " unprintable characters expanded and double spaces replaced as necessary.
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108 function! s:HtmlFormat(text, style_name)
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109 " Replace unprintable characters
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110 let formatted = strtrans(a:text)
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111
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112 " Replace the reserved html characters
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113 let formatted = substitute(substitute(substitute(substitute(substitute(formatted, '&', '\&', 'g'), '<', '\<', 'g'), '>', '\>', 'g'), '"', '\"', 'g'), "\x0c", '<hr class="PAGE-BREAK">', 'g')
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114
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115 " Replace double spaces
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116 if ' ' != s:HtmlSpace
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117 let formatted = substitute(formatted, ' ', s:HtmlSpace . s:HtmlSpace, 'g')
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118 endif
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119
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120 " Enclose in a span of class style_name
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121 let formatted = '<span class="' . a:style_name . '">' . formatted . '</span>'
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122
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123 " Add the class to class list if it's not there yet
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124 let s:id = hlID(a:style_name)
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125 if stridx(s:idlist, "," . s:id . ",") == -1
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126 let s:idlist = s:idlist . s:id . ","
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127 endif
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128
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129 return formatted
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130 endfun
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131
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7
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132 " Return CSS style describing given highlight id (can be empty)
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133 function! s:CSS1(id)
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134 let a = ""
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135 if synIDattr(a:id, "inverse")
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136 " For inverse, we always must set both colors (and exchange them)
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137 let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
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138 let a = a . "color: " . ( x != "" ? x : s:bgc ) . "; "
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139 let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
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140 let a = a . "background-color: " . ( x != "" ? x : s:fgc ) . "; "
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141 else
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142 let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
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143 if x != "" | let a = a . "color: " . x . "; " | endif
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144 let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
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145 if x != "" | let a = a . "background-color: " . x . "; " | endif
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146 endif
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147 if synIDattr(a:id, "bold") | let a = a . "font-weight: bold; " | endif
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148 if synIDattr(a:id, "italic") | let a = a . "font-style: italic; " | endif
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149 if synIDattr(a:id, "underline") | let a = a . "text-decoration: underline; " | endif
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150 return a
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151 endfun
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152
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153 " Figure out proper MIME charset from the 'encoding' option.
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154 if exists("html_use_encoding")
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155 let s:html_encoding = html_use_encoding
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156 else
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157 let s:vim_encoding = &encoding
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158 if s:vim_encoding =~ '^8bit\|^2byte'
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159 let s:vim_encoding = substitute(s:vim_encoding, '^8bit-\|^2byte-', '', '')
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160 endif
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161 if s:vim_encoding == 'latin1'
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162 let s:html_encoding = 'iso-8859-1'
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163 elseif s:vim_encoding =~ "^cp12"
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164 let s:html_encoding = substitute(s:vim_encoding, 'cp', 'windows-', '')
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165 elseif s:vim_encoding == 'sjis'
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166 let s:html_encoding = 'Shift_JIS'
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167 elseif s:vim_encoding == 'euc-cn'
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168 let s:html_encoding = 'GB_2312-80'
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169 elseif s:vim_encoding == 'euc-tw'
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170 let s:html_encoding = ""
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171 elseif s:vim_encoding =~ '^euc\|^iso\|^koi'
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172 let s:html_encoding = substitute(s:vim_encoding, '.*', '\U\0', '')
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173 elseif s:vim_encoding == 'cp949'
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174 let s:html_encoding = 'KS_C_5601-1987'
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175 elseif s:vim_encoding == 'cp936'
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176 let s:html_encoding = 'GBK'
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177 elseif s:vim_encoding =~ '^ucs\|^utf'
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178 let s:html_encoding = 'UTF-8'
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179 else
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180 let s:html_encoding = ""
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181 endif
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182 endif
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183
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184
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185 " Set some options to make it work faster.
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186 " Don't report changes for :substitute, there will be many of them.
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187 let s:old_title = &title
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188 let s:old_icon = &icon
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189 let s:old_et = &l:et
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190 let s:old_report = &report
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191 let s:old_search = @/
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192 set notitle noicon
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193 setlocal et
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194 set report=1000000
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195
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196 " Split window to create a buffer with the HTML file.
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197 let s:orgbufnr = winbufnr(0)
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198 if expand("%") == ""
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199 new Untitled.html
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200 else
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201 new %.html
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202 endif
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203 let s:newwin = winnr()
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204 let s:orgwin = bufwinnr(s:orgbufnr)
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205
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206 set modifiable
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207 %d
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208 let s:old_paste = &paste
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209 set paste
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210 let s:old_magic = &magic
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211 set magic
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212
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213 if exists("use_xhtml")
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39
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214 if s:html_encoding != ""
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215 exe "normal! a<?xml version=\"1.0\" encoding=\"" . s:html_encoding . "\"?>\n\e"
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216 else
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217 exe "normal! a<?xml version=\"1.0\"?>\n\e"
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218 endif
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34
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219 let s:tag_close = '/>'
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7
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220 else
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34
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221 let s:tag_close = '>'
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222 endif
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223
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224 let s:HtmlSpace = ' '
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225 let s:HtmlEndline = ''
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226 if exists("html_no_pre")
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227 let s:HtmlEndline = '<br' . s:tag_close
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228 if exists("use_xhtml")
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229 let s:HtmlSpace = '\ '
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230 else
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231 let s:HtmlSpace = '\ '
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232 endif
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7
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233 endif
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234
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235 " HTML header, with the title and generator ;-). Left free space for the CSS,
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236 " to be filled at the end.
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39
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237 exe "normal! a<html>\n\e"
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238 exe "normal! a<head>\n<title>" . expand("%:p:~") . "</title>\n\e"
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34
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239 exe "normal! a<meta name=\"Generator\" content=\"Vim/" . v:version/100 . "." . v:version %100 . '"' . s:tag_close . "\n\e"
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7
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240 if s:html_encoding != ""
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34
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241 exe "normal! a<meta http-equiv=\"content-type\" content=\"text/html; charset=" . s:html_encoding . '"' . s:tag_close . "\n\e"
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7
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242 endif
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243 if exists("html_use_css")
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244 exe "normal! a<style type=\"text/css\">\n<!--\n-->\n</style>\n\e"
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245 endif
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246 if exists("html_no_pre")
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247 exe "normal! a</head>\n<body>\n\e"
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248 else
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249 exe "normal! a</head>\n<body>\n<pre>\n\e"
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250 endif
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251
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252 exe s:orgwin . "wincmd w"
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253
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254 " List of all id's
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255 let s:idlist = ","
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256
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257 " Loop over all lines in the original text.
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258 " Use html_start_line and html_end_line if they are set.
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259 if exists("html_start_line")
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260 let s:lnum = html_start_line
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261 if s:lnum < 1 || s:lnum > line("$")
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262 let s:lnum = 1
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263 endif
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264 else
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265 let s:lnum = 1
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266 endif
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267 if exists("html_end_line")
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268 let s:end = html_end_line
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269 if s:end < s:lnum || s:end > line("$")
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270 let s:end = line("$")
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271 endif
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272 else
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273 let s:end = line("$")
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274 endif
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275
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29
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276 if has('folding')
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34
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277 let s:foldfillchar = &fillchars[matchend(&fillchars, 'fold:')]
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278 if s:foldfillchar == ''
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279 let s:foldfillchar = '-'
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29
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280 endif
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34
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281 endif
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282 let s:difffillchar = &fillchars[matchend(&fillchars, 'diff:')]
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283 if s:difffillchar == ''
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284 let s:difffillchar = '-'
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29
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285 endif
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286
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287
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7
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288 while s:lnum <= s:end
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289
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32
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290 " If there are filler lines for diff mode, show these above the line.
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291 let s:filler = diff_filler(s:lnum)
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292 if s:filler > 0
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293 let s:n = s:filler
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294 while s:n > 0
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34
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295 if s:numblines
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296 " Indent if line numbering is on
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297 let s:new = repeat(' ', strlen(s:end) + 1) . repeat(s:difffillchar, 3)
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32
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298 else
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34
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299 let s:new = repeat(s:difffillchar, 3)
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32
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300 endif
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301
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34
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302 if s:n > 2 && s:n < s:filler && !exists("html_whole_filler")
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303 let s:new = s:new . " " . s:filler . " inserted lines "
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304 let s:n = 2
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305 endif
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306
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307 if !exists("html_no_pre")
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308 " HTML line wrapping is off--go ahead and fill to the margin
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309 let s:new = s:new . repeat(s:difffillchar, &columns - strlen(s:new))
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310 endif
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311
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312 let s:new = s:HtmlFormat(s:new, "DiffDelete")
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32
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313 exe s:newwin . "wincmd w"
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34
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314 exe "normal! a" . s:new . s:HtmlEndline . "\n\e"
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32
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315 exe s:orgwin . "wincmd w"
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34
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316
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32
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317 let s:n = s:n - 1
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318 endwhile
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319 unlet s:n
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320 endif
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321 unlet s:filler
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322
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323 " Start the line with the line number.
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324 if s:numblines
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34
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325 let s:new = repeat(' ', strlen(s:end) - strlen(s:lnum)) . s:lnum . ' '
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32
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326 else
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327 let s:new = ""
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328 endif
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329
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29
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330 if has('folding') && foldclosed(s:lnum) > -1
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331 "
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332 " This is the beginning of a folded block
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333 "
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34
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334 let s:new = s:new . foldtextresult(s:lnum)
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29
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335 if !exists("html_no_pre")
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34
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336 " HTML line wrapping is off--go ahead and fill to the margin
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337 let s:new = s:new . repeat(s:foldfillchar, &columns - strlen(s:new))
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29
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338 endif
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339
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34
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340 let s:new = s:HtmlFormat(s:new, "Folded")
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7
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341
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29
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342 " Skip to the end of the fold
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343 let s:lnum = foldclosedend(s:lnum)
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344
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345 else
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346 "
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347 " A line that is not folded.
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348 "
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34
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349 let s:line = getline(s:lnum)
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350
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29
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351 let s:len = strlen(s:line)
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352
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353 if s:numblines
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34
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354 let s:new = '<span class="lnr">' . s:new . '</span>'
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7
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355 endif
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29
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356
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32
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357 " Get the diff attribute, if any.
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358 let s:diffattr = diff_hlID(s:lnum, 1)
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359
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29
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360 " Loop over each character in the line
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361 let s:col = 1
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34
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362 while s:col <= s:len || (s:col == 1 && s:diffattr)
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29
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363 let s:startcol = s:col " The start column for processing text
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32
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364 if s:diffattr
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365 let s:id = diff_hlID(s:lnum, s:col)
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366 let s:col = s:col + 1
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367 " Speed loop (it's small - that's the trick)
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368 " Go along till we find a change in hlID
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369 while s:col <= s:len && s:id == diff_hlID(s:lnum, s:col) | let s:col = s:col + 1 | endwhile
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34
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370 if s:len < &columns && !exists("html_no_pre")
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32
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371 " Add spaces at the end to mark the changed line.
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34
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372 let s:line = s:line . repeat(' ', &columns - s:len)
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373 let s:len = &columns
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374 endif
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32
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375 else
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376 let s:id = synID(s:lnum, s:col, 1)
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377 let s:col = s:col + 1
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378 " Speed loop (it's small - that's the trick)
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379 " Go along till we find a change in synID
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380 while s:col <= s:len && s:id == synID(s:lnum, s:col, 1) | let s:col = s:col + 1 | endwhile
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381 endif
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29
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382
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34
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383 " Expand tabs
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384 let s:expandedtab = strpart(s:line, s:startcol - 1, s:col - s:startcol)
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385 let idx = stridx(s:expandedtab, "\t")
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386 while idx >= 0
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387 let i = &ts - ((idx + s:startcol - 1) % &ts)
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388 let s:expandedtab = substitute(s:expandedtab, '\t', repeat(' ', i), '')
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389 let idx = stridx(s:expandedtab, "\t")
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390 endwhile
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391
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29
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392 " Output the text with the same synID, with class set to {s:id_name}
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393 let s:id = synIDtrans(s:id)
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394 let s:id_name = synIDattr(s:id, "name", s:whatterm)
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34
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395 let s:new = s:new . s:HtmlFormat(s:expandedtab, s:id_name)
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29
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396 endwhile
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397 endif
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7
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398
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399 exe s:newwin . "wincmd w"
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34
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400 exe "normal! a" . s:new . s:HtmlEndline . "\n\e"
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7
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401 exe s:orgwin . "wincmd w"
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402 let s:lnum = s:lnum + 1
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403 endwhile
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404 " Finish with the last line
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405 exe s:newwin . "wincmd w"
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406 if exists("html_no_pre")
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407 exe "normal! a\n</body>\n</html>\e"
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408 else
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409 exe "normal! a</pre>\n</body>\n</html>\e"
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410 endif
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411
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412
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413 " Now, when we finally know which, we define the colors and styles
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414 if exists("html_use_css")
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415 1;/<style type="text/+1
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416 endif
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417
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418 " Find out the background and foreground color.
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419 let s:fgc = s:HtmlColor(synIDattr(hlID("Normal"), "fg#", s:whatterm))
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420 let s:bgc = s:HtmlColor(synIDattr(hlID("Normal"), "bg#", s:whatterm))
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421 if s:fgc == ""
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422 let s:fgc = ( &background == "dark" ? "#ffffff" : "#000000" )
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423 endif
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424 if s:bgc == ""
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425 let s:bgc = ( &background == "dark" ? "#000000" : "#ffffff" )
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426 endif
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427
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428 " Normal/global attributes
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429 " For Netscape 4, set <body> attributes too, though, strictly speaking, it's
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430 " incorrect.
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431 if exists("html_use_css")
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432 if exists("html_no_pre")
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433 execute "normal! A\nbody { color: " . s:fgc . "; background-color: " . s:bgc . "; font-family: Courier, monospace; }\e"
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434 else
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435 execute "normal! A\npre { color: " . s:fgc . "; background-color: " . s:bgc . "; }\e"
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436 yank
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437 put
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438 execute "normal! ^cwbody\e"
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439 endif
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440 else
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441 if exists("html_no_pre")
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442 execute '%s:<body>:<body ' . 'bgcolor="' . s:bgc . '" text="' . s:fgc . '" style="font-family\: Courier, monospace;">'
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443 else
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444 execute '%s:<body>:<body ' . 'bgcolor="' . s:bgc . '" text="' . s:fgc . '">'
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445 endif
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446 endif
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447
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448 " Line numbering attributes
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449 if s:numblines
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450 if exists("html_use_css")
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451 execute "normal! A\n.lnr { " . s:CSS1(hlID("LineNr")) . "}\e"
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452 else
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453 execute '%s+<span class="lnr">\([^<]*\)</span>+' . s:HtmlOpening(hlID("LineNr")) . '\1' . s:HtmlClosing(hlID("LineNr")) . '+g'
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454 endif
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455 endif
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456
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457 " Gather attributes for all other classes
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458 let s:idlist = strpart(s:idlist, 1)
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459 while s:idlist != ""
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460 let s:attr = ""
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461 let s:col = stridx(s:idlist, ",")
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462 let s:id = strpart(s:idlist, 0, s:col)
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463 let s:idlist = strpart(s:idlist, s:col + 1)
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|
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464 let s:attr = s:CSS1(s:id)
|
|
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465 let s:id_name = synIDattr(s:id, "name", s:whatterm)
|
|
|
466 " If the class has some attributes, export the style, otherwise DELETE all
|
|
|
467 " its occurences to make the HTML shorter
|
|
|
468 if s:attr != ""
|
|
|
469 if exists("html_use_css")
|
|
|
470 execute "normal! A\n." . s:id_name . " { " . s:attr . "}"
|
|
|
471 else
|
|
|
472 execute '%s+<span class="' . s:id_name . '">\([^<]*\)</span>+' . s:HtmlOpening(s:id) . '\1' . s:HtmlClosing(s:id) . '+g'
|
|
|
473 endif
|
|
|
474 else
|
|
|
475 execute '%s+<span class="' . s:id_name . '">\([^<]*\)</span>+\1+g'
|
|
|
476 if exists("html_use_css")
|
|
|
477 1;/<style type="text/+1
|
|
|
478 endif
|
|
|
479 endif
|
|
|
480 endwhile
|
|
|
481
|
|
|
482 " Add hyperlinks
|
|
39
|
483 %s+\(https\=://\S\{-}\)\(\([.,;:}]\=\(\s\|$\)\)\|[\\"'<>]\|>\|<\|"\)+<a href="\1">\1</a>\2+ge
|
|
7
|
484
|
|
|
485 " The DTD
|
|
|
486 if exists("html_use_css")
|
|
39
|
487 if exists("use_xhtml")
|
|
|
488 exe "normal! gg$a\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\e"
|
|
|
489 else
|
|
|
490 exe "normal! gg0i<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n\e"
|
|
|
491 endif
|
|
|
492 endif
|
|
|
493
|
|
|
494 if exists("use_xhtml")
|
|
|
495 exe "normal! gg/<html/e\na xmlns=\"http://www.w3.org/1999/xhtml\"\e"
|
|
7
|
496 endif
|
|
|
497
|
|
|
498 " Cleanup
|
|
|
499 %s:\s\+$::e
|
|
|
500
|
|
|
501 " Restore old settings
|
|
|
502 let &report = s:old_report
|
|
|
503 let &title = s:old_title
|
|
|
504 let &icon = s:old_icon
|
|
|
505 let &paste = s:old_paste
|
|
|
506 let &magic = s:old_magic
|
|
|
507 let @/ = s:old_search
|
|
|
508 exe s:orgwin . "wincmd w"
|
|
|
509 let &l:et = s:old_et
|
|
|
510 exe s:newwin . "wincmd w"
|
|
|
511
|
|
|
512 " Save a little bit of memory (worth doing?)
|
|
|
513 unlet s:old_et s:old_paste s:old_icon s:old_report s:old_title s:old_search
|
|
|
514 unlet s:whatterm s:idlist s:lnum s:end s:fgc s:bgc s:old_magic
|
|
34
|
515 unlet! s:col s:id s:attr s:len s:line s:new s:expandedtab s:numblines
|
|
7
|
516 unlet s:orgwin s:newwin s:orgbufnr
|
|
170
|
517 if !v:profiling
|
|
|
518 delfunc s:HtmlColor
|
|
|
519 delfunc s:HtmlFormat
|
|
|
520 delfunc s:CSS1
|
|
|
521 if !exists("html_use_css")
|
|
|
522 delfunc s:HtmlOpening
|
|
|
523 delfunc s:HtmlClosing
|
|
|
524 endif
|
|
7
|
525 endif
|
|
34
|
526 silent! unlet s:diffattr s:difffillchar s:foldfillchar s:HtmlSpace s:HtmlEndline
|
