1" Vim syntax support file 2" Maintainer: Bram Moolenaar <[email protected]> 3" Last Change: 2009 Jul 14 4" (modified by David Ne\v{c}as (Yeti) <[email protected]>) 5" (XHTML support by Panagiotis Issaris <[email protected]>) 6" (made w3 compliant by Edd Barrett <[email protected]>) 7" (added html_font. Edd Barrett <[email protected]>) 8" (dynamic folding by Ben Fritz <[email protected]>) 9 10" Transform a file into HTML, using the current syntax highlighting. 11 12" this file uses line continuations 13let s:cpo_sav = &cpo 14set cpo-=C 15 16" Number lines when explicitely requested or when `number' is set 17if exists("g:html_number_lines") 18 let s:numblines = html_number_lines 19else 20 let s:numblines = &number 21endif 22 23" Font 24if exists("g:html_font") 25 let s:htmlfont = html_font . ", monospace" 26else 27 let s:htmlfont = "monospace" 28endif 29 30" make copies of the user-defined settings that we may overrule 31if exists("g:html_dynamic_folds") 32 let s:html_dynamic_folds = 1 33endif 34if exists("g:html_hover_unfold") 35 let s:html_hover_unfold = 1 36endif 37if exists("g:html_use_css") 38 let s:html_use_css = 1 39endif 40 41" hover opening implies dynamic folding 42if exists("s:html_hover_unfold") 43 let s:html_dynamic_folds = 1 44endif 45 46" dynamic folding with no foldcolumn implies hover opens 47if exists("s:html_dynamic_folds") && exists("g:html_no_foldcolumn") 48 let s:html_hover_unfold = 1 49endif 50 51" ignore folding overrides dynamic folding 52if exists("g:html_ignore_folding") && exists("s:html_dynamic_folds") 53 unlet s:html_dynamic_folds 54endif 55 56" dynamic folding implies css 57if exists("s:html_dynamic_folds") 58 let s:html_use_css = 1 59endif 60 61" When not in gui we can only guess the colors. 62if has("gui_running") 63 let s:whatterm = "gui" 64else 65 let s:whatterm = "cterm" 66 if &t_Co == 8 67 let s:cterm_color = {0: "#808080", 1: "#ff6060", 2: "#00ff00", 3: "#ffff00", 4: "#8080ff", 5: "#ff40ff", 6: "#00ffff", 7: "#ffffff"} 68 else 69 let s:cterm_color = {0: "#000000", 1: "#c00000", 2: "#008000", 3: "#804000", 4: "#0000c0", 5: "#c000c0", 6: "#008080", 7: "#c0c0c0", 8: "#808080", 9: "#ff6060", 10: "#00ff00", 11: "#ffff00", 12: "#8080ff", 13: "#ff40ff", 14: "#00ffff", 15: "#ffffff"} 70 71 " Colors for 88 and 256 come from xterm. 72 if &t_Co == 88 73 call extend(s:cterm_color, {16: "#000000", 17: "#00008b", 18: "#0000cd", 19: "#0000ff", 20: "#008b00", 21: "#008b8b", 22: "#008bcd", 23: "#008bff", 24: "#00cd00", 25: "#00cd8b", 26: "#00cdcd", 27: "#00cdff", 28: "#00ff00", 29: "#00ff8b", 30: "#00ffcd", 31: "#00ffff", 32: "#8b0000", 33: "#8b008b", 34: "#8b00cd", 35: "#8b00ff", 36: "#8b8b00", 37: "#8b8b8b", 38: "#8b8bcd", 39: "#8b8bff", 40: "#8bcd00", 41: "#8bcd8b", 42: "#8bcdcd", 43: "#8bcdff", 44: "#8bff00", 45: "#8bff8b", 46: "#8bffcd", 47: "#8bffff", 48: "#cd0000", 49: "#cd008b", 50: "#cd00cd", 51: "#cd00ff", 52: "#cd8b00", 53: "#cd8b8b", 54: "#cd8bcd", 55: "#cd8bff", 56: "#cdcd00", 57: "#cdcd8b", 58: "#cdcdcd", 59: "#cdcdff", 60: "#cdff00", 61: "#cdff8b", 62: "#cdffcd", 63: "#cdffff", 64: "#ff0000"}) 74 call extend(s:cterm_color, {65: "#ff008b", 66: "#ff00cd", 67: "#ff00ff", 68: "#ff8b00", 69: "#ff8b8b", 70: "#ff8bcd", 71: "#ff8bff", 72: "#ffcd00", 73: "#ffcd8b", 74: "#ffcdcd", 75: "#ffcdff", 76: "#ffff00", 77: "#ffff8b", 78: "#ffffcd", 79: "#ffffff", 80: "#2e2e2e", 81: "#5c5c5c", 82: "#737373", 83: "#8b8b8b", 84: "#a2a2a2", 85: "#b9b9b9", 86: "#d0d0d0", 87: "#e7e7e7"}) 75 elseif &t_Co == 256 76 call extend(s:cterm_color, {16: "#000000", 17: "#00005f", 18: "#000087", 19: "#0000af", 20: "#0000d7", 21: "#0000ff", 22: "#005f00", 23: "#005f5f", 24: "#005f87", 25: "#005faf", 26: "#005fd7", 27: "#005fff", 28: "#008700", 29: "#00875f", 30: "#008787", 31: "#0087af", 32: "#0087d7", 33: "#0087ff", 34: "#00af00", 35: "#00af5f", 36: "#00af87", 37: "#00afaf", 38: "#00afd7", 39: "#00afff", 40: "#00d700", 41: "#00d75f", 42: "#00d787", 43: "#00d7af", 44: "#00d7d7", 45: "#00d7ff", 46: "#00ff00", 47: "#00ff5f", 48: "#00ff87", 49: "#00ffaf", 50: "#00ffd7", 51: "#00ffff", 52: "#5f0000", 53: "#5f005f", 54: "#5f0087", 55: "#5f00af", 56: "#5f00d7", 57: "#5f00ff", 58: "#5f5f00", 59: "#5f5f5f", 60: "#5f5f87", 61: "#5f5faf", 62: "#5f5fd7", 63: "#5f5fff", 64: "#5f8700"}) 77 call extend(s:cterm_color, {65: "#5f875f", 66: "#5f8787", 67: "#5f87af", 68: "#5f87d7", 69: "#5f87ff", 70: "#5faf00", 71: "#5faf5f", 72: "#5faf87", 73: "#5fafaf", 74: "#5fafd7", 75: "#5fafff", 76: "#5fd700", 77: "#5fd75f", 78: "#5fd787", 79: "#5fd7af", 80: "#5fd7d7", 81: "#5fd7ff", 82: "#5fff00", 83: "#5fff5f", 84: "#5fff87", 85: "#5fffaf", 86: "#5fffd7", 87: "#5fffff", 88: "#870000", 89: "#87005f", 90: "#870087", 91: "#8700af", 92: "#8700d7", 93: "#8700ff", 94: "#875f00", 95: "#875f5f", 96: "#875f87", 97: "#875faf", 98: "#875fd7", 99: "#875fff", 100: "#878700", 101: "#87875f", 102: "#878787", 103: "#8787af", 104: "#8787d7", 105: "#8787ff", 106: "#87af00", 107: "#87af5f", 108: "#87af87", 109: "#87afaf", 110: "#87afd7", 111: "#87afff", 112: "#87d700"}) 78 call extend(s:cterm_color, {113: "#87d75f", 114: "#87d787", 115: "#87d7af", 116: "#87d7d7", 117: "#87d7ff", 118: "#87ff00", 119: "#87ff5f", 120: "#87ff87", 121: "#87ffaf", 122: "#87ffd7", 123: "#87ffff", 124: "#af0000", 125: "#af005f", 126: "#af0087", 127: "#af00af", 128: "#af00d7", 129: "#af00ff", 130: "#af5f00", 131: "#af5f5f", 132: "#af5f87", 133: "#af5faf", 134: "#af5fd7", 135: "#af5fff", 136: "#af8700", 137: "#af875f", 138: "#af8787", 139: "#af87af", 140: "#af87d7", 141: "#af87ff", 142: "#afaf00", 143: "#afaf5f", 144: "#afaf87", 145: "#afafaf", 146: "#afafd7", 147: "#afafff", 148: "#afd700", 149: "#afd75f", 150: "#afd787", 151: "#afd7af", 152: "#afd7d7", 153: "#afd7ff", 154: "#afff00", 155: "#afff5f", 156: "#afff87", 157: "#afffaf", 158: "#afffd7"}) 79 call extend(s:cterm_color, {159: "#afffff", 160: "#d70000", 161: "#d7005f", 162: "#d70087", 163: "#d700af", 164: "#d700d7", 165: "#d700ff", 166: "#d75f00", 167: "#d75f5f", 168: "#d75f87", 169: "#d75faf", 170: "#d75fd7", 171: "#d75fff", 172: "#d78700", 173: "#d7875f", 174: "#d78787", 175: "#d787af", 176: "#d787d7", 177: "#d787ff", 178: "#d7af00", 179: "#d7af5f", 180: "#d7af87", 181: "#d7afaf", 182: "#d7afd7", 183: "#d7afff", 184: "#d7d700", 185: "#d7d75f", 186: "#d7d787", 187: "#d7d7af", 188: "#d7d7d7", 189: "#d7d7ff", 190: "#d7ff00", 191: "#d7ff5f", 192: "#d7ff87", 193: "#d7ffaf", 194: "#d7ffd7", 195: "#d7ffff", 196: "#ff0000", 197: "#ff005f", 198: "#ff0087", 199: "#ff00af", 200: "#ff00d7", 201: "#ff00ff", 202: "#ff5f00", 203: "#ff5f5f", 204: "#ff5f87"}) 80 call extend(s:cterm_color, {205: "#ff5faf", 206: "#ff5fd7", 207: "#ff5fff", 208: "#ff8700", 209: "#ff875f", 210: "#ff8787", 211: "#ff87af", 212: "#ff87d7", 213: "#ff87ff", 214: "#ffaf00", 215: "#ffaf5f", 216: "#ffaf87", 217: "#ffafaf", 218: "#ffafd7", 219: "#ffafff", 220: "#ffd700", 221: "#ffd75f", 222: "#ffd787", 223: "#ffd7af", 224: "#ffd7d7", 225: "#ffd7ff", 226: "#ffff00", 227: "#ffff5f", 228: "#ffff87", 229: "#ffffaf", 230: "#ffffd7", 231: "#ffffff", 232: "#080808", 233: "#121212", 234: "#1c1c1c", 235: "#262626", 236: "#303030", 237: "#3a3a3a", 238: "#444444", 239: "#4e4e4e", 240: "#585858", 241: "#626262", 242: "#6c6c6c", 243: "#767676", 244: "#808080", 245: "#8a8a8a", 246: "#949494", 247: "#9e9e9e", 248: "#a8a8a8", 249: "#b2b2b2", 250: "#bcbcbc", 251: "#c6c6c6", 252: "#d0d0d0", 253: "#dadada", 254: "#e4e4e4", 255: "#eeeeee"}) 81 endif 82 endif 83endif 84 85" Return good color specification: in GUI no transformation is done, in 86" terminal return RGB values of known colors and empty string for unknown 87if s:whatterm == "gui" 88 function! s:HtmlColor(color) 89 return a:color 90 endfun 91else 92 function! s:HtmlColor(color) 93 if has_key(s:cterm_color, a:color) 94 return s:cterm_color[a:color] 95 else 96 return "" 97 endif 98 endfun 99endif 100 101if !exists("s:html_use_css") 102 " Return opening HTML tag for given highlight id 103 function! s:HtmlOpening(id) 104 let a = "" 105 if synIDattr(a:id, "inverse") 106 " For inverse, we always must set both colors (and exchange them) 107 let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm)) 108 let a = a . '<span style="background-color: ' . ( x != "" ? x : s:fgc ) . '">' 109 let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm)) 110 let a = a . '<font color="' . ( x != "" ? x : s:bgc ) . '">' 111 else 112 let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm)) 113 if x != "" | let a = a . '<span style="background-color: ' . x . '">' | endif 114 let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm)) 115 if x != "" | let a = a . '<font color="' . x . '">' | endif 116 endif 117 if synIDattr(a:id, "bold") | let a = a . "<b>" | endif 118 if synIDattr(a:id, "italic") | let a = a . "<i>" | endif 119 if synIDattr(a:id, "underline") | let a = a . "<u>" | endif 120 return a 121 endfun 122 123 " Return closing HTML tag for given highlight id 124 function s:HtmlClosing(id) 125 let a = "" 126 if synIDattr(a:id, "underline") | let a = a . "</u>" | endif 127 if synIDattr(a:id, "italic") | let a = a . "</i>" | endif 128 if synIDattr(a:id, "bold") | let a = a . "</b>" | endif 129 if synIDattr(a:id, "inverse") 130 let a = a . '</font></span>' 131 else 132 let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm)) 133 if x != "" | let a = a . '</font>' | endif 134 let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm)) 135 if x != "" | let a = a . '</span>' | endif 136 endif 137 return a 138 endfun 139endif 140 141" Return HTML valid characters enclosed in a span of class style_name with 142" unprintable characters expanded and double spaces replaced as necessary. 143function! s:HtmlFormat(text, style_name) 144 " Replace unprintable characters 145 let formatted = strtrans(a:text) 146 147 " Replace the reserved html characters 148 let formatted = substitute(substitute(substitute(substitute(substitute(formatted, '&', '\&', 'g'), '<', '\<', 'g'), '>', '\>', 'g'), '"', '\"', 'g'), "\x0c", '<hr class="PAGE-BREAK">', 'g') 149 150 " Replace double spaces and leading spaces 151 if ' ' != s:HtmlSpace 152 let formatted = substitute(formatted, ' ', s:HtmlSpace . s:HtmlSpace, 'g') 153 let formatted = substitute(formatted, '^ ', s:HtmlSpace, 'g') 154 endif 155 156 " Enclose in a span of class style_name 157 let formatted = '<span class="' . a:style_name . '">' . formatted . '</span>' 158 159 " Add the class to class list if it's not there yet 160 let s:id = hlID(a:style_name) 161 if stridx(s:idlist, "," . s:id . ",") == -1 162 let s:idlist = s:idlist . s:id . "," 163 endif 164 165 return formatted 166endfun 167 168" Return CSS style describing given highlight id (can be empty) 169function! s:CSS1(id) 170 let a = "" 171 if synIDattr(a:id, "inverse") 172 " For inverse, we always must set both colors (and exchange them) 173 let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm)) 174 let a = a . "color: " . ( x != "" ? x : s:bgc ) . "; " 175 let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm)) 176 let a = a . "background-color: " . ( x != "" ? x : s:fgc ) . "; " 177 else 178 let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm)) 179 if x != "" | let a = a . "color: " . x . "; " | endif 180 let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm)) 181 if x != "" | let a = a . "background-color: " . x . "; " | endif 182 endif 183 if synIDattr(a:id, "bold") | let a = a . "font-weight: bold; " | endif 184 if synIDattr(a:id, "italic") | let a = a . "font-style: italic; " | endif 185 if synIDattr(a:id, "underline") | let a = a . "text-decoration: underline; " | endif 186 return a 187endfun 188 189if exists("s:html_dynamic_folds") 190 191 " compares two folds as stored in our list of folds 192 " A fold is "less" than another if it starts at an earlier line number, 193 " or ends at a later line number, ties broken by fold level 194 function! s:FoldCompare(f1, f2) 195 if a:f1.firstline != a:f2.firstline 196 " put it before if it starts earlier 197 return a:f1.firstline - a:f2.firstline 198 elseif a:f1.lastline != a:f2.lastline 199 " put it before if it ends later 200 return a:f2.lastline - a:f1.lastline 201 else 202 " if folds begin and end on the same lines, put lowest fold level first 203 return a:f1.level - a:f2.level 204 endif 205 endfunction 206 207endif 208 209" Figure out proper MIME charset from the 'encoding' option. 210if exists("g:html_use_encoding") 211 let s:html_encoding = html_use_encoding 212else 213 let s:vim_encoding = &encoding 214 if s:vim_encoding =~ '^8bit\|^2byte' 215 let s:vim_encoding = substitute(s:vim_encoding, '^8bit-\|^2byte-', '', '') 216 endif 217 if s:vim_encoding == 'latin1' 218 let s:html_encoding = 'iso-8859-1' 219 elseif s:vim_encoding =~ "^cp12" 220 let s:html_encoding = substitute(s:vim_encoding, 'cp', 'windows-', '') 221 elseif s:vim_encoding == 'sjis' || s:vim_encoding == 'cp932' 222 let s:html_encoding = 'Shift_JIS' 223 elseif s:vim_encoding == 'big5' || s:vim_encoding == 'cp950' 224 let s:html_encoding = "Big5" 225 elseif s:vim_encoding == 'euc-cn' 226 let s:html_encoding = 'GB_2312-80' 227 elseif s:vim_encoding == 'euc-tw' 228 let s:html_encoding = "" 229 elseif s:vim_encoding =~ '^euc\|^iso\|^koi' 230 let s:html_encoding = substitute(s:vim_encoding, '.*', '\U\0', '') 231 elseif s:vim_encoding == 'cp949' 232 let s:html_encoding = 'KS_C_5601-1987' 233 elseif s:vim_encoding == 'cp936' 234 let s:html_encoding = 'GBK' 235 elseif s:vim_encoding =~ '^ucs\|^utf' 236 let s:html_encoding = 'UTF-8' 237 else 238 let s:html_encoding = "" 239 endif 240endif 241 242 243" Set some options to make it work faster. 244" Don't report changes for :substitute, there will be many of them. 245let s:old_title = &title 246let s:old_icon = &icon 247let s:old_et = &l:et 248let s:old_report = &report 249let s:old_search = @/ 250set notitle noicon 251setlocal et 252set report=1000000 253 254" Split window to create a buffer with the HTML file. 255let s:orgbufnr = winbufnr(0) 256if expand("%") == "" 257 new Untitled.html 258else 259 new %.html 260endif 261let s:newwin = winnr() 262let s:orgwin = bufwinnr(s:orgbufnr) 263 264set modifiable 265%d 266let s:old_paste = &paste 267set paste 268let s:old_magic = &magic 269set magic 270 271if exists("g:use_xhtml") 272 if s:html_encoding != "" 273 exe "normal! a<?xml version=\"1.0\" encoding=\"" . s:html_encoding . "\"?>\n\e" 274 else 275 exe "normal! a<?xml version=\"1.0\"?>\n\e" 276 endif 277 let s:tag_close = ' />' 278else 279 let s:tag_close = '>' 280endif 281 282" Cache html_no_pre in case we have to turn it on for non-css mode 283if exists("g:html_no_pre") 284 let s:old_html_no_pre = html_no_pre 285endif 286 287if !exists("s:html_use_css") 288 " Can't put font tags in <pre> 289 let html_no_pre=1 290endif 291 292let s:HtmlSpace = ' ' 293let s:LeadingSpace = ' ' 294let s:HtmlEndline = '' 295if exists("g:html_no_pre") 296 let s:HtmlEndline = '<br' . s:tag_close 297 let s:LeadingSpace = ' ' 298 let s:HtmlSpace = '\' . s:LeadingSpace 299endif 300 301" HTML header, with the title and generator ;-). Left free space for the CSS, 302" to be filled at the end. 303exe "normal! a<html>\n\e" 304exe "normal! a<head>\n<title>" . expand("%:p:~") . "</title>\n\e" 305exe "normal! a<meta name=\"Generator\" content=\"Vim/" . v:version/100 . "." . v:version %100 . '"' . s:tag_close . "\n\e" 306if s:html_encoding != "" 307 exe "normal! a<meta http-equiv=\"content-type\" content=\"text/html; charset=" . s:html_encoding . '"' . s:tag_close . "\n\e" 308endif 309 310if exists("s:html_use_css") 311 if exists("s:html_dynamic_folds") 312 if exists("s:html_hover_unfold") 313 " if we are doing hover_unfold, use css 2 with css 1 fallback for IE6 314 exe "normal! a". 315 \ "<style type=\"text/css\">\n<!--\n". 316 \ ".FoldColumn { text-decoration: none; white-space: pre; }\n\n". 317 \ "body * { margin: 0; padding: 0; }\n". 318 \ "\n". 319 \ ".open-fold > .Folded { display: none; }\n". 320 \ ".open-fold > .fulltext { display: inline; }\n". 321 \ ".closed-fold > .fulltext { display: none; }\n". 322 \ ".closed-fold > .Folded { display: inline; }\n". 323 \ "\n". 324 \ ".open-fold > .toggle-open { display: none; }\n". 325 \ ".open-fold > .toggle-closed { display: inline; }\n". 326 \ ".closed-fold > .toggle-open { display: inline; }\n". 327 \ ".closed-fold > .toggle-closed { display: none; }\n" 328 exe "normal! a\n/* opening a fold while hovering won't be supported by IE6 and other\n". 329 \ "similar browsers, but it should fail gracefully. */\n". 330 \ ".closed-fold:hover > .fulltext { display: inline; }\n". 331 \ ".closed-fold:hover > .toggle-filler { display: none; }\n". 332 \ ".closed-fold:hover > .Folded { display: none; }\n" 333 exe "normal! a-->\n</style>\n" 334 exe "normal! a<!--[if lt IE 7]>". 335 \ "<style type=\"text/css\">\n". 336 \ ".open-fold .Folded { display: none; }\n". 337 \ ".open-fold .fulltext { display: inline; }\n". 338 \ ".open-fold .toggle-open { display: none; }\n". 339 \ ".closed-fold .toggle-closed { display: inline; }\n". 340 \ "\n". 341 \ ".closed-fold .fulltext { display: none; }\n". 342 \ ".closed-fold .Folded { display: inline; }\n". 343 \ ".closed-fold .toggle-open { display: inline; }\n". 344 \ ".closed-fold .toggle-closed { display: none; }\n". 345 \ "</style>\n". 346 \ "<![endif]-->\n" 347 else 348 " if we aren't doing hover_unfold, use CSS 1 only 349 exe "normal! a<style type=\"text/css\">\n<!--\n". 350 \ ".FoldColumn { text-decoration: none; white-space: pre; }\n\n". 351 \ ".open-fold .Folded { display: none; }\n". 352 \ ".open-fold .fulltext { display: inline; }\n". 353 \ ".open-fold .toggle-open { display: none; }\n". 354 \ ".closed-fold .toggle-closed { display: inline; }\n". 355 \ "\n". 356 \ ".closed-fold .fulltext { display: none; }\n". 357 \ ".closed-fold .Folded { display: inline; }\n". 358 \ ".closed-fold .toggle-open { display: inline; }\n". 359 \ ".closed-fold .toggle-closed { display: none; }\n". 360 \ "-->\n</style>\n" 361 endif 362 else 363 " if we aren't doing any dynamic folding, no need for any special rules 364 exe "normal! a<style type=\"text/css\">\n<!--\n-->\n</style>\n\e" 365 endif 366endif 367 368" insert javascript to toggle folds open and closed 369if exists("s:html_dynamic_folds") 370 exe "normal! a\n". 371 \ "<script type='text/javascript'>\n". 372 \ "<!--\n". 373 \ "function toggleFold(objID)\n". 374 \ "{\n". 375 \ " var fold;\n". 376 \ " fold = document.getElementById(objID);\n". 377 \ " if(fold.className == 'closed-fold')\n". 378 \ " {\n". 379 \ " fold.className = 'open-fold';\n". 380 \ " }\n". 381 \ " else if (fold.className == 'open-fold')\n". 382 \ " {\n". 383 \ " fold.className = 'closed-fold';\n". 384 \ " }\n". 385 \ "}\n". 386 \ "-->\n". 387 \ "</script>\n\e" 388endif 389 390if exists("g:html_no_pre") 391 exe "normal! a</head>\n<body>\n\e" 392else 393 exe "normal! a</head>\n<body>\n<pre>\n\e" 394endif 395 396exe s:orgwin . "wincmd w" 397 398" List of all id's 399let s:idlist = "," 400 401" First do some preprocessing for dynamic folding. Do this for the entire file 402" so we don't accidentally start within a closed fold or something. 403let s:allfolds = [] 404 405if exists("s:html_dynamic_folds") 406 let s:lnum = 1 407 let s:end = line('$') 408 " save the fold text and set it to the default so we can find fold levels 409 let s:foldtext_save = &foldtext 410 set foldtext& 411 412 " we will set the foldcolumn in the html to the greater of the maximum fold 413 " level and the current foldcolumn setting 414 let s:foldcolumn = &foldcolumn 415 416 " get all info needed to describe currently closed folds 417 while s:lnum < s:end 418 if foldclosed(s:lnum) == s:lnum 419 " default fold text has '+-' and then a number of dashes equal to fold 420 " level, so subtract 2 from index of first non-dash after the dashes 421 " in order to get the fold level of the current fold 422 let s:level = match(foldtextresult(s:lnum), '+-*\zs[^-]') - 2 423 if s:level+1 > s:foldcolumn 424 let s:foldcolumn = s:level+1 425 endif 426 " store fold info for later use 427 let s:newfold = {'firstline': s:lnum, 'lastline': foldclosedend(s:lnum), 'level': s:level,'type': "closed-fold"} 428 call add(s:allfolds, s:newfold) 429 " open the fold so we can find any contained folds 430 execute s:lnum."foldopen" 431 else 432 let s:lnum = s:lnum + 1 433 endif 434 endwhile 435 436 " close all folds to get info for originally open folds 437 silent! %foldclose! 438 let s:lnum = 1 439 440 " the originally open folds will be all folds we encounter that aren't 441 " already in the list of closed folds 442 while s:lnum < s:end 443 if foldclosed(s:lnum) == s:lnum 444 " default fold text has '+-' and then a number of dashes equal to fold 445 " level, so subtract 2 from index of first non-dash after the dashes 446 " in order to get the fold level of the current fold 447 let s:level = match(foldtextresult(s:lnum), '+-*\zs[^-]') - 2 448 if s:level+1 > s:foldcolumn 449 let s:foldcolumn = s:level+1 450 endif 451 let s:newfold = {'firstline': s:lnum, 'lastline': foldclosedend(s:lnum), 'level': s:level,'type': "closed-fold"} 452 " only add the fold if we don't already have it 453 if empty(s:allfolds) || index(s:allfolds, s:newfold) == -1 454 let s:newfold.type = "open-fold" 455 call add(s:allfolds, s:newfold) 456 endif 457 " open the fold so we can find any contained folds 458 execute s:lnum."foldopen" 459 else 460 let s:lnum = s:lnum + 1 461 endif 462 endwhile 463 464 " sort the folds so that we only ever need to look at the first item in the 465 " list of folds 466 call sort(s:allfolds, "s:FoldCompare") 467 468 let &foldtext = s:foldtext_save 469 unlet s:foldtext_save 470 471 " close all folds again so we can get the fold text as we go 472 silent! %foldclose! 473endif 474 475" Now loop over all lines in the original text to convert to html. 476" Use html_start_line and html_end_line if they are set. 477if exists("g:html_start_line") 478 let s:lnum = html_start_line 479 if s:lnum < 1 || s:lnum > line("$") 480 let s:lnum = 1 481 endif 482else 483 let s:lnum = 1 484endif 485if exists("g:html_end_line") 486 let s:end = html_end_line 487 if s:end < s:lnum || s:end > line("$") 488 let s:end = line("$") 489 endif 490else 491 let s:end = line("$") 492endif 493 494" stack to keep track of all the folds containing the current line 495let s:foldstack = [] 496 497if s:numblines 498 let s:margin = strlen(s:end) + 1 499else 500 let s:margin = 0 501endif 502 503if has('folding') && !exists('g:html_ignore_folding') 504 let s:foldfillchar = &fillchars[matchend(&fillchars, 'fold:')] 505 if s:foldfillchar == '' 506 let s:foldfillchar = '-' 507 endif 508endif 509let s:difffillchar = &fillchars[matchend(&fillchars, 'diff:')] 510if s:difffillchar == '' 511 let s:difffillchar = '-' 512endif 513 514let s:foldId = 0 515 516while s:lnum <= s:end 517 518 " If there are filler lines for diff mode, show these above the line. 519 let s:filler = diff_filler(s:lnum) 520 if s:filler > 0 521 let s:n = s:filler 522 while s:n > 0 523 let s:new = repeat(s:difffillchar, 3) 524 525 if s:n > 2 && s:n < s:filler && !exists("g:html_whole_filler") 526 let s:new = s:new . " " . s:filler . " inserted lines " 527 let s:n = 2 528 endif 529 530 if !exists("g:html_no_pre") 531 " HTML line wrapping is off--go ahead and fill to the margin 532 let s:new = s:new . repeat(s:difffillchar, &columns - strlen(s:new) - s:margin) 533 else 534 let s:new = s:new . repeat(s:difffillchar, 3) 535 endif 536 537 let s:new = s:HtmlFormat(s:new, "DiffDelete") 538 if s:numblines 539 " Indent if line numbering is on; must be after escaping. 540 let s:new = repeat(s:LeadingSpace, s:margin) . s:new 541 endif 542 exe s:newwin . "wincmd w" 543 exe "normal! a" . s:new . s:HtmlEndline . "\n\e" 544 exe s:orgwin . "wincmd w" 545 546 let s:n = s:n - 1 547 endwhile 548 unlet s:n 549 endif 550 unlet s:filler 551 552 " Start the line with the line number. 553 if s:numblines 554 let s:numcol = repeat(' ', s:margin - 1 - strlen(s:lnum)) . s:lnum . ' ' 555 else 556 let s:numcol = "" 557 endif 558 559 let s:new = "" 560 561 if has('folding') && !exists('g:html_ignore_folding') && foldclosed(s:lnum) > -1 && !exists('s:html_dynamic_folds') 562 " 563 " This is the beginning of a folded block (with no dynamic folding) 564 " 565 let s:new = s:numcol . foldtextresult(s:lnum) 566 if !exists("g:html_no_pre") 567 " HTML line wrapping is off--go ahead and fill to the margin 568 let s:new = s:new . repeat(s:foldfillchar, &columns - strlen(s:new)) 569 endif 570 571 let s:new = s:HtmlFormat(s:new, "Folded") 572 573 " Skip to the end of the fold 574 let s:lnum = foldclosedend(s:lnum) 575 576 else 577 " 578 " A line that is not folded, or doing dynamic folding. 579 " 580 let s:line = getline(s:lnum) 581 let s:len = strlen(s:line) 582 583 if exists("s:html_dynamic_folds") 584 " First insert a closing for any open folds that end on this line 585 while !empty(s:foldstack) && get(s:foldstack,0).lastline == s:lnum-1 586 let s:new = s:new."</span></span>" 587 call remove(s:foldstack, 0) 588 endwhile 589 590 " Now insert an opening any new folds that start on this line 591 let s:firstfold = 1 592 while !empty(s:allfolds) && get(s:allfolds,0).firstline == s:lnum 593 let s:foldId = s:foldId + 1 594 let s:new = s:new . "<span id='fold".s:foldId."' class='".s:allfolds[0].type."'>" 595 596 " Unless disabled, add a fold column for the opening line of a fold. 597 " 598 " Note that dynamic folds require using css so we just use css to take 599 " care of the leading spaces rather than using in the case of 600 " html_no_pre to make it easier 601 if !exists("g:html_no_foldcolumn") 602 " add fold column that can open the new fold 603 if s:allfolds[0].level > 1 && s:firstfold 604 let s:new = s:new . "<a class='toggle-open FoldColumn' href='javascript:toggleFold(\"fold".s:foldstack[0].id."\")'>" 605 let s:new = s:new . repeat('|', s:allfolds[0].level - 1) . "</a>" 606 endif 607 let s:new = s:new . "<a class='toggle-open FoldColumn' href='javascript:toggleFold(\"fold".s:foldId."\")'>+</a>" 608 let s:new = s:new . "<a class='toggle-open " 609 " If this is not the last fold we're opening on this line, we need 610 " to keep the filler spaces hidden if the fold is opened by mouse 611 " hover. If it is the last fold to open in the line, we shouldn't hide 612 " them, so don't apply the toggle-filler class. 613 if get(s:allfolds, 1, {'firstline': 0}).firstline == s:lnum 614 let s:new = s:new . "toggle-filler " 615 endif 616 let s:new = s:new . "FoldColumn' href='javascript:toggleFold(\"fold".s:foldId."\")'>" 617 let s:new = s:new . repeat(" ", s:foldcolumn - s:allfolds[0].level) . "</a>" 618 619 " add fold column that can close the new fold 620 let s:new = s:new . "<a class='toggle-closed FoldColumn' href='javascript:toggleFold(\"fold".s:foldId."\")'>" 621 if s:firstfold 622 let s:new = s:new . repeat('|', s:allfolds[0].level - 1) 623 endif 624 let s:new = s:new . "-" 625 " only add spaces if we aren't opening another fold on the same line 626 if get(s:allfolds, 1, {'firstline': 0}).firstline != s:lnum 627 let s:new = s:new . repeat(" ", s:foldcolumn - s:allfolds[0].level) 628 endif 629 let s:new = s:new . "</a>" 630 let s:firstfold = 0 631 endif 632 633 " add fold text, moving the span ending to the next line so collapsing 634 " of folds works correctly 635 let s:new = s:new . substitute(s:HtmlFormat(s:numcol . foldtextresult(s:lnum), "Folded"), '</span>', s:HtmlEndline.'\r\0', '') 636 let s:new = s:new . "<span class='fulltext'>" 637 638 " open the fold now that we have the fold text to allow retrieval of 639 " fold text for subsequent folds 640 execute s:lnum."foldopen" 641 call insert(s:foldstack, remove(s:allfolds,0)) 642 let s:foldstack[0].id = s:foldId 643 endwhile 644 645 " Unless disabled, add a fold column for other lines. 646 " 647 " Note that dynamic folds require using css so we just use css to take 648 " care of the leading spaces rather than using in the case of 649 " html_no_pre to make it easier 650 if !exists("g:html_no_foldcolumn") 651 if empty(s:foldstack) 652 " add the empty foldcolumn for unfolded lines 653 let s:new = s:new . s:HtmlFormat(repeat(' ', s:foldcolumn), "FoldColumn") 654 else 655 " add the fold column for folds not on the opening line 656 if get(s:foldstack, 0).firstline < s:lnum 657 let s:new = s:new . "<a class='FoldColumn' href='javascript:toggleFold(\"fold".s:foldstack[0].id."\")'>" 658 let s:new = s:new . repeat('|', s:foldstack[0].level) 659 let s:new = s:new . repeat(' ', s:foldcolumn - s:foldstack[0].level) . "</a>" 660 endif 661 endif 662 endif 663 endif 664 665 " Now continue with the unfolded line text 666 if s:numblines 667 let s:new = s:new . s:HtmlFormat(s:numcol, "lnr") 668 endif 669 670 " Get the diff attribute, if any. 671 let s:diffattr = diff_hlID(s:lnum, 1) 672 673 " Loop over each character in the line 674 let s:col = 1 675 while s:col <= s:len || (s:col == 1 && s:diffattr) 676 let s:startcol = s:col " The start column for processing text 677 if s:diffattr 678 let s:id = diff_hlID(s:lnum, s:col) 679 let s:col = s:col + 1 680 " Speed loop (it's small - that's the trick) 681 " Go along till we find a change in hlID 682 while s:col <= s:len && s:id == diff_hlID(s:lnum, s:col) | let s:col = s:col + 1 | endwhile 683 if s:len < &columns && !exists("g:html_no_pre") 684 " Add spaces at the end to mark the changed line. 685 let s:line = s:line . repeat(' ', &columns - virtcol([s:lnum, s:len]) - s:margin) 686 let s:len = &columns 687 endif 688 else 689 let s:id = synID(s:lnum, s:col, 1) 690 let s:col = s:col + 1 691 " Speed loop (it's small - that's the trick) 692 " Go along till we find a change in synID 693 while s:col <= s:len && s:id == synID(s:lnum, s:col, 1) | let s:col = s:col + 1 | endwhile 694 endif 695 696 " Expand tabs 697 let s:expandedtab = strpart(s:line, s:startcol - 1, s:col - s:startcol) 698 let s:offset = 0 699 let s:idx = stridx(s:expandedtab, "\t") 700 while s:idx >= 0 701 if has("multi_byte_encoding") 702 if s:startcol + s:idx == 1 703 let s:i = &ts 704 else 705 if s:idx == 0 706 let s:prevc = matchstr(s:line, '.\%' . (s:startcol + s:idx + s:offset) . 'c') 707 else 708 let s:prevc = matchstr(s:expandedtab, '.\%' . (s:idx + 1) . 'c') 709 endif 710 let s:vcol = virtcol([s:lnum, s:startcol + s:idx + s:offset - len(s:prevc)]) 711 let s:i = &ts - (s:vcol % &ts) 712 endif 713 let s:offset -= s:i - 1 714 else 715 let s:i = &ts - ((s:idx + s:startcol - 1) % &ts) 716 endif 717 let s:expandedtab = substitute(s:expandedtab, '\t', repeat(' ', s:i), '') 718 let s:idx = stridx(s:expandedtab, "\t") 719 endwhile 720 721 " Output the text with the same synID, with class set to {s:id_name} 722 let s:id = synIDtrans(s:id) 723 let s:id_name = synIDattr(s:id, "name", s:whatterm) 724 let s:new = s:new . s:HtmlFormat(s:expandedtab, s:id_name) 725 endwhile 726 endif 727 728 exe s:newwin . "wincmd w" 729 exe "normal! a" . s:new . s:HtmlEndline . "\n\e" 730 exe s:orgwin . "wincmd w" 731 let s:lnum = s:lnum + 1 732endwhile 733" Finish with the last line 734exe s:newwin . "wincmd w" 735 736if exists("s:html_dynamic_folds") 737 " finish off any open folds 738 while !empty(s:foldstack) 739 exe "normal! a</span></span>" 740 call remove(s:foldstack, 0) 741 endwhile 742 743 " add fold column to the style list if not already there 744 let s:id = hlID('FoldColumn') 745 if stridx(s:idlist, "," . s:id . ",") == -1 746 let s:idlist = s:idlist . s:id . "," 747 endif 748endif 749 750" Close off the font tag that encapsulates the whole <body> 751if !exists("s:html_use_css") 752 exe "normal! a</font>\e" 753endif 754 755if exists("g:html_no_pre") 756 exe "normal! a</body>\n</html>\e" 757else 758 exe "normal! a</pre>\n</body>\n</html>\e" 759endif 760 761 762" Now, when we finally know which, we define the colors and styles 763if exists("s:html_use_css") 764 1;/<style type="text/+1 765endif 766 767" Find out the background and foreground color. 768let s:fgc = s:HtmlColor(synIDattr(hlID("Normal"), "fg#", s:whatterm)) 769let s:bgc = s:HtmlColor(synIDattr(hlID("Normal"), "bg#", s:whatterm)) 770if s:fgc == "" 771 let s:fgc = ( &background == "dark" ? "#ffffff" : "#000000" ) 772endif 773if s:bgc == "" 774 let s:bgc = ( &background == "dark" ? "#000000" : "#ffffff" ) 775endif 776 777" Normal/global attributes 778" For Netscape 4, set <body> attributes too, though, strictly speaking, it's 779" incorrect. 780if exists("s:html_use_css") 781 if exists("g:html_no_pre") 782 execute "normal! A\nbody { color: " . s:fgc . "; background-color: " . s:bgc . "; font-family: ". s:htmlfont ."; }\e" 783 else 784 execute "normal! A\npre { font-family: ". s:htmlfont ."; color: " . s:fgc . "; background-color: " . s:bgc . "; }\e" 785 yank 786 put 787 execute "normal! ^cwbody\e" 788 endif 789else 790 execute '%s:<body>:<body bgcolor="' . s:bgc . '" text="' . s:fgc . '"><font face="'. s:htmlfont .'">' 791endif 792 793" Line numbering attributes 794if s:numblines 795 if exists("s:html_use_css") 796 execute "normal! A\n.lnr { " . s:CSS1(hlID("LineNr")) . "}\e" 797 else 798 execute '%s+^<span class="lnr">\([^<]*\)</span>+' . s:HtmlOpening(hlID("LineNr")) . '\1' . s:HtmlClosing(hlID("LineNr")) . '+g' 799 endif 800endif 801 802" Gather attributes for all other classes 803let s:idlist = strpart(s:idlist, 1) 804while s:idlist != "" 805 let s:attr = "" 806 let s:col = stridx(s:idlist, ",") 807 let s:id = strpart(s:idlist, 0, s:col) 808 let s:idlist = strpart(s:idlist, s:col + 1) 809 let s:attr = s:CSS1(s:id) 810 let s:id_name = synIDattr(s:id, "name", s:whatterm) 811 " If the class has some attributes, export the style, otherwise DELETE all 812 " its occurences to make the HTML shorter 813 if s:attr != "" 814 if exists("s:html_use_css") 815 execute "normal! A\n." . s:id_name . " { " . s:attr . "}" 816 else 817 execute '%s+<span class="' . s:id_name . '">\([^<]*\)</span>+' . s:HtmlOpening(s:id) . '\1' . s:HtmlClosing(s:id) . '+g' 818 endif 819 else 820 execute '%s+<span class="' . s:id_name . '">\([^<]*\)</span>+\1+ge' 821 if exists("s:html_use_css") 822 1;/<style type="text/+1 823 endif 824 endif 825endwhile 826 827" Add hyperlinks 828%s+\(https\=://\S\{-}\)\(\([.,;:}]\=\(\s\|$\)\)\|[\\"'<>]\|>\|<\|"\)+<a href="\1">\1</a>\2+ge 829 830" The DTD 831if exists("g:use_xhtml") 832 exe "normal! gg$a\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\e" 833else 834 exe "normal! gg0i<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n\e" 835endif 836 837if exists("g:use_xhtml") 838 exe "normal! gg/<html/e\na xmlns=\"http://www.w3.org/1999/xhtml\"\e" 839endif 840 841" Cleanup 842%s:\s\+$::e 843 844" Restore old settings 845let &report = s:old_report 846let &title = s:old_title 847let &icon = s:old_icon 848let &paste = s:old_paste 849let &magic = s:old_magic 850let @/ = s:old_search 851exe s:orgwin . "wincmd w" 852let &l:et = s:old_et 853exe s:newwin . "wincmd w" 854 855" Reset old <pre> settings 856if exists("s:old_html_no_pre") 857 let html_no_pre = s:old_html_no_pre 858 unlet s:old_html_no_pre 859elseif exists("g:html_no_pre") 860 unlet html_no_pre 861endif 862 863" Save a little bit of memory (worth doing?) 864unlet s:htmlfont 865unlet s:old_et s:old_paste s:old_icon s:old_report s:old_title s:old_search 866unlet s:whatterm s:idlist s:lnum s:end s:margin s:fgc s:bgc s:old_magic 867unlet! s:col s:id s:attr s:len s:line s:new s:expandedtab s:numblines 868unlet! s:orgwin s:newwin s:orgbufnr s:idx s:i s:offset 869if !v:profiling 870 delfunc s:HtmlColor 871 delfunc s:HtmlFormat 872 delfunc s:CSS1 873 if !exists("s:html_use_css") 874 delfunc s:HtmlOpening 875 delfunc s:HtmlClosing 876 endif 877endif 878silent! unlet s:diffattr s:difffillchar s:foldfillchar s:HtmlSpace s:LeadingSpace s:HtmlEndline s:firstfold s:foldcolumn 879unlet s:foldstack s:allfolds s:foldId s:numcol 880 881if exists("s:html_dynamic_folds") 882 delfunc s:FoldCompare 883endif 884 885silent! unlet s:html_dynamic_folds s:html_hover_unfold s:html_use_css 886 887let &cpo = s:cpo_sav 888unlet s:cpo_sav 889 890" vim: noet sw=2 sts=2 891