xref: /vim-8.2.3635/runtime/syntax/2html.vim (revision 2a8a3ecb)
1" Vim syntax support file
2" Maintainer: Ben Fritz <[email protected]>
3" Last Change: 2011 Jan 06
4"
5" Additional contributors:
6"
7"             Original by Bram Moolenaar <[email protected]>
8"             Modified by David Ne\v{c}as (Yeti) <[email protected]>
9"             XHTML support by Panagiotis Issaris <[email protected]>
10"             Made w3 compliant by Edd Barrett <[email protected]>
11"             Added html_font. Edd Barrett <[email protected]>
12"             Progress bar based off code from "progressbar widget" plugin by
13"               Andreas Politz, heavily modified:
14"               http://www.vim.org/scripts/script.php?script_id=2006
15"
16"             See Mercurial change logs for more!
17
18" Transform a file into HTML, using the current syntax highlighting.
19
20" this file uses line continuations
21let s:cpo_sav = &cpo
22let s:ls  = &ls
23set cpo-=C
24
25let s:end=line('$')
26
27" Font
28if exists("g:html_font")
29  let s:htmlfont = "'". g:html_font . "', monospace"
30else
31  let s:htmlfont = "monospace"
32endif
33
34let s:settings = tohtml#GetUserSettings()
35
36" When not in gui we can only guess the colors.
37if has("gui_running")
38  let s:whatterm = "gui"
39else
40  let s:whatterm = "cterm"
41  if &t_Co == 8
42    let s:cterm_color = {0: "#808080", 1: "#ff6060", 2: "#00ff00", 3: "#ffff00", 4: "#8080ff", 5: "#ff40ff", 6: "#00ffff", 7: "#ffffff"}
43  else
44    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"}
45
46    " Colors for 88 and 256 come from xterm.
47    if &t_Co == 88
48      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"})
49      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"})
50    elseif &t_Co == 256
51      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"})
52      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"})
53      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"})
54      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"})
55      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"})
56    endif
57  endif
58endif
59
60" Return good color specification: in GUI no transformation is done, in
61" terminal return RGB values of known colors and empty string for unknown
62if s:whatterm == "gui"
63  function! s:HtmlColor(color)
64    return a:color
65  endfun
66else
67  function! s:HtmlColor(color)
68    if has_key(s:cterm_color, a:color)
69      return s:cterm_color[a:color]
70    else
71      return ""
72    endif
73  endfun
74endif
75
76if !s:settings.use_css
77  " Return opening HTML tag for given highlight id
78  function! s:HtmlOpening(id)
79    let a = ""
80    if synIDattr(a:id, "inverse")
81      " For inverse, we always must set both colors (and exchange them)
82      let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
83      let a = a . '<span style="background-color: ' . ( x != "" ? x : s:fgc ) . '">'
84      let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
85      let a = a . '<font color="' . ( x != "" ? x : s:bgc ) . '">'
86    else
87      let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
88      if x != "" | let a = a . '<span style="background-color: ' . x . '">' | endif
89      let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
90      if x != "" | let a = a . '<font color="' . x . '">' | endif
91    endif
92    if synIDattr(a:id, "bold") | let a = a . "<b>" | endif
93    if synIDattr(a:id, "italic") | let a = a . "<i>" | endif
94    if synIDattr(a:id, "underline") | let a = a . "<u>" | endif
95    return a
96  endfun
97
98  " Return closing HTML tag for given highlight id
99  function! s:HtmlClosing(id)
100    let a = ""
101    if synIDattr(a:id, "underline") | let a = a . "</u>" | endif
102    if synIDattr(a:id, "italic") | let a = a . "</i>" | endif
103    if synIDattr(a:id, "bold") | let a = a . "</b>" | endif
104    if synIDattr(a:id, "inverse")
105      let a = a . '</font></span>'
106    else
107      let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
108      if x != "" | let a = a . '</font>' | endif
109      let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
110      if x != "" | let a = a . '</span>' | endif
111    endif
112    return a
113  endfun
114endif
115
116" Return HTML valid characters enclosed in a span of class style_name with
117" unprintable characters expanded and double spaces replaced as necessary.
118function! s:HtmlFormat(text, style_name, diff_style_name)
119  " Replace unprintable characters
120  let formatted = strtrans(a:text)
121
122  " separate the two classes by a space to apply them both if there is a diff
123  " style name
124  let l:style_name = a:style_name . (a:diff_style_name == '' ? '' : ' ') . a:diff_style_name
125
126  " Replace the reserved html characters
127  let formatted = substitute(formatted, '&', '\&amp;',  'g')
128  let formatted = substitute(formatted, '<', '\&lt;',   'g')
129  let formatted = substitute(formatted, '>', '\&gt;',   'g')
130  let formatted = substitute(formatted, '"', '\&quot;', 'g')
131  " TODO: Use &apos; for "'"?
132
133  " Replace a "form feed" character with HTML to do a page break
134  let formatted = substitute(formatted, "\x0c", '<hr class="PAGE-BREAK">', 'g')
135
136  " Mangle modelines so Vim doesn't try to use HTML text as a modeline if
137  " editing this file in the future
138  let formatted = substitute(formatted, '\v(\s+%(vim?|ex)):', '\1\&#0058;', 'g')
139
140  " Replace double spaces, leading spaces, and trailing spaces if needed
141  if ' ' != s:HtmlSpace
142    let formatted = substitute(formatted, '  ', s:HtmlSpace . s:HtmlSpace, 'g')
143    let formatted = substitute(formatted, '^ ', s:HtmlSpace, 'g')
144    let formatted = substitute(formatted, ' \+$', s:HtmlSpace, 'g')
145  endif
146
147  " Enclose in a span of class style_name
148  let formatted = '<span class="' . l:style_name . '">' . formatted . '</span>'
149
150  " Add the class to class list if it's not there yet.
151  " Add normal groups to the beginning so diff groups can override them.
152  let s:id = hlID(a:style_name)
153  if index(s:idlist, s:id ) == -1
154    if a:style_name =~ 'Diff\%(Add\|Change\|Delete\|Text\)'
155      call add(s:idlist, s:id)
156    else
157      call insert(s:idlist, s:id)
158    endif
159  endif
160
161  " Add the diff highlight class to class list if used and it's not there yet.
162  " Add diff groups to the end so they override the other highlighting.
163  if a:diff_style_name != ""
164    let s:diff_id = hlID(a:diff_style_name)
165    if index(s:idlist, s:diff_id) == -1
166      call add(s:idlist, s:diff_id)
167    endif
168  endif
169
170  return formatted
171endfun
172
173" Return CSS style describing given highlight id (can be empty)
174function! s:CSS1(id)
175  let a = ""
176  if synIDattr(a:id, "inverse")
177    " For inverse, we always must set both colors (and exchange them)
178    let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
179    let a = a . "color: " . ( x != "" ? x : s:bgc ) . "; "
180    let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
181    let a = a . "background-color: " . ( x != "" ? x : s:fgc ) . "; "
182  else
183    let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
184    if x != "" | let a = a . "color: " . x . "; " | endif
185    let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
186    if x != "" | let a = a . "background-color: " . x . "; " | endif
187  endif
188  if synIDattr(a:id, "bold") | let a = a . "font-weight: bold; " | endif
189  if synIDattr(a:id, "italic") | let a = a . "font-style: italic; " | endif
190  if synIDattr(a:id, "underline") | let a = a . "text-decoration: underline; " | endif
191  return a
192endfun
193
194if s:settings.dynamic_folds
195  " compares two folds as stored in our list of folds
196  " A fold is "less" than another if it starts at an earlier line number,
197  " or ends at a later line number, ties broken by fold level
198  function! s:FoldCompare(f1, f2)
199    if a:f1.firstline != a:f2.firstline
200      " put it before if it starts earlier
201      return a:f1.firstline - a:f2.firstline
202    elseif a:f1.lastline != a:f2.lastline
203      " put it before if it ends later
204      return a:f2.lastline - a:f1.lastline
205    else
206      " if folds begin and end on the same lines, put lowest fold level first
207      return a:f1.level - a:f2.level
208    endif
209  endfunction
210
211endif
212
213
214" Set some options to make it work faster.
215" Don't report changes for :substitute, there will be many of them.
216" Don't change other windows; turn off scroll bind temporarily
217let s:old_title = &title
218let s:old_icon = &icon
219let s:old_et = &l:et
220let s:old_bind = &l:scrollbind
221let s:old_report = &report
222let s:old_search = @/
223let s:old_more = &more
224set notitle noicon
225setlocal et
226set nomore
227set report=1000000
228setlocal noscrollbind
229
230if exists(':ownsyntax') && exists('w:current_syntax')
231  let s:current_syntax = w:current_syntax
232elseif exists('b:current_syntax')
233  let s:current_syntax = b:current_syntax
234else
235  let s:current_syntax = 'none'
236endif
237
238if s:current_syntax == ''
239  let s:current_syntax = 'none'
240endif
241
242" Split window to create a buffer with the HTML file.
243let s:orgbufnr = winbufnr(0)
244let s:origwin_stl = &l:stl
245if expand("%") == ""
246  exec 'new Untitled.'.(s:settings.use_xhtml ? 'x' : '').'html'
247else
248  exec 'new %.'.(s:settings.use_xhtml ? 'x' : '').'html'
249endif
250
251" Resize the new window to very small in order to make it draw faster
252let s:old_winheight = winheight(0)
253let s:old_winfixheight = &l:winfixheight
254if s:old_winheight > 2
255  resize 1 " leave enough room to view one line at a time
256  norm! G
257  norm! zt
258endif
259setlocal winfixheight
260
261let s:newwin_stl = &l:stl
262
263" on the new window, set the least time-consuming fold method
264let s:old_fdm = &foldmethod
265let s:old_fen = &foldenable
266setlocal foldmethod=manual
267setlocal nofoldenable
268
269let s:newwin = winnr()
270let s:orgwin = bufwinnr(s:orgbufnr)
271
272setlocal modifiable
273%d
274let s:old_paste = &paste
275set paste
276let s:old_magic = &magic
277set magic
278
279" set the fileencoding to match the charset we'll be using
280let &l:fileencoding=s:settings.vim_encoding
281
282" According to http://www.w3.org/TR/html4/charset.html#doc-char-set, the byte
283" order mark is highly recommend on the web when using multibyte encodings. But,
284" it is not a good idea to include it on UTF-8 files. Otherwise, let Vim
285" determine when it is actually inserted.
286if s:settings.vim_encoding == 'utf-8'
287  setlocal nobomb
288else
289  setlocal bomb
290endif
291
292let s:lines = []
293
294if s:settings.use_xhtml
295  if s:settings.encoding != ""
296    call add(s:lines, "<?xml version=\"1.0\" encoding=\"" . s:settings.encoding . "\"?>")
297  else
298    call add(s:lines, "<?xml version=\"1.0\"?>")
299  endif
300  let s:tag_close = ' />'
301else
302  let s:tag_close = '>'
303endif
304
305let s:HtmlSpace = ' '
306let s:LeadingSpace = ' '
307let s:HtmlEndline = ''
308if s:settings.no_pre
309  let s:HtmlEndline = '<br' . s:tag_close
310  let s:LeadingSpace = '&nbsp;'
311  let s:HtmlSpace = '\' . s:LeadingSpace
312endif
313
314" HTML header, with the title and generator ;-). Left free space for the CSS,
315" to be filled at the end.
316call extend(s:lines, [
317      \ "<html>",
318      \ "<head>"])
319" include encoding as close to the top as possible, but only if not already
320" contained in XML information (to avoid haggling over content type)
321if s:settings.encoding != "" && !s:settings.use_xhtml
322  call add(s:lines, "<meta http-equiv=\"content-type\" content=\"text/html; charset=" . s:settings.encoding . '"' . s:tag_close)
323endif
324call extend(s:lines, [
325      \ ("<title>".expand("%:p:~")."</title>"),
326      \ ("<meta name=\"Generator\" content=\"Vim/".v:version/100.".".v:version%100.'"'.s:tag_close),
327      \ ("<meta name=\"plugin-version\" content=\"".g:loaded_2html_plugin.'"'.s:tag_close)
328      \ ])
329call add(s:lines, '<meta name="syntax" content="'.s:current_syntax.'"'.s:tag_close)
330call add(s:lines, '<meta name="settings" content="'.
331      \ join(filter(keys(s:settings),'s:settings[v:val]'),',').
332      \ '"'.s:tag_close)
333
334if s:settings.use_css
335  if s:settings.dynamic_folds
336    if s:settings.hover_unfold
337      " if we are doing hover_unfold, use css 2 with css 1 fallback for IE6
338      call extend(s:lines, [
339	    \ "<style type=\"text/css\">",
340	    \ s:settings.use_xhtml ? "" : "<!--",
341	    \ ".FoldColumn { text-decoration: none; white-space: pre; }",
342	    \ "",
343	    \ "body * { margin: 0; padding: 0; }", "",
344	    \ ".open-fold   > .Folded { display: none;  }",
345	    \ ".open-fold   > .fulltext { display: inline; }",
346	    \ ".closed-fold > .fulltext { display: none;  }",
347	    \ ".closed-fold > .Folded { display: inline; }",
348	    \ "",
349	    \ ".open-fold   > .toggle-open   { display: none;   }",
350	    \ ".open-fold   > .toggle-closed { display: inline; }",
351	    \ ".closed-fold > .toggle-open   { display: inline; }",
352	    \ ".closed-fold > .toggle-closed { display: none;   }",
353	    \ "", "",
354	    \ '/* opening a fold while hovering won''t be supported by IE6 and other',
355	    \ "similar browsers, but it should fail gracefully. */",
356	    \ ".closed-fold:hover > .fulltext { display: inline; }",
357	    \ ".closed-fold:hover > .toggle-filler { display: none; }",
358	    \ ".closed-fold:hover > .Folded { display: none; }",
359	    \ s:settings.use_xhtml ? "" : '-->',
360	    \ '</style>'])
361      " TODO: IE7 doesn't *actually* support XHTML, maybe we should remove this.
362      " But if it's served up as tag soup, maybe the following will work, so
363      " leave it in for now.
364      call extend(s:lines, [
365	    \ "<!--[if lt IE 7]><style type=\"text/css\">",
366	    \ ".open-fold   .Folded      { display: none; }",
367	    \ ".open-fold   .fulltext      { display: inline; }",
368	    \ ".open-fold   .toggle-open   { display: none; }",
369	    \ ".closed-fold .toggle-closed { display: inline; }",
370	    \ "",
371	    \ ".closed-fold .fulltext      { display: none; }",
372	    \ ".closed-fold .Folded      { display: inline; }",
373	    \ ".closed-fold .toggle-open   { display: inline; }",
374	    \ ".closed-fold .toggle-closed { display: none; }",
375	    \ "</style>",
376	    \ "<![endif]-->",
377	    \])
378    else
379      " if we aren't doing hover_unfold, use CSS 1 only
380      call extend(s:lines, [
381	    \ "<style type=\"text/css\">",
382	    \ s:settings.use_xhtml ? "" :"<!--",
383	    \ ".FoldColumn { text-decoration: none; white-space: pre; }",
384	    \ ".open-fold   .Folded      { display: none; }",
385	    \ ".open-fold   .fulltext      { display: inline; }",
386	    \ ".open-fold   .toggle-open   { display: none; }",
387	    \ ".closed-fold .toggle-closed { display: inline; }",
388	    \ "",
389	    \ ".closed-fold .fulltext      { display: none; }",
390	    \ ".closed-fold .Folded      { display: inline; }",
391	    \ ".closed-fold .toggle-open   { display: inline; }",
392	    \ ".closed-fold .toggle-closed { display: none; }",
393	    \ s:settings.use_xhtml ? "" : '-->',
394	    \ '</style>'
395	    \])
396    endif
397  else
398    " if we aren't doing any dynamic folding, no need for any special rules
399    call extend(s:lines, [
400	  \ "<style type=\"text/css\">",
401	  \ s:settings.use_xhtml ? "" : "<!--",
402	  \ s:settings.use_xhtml ? "" : '-->',
403	  \ "</style>",
404	  \])
405  endif
406endif
407
408" insert javascript to toggle folds open and closed
409if s:settings.dynamic_folds
410  call extend(s:lines, [
411	\ "",
412	\ "<script type='text/javascript'>",
413	\ s:settings.use_xhtml ? '//<![CDATA[' : "<!--",
414	\ "function toggleFold(objID)",
415	\ "{",
416	\ "  var fold;",
417	\ "  fold = document.getElementById(objID);",
418	\ "  if(fold.className == 'closed-fold')",
419	\ "  {",
420	\ "    fold.className = 'open-fold';",
421	\ "  }",
422	\ "  else if (fold.className == 'open-fold')",
423	\ "  {",
424	\ "    fold.className = 'closed-fold';",
425	\ "  }",
426	\ "}",
427	\ s:settings.use_xhtml ? '//]]>' : '-->',
428	\ "</script>"
429	\])
430endif
431
432if s:settings.no_pre
433  call extend(s:lines, ["</head>", "<body>"])
434else
435  call extend(s:lines, ["</head>", "<body>", "<pre>"])
436endif
437
438exe s:orgwin . "wincmd w"
439
440" List of all id's
441let s:idlist = []
442
443" set up progress bar in the status line
444if !s:settings.no_progress
445  " ProgressBar Indicator
446  let s:progressbar={}
447
448  " Progessbar specific functions
449  func! s:ProgressBar(title, max_value, winnr)
450    let pgb=copy(s:progressbar)
451    let pgb.title = a:title.' '
452    let pgb.max_value = a:max_value
453    let pgb.winnr = a:winnr
454    let pgb.cur_value = 0
455    let pgb.items = { 'title'   : { 'color' : 'Statusline' },
456	  \'bar'     : { 'color' : 'Statusline' , 'fillcolor' : 'DiffDelete' , 'bg' : 'Statusline' } ,
457	  \'counter' : { 'color' : 'Statusline' } }
458    let pgb.last_value = 0
459    let pgb.needs_redraw = 0
460    " Note that you must use len(split) instead of len() if you want to use
461    " unicode in title.
462    "
463    " Subtract 3 for spacing around the title.
464    " Subtract 4 for the percentage display.
465    " Subtract 2 for spacing before this.
466    " Subtract 2 more for the '|' on either side of the progress bar
467    let pgb.subtractedlen=len(split(pgb.title, '\zs'))+3+4+2+2
468    let pgb.max_len = 0
469    set laststatus=2
470    return pgb
471  endfun
472
473  " Function: progressbar.calculate_ticks() {{{1
474  func! s:progressbar.calculate_ticks(pb_len)
475    if a:pb_len<=0
476      let pb_len = 100
477    else
478      let pb_len = a:pb_len
479    endif
480    let self.progress_ticks = map(range(pb_len+1), "v:val * self.max_value / pb_len")
481  endfun
482
483  "Function: progressbar.paint()
484  func! s:progressbar.paint()
485    " Recalculate widths.
486    let max_len = winwidth(self.winnr)
487    let pb_len = 0
488    " always true on first call because of initial value of self.max_len
489    if max_len != self.max_len
490      let self.max_len = max_len
491
492      " Progressbar length
493      let pb_len = max_len - self.subtractedlen
494
495      call self.calculate_ticks(pb_len)
496
497      let self.needs_redraw = 1
498      let cur_value = 0
499      let self.pb_len = pb_len
500    else
501      " start searching at the last found index to make the search for the
502      " appropriate tick value normally take 0 or 1 comparisons
503      let cur_value = self.last_value
504      let pb_len = self.pb_len
505    endif
506
507    let cur_val_max = pb_len > 0 ? pb_len : 100
508
509    " find the current progress bar position based on precalculated thresholds
510    while cur_value < cur_val_max && self.cur_value > self.progress_ticks[cur_value]
511      let cur_value += 1
512    endwhile
513
514    " update progress bar
515    if self.last_value != cur_value || self.needs_redraw || self.cur_value == self.max_value
516      let self.needs_redraw = 1
517      let self.last_value = cur_value
518
519      let t_color  = self.items.title.color
520      let b_fcolor = self.items.bar.fillcolor
521      let b_color  = self.items.bar.color
522      let c_color  = self.items.counter.color
523
524      let stl =  "%#".t_color."#%-( ".self.title." %)".
525	    \"%#".b_color."#".
526	    \(pb_len>0 ?
527	    \	('|%#'.b_fcolor."#%-(".repeat(" ",cur_value)."%)".
528	    \	 '%#'.b_color."#".repeat(" ",pb_len-cur_value)."|"):
529	    \	('')).
530	    \"%=%#".c_color."#%( ".printf("%3.d ",100*self.cur_value/self.max_value)."%% %)"
531      call setwinvar(self.winnr, '&stl', stl)
532    endif
533  endfun
534
535  func! s:progressbar.incr( ... )
536    let self.cur_value += (a:0 ? a:1 : 1)
537    " if we were making a general-purpose progress bar, we'd need to limit to a
538    " lower limit as well, but since we always increment with a positive value
539    " in this script, we only need limit the upper value
540    let self.cur_value = (self.cur_value > self.max_value ? self.max_value : self.cur_value)
541    call self.paint()
542  endfun
543  " }}}
544  if s:settings.dynamic_folds
545    " to process folds we make two passes through each line
546    let s:pgb = s:ProgressBar("Processing folds:", line('$')*2, s:orgwin)
547  endif
548endif
549
550" First do some preprocessing for dynamic folding. Do this for the entire file
551" so we don't accidentally start within a closed fold or something.
552let s:allfolds = []
553
554if s:settings.dynamic_folds
555  let s:lnum = 1
556  let s:end = line('$')
557  " save the fold text and set it to the default so we can find fold levels
558  let s:foldtext_save = &foldtext
559  setlocal foldtext&
560
561  " we will set the foldcolumn in the html to the greater of the maximum fold
562  " level and the current foldcolumn setting
563  let s:foldcolumn = &foldcolumn
564
565  " get all info needed to describe currently closed folds
566  while s:lnum <= s:end
567    if foldclosed(s:lnum) == s:lnum
568      " default fold text has '+-' and then a number of dashes equal to fold
569      " level, so subtract 2 from index of first non-dash after the dashes
570      " in order to get the fold level of the current fold
571      let s:level = match(foldtextresult(s:lnum), '+-*\zs[^-]') - 2
572      " store fold info for later use
573      let s:newfold = {'firstline': s:lnum, 'lastline': foldclosedend(s:lnum), 'level': s:level,'type': "closed-fold"}
574      call add(s:allfolds, s:newfold)
575      " open the fold so we can find any contained folds
576      execute s:lnum."foldopen"
577    else
578      if !s:settings.no_progress
579	call s:pgb.incr()
580	if s:pgb.needs_redraw
581	  redrawstatus
582	  let s:pgb.needs_redraw = 0
583	endif
584      endif
585      let s:lnum = s:lnum + 1
586    endif
587  endwhile
588
589  " close all folds to get info for originally open folds
590  silent! %foldclose!
591  let s:lnum = 1
592
593  " the originally open folds will be all folds we encounter that aren't
594  " already in the list of closed folds
595  while s:lnum <= s:end
596    if foldclosed(s:lnum) == s:lnum
597      " default fold text has '+-' and then a number of dashes equal to fold
598      " level, so subtract 2 from index of first non-dash after the dashes
599      " in order to get the fold level of the current fold
600      let s:level = match(foldtextresult(s:lnum), '+-*\zs[^-]') - 2
601      let s:newfold = {'firstline': s:lnum, 'lastline': foldclosedend(s:lnum), 'level': s:level,'type': "closed-fold"}
602      " only add the fold if we don't already have it
603      if empty(s:allfolds) || index(s:allfolds, s:newfold) == -1
604	let s:newfold.type = "open-fold"
605	call add(s:allfolds, s:newfold)
606      endif
607      " open the fold so we can find any contained folds
608      execute s:lnum."foldopen"
609    else
610      if !s:settings.no_progress
611	call s:pgb.incr()
612	if s:pgb.needs_redraw
613	  redrawstatus
614	  let s:pgb.needs_redraw = 0
615	endif
616      endif
617      let s:lnum = s:lnum + 1
618    endif
619  endwhile
620
621  " sort the folds so that we only ever need to look at the first item in the
622  " list of folds
623  call sort(s:allfolds, "s:FoldCompare")
624
625  let &l:foldtext = s:foldtext_save
626  unlet s:foldtext_save
627
628  " close all folds again so we can get the fold text as we go
629  silent! %foldclose!
630
631  for afold in s:allfolds
632    let removed = 0
633    if exists("g:html_start_line") && exists("g:html_end_line")
634      if afold.firstline < g:html_start_line
635	if afold.lastline < g:html_end_line && afold.lastline > g:html_start_line
636	  " if a fold starts before the range to convert but stops within the
637	  " range, we need to include it. Make it start on the first converted
638	  " line.
639	  let afold.firstline = g:html_start_line
640	else
641	  " if the fold lies outside the range or the start and stop enclose
642	  " the entire range, don't bother parsing it
643	  call remove(s:allfolds, index(s:allfolds, afold))
644	  let removed = 1
645	endif
646      elseif afold.firstline > g:html_end_line
647	" If the entire fold lies outside the range we need to remove it.
648	call remove(s:allfolds, index(s:allfolds, afold))
649	let removed = 1
650      endif
651    elseif exists("g:html_start_line")
652      if afold.firstline < g:html_start_line
653	" if there is no last line, but there is a first line, the end of the
654	" fold will always lie within the region of interest, so keep it
655	let afold.firstline = g:html_start_line
656      endif
657    elseif exists("g:html_end_line")
658      " if there is no first line we default to the first line in the buffer so
659      " the fold start will always be included if the fold itself is included.
660      " If however the entire fold lies outside the range we need to remove it.
661      if afold.firstline > g:html_end_line
662	call remove(s:allfolds, index(s:allfolds, afold))
663	let removed = 1
664      endif
665    endif
666    if !removed
667      if afold.level+1 > s:foldcolumn
668	let s:foldcolumn = afold.level+1
669      endif
670    endif
671  endfor
672endif
673
674" Now loop over all lines in the original text to convert to html.
675" Use html_start_line and html_end_line if they are set.
676if exists("g:html_start_line")
677  let s:lnum = html_start_line
678  if s:lnum < 1 || s:lnum > line("$")
679    let s:lnum = 1
680  endif
681else
682  let s:lnum = 1
683endif
684if exists("g:html_end_line")
685  let s:end = html_end_line
686  if s:end < s:lnum || s:end > line("$")
687    let s:end = line("$")
688  endif
689else
690  let s:end = line("$")
691endif
692
693" stack to keep track of all the folds containing the current line
694let s:foldstack = []
695
696if !s:settings.no_progress
697  let s:pgb = s:ProgressBar("Processing lines:", s:end - s:lnum + 1, s:orgwin)
698endif
699
700if s:settings.number_lines
701  let s:margin = strlen(s:end) + 1
702else
703  let s:margin = 0
704endif
705
706if has('folding') && !s:settings.ignore_folding
707  let s:foldfillchar = &fillchars[matchend(&fillchars, 'fold:')]
708  if s:foldfillchar == ''
709    let s:foldfillchar = '-'
710  endif
711endif
712let s:difffillchar = &fillchars[matchend(&fillchars, 'diff:')]
713if s:difffillchar == ''
714  let s:difffillchar = '-'
715endif
716
717let s:foldId = 0
718
719if !s:settings.expand_tabs
720  " If keeping tabs, add them to printable characters so we keep them when
721  " formatting text (strtrans() doesn't replace printable chars)
722  let s:old_isprint = &isprint
723  setlocal isprint+=9
724endif
725
726while s:lnum <= s:end
727
728  " If there are filler lines for diff mode, show these above the line.
729  let s:filler = diff_filler(s:lnum)
730  if s:filler > 0
731    let s:n = s:filler
732    while s:n > 0
733      let s:new = repeat(s:difffillchar, 3)
734
735      if s:n > 2 && s:n < s:filler && !s:settings.whole_filler
736	let s:new = s:new . " " . s:filler . " inserted lines "
737	let s:n = 2
738      endif
739
740      if !s:settings.no_pre
741	" HTML line wrapping is off--go ahead and fill to the margin
742	let s:new = s:new . repeat(s:difffillchar, &columns - strlen(s:new) - s:margin)
743      else
744	let s:new = s:new . repeat(s:difffillchar, 3)
745      endif
746
747      let s:new = s:HtmlFormat(s:new, "DiffDelete", "")
748      if s:settings.number_lines
749	" Indent if line numbering is on; must be after escaping.
750	let s:new = repeat(s:LeadingSpace, s:margin) . s:new
751      endif
752      call add(s:lines, s:new.s:HtmlEndline)
753
754      let s:n = s:n - 1
755    endwhile
756    unlet s:n
757  endif
758  unlet s:filler
759
760  " Start the line with the line number.
761  if s:settings.number_lines
762    let s:numcol = repeat(' ', s:margin - 1 - strlen(s:lnum)) . s:lnum . ' '
763  else
764    let s:numcol = ""
765  endif
766
767  let s:new = ""
768
769  if has('folding') && !s:settings.ignore_folding && foldclosed(s:lnum) > -1 && !s:settings.dynamic_folds
770    "
771    " This is the beginning of a folded block (with no dynamic folding)
772    "
773    let s:new = s:numcol . foldtextresult(s:lnum)
774    if !s:settings.no_pre
775      " HTML line wrapping is off--go ahead and fill to the margin
776      let s:new = s:new . repeat(s:foldfillchar, &columns - strlen(s:new))
777    endif
778
779    let s:new = s:HtmlFormat(s:new, "Folded", "")
780
781    " Skip to the end of the fold
782    let s:new_lnum = foldclosedend(s:lnum)
783
784    if !s:settings.no_progress
785      call s:pgb.incr(s:new_lnum - s:lnum)
786    endif
787
788    let s:lnum = s:new_lnum
789
790  else
791    "
792    " A line that is not folded, or doing dynamic folding.
793    "
794    let s:line = getline(s:lnum)
795    let s:len = strlen(s:line)
796
797    if s:settings.dynamic_folds
798      " First insert a closing for any open folds that end on this line
799      while !empty(s:foldstack) && get(s:foldstack,0).lastline == s:lnum-1
800	let s:new = s:new."</span></span>"
801	call remove(s:foldstack, 0)
802      endwhile
803
804      " Now insert an opening for any new folds that start on this line
805      let s:firstfold = 1
806      while !empty(s:allfolds) && get(s:allfolds,0).firstline == s:lnum
807	let s:foldId = s:foldId + 1
808	let s:new .= "<span id='"
809	let s:new .= (exists('g:html_diff_win_num') ? "win".g:html_diff_win_num : "")
810	let s:new .= "fold".s:foldId."' class='".s:allfolds[0].type."'>"
811
812
813	" Unless disabled, add a fold column for the opening line of a fold.
814	"
815	" Note that dynamic folds require using css so we just use css to take
816	" care of the leading spaces rather than using &nbsp; in the case of
817	" html_no_pre to make it easier
818	if !s:settings.no_foldcolumn
819	  " add fold column that can open the new fold
820	  if s:allfolds[0].level > 1 && s:firstfold
821	    let s:new = s:new . "<a class='toggle-open FoldColumn' href='javascript:toggleFold(\"fold".s:foldstack[0].id."\")'>"
822	    let s:new = s:new . repeat('|', s:allfolds[0].level - 1) . "</a>"
823	  endif
824	  let s:new = s:new . "<a class='toggle-open FoldColumn' href='javascript:toggleFold(\"fold".s:foldId."\")'>+</a>"
825	  let s:new = s:new . "<a class='toggle-open "
826	  " If this is not the last fold we're opening on this line, we need
827	  " to keep the filler spaces hidden if the fold is opened by mouse
828	  " hover. If it is the last fold to open in the line, we shouldn't hide
829	  " them, so don't apply the toggle-filler class.
830	  if get(s:allfolds, 1, {'firstline': 0}).firstline == s:lnum
831	    let s:new = s:new . "toggle-filler "
832	  endif
833	  let s:new = s:new . "FoldColumn' href='javascript:toggleFold(\"fold".s:foldId."\")'>"
834	  let s:new = s:new . repeat(" ", s:foldcolumn - s:allfolds[0].level) . "</a>"
835
836	  " add fold column that can close the new fold
837	  let s:new = s:new . "<a class='toggle-closed FoldColumn' href='javascript:toggleFold(\"fold".s:foldId."\")'>"
838	  if s:firstfold
839	    let s:new = s:new . repeat('|', s:allfolds[0].level - 1)
840	  endif
841	  let s:new = s:new . "-"
842	  " only add spaces if we aren't opening another fold on the same line
843	  if get(s:allfolds, 1, {'firstline': 0}).firstline != s:lnum
844	    let s:new = s:new . repeat(" ", s:foldcolumn - s:allfolds[0].level)
845	  endif
846	  let s:new = s:new . "</a>"
847	  let s:firstfold = 0
848	endif
849
850	" add fold text, moving the span ending to the next line so collapsing
851	" of folds works correctly
852	let s:new = s:new . substitute(s:HtmlFormat(s:numcol . foldtextresult(s:lnum), "Folded", ""), '</span>', s:HtmlEndline.'\n\0', '')
853	let s:new = s:new . "<span class='fulltext'>"
854
855	" open the fold now that we have the fold text to allow retrieval of
856	" fold text for subsequent folds
857	execute s:lnum."foldopen"
858	call insert(s:foldstack, remove(s:allfolds,0))
859	let s:foldstack[0].id = s:foldId
860      endwhile
861
862      " Unless disabled, add a fold column for other lines.
863      "
864      " Note that dynamic folds require using css so we just use css to take
865      " care of the leading spaces rather than using &nbsp; in the case of
866      " html_no_pre to make it easier
867      if !s:settings.no_foldcolumn
868	if empty(s:foldstack)
869	  " add the empty foldcolumn for unfolded lines if there is a fold
870	  " column at all
871	  if s:foldcolumn > 0
872	    let s:new = s:new . s:HtmlFormat(repeat(' ', s:foldcolumn), "FoldColumn", "")
873	  endif
874	else
875	  " add the fold column for folds not on the opening line
876	  if get(s:foldstack, 0).firstline < s:lnum
877	    let s:new = s:new . "<a class='FoldColumn' href='javascript:toggleFold(\"fold".s:foldstack[0].id."\")'>"
878	    let s:new = s:new . repeat('|', s:foldstack[0].level)
879	    let s:new = s:new . repeat(' ', s:foldcolumn - s:foldstack[0].level) . "</a>"
880	  endif
881	endif
882      endif
883    endif
884
885    " Now continue with the unfolded line text
886    if s:settings.number_lines
887      " TODO: why not use the real highlight name here?
888      let s:new = s:new . s:HtmlFormat(s:numcol, "lnr", "")
889    endif
890
891    " Get the diff attribute, if any.
892    let s:diffattr = diff_hlID(s:lnum, 1)
893
894    " initialize conceal info to act like not concealed, just in case
895    let s:concealinfo = [0, '']
896
897    " Loop over each character in the line
898    let s:col = 1
899
900    " most of the time we won't use the diff_id, initialize to zero
901    let s:diff_id = 0
902    let s:diff_id_name = ""
903
904    while s:col <= s:len || (s:col == 1 && s:diffattr)
905      let s:startcol = s:col " The start column for processing text
906      if !s:settings.ignore_conceal && has('conceal')
907	let s:concealinfo = synconcealed(s:lnum, s:col)
908      endif
909      if !s:settings.ignore_conceal && s:concealinfo[0]
910	let s:col = s:col + 1
911	" Speed loop (it's small - that's the trick)
912	" Go along till we find a change in the match sequence number (ending
913	" the specific concealed region) or until there are no more concealed
914	" characters.
915	while s:col <= s:len && s:concealinfo == synconcealed(s:lnum, s:col) | let s:col = s:col + 1 | endwhile
916      elseif s:diffattr
917	let s:diff_id = diff_hlID(s:lnum, s:col)
918	let s:id = synID(s:lnum, s:col, 1)
919	let s:col = s:col + 1
920	" Speed loop (it's small - that's the trick)
921	" Go along till we find a change in hlID
922	while s:col <= s:len && s:id == synID(s:lnum, s:col, 1)
923	      \   && s:diff_id == diff_hlID(s:lnum, s:col) |
924	      \     let s:col = s:col + 1 |
925	      \ endwhile
926	if s:len < &columns && !s:settings.no_pre
927	  " Add spaces at the end of the raw text line to extend the changed
928	  " line to the full width.
929	  let s:line = s:line . repeat(' ', &columns - virtcol([s:lnum, s:len]) - s:margin)
930	  let s:len = &columns
931	endif
932      else
933	let s:id = synID(s:lnum, s:col, 1)
934	let s:col = s:col + 1
935	" Speed loop (it's small - that's the trick)
936	" Go along till we find a change in synID
937	while s:col <= s:len && s:id == synID(s:lnum, s:col, 1) | let s:col = s:col + 1 | endwhile
938      endif
939
940      if s:settings.ignore_conceal || !s:concealinfo[0]
941	" Expand tabs if needed
942	let s:expandedtab = strpart(s:line, s:startcol - 1, s:col - s:startcol)
943	if s:settings.expand_tabs
944	  let s:offset = 0
945	  let s:idx = stridx(s:expandedtab, "\t")
946	  while s:idx >= 0
947	    if has("multi_byte_encoding")
948	      if s:startcol + s:idx == 1
949		let s:i = &ts
950	      else
951		if s:idx == 0
952		  let s:prevc = matchstr(s:line, '.\%' . (s:startcol + s:idx + s:offset) . 'c')
953		else
954		  let s:prevc = matchstr(s:expandedtab, '.\%' . (s:idx + 1) . 'c')
955		endif
956		let s:vcol = virtcol([s:lnum, s:startcol + s:idx + s:offset - len(s:prevc)])
957		let s:i = &ts - (s:vcol % &ts)
958	      endif
959	      let s:offset -= s:i - 1
960	    else
961	      let s:i = &ts - ((s:idx + s:startcol - 1) % &ts)
962	    endif
963	    let s:expandedtab = substitute(s:expandedtab, '\t', repeat(' ', s:i), '')
964	    let s:idx = stridx(s:expandedtab, "\t")
965	  endwhile
966	end
967
968	" get the highlight group name to use
969	let s:id = synIDtrans(s:id)
970	let s:id_name = synIDattr(s:id, "name", s:whatterm)
971	if s:diff_id
972	  let s:diff_id_name = synIDattr(s:diff_id, "name", s:whatterm)
973	endif
974      else
975	" use Conceal highlighting for concealed text
976	let s:id_name = 'Conceal'
977	let s:expandedtab = s:concealinfo[1]
978      endif
979
980      " Output the text with the same synID, with class set to {s:id_name},
981      " unless it has been concealed completely.
982      if strlen(s:expandedtab) > 0
983	let s:new = s:new . s:HtmlFormat(s:expandedtab,  s:id_name, s:diff_id_name)
984      endif
985    endwhile
986  endif
987
988  call extend(s:lines, split(s:new.s:HtmlEndline, '\n', 1))
989  if !s:settings.no_progress && s:pgb.needs_redraw
990    redrawstatus
991    let s:pgb.needs_redraw = 0
992  endif
993  let s:lnum = s:lnum + 1
994
995  if !s:settings.no_progress
996    call s:pgb.incr()
997  endif
998endwhile
999
1000if s:settings.dynamic_folds
1001  " finish off any open folds
1002  while !empty(s:foldstack)
1003    let s:lines[-1].="</span></span>"
1004    call remove(s:foldstack, 0)
1005  endwhile
1006
1007  " add fold column to the style list if not already there
1008  let s:id = hlID('FoldColumn')
1009  if index(s:idlist, s:id) == -1
1010    call insert(s:idlist, s:id)
1011  endif
1012endif
1013
1014if s:settings.no_pre
1015  if !s:settings.use_css
1016    " Close off the font tag that encapsulates the whole <body>
1017    call extend(s:lines, ["</font>", "</body>", "</html>"])
1018  else
1019    call extend(s:lines, ["</body>", "</html>"])
1020  endif
1021else
1022  call extend(s:lines, ["</pre>", "</body>", "</html>"])
1023endif
1024
1025exe s:newwin . "wincmd w"
1026call setline(1, s:lines)
1027unlet s:lines
1028
1029" Now, when we finally know which, we define the colors and styles
1030if s:settings.use_css
1031  1;/<style type="text/+1
1032endif
1033
1034" Find out the background and foreground color.
1035let s:fgc = s:HtmlColor(synIDattr(hlID("Normal"), "fg#", s:whatterm))
1036let s:bgc = s:HtmlColor(synIDattr(hlID("Normal"), "bg#", s:whatterm))
1037if s:fgc == ""
1038  let s:fgc = ( &background == "dark" ? "#ffffff" : "#000000" )
1039endif
1040if s:bgc == ""
1041  let s:bgc = ( &background == "dark" ? "#000000" : "#ffffff" )
1042endif
1043
1044" Normal/global attributes
1045" For Netscape 4, set <body> attributes too, though, strictly speaking, it's
1046" incorrect.
1047if s:settings.use_css
1048  if s:settings.no_pre
1049    execute "normal! A\nbody { color: " . s:fgc . "; background-color: " . s:bgc . "; font-family: ". s:htmlfont ."; }\e"
1050  else
1051    execute "normal! A\npre { font-family: ". s:htmlfont ."; color: " . s:fgc . "; background-color: " . s:bgc . "; }\e"
1052    yank
1053    put
1054    execute "normal! ^cwbody\e"
1055  endif
1056else
1057  execute '%s:<body>:<body bgcolor="' . s:bgc . '" text="' . s:fgc . '">\r<font face="'. s:htmlfont .'">'
1058endif
1059
1060" Line numbering attributes
1061if s:settings.number_lines
1062  if s:settings.use_css
1063    execute "normal! A\n.lnr { " . s:CSS1(hlID("LineNr")) . "}\e"
1064  else
1065    execute '%s+^<span class="lnr">\([^<]*\)</span>+' . s:HtmlOpening(hlID("LineNr")) . '\1' . s:HtmlClosing(hlID("LineNr")) . '+g'
1066  endif
1067endif
1068
1069" Gather attributes for all other classes
1070if !s:settings.no_progress && !empty(s:idlist)
1071  let s:pgb = s:ProgressBar("Processing classes:", len(s:idlist),s:newwin)
1072endif
1073while !empty(s:idlist)
1074  let s:attr = ""
1075  let s:id = remove(s:idlist, 0)
1076  let s:attr = s:CSS1(s:id)
1077  let s:id_name = synIDattr(s:id, "name", s:whatterm)
1078
1079  " If the class has some attributes, export the style, otherwise DELETE all
1080  " its occurences to make the HTML shorter
1081  if s:attr != ""
1082    if s:settings.use_css
1083      execute "normal! A\n." . s:id_name . " { " . s:attr . "}"
1084    else
1085      " replace spans of just this class name with non-CSS style markup
1086      execute '%s+<span class="' . s:id_name . '">\([^<]*\)</span>+' . s:HtmlOpening(s:id) . '\1' . s:HtmlClosing(s:id) . '+ge'
1087      " Replace spans of this class name AND a diff class with non-CSS style
1088      " markup surrounding a span of just the diff class. The diff class will
1089      " be handled later because we know that information is at the end.
1090      execute '%s+<span class="' . s:id_name . ' \(Diff\%(Add\|Change\|Delete\|Text\)\)">\([^<]*\)</span>+' . s:HtmlOpening(s:id) . '<span class="\1">\2</span>' . s:HtmlClosing(s:id) . '+ge'
1091    endif
1092  else
1093    execute '%s+<span class="' . s:id_name . '">\([^<]*\)</span>+\1+ge'
1094    execute '%s+<span class="' . s:id_name . ' \(Diff\%(Add\|Change\|Delete\|Text\)\)">\([^<]*\)</span>+<span class="\1">\2</span>+ge'
1095    if s:settings.use_css
1096      1;/<\/style>/-2
1097    endif
1098  endif
1099
1100  if !s:settings.no_progress
1101    call s:pgb.incr()
1102    if s:pgb.needs_redraw
1103      redrawstatus
1104      let s:pgb.needs_redraw = 0
1105      " TODO: sleep here to show the progress bar, but only if total time spent
1106      " so far on this step is < 1 second? Too slow for batch runs like the test
1107      " suite to sleep all the time. Maybe there's no good reason to sleep at
1108      " all.
1109    endif
1110  endif
1111endwhile
1112
1113" Add hyperlinks
1114%s+\(https\=://\S\{-}\)\(\([.,;:}]\=\(\s\|$\)\)\|[\\"'<>]\|&gt;\|&lt;\|&quot;\)+<a href="\1">\1</a>\2+ge
1115
1116" The DTD
1117if s:settings.use_xhtml
1118  exe "normal! gg$a\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">"
1119elseif s:settings.use_css && !s:settings.no_pre
1120  exe "normal! gg0i<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n"
1121else
1122  exe "normal! gg0i<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"
1123endif
1124
1125if s:settings.use_xhtml
1126  exe "normal! gg/<html/e\na xmlns=\"http://www.w3.org/1999/xhtml\"\e"
1127endif
1128
1129" Cleanup
1130%s:\s\+$::e
1131
1132" Restore old settings (new window first)
1133let &l:foldenable = s:old_fen
1134let &l:foldmethod = s:old_fdm
1135let &report = s:old_report
1136let &title = s:old_title
1137let &icon = s:old_icon
1138let &paste = s:old_paste
1139let &magic = s:old_magic
1140let @/ = s:old_search
1141let &more = s:old_more
1142
1143" switch to original window to restore those settings
1144exe s:orgwin . "wincmd w"
1145
1146if !s:settings.expand_tabs
1147  let &l:isprint = s:old_isprint
1148endif
1149let &l:stl = s:origwin_stl
1150let &l:et = s:old_et
1151let &l:scrollbind = s:old_bind
1152
1153" and back to the new window again to end there
1154exe s:newwin . "wincmd w"
1155
1156let &l:stl = s:newwin_stl
1157exec 'resize' s:old_winheight
1158let &l:winfixheight = s:old_winfixheight
1159
1160let &ls=s:ls
1161
1162" Save a little bit of memory (worth doing?)
1163unlet s:htmlfont
1164unlet s:old_et s:old_paste s:old_icon s:old_report s:old_title s:old_search
1165unlet s:old_magic s:old_more s:old_fdm s:old_fen s:old_winheight
1166unlet! s:old_isprint
1167unlet s:whatterm s:idlist s:lnum s:end s:margin s:fgc s:bgc s:old_winfixheight
1168unlet! s:col s:id s:attr s:len s:line s:new s:expandedtab s:concealinfo
1169unlet! s:orgwin s:newwin s:orgbufnr s:idx s:i s:offset s:ls s:origwin_stl
1170unlet! s:newwin_stl s:current_syntax
1171if !v:profiling
1172  delfunc s:HtmlColor
1173  delfunc s:HtmlFormat
1174  delfunc s:CSS1
1175  if !s:settings.use_css
1176    delfunc s:HtmlOpening
1177    delfunc s:HtmlClosing
1178  endif
1179  if s:settings.dynamic_folds
1180    delfunc s:FoldCompare
1181  endif
1182
1183  if !s:settings.no_progress
1184    delfunc s:ProgressBar
1185    delfunc s:progressbar.paint
1186    delfunc s:progressbar.incr
1187    unlet s:pgb s:progressbar
1188  endif
1189endif
1190
1191unlet! s:new_lnum s:diffattr s:difffillchar s:foldfillchar s:HtmlSpace
1192unlet! s:LeadingSpace s:HtmlEndline s:firstfold s:foldcolumn
1193unlet s:foldstack s:allfolds s:foldId s:numcol s:settings
1194
1195let &cpo = s:cpo_sav
1196unlet! s:cpo_sav
1197
1198" Make sure any patches will probably use consistent indent
1199"   vim: ts=8 sw=2 sts=2 noet
1200