summaryrefslogtreecommitdiffstats
path: root/runtime/syntax/2html.vim
diff options
context:
space:
mode:
Diffstat (limited to 'runtime/syntax/2html.vim')
-rw-r--r--runtime/syntax/2html.vim1995
1 files changed, 1995 insertions, 0 deletions
diff --git a/runtime/syntax/2html.vim b/runtime/syntax/2html.vim
new file mode 100644
index 0000000..69780cf
--- /dev/null
+++ b/runtime/syntax/2html.vim
@@ -0,0 +1,1995 @@
+" Vim syntax support file
+" Maintainer: Ben Fritz <fritzophrenic@gmail.com>
+" Last Change: 2023 Jan 01
+"
+" Additional contributors:
+"
+" Original by Bram Moolenaar <Bram@vim.org>
+" Modified by David Ne\v{c}as (Yeti) <yeti@physics.muni.cz>
+" XHTML support by Panagiotis Issaris <takis@lumumba.luc.ac.be>
+" Made w3 compliant by Edd Barrett <vext01@gmail.com>
+" Added html_font. Edd Barrett <vext01@gmail.com>
+" Progress bar based off code from "progressbar widget" plugin by
+" Andreas Politz, heavily modified:
+" http://www.vim.org/scripts/script.php?script_id=2006
+"
+" See Mercurial change logs for more!
+
+" Transform a file into HTML, using the current syntax highlighting.
+
+" this file uses line continuations
+let s:cpo_sav = &cpo
+let s:ls = &ls
+let s:ei_sav = &eventignore
+set cpo&vim
+
+" HTML filetype can take a while to load/highlight if the destination file
+" already exists.
+set eventignore+=FileType
+
+let s:end=line('$')
+
+" Font
+if exists("g:html_font")
+ if type(g:html_font) == type([])
+ let s:htmlfont = "'". join(g:html_font,"','") . "', monospace"
+ else
+ let s:htmlfont = "'". g:html_font . "', monospace"
+ endif
+else
+ let s:htmlfont = "monospace"
+endif
+
+let s:settings = tohtml#GetUserSettings()
+
+if s:settings.use_xhtml
+ let s:html5 = 0
+elseif s:settings.use_css && !s:settings.no_pre
+ let s:html5 = 1
+else
+ let s:html5 = 0
+endif
+
+if !exists('s:FOLDED_ID')
+ let s:FOLDED_ID = hlID("Folded") | lockvar s:FOLDED_ID
+ let s:FOLD_C_ID = hlID("FoldColumn") | lockvar s:FOLD_C_ID
+ let s:LINENR_ID = hlID('LineNr') | lockvar s:LINENR_ID
+ let s:DIFF_D_ID = hlID("DiffDelete") | lockvar s:DIFF_D_ID
+ let s:DIFF_A_ID = hlID("DiffAdd") | lockvar s:DIFF_A_ID
+ let s:DIFF_C_ID = hlID("DiffChange") | lockvar s:DIFF_C_ID
+ let s:DIFF_T_ID = hlID("DiffText") | lockvar s:DIFF_T_ID
+ let s:CONCEAL_ID = hlID('Conceal') | lockvar s:CONCEAL_ID
+endif
+
+" Whitespace
+if s:settings.pre_wrap
+ let s:whitespace = "white-space: pre-wrap; "
+else
+ let s:whitespace = ""
+endif
+
+if !empty(s:settings.prevent_copy)
+ if s:settings.no_invalid
+ " User has decided they don't want invalid markup. Still works in
+ " OpenOffice, and for text editors, but when pasting into Microsoft Word the
+ " input elements get pasted too and they cannot be deleted (at least not
+ " easily).
+ let s:unselInputType = ""
+ else
+ " Prevent from copy-pasting the input elements into Microsoft Word where
+ " they cannot be deleted easily by deliberately inserting invalid markup.
+ let s:unselInputType = " type='invalid_input_type'"
+ endif
+endif
+
+" When gui colors are not supported, we can only guess the colors.
+" TODO - is this true anymore? Is there a way to ask the terminal what colors
+" each number means or read them from some file?
+if &termguicolors || has("gui_running")
+ let s:whatterm = "gui"
+else
+ let s:whatterm = "cterm"
+ if &t_Co == 8
+ let s:cterm_color = {
+ \ 0: "#808080", 1: "#ff6060", 2: "#00ff00", 3: "#ffff00",
+ \ 4: "#8080ff", 5: "#ff40ff", 6: "#00ffff", 7: "#ffffff"
+ \ }
+ else
+ 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"
+ \ }
+
+ " Colors for 88 and 256 come from xterm.
+ if &t_Co == 88
+ 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"
+ \ })
+ 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"
+ \ })
+ elseif &t_Co == 256
+ 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"
+ \ })
+ 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"
+ \ })
+ 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"
+ \ })
+ 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"
+ \ })
+ 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"
+ \ })
+ endif
+ endif
+endif
+
+" Return good color specification: in GUI no transformation is done, in
+" terminal return RGB values of known colors and empty string for unknown
+if s:whatterm == "gui"
+ function! s:HtmlColor(color)
+ return a:color
+ endfun
+else
+ function! s:HtmlColor(color)
+ if has_key(s:cterm_color, a:color)
+ return s:cterm_color[a:color]
+ else
+ return ""
+ endif
+ endfun
+endif
+
+" Find out the background and foreground color for use later
+let s:fgc = s:HtmlColor(synIDattr(hlID("Normal"), "fg#", s:whatterm))
+let s:bgc = s:HtmlColor(synIDattr(hlID("Normal"), "bg#", s:whatterm))
+if s:fgc == ""
+ let s:fgc = ( &background == "dark" ? "#ffffff" : "#000000" )
+endif
+if s:bgc == ""
+ let s:bgc = ( &background == "dark" ? "#000000" : "#ffffff" )
+endif
+
+if !s:settings.use_css
+ " Return opening HTML tag for given highlight id
+ function! s:HtmlOpening(id, extra_attrs)
+ let a = ""
+ if synIDattr(a:id, "inverse")
+ " For inverse, we always must set both colors (and exchange them)
+ let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
+ let a = a . '<span '.a:extra_attrs.'style="background-color: ' . ( x != "" ? x : s:fgc ) . '">'
+ let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
+ let a = a . '<font color="' . ( x != "" ? x : s:bgc ) . '">'
+ else
+ let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
+ if x != ""
+ let a = a . '<span '.a:extra_attrs.'style="background-color: ' . x . '">'
+ elseif !empty(a:extra_attrs)
+ let a = a . '<span '.a:extra_attrs.'>'
+ endif
+ let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
+ if x != "" | let a = a . '<font color="' . x . '">' | endif
+ endif
+ if synIDattr(a:id, "bold") | let a = a . "<b>" | endif
+ if synIDattr(a:id, "italic") | let a = a . "<i>" | endif
+ if synIDattr(a:id, "underline") | let a = a . "<u>" | endif
+ return a
+ endfun
+
+ " Return closing HTML tag for given highlight id
+ function! s:HtmlClosing(id, has_extra_attrs)
+ let a = ""
+ if synIDattr(a:id, "underline") | let a = a . "</u>" | endif
+ if synIDattr(a:id, "italic") | let a = a . "</i>" | endif
+ if synIDattr(a:id, "bold") | let a = a . "</b>" | endif
+ if synIDattr(a:id, "inverse")
+ let a = a . '</font></span>'
+ else
+ let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
+ if x != "" | let a = a . '</font>' | endif
+ let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
+ if x != "" || a:has_extra_attrs | let a = a . '</span>' | endif
+ endif
+ return a
+ endfun
+endif
+
+" Use a different function for formatting based on user options. This way we
+" can avoid a lot of logic during the actual execution.
+"
+" Build the function line by line containing only what is needed for the options
+" in use for maximum code sharing with minimal branch logic for greater speed.
+"
+" Note, 'exec' commands do not recognize line continuations, so must concatenate
+" lines rather than continue them.
+if s:settings.use_css
+ " save CSS to a list of rules to add to the output at the end of processing
+
+ " first, get the style names we need
+ let wrapperfunc_lines = [
+ \ 'function! s:BuildStyleWrapper(style_id, diff_style_id, extra_attrs, text, make_unselectable, unformatted)',
+ \ '',
+ \ ' let l:style_name = synIDattr(a:style_id, "name", s:whatterm)'
+ \ ]
+ if &diff
+ let wrapperfunc_lines += [
+ \ ' let l:diff_style_name = synIDattr(a:diff_style_id, "name", s:whatterm)']
+
+ " Add normal groups and diff groups to separate lists so we can order them to
+ " allow diff highlight to override normal highlight
+
+ " if primary style IS a diff style, grab it from the diff cache instead
+ " (always succeeds because we pre-populate it)
+ let wrapperfunc_lines += [
+ \ '',
+ \ ' if a:style_id == s:DIFF_D_ID || a:style_id == s:DIFF_A_ID ||'.
+ \ ' a:style_id == s:DIFF_C_ID || a:style_id == s:DIFF_T_ID',
+ \ ' let l:saved_style = get(s:diffstylelist,a:style_id)',
+ \ ' else'
+ \ ]
+ endif
+
+ " get primary style info from cache or build it on the fly if not found
+ let wrapperfunc_lines += [
+ \ ' let l:saved_style = get(s:stylelist,a:style_id)',
+ \ ' if type(l:saved_style) == type(0)',
+ \ ' unlet l:saved_style',
+ \ ' let l:saved_style = s:CSS1(a:style_id)',
+ \ ' if l:saved_style != ""',
+ \ ' let l:saved_style = "." . l:style_name . " { " . l:saved_style . "}"',
+ \ ' endif',
+ \ ' let s:stylelist[a:style_id]= l:saved_style',
+ \ ' endif'
+ \ ]
+ if &diff
+ let wrapperfunc_lines += [ ' endif' ]
+ endif
+
+ " Build the wrapper tags around the text. It turns out that caching these
+ " gives pretty much zero performance gain and adds a lot of logic.
+
+ let wrapperfunc_lines += [
+ \ '',
+ \ ' if l:saved_style == "" && empty(a:extra_attrs)'
+ \ ]
+ if &diff
+ let wrapperfunc_lines += [
+ \ ' if a:diff_style_id <= 0'
+ \ ]
+ endif
+ " no surroundings if neither primary nor diff style has any info
+ let wrapperfunc_lines += [
+ \ ' return a:text'
+ \ ]
+ if &diff
+ " no primary style, but diff style
+ let wrapperfunc_lines += [
+ \ ' else',
+ \ ' return "<span class=\"" .l:diff_style_name . "\">".a:text."</span>"',
+ \ ' endif'
+ \ ]
+ endif
+ " open tag for non-empty primary style
+ let wrapperfunc_lines += [
+ \ ' else']
+ " non-empty primary style. handle either empty or non-empty diff style.
+ "
+ " separate the two classes by a space to apply them both if there is a diff
+ " style name, unless the primary style is empty, then just use the diff style
+ " name
+ let diffstyle =
+ \ (&diff ? '(a:diff_style_id <= 0 ? "" : " ". l:diff_style_name) .'
+ \ : "")
+ if s:settings.prevent_copy == ""
+ let wrapperfunc_lines += [
+ \ ' return "<span ".a:extra_attrs."class=\"" . l:style_name .'.diffstyle.'"\">".a:text."</span>"'
+ \ ]
+ else
+
+ " New method: use generated content in the CSS. The only thing needed here
+ " is a span with no content, with an attribute holding the desired text.
+ "
+ " Old method: use an <input> element when text is unsectable. This is still
+ " used in conditional comments for Internet Explorer, where the new method
+ " doesn't work.
+ "
+ " Wrap the <input> in a <span> to allow fixing the stupid bug in some fonts
+ " which cause browsers to display a 1px gap between lines when these
+ " <input>s have a background color (maybe not really a bug, this isn't
+ " well-defined)
+ "
+ " use strwidth, because we care only about how many character boxes are
+ " needed to size the input, we don't care how many characters (including
+ " separately counted composing chars, from strchars()) or bytes (from
+ " len())the string contains. strdisplaywidth() is not needed because none of
+ " the unselectable groups can contain tab characters (fold column, fold
+ " text, line number).
+ "
+ " Note, if maxlength property needs to be added in the future, it will need
+ " to use strchars(), because HTML specifies that the maxlength parameter
+ " uses the number of unique codepoints for its limit.
+ let wrapperfunc_lines += [
+ \ ' if a:make_unselectable',
+ \ ' return "<span ".a:extra_attrs."class=\"" . l:style_name .'.diffstyle.'"\"'
+ \ ]
+ if s:settings.use_input_for_pc !=# 'all'
+ let wrapperfunc_lines[-1] .= ' " . "data-" . l:style_name . "-content=\"".a:text."\"'
+ endif
+ let wrapperfunc_lines[-1] .= '>'
+ if s:settings.use_input_for_pc !=# 'none'
+ let wrapperfunc_lines[-1] .=
+ \ '<input'.s:unselInputType.' class=\"" . l:style_name .'.diffstyle.'"\"'.
+ \ ' value=\"".substitute(a:unformatted,''\s\+$'',"","")."\"'.
+ \ ' onselect=''this.blur(); return false;'''.
+ \ ' onmousedown=''this.blur(); return false;'''.
+ \ ' onclick=''this.blur(); return false;'''.
+ \ ' readonly=''readonly'''.
+ \ ' size=\"".strwidth(a:unformatted)."\"'.
+ \ (s:settings.use_xhtml ? '/' : '').'>'
+ endif
+ let wrapperfunc_lines[-1] .= '</span>"'
+ let wrapperfunc_lines += [
+ \ ' else',
+ \ ' return "<span ".a:extra_attrs."class=\"" . l:style_name .'. diffstyle .'"\">".a:text."</span>"'
+ \ ]
+ endif
+ let wrapperfunc_lines += [
+ \ ' endif',
+ \ 'endfun'
+ \ ]
+else
+ " Non-CSS method just needs the wrapper.
+ "
+ " Functions used to get opening/closing automatically return null strings if
+ " no styles exist.
+ if &diff
+ let wrapperfunc_lines = [
+ \ 'function! s:BuildStyleWrapper(style_id, diff_style_id, extra_attrs, text, unusedarg, unusedarg2)',
+ \ ' return s:HtmlOpening(a:style_id, a:extra_attrs).(a:diff_style_id <= 0 ? "" :'.
+ \ 's:HtmlOpening(a:diff_style_id, "")).a:text.'.
+ \ '(a:diff_style_id <= 0 ? "" : s:HtmlClosing(a:diff_style_id, 0)).s:HtmlClosing(a:style_id, !empty(a:extra_attrs))',
+ \ 'endfun'
+ \ ]
+ else
+ let wrapperfunc_lines = [
+ \ 'function! s:BuildStyleWrapper(style_id, diff_style_id, extra_attrs, text, unusedarg, unusedarg2)',
+ \ ' return s:HtmlOpening(a:style_id, a:extra_attrs).a:text.s:HtmlClosing(a:style_id, !empty(a:extra_attrs))',
+ \ 'endfun'
+ \ ]
+ endif
+endif
+
+" create the function we built line by line above
+exec join(wrapperfunc_lines, "\n")
+
+let s:diff_mode = &diff
+
+" Return HTML valid characters enclosed in a span of class style_name with
+" unprintable characters expanded and double spaces replaced as necessary.
+"
+" TODO: eliminate unneeded logic like done for BuildStyleWrapper
+function! s:HtmlFormat(text, style_id, diff_style_id, extra_attrs, make_unselectable)
+ " Replace unprintable characters
+ let unformatted = strtrans(a:text)
+
+ let formatted = unformatted
+
+ " Replace the reserved html characters
+ let formatted = substitute(formatted, '&', '\&amp;', 'g')
+ let formatted = substitute(formatted, '<', '\&lt;', 'g')
+ let formatted = substitute(formatted, '>', '\&gt;', 'g')
+ let formatted = substitute(formatted, '"', '\&quot;', 'g')
+ " &apos; is not valid in HTML but it is in XHTML, so just use the numeric
+ " reference for it instead. Needed because it could appear in quotes
+ " especially if unselectable regions is turned on.
+ let formatted = substitute(formatted, '"', '\&#0039;', 'g')
+
+ " Replace a "form feed" character with HTML to do a page break
+ " TODO: need to prevent this in unselectable areas? Probably it should never
+ " BE in an unselectable area...
+ let formatted = substitute(formatted, "\x0c", '<hr class="PAGE-BREAK">', 'g')
+
+ " Replace double spaces, leading spaces, and trailing spaces if needed
+ if ' ' != s:HtmlSpace
+ let formatted = substitute(formatted, ' ', s:HtmlSpace . s:HtmlSpace, 'g')
+ let formatted = substitute(formatted, '^ ', s:HtmlSpace, 'g')
+ let formatted = substitute(formatted, ' \+$', s:HtmlSpace, 'g')
+ endif
+
+ " Enclose in the correct format
+ return s:BuildStyleWrapper(a:style_id, a:diff_style_id, a:extra_attrs, formatted, a:make_unselectable, unformatted)
+endfun
+
+" set up functions to call HtmlFormat in certain ways based on whether the
+" element is supposed to be unselectable or not
+if s:settings.prevent_copy =~# 'n'
+ if s:settings.number_lines
+ if s:settings.line_ids
+ function! s:HtmlFormat_n(text, style_id, diff_style_id, lnr)
+ if a:lnr > 0
+ return s:HtmlFormat(a:text, a:style_id, a:diff_style_id, 'id="'.(exists('g:html_diff_win_num') ? 'W'.g:html_diff_win_num : "").'L'.a:lnr.s:settings.id_suffix.'" ', 1)
+ else
+ return s:HtmlFormat(a:text, a:style_id, a:diff_style_id, "", 1)
+ endif
+ endfun
+ else
+ function! s:HtmlFormat_n(text, style_id, diff_style_id, lnr)
+ return s:HtmlFormat(a:text, a:style_id, a:diff_style_id, "", 1)
+ endfun
+ endif
+ elseif s:settings.line_ids
+ " if lines are not being numbered the only reason this function gets called
+ " is to put the line IDs on each line; "text" will be empty but lnr will
+ " always be non-zero, however we don't want to use the <input> because that
+ " won't work as nice for empty text
+ function! s:HtmlFormat_n(text, style_id, diff_style_id, lnr)
+ return s:HtmlFormat(a:text, a:style_id, a:diff_style_id, 'id="'.(exists('g:html_diff_win_num') ? 'W'.g:html_diff_win_num : "").'L'.a:lnr.s:settings.id_suffix.'" ', 0)
+ endfun
+ endif
+else
+ if s:settings.line_ids
+ function! s:HtmlFormat_n(text, style_id, diff_style_id, lnr)
+ if a:lnr > 0
+ return s:HtmlFormat(a:text, a:style_id, a:diff_style_id, 'id="'.(exists('g:html_diff_win_num') ? 'W'.g:html_diff_win_num : "").'L'.a:lnr.s:settings.id_suffix.'" ', 0)
+ else
+ return s:HtmlFormat(a:text, a:style_id, a:diff_style_id, "", 0)
+ endif
+ endfun
+ else
+ function! s:HtmlFormat_n(text, style_id, diff_style_id, lnr)
+ return s:HtmlFormat(a:text, a:style_id, a:diff_style_id, "", 0)
+ endfun
+ endif
+endif
+if s:settings.prevent_copy =~# 'd'
+ function! s:HtmlFormat_d(text, style_id, diff_style_id)
+ return s:HtmlFormat(a:text, a:style_id, a:diff_style_id, "", 1)
+ endfun
+else
+ function! s:HtmlFormat_d(text, style_id, diff_style_id)
+ return s:HtmlFormat(a:text, a:style_id, a:diff_style_id, "", 0)
+ endfun
+endif
+if s:settings.prevent_copy =~# 'f'
+ if s:settings.use_input_for_pc ==# 'none'
+ " Simply space-pad to the desired width inside the generated content (note
+ " that the FoldColumn definition includes a whitespace:pre rule)
+ function! s:FoldColumn_build(char, len, numfill, char2, class, click)
+ return "<a href='#' class='".a:class."' onclick='".a:click."' data-FoldColumn-content='".
+ \ repeat(a:char, a:len).a:char2.repeat(' ', a:numfill).
+ \ "'></a>"
+ endfun
+ function! s:FoldColumn_fill()
+ return s:HtmlFormat(repeat(' ', s:foldcolumn), s:FOLD_C_ID, 0, "", 1)
+ endfun
+ else
+ " Note the <input> elements for fill spaces will have a single space for
+ " content, to allow active cursor CSS selection to work.
+ "
+ " Wrap the whole thing in a span for the 1px padding workaround for gaps.
+ "
+ " Build the function line by line containing only what is needed for the
+ " options in use for maximum code sharing with minimal branch logic for
+ " greater speed.
+ "
+ " Note, 'exec' commands do not recognize line continuations, so must
+ " concatenate lines rather than continue them.
+ let build_fun_lines = [
+ \ 'function! s:FoldColumn_build(char, len, numfill, char2, class, click)',
+ \ ' let l:input_open = "<input readonly=''readonly''".s:unselInputType.'.
+ \ ' " onselect=''this.blur(); return false;''".'.
+ \ ' " onmousedown=''this.blur(); ".a:click." return false;''".'.
+ \ ' " onclick=''return false;'' size=''".'.
+ \ ' string(a:len + (empty(a:char2) ? 0 : 1) + a:numfill) .'.
+ \ ' "'' "',
+ \ ' let l:common_attrs = "class=''FoldColumn'' value=''"',
+ \ ' let l:input_close = (s:settings.use_xhtml ? "'' />" : "''>")'
+ \ ]
+ if s:settings.use_input_for_pc ==# 'fallback'
+ let build_fun_lines += [
+ \ ' let l:gen_content_link ='.
+ \ ' "<a href=''#'' class=''FoldColumn'' onclick=''".a:click."'' data-FoldColumn-content=''".'.
+ \ ' repeat(a:char, a:len).a:char2.repeat('' '', a:numfill).'.
+ \ ' "''></a>"'
+ \ ]
+ endif
+ let build_fun_lines += [
+ \ ' return "<span class=''".a:class."''>".'.
+ \ ' l:input_open.l:common_attrs.repeat(a:char, a:len).(a:char2).'.
+ \ ' l:input_close.'.
+ \ (s:settings.use_input_for_pc ==# 'fallback' ? 'l:gen_content_link.' : "").
+ \ ' "</span>"',
+ \ 'endfun'
+ \ ]
+ " create the function we built line by line above
+ exec join(build_fun_lines, "\n")
+
+ function! s:FoldColumn_fill()
+ return s:FoldColumn_build(' ', s:foldcolumn, 0, '', 'FoldColumn', '')
+ endfun
+ endif
+else
+ " For normal fold columns, simply space-pad to the desired width (note that
+ " the FoldColumn definition includes a whitespace:pre rule)
+ function! s:FoldColumn_build(char, len, numfill, char2, class, click)
+ return "<a href='#' class='".a:class."' onclick='".a:click."'>".
+ \ repeat(a:char, a:len).a:char2.repeat(' ', a:numfill).
+ \ "</a>"
+ endfun
+ function! s:FoldColumn_fill()
+ return s:HtmlFormat(repeat(' ', s:foldcolumn), s:FOLD_C_ID, 0, "", 0)
+ endfun
+endif
+if s:settings.prevent_copy =~# 't'
+ " put an extra empty span at the end for dynamic folds, so the linebreak can
+ " be surrounded. Otherwise do it as normal.
+ "
+ " TODO: isn't there a better way to do this, than placing it here and using a
+ " substitute later?
+ if s:settings.dynamic_folds
+ function! s:HtmlFormat_t(text, style_id, diff_style_id)
+ return s:HtmlFormat(a:text, a:style_id, a:diff_style_id, "", 1) .
+ \ s:HtmlFormat("", a:style_id, 0, "", 0)
+ endfun
+ else
+ function! s:HtmlFormat_t(text, style_id, diff_style_id)
+ return s:HtmlFormat(a:text, a:style_id, a:diff_style_id, "", 1)
+ endfun
+ endif
+else
+ function! s:HtmlFormat_t(text, style_id, diff_style_id)
+ return s:HtmlFormat(a:text, a:style_id, a:diff_style_id, "", 0)
+ endfun
+endif
+
+" Return CSS style describing given highlight id (can be empty)
+function! s:CSS1(id)
+ let a = ""
+ if synIDattr(a:id, "inverse")
+ " For inverse, we always must set both colors (and exchange them)
+ let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
+ let a = a . "color: " . ( x != "" ? x : s:bgc ) . "; "
+ let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
+ let a = a . "background-color: " . ( x != "" ? x : s:fgc ) . "; "
+ else
+ let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
+ if x != "" | let a = a . "color: " . x . "; " | endif
+ let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
+ if x != ""
+ let a = a . "background-color: " . x . "; "
+ " stupid hack because almost every browser seems to have at least one font
+ " which shows 1px gaps between lines which have background
+ let a = a . "padding-bottom: 1px; "
+ elseif (a:id == s:FOLDED_ID || a:id == s:LINENR_ID || a:id == s:FOLD_C_ID) && !empty(s:settings.prevent_copy)
+ " input elements default to a different color than the rest of the page
+ let a = a . "background-color: " . s:bgc . "; "
+ endif
+ endif
+ if synIDattr(a:id, "bold") | let a = a . "font-weight: bold; " | endif
+ if synIDattr(a:id, "italic") | let a = a . "font-style: italic; " | endif
+ if synIDattr(a:id, "underline") | let a = a . "text-decoration: underline; " | endif
+ return a
+endfun
+
+if s:settings.dynamic_folds
+ " compares two folds as stored in our list of folds
+ " A fold is "less" than another if it starts at an earlier line number,
+ " or ends at a later line number, ties broken by fold level
+ function! s:FoldCompare(f1, f2)
+ if a:f1.firstline != a:f2.firstline
+ " put it before if it starts earlier
+ return a:f1.firstline - a:f2.firstline
+ elseif a:f1.lastline != a:f2.lastline
+ " put it before if it ends later
+ return a:f2.lastline - a:f1.lastline
+ else
+ " if folds begin and end on the same lines, put lowest fold level first
+ return a:f1.level - a:f2.level
+ endif
+ endfunction
+
+endif
+
+
+" Set some options to make it work faster.
+" Don't report changes for :substitute, there will be many of them.
+" Don't change other windows; turn off scroll bind temporarily
+let s:old_title = &title
+let s:old_icon = &icon
+let s:old_et = &l:et
+let s:old_bind = &l:scrollbind
+let s:old_report = &report
+let s:old_search = @/
+let s:old_more = &more
+set notitle noicon
+setlocal et
+set nomore
+set report=1000000
+setlocal noscrollbind
+
+if exists(':ownsyntax') && exists('w:current_syntax')
+ let s:current_syntax = w:current_syntax
+elseif exists('b:current_syntax')
+ let s:current_syntax = b:current_syntax
+else
+ let s:current_syntax = 'none'
+endif
+
+if s:current_syntax == ''
+ let s:current_syntax = 'none'
+endif
+
+" If the user is sourcing this script directly then the plugin version isn't
+" known because the main plugin script didn't load. In the usual case where the
+" user still has the full Vim runtime installed, or has this full plugin
+" installed in a package or something, then we can extract the version from the
+" main plugin file at it's usual spot relative to this file. Otherwise the user
+" is assembling their runtime piecemeal and we have no idea what versions of
+" other files may be present so don't even try to make a guess or assume the
+" presence of other specific files with specific meaning.
+"
+" We don't want to actually source the main plugin file here because the user
+" may have a good reason not to (e.g. they define their own TOhtml command or
+" something).
+"
+" If this seems way too complicated and convoluted, it is. Probably I should
+" have put the version information in the autoload file from the start. But the
+" version has been in the global variable for so long that changing it could
+" break a lot of user scripts.
+if exists("g:loaded_2html_plugin")
+ let s:pluginversion = g:loaded_2html_plugin
+else
+ if !exists("g:unloaded_tohtml_plugin")
+ let s:main_plugin_path = expand("<sfile>:p:h:h")."/plugin/tohtml.vim"
+ if filereadable(s:main_plugin_path)
+ let s:lines = readfile(s:main_plugin_path, "", 20)
+ call filter(s:lines, 'v:val =~ "loaded_2html_plugin = "')
+ if empty(s:lines)
+ let g:unloaded_tohtml_plugin = "unknown"
+ else
+ let g:unloaded_tohtml_plugin = substitute(s:lines[0], '.*loaded_2html_plugin = \([''"]\)\(\%(\1\@!.\)\+\)\1', '\2', '')
+ endif
+ unlet s:lines
+ else
+ let g:unloaded_tohtml_plugin = "unknown"
+ endif
+ unlet s:main_plugin_path
+ endif
+ let s:pluginversion = g:unloaded_tohtml_plugin
+endif
+
+" Split window to create a buffer with the HTML file.
+let s:orgbufnr = winbufnr(0)
+let s:origwin_stl = &l:stl
+if expand("%") == ""
+ if exists('g:html_diff_win_num')
+ exec 'new Untitled_win'.g:html_diff_win_num.'.'.(s:settings.use_xhtml ? 'x' : '').'html'
+ else
+ exec 'new Untitled.'.(s:settings.use_xhtml ? 'x' : '').'html'
+ endif
+else
+ exec 'new %.'.(s:settings.use_xhtml ? 'x' : '').'html'
+endif
+
+" Resize the new window to very small in order to make it draw faster
+let s:old_winheight = winheight(0)
+let s:old_winfixheight = &l:winfixheight
+if s:old_winheight > 2
+ resize 1 " leave enough room to view one line at a time
+ norm! G
+ norm! zt
+endif
+setlocal winfixheight
+
+let s:newwin_stl = &l:stl
+
+" on the new window, set the least time-consuming fold method
+let s:old_fen = &foldenable
+setlocal foldmethod=manual
+setlocal nofoldenable
+
+let s:newwin = winnr()
+let s:orgwin = bufwinnr(s:orgbufnr)
+
+setlocal modifiable
+%d
+let s:old_paste = &paste
+set paste
+let s:old_magic = &magic
+set magic
+
+" set the fileencoding to match the charset we'll be using
+let &l:fileencoding=s:settings.vim_encoding
+
+" According to http://www.w3.org/TR/html4/charset.html#doc-char-set, the byte
+" order mark is highly recommend on the web when using multibyte encodings. But,
+" it is not a good idea to include it on UTF-8 files. Otherwise, let Vim
+" determine when it is actually inserted.
+if s:settings.vim_encoding == 'utf-8'
+ setlocal nobomb
+else
+ setlocal bomb
+endif
+
+let s:lines = []
+
+if s:settings.use_xhtml
+ if s:settings.encoding != ""
+ call add(s:lines, "<?xml version=\"1.0\" encoding=\"" . s:settings.encoding . "\"?>")
+ else
+ call add(s:lines, "<?xml version=\"1.0\"?>")
+ endif
+ let s:tag_close = ' />'
+else
+ let s:tag_close = '>'
+endif
+
+let s:HtmlSpace = ' '
+let s:LeadingSpace = ' '
+let s:HtmlEndline = ''
+if s:settings.no_pre
+ let s:HtmlEndline = '<br' . s:tag_close
+ let s:LeadingSpace = s:settings.use_xhtml ? '&#160;' : '&nbsp;'
+ let s:HtmlSpace = '\' . s:LeadingSpace
+endif
+
+" HTML header, with the title and generator ;-). Left free space for the CSS,
+" to be filled at the end.
+if !s:settings.no_doc
+ call extend(s:lines, [
+ \ "<html>",
+ \ "<head>"])
+ " include encoding as close to the top as possible, but only if not already
+ " contained in XML information (to avoid haggling over content type)
+ if s:settings.encoding != "" && !s:settings.use_xhtml
+ if s:html5
+ call add(s:lines, '<meta charset="' . s:settings.encoding . '"' . s:tag_close)
+ else
+ call add(s:lines, "<meta http-equiv=\"content-type\" content=\"text/html; charset=" . s:settings.encoding . '"' . s:tag_close)
+ endif
+ endif
+ call extend(s:lines, [
+ \ ("<title>".expand("%:p:~")."</title>"),
+ \ ("<meta name=\"Generator\" content=\"Vim/".v:version/100.".".v:version%100.'"'.s:tag_close),
+ \ ("<meta name=\"plugin-version\" content=\"".s:pluginversion.'"'.s:tag_close)
+ \ ])
+ call add(s:lines, '<meta name="syntax" content="'.s:current_syntax.'"'.s:tag_close)
+ call add(s:lines, '<meta name="settings" content="'.
+ \ join(filter(keys(s:settings),'s:settings[v:val]'),',').
+ \ ',prevent_copy='.s:settings.prevent_copy.
+ \ ',use_input_for_pc='.s:settings.use_input_for_pc.
+ \ '"'.s:tag_close)
+ call add(s:lines, '<meta name="colorscheme" content="'.
+ \ (exists('g:colors_name')
+ \ ? g:colors_name
+ \ : 'none'). '"'.s:tag_close)
+
+ if s:settings.use_css
+ call extend(s:lines, [
+ \ "<style" . (s:html5 ? "" : " type=\"text/css\"") . ">",
+ \ s:settings.use_xhtml ? "" : "<!--"])
+ let s:ieonly = []
+ if s:settings.dynamic_folds
+ if s:settings.hover_unfold
+ " if we are doing hover_unfold, use css 2 with css 1 fallback for IE6
+ call extend(s:lines, [
+ \ ".FoldColumn { text-decoration: none; white-space: pre; }",
+ \ "",
+ \ "body * { margin: 0; padding: 0; }", "",
+ \ ".open-fold > span.Folded { display: none; }",
+ \ ".open-fold > .fulltext { display: inline; }",
+ \ ".closed-fold > .fulltext { display: none; }",
+ \ ".closed-fold > span.Folded { display: inline; }",
+ \ "",
+ \ ".open-fold > .toggle-open { display: none; }",
+ \ ".open-fold > .toggle-closed { display: inline; }",
+ \ ".closed-fold > .toggle-open { display: inline; }",
+ \ ".closed-fold > .toggle-closed { display: none; }",
+ \ "", "",
+ \ '/* opening a fold while hovering won''t be supported by IE6 and other',
+ \ "similar browsers, but it should fail gracefully. */",
+ \ ".closed-fold:hover > .fulltext { display: inline; }",
+ \ ".closed-fold:hover > .toggle-filler { display: none; }",
+ \ ".closed-fold:hover > .Folded { display: none; }"])
+ " TODO: IE6 is REALLY old and I can't even test it anymore. Maybe we
+ " should remove this? Leave it in for now, it was working at one point,
+ " and doesn't affect any modern browsers. Even newer IE versions should
+ " support the above code and ignore the following.
+ let s:ieonly = [
+ \ "<!--[if lt IE 7]><style type=\"text/css\">",
+ \ ".open-fold .fulltext { display: inline; }",
+ \ ".open-fold span.Folded { display: none; }",
+ \ ".open-fold .toggle-open { display: none; }",
+ \ ".open-fold .toggle-closed { display: inline; }",
+ \ "",
+ \ ".closed-fold .fulltext { display: none; }",
+ \ ".closed-fold span.Folded { display: inline; }",
+ \ ".closed-fold .toggle-open { display: inline; }",
+ \ ".closed-fold .toggle-closed { display: none; }",
+ \ "</style>",
+ \ "<![endif]-->",
+ \]
+ else
+ " if we aren't doing hover_unfold, use CSS 1 only
+ call extend(s:lines, [
+ \ ".FoldColumn { text-decoration: none; white-space: pre; }",
+ \ ".open-fold .fulltext { display: inline; }",
+ \ ".open-fold span.Folded { display: none; }",
+ \ ".open-fold .toggle-open { display: none; }",
+ \ ".open-fold .toggle-closed { display: inline; }",
+ \ "",
+ \ ".closed-fold .fulltext { display: none; }",
+ \ ".closed-fold span.Folded { display: inline; }",
+ \ ".closed-fold .toggle-open { display: inline; }",
+ \ ".closed-fold .toggle-closed { display: none; }",
+ \])
+ endif
+ endif
+ " else we aren't doing any dynamic folding, no need for any special rules
+
+ call extend(s:lines, [
+ \ s:settings.use_xhtml ? "" : '-->',
+ \ "</style>",
+ \])
+ call extend(s:lines, s:ieonly)
+ unlet s:ieonly
+ endif
+
+ let s:uses_script = s:settings.dynamic_folds || s:settings.line_ids
+
+ " insert script tag if needed
+ if s:uses_script
+ call extend(s:lines, [
+ \ "",
+ \ "<script" . (s:html5 ? "" : " type='text/javascript'") . ">",
+ \ s:settings.use_xhtml ? '//<![CDATA[' : "<!--"])
+ endif
+
+ " insert javascript to toggle folds open and closed
+ if s:settings.dynamic_folds
+ call extend(s:lines, [
+ \ "",
+ \ "function toggleFold(objID)",
+ \ "{",
+ \ " var fold;",
+ \ " fold = document.getElementById(objID);",
+ \ " if (fold.className == 'closed-fold')",
+ \ " {",
+ \ " fold.className = 'open-fold';",
+ \ " }",
+ \ " else if (fold.className == 'open-fold')",
+ \ " {",
+ \ " fold.className = 'closed-fold';",
+ \ " }",
+ \ "}"
+ \ ])
+ endif
+
+ if s:settings.line_ids
+ " insert javascript to get IDs from line numbers, and to open a fold before
+ " jumping to any lines contained therein
+ call extend(s:lines, [
+ \ "",
+ \ "/* function to open any folds containing a jumped-to line before jumping to it */",
+ \ "function JumpToLine()",
+ \ "{",
+ \ " var lineNum;",
+ \ " lineNum = window.location.hash;",
+ \ " lineNum = lineNum.substr(1); /* strip off '#' */",
+ \ "",
+ \ " if (lineNum.indexOf('L') == -1) {",
+ \ " lineNum = 'L'+lineNum;",
+ \ " }",
+ \ " var lineElem = document.getElementById(lineNum);"
+ \ ])
+
+ if s:settings.dynamic_folds
+ call extend(s:lines, [
+ \ "",
+ \ " /* navigate upwards in the DOM tree to open all folds containing the line */",
+ \ " var node = lineElem;",
+ \ " while (node && node.id != 'vimCodeElement".s:settings.id_suffix."')",
+ \ " {",
+ \ " if (node.className == 'closed-fold')",
+ \ " {",
+ \ " node.className = 'open-fold';",
+ \ " }",
+ \ " node = node.parentNode;",
+ \ " }",
+ \ ])
+ endif
+ call extend(s:lines, [
+ \ " /* Always jump to new location even if the line was hidden inside a fold, or",
+ \ " * we corrected the raw number to a line ID.",
+ \ " */",
+ \ " if (lineElem) {",
+ \ " lineElem.scrollIntoView(true);",
+ \ " }",
+ \ " return true;",
+ \ "}",
+ \ "if ('onhashchange' in window) {",
+ \ " window.onhashchange = JumpToLine;",
+ \ "}"
+ \ ])
+ endif
+
+ " insert script closing tag if needed
+ if s:uses_script
+ call extend(s:lines, [
+ \ '',
+ \ s:settings.use_xhtml ? '//]]>' : '-->',
+ \ "</script>"
+ \ ])
+ endif
+
+ call extend(s:lines, ["</head>",
+ \ "<body".(s:settings.line_ids ? " onload='JumpToLine();'" : "").">"])
+endif
+
+if s:settings.no_pre
+ " if we're not using CSS we use a font tag which can't have a div inside
+ if s:settings.use_css
+ call extend(s:lines, ["<div id='vimCodeElement" .. s:settings.id_suffix .. "'>"])
+ endif
+else
+ call extend(s:lines, ["<pre id='vimCodeElement" .. s:settings.id_suffix .. "'>"])
+endif
+
+exe s:orgwin . "wincmd w"
+
+" caches of style data
+" initialize to include line numbers if using them
+if s:settings.number_lines
+ let s:stylelist = { s:LINENR_ID : ".LineNr { " . s:CSS1( s:LINENR_ID ) . "}" }
+else
+ let s:stylelist = {}
+endif
+let s:diffstylelist = {
+ \ s:DIFF_A_ID : ".DiffAdd { " . s:CSS1( s:DIFF_A_ID ) . "}",
+ \ s:DIFF_C_ID : ".DiffChange { " . s:CSS1( s:DIFF_C_ID ) . "}",
+ \ s:DIFF_D_ID : ".DiffDelete { " . s:CSS1( s:DIFF_D_ID ) . "}",
+ \ s:DIFF_T_ID : ".DiffText { " . s:CSS1( s:DIFF_T_ID ) . "}"
+ \ }
+
+" set up progress bar in the status line
+if !s:settings.no_progress
+ " ProgressBar Indicator
+ let s:progressbar={}
+
+ " Progressbar specific functions
+
+ func! s:SetProgbarColor()
+ if hlID("TOhtmlProgress") != 0
+ hi! link TOhtmlProgress_auto TOhtmlProgress
+ elseif hlID("TOhtmlProgress_auto")==0 ||
+ \ !exists("s:last_colors_name") || !exists("g:colors_name") ||
+ \ g:colors_name != s:last_colors_name
+ let s:last_colors_name = exists("g:colors_name") ? g:colors_name : "none"
+
+ let l:diffatr = synIDattr(hlID("DiffDelete"), "reverse", s:whatterm) ? "fg#" : "bg#"
+ let l:stlatr = synIDattr(hlID("StatusLine"), "reverse", s:whatterm) ? "fg#" : "bg#"
+
+ let l:progbar_color = synIDattr(hlID("DiffDelete"), l:diffatr, s:whatterm)
+ let l:stl_color = synIDattr(hlID("StatusLine"), l:stlatr, s:whatterm)
+
+ if "" == l:progbar_color
+ let l:progbar_color = synIDattr(hlID("DiffDelete"), "reverse", s:whatterm) ? s:fgc : s:bgc
+ endif
+ if "" == l:stl_color
+ let l:stl_color = synIDattr(hlID("StatusLine"), "reverse", s:whatterm) ? s:fgc : s:bgc
+ endif
+
+ if l:progbar_color == l:stl_color
+ if s:whatterm == 'cterm'
+ if l:progbar_color >= (&t_Co/2)
+ let l:progbar_color-=1
+ else
+ let l:progbar_color+=1
+ endif
+ else
+ let l:rgb = map(matchlist(l:progbar_color, '#\zs\x\x\ze\(\x\x\)\(\x\x\)')[:2], 'str2nr(v:val, 16)')
+ let l:avg = (l:rgb[0] + l:rgb[1] + l:rgb[2])/3
+ if l:avg >= 128
+ let l:avg_new = l:avg
+ while l:avg - l:avg_new < 0x15
+ let l:rgb = map(l:rgb, 'v:val * 3 / 4')
+ let l:avg_new = (l:rgb[0] + l:rgb[1] + l:rgb[2])/3
+ endwhile
+ else
+ let l:avg_new = l:avg
+ while l:avg_new - l:avg < 0x15
+ let l:rgb = map(l:rgb, 'min([max([v:val, 4]) * 5 / 4, 255])')
+ let l:avg_new = (l:rgb[0] + l:rgb[1] + l:rgb[2])/3
+ endwhile
+ endif
+ let l:progbar_color = printf("#%02x%02x%02x", l:rgb[0], l:rgb[1], l:rgb[2])
+ endif
+ echomsg "diff detected progbar color set to" l:progbar_color
+ endif
+ exe "hi TOhtmlProgress_auto" s:whatterm."bg=".l:progbar_color
+ endif
+ endfun
+
+ func! s:ProgressBar(title, max_value, winnr)
+ let pgb=copy(s:progressbar)
+ let pgb.title = a:title.' '
+ let pgb.max_value = a:max_value
+ let pgb.winnr = a:winnr
+ let pgb.cur_value = 0
+
+ let pgb.items = { 'title' : { 'color' : 'Statusline' },
+ \'bar' : { 'color' : 'Statusline' , 'fillcolor' : 'TOhtmlProgress_auto' , 'bg' : 'Statusline' } ,
+ \'counter' : { 'color' : 'Statusline' } }
+ let pgb.last_value = 0
+ let pgb.needs_redraw = 0
+ " Note that you must use len(split) instead of len() if you want to use
+ " unicode in title.
+ "
+ " Subtract 3 for spacing around the title.
+ " Subtract 4 for the percentage display.
+ " Subtract 2 for spacing before this.
+ " Subtract 2 more for the '|' on either side of the progress bar
+ let pgb.subtractedlen=len(split(pgb.title, '\zs'))+3+4+2+2
+ let pgb.max_len = 0
+ set laststatus=2
+ return pgb
+ endfun
+
+ " Function: progressbar.calculate_ticks() {{{1
+ func! s:progressbar.calculate_ticks(pb_len)
+ if a:pb_len<=0
+ let pb_len = 100
+ else
+ let pb_len = a:pb_len
+ endif
+ let self.progress_ticks = map(range(pb_len+1), "v:val * self.max_value / pb_len")
+ endfun
+
+ "Function: progressbar.paint()
+ func! s:progressbar.paint()
+ " Recalculate widths.
+ let max_len = winwidth(self.winnr)
+ let pb_len = 0
+ " always true on first call because of initial value of self.max_len
+ if max_len != self.max_len
+ let self.max_len = max_len
+
+ " Progressbar length
+ let pb_len = max_len - self.subtractedlen
+
+ call self.calculate_ticks(pb_len)
+
+ let self.needs_redraw = 1
+ let cur_value = 0
+ let self.pb_len = pb_len
+ else
+ " start searching at the last found index to make the search for the
+ " appropriate tick value normally take 0 or 1 comparisons
+ let cur_value = self.last_value
+ let pb_len = self.pb_len
+ endif
+
+ let cur_val_max = pb_len > 0 ? pb_len : 100
+
+ " find the current progress bar position based on precalculated thresholds
+ while cur_value < cur_val_max && self.cur_value > self.progress_ticks[cur_value]
+ let cur_value += 1
+ endwhile
+
+ " update progress bar
+ if self.last_value != cur_value || self.needs_redraw || self.cur_value == self.max_value
+ let self.needs_redraw = 1
+ let self.last_value = cur_value
+
+ let t_color = self.items.title.color
+ let b_fcolor = self.items.bar.fillcolor
+ let b_color = self.items.bar.color
+ let c_color = self.items.counter.color
+
+ let stl = "%#".t_color."#%-( ".self.title." %)".
+ \"%#".b_color."#".
+ \(pb_len>0 ?
+ \ ('|%#'.b_fcolor."#%-(".repeat(" ",cur_value)."%)".
+ \ '%#'.b_color."#".repeat(" ",pb_len-cur_value)."|"):
+ \ ('')).
+ \"%=%#".c_color."#%( ".printf("%3.d ",100*self.cur_value/self.max_value)."%% %)"
+ call setwinvar(self.winnr, '&stl', stl)
+ endif
+ endfun
+
+ func! s:progressbar.incr( ... )
+ let self.cur_value += (a:0 ? a:1 : 1)
+ " if we were making a general-purpose progress bar, we'd need to limit to a
+ " lower limit as well, but since we always increment with a positive value
+ " in this script, we only need limit the upper value
+ let self.cur_value = (self.cur_value > self.max_value ? self.max_value : self.cur_value)
+ call self.paint()
+ endfun
+ " }}}
+ if s:settings.dynamic_folds
+ " to process folds we make two passes through each line
+ let s:pgb = s:ProgressBar("Processing folds:", line('$')*2, s:orgwin)
+ endif
+
+ call s:SetProgbarColor()
+endif
+
+" First do some preprocessing for dynamic folding. Do this for the entire file
+" so we don't accidentally start within a closed fold or something.
+let s:allfolds = []
+
+if s:settings.dynamic_folds
+ let s:lnum = 1
+ let s:end = line('$')
+ " save the fold text and set it to the default so we can find fold levels
+ let s:foldtext_save = &foldtext
+ setlocal foldtext&
+
+ " we will set the foldcolumn in the html to the greater of the maximum fold
+ " level and the current foldcolumn setting
+ let s:foldcolumn = &foldcolumn
+
+ " get all info needed to describe currently closed folds
+ while s:lnum <= s:end
+ if foldclosed(s:lnum) == s:lnum
+ " default fold text has '+-' and then a number of dashes equal to fold
+ " level, so subtract 2 from index of first non-dash after the dashes
+ " in order to get the fold level of the current fold
+ let s:level = match(foldtextresult(s:lnum), '+-*\zs[^-]') - 2
+ " store fold info for later use
+ let s:newfold = {'firstline': s:lnum, 'lastline': foldclosedend(s:lnum), 'level': s:level,'type': "closed-fold"}
+ call add(s:allfolds, s:newfold)
+ " open the fold so we can find any contained folds
+ execute s:lnum."foldopen"
+ else
+ if !s:settings.no_progress
+ call s:pgb.incr()
+ if s:pgb.needs_redraw
+ redrawstatus
+ let s:pgb.needs_redraw = 0
+ endif
+ endif
+ let s:lnum = s:lnum + 1
+ endif
+ endwhile
+
+ " close all folds to get info for originally open folds
+ silent! %foldclose!
+ let s:lnum = 1
+
+ " the originally open folds will be all folds we encounter that aren't
+ " already in the list of closed folds
+ while s:lnum <= s:end
+ if foldclosed(s:lnum) == s:lnum
+ " default fold text has '+-' and then a number of dashes equal to fold
+ " level, so subtract 2 from index of first non-dash after the dashes
+ " in order to get the fold level of the current fold
+ let s:level = match(foldtextresult(s:lnum), '+-*\zs[^-]') - 2
+ let s:newfold = {'firstline': s:lnum, 'lastline': foldclosedend(s:lnum), 'level': s:level,'type': "closed-fold"}
+ " only add the fold if we don't already have it
+ if empty(s:allfolds) || index(s:allfolds, s:newfold) == -1
+ let s:newfold.type = "open-fold"
+ call add(s:allfolds, s:newfold)
+ endif
+ " open the fold so we can find any contained folds
+ execute s:lnum."foldopen"
+ else
+ if !s:settings.no_progress
+ call s:pgb.incr()
+ if s:pgb.needs_redraw
+ redrawstatus
+ let s:pgb.needs_redraw = 0
+ endif
+ endif
+ let s:lnum = s:lnum + 1
+ endif
+ endwhile
+
+ " sort the folds so that we only ever need to look at the first item in the
+ " list of folds
+ call sort(s:allfolds, "s:FoldCompare")
+
+ let &l:foldtext = s:foldtext_save
+ unlet s:foldtext_save
+
+ " close all folds again so we can get the fold text as we go
+ silent! %foldclose!
+
+ " Go through and remove folds we don't need to (or cannot) process in the
+ " current conversion range
+ "
+ " If a fold is removed which contains other folds, which are included, we need
+ " to adjust the level of the included folds as used by the conversion logic
+ " (avoiding special cases is good)
+ "
+ " Note any time we remove a fold, either all of the included folds are in it,
+ " or none of them, because we only remove a fold if neither its start nor its
+ " end are within the conversion range.
+ let leveladjust = 0
+ for afold in s:allfolds
+ let removed = 0
+ if exists("g:html_start_line") && exists("g:html_end_line")
+ if afold.firstline < g:html_start_line
+ if afold.lastline <= g:html_end_line && afold.lastline >= g:html_start_line
+ " if a fold starts before the range to convert but stops within the
+ " range, we need to include it. Make it start on the first converted
+ " line.
+ let afold.firstline = g:html_start_line
+ else
+ " if the fold lies outside the range or the start and stop enclose
+ " the entire range, don't bother parsing it
+ call remove(s:allfolds, index(s:allfolds, afold))
+ let removed = 1
+ if afold.lastline > g:html_end_line
+ let leveladjust += 1
+ endif
+ endif
+ elseif afold.firstline > g:html_end_line
+ " If the entire fold lies outside the range we need to remove it.
+ call remove(s:allfolds, index(s:allfolds, afold))
+ let removed = 1
+ endif
+ elseif exists("g:html_start_line")
+ if afold.firstline < g:html_start_line
+ " if there is no last line, but there is a first line, the end of the
+ " fold will always lie within the region of interest, so keep it
+ let afold.firstline = g:html_start_line
+ endif
+ elseif exists("g:html_end_line")
+ " if there is no first line we default to the first line in the buffer so
+ " the fold start will always be included if the fold itself is included.
+ " If however the entire fold lies outside the range we need to remove it.
+ if afold.firstline > g:html_end_line
+ call remove(s:allfolds, index(s:allfolds, afold))
+ let removed = 1
+ endif
+ endif
+ if !removed
+ let afold.level -= leveladjust
+ if afold.level+1 > s:foldcolumn
+ let s:foldcolumn = afold.level+1
+ endif
+ endif
+ endfor
+
+ " if we've removed folds containing the conversion range from processing,
+ " getting foldtext as we go won't know to open the removed folds, so the
+ " foldtext would be wrong; open them now.
+ "
+ " Note that only when a start and an end line is specified will a fold
+ " containing the current range ever be removed.
+ while leveladjust > 0
+ exe g:html_start_line."foldopen"
+ let leveladjust -= 1
+ endwhile
+endif
+
+" Now loop over all lines in the original text to convert to html.
+" Use html_start_line and html_end_line if they are set.
+if exists("g:html_start_line")
+ let s:lnum = html_start_line
+ if s:lnum < 1 || s:lnum > line("$")
+ let s:lnum = 1
+ endif
+else
+ let s:lnum = 1
+endif
+if exists("g:html_end_line")
+ let s:end = html_end_line
+ if s:end < s:lnum || s:end > line("$")
+ let s:end = line("$")
+ endif
+else
+ let s:end = line("$")
+endif
+
+" stack to keep track of all the folds containing the current line
+let s:foldstack = []
+
+if !s:settings.no_progress
+ let s:pgb = s:ProgressBar("Processing lines:", s:end - s:lnum + 1, s:orgwin)
+endif
+
+if s:settings.number_lines
+ let s:margin = strlen(s:end) + 1
+else
+ let s:margin = 0
+endif
+
+if has('folding') && !s:settings.ignore_folding
+ let s:foldfillchar = &fillchars[matchend(&fillchars, 'fold:')]
+ if s:foldfillchar == ''
+ let s:foldfillchar = '-'
+ endif
+endif
+let s:difffillchar = &fillchars[matchend(&fillchars, 'diff:')]
+if s:difffillchar == ''
+ let s:difffillchar = '-'
+endif
+
+let s:foldId = 0
+
+if !s:settings.expand_tabs
+ " If keeping tabs, add them to printable characters so we keep them when
+ " formatting text (strtrans() doesn't replace printable chars)
+ let s:old_isprint = &isprint
+ setlocal isprint+=9
+endif
+
+while s:lnum <= s:end
+
+ " If there are filler lines for diff mode, show these above the line.
+ let s:filler = diff_filler(s:lnum)
+ if s:filler > 0
+ let s:n = s:filler
+ while s:n > 0
+ let s:new = repeat(s:difffillchar, 3)
+
+ if s:n > 2 && s:n < s:filler && !s:settings.whole_filler
+ let s:new = s:new . " " . s:filler . " inserted lines "
+ let s:n = 2
+ endif
+
+ if !s:settings.no_pre
+ " HTML line wrapping is off--go ahead and fill to the margin
+ " TODO: what about when CSS wrapping is turned on?
+ let s:new = s:new . repeat(s:difffillchar, &columns - strlen(s:new) - s:margin)
+ else
+ let s:new = s:new . repeat(s:difffillchar, 3)
+ endif
+
+ let s:new = s:HtmlFormat_d(s:new, s:DIFF_D_ID, 0)
+ if s:settings.number_lines
+ " Indent if line numbering is on. Indent gets style of line number
+ " column.
+ let s:new = s:HtmlFormat_n(repeat(' ', s:margin), s:LINENR_ID, 0, 0) . s:new
+ endif
+ if s:settings.dynamic_folds && !s:settings.no_foldcolumn && s:foldcolumn > 0
+ " Indent for foldcolumn if there is one. Assume it's empty, there should
+ " not be a fold for deleted lines in diff mode.
+ let s:new = s:FoldColumn_fill() . s:new
+ endif
+ call add(s:lines, s:new.s:HtmlEndline)
+
+ let s:n = s:n - 1
+ endwhile
+ unlet s:n
+ endif
+ unlet s:filler
+
+ " Start the line with the line number.
+ if s:settings.number_lines
+ let s:numcol = repeat(' ', s:margin - 1 - strlen(s:lnum)) . s:lnum . ' '
+ endif
+
+ let s:new = ""
+
+ if has('folding') && !s:settings.ignore_folding && foldclosed(s:lnum) > -1 && !s:settings.dynamic_folds
+ "
+ " This is the beginning of a folded block (with no dynamic folding)
+ let s:new = foldtextresult(s:lnum)
+ if !s:settings.no_pre
+ " HTML line wrapping is off--go ahead and fill to the margin
+ let s:new = s:new . repeat(s:foldfillchar, &columns - strlen(s:new))
+ endif
+
+ " put numcol in a separate group for sake of unselectable text
+ let s:new = (s:settings.number_lines ? s:HtmlFormat_n(s:numcol, s:FOLDED_ID, 0, s:lnum): "") . s:HtmlFormat_t(s:new, s:FOLDED_ID, 0)
+
+ " Skip to the end of the fold
+ let s:new_lnum = foldclosedend(s:lnum)
+
+ if !s:settings.no_progress
+ call s:pgb.incr(s:new_lnum - s:lnum)
+ endif
+
+ let s:lnum = s:new_lnum
+
+ else
+ "
+ " A line that is not folded, or doing dynamic folding.
+ "
+ let s:line = getline(s:lnum)
+ let s:len = strlen(s:line)
+
+ if s:settings.dynamic_folds
+ " First insert a closing for any open folds that end on this line
+ while !empty(s:foldstack) && get(s:foldstack,0).lastline == s:lnum-1
+ let s:new = s:new."</span></span>"
+ call remove(s:foldstack, 0)
+ endwhile
+
+ " Now insert an opening for any new folds that start on this line
+ let s:firstfold = 1
+ while !empty(s:allfolds) && get(s:allfolds,0).firstline == s:lnum
+ let s:foldId = s:foldId + 1
+ let s:new .= "<span id='"
+ let s:new .= (exists('g:html_diff_win_num') ? "win".g:html_diff_win_num : "")
+ let s:new .= "fold".s:foldId.s:settings.id_suffix."' class='".s:allfolds[0].type."'>"
+
+
+ " Unless disabled, add a fold column for the opening line of a fold.
+ "
+ " Note that dynamic folds require using css so we just use css to take
+ " care of the leading spaces rather than using &nbsp; in the case of
+ " html_no_pre to make it easier
+ if !s:settings.no_foldcolumn
+ " add fold column that can open the new fold
+ if s:allfolds[0].level > 1 && s:firstfold
+ let s:new = s:new . s:FoldColumn_build('|', s:allfolds[0].level - 1, 0, "",
+ \ 'toggle-open FoldColumn','javascript:toggleFold("fold'.s:foldstack[0].id.s:settings.id_suffix.'");')
+ endif
+ " add the filler spaces separately from the '+' char so that it can be
+ " shown/hidden separately during a hover unfold
+ let s:new = s:new . s:FoldColumn_build("+", 1, 0, "",
+ \ 'toggle-open FoldColumn', 'javascript:toggleFold("fold'.s:foldId.s:settings.id_suffix.'");')
+ " If this is not the last fold we're opening on this line, we need
+ " to keep the filler spaces hidden if the fold is opened by mouse
+ " hover. If it is the last fold to open in the line, we shouldn't hide
+ " them, so don't apply the toggle-filler class.
+ let s:new = s:new . s:FoldColumn_build(" ", 1, s:foldcolumn - s:allfolds[0].level - 1, "",
+ \ 'toggle-open FoldColumn'. (get(s:allfolds, 1, {'firstline': 0}).firstline == s:lnum ?" toggle-filler" :""),
+ \ 'javascript:toggleFold("fold'.s:foldId.s:settings.id_suffix.'");')
+
+ " add fold column that can close the new fold
+ " only add extra blank space if we aren't opening another fold on the
+ " same line
+ if get(s:allfolds, 1, {'firstline': 0}).firstline != s:lnum
+ let s:extra_space = s:foldcolumn - s:allfolds[0].level
+ else
+ let s:extra_space = 0
+ endif
+ if s:firstfold
+ " the first fold in a line has '|' characters from folds opened in
+ " previous lines, before the '-' for this fold
+ let s:new .= s:FoldColumn_build('|', s:allfolds[0].level - 1, s:extra_space, '-',
+ \ 'toggle-closed FoldColumn', 'javascript:toggleFold("fold'.s:foldId.s:settings.id_suffix.'");')
+ else
+ " any subsequent folds in the line only add a single '-'
+ let s:new = s:new . s:FoldColumn_build("-", 1, s:extra_space, "",
+ \ 'toggle-closed FoldColumn', 'javascript:toggleFold("fold'.s:foldId.s:settings.id_suffix.'");')
+ endif
+ let s:firstfold = 0
+ endif
+
+ " Add fold text, moving the span ending to the next line so collapsing
+ " of folds works correctly.
+ " Put numcol in a separate group for sake of unselectable text.
+ let s:new = s:new . (s:settings.number_lines ? s:HtmlFormat_n(s:numcol, s:FOLDED_ID, 0, 0) : "") . substitute(s:HtmlFormat_t(foldtextresult(s:lnum), s:FOLDED_ID, 0), '</span>', s:HtmlEndline.'\n\0', '')
+ let s:new = s:new . "<span class='fulltext'>"
+
+ " open the fold now that we have the fold text to allow retrieval of
+ " fold text for subsequent folds
+ execute s:lnum."foldopen"
+ call insert(s:foldstack, remove(s:allfolds,0))
+ let s:foldstack[0].id = s:foldId
+ endwhile
+
+ " Unless disabled, add a fold column for other lines.
+ "
+ " Note that dynamic folds require using css so we just use css to take
+ " care of the leading spaces rather than using &nbsp; in the case of
+ " html_no_pre to make it easier
+ if !s:settings.no_foldcolumn
+ if empty(s:foldstack)
+ " add the empty foldcolumn for unfolded lines if there is a fold
+ " column at all
+ if s:foldcolumn > 0
+ let s:new = s:new . s:FoldColumn_fill()
+ endif
+ else
+ " add the fold column for folds not on the opening line
+ if get(s:foldstack, 0).firstline < s:lnum
+ let s:new = s:new . s:FoldColumn_build('|', s:foldstack[0].level, s:foldcolumn - s:foldstack[0].level, "",
+ \ 'FoldColumn', 'javascript:toggleFold("fold'.s:foldstack[0].id.s:settings.id_suffix.'");')
+ endif
+ endif
+ endif
+ endif
+
+ " Now continue with the unfolded line text
+ if s:settings.number_lines
+ let s:new = s:new . s:HtmlFormat_n(s:numcol, s:LINENR_ID, 0, s:lnum)
+ elseif s:settings.line_ids
+ let s:new = s:new . s:HtmlFormat_n("", s:LINENR_ID, 0, s:lnum)
+ endif
+
+ " Get the diff attribute, if any.
+ let s:diffattr = diff_hlID(s:lnum, 1)
+
+ " initialize conceal info to act like not concealed, just in case
+ let s:concealinfo = [0, '']
+
+ " Loop over each character in the line
+ let s:col = 1
+
+ " most of the time we won't use the diff_id, initialize to zero
+ let s:diff_id = 0
+
+ while s:col <= s:len || (s:col == 1 && s:diffattr)
+ let s:startcol = s:col " The start column for processing text
+ if !s:settings.ignore_conceal && has('conceal')
+ let s:concealinfo = synconcealed(s:lnum, s:col)
+ endif
+ if !s:settings.ignore_conceal && s:concealinfo[0]
+ let s:col = s:col + 1
+ " Speed loop (it's small - that's the trick)
+ " Go along till we find a change in the match sequence number (ending
+ " the specific concealed region) or until there are no more concealed
+ " characters.
+ while s:col <= s:len && s:concealinfo == synconcealed(s:lnum, s:col) | let s:col = s:col + 1 | endwhile
+ elseif s:diffattr
+ let s:diff_id = diff_hlID(s:lnum, s:col)
+ let s:id = synID(s:lnum, s:col, 1)
+ let s:col = s:col + 1
+ " Speed loop (it's small - that's the trick)
+ " Go along till we find a change in hlID
+ while s:col <= s:len && s:id == synID(s:lnum, s:col, 1)
+ \ && s:diff_id == diff_hlID(s:lnum, s:col) |
+ \ let s:col = s:col + 1 |
+ \ endwhile
+ if s:len < &columns && !s:settings.no_pre
+ " Add spaces at the end of the raw text line to extend the changed
+ " line to the full width.
+ let s:line = s:line . repeat(' ', &columns - virtcol([s:lnum, s:len]) - s:margin)
+ let s:len = &columns
+ endif
+ else
+ let s:id = synID(s:lnum, s:col, 1)
+ let s:col = s:col + 1
+ " Speed loop (it's small - that's the trick)
+ " Go along till we find a change in synID
+ while s:col <= s:len && s:id == synID(s:lnum, s:col, 1) | let s:col = s:col + 1 | endwhile
+ endif
+
+ if s:settings.ignore_conceal || !s:concealinfo[0]
+ " Expand tabs if needed
+ let s:expandedtab = strpart(s:line, s:startcol - 1, s:col - s:startcol)
+ if s:settings.expand_tabs
+ let s:offset = 0
+ let s:idx = stridx(s:expandedtab, "\t")
+ let s:tablist = split(&vts,',')
+ if empty(s:tablist)
+ let s:tablist = [ &ts ]
+ endif
+ let s:tabidx = 0
+ let s:tabwidth = 0
+ while s:idx >= 0
+ if s:startcol + s:idx == 1
+ let s:i = s:tablist[0]
+ else
+ " Get the character, which could be multiple bytes, which falls
+ " immediately before the found tab. Extract it by matching a
+ " character just prior to the column where the tab matches.
+ " We'll use this to get the byte index of the character
+ " immediately preceding the tab, so we can then look up the
+ " virtual column that character appears in, to determine how
+ " much of the current tabstop has been used up.
+ if s:idx == 0
+ " if the found tab is the first character in the text being
+ " processed, we need to get the character prior to the text,
+ " given by startcol.
+ let s:prevc = matchstr(s:line, '.\%' . (s:startcol + s:offset) . 'c')
+ else
+ " Otherwise, the byte index of the tab into s:expandedtab is
+ " given by s:idx.
+ let s:prevc = matchstr(s:expandedtab, '.\%' . (s:idx + 1) . 'c')
+ endif
+ let s:vcol = virtcol([s:lnum, s:startcol + s:idx + s:offset - len(s:prevc)])
+
+ " find the tabstop interval to use for the tab we just found. Keep
+ " adding tabstops (which could be variable) until we would exceed
+ " the virtual screen position of the start of the found tab.
+ while s:vcol >= s:tabwidth + s:tablist[s:tabidx]
+ let s:tabwidth += s:tablist[s:tabidx]
+ if s:tabidx < len(s:tablist)-1
+ let s:tabidx = s:tabidx+1
+ endif
+ endwhile
+ let s:i = s:tablist[s:tabidx] - (s:vcol - s:tabwidth)
+ endif
+ " update offset to keep the index within the line corresponding to
+ " actual tab characters instead of replaced spaces; s:idx reflects
+ " replaced spaces in s:expandedtab, s:offset cancels out all but
+ " the tab character itself.
+ let s:offset -= s:i - 1
+ let s:expandedtab = substitute(s:expandedtab, '\t', repeat(' ', s:i), '')
+ let s:idx = stridx(s:expandedtab, "\t")
+ endwhile
+ end
+
+ " get the highlight group name to use
+ let s:id = synIDtrans(s:id)
+ else
+ " use Conceal highlighting for concealed text
+ let s:id = s:CONCEAL_ID
+ let s:expandedtab = s:concealinfo[1]
+ endif
+
+ " Output the text with the same synID, with class set to the highlight ID
+ " name, unless it has been concealed completely.
+ if strlen(s:expandedtab) > 0
+ let s:new = s:new . s:HtmlFormat(s:expandedtab, s:id, s:diff_id, "", 0)
+ endif
+ endwhile
+ endif
+
+ call extend(s:lines, split(s:new.s:HtmlEndline, '\n', 1))
+ if !s:settings.no_progress && s:pgb.needs_redraw
+ redrawstatus
+ let s:pgb.needs_redraw = 0
+ endif
+ let s:lnum = s:lnum + 1
+
+ if !s:settings.no_progress
+ call s:pgb.incr()
+ endif
+endwhile
+
+if s:settings.dynamic_folds
+ " finish off any open folds
+ while !empty(s:foldstack)
+ let s:lines[-1].="</span></span>"
+ call remove(s:foldstack, 0)
+ endwhile
+
+ " add fold column to the style list if not already there
+ let s:id = s:FOLD_C_ID
+ if !has_key(s:stylelist, s:id)
+ let s:stylelist[s:id] = '.FoldColumn { ' . s:CSS1(s:id) . '}'
+ endif
+endif
+
+if s:settings.no_pre
+ if !s:settings.use_css
+ " Close off the font tag that encapsulates the whole <body>
+ call extend(s:lines, ["</font>"])
+ else
+ call extend(s:lines, ["</div>"])
+ endif
+else
+ call extend(s:lines, ["</pre>"])
+endif
+if !s:settings.no_doc
+ call extend(s:lines, ["</body>", "</html>"])
+endif
+
+exe s:newwin . "wincmd w"
+call setline(1, s:lines)
+unlet s:lines
+
+" Mangle modelines so Vim doesn't try to use HTML text as a modeline if editing
+" this file in the future; need to do this after generating all the text in case
+" the modeline text has different highlight groups which all turn out to be
+" stripped from the final output.
+%s!\v(%(^|\s+)%([Vv]i%(m%([<=>]?\d+)?)?|ex)):!\1\&#0058;!ge
+
+" The generated HTML is admittedly ugly and takes a LONG time to fold.
+" Make sure the user doesn't do syntax folding when loading a generated file,
+" using a modeline.
+if !s:settings.no_modeline
+ call append(line('$'), "<!-- vim: set foldmethod=manual : -->")
+endif
+
+" Now, when we finally know which, we define the colors and styles
+if s:settings.use_css && !s:settings.no_doc
+ 1;/<style\>/+1
+
+ " Normal/global attributes
+ if s:settings.no_pre
+ call append('.', "body { color: " . s:fgc . "; background-color: " . s:bgc . "; font-family: ". s:htmlfont ."; }")
+ +
+ else
+ call append('.', "pre { " . s:whitespace . "font-family: ". s:htmlfont ."; color: " . s:fgc . "; background-color: " . s:bgc . "; }")
+ +
+ yank
+ put
+ execute "normal! ^cwbody\e"
+ " body should not have the wrap formatting, only the pre section
+ if s:whitespace != ''
+ exec 's#'.s:whitespace
+ endif
+ endif
+ " fix browser inconsistencies (sometimes within the same browser) of different
+ " default font size for different elements
+ call append('.', '* { font-size: 1em; }')
+ +
+ " if we use any input elements for unselectable content, make sure they look
+ " like normal text
+ if !empty(s:settings.prevent_copy)
+ if s:settings.use_input_for_pc !=# "none"
+ call append('.', 'input { border: none; margin: 0; padding: 0; font-family: '.s:htmlfont.'; }')
+ +
+ " ch units for browsers which support them, em units for a somewhat
+ " reasonable fallback.
+ for w in range(1, 20, 1)
+ call append('.', [
+ \ "input[size='".w."'] { width: ".w."em; width: ".w."ch; }"
+ \ ])
+ +
+ endfor
+ endif
+
+ if s:settings.use_input_for_pc !=# 'all'
+ let s:unselectable_styles = []
+ if s:settings.prevent_copy =~# 'f'
+ call add(s:unselectable_styles, 'FoldColumn')
+ endif
+ if s:settings.prevent_copy =~# 'n'
+ call add(s:unselectable_styles, 'LineNr')
+ endif
+ if s:settings.prevent_copy =~# 't' && !s:settings.ignore_folding
+ call add(s:unselectable_styles, 'Folded')
+ endif
+ if s:settings.prevent_copy =~# 'd'
+ call add(s:unselectable_styles, 'DiffDelete')
+ endif
+ if s:settings.use_input_for_pc !=# 'none'
+ call append('.', [
+ \ '/* Note: IE does not support @supports conditionals, but also does not fully support',
+ \ ' "content:" with custom content, so we *want* the check to fail */',
+ \ '@supports ( content: attr(data-custom-content) ) {'
+ \ ])
+ +3
+ endif
+ " The line number column inside the foldtext is styled just like the fold
+ " text in Vim, but it should use the prevent_copy settings of line number
+ " rather than fold text. Apply the prevent_copy styles to foldtext
+ " specifically for line numbers, which always come after the fold column,
+ " or at the beginning of the line.
+ if s:settings.prevent_copy =~# 'n' && !s:settings.ignore_folding
+ call append('.', [
+ \ ' .FoldColumn + .Folded, .Folded:first-child { user-select: none; }',
+ \ ' .FoldColumn + [data-Folded-content]::before, [data-Folded-content]:first-child::before { content: attr(data-Folded-content); }',
+ \ ' .FoldColumn + [data-Folded-content]::before, [data-Folded-content]:first-child::before { padding-bottom: 1px; display: inline-block; /* match the 1-px padding of standard items with background */ }',
+ \ ' .FoldColumn + span[data-Folded-content]::before, [data-Folded-content]:first-child::before { cursor: default; }',
+ \ ])
+ +4
+ endif
+ for s:style_name in s:unselectable_styles
+ call append('.', [
+ \ ' .'.s:style_name.' { user-select: none; }',
+ \ ' [data-'.s:style_name.'-content]::before { content: attr(data-'.s:style_name.'-content); }',
+ \ ' [data-'.s:style_name.'-content]::before { padding-bottom: 1px; display: inline-block; /* match the 1-px padding of standard items with background */ }',
+ \ ' span[data-'.s:style_name.'-content]::before { cursor: default; }',
+ \ ])
+ +4
+ endfor
+ if s:settings.use_input_for_pc !=# 'none'
+ call append('.', [
+ \ ' input { display: none; }',
+ \ '}'
+ \ ])
+ +2
+ endif
+ unlet s:unselectable_styles
+ endif
+
+ " Fix mouse cursor shape for the fallback <input> method of uncopyable text
+ if s:settings.use_input_for_pc !=# 'none'
+ if s:settings.prevent_copy =~# 'f'
+ " Make the cursor show active fold columns as active areas, and empty fold
+ " columns as not interactive.
+ call append('.', ['input.FoldColumn { cursor: pointer; }',
+ \ 'input.FoldColumn[value="'.repeat(' ', s:foldcolumn).'"] { cursor: default; }'
+ \ ])
+ +2
+ if s:settings.use_input_for_pc !=# 'all'
+ call append('.', [
+ \ 'a[data-FoldColumn-content="'.repeat(' ', s:foldcolumn).'"] { cursor: default; }'
+ \ ])
+ +1
+ end
+ endif
+ " make line number column show as non-interactive if not selectable
+ if s:settings.prevent_copy =~# 'n'
+ call append('.', 'input.LineNr { cursor: default; }')
+ +
+ endif
+ " make fold text and line number column within fold text show as
+ " non-interactive if not selectable
+ if (s:settings.prevent_copy =~# 'n' || s:settings.prevent_copy =~# 't') && !s:settings.ignore_folding
+ call append('.', 'input.Folded { cursor: default; }')
+ +
+ endif
+ " make diff filler show as non-interactive if not selectable
+ if s:settings.prevent_copy =~# 'd'
+ call append('.', 'input.DiffDelete { cursor: default; }')
+ +
+ endif
+ endif
+ endif
+endif
+
+if !s:settings.use_css && !s:settings.no_doc
+ " For Netscape 4, set <body> attributes too, though, strictly speaking, it's
+ " incorrect.
+ execute '%s:<body\([^>]*\):<body bgcolor="' . s:bgc . '" text="' . s:fgc . '"\1>\r<font face="'. s:htmlfont .'"'
+endif
+
+" Gather attributes for all other classes. Do diff first so that normal
+" highlight groups are inserted before it.
+if s:settings.use_css && !s:settings.no_doc
+ if s:diff_mode
+ call append('.', filter(map(keys(s:diffstylelist), "s:diffstylelist[v:val]"), 'v:val != ""'))
+ endif
+ if !empty(s:stylelist)
+ call append('.', filter(map(keys(s:stylelist), "s:stylelist[v:val]"), 'v:val != ""'))
+ endif
+endif
+
+" Add hyperlinks
+if !s:settings.no_links
+ %s+\(https\=://\S\{-}\)\(\([.,;:}]\=\(\s\|$\)\)\|[\\"'<>]\|&gt;\|&lt;\|&quot;\)+<a href="\1">\1</a>\2+ge
+endif
+
+" The DTD
+if !s:settings.no_doc
+ if s:settings.use_xhtml
+ exe "normal! gg$a\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">"
+ elseif s:html5
+ exe "normal! gg0i<!DOCTYPE html>\n"
+ else
+ exe "normal! gg0i<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"
+ endif
+endif
+
+if s:settings.use_xhtml && !s:settings.no_doc
+ exe "normal! gg/<html/e\na xmlns=\"http://www.w3.org/1999/xhtml\"\e"
+endif
+
+" Cleanup
+%s:\s\+$::e
+
+" Restore old settings (new window first)
+"
+" Don't bother restoring foldmethod in case it was syntax because the markup is
+" so weirdly formatted it can take a LONG time.
+let &l:foldenable = s:old_fen
+let &report = s:old_report
+let &title = s:old_title
+let &icon = s:old_icon
+let &paste = s:old_paste
+let &magic = s:old_magic
+let @/ = s:old_search
+let &more = s:old_more
+
+" switch to original window to restore those settings
+exe s:orgwin . "wincmd w"
+
+if !s:settings.expand_tabs
+ let &l:isprint = s:old_isprint
+endif
+let &l:stl = s:origwin_stl
+let &l:et = s:old_et
+let &l:scrollbind = s:old_bind
+
+" and back to the new window again to end there
+exe s:newwin . "wincmd w"
+
+let &l:stl = s:newwin_stl
+exec 'resize' s:old_winheight
+let &l:winfixheight = s:old_winfixheight
+
+let &ls=s:ls
+let &eventignore=s:ei_sav
+
+" Save a little bit of memory (worth doing?)
+unlet s:htmlfont s:whitespace
+unlet s:old_et s:old_paste s:old_icon s:old_report s:old_title s:old_search
+unlet s:old_magic s:old_more s:old_fen s:old_winheight
+unlet! s:old_isprint
+unlet s:whatterm s:stylelist s:diffstylelist s:lnum s:end s:margin s:fgc s:bgc s:old_winfixheight
+unlet! s:col s:id s:attr s:len s:line s:new s:expandedtab s:concealinfo s:diff_mode
+unlet! s:orgwin s:newwin s:orgbufnr s:idx s:i s:offset s:ls s:ei_sav s:origwin_stl
+unlet! s:newwin_stl s:current_syntax
+if !v:profiling
+ delfunc s:HtmlColor
+ delfunc s:HtmlFormat
+ delfunc s:CSS1
+ delfunc s:BuildStyleWrapper
+ if !s:settings.use_css
+ delfunc s:HtmlOpening
+ delfunc s:HtmlClosing
+ endif
+ if s:settings.dynamic_folds
+ delfunc s:FoldCompare
+ endif
+
+ if !s:settings.no_progress
+ delfunc s:ProgressBar
+ delfunc s:progressbar.paint
+ delfunc s:progressbar.incr
+ unlet s:pgb s:progressbar
+ endif
+endif
+
+unlet! s:new_lnum s:diffattr s:difffillchar s:foldfillchar s:HtmlSpace
+unlet! s:LeadingSpace s:HtmlEndline s:firstfold s:numcol s:foldcolumn
+unlet s:foldstack s:allfolds s:foldId s:settings
+
+let &cpo = s:cpo_sav
+unlet! s:cpo_sav
+
+" Make sure any patches will probably use consistent indent
+" vim: ts=8 sw=2 sts=2 noet