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2html.vim
" Vim syntax support file " Maintainer: Ben Fritz <fritzophrenic@gmail.com> " Last Change: 2015 Sep 08 " " 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 set cpo&vim 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 !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 not in gui we can only guess the colors. " TODO - is this true anymore? if 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 " " 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.'"\">'. \ '<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 ? '/' : '').'></span>"', \ ' 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, '&', '\&', 'g') let formatted = substitute(formatted, '<', '\<', 'g') let formatted = substitute(formatted, '>', '\>', 'g') let formatted = substitute(formatted, '"', '\"', 'g') " ' 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, '"', '\'', '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 emtpy 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' " 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. 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 ? "' />" : "'>") return "<span class='".a:class."'>". \ l:input_open.l:common_attrs.repeat(a:char, a:len). \ (!empty(a:char2) ? a:char2 : ""). \ l:input_close . "</span>" endfun function! s:FoldColumn_fill() return s:FoldColumn_build('', s:foldcolumn, 0, '', 'FoldColumn', '') endfun 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 " 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 ? ' ' : ' ' 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. 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 call add(s:lines, "<meta http-equiv=\"content-type\" content=\"text/html; charset=" . s:settings.encoding . '"' . s:tag_close) 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=\"".g:loaded_2html_plugin.'"'.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. \ '"'.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 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, [ \ "<style type=\"text/css\">", \ s:settings.use_xhtml ? "" : "<!--", \ ".FoldColumn { text-decoration: none; white-space: pre; }", \ "", \ "body * { margin: 0; padding: 0; }", "", \ ".open-fold > .Folded { display: none; }", \ ".open-fold > .fulltext { display: inline; }", \ ".closed-fold > .fulltext { display: none; }", \ ".closed-fold > .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; }", \ s:settings.use_xhtml ? "" : '-->', \ '</style>']) " TODO: IE7 doesn't *actually* support XHTML, maybe we should remove this. " But if it's served up as tag soup, maybe the following will work, so " leave it in for now. call extend(s:lines, [ \ "<!--[if lt IE 7]><style type=\"text/css\">", \ ".open-fold .Folded { display: none; }", \ ".open-fold .fulltext { display: inline; }", \ ".open-fold .toggle-open { display: none; }", \ ".closed-fold .toggle-closed { display: inline; }", \ "", \ ".closed-fold .fulltext { display: none; }", \ ".closed-fold .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, [ \ "<style type=\"text/css\">", \ s:settings.use_xhtml ? "" :"<!--", \ ".FoldColumn { text-decoration: none; white-space: pre; }", \ ".open-fold .Folded { display: none; }", \ ".open-fold .fulltext { display: inline; }", \ ".open-fold .toggle-open { display: none; }", \ ".closed-fold .toggle-closed { display: inline; }", \ "", \ ".closed-fold .fulltext { display: none; }", \ ".closed-fold .Folded { display: inline; }", \ ".closed-fold .toggle-open { display: inline; }", \ ".closed-fold .toggle-closed { display: none; }", \ s:settings.use_xhtml ? "" : '-->', \ '</style>' \]) endif else " if we aren't doing any dynamic folding, no need for any special rules call extend(s:lines, [ \ "<style type=\"text/css\">", \ s:settings.use_xhtml ? "" : "<!--", \ s:settings.use_xhtml ? "" : '-->', \ "</style>", \]) endif endif " insert script tag; javascript is always needed for the line number " normalization for URL hashes call extend(s:lines, [ \ "", \ "<script type='text/javascript'>", \ s:settings.use_xhtml ? '//<![CDATA[' : "<!--"]) " 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;", \ " }", \ " 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 " Small text columns like the foldcolumn and line number column need a weird " hack to work around Webkit's and (in versions prior to 9) IE's lack of support " for the 'ch' unit without messing up Opera, which also doesn't support it but " works anyway. " " The problem is that without the 'ch' unit, it is not possible to specify a " size of an <input> in terms of character widths. Only Opera seems to do the " "sensible" thing and make the <input> sized to fit exactly as many characters " as specified by its "size" attribute, but the spec actually says "at least " wide enough to fit 'size' characters", so the other browsers are technically " correct as well. " " Anyway, this leads to two diffculties: " 1. The foldcolumn is made up of multiple elements side-by-side with " different sizes, each of which has their own extra padding added. Thus, a " column made up of one item of size 1 and another of size 2 would not " necessarily be equal in size to another line's foldcolumn with a single " item of size 3. " 2. The extra padding added to the <input> elements adds up to make the " foldcolumn and line number column too wide, especially in Webkit " browsers. " " So, the full workaround is: " 1. Define a default size in em, equal to the number of characters in the " input element, in case javascript is disabled and the browser does not " support the 'ch' unit. Unfortunately this makes Opera no longer work " properly without javascript. 1em per character is much too wide but it " looks better in webkit browsers than unaligned columns. " 2. Insert the following javascript to run at page load, which checks for the " width of a single character (in an extraneous page element inserted " before the page title, and set to hidden) and compares it to the width of " another extra <input> element with only one character. If the width " matches, the script does nothing more, but if not, it will figure out the " fraction of an em unit which would correspond with a ch unit if there " were one, and set the containing element (<pre> or <div>) to a class with " pre-defined rules which is closest to that fraction of an em. Rules are " defined from 0.05 em to 1em per ch. if !empty(s:settings.prevent_copy) call extend(s:lines, [ \ '', \ '/* simulate a "ch" unit by asking the browser how big a zero character is */', \ 'function FixCharWidth() {', \ ' /* get the hidden element which gives the width of a single character */', \ ' var goodWidth = document.getElementById("oneCharWidth").clientWidth;', \ ' /* get all input elements, we''ll filter on class later */', \ ' var inputTags = document.getElementsByTagName("input");', \ ' var ratio = 5;', \ ' var inputWidth = document.getElementById("oneInputWidth").clientWidth;', \ ' var emWidth = document.getElementById("oneEmWidth").clientWidth;', \ ' if (inputWidth > goodWidth) {', \ ' while (ratio < 100*goodWidth/emWidth && ratio < 100) {', \ ' ratio += 5;', \ ' }', \ ' document.getElementById("vimCodeElement'.s:settings.id_suffix.'").className = "em"+ratio;', \ ' }', \ '}' \ ]) endif " insert script closing tag call extend(s:lines, [ \ '', \ s:settings.use_xhtml ? '//]]>' : '-->', \ "</script>" \ ]) call extend(s:lines, ["</head>"]) if !empty(s:settings.prevent_copy) call extend(s:lines, \ ["<body onload='FixCharWidth();".(s:settings.line_ids ? " JumpToLine();" : "")."'>", \ "<!-- hidden divs used by javascript to get the width of a char -->", \ "<div id='oneCharWidth'>0</div>", \ "<div id='oneInputWidth'><input size='1' value='0'".s:tag_close."</div>", \ "<div id='oneEmWidth' style='width: 1em;'></div>" \ ]) else call extend(s:lines, ["<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={} " Progessbar specific functions 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' : 'DiffDelete' , '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('$')*2, s:orgwin) endif endif " First do some preprocessing for dynamic folding. Do this for the entire file " so we don't accidentally start within a closed fold or something. let s:allfolds = [] if s:settings.dynamic_folds let s:lnum = 1 let s:end = line('$') " 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 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 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") while s:idx >= 0 if has("multi_byte_encoding") if s:startcol + s:idx == 1 let s:i = &ts else if s:idx == 0 let s:prevc = matchstr(s:line, '.\%' . (s:startcol + s:idx + s:offset) . 'c') else 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)]) let s:i = &ts - (s:vcol % &ts) endif let s:offset -= s:i - 1 else let s:i = &ts - ((s:idx + s:startcol - 1) % &ts) endif 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>", "</body>", "</html>"]) else call extend(s:lines, ["</div>", "</body>", "</html>"]) endif else call extend(s:lines, ["</pre>", "</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\:!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. call append(line('$'), "<!-- vim: set foldmethod=manual : -->") " Now, when we finally know which, we define the colors and styles if s:settings.use_css 1;/<style type="text/+1 endif " Normal/global attributes " For Netscape 4, set <body> attributes too, though, strictly speaking, it's " incorrect. if s:settings.use_css 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) 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. Also make sure the special elements for size " calculations aren't seen. call append('.', [ \ "input[size='1'] { width: 1em; width: 1ch; }", \ "input[size='2'] { width: 2em; width: 2ch; }", \ "input[size='3'] { width: 3em; width: 3ch; }", \ "input[size='4'] { width: 4em; width: 4ch; }", \ "input[size='5'] { width: 5em; width: 5ch; }", \ "input[size='6'] { width: 6em; width: 6ch; }", \ "input[size='7'] { width: 7em; width: 7ch; }", \ "input[size='8'] { width: 8em; width: 8ch; }", \ "input[size='9'] { width: 9em; width: 9ch; }", \ "input[size='10'] { width: 10em; width: 10ch; }", \ "input[size='11'] { width: 11em; width: 11ch; }", \ "input[size='12'] { width: 12em; width: 12ch; }", \ "input[size='13'] { width: 13em; width: 13ch; }", \ "input[size='14'] { width: 14em; width: 14ch; }", \ "input[size='15'] { width: 15em; width: 15ch; }", \ "input[size='16'] { width: 16em; width: 16ch; }", \ "input[size='17'] { width: 17em; width: 17ch; }", \ "input[size='18'] { width: 18em; width: 18ch; }", \ "input[size='19'] { width: 19em; width: 19ch; }", \ "input[size='20'] { width: 20em; width: 20ch; }", \ "#oneCharWidth, #oneEmWidth, #oneInputWidth { padding: 0; margin: 0; position: absolute; left: -999999px; visibility: hidden; }" \ ]) +21 for w in range(5, 100, 5) let base = 0.01 * w call append('.', join(map(range(1,20), "'.em'.w.' input[size='''.v:val.'''] { width: '.string(v:val*base).'em; }'"))) + endfor 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=""] { cursor: default; }' \ ]) +2 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 endif else 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 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 " TODO: add option to not do this? Maybe just make the color the same as the " text highlight group normally is? %s+\(https\=://\S\{-}\)\(\([.,;:}]\=\(\s\|$\)\)\|[\\"'<>]\|>\|<\|"\)+<a href="\1">\1</a>\2+ge " The DTD if s:settings.use_xhtml exe "normal! gg$a\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">" elseif s:settings.use_css && !s:settings.no_pre exe "normal! gg0i<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n" else exe "normal! gg0i<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n" endif if s:settings.use_xhtml exe "normal! gg/<html/e\na xmlns=\"http://www.w3.org/1999/xhtml\"\e" endif " Cleanup %s:\s\+$::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 " 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: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
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