diff options
Diffstat (limited to 'runtime/syntax/2html.vim')
| -rw-r--r-- | runtime/syntax/2html.vim | 2068 |
1 files changed, 2068 insertions, 0 deletions
diff --git a/runtime/syntax/2html.vim b/runtime/syntax/2html.vim new file mode 100644 index 0000000..f3ce8be --- /dev/null +++ b/runtime/syntax/2html.vim @@ -0,0 +1,2068 @@ +" Vim syntax support file +" Maintainer: Ben Fritz <fritzophrenic@gmail.com> +" Last Change: 2023 Sep 05 +" +" 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")->synIDtrans(), "fg#", s:whatterm)) +let s:bgc = s:HtmlColor(synIDattr(hlID("Normal")->synIDtrans(), "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 = "" + let translated_ID = synIDtrans(a:id) + if synIDattr(translated_ID, "inverse") + " For inverse, we always must set both colors (and exchange them) + let x = s:HtmlColor(synIDattr(translated_ID, "fg#", s:whatterm)) + let a = a .. '<span '..a:extra_attrs..'style="background-color: ' .. ( x != "" ? x : s:fgc ) .. '">' + let x = s:HtmlColor(synIDattr(translated_ID, "bg#", s:whatterm)) + let a = a .. '<font color="' .. ( x != "" ? x : s:bgc ) .. '">' + else + let x = s:HtmlColor(synIDattr(translated_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(translated_ID, "fg#", s:whatterm)) + if x != "" | let a = a .. '<font color="' .. x .. '">' | endif + endif + if synIDattr(translated_ID, "bold") | let a = a .. "<b>" | endif + if synIDattr(translated_ID, "italic") | let a = a .. "<i>" | endif + if synIDattr(translated_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 = "" + let translated_ID = synIDtrans(a:id) + if synIDattr(translated_ID, "underline") | let a = a .. "</u>" | endif + if synIDattr(translated_ID, "italic") | let a = a .. "</i>" | endif + if synIDattr(translated_ID, "bold") | let a = a .. "</b>" | endif + if synIDattr(translated_ID, "inverse") + let a = a .. '</font></span>' + else + let x = s:HtmlColor(synIDattr(translated_ID, "fg#", s:whatterm)) + if x != "" | let a = a .. '</font>' | endif + let x = s:HtmlColor(synIDattr(translated_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 s:wrapperfunc_lines = [] + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + 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) + ENDLET + if &diff + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + let l:diff_style_name = synIDattr(a:diff_style_id, "name", s:whatterm) + ENDLET + + " 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) + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + + 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 + ENDLET + endif + + " get primary style info from cache or build it on the fly if not found + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + 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 + ENDLET + if &diff + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + endif + ENDLET + endif +" Ignore this comment, just bypassing a highlighting issue: if + + " 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. + + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + + if l:saved_style == "" && empty(a:extra_attrs) + ENDLET + if &diff + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + if a:diff_style_id <= 0 + ENDLET + endif + " no surroundings if neither primary nor diff style has any info + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + return a:text + ENDLET + if &diff + " no primary style, but diff style + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + else + return '<span class="' ..l:diff_style_name .. '">'..a:text.."</span>" + endif + ENDLET + endif + " Ignore this comment, just bypassing a highlighting issue: if + + " open tag for non-empty primary style + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + else + ENDLET + " 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 s:diffstyle = + \ (&diff ? '(a:diff_style_id <= 0 ? "" : " " .. l:diff_style_name)..' + \ : '') + if s:settings.prevent_copy == "" + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim eval ENDLET + return "<span "..a:extra_attrs..'class="' .. l:style_name ..{s:diffstyle}'">'..a:text.."</span>" + ENDLET + 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. + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim eval ENDLET + if a:make_unselectable + let return_span = "<span "..a:extra_attrs..'class="' .. l:style_name ..{s:diffstyle}'"' + ENDLET + if s:settings.use_input_for_pc !=# 'all' + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + let return_span ..= " data-" .. l:style_name .. '-content="'..a:text..'"' + ENDLET + endif + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + let return_span ..= '>' + ENDLET + if s:settings.use_input_for_pc !=# 'none' + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim eval ENDLET + let return_span ..= '<input'..s:unselInputType..' class="' .. l:style_name ..{s:diffstyle}'"' + let return_span ..= ' value="'..substitute(a:unformatted,'\s\+$',"","")..'"' + let return_span ..= " onselect='this.blur(); return false;'" + let return_span ..= " onmousedown='this.blur(); return false;'" + let return_span ..= " onclick='this.blur(); return false;'" + let return_span ..= " readonly='readonly'" + let return_span ..= ' size="'..strwidth(a:unformatted)..'"' + let return_span ..= (s:settings.use_xhtml ? '/>' : '>') + ENDLET + endif + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim eval ENDLET + return return_span..'</span>' + else + return "<span "..a:extra_attrs..'class="' .. l:style_name .. {s:diffstyle}'">'..a:text.."</span>" + endif + ENDLET + endif + call add(s:wrapperfunc_lines, []) + let s:wrapperfunc_lines[-1] =<< trim ENDLET + endif + endfun + ENDLET +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 s:wrapperfunc_lines =<< trim ENDLET + function! s:BuildStyleWrapper(style_id, diff_style_id, extra_attrs, text, unusedarg, unusedarg2) + if a:diff_style_id <= 0 + let l:diff_opening = s:HtmlOpening(a:diff_style_id, "") + let l:diff_closing = s:HtmlClosing(a:diff_style_id, 0) + else + let l:diff_opening = "" + let l:diff_closing = "" + endif + return s:HtmlOpening(a:style_id, a:extra_attrs)..l:diff_opening..a:text..l:diff_closing..s:HtmlClosing(a:style_id, !empty(a:extra_attrs)) + endfun + ENDLET + else + let s:wrapperfunc_lines =<< trim ENDLET + 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 + ENDLET + endif +endif + +" create the function we built line by line above +exec join(flatten(s: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 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 s:build_fun_lines = [] + call add(s:build_fun_lines, []) + let s:build_fun_lines[-1] =<< trim ENDLET + function! s:FoldColumn_build(char, len, numfill, char2, class, click) + let l:input_open = "<input readonly='readonly'"..s:unselInputType + let l:input_open ..= " onselect='this.blur(); return false;'" + let l:input_open ..= " onmousedown='this.blur(); "..a:click.." return false;'" + let l:input_open ..= " onclick='return false;' size='" + let l:input_open ..= 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 ? "' />" : "'>") + let l:return_span = "<span class='"..a:class.."'>" + let l:return_span ..= l:input_open..l:common_attrs..repeat(a:char, a:len)..(a:char2) + let l:return_span ..= l:input_close + ENDLET + if s:settings.use_input_for_pc ==# 'fallback' + call add(s:build_fun_lines, []) + let s:build_fun_lines[-1] =<< trim ENDLET + let l:return_span ..= "<a href='#' class='FoldColumn' onclick='"..a:click.."'" + let l:return_span ..= " data-FoldColumn-content='" + let l:return_span ..= repeat(a:char, a:len)..a:char2..repeat(' ', a:numfill) + let l:return_span ..= "'></a>" + ENDLET + endif + call add(s:build_fun_lines, []) + let s:build_fun_lines[-1] =<< trim ENDLET + let l:return_span ..= "</span>" + return l:return_span + endfun + ENDLET + " create the function we built line by line above + exec join(flatten(s: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 = "" + let translated_ID = synIDtrans(a:id) + if synIDattr(translated_ID, "inverse") + " For inverse, we always must set both colors (and exchange them) + let x = s:HtmlColor(synIDattr(translated_ID, "bg#", s:whatterm)) + let a = a .. "color: " .. ( x != "" ? x : s:bgc ) .. "; " + let x = s:HtmlColor(synIDattr(translated_ID, "fg#", s:whatterm)) + let a = a .. "background-color: " .. ( x != "" ? x : s:fgc ) .. "; " + else + let x = s:HtmlColor(synIDattr(translated_ID, "fg#", s:whatterm)) + if x != "" | let a = a .. "color: " .. x .. "; " | endif + let x = s:HtmlColor(synIDattr(translated_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 (translated_ID == s:FOLDED_ID || translated_ID == s:LINENR_ID || translated_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(translated_ID, "bold") | let a = a .. "font-weight: bold; " | endif + if synIDattr(translated_ID, "italic") | let a = a .. "font-style: italic; " | endif + if synIDattr(translated_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 ? 'xhtml' : 'html') + else + exec 'new Untitled.'..(s:settings.use_xhtml ? 'xhtml' : 'html') + endif +else + exec 'new %.'..(s:settings.use_xhtml ? 'xhtml' : '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. +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")->synIDtrans(), "reverse", s:whatterm) ? "fg#" : "bg#" + let l:stlatr = synIDattr(hlID("StatusLine")->synIDtrans(), "reverse", s:whatterm) ? "fg#" : "bg#" + + let l:progbar_color = synIDattr(hlID("DiffDelete")->synIDtrans(), l:diffatr, s:whatterm) + let l:stl_color = synIDattr(hlID("StatusLine")->synIDtrans(), l:stlatr, s:whatterm) + + if "" == l:progbar_color + let l:progbar_color = synIDattr(hlID("DiffDelete")->synIDtrans(), "reverse", s:whatterm) ? s:fgc : s:bgc + endif + if "" == l:stl_color + let l:stl_color = synIDattr(hlID("StatusLine")->synIDtrans(), "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 + +let s:build_fun_lines = [] +call add(s:build_fun_lines, []) +let s:build_fun_lines[-1] =<< trim ENDLET + func! s:Add_diff_fill(lnum) + let l:filler = diff_filler(a:lnum) + if l:filler > 0 + let l:to_insert = l:filler + while l:to_insert > 0 + let l:new = repeat(s:difffillchar, 3) + + if l:to_insert > 2 && l:to_insert < l:filler && !s:settings.whole_filler + let l:new = l:new .. " " .. l:filler .. " inserted lines " + let l:to_insert = 2 + endif +ENDLET +call add(s:build_fun_lines, []) +if !s:settings.no_pre + let s:build_fun_lines[-1] =<< trim ENDLET + " HTML line wrapping is off--go ahead and fill to the margin + " TODO: what about when CSS wrapping is turned on? + let l:new = l:new .. repeat(s:difffillchar, &columns - strlen(l:new) - s:margin) + ENDLET +else + let s:build_fun_lines[-1] =<< trim ENDLET + let l:new = l:new .. repeat(s:difffillchar, 3) + ENDLET +endif +call add(s:build_fun_lines, []) +let s:build_fun_lines[-1] =<< trim ENDLET + let l:new = s:HtmlFormat_d(l:new, s:DIFF_D_ID, 0) +ENDLET +if s:settings.number_lines + call add(s:build_fun_lines, []) + let s:build_fun_lines[-1] =<< trim ENDLET + " Indent if line numbering is on. Indent gets style of line number + " column. + let l:new = s:HtmlFormat_n(repeat(' ', s:margin), s:LINENR_ID, 0, 0) .. l:new + ENDLET +endif +if s:settings.dynamic_folds && !s:settings.no_foldcolumn + call add(s:build_fun_lines, []) + let s:build_fun_lines[-1] =<< trim ENDLET + if 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 l:new = s:FoldColumn_fill() .. l:new + endif + ENDLET +endif +" Ignore this comment, just bypassing a highlighting issue: if +call add(s:build_fun_lines, []) +let s:build_fun_lines[-1] =<< trim ENDLET + call add(s:lines, l:new..s:HtmlEndline) + let l:to_insert = l:to_insert - 1 + endwhile + endif + endfun +ENDLET +exec join(flatten(s:build_fun_lines), "\n") + +" 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. + call s:Add_diff_fill(s:lnum) + + " 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") + 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 + +" Diff filler is returned based on what needs inserting *before* the given line. +" So to get diff filler at the end of the buffer, we need to use last line + 1 +call s:Add_diff_fill(s:end+1) + +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\:!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' + " Note, the extra '}' is to match the "@supports" above + 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+\(https\=://\S\{-}\)\(\([.,;:}]\=\(\s\|$\)\)\|[\\"'<>]\|>\|<\|"\)+<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 + + delfunc s:Add_diff_fill +endif + +unlet! s:new_lnum s:diffattr s:difffillchar s:foldfillchar s:HtmlSpace s:diffstyle +unlet! s:LeadingSpace s:HtmlEndline s:firstfold s:numcol s:foldcolumn +unlet! s:wrapperfunc_lines s:build_fun_lines +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 |