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2html.vim
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" 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' } ,