updated for version 7.0001
diff --git a/runtime/syntax/2html.vim b/runtime/syntax/2html.vim
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+" Vim syntax support file
+" Maintainer: Bram Moolenaar <Bram@vim.org>
+" Last Change: 2004 May 31
+" (modified by David Ne\v{c}as (Yeti) <yeti@physics.muni.cz>)
+" (XHTML support by Panagiotis Issaris <takis@lumumba.luc.ac.be>)
+
+" Transform a file into HTML, using the current syntax highlighting.
+
+" Number lines when explicitely requested or when `number' is set
+if exists("html_number_lines")
+ let s:numblines = html_number_lines
+else
+ let s:numblines = &number
+endif
+
+" When not in gui we can only guess the colors.
+if has("gui_running")
+ let s:whatterm = "gui"
+else
+ let s:whatterm = "cterm"
+ if &t_Co == 8
+ let s:cterm_color0 = "#808080"
+ let s:cterm_color1 = "#ff6060"
+ let s:cterm_color2 = "#00ff00"
+ let s:cterm_color3 = "#ffff00"
+ let s:cterm_color4 = "#8080ff"
+ let s:cterm_color5 = "#ff40ff"
+ let s:cterm_color6 = "#00ffff"
+ let s:cterm_color7 = "#ffffff"
+ else
+ let s:cterm_color0 = "#000000"
+ let s:cterm_color1 = "#c00000"
+ let s:cterm_color2 = "#008000"
+ let s:cterm_color3 = "#804000"
+ let s:cterm_color4 = "#0000c0"
+ let s:cterm_color5 = "#c000c0"
+ let s:cterm_color6 = "#008080"
+ let s:cterm_color7 = "#c0c0c0"
+ let s:cterm_color8 = "#808080"
+ let s:cterm_color9 = "#ff6060"
+ let s:cterm_color10 = "#00ff00"
+ let s:cterm_color11 = "#ffff00"
+ let s:cterm_color12 = "#8080ff"
+ let s:cterm_color13 = "#ff40ff"
+ let s:cterm_color14 = "#00ffff"
+ let s:cterm_color15 = "#ffffff"
+ endif
+endif
+
+" Return good color specification: in GUI no transformation is done, in
+" terminal return RGB values of known colors and empty string on unknown
+if s:whatterm == "gui"
+ function! s:HtmlColor(color)
+ return a:color
+ endfun
+else
+ function! s:HtmlColor(color)
+ if exists("s:cterm_color" . a:color)
+ execute "return s:cterm_color" . a:color
+ else
+ return ""
+ endif
+ endfun
+endif
+
+if !exists("html_use_css")
+ " Return opening HTML tag for given highlight id
+ function! s:HtmlOpening(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, "fg#", s:whatterm))
+ let a = a . '<span 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 style="background-color: ' . x . '">' | 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)
+ 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 != "" | let a = a . '</span>' | endif
+ endif
+ return a
+ 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 . "; " | 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
+
+" Figure out proper MIME charset from the 'encoding' option.
+if exists("html_use_encoding")
+ let s:html_encoding = html_use_encoding
+else
+ let s:vim_encoding = &encoding
+ if s:vim_encoding =~ '^8bit\|^2byte'
+ let s:vim_encoding = substitute(s:vim_encoding, '^8bit-\|^2byte-', '', '')
+ endif
+ if s:vim_encoding == 'latin1'
+ let s:html_encoding = 'iso-8859-1'
+ elseif s:vim_encoding =~ "^cp12"
+ let s:html_encoding = substitute(s:vim_encoding, 'cp', 'windows-', '')
+ elseif s:vim_encoding == 'sjis'
+ let s:html_encoding = 'Shift_JIS'
+ elseif s:vim_encoding == 'euc-cn'
+ let s:html_encoding = 'GB_2312-80'
+ elseif s:vim_encoding == 'euc-tw'
+ let s:html_encoding = ""
+ elseif s:vim_encoding =~ '^euc\|^iso\|^koi'
+ let s:html_encoding = substitute(s:vim_encoding, '.*', '\U\0', '')
+ elseif s:vim_encoding == 'cp949'
+ let s:html_encoding = 'KS_C_5601-1987'
+ elseif s:vim_encoding == 'cp936'
+ let s:html_encoding = 'GBK'
+ elseif s:vim_encoding =~ '^ucs\|^utf'
+ let s:html_encoding = 'UTF-8'
+ else
+ let s:html_encoding = ""
+ endif
+endif
+
+
+" Set some options to make it work faster.
+" Expand tabs in original buffer to get 'tabstop' correctly used.
+" Don't report changes for :substitute, there will be many of them.
+let s:old_title = &title
+let s:old_icon = &icon
+let s:old_et = &l:et
+let s:old_report = &report
+let s:old_search = @/
+set notitle noicon
+setlocal et
+set report=1000000
+
+" Split window to create a buffer with the HTML file.
+let s:orgbufnr = winbufnr(0)
+if expand("%") == ""
+ new Untitled.html
+else
+ new %.html
+endif
+let s:newwin = winnr()
+let s:orgwin = bufwinnr(s:orgbufnr)
+
+set modifiable
+%d
+let s:old_paste = &paste
+set paste
+let s:old_magic = &magic
+set magic
+
+if exists("use_xhtml")
+ exe "normal! a<?xml version=\"1.0\"?>\n\e"
+ let tag_close = '/>'
+else
+ let tag_close = '>'
+endif
+
+" HTML header, with the title and generator ;-). Left free space for the CSS,
+" to be filled at the end.
+exe "normal! a<html>\n<head>\n<title>\e"
+exe "normal! a" . expand("%:p:~") . "</title>\n\e"
+exe "normal! a<meta name=\"Generator\" content=\"Vim/" . v:version/100 . "." . v:version %100 . '"' . tag_close . "\n\e"
+if s:html_encoding != ""
+ exe "normal! a<meta http-equiv=\"content-type\" content=\"text/html; charset=" . s:html_encoding . '"' . tag_close . "\n\e"
+endif
+if exists("html_use_css")
+ exe "normal! a<style type=\"text/css\">\n<!--\n-->\n</style>\n\e"
+endif
+if exists("html_no_pre")
+ exe "normal! a</head>\n<body>\n\e"
+else
+ exe "normal! a</head>\n<body>\n<pre>\n\e"
+endif
+
+exe s:orgwin . "wincmd w"
+
+" List of all id's
+let s:idlist = ","
+
+let s:expandedtab = ' '
+while strlen(s:expandedtab) < &ts
+ let s:expandedtab = s:expandedtab . ' '
+endwhile
+
+" Loop over all lines in the original text.
+" Use html_start_line and html_end_line if they are set.
+if exists("html_start_line")
+ let s:lnum = html_start_line
+ if s:lnum < 1 || s:lnum > line("$")
+ let s:lnum = 1
+ endif
+else
+ let s:lnum = 1
+endif
+if exists("html_end_line")
+ let s:end = html_end_line
+ if s:end < s:lnum || s:end > line("$")
+ let s:end = line("$")
+ endif
+else
+ let s:end = line("$")
+endif
+
+while s:lnum <= s:end
+
+ " Get the current line
+ let s:line = getline(s:lnum)
+ let s:len = strlen(s:line)
+ let s:new = ""
+
+ if s:numblines
+ let s:new = '<span class="lnr">' . strpart(' ', 0, strlen(line("$")) - strlen(s:lnum)) . s:lnum . '</span> '
+ endif
+
+ " Loop over each character in the line
+ let s:col = 1
+ while s:col <= s:len
+ let s:startcol = s:col " The start column for processing text
+ 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
+
+ " Output the text with the same synID, with class set to {s:id_name}
+ let s:id = synIDtrans(s:id)
+ let s:id_name = synIDattr(s:id, "name", s:whatterm)
+ let s:new = s:new . '<span class="' . s:id_name . '">' . substitute(substitute(substitute(substitute(substitute(strpart(s:line, s:startcol - 1, s:col - s:startcol), '&', '\&', 'g'), '<', '\<', 'g'), '>', '\>', 'g'), '"', '\"', 'g'), "\x0c", '<hr class="PAGE-BREAK">', 'g') . '</span>'
+ " Add the class to class list if it's not there yet
+ if stridx(s:idlist, "," . s:id . ",") == -1
+ let s:idlist = s:idlist . s:id . ","
+ endif
+
+ if s:col > s:len
+ break
+ endif
+ endwhile
+
+ " Expand tabs
+ let s:pad=0
+ let s:start = 0
+ let s:idx = stridx(s:line, "\t")
+ while s:idx >= 0
+ let s:i = &ts - ((s:start + s:pad + s:idx) % &ts)
+ let s:new = substitute(s:new, '\t', strpart(s:expandedtab, 0, s:i), '')
+ let s:pad = s:pad + s:i - 1
+ let s:start = s:start + s:idx + 1
+ let s:idx = stridx(strpart(s:line, s:start), "\t")
+ endwhile
+
+ if exists("html_no_pre")
+ if exists("use_xhtml")
+ let s:new = substitute(s:new, ' ', '\ \ ', 'g') . '<br/>'
+ else
+ let s:new = substitute(s:new, ' ', '\ \ ', 'g') . '<br>'
+ endif
+ endif
+ exe s:newwin . "wincmd w"
+ exe "normal! a" . strtrans(s:new) . "\n\e"
+ exe s:orgwin . "wincmd w"
+ let s:lnum = s:lnum + 1
+ +
+endwhile
+" Finish with the last line
+exe s:newwin . "wincmd w"
+if exists("html_no_pre")
+ exe "normal! a\n</body>\n</html>\e"
+else
+ exe "normal! a</pre>\n</body>\n</html>\e"
+endif
+
+
+" Now, when we finally know which, we define the colors and styles
+if exists("html_use_css")
+ 1;/<style type="text/+1
+endif
+
+" Find out the background and foreground color.
+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
+
+" Normal/global attributes
+" For Netscape 4, set <body> attributes too, though, strictly speaking, it's
+" incorrect.
+if exists("html_use_css")
+ if exists("html_no_pre")
+ execute "normal! A\nbody { color: " . s:fgc . "; background-color: " . s:bgc . "; font-family: Courier, monospace; }\e"
+ else
+ execute "normal! A\npre { color: " . s:fgc . "; background-color: " . s:bgc . "; }\e"
+ yank
+ put
+ execute "normal! ^cwbody\e"
+ endif
+else
+ if exists("html_no_pre")
+ execute '%s:<body>:<body ' . 'bgcolor="' . s:bgc . '" text="' . s:fgc . '" style="font-family\: Courier, monospace;">'
+ else
+ execute '%s:<body>:<body ' . 'bgcolor="' . s:bgc . '" text="' . s:fgc . '">'
+ endif
+endif
+
+" Line numbering attributes
+if s:numblines
+ if exists("html_use_css")
+ execute "normal! A\n.lnr { " . s:CSS1(hlID("LineNr")) . "}\e"
+ else
+ execute '%s+<span class="lnr">\([^<]*\)</span>+' . s:HtmlOpening(hlID("LineNr")) . '\1' . s:HtmlClosing(hlID("LineNr")) . '+g'
+ endif
+endif
+
+" Gather attributes for all other classes
+let s:idlist = strpart(s:idlist, 1)
+while s:idlist != ""
+ let s:attr = ""
+ let s:col = stridx(s:idlist, ",")
+ let s:id = strpart(s:idlist, 0, s:col)
+ let s:idlist = strpart(s:idlist, s:col + 1)
+ let s:attr = s:CSS1(s:id)
+ let s:id_name = synIDattr(s:id, "name", s:whatterm)
+ " If the class has some attributes, export the style, otherwise DELETE all
+ " its occurences to make the HTML shorter
+ if s:attr != ""
+ if exists("html_use_css")
+ execute "normal! A\n." . s:id_name . " { " . s:attr . "}"
+ else
+ execute '%s+<span class="' . s:id_name . '">\([^<]*\)</span>+' . s:HtmlOpening(s:id) . '\1' . s:HtmlClosing(s:id) . '+g'
+ endif
+ else
+ execute '%s+<span class="' . s:id_name . '">\([^<]*\)</span>+\1+g'
+ if exists("html_use_css")
+ 1;/<style type="text/+1
+ endif
+ endif
+endwhile
+
+" Add hyperlinks
+%s+\(http://\S\{-}\)\(\([.,;:}]\=\(\s\|$\)\)\|[\\"'<>]\|>\|<\)+<A HREF="\1">\1</A>\2+ge
+
+" The DTD
+if exists("html_use_css")
+ exe "normal! gg0i<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n\e"
+endif
+
+" Cleanup
+%s:\s\+$::e
+
+" Restore old settings
+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
+exe s:orgwin . "wincmd w"
+let &l:et = s:old_et
+exe s:newwin . "wincmd w"
+
+" Save a little bit of memory (worth doing?)
+unlet s:old_et s:old_paste s:old_icon s:old_report s:old_title s:old_search
+unlet s:whatterm s:idlist s:lnum s:end s:fgc s:bgc s:old_magic
+unlet! s:col s:id s:attr s:len s:line s:new s:did_retab s:numblines
+unlet s:orgwin s:newwin s:orgbufnr
+delfunc s:HtmlColor
+delfunc s:CSS1
+if !exists("html_use_css")
+ delfunc s:HtmlOpening
+ delfunc s:HtmlClosing
+endif