527 lines
16 KiB
VimL
527 lines
16 KiB
VimL
" Vim syntax support file
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" Maintainer: Bram Moolenaar <Bram@vim.org>
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" Last Change: 2005 Feb 26
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" (modified by David Ne\v{c}as (Yeti) <yeti@physics.muni.cz>)
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" (XHTML support by Panagiotis Issaris <takis@lumumba.luc.ac.be>)
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" Transform a file into HTML, using the current syntax highlighting.
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" Number lines when explicitely requested or when `number' is set
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if exists("html_number_lines")
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let s:numblines = html_number_lines
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else
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let s:numblines = &number
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endif
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" When not in gui we can only guess the colors.
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if has("gui_running")
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let s:whatterm = "gui"
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else
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let s:whatterm = "cterm"
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if &t_Co == 8
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let s:cterm_color0 = "#808080"
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let s:cterm_color1 = "#ff6060"
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let s:cterm_color2 = "#00ff00"
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let s:cterm_color3 = "#ffff00"
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let s:cterm_color4 = "#8080ff"
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let s:cterm_color5 = "#ff40ff"
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let s:cterm_color6 = "#00ffff"
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let s:cterm_color7 = "#ffffff"
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else
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let s:cterm_color0 = "#000000"
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let s:cterm_color1 = "#c00000"
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let s:cterm_color2 = "#008000"
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let s:cterm_color3 = "#804000"
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let s:cterm_color4 = "#0000c0"
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let s:cterm_color5 = "#c000c0"
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let s:cterm_color6 = "#008080"
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let s:cterm_color7 = "#c0c0c0"
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let s:cterm_color8 = "#808080"
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let s:cterm_color9 = "#ff6060"
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let s:cterm_color10 = "#00ff00"
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let s:cterm_color11 = "#ffff00"
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let s:cterm_color12 = "#8080ff"
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let s:cterm_color13 = "#ff40ff"
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let s:cterm_color14 = "#00ffff"
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let s:cterm_color15 = "#ffffff"
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endif
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endif
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" Return good color specification: in GUI no transformation is done, in
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" terminal return RGB values of known colors and empty string on unknown
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if s:whatterm == "gui"
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function! s:HtmlColor(color)
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return a:color
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endfun
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else
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function! s:HtmlColor(color)
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if exists("s:cterm_color" . a:color)
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execute "return s:cterm_color" . a:color
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else
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return ""
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endif
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endfun
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endif
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if !exists("html_use_css")
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" Return opening HTML tag for given highlight id
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function! s:HtmlOpening(id)
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let a = ""
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if synIDattr(a:id, "inverse")
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" For inverse, we always must set both colors (and exchange them)
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let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
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let a = a . '<span style="background-color: ' . ( x != "" ? x : s:fgc ) . '">'
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let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
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let a = a . '<font color="' . ( x != "" ? x : s:bgc ) . '">'
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else
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let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
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if x != "" | let a = a . '<span style="background-color: ' . x . '">' | endif
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let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
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if x != "" | let a = a . '<font color="' . x . '">' | endif
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endif
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if synIDattr(a:id, "bold") | let a = a . "<b>" | endif
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if synIDattr(a:id, "italic") | let a = a . "<i>" | endif
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if synIDattr(a:id, "underline") | let a = a . "<u>" | endif
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return a
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endfun
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" Return closing HTML tag for given highlight id
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function s:HtmlClosing(id)
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let a = ""
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if synIDattr(a:id, "underline") | let a = a . "</u>" | endif
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if synIDattr(a:id, "italic") | let a = a . "</i>" | endif
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if synIDattr(a:id, "bold") | let a = a . "</b>" | endif
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if synIDattr(a:id, "inverse")
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let a = a . '</font></span>'
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else
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let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
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if x != "" | let a = a . '</font>' | endif
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let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
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if x != "" | let a = a . '</span>' | endif
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endif
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return a
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endfun
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endif
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" Return HTML valid characters enclosed in a span of class style_name with
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" unprintable characters expanded and double spaces replaced as necessary.
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function! s:HtmlFormat(text, style_name)
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" Replace unprintable characters
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let formatted = strtrans(a:text)
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" Replace the reserved html characters
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let formatted = substitute(substitute(substitute(substitute(substitute(formatted, '&', '\&', 'g'), '<', '\<', 'g'), '>', '\>', 'g'), '"', '\"', 'g'), "\x0c", '<hr class="PAGE-BREAK">', 'g')
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" Replace double spaces
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if ' ' != s:HtmlSpace
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let formatted = substitute(formatted, ' ', s:HtmlSpace . s:HtmlSpace, 'g')
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endif
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" Enclose in a span of class style_name
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let formatted = '<span class="' . a:style_name . '">' . formatted . '</span>'
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" Add the class to class list if it's not there yet
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let s:id = hlID(a:style_name)
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if stridx(s:idlist, "," . s:id . ",") == -1
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let s:idlist = s:idlist . s:id . ","
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endif
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return formatted
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endfun
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" Return CSS style describing given highlight id (can be empty)
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function! s:CSS1(id)
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let a = ""
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if synIDattr(a:id, "inverse")
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" For inverse, we always must set both colors (and exchange them)
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let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
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let a = a . "color: " . ( x != "" ? x : s:bgc ) . "; "
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let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
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let a = a . "background-color: " . ( x != "" ? x : s:fgc ) . "; "
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else
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let x = s:HtmlColor(synIDattr(a:id, "fg#", s:whatterm))
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if x != "" | let a = a . "color: " . x . "; " | endif
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let x = s:HtmlColor(synIDattr(a:id, "bg#", s:whatterm))
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if x != "" | let a = a . "background-color: " . x . "; " | endif
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endif
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if synIDattr(a:id, "bold") | let a = a . "font-weight: bold; " | endif
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if synIDattr(a:id, "italic") | let a = a . "font-style: italic; " | endif
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if synIDattr(a:id, "underline") | let a = a . "text-decoration: underline; " | endif
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return a
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endfun
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" Figure out proper MIME charset from the 'encoding' option.
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if exists("html_use_encoding")
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let s:html_encoding = html_use_encoding
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else
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let s:vim_encoding = &encoding
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if s:vim_encoding =~ '^8bit\|^2byte'
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let s:vim_encoding = substitute(s:vim_encoding, '^8bit-\|^2byte-', '', '')
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endif
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if s:vim_encoding == 'latin1'
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let s:html_encoding = 'iso-8859-1'
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elseif s:vim_encoding =~ "^cp12"
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let s:html_encoding = substitute(s:vim_encoding, 'cp', 'windows-', '')
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elseif s:vim_encoding == 'sjis'
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let s:html_encoding = 'Shift_JIS'
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elseif s:vim_encoding == 'euc-cn'
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let s:html_encoding = 'GB_2312-80'
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elseif s:vim_encoding == 'euc-tw'
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let s:html_encoding = ""
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elseif s:vim_encoding =~ '^euc\|^iso\|^koi'
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let s:html_encoding = substitute(s:vim_encoding, '.*', '\U\0', '')
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elseif s:vim_encoding == 'cp949'
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let s:html_encoding = 'KS_C_5601-1987'
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elseif s:vim_encoding == 'cp936'
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let s:html_encoding = 'GBK'
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elseif s:vim_encoding =~ '^ucs\|^utf'
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let s:html_encoding = 'UTF-8'
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else
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let s:html_encoding = ""
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endif
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endif
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" Set some options to make it work faster.
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" Don't report changes for :substitute, there will be many of them.
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let s:old_title = &title
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let s:old_icon = &icon
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let s:old_et = &l:et
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let s:old_report = &report
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let s:old_search = @/
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set notitle noicon
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setlocal et
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set report=1000000
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" Split window to create a buffer with the HTML file.
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let s:orgbufnr = winbufnr(0)
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if expand("%") == ""
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new Untitled.html
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else
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new %.html
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endif
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let s:newwin = winnr()
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let s:orgwin = bufwinnr(s:orgbufnr)
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set modifiable
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%d
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let s:old_paste = &paste
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set paste
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let s:old_magic = &magic
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set magic
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if exists("use_xhtml")
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if s:html_encoding != ""
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exe "normal! a<?xml version=\"1.0\" encoding=\"" . s:html_encoding . "\"?>\n\e"
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else
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exe "normal! a<?xml version=\"1.0\"?>\n\e"
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endif
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let s:tag_close = '/>'
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else
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let s:tag_close = '>'
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endif
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let s:HtmlSpace = ' '
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let s:HtmlEndline = ''
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if exists("html_no_pre")
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let s:HtmlEndline = '<br' . s:tag_close
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if exists("use_xhtml")
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let s:HtmlSpace = '\ '
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else
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let s:HtmlSpace = '\ '
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endif
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endif
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" HTML header, with the title and generator ;-). Left free space for the CSS,
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" to be filled at the end.
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exe "normal! a<html>\n\e"
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exe "normal! a<head>\n<title>" . expand("%:p:~") . "</title>\n\e"
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exe "normal! a<meta name=\"Generator\" content=\"Vim/" . v:version/100 . "." . v:version %100 . '"' . s:tag_close . "\n\e"
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if s:html_encoding != ""
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exe "normal! a<meta http-equiv=\"content-type\" content=\"text/html; charset=" . s:html_encoding . '"' . s:tag_close . "\n\e"
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endif
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if exists("html_use_css")
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exe "normal! a<style type=\"text/css\">\n<!--\n-->\n</style>\n\e"
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endif
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if exists("html_no_pre")
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exe "normal! a</head>\n<body>\n\e"
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else
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exe "normal! a</head>\n<body>\n<pre>\n\e"
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endif
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exe s:orgwin . "wincmd w"
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" List of all id's
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let s:idlist = ","
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" Loop over all lines in the original text.
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" Use html_start_line and html_end_line if they are set.
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if exists("html_start_line")
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let s:lnum = html_start_line
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if s:lnum < 1 || s:lnum > line("$")
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let s:lnum = 1
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endif
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else
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let s:lnum = 1
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endif
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if exists("html_end_line")
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let s:end = html_end_line
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if s:end < s:lnum || s:end > line("$")
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let s:end = line("$")
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endif
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else
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let s:end = line("$")
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endif
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if has('folding')
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let s:foldfillchar = &fillchars[matchend(&fillchars, 'fold:')]
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if s:foldfillchar == ''
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let s:foldfillchar = '-'
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endif
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endif
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let s:difffillchar = &fillchars[matchend(&fillchars, 'diff:')]
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if s:difffillchar == ''
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let s:difffillchar = '-'
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endif
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while s:lnum <= s:end
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" If there are filler lines for diff mode, show these above the line.
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let s:filler = diff_filler(s:lnum)
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if s:filler > 0
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let s:n = s:filler
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while s:n > 0
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if s:numblines
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" Indent if line numbering is on
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let s:new = repeat(' ', strlen(s:end) + 1) . repeat(s:difffillchar, 3)
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else
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let s:new = repeat(s:difffillchar, 3)
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endif
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if s:n > 2 && s:n < s:filler && !exists("html_whole_filler")
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let s:new = s:new . " " . s:filler . " inserted lines "
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let s:n = 2
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endif
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if !exists("html_no_pre")
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" HTML line wrapping is off--go ahead and fill to the margin
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let s:new = s:new . repeat(s:difffillchar, &columns - strlen(s:new))
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endif
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let s:new = s:HtmlFormat(s:new, "DiffDelete")
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exe s:newwin . "wincmd w"
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exe "normal! a" . s:new . s:HtmlEndline . "\n\e"
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exe s:orgwin . "wincmd w"
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let s:n = s:n - 1
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endwhile
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unlet s:n
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endif
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unlet s:filler
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" Start the line with the line number.
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if s:numblines
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let s:new = repeat(' ', strlen(s:end) - strlen(s:lnum)) . s:lnum . ' '
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else
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let s:new = ""
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endif
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if has('folding') && foldclosed(s:lnum) > -1
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"
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" This is the beginning of a folded block
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"
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let s:new = s:new . foldtextresult(s:lnum)
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if !exists("html_no_pre")
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" HTML line wrapping is off--go ahead and fill to the margin
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let s:new = s:new . repeat(s:foldfillchar, &columns - strlen(s:new))
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endif
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let s:new = s:HtmlFormat(s:new, "Folded")
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" Skip to the end of the fold
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let s:lnum = foldclosedend(s:lnum)
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else
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"
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" A line that is not folded.
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"
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let s:line = getline(s:lnum)
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let s:len = strlen(s:line)
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if s:numblines
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let s:new = '<span class="lnr">' . s:new . '</span>'
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endif
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" Get the diff attribute, if any.
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let s:diffattr = diff_hlID(s:lnum, 1)
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" Loop over each character in the line
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let s:col = 1
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while s:col <= s:len || (s:col == 1 && s:diffattr)
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let s:startcol = s:col " The start column for processing text
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if s:diffattr
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let s:id = diff_hlID(s:lnum, s:col)
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let s:col = s:col + 1
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" Speed loop (it's small - that's the trick)
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" Go along till we find a change in hlID
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while s:col <= s:len && s:id == diff_hlID(s:lnum, s:col) | let s:col = s:col + 1 | endwhile
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if s:len < &columns && !exists("html_no_pre")
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" Add spaces at the end to mark the changed line.
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let s:line = s:line . repeat(' ', &columns - s:len)
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let s:len = &columns
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endif
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else
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let s:id = synID(s:lnum, s:col, 1)
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let s:col = s:col + 1
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" Speed loop (it's small - that's the trick)
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" Go along till we find a change in synID
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while s:col <= s:len && s:id == synID(s:lnum, s:col, 1) | let s:col = s:col + 1 | endwhile
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endif
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" Expand tabs
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let s:expandedtab = strpart(s:line, s:startcol - 1, s:col - s:startcol)
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let idx = stridx(s:expandedtab, "\t")
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while idx >= 0
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let i = &ts - ((idx + s:startcol - 1) % &ts)
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let s:expandedtab = substitute(s:expandedtab, '\t', repeat(' ', i), '')
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let idx = stridx(s:expandedtab, "\t")
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endwhile
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" Output the text with the same synID, with class set to {s:id_name}
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let s:id = synIDtrans(s:id)
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let s:id_name = synIDattr(s:id, "name", s:whatterm)
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let s:new = s:new . s:HtmlFormat(s:expandedtab, s:id_name)
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endwhile
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endif
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exe s:newwin . "wincmd w"
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exe "normal! a" . s:new . s:HtmlEndline . "\n\e"
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exe s:orgwin . "wincmd w"
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let s:lnum = s:lnum + 1
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endwhile
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" Finish with the last line
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exe s:newwin . "wincmd w"
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if exists("html_no_pre")
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exe "normal! a\n</body>\n</html>\e"
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else
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exe "normal! a</pre>\n</body>\n</html>\e"
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endif
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" Now, when we finally know which, we define the colors and styles
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if exists("html_use_css")
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1;/<style type="text/+1
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endif
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" Find out the background and foreground color.
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let s:fgc = s:HtmlColor(synIDattr(hlID("Normal"), "fg#", s:whatterm))
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let s:bgc = s:HtmlColor(synIDattr(hlID("Normal"), "bg#", s:whatterm))
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if s:fgc == ""
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let s:fgc = ( &background == "dark" ? "#ffffff" : "#000000" )
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endif
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if s:bgc == ""
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let s:bgc = ( &background == "dark" ? "#000000" : "#ffffff" )
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endif
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" Normal/global attributes
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" For Netscape 4, set <body> attributes too, though, strictly speaking, it's
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" incorrect.
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if exists("html_use_css")
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if exists("html_no_pre")
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execute "normal! A\nbody { color: " . s:fgc . "; background-color: " . s:bgc . "; font-family: Courier, monospace; }\e"
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else
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execute "normal! A\npre { color: " . s:fgc . "; background-color: " . s:bgc . "; }\e"
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yank
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put
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execute "normal! ^cwbody\e"
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endif
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else
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if exists("html_no_pre")
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execute '%s:<body>:<body ' . 'bgcolor="' . s:bgc . '" text="' . s:fgc . '" style="font-family\: Courier, monospace;">'
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else
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execute '%s:<body>:<body ' . 'bgcolor="' . s:bgc . '" text="' . s:fgc . '">'
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endif
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endif
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" Line numbering attributes
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if s:numblines
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if exists("html_use_css")
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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+\(https\=://\S\{-}\)\(\([.,;:}]\=\(\s\|$\)\)\|[\\"'<>]\|>\|<\|"\)+<a href="\1">\1</a>\2+ge
|
|
|
|
" The DTD
|
|
if exists("html_use_css")
|
|
if exists("use_xhtml")
|
|
exe "normal! gg$a\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\e"
|
|
else
|
|
exe "normal! gg0i<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n\e"
|
|
endif
|
|
endif
|
|
|
|
if exists("use_xhtml")
|
|
exe "normal! gg/<html/e\na xmlns=\"http://www.w3.org/1999/xhtml\"\e"
|
|
endif
|
|
|
|
" Cleanup
|
|
%s:\s\+$::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:expandedtab s:numblines
|
|
unlet s:orgwin s:newwin s:orgbufnr
|
|
if !v:profiling
|
|
delfunc s:HtmlColor
|
|
delfunc s:HtmlFormat
|
|
delfunc s:CSS1
|
|
if !exists("html_use_css")
|
|
delfunc s:HtmlOpening
|
|
delfunc s:HtmlClosing
|
|
endif
|
|
endif
|
|
silent! unlet s:diffattr s:difffillchar s:foldfillchar s:HtmlSpace s:HtmlEndline
|