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+" Vim autoload file for the tohtml plugin.
+" Maintainer: Ben Fritz <fritzophrenic@gmail.com>
+" Last Change: 2011 Jan 05
+"
+" Additional contributors:
+"
+" Original by Bram Moolenaar <Bram@vim.org>
+" Diff2HTML() added by Christian Brabandt <cb@256bit.org>
+"
+" See Mercurial change logs for more!
+
+" this file uses line continuations
+let s:cpo_sav = &cpo
+set cpo-=C
+
+" Automatically find charsets from all encodings supported natively by Vim. With
+" the 8bit- and 2byte- prefixes, Vim can actually support more encodings than
+" this. Let the user specify these however since they won't be supported on
+" every system. TODO: how? g:html_charsets and g:html_encodings?
+"
+" Note, not all of Vim's supported encodings have a charset to use.
+"
+" Names in this list are from:
+" http://www.iana.org/assignments/character-sets
+" g:tohtml#encoding_to_charset: {{{
+let g:tohtml#encoding_to_charset = {
+ \ 'latin1' : 'ISO-8859-1',
+ \ 'iso-8859-2' : 'ISO-8859-2',
+ \ 'iso-8859-3' : 'ISO-8859-3',
+ \ 'iso-8859-4' : 'ISO-8859-4',
+ \ 'iso-8859-5' : 'ISO-8859-5',
+ \ 'iso-8859-6' : 'ISO-8859-6',
+ \ 'iso-8859-7' : 'ISO-8859-7',
+ \ 'iso-8859-8' : 'ISO-8859-8',
+ \ 'iso-8859-9' : 'ISO-8859-9',
+ \ 'iso-8859-10' : '',
+ \ 'iso-8859-13' : 'ISO-8859-13',
+ \ 'iso-8859-14' : '',
+ \ 'iso-8859-15' : 'ISO-8859-15',
+ \ 'koi8-r' : 'KOI8-R',
+ \ 'koi8-u' : 'KOI8-U',
+ \ 'macroman' : 'macintosh',
+ \ 'cp437' : '',
+ \ 'cp775' : '',
+ \ 'cp850' : '',
+ \ 'cp852' : '',
+ \ 'cp855' : '',
+ \ 'cp857' : '',
+ \ 'cp860' : '',
+ \ 'cp861' : '',
+ \ 'cp862' : '',
+ \ 'cp863' : '',
+ \ 'cp865' : '',
+ \ 'cp866' : 'IBM866',
+ \ 'cp869' : '',
+ \ 'cp874' : '',
+ \ 'cp1250' : 'windows-1250',
+ \ 'cp1251' : 'windows-1251',
+ \ 'cp1253' : 'windows-1253',
+ \ 'cp1254' : 'windows-1254',
+ \ 'cp1255' : 'windows-1255',
+ \ 'cp1256' : 'windows-1256',
+ \ 'cp1257' : 'windows-1257',
+ \ 'cp1258' : 'windows-1258',
+ \ 'euc-jp' : 'EUC-JP',
+ \ 'sjis' : 'Shift_JIS',
+ \ 'cp932' : 'Shift_JIS',
+ \ 'cp949' : '',
+ \ 'euc-kr' : 'EUC-KR',
+ \ 'cp936' : 'GBK',
+ \ 'euc-cn' : 'GB2312',
+ \ 'big5' : 'Big5',
+ \ 'cp950' : 'Big5',
+ \ 'utf-8' : 'UTF-8',
+ \ 'ucs-2' : 'UTF-8',
+ \ 'ucs-2le' : 'UTF-8',
+ \ 'utf-16' : 'UTF-8',
+ \ 'utf-16le' : 'UTF-8',
+ \ 'ucs-4' : 'UTF-8',
+ \ 'ucs-4le' : 'UTF-8',
+ \ }
+lockvar g:tohtml#encoding_to_charset
+" Notes:
+" 1. All UCS/UTF are converted to UTF-8 because it is much better supported
+" 2. Any blank spaces are there because Vim supports it but at least one major
+" web browser does not according to http://wiki.whatwg.org/wiki/Web_Encodings.
+" }}}
+
+" Only automatically find encodings supported natively by Vim, let the user
+" specify the encoding if it's not natively supported. This function is only
+" used when the user specifies the charset, they better know what they are
+" doing!
+"
+" Names in this list are from:
+" http://www.iana.org/assignments/character-sets
+" g:tohtml#charset_to_encoding: {{{
+let g:tohtml#charset_to_encoding = {
+ \ 'iso_8859-1:1987' : 'latin1',
+ \ 'iso-ir-100' : 'latin1',
+ \ 'iso_8859-1' : 'latin1',
+ \ 'iso-8859-1' : 'latin1',
+ \ 'latin1' : 'latin1',
+ \ 'l1' : 'latin1',
+ \ 'ibm819' : 'latin1',
+ \ 'cp819' : 'latin1',
+ \ 'csisolatin1' : 'latin1',
+ \ 'iso_8859-2:1987' : 'iso-8859-2',
+ \ 'iso-ir-101' : 'iso-8859-2',
+ \ 'iso_8859-2' : 'iso-8859-2',
+ \ 'iso-8859-2' : 'iso-8859-2',
+ \ 'latin2' : 'iso-8859-2',
+ \ 'l2' : 'iso-8859-2',
+ \ 'csisolatin2' : 'iso-8859-2',
+ \ 'iso_8859-3:1988' : 'iso-8859-3',
+ \ 'iso-ir-109' : 'iso-8859-3',
+ \ 'iso_8859-3' : 'iso-8859-3',
+ \ 'iso-8859-3' : 'iso-8859-3',
+ \ 'latin3' : 'iso-8859-3',
+ \ 'l3' : 'iso-8859-3',
+ \ 'csisolatin3' : 'iso-8859-3',
+ \ 'iso_8859-4:1988' : 'iso-8859-4',
+ \ 'iso-ir-110' : 'iso-8859-4',
+ \ 'iso_8859-4' : 'iso-8859-4',
+ \ 'iso-8859-4' : 'iso-8859-4',
+ \ 'latin4' : 'iso-8859-4',
+ \ 'l4' : 'iso-8859-4',
+ \ 'csisolatin4' : 'iso-8859-4',
+ \ 'iso_8859-5:1988' : 'iso-8859-5',
+ \ 'iso-ir-144' : 'iso-8859-5',
+ \ 'iso_8859-5' : 'iso-8859-5',
+ \ 'iso-8859-5' : 'iso-8859-5',
+ \ 'cyrillic' : 'iso-8859-5',
+ \ 'csisolatincyrillic' : 'iso-8859-5',
+ \ 'iso_8859-6:1987' : 'iso-8859-6',
+ \ 'iso-ir-127' : 'iso-8859-6',
+ \ 'iso_8859-6' : 'iso-8859-6',
+ \ 'iso-8859-6' : 'iso-8859-6',
+ \ 'ecma-114' : 'iso-8859-6',
+ \ 'asmo-708' : 'iso-8859-6',
+ \ 'arabic' : 'iso-8859-6',
+ \ 'csisolatinarabic' : 'iso-8859-6',
+ \ 'iso_8859-7:1987' : 'iso-8859-7',
+ \ 'iso-ir-126' : 'iso-8859-7',
+ \ 'iso_8859-7' : 'iso-8859-7',
+ \ 'iso-8859-7' : 'iso-8859-7',
+ \ 'elot_928' : 'iso-8859-7',
+ \ 'ecma-118' : 'iso-8859-7',
+ \ 'greek' : 'iso-8859-7',
+ \ 'greek8' : 'iso-8859-7',
+ \ 'csisolatingreek' : 'iso-8859-7',
+ \ 'iso_8859-8:1988' : 'iso-8859-8',
+ \ 'iso-ir-138' : 'iso-8859-8',
+ \ 'iso_8859-8' : 'iso-8859-8',
+ \ 'iso-8859-8' : 'iso-8859-8',
+ \ 'hebrew' : 'iso-8859-8',
+ \ 'csisolatinhebrew' : 'iso-8859-8',
+ \ 'iso_8859-9:1989' : 'iso-8859-9',
+ \ 'iso-ir-148' : 'iso-8859-9',
+ \ 'iso_8859-9' : 'iso-8859-9',
+ \ 'iso-8859-9' : 'iso-8859-9',
+ \ 'latin5' : 'iso-8859-9',
+ \ 'l5' : 'iso-8859-9',
+ \ 'csisolatin5' : 'iso-8859-9',
+ \ 'iso-8859-10' : 'iso-8859-10',
+ \ 'iso-ir-157' : 'iso-8859-10',
+ \ 'l6' : 'iso-8859-10',
+ \ 'iso_8859-10:1992' : 'iso-8859-10',
+ \ 'csisolatin6' : 'iso-8859-10',
+ \ 'latin6' : 'iso-8859-10',
+ \ 'iso-8859-13' : 'iso-8859-13',
+ \ 'iso-8859-14' : 'iso-8859-14',
+ \ 'iso-ir-199' : 'iso-8859-14',
+ \ 'iso_8859-14:1998' : 'iso-8859-14',
+ \ 'iso_8859-14' : 'iso-8859-14',
+ \ 'latin8' : 'iso-8859-14',
+ \ 'iso-celtic' : 'iso-8859-14',
+ \ 'l8' : 'iso-8859-14',
+ \ 'iso-8859-15' : 'iso-8859-15',
+ \ 'iso_8859-15' : 'iso-8859-15',
+ \ 'latin-9' : 'iso-8859-15',
+ \ 'koi8-r' : 'koi8-r',
+ \ 'cskoi8r' : 'koi8-r',
+ \ 'koi8-u' : 'koi8-u',
+ \ 'macintosh' : 'macroman',
+ \ 'mac' : 'macroman',
+ \ 'csmacintosh' : 'macroman',
+ \ 'ibm437' : 'cp437',
+ \ 'cp437' : 'cp437',
+ \ '437' : 'cp437',
+ \ 'cspc8codepage437' : 'cp437',
+ \ 'ibm775' : 'cp775',
+ \ 'cp775' : 'cp775',
+ \ 'cspc775baltic' : 'cp775',
+ \ 'ibm850' : 'cp850',
+ \ 'cp850' : 'cp850',
+ \ '850' : 'cp850',
+ \ 'cspc850multilingual' : 'cp850',
+ \ 'ibm852' : 'cp852',
+ \ 'cp852' : 'cp852',
+ \ '852' : 'cp852',
+ \ 'cspcp852' : 'cp852',
+ \ 'ibm855' : 'cp855',
+ \ 'cp855' : 'cp855',
+ \ '855' : 'cp855',
+ \ 'csibm855' : 'cp855',
+ \ 'ibm857' : 'cp857',
+ \ 'cp857' : 'cp857',
+ \ '857' : 'cp857',
+ \ 'csibm857' : 'cp857',
+ \ 'ibm860' : 'cp860',
+ \ 'cp860' : 'cp860',
+ \ '860' : 'cp860',
+ \ 'csibm860' : 'cp860',
+ \ 'ibm861' : 'cp861',
+ \ 'cp861' : 'cp861',
+ \ '861' : 'cp861',
+ \ 'cp-is' : 'cp861',
+ \ 'csibm861' : 'cp861',
+ \ 'ibm862' : 'cp862',
+ \ 'cp862' : 'cp862',
+ \ '862' : 'cp862',
+ \ 'cspc862latinhebrew' : 'cp862',
+ \ 'ibm863' : 'cp863',
+ \ 'cp863' : 'cp863',
+ \ '863' : 'cp863',
+ \ 'csibm863' : 'cp863',
+ \ 'ibm865' : 'cp865',
+ \ 'cp865' : 'cp865',
+ \ '865' : 'cp865',
+ \ 'csibm865' : 'cp865',
+ \ 'ibm866' : 'cp866',
+ \ 'cp866' : 'cp866',
+ \ '866' : 'cp866',
+ \ 'csibm866' : 'cp866',
+ \ 'ibm869' : 'cp869',
+ \ 'cp869' : 'cp869',
+ \ '869' : 'cp869',
+ \ 'cp-gr' : 'cp869',
+ \ 'csibm869' : 'cp869',
+ \ 'windows-1250' : 'cp1250',
+ \ 'windows-1251' : 'cp1251',
+ \ 'windows-1253' : 'cp1253',
+ \ 'windows-1254' : 'cp1254',
+ \ 'windows-1255' : 'cp1255',
+ \ 'windows-1256' : 'cp1256',
+ \ 'windows-1257' : 'cp1257',
+ \ 'windows-1258' : 'cp1258',
+ \ 'extended_unix_code_packed_format_for_japanese' : 'euc-jp',
+ \ 'cseucpkdfmtjapanese' : 'euc-jp',
+ \ 'euc-jp' : 'euc-jp',
+ \ 'shift_jis' : 'sjis',
+ \ 'ms_kanji' : 'sjis',
+ \ 'sjis' : 'sjis',
+ \ 'csshiftjis' : 'sjis',
+ \ 'ibm-thai' : 'cp874',
+ \ 'csibmthai' : 'cp874',
+ \ 'ks_c_5601-1987' : 'cp949',
+ \ 'iso-ir-149' : 'cp949',
+ \ 'ks_c_5601-1989' : 'cp949',
+ \ 'ksc_5601' : 'cp949',
+ \ 'korean' : 'cp949',
+ \ 'csksc56011987' : 'cp949',
+ \ 'euc-kr' : 'euc-kr',
+ \ 'cseuckr' : 'euc-kr',
+ \ 'gbk' : 'cp936',
+ \ 'cp936' : 'cp936',
+ \ 'ms936' : 'cp936',
+ \ 'windows-936' : 'cp936',
+ \ 'gb_2312-80' : 'euc-cn',
+ \ 'iso-ir-58' : 'euc-cn',
+ \ 'chinese' : 'euc-cn',
+ \ 'csiso58gb231280' : 'euc-cn',
+ \ 'big5' : 'big5',
+ \ 'csbig5' : 'big5',
+ \ 'utf-8' : 'utf-8',
+ \ 'iso-10646-ucs-2' : 'ucs-2',
+ \ 'csunicode' : 'ucs-2',
+ \ 'utf-16' : 'utf-16',
+ \ 'utf-16be' : 'utf-16',
+ \ 'utf-16le' : 'utf-16le',
+ \ 'utf-32' : 'ucs-4',
+ \ 'utf-32be' : 'ucs-4',
+ \ 'utf-32le' : 'ucs-4le',
+ \ 'iso-10646-ucs-4' : 'ucs-4',
+ \ 'csucs4' : 'ucs-4'
+ \ }
+lockvar g:tohtml#charset_to_encoding
+"}}}
+
+func! tohtml#Convert2HTML(line1, line2) "{{{
+ let s:settings = tohtml#GetUserSettings()
+
+ if !&diff || s:settings.diff_one_file "{{{
+ if a:line2 >= a:line1
+ let g:html_start_line = a:line1
+ let g:html_end_line = a:line2
+ else
+ let g:html_start_line = a:line2
+ let g:html_end_line = a:line1
+ endif
+ runtime syntax/2html.vim "}}}
+ else "{{{
+ let win_list = []
+ let buf_list = []
+ windo | if &diff | call add(win_list, winbufnr(0)) | endif
+ let s:settings.whole_filler = 1
+ let g:html_diff_win_num = 0
+ for window in win_list
+ " switch to the next buffer to convert
+ exe ":" . bufwinnr(window) . "wincmd w"
+
+ " figure out whether current charset and encoding will work, if not
+ " default to UTF-8
+ if !exists('g:html_use_encoding') &&
+ \ (&l:fileencoding!='' && &l:fileencoding!=s:settings.vim_encoding ||
+ \ &l:fileencoding=='' && &encoding!=s:settings.vim_encoding)
+ echohl WarningMsg
+ echomsg "TOhtml: mismatched file encodings in Diff buffers, using UTF-8"
+ echohl None
+ let s:settings.vim_encoding = 'utf-8'
+ let s:settings.encoding = 'UTF-8'
+ endif
+
+ " set up for diff-mode conversion
+ let g:html_start_line = 1
+ let g:html_end_line = line('$')
+ let g:html_diff_win_num += 1
+
+ " convert this file
+ runtime syntax/2html.vim
+
+ " remember the HTML buffer for later combination
+ call add(buf_list, bufnr('%'))
+ endfor
+ unlet g:html_diff_win_num
+ call tohtml#Diff2HTML(win_list, buf_list)
+ endif "}}}
+
+ unlet g:html_start_line
+ unlet g:html_end_line
+ unlet s:settings
+endfunc "}}}
+
+func! tohtml#Diff2HTML(win_list, buf_list) "{{{
+ let xml_line = ""
+ let tag_close = '>'
+
+ let s:old_paste = &paste
+ set paste
+ let s:old_magic = &magic
+ set magic
+
+ if s:settings.use_xhtml
+ if s:settings.encoding != ""
+ let xml_line = "<?xml version=\"1.0\" encoding=\"" . s:settings.encoding . "\"?>"
+ else
+ let xml_line = "<?xml version=\"1.0\"?>"
+ endif
+ let tag_close = ' />'
+ endif
+
+ let style = [s:settings.use_xhtml ? "" : '-->']
+ let body_line = ''
+
+ let html = []
+ if s:settings.use_xhtml
+ call add(html, xml_line)
+ endif
+ if s:settings.use_xhtml
+ call add(html, "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">")
+ call add(html, '<html xmlns="http://www.w3.org/1999/xhtml">')
+ elseif s:settings.use_css && !s:settings.no_pre
+ call add(html, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">")
+ call add(html, '<html>')
+ else
+ call add(html, '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"')
+ call add(html, ' "http://www.w3.org/TR/html4/loose.dtd">')
+ call add(html, '<html>')
+ endif
+ call add(html, '<head>')
+
+ " include encoding as close to the top as possible, but only if not already
+ " contained in XML information
+ if s:settings.encoding != "" && !s:settings.use_xhtml
+ call add(html, "<meta http-equiv=\"content-type\" content=\"text/html; charset=" . s:settings.encoding . '"' . tag_close)
+ endif
+
+ call add(html, '<title>diff</title>')
+ call add(html, '<meta name="Generator" content="Vim/'.v:version/100.'.'.v:version%100.'"'.tag_close)
+ call add(html, '<meta name="plugin-version" content="'.g:loaded_2html_plugin.'"'.tag_close)
+ call add(html, '<meta name="settings" content="'.
+ \ join(filter(keys(s:settings),'s:settings[v:val]'),',').
+ \ '"'.tag_close)
+
+ call add(html, '</head>')
+ let body_line_num = len(html)
+ call add(html, '<body>')
+ call add(html, '<table border="1" width="100%">')
+
+ call add(html, '<tr>')
+ for buf in a:win_list
+ call add(html, '<th>'.bufname(buf).'</th>')
+ endfor
+ call add(html, '</tr><tr>')
+
+ let diff_style_start = 0
+ let insert_index = 0
+
+ for buf in a:buf_list
+ let temp = []
+ exe bufwinnr(buf) . 'wincmd w'
+
+ " If text is folded because of user foldmethod settings, etc. we don't want
+ " to act on everything in a fold by mistake.
+ setlocal nofoldenable
+
+ " When not using CSS or when using xhtml, the <body> line can be important.
+ " Assume it will be the same for all buffers and grab it from the first
+ " buffer. Similarly, need to grab the body end line as well.
+ if body_line == ''
+ 1
+ call search('<body')
+ let body_line = getline('.')
+ $
+ call search('</body>', 'b')
+ let s:body_end_line = getline('.')
+ endif
+
+ " Grab the style information. Some of this will be duplicated so only insert
+ " it if it's not already there. {{{
+ 1
+ let style_start = search('^<style type="text/css">')
+ 1
+ let style_end = search('^</style>')
+ if style_start > 0 && style_end > 0
+ let buf_styles = getline(style_start + 1, style_end - 1)
+ for a_style in buf_styles
+ if index(style, a_style) == -1
+ if diff_style_start == 0
+ if a_style =~ '\<Diff\(Change\|Text\|Add\|Delete\)'
+ let diff_style_start = len(style)-1
+ endif
+ endif
+ call insert(style, a_style, insert_index)
+ let insert_index += 1
+ endif
+ endfor
+ endif " }}}
+
+ " everything new will get added before the diff styles so diff highlight
+ " properly overrides normal highlight
+ if diff_style_start != 0
+ let insert_index = diff_style_start
+ endif
+
+ " Delete those parts that are not needed so
+ " we can include the rest into the resulting table
+ 1,/^<body/d_
+ $
+ ?</body>?,$d_
+ let temp = getline(1,'$')
+ " undo deletion of start and end part
+ " so we can later save the file as valid html
+ " TODO: restore using grabbed lines if undolevel is 1?
+ normal 2u
+ if s:settings.use_css
+ call add(html, '<td valign="top"><div>')
+ elseif s:settings.use_xhtml
+ call add(html, '<td nowrap="nowrap" valign="top"><div>')
+ else
+ call add(html, '<td nowrap valign="top"><div>')
+ endif
+ let html += temp
+ call add(html, '</div></td>')
+
+ " Close this buffer
+ " TODO: the comment above says we're going to allow saving the file
+ " later...but here we discard it?
+ quit!
+ endfor
+
+ let html[body_line_num] = body_line
+
+ call add(html, '</tr>')
+ call add(html, '</table>')
+ call add(html, s:body_end_line)
+ call add(html, '</html>')
+
+ let i = 1
+ let name = "Diff" . (s:settings.use_xhtml ? ".xhtml" : ".html")
+ " Find an unused file name if current file name is already in use
+ while filereadable(name)
+ let name = substitute(name, '\d*\.x\?html$', '', '') . i . '.' . fnamemodify(copy(name), ":t:e")
+ let i += 1
+ endwhile
+ exe "topleft new " . name
+ setlocal modifiable
+
+ " just in case some user autocmd creates content in the new buffer, make sure
+ " it is empty before proceeding
+ %d
+
+ " 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
+
+ call append(0, html)
+
+ if len(style) > 0
+ 1
+ let style_start = search('^</head>')-1
+
+ " Insert javascript to toggle matching folds open and closed in all windows,
+ " if dynamic folding is active. {{{
+ if s:settings.dynamic_folds
+ call append(style_start, [
+ \ "<script type='text/javascript'>",
+ \ s:settings.use_xhtml ? '//<![CDATA[' : " <!--",
+ \ " function toggleFold(objID)",
+ \ " {",
+ \ " for (win_num = 1; win_num <= ".len(a:buf_list)."; win_num++)",
+ \ " {",
+ \ " var fold;",
+ \ ' fold = document.getElementById("win"+win_num+objID);',
+ \ " if(fold.className == 'closed-fold')",
+ \ " {",
+ \ " fold.className = 'open-fold';",
+ \ " }",
+ \ " else if (fold.className == 'open-fold')",
+ \ " {",
+ \ " fold.className = 'closed-fold';",
+ \ " }",
+ \ " }",
+ \ " }",
+ \ s:settings.use_xhtml ? '//]]>' : " -->",
+ \ "</script>"
+ \ ])
+ endif "}}}
+
+ " Insert styles from all the generated html documents and additional styles
+ " for the table-based layout of the side-by-side diff. The diff should take
+ " up the full browser window (but not more), and be static in size,
+ " horizontally scrollable when the lines are too long. Otherwise, the diff
+ " is pretty useless for really long lines. {{{
+ if s:settings.use_css
+ call append(style_start,
+ \ ['<style type="text/css">']+
+ \ style+
+ \ [ s:settings.use_xhtml ? '' : '<!--',
+ \ 'table { table-layout: fixed; }',
+ \ 'html, body, table, tbody { width: 100%; margin: 0; padding: 0; }',
+ \ 'th, td { width: '.printf("%.1f",100.0/len(a:win_list)).'%; }',
+ \ 'td div { overflow: auto; }',
+ \ s:settings.use_xhtml ? '' : '-->',
+ \ '</style>'
+ \])
+ endif "}}}
+ endif
+
+ let &paste = s:old_paste
+ let &magic = s:old_magic
+endfunc "}}}
+
+" Gets a single user option and sets it in the passed-in Dict, or gives it the
+" default value if the option doesn't actually exist.
+func! tohtml#GetOption(settings, option, default) "{{{
+ if exists('g:html_'.a:option)
+ let a:settings[a:option] = g:html_{a:option}
+ else
+ let a:settings[a:option] = a:default
+ endif
+endfunc "}}}
+
+" returns a Dict containing the values of all user options for 2html, including
+" default values for those not given an explicit value by the user. Discards the
+" html_ prefix of the option for nicer looking code.
+func! tohtml#GetUserSettings() "{{{
+ if exists('s:settings')
+ " just restore the known options if we've already retrieved them
+ return s:settings
+ else
+ " otherwise figure out which options are set
+ let user_settings = {}
+
+ " Define the correct option if the old option name exists and we haven't
+ " already defined the correct one. Maybe I'll put out a warnig message about
+ " this sometime and remove the old option entirely at some even later time,
+ " but for now just silently accept the old option.
+ if exists('g:use_xhtml') && !exists("g:html_use_xhtml")
+ let g:html_use_xhtml = g:use_xhtml
+ endif
+
+ " get current option settings with appropriate defaults {{{
+ call tohtml#GetOption(user_settings, 'no_progress', !has("statusline") )
+ call tohtml#GetOption(user_settings, 'diff_one_file', 0 )
+ call tohtml#GetOption(user_settings, 'number_lines', &number )
+ call tohtml#GetOption(user_settings, 'use_css', 1 )
+ call tohtml#GetOption(user_settings, 'ignore_conceal', 0 )
+ call tohtml#GetOption(user_settings, 'ignore_folding', 0 )
+ call tohtml#GetOption(user_settings, 'dynamic_folds', 0 )
+ call tohtml#GetOption(user_settings, 'no_foldcolumn', 0 )
+ call tohtml#GetOption(user_settings, 'hover_unfold', 0 )
+ call tohtml#GetOption(user_settings, 'no_pre', 0 )
+ call tohtml#GetOption(user_settings, 'whole_filler', 0 )
+ call tohtml#GetOption(user_settings, 'use_xhtml', 0 )
+ " }}}
+
+ " override those settings that need it {{{
+
+ " hover opening implies dynamic folding
+ if user_settings.hover_unfold
+ let user_settings.dynamic_folds = 1
+ endif
+
+ " ignore folding overrides dynamic folding
+ if user_settings.ignore_folding && user_settings.dynamic_folds
+ let user_settings.dynamic_folds = 0
+ let user_settings.hover_unfold = 0
+ endif
+
+ " dynamic folding with no foldcolumn implies hover opens
+ if user_settings.dynamic_folds && user_settings.no_foldcolumn
+ let user_settings.hover_unfold = 1
+ endif
+
+ " dynamic folding implies css
+ if user_settings.dynamic_folds
+ let user_settings.use_css = 1
+ endif
+
+ " if we're not using CSS we cannot use a pre section because <font> tags
+ " aren't allowed inside a <pre> block
+ if !user_settings.use_css
+ let user_settings.no_pre = 1
+ endif "}}}
+
+ " set up expand_tabs option after all the overrides so we know the
+ " appropriate defaults {{{
+ if user_settings.no_pre == 0
+ call tohtml#GetOption(user_settings,
+ \ 'expand_tabs',
+ \ &expandtab || &ts != 8 || user_settings.number_lines ||
+ \ (user_settings.dynamic_folds && !user_settings.no_foldcolumn))
+ else
+ let user_settings.expand_tabs = 1
+ endif
+ " }}}
+
+ if exists("g:html_use_encoding") "{{{
+ " user specified the desired MIME charset, figure out proper
+ " 'fileencoding' from it or warn the user if we cannot
+ let user_settings.encoding = g:html_use_encoding
+ let user_settings.vim_encoding = tohtml#EncodingFromCharset(g:html_use_encoding)
+ if user_settings.vim_encoding == ''
+ echohl WarningMsg
+ echomsg "TOhtml: file encoding for"
+ \ g:html_use_encoding
+ \ "unknown, please set 'fileencoding'"
+ echohl None
+ endif
+ else
+ " Figure out proper MIME charset from 'fileencoding' if possible
+ if &l:fileencoding != ''
+ let user_settings.vim_encoding = &l:fileencoding
+ call tohtml#CharsetFromEncoding(user_settings)
+ endif
+
+ " else from 'encoding' if possible
+ if &l:fileencoding == '' || user_settings.encoding == ''
+ let user_settings.vim_encoding = &encoding
+ call tohtml#CharsetFromEncoding(user_settings)
+ endif
+
+ " else default to UTF-8 and warn user
+ if user_settings.encoding == ''
+ let user_settings.vim_encoding = 'utf-8'
+ let user_settings.encoding = 'UTF-8'
+ echohl WarningMsg
+ echomsg "TOhtml: couldn't determine MIME charset, using UTF-8"
+ echohl None
+ endif
+ endif "}}}
+
+ " TODO: font
+
+ return user_settings
+ endif
+endfunc "}}}
+
+" get the proper HTML charset name from a Vim encoding option.
+function! tohtml#CharsetFromEncoding(settings) "{{{
+ let l:vim_encoding = a:settings.vim_encoding
+ if exists('g:html_charset_override') && has_key(g:html_charset_override, l:vim_encoding)
+ let a:settings.encoding = g:html_charset_override[l:vim_encoding]
+ else
+ if l:vim_encoding =~ '^8bit\|^2byte'
+ " 8bit- and 2byte- prefixes are to indicate encodings available on the
+ " system that Vim will convert with iconv(), look up just the encoding name,
+ " not Vim's prefix.
+ let l:vim_encoding = substitute(l:vim_encoding, '^8bit-\|^2byte-', '', '')
+ endif
+ if has_key(g:tohtml#encoding_to_charset, l:vim_encoding)
+ let a:settings.encoding = g:tohtml#encoding_to_charset[l:vim_encoding]
+ else
+ let a:settings.encoding = ""
+ endif
+ endif
+ if a:settings.encoding != ""
+ let l:vim_encoding = tohtml#EncodingFromCharset(a:settings.encoding)
+ if l:vim_encoding != ""
+ " if the Vim encoding to HTML encoding conversion is set up (by default or
+ " by the user) to convert to a different encoding, we need to also change
+ " the Vim encoding of the new buffer
+ let a:settings.vim_encoding = l:vim_encoding
+ endif
+ endif
+endfun "}}}
+
+" Get the proper Vim encoding option setting from an HTML charset name.
+function! tohtml#EncodingFromCharset(encoding) "{{{
+ if exists('g:html_encoding_override') && has_key(g:html_encoding_override, a:encoding)
+ return g:html_encoding_override[a:encoding]
+ elseif has_key(g:tohtml#charset_to_encoding, tolower(a:encoding))
+ return g:tohtml#charset_to_encoding[tolower(a:encoding)]
+ else
+ return ""
+ endif
+endfun "}}}
+
+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 fdm=marker