diff options
Diffstat (limited to 'codemirror_ui/lib/CodeMirror-2.3/mode/markdown/markdown.js')
| -rw-r--r-- | codemirror_ui/lib/CodeMirror-2.3/mode/markdown/markdown.js | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/codemirror_ui/lib/CodeMirror-2.3/mode/markdown/markdown.js b/codemirror_ui/lib/CodeMirror-2.3/mode/markdown/markdown.js new file mode 100644 index 0000000..232ced7 --- /dev/null +++ b/codemirror_ui/lib/CodeMirror-2.3/mode/markdown/markdown.js @@ -0,0 +1,245 @@ +CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) { + + var htmlMode = CodeMirror.getMode(cmCfg, { name: 'xml', htmlMode: true }); + + var header = 'header' + , code = 'comment' + , quote = 'quote' + , list = 'string' + , hr = 'hr' + , linktext = 'link' + , linkhref = 'string' + , em = 'em' + , strong = 'strong' + , emstrong = 'emstrong'; + + var hrRE = /^([*\-=_])(?:\s*\1){2,}\s*$/ + , ulRE = /^[*\-+]\s+/ + , olRE = /^[0-9]+\.\s+/ + , headerRE = /^(?:\={3,}|-{3,})$/ + , textRE = /^[^\[*_\\<>`]+/; + + function switchInline(stream, state, f) { + state.f = state.inline = f; + return f(stream, state); + } + + function switchBlock(stream, state, f) { + state.f = state.block = f; + return f(stream, state); + } + + + // Blocks + + function blankLine(state) { + // Reset EM state + state.em = false; + // Reset STRONG state + state.strong = false; + return null; + } + + function blockNormal(stream, state) { + var match; + if (state.indentationDiff >= 4) { + state.indentation -= state.indentationDiff; + stream.skipToEnd(); + return code; + } else if (stream.eatSpace()) { + return null; + } else if (stream.peek() === '#' || stream.match(headerRE)) { + state.header = true; + } else if (stream.eat('>')) { + state.indentation++; + state.quote = true; + } else if (stream.peek() === '[') { + return switchInline(stream, state, footnoteLink); + } else if (stream.match(hrRE, true)) { + return hr; + } else if (match = stream.match(ulRE, true) || stream.match(olRE, true)) { + state.indentation += match[0].length; + return list; + } + + return switchInline(stream, state, state.inline); + } + + function htmlBlock(stream, state) { + var style = htmlMode.token(stream, state.htmlState); + if (style === 'tag' && state.htmlState.type !== 'openTag' && !state.htmlState.context) { + state.f = inlineNormal; + state.block = blockNormal; + } + return style; + } + + + // Inline + function getType(state) { + var styles = []; + + if (state.strong) { styles.push(state.em ? emstrong : strong); } + else if (state.em) { styles.push(em); } + + if (state.header) { styles.push(header); } + if (state.quote) { styles.push(quote); } + + return styles.length ? styles.join(' ') : null; + } + + function handleText(stream, state) { + if (stream.match(textRE, true)) { + return getType(state); + } + return undefined; + } + + function inlineNormal(stream, state) { + var style = state.text(stream, state) + if (typeof style !== 'undefined') + return style; + + var ch = stream.next(); + + if (ch === '\\') { + stream.next(); + return getType(state); + } + if (ch === '`') { + return switchInline(stream, state, inlineElement(code, '`')); + } + if (ch === '[') { + return switchInline(stream, state, linkText); + } + if (ch === '<' && stream.match(/^\w/, false)) { + stream.backUp(1); + return switchBlock(stream, state, htmlBlock); + } + + var t = getType(state); + if (ch === '*' || ch === '_') { + if (stream.eat(ch)) { + return (state.strong = !state.strong) ? getType(state) : t; + } + return (state.em = !state.em) ? getType(state) : t; + } + + return getType(state); + } + + function linkText(stream, state) { + while (!stream.eol()) { + var ch = stream.next(); + if (ch === '\\') stream.next(); + if (ch === ']') { + state.inline = state.f = linkHref; + return linktext; + } + } + return linktext; + } + + function linkHref(stream, state) { + stream.eatSpace(); + var ch = stream.next(); + if (ch === '(' || ch === '[') { + return switchInline(stream, state, inlineElement(linkhref, ch === '(' ? ')' : ']')); + } + return 'error'; + } + + function footnoteLink(stream, state) { + if (stream.match(/^[^\]]*\]:/, true)) { + state.f = footnoteUrl; + return linktext; + } + return switchInline(stream, state, inlineNormal); + } + + function footnoteUrl(stream, state) { + stream.eatSpace(); + stream.match(/^[^\s]+/, true); + state.f = state.inline = inlineNormal; + return linkhref; + } + + function inlineRE(endChar) { + if (!inlineRE[endChar]) { + // match any not-escaped-non-endChar and any escaped char + // then match endChar or eol + inlineRE[endChar] = new RegExp('^(?:[^\\\\\\' + endChar + ']|\\\\.)*(?:\\' + endChar + '|$)'); + } + return inlineRE[endChar]; + } + + function inlineElement(type, endChar, next) { + next = next || inlineNormal; + return function(stream, state) { + stream.match(inlineRE(endChar)); + state.inline = state.f = next; + return type; + }; + } + + return { + startState: function() { + return { + f: blockNormal, + + block: blockNormal, + htmlState: htmlMode.startState(), + indentation: 0, + + inline: inlineNormal, + text: handleText, + em: false, + strong: false, + header: false, + quote: false + }; + }, + + copyState: function(s) { + return { + f: s.f, + + block: s.block, + htmlState: CodeMirror.copyState(htmlMode, s.htmlState), + indentation: s.indentation, + + inline: s.inline, + text: s.text, + em: s.em, + strong: s.strong, + header: s.header, + quote: s.quote + }; + }, + + token: function(stream, state) { + if (stream.sol()) { + if (stream.match(/^\s*$/, true)) { return blankLine(state); } + + // Reset state.header + state.header = false; + // Reset state.quote + state.quote = false; + + state.f = state.block; + var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, ' ').length; + state.indentationDiff = indentation - state.indentation; + state.indentation = indentation; + if (indentation > 0) { return null; } + } + return state.f(stream, state); + }, + + blankLine: blankLine, + + getType: getType + }; + +}, "xml"); + +CodeMirror.defineMIME("text/x-markdown", "markdown"); |