static.codemirror.mode.markdown.markdown.js Maven / Gradle / Ivy
CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
var htmlFound = CodeMirror.mimeModes.hasOwnProperty("text/html");
var htmlMode = CodeMirror.getMode(cmCfg, htmlFound ? "text/html" : "text/plain");
var aliases = {
html: "htmlmixed",
js: "javascript",
json: "application/json",
c: "text/x-csrc",
"c++": "text/x-c++src",
java: "text/x-java",
csharp: "text/x-csharp",
"c#": "text/x-csharp"
};
var getMode = (function () {
var i, modes = {}, mimes = {}, mime;
var list = CodeMirror.listModes();
for (i = 0; i < list.length; i++) {
modes[list[i]] = list[i];
}
var mimesList = CodeMirror.listMIMEs();
for (i = 0; i < mimesList.length; i++) {
mime = mimesList[i].mime;
mimes[mime] = mimesList[i].mime;
}
for (var a in aliases) {
if (aliases[a] in modes || aliases[a] in mimes)
modes[a] = aliases[a];
}
return function (lang) {
return modes[lang] ? CodeMirror.getMode(cmCfg, modes[lang]) : null;
};
}());
// Should underscores in words open/close em/strong?
if (modeCfg.underscoresBreakWords === undefined)
modeCfg.underscoresBreakWords = true;
// Turn on fenced code blocks? ("```" to start/end)
if (modeCfg.fencedCodeBlocks === undefined) modeCfg.fencedCodeBlocks = false;
var codeDepth = 0;
var prevLineHasContent = false
, thisLineHasContent = false;
var header = 'header'
, code = 'comment'
, quote = 'quote'
, list = 'string'
, hr = 'hr'
, image = 'tag'
, linkinline = 'link'
, linkemail = 'link'
, linktext = 'link'
, linkhref = 'string'
, em = 'em'
, strong = 'strong'
, emstrong = 'emstrong';
var hrRE = /^([*\-=_])(?:\s*\1){2,}\s*$/
, ulRE = /^[*\-+]\s+/
, olRE = /^[0-9]+\.\s+/
, headerRE = /^(?:\={1,}|-{1,})$/
, 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 linkTitle state
state.linkTitle = false;
// Reset EM state
state.em = false;
// Reset STRONG state
state.strong = false;
// Reset state.quote
state.quote = false;
if (!htmlFound && state.f == htmlBlock) {
state.f = inlineNormal;
state.block = blockNormal;
}
return null;
}
function blockNormal(stream, state) {
if (state.list !== false && state.indentationDiff >= 0) { // Continued list
if (state.indentationDiff < 4) { // Only adjust indentation if *not* a code block
state.indentation -= state.indentationDiff;
}
state.list = null;
} else { // No longer a list
state.list = false;
}
if (state.indentationDiff >= 4) {
state.indentation -= 4;
stream.skipToEnd();
return code;
} else if (stream.eatSpace()) {
return null;
} else if (stream.peek() === '#' || (prevLineHasContent && 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 (stream.match(ulRE, true) || stream.match(olRE, true)) {
state.indentation += 4;
state.list = true;
} else if (modeCfg.fencedCodeBlocks && stream.match(/^```([\w+#]*)/, true)) {
// try switching mode
state.localMode = getMode(RegExp.$1);
if (state.localMode) state.localState = state.localMode.startState();
switchBlock(stream, state, local);
return code;
}
return switchInline(stream, state, state.inline);
}
function htmlBlock(stream, state) {
var style = htmlMode.token(stream, state.htmlState);
if (htmlFound && style === 'tag' && state.htmlState.type !== 'openTag' && !state.htmlState.context) {
state.f = inlineNormal;
state.block = blockNormal;
}
if (state.md_inside && stream.current().indexOf(">")!=-1) {
state.f = inlineNormal;
state.block = blockNormal;
state.htmlState.context = undefined;
}
return style;
}
function local(stream, state) {
if (stream.sol() && stream.match(/^```/, true)) {
state.localMode = state.localState = null;
state.f = inlineNormal;
state.block = blockNormal;
return code;
} else if (state.localMode) {
return state.localMode.token(stream, state.localState);
} else {
stream.skipToEnd();
return code;
}
}
function codeBlock(stream, state) {
if(stream.match(codeBlockRE, true)){
state.f = inlineNormal;
state.block = blockNormal;
switchInline(stream, state, state.inline);
return code;
}
stream.skipToEnd();
return code;
}
// Inline
function getType(state) {
var styles = [];
if (state.strong) { styles.push(state.em ? emstrong : strong); }
else if (state.em) { styles.push(em); }
if (state.linkText) { styles.push(linktext); }
if (state.code) { styles.push(code); }
if (state.header) { styles.push(header); }
if (state.quote) { styles.push(quote); }
if (state.list !== false) { styles.push(list); }
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;
if (state.list) { // List marker (*, +, -, 1., etc)
state.list = null;
return list;
}
var ch = stream.next();
if (ch === '\\') {
stream.next();
return getType(state);
}
// Matches link titles present on next line
if (state.linkTitle) {
state.linkTitle = false;
var matchCh = ch;
if (ch === '(') {
matchCh = ')';
}
matchCh = (matchCh+'').replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
var regex = '^\\s*(?:[^' + matchCh + '\\\\]+|\\\\\\\\|\\\\.)' + matchCh;
if (stream.match(new RegExp(regex), true)) {
return linkhref;
}
}
// If this block is changed, it may need to be updated in GFM mode
if (ch === '`') {
var t = getType(state);
var before = stream.pos;
stream.eatWhile('`');
var difference = 1 + stream.pos - before;
if (!state.code) {
codeDepth = difference;
state.code = true;
return getType(state);
} else {
if (difference === codeDepth) { // Must be exact
state.code = false;
return t;
}
return getType(state);
}
} else if (state.code) {
return getType(state);
}
if (ch === '!' && stream.match(/\[.*\] ?(?:\(|\[)/, false)) {
stream.match(/\[.*\]/);
state.inline = state.f = linkHref;
return image;
}
if (ch === '[' && stream.match(/.*\](\(| ?\[)/, false)) {
state.linkText = true;
return getType(state);
}
if (ch === ']' && state.linkText) {
var type = getType(state);
state.linkText = false;
state.inline = state.f = linkHref;
return type;
}
if (ch === '<' && stream.match(/^(https?|ftps?):\/\/(?:[^\\>]|\\.)+>/, true)) {
return switchInline(stream, state, inlineElement(linkinline, '>'));
}
if (ch === '<' && stream.match(/^[^> \\]+@(?:[^\\>]|\\.)+>/, true)) {
return switchInline(stream, state, inlineElement(linkemail, '>'));
}
if (ch === '<' && stream.match(/^\w/, false)) {
var md_inside = false;
if (stream.string.indexOf(">")!=-1) {
var atts = stream.string.substring(1,stream.string.indexOf(">"));
if (/markdown\s*=\s*('|"){0,1}1('|"){0,1}/.test(atts)) {
state.md_inside = true;
}
}
stream.backUp(1);
return switchBlock(stream, state, htmlBlock);
}
if (ch === '<' && stream.match(/^\/\w*?>/)) {
state.md_inside = false;
return "tag";
}
var ignoreUnderscore = false;
if (!modeCfg.underscoresBreakWords) {
if (ch === '_' && stream.peek() !== '_' && stream.match(/(\w)/, false)) {
var prevPos = stream.pos - 2;
if (prevPos >= 0) {
var prevCh = stream.string.charAt(prevPos);
if (prevCh !== '_' && prevCh.match(/(\w)/, false)) {
ignoreUnderscore = true;
}
}
}
}
var t = getType(state);
if (ch === '*' || (ch === '_' && !ignoreUnderscore)) {
if (state.strong === ch && stream.eat(ch)) { // Remove STRONG
state.strong = false;
return t;
} else if (!state.strong && stream.eat(ch)) { // Add STRONG
state.strong = ch;
return getType(state);
} else if (state.em === ch) { // Remove EM
state.em = false;
return t;
} else if (!state.em) { // Add EM
state.em = ch;
return getType(state);
}
} else if (ch === ' ') {
if (stream.eat('*') || stream.eat('_')) { // Probably surrounded by spaces
if (stream.peek() === ' ') { // Surrounded by spaces, ignore
return getType(state);
} else { // Not surrounded by spaces, back up pointer
stream.backUp(1);
}
}
}
return getType(state);
}
function linkHref(stream, state) {
// Check if space, and return NULL if so (to avoid marking the space)
if(stream.eatSpace()){
return null;
}
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) {
// Check if space, and return NULL if so (to avoid marking the space)
if(stream.eatSpace()){
return null;
}
// Match URL
stream.match(/^[^\s]+/, true);
// Check for link title
if (stream.peek() === undefined) { // End of line, set flag to check next line
state.linkTitle = true;
} else { // More content on line, check if link title
stream.match(/^(?:\s+(?:"(?:[^"\\]|\\\\|\\.)+"|'(?:[^'\\]|\\\\|\\.)+'|\((?:[^)\\]|\\\\|\\.)+\)))?/, true);
}
state.f = state.inline = inlineNormal;
return linkhref;
}
var savedInlineRE = [];
function inlineRE(endChar) {
if (!savedInlineRE[endChar]) {
// Escape endChar for RegExp (taken from http://stackoverflow.com/a/494122/526741)
endChar = (endChar+'').replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
// Match any non-endChar, escaped character, as well as the closing
// endChar.
savedInlineRE[endChar] = new RegExp('^(?:[^\\\\]|\\\\.)*?(' + endChar + ')');
}
return savedInlineRE[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() {
prevLineHasContent = false;
thisLineHasContent = false;
return {
f: blockNormal,
block: blockNormal,
htmlState: CodeMirror.startState(htmlMode),
indentation: 0,
inline: inlineNormal,
text: handleText,
linkText: false,
linkTitle: false,
em: false,
strong: false,
header: false,
list: false,
quote: false
};
},
copyState: function(s) {
return {
f: s.f,
block: s.block,
htmlState: CodeMirror.copyState(htmlMode, s.htmlState),
indentation: s.indentation,
localMode: s.localMode,
localState: s.localMode ? CodeMirror.copyState(s.localMode, s.localState) : null,
inline: s.inline,
text: s.text,
linkTitle: s.linkTitle,
em: s.em,
strong: s.strong,
header: s.header,
list: s.list,
quote: s.quote,
md_inside: s.md_inside
};
},
token: function(stream, state) {
if (stream.sol()) {
if (stream.match(/^\s*$/, true)) {
prevLineHasContent = false;
return blankLine(state);
} else {
if(thisLineHasContent){
prevLineHasContent = true;
thisLineHasContent = false;
}
thisLineHasContent = true;
}
// Reset state.header
state.header = false;
// Reset state.code
state.code = false;
state.f = state.block;
var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, ' ').length;
var difference = Math.floor((indentation - state.indentation) / 4) * 4;
if (difference > 4) difference = 4;
indentation = state.indentation + difference;
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");
© 2015 - 2025 Weber Informatics LLC | Privacy Policy