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CodeMirror.defineMode('rst', function(config, options) {
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function setState(state, fn, ctx) {
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state.fn = fn;
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setCtx(state, ctx);
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}
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function setCtx(state, ctx) {
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state.ctx = ctx || {};
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}
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function setNormal(state, ch) {
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if (ch && (typeof ch !== 'string')) {
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var str = ch.current();
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ch = str[str.length-1];
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}
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setState(state, normal, {back: ch});
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}
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function hasMode(mode) {
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if (mode) {
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var modes = CodeMirror.listModes();
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for (var i in modes) {
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if (modes[i] == mode) {
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return true;
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}
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}
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}
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return false;
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}
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function getMode(mode) {
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if (hasMode(mode)) {
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return CodeMirror.getMode(config, mode);
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} else {
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return null;
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}
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}
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var verbatimMode = getMode(options.verbatim);
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var pythonMode = getMode('python');
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var reSection = /^[!"#$%&'()*+,-./:;<=>?@[\\\]^_`{|}~]/;
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var reDirective = /^\s*\w([-:.\w]*\w)?::(\s|$)/;
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var reHyperlink = /^\s*_[\w-]+:(\s|$)/;
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var reFootnote = /^\s*\[(\d+|#)\](\s|$)/;
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var reCitation = /^\s*\[[A-Za-z][\w-]*\](\s|$)/;
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var reFootnoteRef = /^\[(\d+|#)\]_/;
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var reCitationRef = /^\[[A-Za-z][\w-]*\]_/;
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var reDirectiveMarker = /^\.\.(\s|$)/;
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var reVerbatimMarker = /^::\s*$/;
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var rePreInline = /^[-\s"([{</:]/;
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var rePostInline = /^[-\s`'")\]}>/:.,;!?\\_]/;
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var reEnumeratedList = /^\s*((\d+|[A-Za-z#])[.)]|\((\d+|[A-Z-a-z#])\))\s/;
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var reBulletedList = /^\s*[-\+\*]\s/;
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var reExamples = /^\s+(>>>|In \[\d+\]:)\s/;
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function normal(stream, state) {
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var ch, sol, i;
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if (stream.eat(/\\/)) {
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ch = stream.next();
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setNormal(state, ch);
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return null;
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}
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sol = stream.sol();
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if (sol && (ch = stream.eat(reSection))) {
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for (i = 0; stream.eat(ch); i++);
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if (i >= 3 && stream.match(/^\s*$/)) {
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setNormal(state, null);
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return 'header';
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} else {
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stream.backUp(i + 1);
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}
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}
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if (sol && stream.match(reDirectiveMarker)) {
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if (!stream.eol()) {
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setState(state, directive);
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}
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return 'meta';
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}
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if (stream.match(reVerbatimMarker)) {
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if (!verbatimMode) {
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setState(state, verbatim);
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} else {
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var mode = verbatimMode;
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setState(state, verbatim, {
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mode: mode,
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local: mode.startState()
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});
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}
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return 'meta';
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}
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if (sol && stream.match(reExamples, false)) {
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if (!pythonMode) {
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setState(state, verbatim);
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return 'meta';
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} else {
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var mode = pythonMode;
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setState(state, verbatim, {
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mode: mode,
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local: mode.startState()
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});
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return null;
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}
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}
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function testBackward(re) {
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return sol || !state.ctx.back || re.test(state.ctx.back);
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}
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function testForward(re) {
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return stream.eol() || stream.match(re, false);
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}
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function testInline(re) {
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return stream.match(re) && testBackward(/\W/) && testForward(/\W/);
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}
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if (testInline(reFootnoteRef)) {
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setNormal(state, stream);
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return 'footnote';
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}
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if (testInline(reCitationRef)) {
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setNormal(state, stream);
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return 'citation';
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}
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ch = stream.next();
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if (testBackward(rePreInline)) {
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if ((ch === ':' || ch === '|') && stream.eat(/\S/)) {
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var token;
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if (ch === ':') {
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token = 'builtin';
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} else {
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token = 'atom';
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}
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setState(state, inline, {
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ch: ch,
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wide: false,
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prev: null,
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token: token
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});
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return token;
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}
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if (ch === '*' || ch === '`') {
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var orig = ch,
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wide = false;
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ch = stream.next();
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if (ch == orig) {
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wide = true;
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ch = stream.next();
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}
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if (ch && !/\s/.test(ch)) {
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var token;
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if (orig === '*') {
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token = wide ? 'strong' : 'em';
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} else {
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token = wide ? 'string' : 'string-2';
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}
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setState(state, inline, {
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ch: orig, // inline() has to know what to search for
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wide: wide, // are we looking for `ch` or `chch`
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prev: null, // terminator must not be preceeded with whitespace
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token: token // I don't want to recompute this all the time
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});
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return token;
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}
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}
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}
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setNormal(state, ch);
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return null;
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}
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function inline(stream, state) {
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var ch = stream.next(),
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token = state.ctx.token;
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function finish(ch) {
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state.ctx.prev = ch;
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return token;
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}
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if (ch != state.ctx.ch) {
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return finish(ch);
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}
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if (/\s/.test(state.ctx.prev)) {
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return finish(ch);
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}
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if (state.ctx.wide) {
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ch = stream.next();
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if (ch != state.ctx.ch) {
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return finish(ch);
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}
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}
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if (!stream.eol() && !rePostInline.test(stream.peek())) {
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if (state.ctx.wide) {
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stream.backUp(1);
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}
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return finish(ch);
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}
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setState(state, normal);
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setNormal(state, ch);
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return token;
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}
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function directive(stream, state) {
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var token = null;
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if (stream.match(reDirective)) {
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token = 'attribute';
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} else if (stream.match(reHyperlink)) {
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token = 'link';
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} else if (stream.match(reFootnote)) {
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token = 'quote';
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} else if (stream.match(reCitation)) {
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token = 'quote';
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} else {
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stream.eatSpace();
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if (stream.eol()) {
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setNormal(state, stream);
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return null;
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} else {
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stream.skipToEnd();
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setState(state, comment);
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return 'comment';
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}
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}
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// FIXME this is unreachable
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setState(state, body, {start: true});
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return token;
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}
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function body(stream, state) {
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var token = 'body';
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if (!state.ctx.start || stream.sol()) {
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return block(stream, state, token);
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}
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stream.skipToEnd();
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setCtx(state);
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return token;
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}
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function comment(stream, state) {
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return block(stream, state, 'comment');
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}
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function verbatim(stream, state) {
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if (!verbatimMode) {
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return block(stream, state, 'meta');
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} else {
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if (stream.sol()) {
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if (!stream.eatSpace()) {
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setNormal(state, stream);
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}
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return null;
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}
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return verbatimMode.token(stream, state.ctx.local);
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}
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}
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function block(stream, state, token) {
|
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|
if (stream.eol() || stream.eatSpace()) {
|
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stream.skipToEnd();
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return token;
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} else {
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|
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setNormal(state, stream);
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return null;
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}
|
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}
|
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return {
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startState: function() {
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|
|
return {fn: normal, ctx: {}};
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},
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copyState: function(state) {
|
|
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return {fn: state.fn, ctx: state.ctx};
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},
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token: function(stream, state) {
|
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var token = state.fn(stream, state);
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return token;
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}
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};
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});
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CodeMirror.defineMIME("text/x-rst", "rst");
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