##// END OF EJS Templates
Removing default input prompt number....
Removing default input prompt number. In a notebook setting being able to delete and add cells makes it virtually impossible to correctly guess what the next input prompt number should be. We now follow the convention that our prompts look like "In [ ]:" before execution.

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r4391:b1f1ddea
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rst.js
335 lines | 8.5 KiB | application/javascript | JavascriptLexer
CodeMirror.defineMode('rst', function(config, options) {
function setState(state, fn, ctx) {
state.fn = fn;
setCtx(state, ctx);
}
function setCtx(state, ctx) {
state.ctx = ctx || {};
}
function setNormal(state, ch) {
if (ch && (typeof ch !== 'string')) {
var str = ch.current();
ch = str[str.length-1];
}
setState(state, normal, {back: ch});
}
function hasMode(mode) {
if (mode) {
var modes = CodeMirror.listModes();
for (var i in modes) {
if (modes[i] == mode) {
return true;
}
}
}
return false;
}
function getMode(mode) {
if (hasMode(mode)) {
return CodeMirror.getMode(config, mode);
} else {
return null;
}
}
var verbatimMode = getMode(options.verbatim);
var pythonMode = getMode('python');
var reSection = /^[!"#$%&'()*+,-./:;<=>?@[\\\]^_`{|}~]/;
var reDirective = /^\s*\w([-:.\w]*\w)?::(\s|$)/;
var reHyperlink = /^\s*_[\w-]+:(\s|$)/;
var reFootnote = /^\s*\[(\d+|#)\](\s|$)/;
var reCitation = /^\s*\[[A-Za-z][\w-]*\](\s|$)/;
var reFootnoteRef = /^\[(\d+|#)\]_/;
var reCitationRef = /^\[[A-Za-z][\w-]*\]_/;
var reDirectiveMarker = /^\.\.(\s|$)/;
var reVerbatimMarker = /^::\s*$/;
var rePreInline = /^[-\s"([{</:]/;
var rePostInline = /^[-\s`'")\]}>/:.,;!?\\_]/;
var reEnumeratedList = /^\s*((\d+|[A-Za-z#])[.)]|\((\d+|[A-Z-a-z#])\))\s/;
var reBulletedList = /^\s*[-\+\*]\s/;
var reExamples = /^\s+(>>>|In \[\d+\]:)\s/;
function normal(stream, state) {
var ch, sol, i;
if (stream.eat(/\\/)) {
ch = stream.next();
setNormal(state, ch);
return null;
}
sol = stream.sol();
if (sol && (ch = stream.eat(reSection))) {
for (i = 0; stream.eat(ch); i++);
if (i >= 3 && stream.match(/^\s*$/)) {
setNormal(state, null);
return 'rst-section';
} else {
stream.backUp(i + 1);
}
}
if (sol && stream.match(reDirectiveMarker)) {
if (!stream.eol()) {
setState(state, directive);
}
return 'rst-directive-marker';
}
if (stream.match(reVerbatimMarker)) {
if (!verbatimMode) {
setState(state, verbatim);
} else {
var mode = verbatimMode;
setState(state, verbatim, {
mode: mode,
local: mode.startState()
});
}
return 'rst-verbatim-marker';
}
if (sol && stream.match(reExamples, false)) {
if (!pythonMode) {
setState(state, verbatim);
return 'rst-verbatim-marker';
} else {
var mode = pythonMode;
setState(state, verbatim, {
mode: mode,
local: mode.startState()
});
return null;
}
}
if (sol && (stream.match(reEnumeratedList) ||
stream.match(reBulletedList))) {
setNormal(state, stream);
return 'rst-list';
}
function testBackward(re) {
return sol || !state.ctx.back || re.test(state.ctx.back);
}
function testForward(re) {
return stream.eol() || stream.match(re, false);
}
function testInline(re) {
return stream.match(re) && testBackward(/\W/) && testForward(/\W/);
}
if (testInline(reFootnoteRef)) {
setNormal(state, stream);
return 'rst-footnote';
}
if (testInline(reCitationRef)) {
setNormal(state, stream);
return 'rst-citation';
}
ch = stream.next();
if (testBackward(rePreInline)) {
if ((ch === ':' || ch === '|') && stream.eat(/\S/)) {
var token;
if (ch === ':') {
token = 'rst-role';
} else {
token = 'rst-replacement';
}
setState(state, inline, {
ch: ch,
wide: false,
prev: null,
token: token
});
return token;
}
if (ch === '*' || ch === '`') {
var orig = ch,
wide = false;
ch = stream.next();
if (ch == orig) {
wide = true;
ch = stream.next();
}
if (ch && !/\s/.test(ch)) {
var token;
if (orig === '*') {
token = wide ? 'rst-strong' : 'rst-emphasis';
} else {
token = wide ? 'rst-inline' : 'rst-interpreted';
}
setState(state, inline, {
ch: orig, // inline() has to know what to search for
wide: wide, // are we looking for `ch` or `chch`
prev: null, // terminator must not be preceeded with whitespace
token: token // I don't want to recompute this all the time
});
return token;
}
}
}
setNormal(state, ch);
return null;
}
function inline(stream, state) {
var ch = stream.next(),
token = state.ctx.token;
function finish(ch) {
state.ctx.prev = ch;
return token;
}
if (ch != state.ctx.ch) {
return finish(ch);
}
if (/\s/.test(state.ctx.prev)) {
return finish(ch);
}
if (state.ctx.wide) {
ch = stream.next();
if (ch != state.ctx.ch) {
return finish(ch);
}
}
if (!stream.eol() && !rePostInline.test(stream.peek())) {
if (state.ctx.wide) {
stream.backUp(1);
}
return finish(ch);
}
setState(state, normal);
setNormal(state, ch);
return token;
}
function directive(stream, state) {
var token = null;
if (stream.match(reDirective)) {
token = 'rst-directive';
} else if (stream.match(reHyperlink)) {
token = 'rst-hyperlink';
} else if (stream.match(reFootnote)) {
token = 'rst-footnote';
} else if (stream.match(reCitation)) {
token = 'rst-citation';
} else {
stream.eatSpace();
if (stream.eol()) {
setNormal(state, stream);
return null;
} else {
stream.skipToEnd();
setState(state, comment);
return 'rst-comment';
}
}
setState(state, body, {start: true});
return token;
}
function body(stream, state) {
var token = 'rst-body';
if (!state.ctx.start || stream.sol()) {
return block(stream, state, token);
}
stream.skipToEnd();
setCtx(state);
return token;
}
function comment(stream, state) {
return block(stream, state, 'rst-comment');
}
function verbatim(stream, state) {
if (!verbatimMode) {
return block(stream, state, 'rst-verbatim');
} else {
if (stream.sol()) {
if (!stream.eatSpace()) {
setNormal(state, stream);
}
return null;
}
return verbatimMode.token(stream, state.ctx.local);
}
}
function block(stream, state, token) {
if (stream.eol() || stream.eatSpace()) {
stream.skipToEnd();
return token;
} else {
setNormal(state, stream);
return null;
}
}
return {
startState: function() {
return {fn: normal, ctx: {}};
},
copyState: function(state) {
return {fn: state.fn, ctx: state.ctx};
},
token: function(stream, state) {
var token = state.fn(stream, state);
return token;
}
};
});
CodeMirror.defineMIME("text/x-rst", "rst");