1 files changed, 333 insertions, 0 deletions

diff --git a/js/codemirror/mode/rst/rst.js b/js/codemirror/mode/rst/rst.js
new file mode 100644
index 00000000..eecc5bea
--- /dev/null
+++ b/js/codemirror/mode/rst/rst.js
@@ -0,0 +1,333 @@
+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 'section';
+            } else {
+                stream.backUp(i + 1);
+            }
+        }
+
+        if (sol && stream.match(reDirectiveMarker)) {
+            if (!stream.eol()) {
+                setState(state, directive);
+            }
+
+            return 'directive-marker';
+        }
+
+        if (stream.match(reVerbatimMarker)) {
+            if (!verbatimMode) {
+                setState(state, verbatim);
+            } else {
+                var mode = verbatimMode;
+
+                setState(state, verbatim, {
+                    mode: mode,
+                    local: mode.startState()
+                });
+            }
+
+            return 'verbatim-marker';
+        }
+
+        if (sol && stream.match(reExamples, false)) {
+            if (!pythonMode) {
+                setState(state, verbatim);
+                return '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 '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 'footnote';
+        }
+
+        if (testInline(reCitationRef)) {
+            setNormal(state, stream);
+            return 'citation';
+        }
+
+        ch = stream.next();
+
+        if (testBackward(rePreInline)) {
+            if ((ch === ':' || ch === '|') && stream.eat(/\S/)) {
+                var token;
+
+                if (ch === ':') {
+                    token = 'role';
+                } else {
+                    token = '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 ? 'strong' : 'emphasis';
+                    } else {
+                        token = wide ? 'inline' : '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) {