CodeMirror.defineMode("htmlmixed", function(config, parserConfig) {
var htmlMode = CodeMirror.getMode(config, {name: "xml", htmlMode: true});
var jsMode = CodeMirror.getMode(config, "javascript");
var cssMode = CodeMirror.getMode(config, "css");

function html(stream, state) {
var style = htmlMode.token(stream, state.htmlState);
if (style == "tag" && stream.current() == ">" && state.htmlState.context) {
if (/^script$/i.test(state.htmlState.context.tagName)) {
state.token = javascript;
state.localState = jsMode.startState(htmlMode.indent(state.htmlState, ""));
state.mode = "javascript";
}
else if (/^style$/i.test(state.htmlState.context.tagName)) {
state.token = css;
state.localState = cssMode.startState(htmlMode.indent(state.htmlState, ""));
state.mode = "css";
}
}
return style;
}
function maybeBackup(stream, pat, style) {
var cur = stream.current();
var close = cur.search(pat);
if (close > -1) stream.backUp(cur.length - close);
return style;
}
function javascript(stream, state) {
if (stream.match(/^<\/\s*script\s*>/i, false)) {
state.token = html;
state.localState = null;
state.mode = "html";
return html(stream, state);
}
return maybeBackup(stream, /<\/\s*script\s*>/,
jsMode.token(stream, state.localState));
}
function css(stream, state) {
if (stream.match(/^<\/\s*style\s*>/i, false)) {
state.token = html;
state.localState = null;
state.mode = "html";
return html(stream, state);
}
return maybeBackup(stream, /<\/\s*style\s*>/,
cssMode.token(stream, state.localState));
}

return {
startState: function() {
var state = htmlMode.startState();
return {token: html, localState: null, mode: "html", htmlState: state};
},

copyState: function(state) {
if (state.localState)
var local = CodeMirror.copyState(state.token == css ? cssMode : jsMode, state.localState);
return {token: state.token, localState: local, mode: state.mode,
htmlState: CodeMirror.copyState(htmlMode, state.htmlState)};
},

token: function(stream, state) {
return state.token(stream, state);
},

indent: function(state, textAfter) {
if (state.token == html || /^\s*<\//.test(textAfter))
return htmlMode.indent(state.htmlState, textAfter);
else if (state.token == javascript)
return jsMode.indent(state.localState, textAfter);
else
return cssMode.indent(state.localState, textAfter);
},

compareStates: function(a, b) {
return htmlMode.compareStates(a.htmlState, b.htmlState);
},

electricChars: "/{}:"
}
});

CodeMirror.defineMIME("text/html", "htmlmixed");