engine/app/assets/javascripts/locomotive/plugins/codemirror/parsehtmlmixed.js

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var HTMLMixedParser = Editor.Parser = (function() {
// tags that trigger seperate parsers
var triggers = {
"script": "JSParser",
"style": "CSSParser"
};
function checkDependencies() {
var parsers = ['XMLParser'];
for (var p in triggers) parsers.push(triggers[p]);
for (var i in parsers) {
if (!window[parsers[i]]) throw new Error(parsers[i] + " parser must be loaded for HTML mixed mode to work.");
}
XMLParser.configure({useHTMLKludges: true});
}
function parseMixed(stream) {
checkDependencies();
var htmlParser = XMLParser.make(stream), localParser = null, inTag = false;
var iter = {next: top, copy: copy};
function top() {
var token = htmlParser.next();
if (token.content == "<")
inTag = true;
else if (token.style == "xml-tagname" && inTag === true)
inTag = token.content.toLowerCase();
else if (token.content == ">") {
if (triggers[inTag]) {
var parser = window[triggers[inTag]];
iter.next = local(parser, "</" + inTag);
}
inTag = false;
}
return token;
}
function local(parser, tag) {
var baseIndent = htmlParser.indentation();
localParser = parser.make(stream, baseIndent + indentUnit);
return function() {
if (stream.lookAhead(tag, false, false, true)) {
localParser = null;
iter.next = top;
return top();
}
var token = localParser.next();
var lt = token.value.lastIndexOf("<"), sz = Math.min(token.value.length - lt, tag.length);
if (lt != -1 && token.value.slice(lt, lt + sz).toLowerCase() == tag.slice(0, sz) &&
stream.lookAhead(tag.slice(sz), false, false, true)) {
stream.push(token.value.slice(lt));
token.value = token.value.slice(0, lt);
}
if (token.indentation) {
var oldIndent = token.indentation;
token.indentation = function(chars) {
if (chars == "</")
return baseIndent;
else
return oldIndent(chars);
};
}
return token;
};
}
function copy() {
var _html = htmlParser.copy(), _local = localParser && localParser.copy(),
_next = iter.next, _inTag = inTag;
return function(_stream) {
stream = _stream;
htmlParser = _html(_stream);
localParser = _local && _local(_stream);
iter.next = _next;
inTag = _inTag;
return iter;
};
}
return iter;
}
return {
make: parseMixed,
electricChars: "{}/:",
configure: function(obj) {
if (obj.triggers) triggers = obj.triggers;
}
};
})();