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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"), require("../htmlmixed/htmlmixed"), require("../ruby/ruby"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror", "../htmlmixed/htmlmixed", "../ruby/ruby"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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// full haml mode. This handled embeded ruby and html fragments too
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CodeMirror.defineMode("haml", function(config) {
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var htmlMode = CodeMirror.getMode(config, {name: "htmlmixed"});
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var rubyMode = CodeMirror.getMode(config, "ruby");
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function rubyInQuote(endQuote) {
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return function(stream, state) {
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var ch = stream.peek();
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if (ch == endQuote && state.rubyState.tokenize.length == 1) {
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// step out of ruby context as it seems to complete processing all the braces
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stream.next();
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state.tokenize = html;
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return "closeAttributeTag";
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} else {
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return ruby(stream, state);
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}
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};
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}
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function ruby(stream, state) {
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if (stream.match("-#")) {
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stream.skipToEnd();
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return "comment";
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}
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return rubyMode.token(stream, state.rubyState);
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}
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function html(stream, state) {
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var ch = stream.peek();
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// handle haml declarations. All declarations that cant be handled here
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// will be passed to html mode
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if (state.previousToken.style == "comment" ) {
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if (state.indented > state.previousToken.indented) {
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stream.skipToEnd();
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return "commentLine";
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}
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}
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if (state.startOfLine) {
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if (ch == "!" && stream.match("!!")) {
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stream.skipToEnd();
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return "tag";
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} else if (stream.match(/^%[\w:#\.]+=/)) {
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state.tokenize = ruby;
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return "hamlTag";
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} else if (stream.match(/^%[\w:]+/)) {
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return "hamlTag";
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} else if (ch == "/" ) {
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stream.skipToEnd();
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return "comment";
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}
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}
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if (state.startOfLine || state.previousToken.style == "hamlTag") {
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if ( ch == "#" || ch == ".") {
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stream.match(/[\w-#\.]*/);
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return "hamlAttribute";
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}
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}
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// donot handle --> as valid ruby, make it HTML close comment instead
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if (state.startOfLine && !stream.match("-->", false) && (ch == "=" || ch == "-" )) {
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state.tokenize = ruby;
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return state.tokenize(stream, state);
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}
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if (state.previousToken.style == "hamlTag" ||
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state.previousToken.style == "closeAttributeTag" ||
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state.previousToken.style == "hamlAttribute") {
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if (ch == "(") {
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state.tokenize = rubyInQuote(")");
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return state.tokenize(stream, state);
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} else if (ch == "{") {
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state.tokenize = rubyInQuote("}");
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return state.tokenize(stream, state);
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}
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}
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return htmlMode.token(stream, state.htmlState);
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}
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return {
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// default to html mode
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startState: function() {
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var htmlState = htmlMode.startState();
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var rubyState = rubyMode.startState();
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return {
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htmlState: htmlState,
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rubyState: rubyState,
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indented: 0,
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previousToken: { style: null, indented: 0},
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tokenize: html
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};
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},
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copyState: function(state) {
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return {
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htmlState : CodeMirror.copyState(htmlMode, state.htmlState),
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rubyState: CodeMirror.copyState(rubyMode, state.rubyState),
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indented: state.indented,
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previousToken: state.previousToken,
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tokenize: state.tokenize
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};
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},
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token: function(stream, state) {
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if (stream.sol()) {
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state.indented = stream.indentation();
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state.startOfLine = true;
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}
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if (stream.eatSpace()) return null;
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var style = state.tokenize(stream, state);
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state.startOfLine = false;
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// dont record comment line as we only want to measure comment line with
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// the opening comment block
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if (style && style != "commentLine") {
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state.previousToken = { style: style, indented: state.indented };
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}
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// if current state is ruby and the previous token is not `,` reset the
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// tokenize to html
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if (stream.eol() && state.tokenize == ruby) {
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stream.backUp(1);
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var ch = stream.peek();
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stream.next();
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if (ch && ch != ",") {
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state.tokenize = html;
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}
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}
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// reprocess some of the specific style tag when finish setting previousToken
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if (style == "hamlTag") {
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style = "tag";
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} else if (style == "commentLine") {
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style = "comment";
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} else if (style == "hamlAttribute") {
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style = "attribute";
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} else if (style == "closeAttributeTag") {
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style = null;
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}
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return style;
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}
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};
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}, "htmlmixed", "ruby");
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CodeMirror.defineMIME("text/x-haml", "haml");
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});
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