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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"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], 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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CodeMirror.defineMode("velocity", function() {
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function parseWords(str) {
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var obj = {}, words = str.split(" ");
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for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
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return obj;
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}
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var keywords = parseWords("#end #else #break #stop #[[ #]] " +
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"#{end} #{else} #{break} #{stop}");
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var functions = parseWords("#if #elseif #foreach #set #include #parse #macro #define #evaluate " +
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"#{if} #{elseif} #{foreach} #{set} #{include} #{parse} #{macro} #{define} #{evaluate}");
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var specials = parseWords("$foreach.count $foreach.hasNext $foreach.first $foreach.last $foreach.topmost $foreach.parent.count $foreach.parent.hasNext $foreach.parent.first $foreach.parent.last $foreach.parent $velocityCount $!bodyContent $bodyContent");
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var isOperatorChar = /[+\-*&%=<>!?:\/|]/;
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function chain(stream, state, f) {
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state.tokenize = f;
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return f(stream, state);
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}
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function tokenBase(stream, state) {
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var beforeParams = state.beforeParams;
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state.beforeParams = false;
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var ch = stream.next();
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// start of unparsed string?
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if ((ch == "'") && state.inParams) {
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state.lastTokenWasBuiltin = false;
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return chain(stream, state, tokenString(ch));
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}
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// start of parsed string?
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else if ((ch == '"')) {
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state.lastTokenWasBuiltin = false;
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if (state.inString) {
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state.inString = false;
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return "string";
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}
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else if (state.inParams)
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return chain(stream, state, tokenString(ch));
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}
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// is it one of the special signs []{}().,;? Seperator?
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else if (/[\[\]{}\(\),;\.]/.test(ch)) {
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if (ch == "(" && beforeParams)
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state.inParams = true;
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else if (ch == ")") {
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state.inParams = false;
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state.lastTokenWasBuiltin = true;
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}
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return null;
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}
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// start of a number value?
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else if (/\d/.test(ch)) {
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state.lastTokenWasBuiltin = false;
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stream.eatWhile(/[\w\.]/);
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return "number";
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}
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// multi line comment?
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else if (ch == "#" && stream.eat("*")) {
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state.lastTokenWasBuiltin = false;
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return chain(stream, state, tokenComment);
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}
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// unparsed content?
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else if (ch == "#" && stream.match(/ *\[ *\[/)) {
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state.lastTokenWasBuiltin = false;
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return chain(stream, state, tokenUnparsed);
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}
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// single line comment?
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else if (ch == "#" && stream.eat("#")) {
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state.lastTokenWasBuiltin = false;
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stream.skipToEnd();
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return "comment";
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}
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// variable?
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else if (ch == "$") {
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stream.eatWhile(/[\w\d\$_\.{}]/);
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// is it one of the specials?
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if (specials && specials.propertyIsEnumerable(stream.current())) {
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return "keyword";
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}
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else {
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state.lastTokenWasBuiltin = true;
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state.beforeParams = true;
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return "builtin";
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}
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}
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// is it a operator?
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else if (isOperatorChar.test(ch)) {
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state.lastTokenWasBuiltin = false;
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stream.eatWhile(isOperatorChar);
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return "operator";
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}
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else {
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// get the whole word
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stream.eatWhile(/[\w\$_{}@]/);
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var word = stream.current();
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// is it one of the listed keywords?
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if (keywords && keywords.propertyIsEnumerable(word))
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return "keyword";
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// is it one of the listed functions?
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if (functions && functions.propertyIsEnumerable(word) ||
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(stream.current().match(/^#@?[a-z0-9_]+ *$/i) && stream.peek()=="(") &&
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!(functions && functions.propertyIsEnumerable(word.toLowerCase()))) {
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state.beforeParams = true;
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state.lastTokenWasBuiltin = false;
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return "keyword";
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}
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if (state.inString) {
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state.lastTokenWasBuiltin = false;
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return "string";
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}
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if (stream.pos > word.length && stream.string.charAt(stream.pos-word.length-1)=="." && state.lastTokenWasBuiltin)
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return "builtin";
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// default: just a "word"
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state.lastTokenWasBuiltin = false;
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return null;
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}
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}
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function tokenString(quote) {
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return function(stream, state) {
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var escaped = false, next, end = false;
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while ((next = stream.next()) != null) {
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if ((next == quote) && !escaped) {
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end = true;
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break;
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}
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if (quote=='"' && stream.peek() == '$' && !escaped) {
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state.inString = true;
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end = true;
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break;
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}
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escaped = !escaped && next == "\\";
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}
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if (end) state.tokenize = tokenBase;
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return "string";
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};
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}
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function tokenComment(stream, state) {
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var maybeEnd = false, ch;
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while (ch = stream.next()) {
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if (ch == "#" && maybeEnd) {
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state.tokenize = tokenBase;
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break;
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}
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maybeEnd = (ch == "*");
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}
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return "comment";
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}
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function tokenUnparsed(stream, state) {
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var maybeEnd = 0, ch;
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while (ch = stream.next()) {
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if (ch == "#" && maybeEnd == 2) {
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state.tokenize = tokenBase;
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break;
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}
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if (ch == "]")
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maybeEnd++;
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else if (ch != " ")
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maybeEnd = 0;
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}
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return "meta";
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}
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// Interface
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return {
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startState: function() {
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return {
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tokenize: tokenBase,
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beforeParams: false,
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inParams: false,
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inString: false,
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lastTokenWasBuiltin: false
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};
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},
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token: function(stream, state) {
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if (stream.eatSpace()) return null;
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return state.tokenize(stream, state);
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},
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blockCommentStart: "#*",
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blockCommentEnd: "*#",
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lineComment: "##",
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fold: "velocity"
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};
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});
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CodeMirror.defineMIME("text/velocity", "velocity");
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});
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