// CodeMirror, copyright © by Marijn Haverbeke and others // Distributed under an MIT license: codemirror.net/LICENSE

(function(mod) {

if (typeof exports == "object" && typeof module == "object") // CommonJS
  mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
  define(["../../lib/codemirror"], mod);
else // Plain browser env
  mod(CodeMirror);

})(function(CodeMirror) { “use strict”;

CodeMirror.defineMode(“velocity”, function() {

function parseWords(str) {
    var obj = {}, words = str.split(" ");
    for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
    return obj;
}

var keywords = parseWords("#end #else #break #stop #[[ #]] " +
                          "#{end} #{else} #{break} #{stop}");
var functions = parseWords("#if #elseif #foreach #set #include #parse #macro #define #evaluate " +
                           "#{if} #{elseif} #{foreach} #{set} #{include} #{parse} #{macro} #{define} #{evaluate}");
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");
var isOperatorChar = /[+\-*&%=<>!?:\/|]/;

function chain(stream, state, f) {
    state.tokenize = f;
    return f(stream, state);
}
function tokenBase(stream, state) {
    var beforeParams = state.beforeParams;
    state.beforeParams = false;
    var ch = stream.next();
    // start of unparsed string?
    if ((ch == "'") && !state.inString && state.inParams) {
        state.lastTokenWasBuiltin = false;
        return chain(stream, state, tokenString(ch));
    }
    // start of parsed string?
    else if ((ch == '"')) {
        state.lastTokenWasBuiltin = false;
        if (state.inString) {
            state.inString = false;
            return "string";
        }
        else if (state.inParams)
            return chain(stream, state, tokenString(ch));
    }
    // is it one of the special signs []{}().,;? Seperator?
    else if (/[\[\]{}\(\),;\.]/.test(ch)) {
        if (ch == "(" && beforeParams)
            state.inParams = true;
        else if (ch == ")") {
            state.inParams = false;
            state.lastTokenWasBuiltin = true;
        }
        return null;
    }
    // start of a number value?
    else if (/\d/.test(ch)) {
        state.lastTokenWasBuiltin = false;
        stream.eatWhile(/[\w\.]/);
        return "number";
    }
    // multi line comment?
    else if (ch == "#" && stream.eat("*")) {
        state.lastTokenWasBuiltin = false;
        return chain(stream, state, tokenComment);
    }
    // unparsed content?
    else if (ch == "#" && stream.match(/ *\[ *\[/)) {
        state.lastTokenWasBuiltin = false;
        return chain(stream, state, tokenUnparsed);
    }
    // single line comment?
    else if (ch == "#" && stream.eat("#")) {
        state.lastTokenWasBuiltin = false;
        stream.skipToEnd();
        return "comment";
    }
    // variable?
    else if (ch == "$") {
        stream.eatWhile(/[\w\d\$_\.{}]/);
        // is it one of the specials?
        if (specials && specials.propertyIsEnumerable(stream.current())) {
            return "keyword";
        }
        else {
            state.lastTokenWasBuiltin = true;
            state.beforeParams = true;
            return "builtin";
        }
    }
    // is it a operator?
    else if (isOperatorChar.test(ch)) {
        state.lastTokenWasBuiltin = false;
        stream.eatWhile(isOperatorChar);
        return "operator";
    }
    else {
        // get the whole word
        stream.eatWhile(/[\w\$_{}@]/);
        var word = stream.current();
        // is it one of the listed keywords?
        if (keywords && keywords.propertyIsEnumerable(word))
            return "keyword";
        // is it one of the listed functions?
        if (functions && functions.propertyIsEnumerable(word) ||
                (stream.current().match(/^#@?[a-z0-9_]+ *$/i) && stream.peek()=="(") &&
                 !(functions && functions.propertyIsEnumerable(word.toLowerCase()))) {
            state.beforeParams = true;
            state.lastTokenWasBuiltin = false;
            return "keyword";
        }
        if (state.inString) {
            state.lastTokenWasBuiltin = false;
            return "string";
        }
        if (stream.pos > word.length && stream.string.charAt(stream.pos-word.length-1)=="." && state.lastTokenWasBuiltin)
            return "builtin";
        // default: just a "word"
        state.lastTokenWasBuiltin = false;
        return null;
    }
}

function tokenString(quote) {
    return function(stream, state) {
        var escaped = false, next, end = false;
        while ((next = stream.next()) != null) {
            if ((next == quote) && !escaped) {
                end = true;
                break;
            }
            if (quote=='"' && stream.peek() == '$' && !escaped) {
                state.inString = true;
                end = true;
                break;
            }
            escaped = !escaped && next == "\\";
        }
        if (end) state.tokenize = tokenBase;
        return "string";
    };
}

function tokenComment(stream, state) {
    var maybeEnd = false, ch;
    while (ch = stream.next()) {
        if (ch == "#" && maybeEnd) {
            state.tokenize = tokenBase;
            break;
        }
        maybeEnd = (ch == "*");
    }
    return "comment";
}

function tokenUnparsed(stream, state) {
    var maybeEnd = 0, ch;
    while (ch = stream.next()) {
        if (ch == "#" && maybeEnd == 2) {
            state.tokenize = tokenBase;
            break;
        }
        if (ch == "]")
            maybeEnd++;
        else if (ch != " ")
            maybeEnd = 0;
    }
    return "meta";
}
// Interface

return {
    startState: function() {
        return {
            tokenize: tokenBase,
            beforeParams: false,
            inParams: false,
            inString: false,
            lastTokenWasBuiltin: false
        };
    },

    token: function(stream, state) {
        if (stream.eatSpace()) return null;
        return state.tokenize(stream, state);
    },
    blockCommentStart: "#*",
    blockCommentEnd: "*#",
    lineComment: "##",
    fold: "velocity"
};

});

CodeMirror.defineMIME(“text/velocity”, “velocity”);

});