
/*******************************
 * JSON PART
 *********************************/

/*
Copyright (c) 2005 JSON.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The Software shall be used for Good, not Evil.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/



var JSON = {

    org: 'http://www.JSON.org',
    copyright: '(c)2005 JSON.org',
    license: 'http://www.crockford.com/JSON/license.html',

      parse: function (text) {
        var at = 0;
        var ch = ' ';

        function error(m) {
            throw {
                name: 'JSONError',
                message: m,
                at: at - 1,
                text: text
            };
        }

        function next() {
            ch = text.charAt(at);
            at += 1;
            return ch;
        }

        function white() {
            while (ch !== '' && ch <= ' ') {
                next();
            }
        }

        function str() {
            var i, s = '', t, u;

            if (ch == '"') {
outer:          while (next()) {
                    if (ch == '"') {
                        next();
                        return s;
                    } else if (ch == '\\') {
                        switch (next()) {
                        case 'b':
                            s += '\b';
                            break;
                        case 'f':
                            s += '\f';
                            break;
                        case 'n':
                            s += '\n';
                            break;
                        case 'r':
                            s += '\r';
                            break;
                        case 't':
                            s += '\t';
                            break;
                        case 'u':
                            u = 0;
                            for (i = 0; i < 4; i += 1) {
                                t = parseInt(next(), 16);
                                if (!isFinite(t)) {
                                    break outer;
                                }
                                u = u * 16 + t;
                            }
                            s += String.fromCharCode(u);
                            break;
                        default:
                            s += ch;
                        }
                    } else {
                        s += ch;
                    }
                }
            }
            error("Bad string");
        }

        function arr() {
            var a = [];

            if (ch == '[') {
                next();
                white();
                if (ch == ']') {
                    next();
                    return a;
                }
                while (ch) {
                    a.push(val());
                    white();
                    if (ch == ']') {
                        next();
                        return a;
                    } else if (ch != ',') {
                        break;
                    }
                    next();
                    white();
                }
            }
            error("Bad array");
        }

        function obj() {
            var k, o = {};

            if (ch == '{') {
                next();
                white();
                if (ch == '}') {
                    next();
                    return o;
                }
                while (ch) {
                    k = str();
                    white();
                    if (ch != ':') {
                        break;
                    }
                    next();
                    o[k] = val();
                    white();
                    if (ch == '}') {
                        next();
                        return o;
                    } else if (ch != ',') {
                        break;
                    }
                    next();
                    white();
                }
            }
            error("Bad object");
        }

        function num() {
            var n = '', v;
            if (ch == '-') {
                n = '-';
                next();
            }
            while (ch >= '0' && ch <= '9') {
                n += ch;
                next();
            }
            if (ch == '.') {
                n += '.';
                while (next() && ch >= '0' && ch <= '9') {
                    n += ch;
                }
            }
            if (ch == 'e' || ch == 'E') {
                n += 'e';
                next();
                if (ch == '-' || ch == '+') {
                    n += ch;
                    next();
                }
                while (ch >= '0' && ch <= '9') {
                    n += ch;
                    next();
                }
            }
            v = +n;
            if (!isFinite(v)) {
                error("Bad number");
            } else {
                return v;
            }
        }

        function word() {
            switch (ch) {
                case 't':
                    if (next() == 'r' && next() == 'u' && next() == 'e') {
                        next();
                        return true;
                    }
                    break;
                case 'f':
                    if (next() == 'a' && next() == 'l' && next() == 's' &&
                            next() == 'e') {
                        next();
                        return false;
                    }
                    break;
                case 'n':
                    if (next() == 'u' && next() == 'l' && next() == 'l') {
                        next();
                        return null;
                    }
                    break;
            }
            error("Syntax error");
        }

        function val() {
            white();
            switch (ch) {
                case '{':
                    return obj();
                case '[':
                    return arr();
                case '"':
                    return str();
                case '-':
                    return num();
                default:
                    return ch >= '0' && ch <= '9' ? num() : word();
            }
        }
        return val();
    }
    
};

/**
 * TrimPath Template. Release 1.0.35.
 * Copyright (C) 2004, 2005 Metaha.
 * 
 * TrimPath Template is licensed under the GNU General Public License
 * and the Apache License, Version 2.0, as follows:
 *
 * This program is free software; you can redistribute it and/or 
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed WITHOUT ANY WARRANTY; without even the 
 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
 * See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var TrimPath;



// TODO: Debugging mode vs stop-on-error mode - runtime flag.

// TODO: Handle || (or) characters and backslashes.
// TODO: Add more modifiers.


(function() {               // Using a closure to keep global namespace clean.

    if (TrimPath == null)

        TrimPath = new Object();

    if (TrimPath.evalEx == null)

        TrimPath.evalEx = function(src) { return eval(src); };

//	alert(Array.prototype.pop+"     "+Array.prototype);
    var UNDEFINED;
    if (Array.prototype.pop == null)  // IE 5.x fix from Igor Poteryaev.
        Array.prototype.pop = function() {
            if (this.length === 0) {return UNDEFINED;}
            return this[--this.length];
        };
    if (Array.prototype.push == null) // IE 5.x fix from Igor Poteryaev.
        Array.prototype.push = function() {
            for (var i = 0; i < arguments.length; ++i) {this[this.length] = arguments[i];}
            return this.length;
        };

    TrimPath.parseTemplate = function(tmplContent, optTmplName, optEtc) {

        if (optEtc == null)

            optEtc = TrimPath.parseTemplate_etc;

        var funcSrc = parse(tmplContent, optTmplName, optEtc);
        var func = TrimPath.evalEx(funcSrc, optTmplName, 1);
        if (func != null)
            return new optEtc.Template(optTmplName, tmplContent, funcSrc, func, optEtc);
        return null;
    }

    

    try {

        String.prototype.process = function(context, optFlags) {

            var template = TrimPath.parseTemplate(this, null);
            if (template != null)
                return template.process(context, optFlags);
            return this;

        }

    } catch (e) { // Swallow exception, such as when String.prototype is sealed.

    }

    

    TrimPath.parseTemplate_etc = {};            // Exposed for extensibility.

    TrimPath.parseTemplate_etc.statementTag = "forelse|for|if|elseif|else|var|macro";

    TrimPath.parseTemplate_etc.statementDef = { // Lookup table for statement tags.
        "if"     : { delta:  1, prefix: "if (", suffix: ") {", paramMin: 1 },
        "else"   : { delta:  0, prefix: "} else {" },
        "elseif" : { delta:  0, prefix: "} else if (", suffix: ") {", paramDefault: "true" },
        "/if"    : { delta: -1, prefix: "}" },
        "for"    : { delta:  1, paramMin: 3, 
                     prefixFunc : function(stmtParts, state, tmplName, etc) {
                        if (stmtParts[2] != "in")
                            throw new etc.ParseError(tmplName, state.line, "bad for loop statement: " + stmtParts.join(' '));
                        var iterVar = stmtParts[1];
                        var listVar = "__LIST__" + iterVar;
                        return [ "var ", listVar, " = ", stmtParts[3], ";",
                             // Fix from Ross Shaull for hash looping, make sure that we have an array of loop lengths to treat like a stack.
                             "var __LENGTH_STACK__;",
                             "if (typeof(__LENGTH_STACK__) == 'undefined' || !__LENGTH_STACK__.length) __LENGTH_STACK__ = new Array();", 
                             "__LENGTH_STACK__[__LENGTH_STACK__.length] = 0;", // Push a new for-loop onto the stack of loop lengths.
                             "if ((", listVar, ") != null) { ",
                             "var ", iterVar, "_ct = 0;",       // iterVar_ct variable, added by B. Bittman     
                             "for (var ", iterVar, "_index in ", listVar, ") { ",
                             iterVar, "_ct++;",
                             "if (typeof(", listVar, "[", iterVar, "_index]) == 'function') {continue;}", // IE 5.x fix from Igor Poteryaev.
                             "__LENGTH_STACK__[__LENGTH_STACK__.length - 1]++;",
                             "var ", iterVar, " = ", listVar, "[", iterVar, "_index];" ].join("");
                     } },
        "forelse" : { delta:  0, prefix: "} } if (__LENGTH_STACK__[__LENGTH_STACK__.length - 1] == 0) { if (", suffix: ") {", paramDefault: "true" },
        "/for"    : { delta: -1, prefix: "} }; delete __LENGTH_STACK__[__LENGTH_STACK__.length - 1];" }, // Remove the just-finished for-loop from the stack of loop lengths.
        "var"     : { delta:  0, prefix: "var ", suffix: ";" },
        "macro"   : { delta:  1, prefix: "function ", suffix: "{ var _OUT_arr = []; var _OUT = { write: function(m) { if (m) _OUT_arr.push(m); } }; " }, 
        "/macro"  : { delta: -1, prefix: " return _OUT_arr.join(''); }" }
    }

    TrimPath.parseTemplate_etc.modifierDef = {

        "eat"        : function(v)    { return ""; },

        "escape"     : function(s)    { return String(s).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;"); },

        "capitalize" : function(s)    { return String(s).toUpperCase(); },

        "default"    : function(s, d) { return s != null ? s : d; }

    }
    TrimPath.parseTemplate_etc.modifierDef.h = TrimPath.parseTemplate_etc.modifierDef.escape;


    TrimPath.parseTemplate_etc.Template = function(tmplName, tmplContent, funcSrc, func, etc) {
        this.process = function(context, flags) {

            if (context == null)

                context = {};

            if (context._MODIFIERS == null)

                context._MODIFIERS = {};
            if (context.defined == null)
                context.defined = function(str) { return (context[str] != undefined); };

            for (var k in etc.modifierDef) {

                if (context._MODIFIERS[k] == null)

                    context._MODIFIERS[k] = etc.modifierDef[k];

            }

            if (flags == null)

                flags = {};

            var resultArr = [];
            var resultOut = { write: function(m) { resultArr.push(m); } };

            try {
                func(resultOut, context, flags);

            } catch (e) {

                if (flags.throwExceptions == true)

                    throw e;

                var result = new String(resultArr.join("") + "[ERROR: " + e.toString() + "]");
                result["exception"] = e;
                return result;

            }
            return resultArr.join("");
        }

        this.name       = tmplName;

        this.source     = tmplContent; 

        this.sourceFunc = funcSrc;

        this.toString   = function() { return "TrimPath.Template [" + tmplName + "]"; }
    }
    TrimPath.parseTemplate_etc.ParseError = function(name, line, message) {

        this.name    = name;
        this.line    = line;
        this.message = message;
    }
    TrimPath.parseTemplate_etc.ParseError.prototype.toString = function() { 
        return ("TrimPath template ParseError in " + this.name + ": line " + this.line + ", " + this.message);
    }

    
    var parse = function(body, tmplName, etc) {
        body = cleanWhiteSpace(body);
        var funcText = [ "var TrimPath_Template_TEMP = function(_OUT, _CONTEXT, _FLAGS) { with (_CONTEXT) {" ];
        var state    = { stack: [], line: 1 };                              // TODO: Fix line number counting.
        var endStmtPrev = -1;
        while (endStmtPrev + 1 < body.length) {
            var begStmt = endStmtPrev;
            // Scan until we find some statement markup.
            begStmt = body.indexOf("{", begStmt + 1);
            while (begStmt >= 0) {
                var endStmt = body.indexOf('}', begStmt + 1);
                var stmt = body.substring(begStmt, endStmt);
                var blockrx = stmt.match(/^\{(cdata|minify|eval)/); // From B. Bittman, minify/eval/cdata implementation.
                if (blockrx) {
                    var blockType = blockrx[1]; 
                    var blockMarkerBeg = begStmt + blockType.length + 1;
                    var blockMarkerEnd = body.indexOf('}', blockMarkerBeg);
                    if (blockMarkerEnd >= 0) {
                        var blockMarker;
                        if( blockMarkerEnd - blockMarkerBeg <= 0 ) {
                            blockMarker = "{/" + blockType + "}";
                        } else {
                            blockMarker = body.substring(blockMarkerBeg + 1, blockMarkerEnd);
                        }                        
                        
                        var blockEnd = body.indexOf(blockMarker, blockMarkerEnd + 1);
                        if (blockEnd >= 0) {                            
                            emitSectionText(body.substring(endStmtPrev + 1, begStmt), funcText);
                            
                            var blockText = body.substring(blockMarkerEnd + 1, blockEnd);
                            if (blockType == 'cdata') {
                                emitText(blockText, funcText);
                            } else if (blockType == 'minify') {
                                emitText(scrubWhiteSpace(blockText), funcText);
                            } else if (blockType == 'eval') {
                                try {
                                    eval(blockText);
                                } catch (e) {
                                    throw "Error eval'ing block:\n" + e + "\n" + blockText;
                                }
                            }
                            begStmt = endStmtPrev = blockEnd + blockMarker.length - 1;
                        }
                    }                        
                } else if (body.charAt(begStmt - 1) != '$' &&               // Not an expression or backslashed,
                           body.charAt(begStmt - 1) != '\\') {              // so check if it is a statement tag.
                    var offset = (body.charAt(begStmt + 1) == '/' ? 2 : 1); // Close tags offset of 2 skips '/'.
                                                                            // 10 is larger than maximum statement tag length.
                    if (body.substring(begStmt + offset, begStmt + 10 + offset).search(TrimPath.parseTemplate_etc.statementTag) == 0) 
                        break;                                              // Found a match.
                }
                begStmt = body.indexOf("{", begStmt + 1);
            }
            if (begStmt < 0)                              // In "a{for}c", begStmt will be 1.
                break;
            var endStmt = body.indexOf("}", begStmt + 1); // In "a{for}c", endStmt will be 5.
            if (endStmt < 0)
                break;
            emitSectionText(body.substring(endStmtPrev + 1, begStmt), funcText);
            emitStatement(body.substring(begStmt, endStmt + 1), state, funcText, tmplName, etc);
            endStmtPrev = endStmt;
        }
        emitSectionText(body.substring(endStmtPrev + 1), funcText);
        if (state.stack.length != 0)
            throw new etc.ParseError(tmplName, state.line, "unclosed, unmatched statement(s): " + state.stack.join(","));
        funcText.push("}}; TrimPath_Template_TEMP");
        return funcText.join("");
    }
    
    var emitStatement = function(stmtStr, state, funcText, tmplName, etc) {
        var parts = stmtStr.slice(1, -1).split(' ');
        var stmt = etc.statementDef[parts[0]]; // Here, parts[0] == for/if/else/...
        if (stmt == null) {                    // Not a real statement.
            emitSectionText(stmtStr, funcText);
            return;
        }
        if (stmt.delta < 0) {
            if (state.stack.length <= 0)
                throw new etc.ParseError(tmplName, state.line, "close tag does not match any previous statement: " + stmtStr);
            state.stack.pop();
        } 
        if (stmt.delta > 0)
            state.stack.push(stmtStr);

        if (stmt.paramMin != null &&
            stmt.paramMin >= parts.length)
            throw new etc.ParseError(tmplName, state.line, "statement needs more parameters: " + stmtStr);
        if (stmt.prefixFunc != null)
            funcText.push(stmt.prefixFunc(parts, state, tmplName, etc));
        else 
            funcText.push(stmt.prefix);
        if (stmt.suffix != null) {
            if (parts.length <= 1) {
                if (stmt.paramDefault != null)
                    funcText.push(stmt.paramDefault);
            } else {
                for (var i = 1; i < parts.length; i++) {
                    if (i > 1)
                        funcText.push(' ');
                    funcText.push(parts[i]);
                }
            }
            funcText.push(stmt.suffix);
        }
    }


    var emitSectionText = function(text, funcText) {
        if (text.length <= 0)
            return;
        var nlPrefix = 0;               // Index to first non-newline in prefix.
        var nlSuffix = text.length - 1; // Index to first non-space/tab in suffix.

        while (nlPrefix < text.length && (text.charAt(nlPrefix) == '\n'))
            nlPrefix++;
        while (nlSuffix >= 0 && (text.charAt(nlSuffix) == ' ' || text.charAt(nlSuffix) == '\t'))
            nlSuffix--;
        if (nlSuffix < nlPrefix)
            nlSuffix = nlPrefix;
        if (nlPrefix > 0) {
            funcText.push('if (_FLAGS.keepWhitespace == true) _OUT.write("');

            var s = text.substring(0, nlPrefix).replace('\n', '\\n'); // A macro IE fix from BJessen.
            if (s.charAt(s.length - 1) == '\n')
            	s = s.substring(0, s.length - 1);
            funcText.push(s);
            funcText.push('");');
        }
        var lines = text.substring(nlPrefix, nlSuffix + 1).split('\n');
        for (var i = 0; i < lines.length; i++) {
            emitSectionTextLine(lines[i], funcText);
            if (i < lines.length - 1)
                funcText.push('_OUT.write("\\n");\n');
        }

        if (nlSuffix + 1 < text.length) {
            funcText.push('if (_FLAGS.keepWhitespace == true) _OUT.write("');
            var s = text.substring(nlSuffix + 1).replace('\n', '\\n');
            if (s.charAt(s.length - 1) == '\n')
            	s = s.substring(0, s.length - 1);
            funcText.push(s);
            funcText.push('");');
        }
    }
    
    var emitSectionTextLine = function(line, funcText) {
        var endMarkPrev = '}';
        var endExprPrev = -1;
        while (endExprPrev + endMarkPrev.length < line.length) {
            var begMark = "*[", endMark = "]";
            var begExpr = line.indexOf(begMark, endExprPrev + endMarkPrev.length); // In "a${b}c", begExpr == 1
            if (begExpr < 0)
                break;
            if (line.charAt(begExpr + 2) == '%') {
                begMark = "*[%";
                endMark = "%]";
            }
            var endExpr = line.indexOf(endMark, begExpr + begMark.length);         // In "a${b}c", endExpr == 4;
            if (endExpr < 0)
                break;
            emitText(line.substring(endExprPrev + endMarkPrev.length, begExpr), funcText);                
            // Example: exprs == 'firstName|default:"John Doe"|capitalize'.split('|')
            var exprArr = line.substring(begExpr + begMark.length, endExpr).replace(/\|\|/g, "#@@#").split('|');
            for (var k in exprArr) {
                if (exprArr[k].replace) // IE 5.x fix from Igor Poteryaev.
                    exprArr[k] = exprArr[k].replace(/#@@#/g, '||');
            }
            funcText.push('_OUT.write(');
            emitExpression(exprArr, exprArr.length - 1, funcText); 
            funcText.push(');');
            endExprPrev = endExpr;
            endMarkPrev = endMark;
        }
        emitText(line.substring(endExprPrev + endMarkPrev.length), funcText); 
    }
    
    var emitText = function(text, funcText) {
        if (text == null ||
            text.length <= 0)
            return;
        text = text.replace(/\\/g, '\\\\');
        text = text.replace(/\n/g, '\\n');
        text = text.replace(/"/g,  '\\"');
        funcText.push('_OUT.write("');
        funcText.push(text);
        funcText.push('");');
    }
    
    var emitExpression = function(exprArr, index, funcText) {
        // Ex: foo|a:x|b:y1,y2|c:z1,z2 is emitted as c(b(a(foo,x),y1,y2),z1,z2)
        var expr = exprArr[index]; // Ex: exprArr == [firstName,capitalize,default:"John Doe"]
        if (index <= 0) {          // Ex: expr    == 'default:"John Doe"'

            funcText.push(expr);
            return;
        }
        var parts = expr.split(':');
        funcText.push('_MODIFIERS["');
        funcText.push(parts[0]); // The parts[0] is a modifier function name, like capitalize.
        funcText.push('"](');
        emitExpression(exprArr, index - 1, funcText);
        if (parts.length > 1) {
            funcText.push(',');
            funcText.push(parts[1]);
        }
        funcText.push(')');
    }


    var cleanWhiteSpace = function(result) {
        result = result.replace(/\t/g,   "    ");
        result = result.replace(/\r\n/g, "\n");
        result = result.replace(/\r/g,   "\n");
        result = result.replace(/^(\s*\S*(\s+\S+)*)\s*$/, '$1'); // Right trim by Igor Poteryaev.
        return result;
    }

    var scrubWhiteSpace = function(result) {
        result = result.replace(/^\s+/g,   "");
        result = result.replace(/\s+$/g,   "");
        result = result.replace(/\s+/g,   " ");
        result = result.replace(/^(\s*\S*(\s+\S+)*)\s*$/, '$1'); // Right trim by Igor Poteryaev.
        return result;
    }

    // The DOM helper functions depend on DOM/DHTML, so they only work in a browser.
    // However, these are not considered core to the engine.
    //
    TrimPath.parseDOMTemplate = function(elementId, optDocument, optEtc) {
        if (optDocument == null)
            optDocument = document;
        var element = optDocument.getElementById(elementId);
        var content = element.value;     // Like textarea.value.
        if (content == null)
            content = element.innerHTML; // Like textarea.innerHTML.
        content = content.replace(/&lt;/g, "<").replace(/&gt;/g, ">");
        return TrimPath.parseTemplate(content, elementId, optEtc);
    }

    TrimPath.processDOMTemplate = function(elementId, context, optFlags, optDocument, optEtc) {
        return TrimPath.parseDOMTemplate(elementId, optDocument, optEtc).process(context, optFlags);
    }
}) ();

