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//*****************************************************************************
// Do not remove this notice.
//
// Copyright 2001 by Mike Hall.
// See http://www.brainjar.com for terms of use.
//*****************************************************************************
// Modified to support DynAPI Compressor 20-Nov-2002
var literalStrings; // For temporary storage of literal strings.
function Crunch(jsCode,level,callback) {
var i, jsTextOut;
Crunch._level = level;
Crunch._textOut = jsCode;
Crunch._callBack = callback;
Crunch._startCruncher();
};
Crunch._textOut='';
Crunch._textIn='';
Crunch._startCruncher=function(){
this._setStatus('Replacing literal strings... ');
if(this._level=='none') window.setTimeout('Crunch._makeCallBack()',100);
else {
window.setTimeout('Crunch._replaceLiteralStrings()',100);
}
};
Crunch._makeCallBack = function(){
if(this._callBack) this._callBack('complete',this._textOut);
};
Crunch._setStatus=function(t){
if(this._callBack) this._callBack('status',t);
};
Crunch._replaceLiteralStrings = function() {
var s=this._textOut;
var i, c, t, lines, escaped, quoteChar, inQuote, literal;
literalStrings = new Array();
t = "";
// Split script into individual lines.
lines = s.split("\n");
for (i = 0; i < lines.length; i++) {
j = 0;
inQuote = false;
while (j <= lines[i].length) {
c = lines[i].charAt(j);
// If not already in a string, look for the start of one.
if (!inQuote) {
if (c == '"' || c == "'") {
inQuote = true;
escaped = false;
quoteChar = c;
literal = c;
} else {
t += c;
}
}
// Already in a string, look for end and copy characters.
else {
if (c == quoteChar && !escaped) {
inQuote = false;
literal += quoteChar;
t += "__" + literalStrings.length + "__";
literalStrings[literalStrings.length] = literal;
} else if (c == "\\" && !escaped) {
escaped = true;
} else {
escaped = false;
}
literal += c;
}
j++;
}
t += "\n";
}
// Save text and run next function
this._textOut=t;
this._setStatus('Removing comments...');
window.setTimeout('Crunch._removeComments()',100);
}
Crunch._removeComments = function() {
var s=this._textOut;
var lines, i, t;
// Remove '//' comments from each line.
lines = s.split("\n");
t = [''];
for (i = 0; i < lines.length; i++){
if(lines[i].indexOf('//')<0) t[t.length] = lines[i];
else{
t[t.length] = lines[i].replace(/([^\x2f]*)\x2f\x2f.*$/, "$1");
}
}
t=(this._level=='low')? t.join('<$Link/>'):t.join('');
// Replace newline characters with spaces.
//t = t.replace(/(.*)\n(.*)/g, "$1 $2");
// Remove '/* ... */' comments.
lines = t.split("*/");
t = [''];
for (i = 0; i < lines.length; i++) {
if(lines[i].indexOf('/*')<0) t[t.length] = lines[i];
else{
t[t.length] = lines[i].replace(/(.*)\x2f\x2a(.*)$/g, "$1 ");
}
}
t=t.join('');
if (this._level=='low') t=t.replace(/\<\$Link\/\>/g,'\n');
// Save text and run next function
this._textOut=t;
if(this._level=='low'){
this._setStatus('Combining literal strings...');
window.setTimeout('Crunch._combineLiteralStrings()',100);
}else {
this._setStatus('Compressing white space...');
window.setTimeout('Crunch._compressWhiteSpace()',100);
}
};
Crunch._compressWhiteSpace = function() {
var s=this._textOut;
// Condense white space.
s = s.replace(/\s+/g, " ");
s = s.replace(/^\s(.*)/, "$1");
s = s.replace(/(.*)\s$/, "$1");
// Remove uneccessary white space around operators, braces and parentices.
s = s.replace(/\s([\x21\x25\x26\x28\x29\x2a\x2b\x2c\x2d\x2f\x3a\x3b\x3c\x3d\x3e\x3f\x5b\x5d\x5c\x7b\x7c\x7d\x7e])/g, "$1");
s = s.replace(/([\x21\x25\x26\x28\x29\x2a\x2b\x2c\x2d\x2f\x3a\x3b\x3c\x3d\x3e\x3f\x5b\x5d\x5c\x7b\x7c\x7d\x7e])\s/g, "$1");
// Save text and run next function
this._textOut=s;
this._setStatus('Combining literal strings...');
window.setTimeout('Crunch._combineLiteralStrings()',100);
};
Crunch._combineLiteralStrings = function() {
var s=this._textOut;
var i;
s = s.replace(/"\+"/g, "");
s = s.replace(/'\+'/g, "");
// Save text and run next function
this._textOut=s;
this._setStatus('Restoring literal strings...');
window.setTimeout('Crunch._restoreLiteralStrings()',100);
};
Crunch._restoreLiteralStrings = function() {
var s=this._textOut;
// modified: replace new RegExp("__" + i + "__") with "__" + i + "__"
var i;
for (i = 0; i < literalStrings.length; i++) {
s = s.replace("__" + i + "__", literalStrings[i]);
}
// Save text and run next function
this._textOut=s;
this._setStatus('done.');
window.setTimeout('Crunch._makeCallBack()',100);
};
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