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var EXPORTED_SYMBOLS = ['Redirect'];
function Redirect(exampleUrl, includePattern, redirectUrl, patternType, excludePattern, unescapeMatches, escapeMatches, disabled) {
this._init(exampleUrl, includePattern, redirectUrl, patternType, excludePattern, unescapeMatches, escapeMatches, disabled);
}
//Static
Redirect.WILDCARD = 'W';
Redirect.REGEX = 'R';
Redirect.prototype = {
//attributes
exampleUrl : null,
get includePattern() { return this._includePattern; },
set includePattern(value) {
this._includePattern = value;
this._rxInclude = this._compile(value);
},
get excludePattern() { return this._excludePattern; },
set excludePattern(value) {
this._excludePattern = value;
this._rxExclude = this._compile(value);
},
redirectUrl : null,
get patternType() { return this._patternType; },
set patternType(value) {
this._patternType = value;
this.compile();
},
unescapeMatches : false,
escapeMatches : false,
disabled : false,
//Functions
clone : function() {
return new Redirect().fromObject(this.toObject());
},
compile : function() {
this._rxInclude = this._compile(this._includePattern);
this._rxExclude = this._compile(this._excludePattern);
},
toObject : function() {
return {
exampleUrl : this.exampleUrl,
includePattern : this.includePattern,
excludePattern : this.excludePattern,
redirectUrl : this.redirectUrl,
patternType : this.patternType,
unescapeMatches : this.unescapeMatches,
escapeMatches : this.escapeMatches,
disabled : !!this.disabled
};
},
fromObject : function(o) {
for (var prop in o) {
this[prop] = o[prop];
}
return this;
},
copyValues : function(other) {
this.exampleUrl = other.exampleUrl;
this.includePattern = other.includePattern;
this.excludePattern = other.excludePattern;
this.redirectUrl = other.redirectUrl;
this.patternType = other.patternType;
this.unescapeMatches = other.unescapeMatches;
this.escapeMatches = other.escapeMatches;
this.disabled = other.disabled;
},
equals : function(redirect) {
return this.exampleUrl == redirect.exampleUrl
&& this.includePattern == redirect.includePattern
&& this.excludePattern == redirect.excludePattern
&& this.redirectUrl == redirect.redirectUrl
&& this.patternType == redirect.patternType
&& this.unescapeMatches == redirect.unescapeMatches
&& this.escapeMatches == redirect.escapeMatches
;
},
getMatch: function(url) {
var result = {
isMatch : false,
isExcludeMatch : false,
isDisabledMatch : false,
redirectTo : '',
toString : function() { return "{ isMatch : " + this.isMatch +
", isExcludeMatch : " + this.isExcludeMatch +
", isDisabledMatch : " + this.isDisabledMatch +
", redirectTo : \"" + this.redirectTo + "\"" +
"}"; }
};
var redirectTo = null;
redirectTo = this._includeMatch(url);
if (redirectTo !== null) {
if (this.disabled) {
result.isDisabledMatch = true;
}
if (this._excludeMatch(url)) {
result.isExcludeMatch = true;
} else {
result.isMatch = true;
result.redirectTo = redirectTo;
}
}
return result;
},
isRegex: function() {
return this.patternType == Redirect.REGEX;
},
isWildcard : function() {
return this.patternType == Redirect.WILDCARD;
},
test : function() {
return this.getMatch(this.exampleUrl);
},
//Private functions below
_includePattern : null,
_excludePattern : null,
_patternType : null,
_rxInclude : null,
_rxExclude : null,
_preparePattern : function(pattern) {
if (this.patternType == Redirect.REGEX) {
return pattern;
} else { //Convert wildcard to regex pattern
var converted = '^';
for (var i = 0; i < pattern.length; i++) {
var ch = pattern.charAt(i);
if ('()[]{}?.^$\\+'.indexOf(ch) != -1) {
converted += '\\' + ch;
} else if (ch == '*') {
converted += '(.*?)';
} else {
converted += ch;
}
}
converted += '$';
return converted;
}
},
_compile : function(pattern) {
if (!pattern) {
return null;
}
return new RegExp(this._preparePattern(pattern),"gi");
},
_init : function(exampleUrl, includePattern, redirectUrl, patternType, excludePattern, unescapeMatches, escapeMatches, disabled) {
this.exampleUrl = exampleUrl || '';
this.includePattern = includePattern || '';
this.excludePattern = excludePattern || '';
this.redirectUrl = redirectUrl || '';
this.patternType = patternType || Redirect.WILDCARD;
this.unescapeMatches = (unescapeMatches === 'true' || unescapeMatches === true);
this.escapeMatches = (escapeMatches === 'true' || escapeMatches === true);
this.disabled = (disabled === 'true' || disabled === true);
},
toString : function() {
return 'REDIRECT: {'
+ '\n\tExample url : ' + this.exampleUrl
+ '\n\tInclude pattern : ' + this.includePattern
+ '\n\tExclude pattern : ' + this.excludePattern
+ '\n\tRedirect url : ' + this.redirectUrl
+ '\n\tPattern type : ' + this.patternType
+ '\n\tUnescape matches : ' + this.unescapeMatches
+ '\n\tEscape matches : ' + this.escapeMatches
+ '\n\tDisabled : ' + this.disabled
+ '\n}\n';
},
_includeMatch : function(url) {
if (!this._rxInclude) {
return null;
}
var matches = this._rxInclude.exec(url);
if (!matches) {
return null;
}
var resultUrl = this.redirectUrl;
for (var i = 1; i < matches.length; i++) {
var repl = matches[i] || '';
if (this.unescapeMatches) {
repl = unescape(repl);
}
if (this.escapeMatches) {
repl = encodeURIComponent(repl);
}
resultUrl = resultUrl.replace(new RegExp('\\$' + i, 'gi'), repl);
}
this._rxInclude.lastIndex = 0;
return resultUrl;
},
_excludeMatch : function(url) {
if (!this._rxExclude) {
return false;
}
var shouldExclude = !!this._rxExclude.exec(url);
this._rxExclude.lastIndex = 0;
return shouldExclude;
}
};
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