Created
August 2, 2011 03:36
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jquery.url.js
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// JQuery URL Parser plugin - https://github.com/allmarkedup/jQuery-URL-Parser | |
// Written by Mark Perkins, mark@allmarkedup.com | |
// License: http://unlicense.org/ (i.e. do what you want with it!) | |
;(function($, undefined) { | |
var tag2attr = { | |
a : 'href', | |
img : 'src', | |
form : 'action', | |
base : 'href', | |
script : 'src', | |
iframe : 'src', | |
link : 'href' | |
}, | |
key = ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","fragment"], // keys available to query | |
aliases = { "anchor" : "fragment" }, // aliases for backwards compatability | |
parser = { | |
strict : /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/, //less intuitive, more accurate to the specs | |
loose : /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/ // more intuitive, fails on relative paths and deviates from specs | |
}, | |
querystring_parser = /(?:^|&|;)([^&=;]*)=?([^&;]*)/g, // supports both ampersand and semicolon-delimted query string key/value pairs | |
fragment_parser = /(?:^|&|;)([^&=;]*)=?([^&;]*)/g; // supports both ampersand and semicolon-delimted fragment key/value pairs | |
function parseUri( url, strictMode ) | |
{ | |
var str = decodeURI( url ), | |
res = parser[ strictMode || false ? "strict" : "loose" ].exec( str ), | |
uri = { attr : {}, param : {}, seg : {} }, | |
i = 14; | |
while ( i-- ) | |
{ | |
uri.attr[ key[i] ] = res[i] || ""; | |
} | |
// build query and fragment parameters | |
uri.param['query'] = {}; | |
uri.param['fragment'] = {}; | |
uri.attr['query'].replace( querystring_parser, function ( $0, $1, $2 ){ | |
if ($1) | |
{ | |
uri.param['query'][$1] = $2; | |
} | |
}); | |
uri.attr['fragment'].replace( fragment_parser, function ( $0, $1, $2 ){ | |
if ($1) | |
{ | |
uri.param['fragment'][$1] = $2; | |
} | |
}); | |
// split path and fragement into segments | |
uri.seg['path'] = uri.attr.path.replace(/^\/+|\/+$/g,'').split('/'); | |
uri.seg['fragment'] = uri.attr.fragment.replace(/^\/+|\/+$/g,'').split('/'); | |
// compile a 'base' domain attribute | |
uri.attr['base'] = uri.attr.host ? uri.attr.protocol+"://"+uri.attr.host + (uri.attr.port ? ":"+uri.attr.port : '') : ''; | |
return uri; | |
}; | |
function getAttrName( elm ) | |
{ | |
var tn = elm.tagName; | |
if ( tn !== undefined ) return tag2attr[tn.toLowerCase()]; | |
return tn; | |
} | |
$.fn.url = function( strictMode ) | |
{ | |
var url = ''; | |
if ( this.length ) | |
{ | |
url = $(this).attr( getAttrName(this[0]) ) || ''; | |
} | |
return $.url( url, strictMode ); | |
}; | |
$.url = function( url, strictMode ) | |
{ | |
if ( arguments.length === 1 && url === true ) | |
{ | |
strictMode = true; | |
url = undefined; | |
} | |
strictMode = strictMode || false; | |
url = url || window.location.toString(); | |
return { | |
data : parseUri(url, strictMode), | |
// get various attributes from the URI | |
attr : function( attr ) | |
{ | |
attr = aliases[attr] || attr; | |
return attr !== undefined ? this.data.attr[attr] : this.data.attr; | |
}, | |
// return query string parameters | |
param : function( param ) | |
{ | |
return param !== undefined ? this.data.param.query[param] : this.data.param.query; | |
}, | |
// return fragment parameters | |
fparam : function( param ) | |
{ | |
return param !== undefined ? this.data.param.fragment[param] : this.data.param.fragment; | |
}, | |
// return path segments | |
segment : function( seg ) | |
{ | |
if ( seg === undefined ) | |
{ | |
return this.data.seg.path; | |
} | |
else | |
{ | |
seg = seg < 0 ? this.data.seg.path.length + seg : seg - 1; // negative segments count from the end | |
if(this.data.seg.path[seg]===undefined){ | |
return 'heart'; | |
}else{ | |
return this.data.seg.path[seg]; | |
} | |
} | |
}, | |
// return fragment segments | |
fsegment : function( seg ) | |
{ | |
if ( seg === undefined ) | |
{ | |
return this.data.seg.fragment; | |
} | |
else | |
{ | |
seg = seg < 0 ? this.data.seg.fragment.length + seg : seg - 1; // negative segments count from the end | |
return this.data.seg.fragment[seg]; | |
} | |
}, | |
merge : function( obj ) | |
{ | |
var str=[]; | |
if ( obj === undefined ) | |
{ | |
$.each(this.data.param.query,function(k,v){str.push(k+'='+v)}); | |
} | |
else | |
{ | |
$.each($.extend(this.data.param.query,obj),function(k,v){str.push(k+'='+v)}); | |
} | |
if(str.length==0) | |
{ | |
return '/'+this.data.seg.path.join('/'); | |
} | |
else | |
{ | |
return '/'+this.data.seg.path.join('/') + '?' + str.join('&'); | |
} | |
}, | |
addMerge : function( obj ) | |
{ | |
var str=[]; | |
if ( obj === undefined ) | |
{ | |
$.each(this.data.param.query,function(k,v){str.push(k+'='+v)}); | |
} | |
else | |
{ | |
var newObj = {}; | |
var op = this.data.param.query; | |
$.each(obj,function(k,v){ | |
if(op[k]===undefined){ | |
newObj[k] = v; | |
}else{ | |
var ar = op[k].split(/%2C|,/); | |
ar.push(v); | |
newObj[k] = $.unique(ar.sort()).join(","); | |
} | |
}); | |
$.each($.extend(this.data.param.query,newObj),function(k,v){str.push(k+'='+v)}); | |
} | |
if(str.length==0) | |
{ | |
return '/'+this.data.seg.path.join('/'); | |
} | |
else | |
{ | |
return '/'+this.data.seg.path.join('/') + '?' + str.join('&'); | |
} | |
} | |
}; | |
}; | |
})(jQuery); |
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