-
Notifications
You must be signed in to change notification settings - Fork 62
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Showing
2 changed files
with
314 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,311 @@ | ||
/* | ||
* HTML Parser By John Resig (ejohn.org) | ||
* Original code by Erik Arvidsson, Mozilla Public License | ||
* http://erik.eae.net/simplehtmlparser/simplehtmlparser.js | ||
* | ||
* // Use like so: | ||
* HTMLParser(htmlString, { | ||
* start: function(tag, attrs, unary) {}, | ||
* end: function(tag) {}, | ||
* chars: function(text) {}, | ||
* comment: function(text) {} | ||
* }); | ||
* | ||
* // or to get an XML string: | ||
* HTMLtoXML(htmlString); | ||
* | ||
* // or to get an XML DOM Document | ||
* HTMLtoDOM(htmlString); | ||
* | ||
* // or to inject into an existing document/DOM node | ||
* HTMLtoDOM(htmlString, document); | ||
* HTMLtoDOM(htmlString, document.body); | ||
* | ||
*/ | ||
|
||
(function(){ | ||
|
||
// Regular Expressions for parsing tags and attributes | ||
var startTag = /^<([-A-Za-z0-9_]+)((?:\s+[-\w]+(?:\s*=\s*(?:(?:"[^"]*")|(?:'[^']*')|[^>\s]+))?)*)\s*(\/?)>/, | ||
endTag = /^<\/([-A-Za-z0-9_]+)[^>]*>/, | ||
attr = /([-A-Za-z0-9_]+)(?:\s*=\s*(?:(?:"((?:\\.|[^"])*)")|(?:'((?:\\.|[^'])*)')|([^>\s]+)))?/g; | ||
|
||
// Empty Elements - HTML 4.01 | ||
var empty = makeMap("area,base,basefont,br,col,frame,hr,img,input,isindex,link,meta,param,embed"); | ||
|
||
// Block Elements - HTML 4.01 | ||
var block = makeMap("address,applet,blockquote,button,center,dd,del,dir,div,dl,dt,fieldset,form,frameset,hr,iframe,ins,isindex,li,map,menu,noframes,noscript,object,ol,p,pre,script,table,tbody,td,tfoot,th,thead,tr,ul"); | ||
|
||
// Inline Elements - HTML 4.01 | ||
var inline = makeMap("a,abbr,acronym,applet,b,basefont,bdo,big,br,button,cite,code,del,dfn,em,font,i,iframe,img,input,ins,kbd,label,map,object,q,s,samp,script,select,small,span,strike,strong,sub,sup,textarea,tt,u,var"); | ||
|
||
// Elements that you can, intentionally, leave open | ||
// (and which close themselves) | ||
var closeSelf = makeMap("colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr"); | ||
|
||
// Attributes that have their values filled in disabled="disabled" | ||
var fillAttrs = makeMap("checked,compact,declare,defer,disabled,ismap,multiple,nohref,noresize,noshade,nowrap,readonly,selected"); | ||
|
||
// Special Elements (can contain anything) | ||
var special = makeMap("script,style"); | ||
|
||
var HTMLParser = this.HTMLParser = function( html, handler ) { | ||
var index, chars, match, stack = [], last = html; | ||
stack.last = function(){ | ||
return this[ this.length - 1 ]; | ||
}; | ||
|
||
while ( html ) { | ||
chars = true; | ||
|
||
// Make sure we're not in a script or style element | ||
if ( !stack.last() || !special[ stack.last() ] ) { | ||
|
||
// Comment | ||
if ( html.indexOf("<!--") == 0 ) { | ||
index = html.indexOf("-->"); | ||
|
||
if ( index >= 0 ) { | ||
if ( handler.comment ) | ||
handler.comment( html.substring( 4, index ) ); | ||
html = html.substring( index + 3 ); | ||
chars = false; | ||
} | ||
|
||
// end tag | ||
} else if ( html.indexOf("</") == 0 ) { | ||
match = html.match( endTag ); | ||
|
||
if ( match ) { | ||
html = html.substring( match[0].length ); | ||
match[0].replace( endTag, parseEndTag ); | ||
chars = false; | ||
} | ||
|
||
// start tag | ||
} else if ( html.indexOf("<") == 0 ) { | ||
match = html.match( startTag ); | ||
|
||
if ( match ) { | ||
html = html.substring( match[0].length ); | ||
match[0].replace( startTag, parseStartTag ); | ||
chars = false; | ||
} | ||
} | ||
|
||
if ( chars ) { | ||
index = html.indexOf("<"); | ||
|
||
var text = index < 0 ? html : html.substring( 0, index ); | ||
html = index < 0 ? "" : html.substring( index ); | ||
|
||
if ( handler.chars ) | ||
handler.chars( text ); | ||
} | ||
|
||
} else { | ||
html = html.replace(new RegExp("(.*)<\/" + stack.last() + "[^>]*>"), function(all, text){ | ||
text = text.replace(/<!--(.*?)-->/g, "$1") | ||
.replace(/<!\[CDATA\[(.*?)]]>/g, "$1"); | ||
|
||
if ( handler.chars ) | ||
handler.chars( text ); | ||
|
||
return ""; | ||
}); | ||
|
||
parseEndTag( "", stack.last() ); | ||
} | ||
|
||
if ( html == last ) | ||
throw "Parse Error: " + html; | ||
last = html; | ||
} | ||
|
||
// Clean up any remaining tags | ||
parseEndTag(); | ||
|
||
function parseStartTag( tag, tagName, rest, unary ) { | ||
tagName = tagName.toLowerCase(); | ||
|
||
if ( block[ tagName ] ) { | ||
while ( stack.last() && inline[ stack.last() ] ) { | ||
parseEndTag( "", stack.last() ); | ||
} | ||
} | ||
|
||
if ( closeSelf[ tagName ] && stack.last() == tagName ) { | ||
parseEndTag( "", tagName ); | ||
} | ||
|
||
unary = empty[ tagName ] || !!unary; | ||
|
||
if ( !unary ) | ||
stack.push( tagName ); | ||
|
||
if ( handler.start ) { | ||
var attrs = []; | ||
|
||
rest.replace(attr, function(match, name) { | ||
var value = arguments[2] ? arguments[2] : | ||
arguments[3] ? arguments[3] : | ||
arguments[4] ? arguments[4] : | ||
fillAttrs[name] ? name : ""; | ||
|
||
attrs.push({ | ||
name: name, | ||
value: value, | ||
escaped: value.replace(/(^|[^\\])"/g, '$1\\\"') //" | ||
}); | ||
}); | ||
|
||
if ( handler.start ) | ||
handler.start( tagName, attrs, unary ); | ||
} | ||
} | ||
|
||
function parseEndTag( tag, tagName ) { | ||
// If no tag name is provided, clean shop | ||
if ( !tagName ) | ||
var pos = 0; | ||
|
||
// Find the closest opened tag of the same type | ||
else | ||
for ( var pos = stack.length - 1; pos >= 0; pos-- ) | ||
if ( stack[ pos ] == tagName ) | ||
break; | ||
|
||
if ( pos >= 0 ) { | ||
// Close all the open elements, up the stack | ||
for ( var i = stack.length - 1; i >= pos; i-- ) | ||
if ( handler.end ) | ||
handler.end( stack[ i ] ); | ||
|
||
// Remove the open elements from the stack | ||
stack.length = pos; | ||
} | ||
} | ||
}; | ||
|
||
this.HTMLtoXML = function( html ) { | ||
var results = ""; | ||
|
||
HTMLParser(html, { | ||
start: function( tag, attrs, unary ) { | ||
results += "<" + tag; | ||
|
||
for ( var i = 0; i < attrs.length; i++ ) | ||
results += " " + attrs[i].name + '="' + attrs[i].escaped + '"'; | ||
|
||
results += (unary ? "/" : "") + ">"; | ||
}, | ||
end: function( tag ) { | ||
results += "</" + tag + ">"; | ||
}, | ||
chars: function( text ) { | ||
results += text; | ||
}, | ||
comment: function( text ) { | ||
results += "<!--" + text + "-->"; | ||
} | ||
}); | ||
|
||
return results; | ||
}; | ||
|
||
this.HTMLtoDOM = function( html, doc ) { | ||
// There can be only one of these elements | ||
var one = makeMap("html,head,body,title"); | ||
|
||
// Enforce a structure for the document | ||
var structure = { | ||
link: "head", | ||
base: "head" | ||
}; | ||
|
||
if ( !doc ) { | ||
if ( typeof DOMDocument != "undefined" ) | ||
doc = new DOMDocument(); | ||
else if ( typeof document != "undefined" && document.implementation && document.implementation.createDocument ) | ||
doc = document.implementation.createDocument("", "", null); | ||
else if ( typeof ActiveX != "undefined" ) | ||
doc = new ActiveXObject("Msxml.DOMDocument"); | ||
|
||
} else | ||
doc = doc.ownerDocument || | ||
doc.getOwnerDocument && doc.getOwnerDocument() || | ||
doc; | ||
|
||
var elems = [], | ||
documentElement = doc.documentElement || | ||
doc.getDocumentElement && doc.getDocumentElement(); | ||
|
||
// If we're dealing with an empty document then we | ||
// need to pre-populate it with the HTML document structure | ||
if ( !documentElement && doc.createElement ) (function(){ | ||
var html = doc.createElement("html"); | ||
var head = doc.createElement("head"); | ||
head.appendChild( doc.createElement("title") ); | ||
html.appendChild( head ); | ||
html.appendChild( doc.createElement("body") ); | ||
doc.appendChild( html ); | ||
})(); | ||
|
||
// Find all the unique elements | ||
if ( doc.getElementsByTagName ) | ||
for ( var i in one ) | ||
one[ i ] = doc.getElementsByTagName( i )[0]; | ||
|
||
// If we're working with a document, inject contents into | ||
// the body element | ||
var curParentNode = one.body; | ||
|
||
HTMLParser( html, { | ||
start: function( tagName, attrs, unary ) { | ||
// If it's a pre-built element, then we can ignore | ||
// its construction | ||
if ( one[ tagName ] ) { | ||
curParentNode = one[ tagName ]; | ||
return; | ||
} | ||
|
||
var elem = doc.createElement( tagName ); | ||
|
||
for ( var attr in attrs ) | ||
elem.setAttribute( attrs[ attr ].name, attrs[ attr ].value ); | ||
|
||
if ( structure[ tagName ] && typeof one[ structure[ tagName ] ] != "boolean" ) | ||
one[ structure[ tagName ] ].appendChild( elem ); | ||
|
||
else if ( curParentNode && curParentNode.appendChild ) | ||
curParentNode.appendChild( elem ); | ||
|
||
if ( !unary ) { | ||
elems.push( elem ); | ||
curParentNode = elem; | ||
} | ||
}, | ||
end: function( tag ) { | ||
elems.length -= 1; | ||
|
||
// Init the new parentNode | ||
curParentNode = elems[ elems.length - 1 ]; | ||
}, | ||
chars: function( text ) { | ||
curParentNode.appendChild( doc.createTextNode( text ) ); | ||
}, | ||
comment: function( text ) { | ||
// create comment node | ||
} | ||
}); | ||
|
||
return doc; | ||
}; | ||
|
||
function makeMap(str){ | ||
var obj = {}, items = str.split(","); | ||
for ( var i = 0; i < items.length; i++ ) | ||
obj[ items[i] ] = true; | ||
return obj; | ||
} | ||
})(); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters