/*
* HTML Parser By John Resig (ejohn.org)
+ * Modified by Juriy "kangax" Zaytsev
* Original code by Erik Arvidsson, Mozilla Public License
* http://erik.eae.net/simplehtmlparser/simplehtmlparser.js
*
(function(){
- // Regular Expressions for parsing tags and attributes
- var startTag = /^<(\w+)((?:\s+[\w:-]+(?:\s*=\s*(?:(?:"[^"]*")|(?:'[^']*')|[^>\s]+))?)*)\s*(\/?)>/,
- endTag = /^<\/(\w+)[^>]*>/,
- attr = /([\w:-]+)(?:\s*=\s*(?:(?:"((?:\\.|[^"])*)")|(?:'((?:\\.|[^'])*)')|([^>\s]+)))?/g,
- doctype = /^<!DOCTYPE [^>]+>/i;
-
- // Empty Elements - HTML 4.01
- var empty = makeMap("area,base,basefont,br,col,frame,hr,img,input,isindex,link,meta,param,embed");
+ // Regular Expressions for parsing tags and attributes
+ var startTag = /^<(\w+)((?:\s+[\w:-]+(?:\s*=\s*(?:(?:"[^"]*")|(?:'[^']*')|[^>\s]+))?)*)\s*(\/?)>/,
+ endTag = /^<\/(\w+)[^>]*>/,
+ attr = /([\w:-]+)(?:\s*=\s*(?:(?:"((?:\\.|[^"])*)")|(?:'((?:\\.|[^'])*)')|([^>\s]+)))?/g,
+ doctype = /^<!DOCTYPE [^>]+>/i;
+
+ // 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");
+ // 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");
+ // 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");
+ // 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");
+ // 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 reCache = { }, stackedTag, re;
+ // Special Elements (can contain anything)
+ var special = makeMap("script,style");
+
+ var reCache = { }, stackedTag, re;
- var HTMLParser = this.HTMLParser = function( html, handler ) {
- var index, chars, match, stack = [], last = html;
- stack.last = function(){
- return this[ this.length - 1 ];
- };
+ 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;
+ while ( html ) {
+ chars = true;
- // Make sure we're not in a script or style element
- if ( !stack.last() || !special[ stack.last() ] ) {
+ // 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;
- }
- }
- else if ( match = doctype.exec( html )) {
- if ( handler.doctype )
- handler.doctype( match[0] );
- html = html.substring( match[0].length );
- 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;
- }
- }
+ // 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;
+ }
+ }
+ else if ( match = doctype.exec( html )) {
+ if ( handler.doctype )
+ handler.doctype( match[0] );
+ html = html.substring( match[0].length );
+ 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 );
- }
+ 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 {
-
- stackedTag = stack.last().toLowerCase();
- reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp("([\\s\\S]*?)<\/" + stackedTag + "[^>]*>", "i"));
-
- html = html.replace(reStackedTag, function(all, text) {
- if (stackedTag !== 'script' && stackedTag !== 'style') {
- text = text
- .replace(/<!--([\s\S]*?)-->/g, "$1")
- .replace(/<!\[CDATA\[([\s\S]*?)\]\]>/g, "$1");
- }
+ } else {
+
+ stackedTag = stack.last().toLowerCase();
+ reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp("([\\s\\S]*?)<\/" + stackedTag + "[^>]*>", "i"));
+
+ html = html.replace(reStackedTag, function(all, text) {
+ if (stackedTag !== 'script' && stackedTag !== 'style') {
+ text = text
+ .replace(/<!--([\s\S]*?)-->/g, "$1")
+ .replace(/<!\[CDATA\[([\s\S]*?)\]\]>/g, "$1");
+ }
- if ( handler.chars )
- handler.chars( text );
+ if ( handler.chars )
+ handler.chars( text );
- return "";
- });
+ return "";
+ });
- parseEndTag( "", stackedTag );
- }
+ parseEndTag( "", stackedTag );
+ }
- if ( html == last )
- throw "Parse Error: " + html;
- last = html;
- }
-
- // Clean up any remaining tags
- parseEndTag();
+ if ( html == last )
+ throw "Parse Error: " + html;
+ last = html;
+ }
+
+ // Clean up any remaining tags
+ parseEndTag();
- function parseStartTag( tag, tagName, rest, unary ) {
- if ( block[ tagName ] ) {
- while ( stack.last() && inline[ stack.last() ] ) {
- parseEndTag( "", stack.last() );
- }
- }
+ function parseStartTag( tag, tagName, rest, unary ) {
+ if ( block[ tagName ] ) {
+ while ( stack.last() && inline[ stack.last() ] ) {
+ parseEndTag( "", stack.last() );
+ }
+ }
- if ( closeSelf[ tagName ] && stack.last() == tagName ) {
- parseEndTag( "", tagName );
- }
+ if ( closeSelf[ tagName ] && stack.last() == tagName ) {
+ parseEndTag( "", tagName );
+ }
- unary = empty[ tagName ] || !!unary;
+ 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 );
- }
- }
+ 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 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;
- obj[ items[i].toUpperCase() ] = true;
- }
- return obj;
- }
+ function makeMap(str){
+ var obj = {}, items = str.split(",");
+ for ( var i = 0; i < items.length; i++ ) {
+ obj[ items[i] ] = true;
+ obj[ items[i].toUpperCase() ] = true;
+ }
+ return obj;
+ }
})();
\ No newline at end of file
public / html-minifier.git / commitdiff