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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@6484 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
395 lines
12 KiB
JavaScript
395 lines
12 KiB
JavaScript
/*
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===============================================================================
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Chili is the jQuery code highlighter plugin
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...............................................................................
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Copyright 2007 / Andrea Ercolino
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-------------------------------------------------------------------------------
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LICENSE: http://www.opensource.org/licenses/mit-license.php
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WEBSITE: http://noteslog.com/chili/
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===============================================================================
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===============================================================================
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Metaobjects is the jQuery metadata plugin on steroids
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...............................................................................
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Copyright 2007 / Andrea Ercolino
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-------------------------------------------------------------------------------
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LICENSE: http://www.opensource.org/licenses/mit-license.php
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WEBSITE: http://noteslog.com/metaobjects/
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===============================================================================
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*/
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//-----------------------------------------------------------------------------
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( function($) {
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ChiliBook = { //implied global
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version: "1.8b" // 2007-05-26
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, automatic: true
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, automaticSelector: "code"
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, codeLanguage: function( el ) {
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var recipeName = $( el ).attr( "class" );
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return recipeName ? recipeName : '';
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}
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, metadataSelector: "object.chili" // use an empty string for not executing
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, recipeLoading: true
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, recipeFolder: "" // used like: recipeFolder + recipeName + '.js'
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, stylesheetLoading: true
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, stylesheetFolder: "" // used like: stylesheetFolder + recipeName + '.css'
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, defaultReplacement: '<span class="$0">$$</span>'
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, replaceSpace: " " // use an empty string for not replacing
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, replaceTab: "    " // use an empty string for not replacing
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, replaceNewLine: " <br/>" // use an empty string for not replacing
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, recipes: {} //repository
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, queue: {} //register
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//fix for IE: copy of PREformatted text strips off all html, losing newlines
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, preFixCopy: document.selection && document.selection.createRange
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, preContent: ""
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, preElement: null
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};
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$.metaobjects = function( options ) {
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options = $.extend( {
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context: document
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, clean: true
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, selector: 'object.metaobject'
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}, options );
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function jsValue( value ) {
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eval( 'value = ' + value + ";" );
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return value;
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}
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return $( options.selector, options.context )
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.each( function() {
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var settings = { target: this.parentNode };
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$( '> param[@name=metaparam]', this )
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.each( function() {
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$.extend( settings, jsValue( this.value ) );
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} );
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$( '> param', this )
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.not( '[@name=metaparam]' )
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.each( function() {
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var name = this.name, value = jsValue( this.value );
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$( settings.target )
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.each( function() {
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this[ name ] = value;
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} );
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} );
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if( options.clean ) {
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$( this ).remove();
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}
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} );
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};
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$.fn.chili = function( options ) {
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var book = $.extend( {}, ChiliBook, options || {} );
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function cook( ingredients, recipe ) {
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function prepareStep( stepName, step ) {
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var exp = ( typeof step.exp == "string" ) ? step.exp : step.exp.source;
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steps.push( {
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stepName: stepName
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, exp: "(" + exp + ")"
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, length: 1 // add 1 to account for the newly added parentheses
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+ (exp // count number of submatches in here
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.replace( /\\./g, "%" ) // disable any escaped character
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.replace( /\[.*?\]/g, "%" ) // disable any character class
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.match( /\((?!\?)/g ) // match any open parenthesis, not followed by a ?
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|| [] // make sure it is an empty array if there are no matches
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).length // get the number of matches
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, replacement: (step.replacement) ? step.replacement : book.defaultReplacement
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} );
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} // function prepareStep( stepName, step )
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function knowHow() {
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var prevLength = 0;
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var exps = new Array;
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for (var i = 0; i < steps.length; i++) {
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var exp = steps[ i ].exp;
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// adjust backreferences
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exp = exp.replace( /\\\\|\\(\d+)/g, function( m, aNum ) {
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return !aNum ? m : "\\" + ( prevLength + 1 + parseInt( aNum, 10 ) );
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} );
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exps.push( exp );
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prevLength += steps[ i ].length;
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}
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var source = exps.join( "|" );
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return new RegExp( source, (recipe.ignoreCase) ? "gi" : "g" );
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} // function knowHow()
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function escapeHTML( str ) {
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return str.replace( /&/g, "&" ).replace( /</g, "<" );
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} // function escapeHTML( str )
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function replaceSpaces( str ) {
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return str.replace( / +/g, function( spaces ) {
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return spaces.replace( / /g, replaceSpace );
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} );
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} // function replaceSpaces( str )
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function filter( str ) {
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str = escapeHTML( str );
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if( replaceSpace ) {
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str = replaceSpaces( str );
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}
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return str;
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} // function filter( str )
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function chef( matched ) {
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var i = 0; // iterate steps
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var j = 1; // iterate chef's arguments
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var step;
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while( step = steps[ i++ ] ) {
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var aux = arguments; // this unmasks chef's arguments inside the next function
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if( aux[ j ] ) {
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var pattern = /(\\\$)|(?:\$\$)|(?:\$(\d+))/g;
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var replacement = step.replacement
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.replace( pattern, function( m, escaped, K ) {
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var bit = '';
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if( escaped ) { /* \$ */
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return "$";
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}
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else if( !K ) { /* $$ */
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return filter( aux[ j ] );
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}
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else if( K == "0" ) { /* $0 */
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return step.stepName;
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}
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else { /* $K */
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return filter( aux[ j + parseInt( K, 10 ) ] );
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}
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} );
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var offset = arguments[ arguments.length - 2 ];
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var input = arguments[ arguments.length - 1 ];
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var unmatched = input.substring( lastIndex, offset );
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lastIndex = offset + matched.length; // lastIndex for the next call to chef
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perfect += filter( unmatched ) + replacement; // use perfect for all the replacing
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return replacement;
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}
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else {
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j+= step.length;
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}
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}
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} // function chef( matched )
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var replaceSpace = book.replaceSpace;
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var steps = new Array;
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for( var stepName in recipe.steps ) {
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prepareStep( stepName, recipe.steps[ stepName ] );
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}
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var perfect = ""; //replace doesn't provide a handle to the ongoing partially replaced string
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var lastIndex = 0; //regexp.lastIndex is available after a string.match, but not in a string.replace
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ingredients.replace( knowHow(), chef );
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var lastUnmatched = ingredients.substring( lastIndex, ingredients.length );
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perfect += filter( lastUnmatched );
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return perfect;
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} // function cook( ingredients, recipe )
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function checkCSS( stylesheetPath ) {
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if( ! book.queue[ stylesheetPath ] ) {
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var e = document.createElement( "link" );
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e.rel = "stylesheet";
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e.type = "text/css";
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e.href = stylesheetPath;
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document.getElementsByTagName( "head" )[0].appendChild( e );
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book.queue[ stylesheetPath ] = true;
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}
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} // function checkCSS( recipeName )
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function makeDish( el, recipePath ) {
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var recipe = book.recipes[ recipePath ];
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if( ! recipe ) {
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return;
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}
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var chunks = el && el.childNodes && el.childNodes.length;
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if( chunks && chunks > 1 ) {
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return;
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}
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var ingredients = el.childNodes[0] && el.childNodes[0].data;
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if( ! ingredients ) {
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return;
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}
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// hack for IE: \r is used instead of \n
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ingredients = ingredients.replace(/\r\n?/g, "\n");
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var dish = cook( ingredients, recipe ); // all happens here
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if( book.replaceTab ) {
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dish = dish.replace( /\t/g, book.replaceTab );
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}
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if( book.replaceNewLine ) {
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dish = dish.replace( /\n/g, book.replaceNewLine );
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}
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$( el ).html( dish );
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if( ChiliBook.preFixCopy ) {
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$( el )
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.parents()
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.filter( "pre" )
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.bind( "mousedown", function() {
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ChiliBook.preElement = this;
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} )
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.bind( "mouseup", function() {
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if( ChiliBook.preElement == this ) {
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ChiliBook.preContent = document.selection.createRange().htmlText;
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}
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} )
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;
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}
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} // function makeDish( el )
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function getPath( recipeName, options ) {
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var settingsDef = {
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recipeFolder: book.recipeFolder
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, recipeFile: recipeName + ".js"
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, stylesheetFolder: book.stylesheetFolder
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, stylesheetFile: recipeName + ".css"
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};
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var settings;
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if( options && typeof options == "object" ) {
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settings = $.extend( settingsDef, options );
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}
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else {
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settings = settingsDef;
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}
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return {
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recipe : settings.recipeFolder + settings.recipeFile
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, stylesheet: settings.stylesheetFolder + settings.stylesheetFile
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};
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} //function getPath( recipeName, options )
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//-----------------------------------------------------------------------------
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// initializations
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if( book.metadataSelector ) {
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$.metaobjects( { context: this, selector: book.metadataSelector } );
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}
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//-----------------------------------------------------------------------------
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// the coloring starts here
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this
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.each( function() {
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var el = this;
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var recipeName = book.codeLanguage( el );
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if( '' != recipeName ) {
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var path = getPath( recipeName, el.chili );
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if( book.recipeLoading || el.chili ) {
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/* dynamic setups come here */
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if( ! book.queue[ path.recipe ] ) {
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/* this is a new recipe to download */
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try {
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book.queue[ path.recipe ] = [ el ];
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$.getJSON( path.recipe, function( recipeLoaded ) {
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recipeLoaded.path = path.recipe;
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book.recipes[ path.recipe ] = recipeLoaded;
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if( book.stylesheetLoading ) {
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checkCSS( path.stylesheet );
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}
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var q = book.queue[ path.recipe ];
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for( var i = 0, iTop = q.length; i < iTop; i++ ) {
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makeDish( q[ i ], path.recipe );
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}
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} );
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}
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catch( recipeNotAvailable ) {
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alert( "the recipe for '" + recipeName + "' was not found in '" + path.recipe + "'" );
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}
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}
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else {
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/* not a new recipe, so just enqueue this element */
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book.queue[ path.recipe ].push( el );
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}
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/* a recipe could have been already downloaded */
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makeDish( el, path.recipe );
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}
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else {
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/* static setups come here */
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makeDish( el, path.recipe );
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}
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}
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} );
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return this;
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//-----------------------------------------------------------------------------
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};
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//main
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$( function() {
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if( ChiliBook.automatic ) {
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if( ChiliBook.elementPath ) {
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//preserve backward compatibility
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ChiliBook.automaticSelector = ChiliBook.elementPath;
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if( ChiliBook.elementClass ) {
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ChiliBook.codeLanguage = function ( el ) {
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var selectClass = new RegExp( "\\b" + ChiliBook.elementClass + "\\b", "gi" );
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var elClass = $( el ).attr( "class" );
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if( ! elClass ) {
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return '';
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}
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var recipeName = $.trim( elClass.replace( selectClass, "" ) );
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return recipeName;
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};
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}
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}
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$( ChiliBook.automaticSelector ).chili();
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}
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if( ChiliBook.preFixCopy ) {
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function preformatted( text ) {
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if( '' == text ) {
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return "";
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}
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do {
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var newline_flag = (new Date()).valueOf();
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}
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while( text.indexOf( newline_flag ) > -1 );
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text = text.replace( /\<br[^>]*?\>/ig, newline_flag );
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var el = document.createElement( '<pre>' );
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el.innerHTML = text;
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text = el.innerText.replace( new RegExp( newline_flag, "g" ), '\r\n' );
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return text;
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}
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$( "body" )
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.bind( "copy", function() {
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if( '' != ChiliBook.preContent ) {
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window.clipboardData.setData( 'Text', preformatted( ChiliBook.preContent ) );
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event.returnValue = false;
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}
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} )
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.bind( "mousedown", function() {
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ChiliBook.preContent = "";
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} )
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.bind( "mouseup", function() {
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ChiliBook.preElement = null;
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} )
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;
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}
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} );
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} ) ( jQuery );
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// load progress bar
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myBar.loaded('chili.js');
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