xcat-core/xCAT-UI/js/chili-1.8b.js
vallard 520197fd0d new xCAT web client
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@3634 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
2009-06-24 23:46:34 +00:00

395 lines
12 KiB
JavaScript

/*
===============================================================================
Chili is the jQuery code highlighter plugin
...............................................................................
Copyright 2007 / Andrea Ercolino
-------------------------------------------------------------------------------
LICENSE: http://www.opensource.org/licenses/mit-license.php
WEBSITE: http://noteslog.com/chili/
===============================================================================
===============================================================================
Metaobjects is the jQuery metadata plugin on steroids
...............................................................................
Copyright 2007 / Andrea Ercolino
-------------------------------------------------------------------------------
LICENSE: http://www.opensource.org/licenses/mit-license.php
WEBSITE: http://noteslog.com/metaobjects/
===============================================================================
*/
//-----------------------------------------------------------------------------
( function($) {
ChiliBook = { //implied global
version: "1.8b" // 2007-05-26
, automatic: true
, automaticSelector: "code"
, codeLanguage: function( el ) {
var recipeName = $( el ).attr( "class" );
return recipeName ? recipeName : '';
}
, metadataSelector: "object.chili" // use an empty string for not executing
, recipeLoading: true
, recipeFolder: "" // used like: recipeFolder + recipeName + '.js'
, stylesheetLoading: true
, stylesheetFolder: "" // used like: stylesheetFolder + recipeName + '.css'
, defaultReplacement: '<span class="$0">$$</span>'
, replaceSpace: "&#160;" // use an empty string for not replacing
, replaceTab: "&#160;&#160;&#160;&#160;" // use an empty string for not replacing
, replaceNewLine: "&#160;<br/>" // use an empty string for not replacing
, recipes: {} //repository
, queue: {} //register
//fix for IE: copy of PREformatted text strips off all html, losing newlines
, preFixCopy: document.selection && document.selection.createRange
, preContent: ""
, preElement: null
};
$.metaobjects = function( options ) {
options = $.extend( {
context: document
, clean: true
, selector: 'object.metaobject'
}, options );
function jsValue( value ) {
eval( 'value = ' + value + ";" );
return value;
}
return $( options.selector, options.context )
.each( function() {
var settings = { target: this.parentNode };
$( '> param[@name=metaparam]', this )
.each( function() {
$.extend( settings, jsValue( this.value ) );
} );
$( '> param', this )
.not( '[@name=metaparam]' )
.each( function() {
var name = this.name, value = jsValue( this.value );
$( settings.target )
.each( function() {
this[ name ] = value;
} );
} );
if( options.clean ) {
$( this ).remove();
}
} );
};
$.fn.chili = function( options ) {
var book = $.extend( {}, ChiliBook, options || {} );
function cook( ingredients, recipe ) {
function prepareStep( stepName, step ) {
var exp = ( typeof step.exp == "string" ) ? step.exp : step.exp.source;
steps.push( {
stepName: stepName
, exp: "(" + exp + ")"
, length: 1 // add 1 to account for the newly added parentheses
+ (exp // count number of submatches in here
.replace( /\\./g, "%" ) // disable any escaped character
.replace( /\[.*?\]/g, "%" ) // disable any character class
.match( /\((?!\?)/g ) // match any open parenthesis, not followed by a ?
|| [] // make sure it is an empty array if there are no matches
).length // get the number of matches
, replacement: (step.replacement) ? step.replacement : book.defaultReplacement
} );
} // function prepareStep( stepName, step )
function knowHow() {
var prevLength = 0;
var exps = new Array;
for (var i = 0; i < steps.length; i++) {
var exp = steps[ i ].exp;
// adjust backreferences
exp = exp.replace( /\\\\|\\(\d+)/g, function( m, aNum ) {
return !aNum ? m : "\\" + ( prevLength + 1 + parseInt( aNum, 10 ) );
} );
exps.push( exp );
prevLength += steps[ i ].length;
}
var source = exps.join( "|" );
return new RegExp( source, (recipe.ignoreCase) ? "gi" : "g" );
} // function knowHow()
function escapeHTML( str ) {
return str.replace( /&/g, "&amp;" ).replace( /</g, "&lt;" );
} // function escapeHTML( str )
function replaceSpaces( str ) {
return str.replace( / +/g, function( spaces ) {
return spaces.replace( / /g, replaceSpace );
} );
} // function replaceSpaces( str )
function filter( str ) {
str = escapeHTML( str );
if( replaceSpace ) {
str = replaceSpaces( str );
}
return str;
} // function filter( str )
function chef( matched ) {
var i = 0; // iterate steps
var j = 1; // iterate chef's arguments
var step;
while( step = steps[ i++ ] ) {
var aux = arguments; // this unmasks chef's arguments inside the next function
if( aux[ j ] ) {
var pattern = /(\\\$)|(?:\$\$)|(?:\$(\d+))/g;
var replacement = step.replacement
.replace( pattern, function( m, escaped, K ) {
var bit = '';
if( escaped ) { /* \$ */
return "$";
}
else if( !K ) { /* $$ */
return filter( aux[ j ] );
}
else if( K == "0" ) { /* $0 */
return step.stepName;
}
else { /* $K */
return filter( aux[ j + parseInt( K, 10 ) ] );
}
} );
var offset = arguments[ arguments.length - 2 ];
var input = arguments[ arguments.length - 1 ];
var unmatched = input.substring( lastIndex, offset );
lastIndex = offset + matched.length; // lastIndex for the next call to chef
perfect += filter( unmatched ) + replacement; // use perfect for all the replacing
return replacement;
}
else {
j+= step.length;
}
}
} // function chef( matched )
var replaceSpace = book.replaceSpace;
var steps = new Array;
for( var stepName in recipe.steps ) {
prepareStep( stepName, recipe.steps[ stepName ] );
}
var perfect = ""; //replace doesn't provide a handle to the ongoing partially replaced string
var lastIndex = 0; //regexp.lastIndex is available after a string.match, but not in a string.replace
ingredients.replace( knowHow(), chef );
var lastUnmatched = ingredients.substring( lastIndex, ingredients.length );
perfect += filter( lastUnmatched );
return perfect;
} // function cook( ingredients, recipe )
function checkCSS( stylesheetPath ) {
if( ! book.queue[ stylesheetPath ] ) {
var e = document.createElement( "link" );
e.rel = "stylesheet";
e.type = "text/css";
e.href = stylesheetPath;
document.getElementsByTagName( "head" )[0].appendChild( e );
book.queue[ stylesheetPath ] = true;
}
} // function checkCSS( recipeName )
function makeDish( el, recipePath ) {
var recipe = book.recipes[ recipePath ];
if( ! recipe ) {
return;
}
var chunks = el && el.childNodes && el.childNodes.length;
if( chunks && chunks > 1 ) {
return;
}
var ingredients = el.childNodes[0] && el.childNodes[0].data;
if( ! ingredients ) {
return;
}
// hack for IE: \r is used instead of \n
ingredients = ingredients.replace(/\r\n?/g, "\n");
var dish = cook( ingredients, recipe ); // all happens here
if( book.replaceTab ) {
dish = dish.replace( /\t/g, book.replaceTab );
}
if( book.replaceNewLine ) {
dish = dish.replace( /\n/g, book.replaceNewLine );
}
$( el ).html( dish );
if( ChiliBook.preFixCopy ) {
$( el )
.parents()
.filter( "pre" )
.bind( "mousedown", function() {
ChiliBook.preElement = this;
} )
.bind( "mouseup", function() {
if( ChiliBook.preElement == this ) {
ChiliBook.preContent = document.selection.createRange().htmlText;
}
} )
;
}
} // function makeDish( el )
function getPath( recipeName, options ) {
var settingsDef = {
recipeFolder: book.recipeFolder
, recipeFile: recipeName + ".js"
, stylesheetFolder: book.stylesheetFolder
, stylesheetFile: recipeName + ".css"
};
var settings;
if( options && typeof options == "object" ) {
settings = $.extend( settingsDef, options );
}
else {
settings = settingsDef;
}
return {
recipe : settings.recipeFolder + settings.recipeFile
, stylesheet: settings.stylesheetFolder + settings.stylesheetFile
};
} //function getPath( recipeName, options )
//-----------------------------------------------------------------------------
// initializations
if( book.metadataSelector ) {
$.metaobjects( { context: this, selector: book.metadataSelector } );
}
//-----------------------------------------------------------------------------
// the coloring starts here
this
.each( function() {
var el = this;
var recipeName = book.codeLanguage( el );
if( '' != recipeName ) {
var path = getPath( recipeName, el.chili );
if( book.recipeLoading || el.chili ) {
/* dynamic setups come here */
if( ! book.queue[ path.recipe ] ) {
/* this is a new recipe to download */
try {
book.queue[ path.recipe ] = [ el ];
$.getJSON( path.recipe, function( recipeLoaded ) {
recipeLoaded.path = path.recipe;
book.recipes[ path.recipe ] = recipeLoaded;
if( book.stylesheetLoading ) {
checkCSS( path.stylesheet );
}
var q = book.queue[ path.recipe ];
for( var i = 0, iTop = q.length; i < iTop; i++ ) {
makeDish( q[ i ], path.recipe );
}
} );
}
catch( recipeNotAvailable ) {
alert( "the recipe for '" + recipeName + "' was not found in '" + path.recipe + "'" );
}
}
else {
/* not a new recipe, so just enqueue this element */
book.queue[ path.recipe ].push( el );
}
/* a recipe could have been already downloaded */
makeDish( el, path.recipe );
}
else {
/* static setups come here */
makeDish( el, path.recipe );
}
}
} );
return this;
//-----------------------------------------------------------------------------
};
//main
$( function() {
if( ChiliBook.automatic ) {
if( ChiliBook.elementPath ) {
//preserve backward compatibility
ChiliBook.automaticSelector = ChiliBook.elementPath;
if( ChiliBook.elementClass ) {
ChiliBook.codeLanguage = function ( el ) {
var selectClass = new RegExp( "\\b" + ChiliBook.elementClass + "\\b", "gi" );
var elClass = $( el ).attr( "class" );
if( ! elClass ) {
return '';
}
var recipeName = $.trim( elClass.replace( selectClass, "" ) );
return recipeName;
};
}
}
$( ChiliBook.automaticSelector ).chili();
}
if( ChiliBook.preFixCopy ) {
function preformatted( text ) {
if( '' == text ) {
return "";
}
do {
var newline_flag = (new Date()).valueOf();
}
while( text.indexOf( newline_flag ) > -1 );
text = text.replace( /\<br[^>]*?\>/ig, newline_flag );
var el = document.createElement( '<pre>' );
el.innerHTML = text;
text = el.innerText.replace( new RegExp( newline_flag, "g" ), '\r\n' );
return text;
}
$( "body" )
.bind( "copy", function() {
if( '' != ChiliBook.preContent ) {
window.clipboardData.setData( 'Text', preformatted( ChiliBook.preContent ) );
event.returnValue = false;
}
} )
.bind( "mousedown", function() {
ChiliBook.preContent = "";
} )
.bind( "mouseup", function() {
ChiliBook.preElement = null;
} )
;
}
} );
} ) ( jQuery );
// load progress bar
myBar.loaded('chili.js');