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Jacob Thornton authored96c3e709
/*===============================================================================Chili is the jQuery code highlighter plugin...............................................................................LICENSE: http://www.opensource.org/licenses/mit-license.phpWEBSITE: http://noteslog.com/chili/ Copyright 2008 / Andrea Ercolino===============================================================================*/( function($) {ChiliBook = { //implied global version: "2.2" // 2008-07-06// options -------------------------------------------------------------------- , automatic: true , automaticSelector: "pre" , lineNumbers: !true , codeLanguage: function( el ) { var recipeName = $( el ).attr( "class" ); return recipeName ? recipeName : ''; } , recipeLoading: true , recipeFolder: "" // used like: recipeFolder + recipeName + '.js' // IE and FF convert   to " ", Safari and Opera do not , replaceSpace: " " , replaceTab: "    " , replaceNewLine: " <br/>" , selectionStyle: [ "position:absolute; z-index:3000; overflow:scroll;" , "width:16em;" , "height:9em;" , "border:1px solid gray;" , "padding:15px;" , "background-color:yellow;" ].join( ' ' )// ------------------------------------------------------------- end of options , defaultReplacement: '<span class="$0">$$</span>' // TODO: make this an option again , recipes: {} //repository , queue: {} //registry , unique: function() { return (new Date()).valueOf(); }};$.fn.chili = function( options ) { var book = $.extend( {}, ChiliBook, options || {} ); function cook( ingredients, recipe, blockName ) { function prepareBlock( recipe, blockName ) { var steps = []; for( var stepName in recipe[ blockName ] ) { steps.push( prepareStep( recipe, blockName, stepName ) ); } return steps;7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
} // prepareBlock
function prepareStep( recipe, blockName, stepName ) {
var step = recipe[ blockName ][ stepName ];
var exp = ( typeof step._match == "string" ) ? step._match : step._match.source;
return {
recipe: recipe
, blockName: blockName
, 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._replace ? step._replace : book.defaultReplacement
};
} // prepareStep
function knowHow( steps ) {
var prevLength = 1;
var exps = [];
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 prolog = '((?:\\s|\\S)*?)';
var epilog = '((?:\\s|\\S)+)';
var source = '(?:' + exps.join( "|" ) + ')';
source = prolog + source + '|' + epilog;
return new RegExp( source, recipe._case ? "g" : "gi" );
} // knowHow
function escapeHTML( str ) {
return str.replace( /&/g, "&" ).replace( /</g, "<" );
} // escapeHTML
function replaceSpaces( str ) {
return str.replace( / +/g, function( spaces ) {
return spaces.replace( / /g, replaceSpace );
} );
} // replaceSpaces
function filter( str ) {
str = escapeHTML( str );
if( replaceSpace ) {
str = replaceSpaces( str );
}
return str;
} // filter
function applyRecipe( subject, recipe ) {
return cook( subject, recipe );
} // applyRecipe
function applyBlock( subject, recipe, blockName ) {
return cook( subject, recipe, blockName );
} // applyBlock
function applyStep( subject, recipe, blockName, stepName ) {
var replaceSpace = book.replaceSpace;
var step = prepareStep( recipe, blockName, stepName );
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var steps = [step];
var perfect = subject.replace( knowHow( steps ), function() {
return chef.apply( { steps: steps }, arguments );
} );
return perfect;
} // applyStep
function applyModule( subject, module, context ) {
if( ! module ) {
return filter( subject );
}
var sub = module.split( '/' );
var recipeName = '';
var blockName = '';
var stepName = '';
switch( sub.length ) {
case 1:
recipeName = sub[0];
break;
case 2:
recipeName = sub[0]; blockName = sub[1];
break;
case 3:
recipeName = sub[0]; blockName = sub[1]; stepName = sub[2];
break;
default:
return filter( subject );
}
function getRecipe( recipeName ) {
var path = getPath( recipeName );
var recipe = book.recipes[ path ];
if( ! recipe ) {
throw {msg:"recipe not available"};
}
return recipe;
}
try {
var recipe;
if ( '' == stepName ) {
if ( '' == blockName ) {
if ( '' == recipeName ) {
//nothing to do
}
else { // ( '' != recipeName )
recipe = getRecipe( recipeName );
return applyRecipe( subject, recipe );
}
}
else { // ( '' != blockName )
if( '' == recipeName ) {
recipe = context.recipe;
}
else {
recipe = getRecipe( recipeName );
}
if( ! (blockName in recipe) ) {
return filter( subject );
}
return applyBlock( subject, recipe, blockName );
}
}
else { // ( '' != stepName )
if( '' == recipeName ) {
recipe = context.recipe;
}
else {
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recipe = getRecipe( recipeName );
}
if( '' == blockName ) {
blockName = context.blockName;
}
if( ! (blockName in recipe) ) {
return filter( subject );
}
if( ! (stepName in recipe[blockName]) ) {
return filter( subject );
}
return applyStep( subject, recipe, blockName, stepName );
}
}
catch( e ) {
if (e.msg && e.msg == "recipe not available") {
var cue = 'chili_' + book.unique();
if( book.recipeLoading ) {
var path = getPath( recipeName );
if( ! book.queue[ path ] ) {
/* this is a new recipe to download */
try {
book.queue[ path ] = [ {cue: cue, subject: subject, module: module, context: context} ];
$.getJSON( path, function( recipeLoaded ) {
book.recipes[ path ] = recipeLoaded;
var q = book.queue[ path ];
for( var i = 0, iTop = q.length; i < iTop; i++ ) {
var replacement = applyModule( q[ i ].subject, q[ i ].module, q[ i ].context );
if( book.replaceTab ) {
replacement = replacement.replace( /\t/g, book.replaceTab );
}
if( book.replaceNewLine ) {
replacement = replacement.replace( /\n/g, book.replaceNewLine );
}
$( '#' + q[ i ].cue ).replaceWith( replacement );
}
} );
}
catch( recipeNotAvailable ) {
alert( "the recipe for '" + recipeName + "' was not found in '" + path + "'" );
}
}
else {
/* not a new recipe, so just enqueue this element */
book.queue[ path ].push( {cue: cue, subject: subject, module: module, context: context} );
}
return '<span id="' + cue + '">' + filter( subject ) + '</span>';
}
return filter( subject );
}
else {
return filter( subject );
}
}
} // applyModule
function addPrefix( prefix, replacement ) {
var aux = replacement.replace( /(<span\s+class\s*=\s*(["']))((?:(?!__)\w)+\2\s*>)/ig, "$1" + prefix + "__$3" );
return aux;
} // addPrefix
function chef() {
if (! arguments[ 0 ]) {
return '';
}
var steps = this.steps;
var i = 0; // iterate steps
var j = 2; // iterate chef's arguments
var prolog = arguments[ 1 ];
var epilog = arguments[ arguments.length - 3 ];
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if (! epilog) {
var step;
while( step = steps[ i++ ] ) {
var aux = arguments; // this unmasks chef's arguments inside the next function
if( aux[ j ] ) {
var replacement = '';
if( $.isFunction( step.replacement ) ) {
var matches = []; //Array.slice.call( aux, j, step.length );
for (var k = 0, kTop = step.length; k < kTop; k++) {
matches.push( aux[ j + k ] );
}
matches.push( aux[ aux.length - 2 ] );
matches.push( aux[ aux.length - 1 ] );
replacement = step.replacement
.apply( {
x: function() {
var subject = arguments[0];
var module = arguments[1];
var context = {
recipe: step.recipe
, blockName: step.blockName
};
return applyModule( subject, module, context );
}
}, matches );
}
else { //we expect step.replacement to be a string
replacement = step.replacement
.replace( /(\\\$)|(?:\$\$)|(?:\$(\d+))/g, function( m, escaped, K ) {
if( escaped ) { /* \$ */
return "$";
}
else if( !K ) { /* $$ */
return filter( aux[ j ] );
}
else if( K == "0" ) { /* $0 */
return step.stepName;
}
else { /* $K */
return filter( aux[ j + parseInt( K, 10 ) ] );
}
} );
}
replacement = addPrefix( step.recipe._name, replacement );
return filter( prolog ) + replacement;
}
else {
j+= step.length;
}
}
}
else {
return filter( epilog );
}
} // chef
if( ! blockName ) {
blockName = '_main';
checkSpices( recipe );
}
if( ! (blockName in recipe) ) {
return filter( ingredients );
}
var replaceSpace = book.replaceSpace;
var steps = prepareBlock( recipe, blockName );
var kh = knowHow( steps );
var perfect = ingredients.replace( kh, function() {
return chef.apply( { steps: steps }, arguments );
} );
return perfect;
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} // cook
function loadStylesheetInline( sourceCode ) {
if( document.createElement ) {
var e = document.createElement( "style" );
e.type = "text/css";
if( e.styleSheet ) { // IE
e.styleSheet.cssText = sourceCode;
}
else {
var t = document.createTextNode( sourceCode );
e.appendChild( t );
}
document.getElementsByTagName( "head" )[0].appendChild( e );
}
} // loadStylesheetInline
function checkSpices( recipe ) {
var name = recipe._name;
if( ! book.queue[ name ] ) {
var content = ['/* Chili -- ' + name + ' */'];
for (var blockName in recipe) {
if( blockName.search( /^_(?!main\b)/ ) < 0 ) {
for (var stepName in recipe[ blockName ]) {
var step = recipe[ blockName ][ stepName ];
if( '_style' in step ) {
if( step[ '_style' ].constructor == String ) {
content.push( '.' + name + '__' + stepName + ' { ' + step[ '_style' ] + ' }' );
}
else {
for (var className in step[ '_style' ]) {
content.push( '.' + name + '__' + className + ' { ' + step[ '_style' ][ className ] + ' }' );
}
}
}
}
}
}
content = content.join('\n');
loadStylesheetInline( content );
book.queue[ name ] = true;
}
} // checkSpices
function askDish( el ) {
var recipeName = book.codeLanguage( el );
if( '' != recipeName ) {
var path = getPath( recipeName );
if( book.recipeLoading ) {
/* dynamic setups come here */
if( ! book.queue[ path ] ) {
/* this is a new recipe to download */
try {
book.queue[ path ] = [ el ];
$.getJSON( path, function( recipeLoaded ) {
book.recipes[ path ] = recipeLoaded;
var q = book.queue[ path ];
for( var i = 0, iTop = q.length; i < iTop; i++ ) {
makeDish( q[ i ], path );
}
} );
}
catch( recipeNotAvailable ) {
alert( "the recipe for '" + recipeName + "' was not found in '" + path + "'" );
}
}
421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490
else {
/* not a new recipe, so just enqueue this element */
book.queue[ path ].push( el );
}
/* a recipe could have been already downloaded */
makeDish( el, path );
}
else {
/* static setups come here */
makeDish( el, path );
}
}
} // askDish
function makeDish( el, recipePath ) {
var recipe = book.recipes[ recipePath ];
if( ! recipe ) {
return;
}
var $el = $( el );
var ingredients = $el.text();
if( ! ingredients ) {
return;
}
//fix for msie: \r (13) is used instead of \n (10)
//fix for opera: \r\n is used instead of \n
ingredients = ingredients.replace(/\r\n?/g, "\n");
//reverse fix for safari: msie, mozilla and opera render the initial \n
if( $el.parent().is('pre') ) {
if( ! $.browser.safari ) {
ingredients = ingredients.replace(/^\n/g, "");
}
}
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.innerHTML = dish; //much faster than $el.html( dish );
//tried also the function replaceHtml from http://blog.stevenlevithan.com/archives/faster-than-innerhtml
//but it was not faster nor without sideffects (it was not possible to count spans into el)
//opera and safari select PRE text correctly
if( $.browser.msie || $.browser.mozilla ) {
enableSelectionHelper( el );
}
var $that = $el.parent();
var classes = $that.attr( 'class' );
var ln = /ln-(\d+)-([\w][\w\-]*)|ln-(\d+)|ln-/.exec( classes );
if( ln ) {
addLineNumbers( el );
var start = 0;
if( ln[1] ) {
start = parseInt( ln[1], 10 );
var $pieces = $( '.ln-' + ln[1] + '-' + ln[2] );
var pos = $pieces.index( $that[0] );
$pieces.slice( 0, pos ).each( function() {
start += $( this ).find( 'li' ).length;
} );
}
else if( ln[3] ) {
start = parseInt( ln[3], 10 );
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}
else {
start = 1;
}
$el.find( 'ol' )[0].start = start;
$('body').width( $('body').width() - 1 ).width( $('body').width() + 1 );
}
else if( book.lineNumbers ) {
addLineNumbers( el );
}
} // makeDish
function enableSelectionHelper( el ) {
var element = null;
$( el )
.parents()
.filter( "pre" )
.bind( "mousedown", function() {
element = this;
if( $.browser.msie ) {
document.selection.empty();
}
else {
window.getSelection().removeAllRanges();
}
} )
.bind( "mouseup", function( event ) {
if( element && (element == this) ) {
element = null;
var selected = '';
if( $.browser.msie ) {
selected = document.selection.createRange().htmlText;
if( '' == selected ) {
return;
}
selected = preserveNewLines( selected );
var container_tag = '<textarea style="STYLE">';
}
else {
selected = window.getSelection().toString(); //opera doesn't select new lines
if( '' == selected ) {
return;
}
selected = selected
.replace( /\r/g, '' )
.replace( /^# ?/g, '' )
.replace( /\n# ?/g, '\n' )
;
var container_tag = '<pre style="STYLE">';
}
var $container = $( container_tag.replace( /\bSTYLE\b/, ChiliBook.selectionStyle ) )
.appendTo( 'body' )
.text( selected )
.attr( 'id', 'chili_selection' )
.click( function() { $(this).remove(); } )
;
var top = event.pageY - Math.round( $container.height() / 2 ) + "px";
var left = event.pageX - Math.round( $container.width() / 2 ) + "px";
$container.css( { top: top, left: left } );
if( $.browser.msie ) {
// window.clipboardData.setData( 'Text', selected ); //I couldn't find anything similar for Mozilla
$container[0].focus();
$container[0].select();
}
else {
var s = window.getSelection();
s.removeAllRanges();
var r = document.createRange();
r.selectNodeContents( $container[0] );
561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630
s.addRange( r );
}
}
} )
;
} // enableSelectionHelper
function getPath( recipeName ) {
return book.recipeFolder + recipeName + ".js";
} // getPath
function getSelectedText() {
var text = '';
if( $.browser.msie ) {
text = document.selection.createRange().htmlText;
}
else {
text = window.getSelection().toString();
}
return text;
} // getSelectedText
function preserveNewLines( html ) {
do {
var newline_flag = ChiliBook.unique();
}
while( html.indexOf( newline_flag ) > -1 );
var text = '';
if (/<br/i.test(html) || /<li/i.test(html)) {
if (/<br/i.test(html)) {
html = html.replace( /\<br[^>]*?\>/ig, newline_flag );
}
else if (/<li/i.test(html)) {
html = html.replace( /<ol[^>]*?>|<\/ol>|<li[^>]*?>/ig, '' ).replace( /<\/li>/ig, newline_flag );
}
var el = $( '<pre>' ).appendTo( 'body' ).hide()[0];
el.innerHTML = html;
text = $( el ).text().replace( new RegExp( newline_flag, "g" ), '\r\n' );
$( el ).remove();
}
return text;
} // preserveNewLines
function addLineNumbers( el ) {
function makeListItem1( not_last_line, not_last, last, open ) {
var close = open ? '</span>' : '';
var aux = '';
if( not_last_line ) {
aux = '<li>' + open + not_last + close + '</li>';
}
else if( last ) {
aux = '<li>' + open + last + close + '</li>';
}
return aux;
} // makeListItem1
function makeListItem2( not_last_line, not_last, last, prev_li ) {
var aux = '';
if( prev_li ) {
aux = prev_li;
}
else {
aux = makeListItem1( not_last_line, not_last, last, '' )
}
return aux;
} // makeListItem2
var html = $( el ).html();
var br = /<br>/.test(html) ? '<br>' : '<BR>';
631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700
var empty_line = '<li>' + book.replaceSpace + '</li>';
var list_items = html
//extract newlines at the beginning of a span
.replace( /(<span [^>]+>)((?:(?: |\xA0)<br>)+)(.*?)(<\/span>)/ig, '$2$1$3$4' ) // I don't know why <span .*?> does not work here
//transform newlines inside of a span
.replace( /(.*?)(<span .*?>)(.*?)(?:<\/span>(?: |\xA0)<br>|<\/span>)/ig, // but here it does
function( all, before, open, content ) {
if (/<br>/i.test(content)) {
var pieces = before.split( br );
var lastPiece = pieces.pop();
before = pieces.join( br );
var aux = (before ? before + br : '') //+ replace1( lastPiece + content, open );
+ (lastPiece + content).replace( /((.*?)(?: |\xA0)<br>)|(.*)/ig,
function( tmp, not_last_line, not_last, last ) {
var aux2 = makeListItem1( not_last_line, not_last, last, open );
return aux2;
}
);
return aux;
}
else {
return all;
}
}
)
//transform newlines outside of a span
.replace( /(<li>.*?<\/li>)|((.*?)(?: |\xA0)<br>)|(.+)/ig,
function( tmp, prev_li, not_last_line, not_last, last ) {
var aux2 = makeListItem2( not_last_line, not_last, last, prev_li );
return aux2;
}
)
//fix empty lines for Opera
.replace( /<li><\/li>/ig, empty_line )
;
el.innerHTML = '<ol>' + list_items + '</ol>';
} // addLineNumbers
function revealChars( tmp ) {
return $
.map( tmp.split(''),
function(n, i) {
return ' ' + n + ' ' + n.charCodeAt( 0 ) + ' ';
} )
.join(' ');
} // revealChars
//-----------------------------------------------------------------------------
// the coloring starts here
this
.each( function() {
var $this = $( this );
$this.trigger( 'chili.before_coloring' );
askDish( this );
$this.trigger( 'chili.after_coloring' );
} );
return this;
//-----------------------------------------------------------------------------
};
//main
$( function() {
if( ChiliBook.automatic ) {
$( ChiliBook.automaticSelector ).chili();
}
701702703704705
} );
} ) ( jQuery );