--- /dev/null
+/*
+ * CodePress - Real Time Syntax Highlighting Editor written in JavaScript - http://codepress.org/
+ *
+ * Copyright (C) 2007 Fernando M.A.d.S. <fermads@gmail.com>
+ *
+ * Contributors :
+ *
+ * Michael Hurni <michael.hurni@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it under the terms of the
+ * GNU Lesser General Public License as published by the Free Software Foundation.
+ *
+ * Read the full licence: http://www.opensource.org/licenses/lgpl-license.php
+ */
+
+
+CodePress = {
+ scrolling : false,
+ autocomplete : true,
+
+ // set initial vars and start sh
+ initialize : function() {
+ if(typeof(editor)=='undefined' && !arguments[0]) return;
+ chars = '|32|46|62|'; // charcodes that trigger syntax highlighting
+ cc = '\u2009'; // control char
+ editor = document.getElementsByTagName('body')[0];
+ document.designMode = 'on';
+ document.addEventListener('keyup', this.keyHandler, true);
+ window.addEventListener('scroll', function() { if(!CodePress.scrolling) CodePress.syntaxHighlight('scroll') }, false);
+ completeChars = this.getCompleteChars();
+// CodePress.syntaxHighlight('init');
+ },
+
+ // treat key bindings
+ keyHandler : function(evt) {
+ keyCode = evt.keyCode;
+ charCode = evt.charCode;
+
+ if((evt.ctrlKey || evt.metaKey) && evt.shiftKey && charCode!=90) { // shortcuts = ctrl||appleKey+shift+key!=z(undo)
+ CodePress.shortcuts(charCode?charCode:keyCode);
+ }
+ else if(completeChars.indexOf('|'+String.fromCharCode(charCode)+'|')!=-1 && CodePress.autocomplete) { // auto complete
+ CodePress.complete(String.fromCharCode(charCode));
+ }
+ else if(chars.indexOf('|'+charCode+'|')!=-1||keyCode==13) { // syntax highlighting
+ CodePress.syntaxHighlight('generic');
+ }
+ else if(keyCode==9 || evt.tabKey) { // snippets activation (tab)
+ CodePress.snippets(evt);
+ }
+ else if(keyCode==46||keyCode==8) { // save to history when delete or backspace pressed
+ CodePress.actions.history[CodePress.actions.next()] = editor.innerHTML;
+ }
+ else if((charCode==122||charCode==121||charCode==90) && evt.ctrlKey) { // undo and redo
+ (charCode==121||evt.shiftKey) ? CodePress.actions.redo() : CodePress.actions.undo();
+ evt.preventDefault();
+ }
+ else if(keyCode==86 && evt.ctrlKey) { // paste
+ // TODO: pasted text should be parsed and highlighted
+ }
+ },
+
+ // put cursor back to its original position after every parsing
+ findString : function() {
+ var sel = window.getSelection();
+ var range = window.document.createRange();
+ var span = window.document.getElementsByTagName('span')[0];
+
+ range.selectNode(span);
+ sel.removeAllRanges();
+ sel.addRange(range);
+ span.parentNode.removeChild(span);
+ //if(self.find(cc))
+ //window.getSelection().getRangeAt(0).deleteContents();
+ },
+
+ // split big files, highlighting parts of it
+ split : function(code,flag) {
+ if(flag=='scroll') {
+ this.scrolling = true;
+ return code;
+ }
+ else {
+ this.scrolling = false;
+ mid = code.indexOf('<SPAN>');
+ if(mid-2000<0) {ini=0;end=4000;}
+ else if(mid+2000>code.length) {ini=code.length-4000;end=code.length;}
+ else {ini=mid-2000;end=mid+2000;}
+ code = code.substring(ini,end);
+ return code;
+ }
+ },
+
+ // syntax highlighting parser
+ syntaxHighlight : function(flag) {
+ //if(document.designMode=='off') document.designMode='on'
+ if(flag!='init') {
+ var span = document.createElement('span');
+ window.getSelection().getRangeAt(0).insertNode(span);
+ }
+
+ o = editor.innerHTML;
+// o = o.replace(/<br>/g,'\r\n');
+// o = o.replace(/<(b|i|s|u|a|em|tt|ins|big|cite|strong)?>/g,'');
+ //alert(o)
+ o = o.replace(/<(?!span|\/span|br).*?>/gi,'');
+// alert(o)
+// x = o;
+ x = z = this.split(o,flag);
+ //alert(z)
+// x = x.replace(/\r\n/g,'<br>');
+ x = x.replace(/\t/g, ' ');
+
+
+ if(arguments[1]&&arguments[2]) x = x.replace(arguments[1],arguments[2]);
+
+ for(i=0;i<Language.syntax.length;i++)
+ x = x.replace(Language.syntax[i].input,Language.syntax[i].output);
+
+ editor.innerHTML = this.actions.history[this.actions.next()] = (flag=='scroll') ? x : o.split(z).join(x);
+
+ if(flag!='init') this.findString();
+ },
+
+ getLastWord : function() {
+ var rangeAndCaret = CodePress.getRangeAndCaret();
+ words = rangeAndCaret[0].substring(rangeAndCaret[1]-40,rangeAndCaret[1]);
+ words = words.replace(/[\s\n\r\);\W]/g,'\n').split('\n');
+ return words[words.length-1].replace(/[\W]/gi,'').toLowerCase();
+ },
+
+ snippets : function(evt) {
+ var snippets = Language.snippets;
+ var trigger = this.getLastWord();
+ for (var i=0; i<snippets.length; i++) {
+ if(snippets[i].input == trigger) {
+ var content = snippets[i].output.replace(/</g,'<');
+ content = content.replace(/>/g,'>');
+ if(content.indexOf('$0')<0) content += cc;
+ else content = content.replace(/\$0/,cc);
+ content = content.replace(/\n/g,'<br>');
+ var pattern = new RegExp(trigger+cc,'gi');
+ evt.preventDefault(); // prevent the tab key from being added
+ this.syntaxHighlight('snippets',pattern,content);
+ }
+ }
+ },
+
+ readOnly : function() {
+ document.designMode = (arguments[0]) ? 'off' : 'on';
+ },
+
+ complete : function(trigger) {
+ window.getSelection().getRangeAt(0).deleteContents();
+ var complete = Language.complete;
+ for (var i=0; i<complete.length; i++) {
+ if(complete[i].input == trigger) {
+ var pattern = new RegExp('\\'+trigger+cc);
+ var content = complete[i].output.replace(/\$0/g,cc);
+ parent.setTimeout(function () { CodePress.syntaxHighlight('complete',pattern,content)},0); // wait for char to appear on screen
+ }
+ }
+ },
+
+ getCompleteChars : function() {
+ var cChars = '';
+ for(var i=0;i<Language.complete.length;i++)
+ cChars += '|'+Language.complete[i].input;
+ return cChars+'|';
+ },
+
+ shortcuts : function() {
+ var cCode = arguments[0];
+ if(cCode==13) cCode = '[enter]';
+ else if(cCode==32) cCode = '[space]';
+ else cCode = '['+String.fromCharCode(charCode).toLowerCase()+']';
+ for(var i=0;i<Language.shortcuts.length;i++)
+ if(Language.shortcuts[i].input == cCode)
+ this.insertCode(Language.shortcuts[i].output,false);
+ },
+
+ getRangeAndCaret : function() {
+ var range = window.getSelection().getRangeAt(0);
+ var range2 = range.cloneRange();
+ var node = range.endContainer;
+ var caret = range.endOffset;
+ range2.selectNode(node);
+ return [range2.toString(),caret];
+ },
+
+ insertCode : function(code,replaceCursorBefore) {
+ var range = window.getSelection().getRangeAt(0);
+ var node = window.document.createTextNode(code);
+ var selct = window.getSelection();
+ var range2 = range.cloneRange();
+ // Insert text at cursor position
+ selct.removeAllRanges();
+ range.deleteContents();
+ range.insertNode(node);
+ // Move the cursor to the end of text
+ range2.selectNode(node);
+ range2.collapse(replaceCursorBefore);
+ selct.removeAllRanges();
+ selct.addRange(range2);
+ },
+
+ // get code from editor
+ getCode : function() {
+ var code = editor.innerHTML;
+ code = code.replace(/<br>/g,'\n');
+ code = code.replace(/\u2009/g,'');
+ code = code.replace(/<.*?>/g,'');
+ code = code.replace(/</g,'<');
+ code = code.replace(/>/g,'>');
+ code = code.replace(/&/gi,'&');
+ return code;
+ },
+
+ // put code inside editor
+ setCode : function() {
+ var code = arguments[0];
+ code = code.replace(/\u2009/gi,'');
+ code = code.replace(/&/gi,'&');
+ code = code.replace(/</g,'<');
+ code = code.replace(/>/g,'>');
+ editor.innerHTML = code;
+ },
+
+ // undo and redo methods
+ actions : {
+ pos : -1, // actual history position
+ history : [], // history vector
+
+ undo : function() {
+ if(editor.innerHTML.indexOf(cc)==-1){
+ window.getSelection().getRangeAt(0).insertNode(document.createTextNode(cc));
+ this.history[this.pos] = editor.innerHTML;
+ }
+ this.pos--;
+ if(typeof(this.history[this.pos])=='undefined') this.pos++;
+ editor.innerHTML = this.history[this.pos];
+ CodePress.findString();
+ },
+
+ redo : function() {
+ this.pos++;
+ if(typeof(this.history[this.pos])=='undefined') this.pos--;
+ editor.innerHTML = this.history[this.pos];
+ CodePress.findString();
+ },
+
+ next : function() { // get next vector position and clean old ones
+ if(this.pos>20) this.history[this.pos-21] = undefined;
+ return ++this.pos;
+ }
+ }
+}
+
+Language={};
+window.addEventListener('load', function() { CodePress.initialize('new'); }, true);