--- /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>
+ *
+ * Developers:
+ * Fernando M.A.d.S. <fermads@gmail.com>
+ * Michael Hurni <michael.hurni@gmail.com>
+ * Contributors:
+ * Martin D. Kirk
+ *
+ * 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'; // carret char
+ editor = document.getElementsByTagName('pre')[0];
+ editor.contentEditable = 'true';
+ document.getElementsByTagName('body')[0].onfocus = function() {editor.focus();}
+ document.attachEvent('onkeydown', this.metaHandler);
+ document.attachEvent('onkeypress', this.keyHandler);
+ window.attachEvent('onscroll', function() { if(!CodePress.scrolling) setTimeout(function(){CodePress.syntaxHighlight('scroll')},1)});
+ completeChars = this.getCompleteChars();
+ completeEndingChars = this.getCompleteEndingChars();
+ setTimeout(function() { window.scroll(0,0) },50); // scroll IE to top
+ },
+
+ // treat key bindings
+ keyHandler : function(evt) {
+ charCode = evt.keyCode;
+ fromChar = String.fromCharCode(charCode);
+
+ if( (completeEndingChars.indexOf('|'+fromChar+'|')!= -1 || completeChars.indexOf('|'+fromChar+'|')!=-1 )&& CodePress.autocomplete) { // auto complete
+ if(!CodePress.completeEnding(fromChar))
+ CodePress.complete(fromChar);
+ }
+ else if(chars.indexOf('|'+charCode+'|')!=-1||charCode==13) { // syntax highlighting
+ CodePress.syntaxHighlight('generic');
+ }
+ },
+
+ metaHandler : function(evt) {
+ keyCode = evt.keyCode;
+
+ if(keyCode==9 || evt.tabKey) {
+ CodePress.snippets();
+ }
+ else if((keyCode==122||keyCode==121||keyCode==90) && evt.ctrlKey) { // undo and redo
+ (keyCode==121||evt.shiftKey) ? CodePress.actions.redo() : CodePress.actions.undo();
+ evt.returnValue = false;
+ }
+ else if(keyCode==34||keyCode==33) { // handle page up/down for IE
+ self.scrollBy(0, (keyCode==34) ? 200 : -200);
+ evt.returnValue = false;
+ }
+ else if(keyCode==46||keyCode==8) { // save to history when delete or backspace pressed
+ CodePress.actions.history[CodePress.actions.next()] = editor.innerHTML;
+ }
+ else if((evt.ctrlKey || evt.metaKey) && evt.shiftKey && keyCode!=90) { // shortcuts = ctrl||appleKey+shift+key!=z(undo)
+ CodePress.shortcuts(keyCode);
+ evt.returnValue = false;
+ }
+ else if(keyCode==86 && evt.ctrlKey) { // handle paste
+ window.clipboardData.setData('Text',window.clipboardData.getData('Text').replace(/\t/g,'\u2008'));
+ top.setTimeout(function(){CodePress.syntaxHighlight('paste');},10);
+ }
+ else if(keyCode==67 && evt.ctrlKey) { // handle cut
+ // window.clipboardData.setData('Text',x[0]);
+ // code = window.clipboardData.getData('Text');
+ }
+ },
+
+ // put cursor back to its original position after every parsing
+
+
+ findString : function() {
+ range = self.document.body.createTextRange();
+ if(range.findText(cc)){
+ range.select();
+ range.text = '';
+ }
+ },
+
+ // 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(cc);
+ 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.substring(code.indexOf('<P>'),code.lastIndexOf('</P>')+4);
+ }
+ },
+
+ // syntax highlighting parser
+ syntaxHighlight : function(flag) {
+ if(flag!='init') document.selection.createRange().text = cc;
+ o = editor.innerHTML;
+ if(flag=='paste') { // fix pasted text
+ o = o.replace(/<BR>/g,'\r\n');
+ o = o.replace(/\u2008/g,'\t');
+ }
+ o = o.replace(/<P>/g,'\n');
+ o = o.replace(/<\/P>/g,'\r');
+ o = o.replace(/<.*?>/g,'');
+ o = o.replace(/ /g,'');
+ o = '<PRE><P>'+o+'</P></PRE>';
+ o = o.replace(/\n\r/g,'<P></P>');
+ o = o.replace(/\n/g,'<P>');
+ o = o.replace(/\r/g,'<\/P>');
+ o = o.replace(/<P>(<P>)+/,'<P>');
+ o = o.replace(/<\/P>(<\/P>)+/,'</P>');
+ o = o.replace(/<P><\/P>/g,'<P><BR/></P>');
+ x = z = this.split(o,flag);
+
+ 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.replace(z,x);
+ if(flag!='init') this.findString();
+ },
+
+ 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,'</P><P>');
+ var pattern = new RegExp(trigger+cc,"gi");
+ this.syntaxHighlight('snippets',pattern,content);
+ }
+ }
+ },
+
+ readOnly : function() {
+ editor.contentEditable = (arguments[0]) ? 'false' : 'true';
+ },
+
+ complete : function(trigger) {
+ 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);
+ 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+'|';
+ },
+
+ getCompleteEndingChars : function() {
+ var cChars = '';
+ for(var i=0;i<Language.complete.length;i++)
+ cChars += '|'+Language.complete[i].output.charAt(Language.complete[i].output.length-1);
+ return cChars+'|';
+ },
+
+ completeEnding : function(trigger) {
+ var range = document.selection.createRange();
+ try {
+ range.moveEnd('character', 1)
+ }
+ catch(e) {
+ return false;
+ }
+ var next_character = range.text
+ range.moveEnd('character', -1)
+ if(next_character != trigger ) return false;
+ else {
+ range.moveEnd('character', 1)
+ range.text=''
+ return true;
+ }
+ },
+
+ shortcuts : function() {
+ var cCode = arguments[0];
+ if(cCode==13) cCode = '[enter]';
+ else if(cCode==32) cCode = '[space]';
+ else cCode = '['+String.fromCharCode(keyCode).toLowerCase()+']';
+ for(var i=0;i<Language.shortcuts.length;i++)
+ if(Language.shortcuts[i].input == cCode)
+ this.insertCode(Language.shortcuts[i].output,false);
+ },
+
+ 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();
+ },
+
+ getRangeAndCaret : function() {
+ var range = document.selection.createRange();
+ var caret = Math.abs(range.moveStart('character', -1000000)+1);
+ range = this.getCode();
+ range = range.replace(/\n\r/gi,' ');
+ range = range.replace(/\n/gi,'');
+ return [range.toString(),caret];
+ },
+
+ insertCode : function(code,replaceCursorBefore) {
+ var repdeb = '';
+ var repfin = '';
+
+ if(replaceCursorBefore) { repfin = code; }
+ else { repdeb = code; }
+
+ if(typeof document.selection != 'undefined') {
+ var range = document.selection.createRange();
+ range.text = repdeb + repfin;
+ range = document.selection.createRange();
+ range.move('character', -repfin.length);
+ range.select();
+ }
+ },
+
+ // get code from editor
+ getCode : function() {
+ var code = editor.innerHTML;
+ code = code.replace(/<br>/g,'\n');
+ code = code.replace(/<\/p>/gi,'\r');
+ code = code.replace(/<p>/i,''); // IE first line fix
+ code = code.replace(/<p>/gi,'\n');
+ code = code.replace(/ /gi,'');
+ 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 = '<pre>'+code+'</pre>';
+ },
+
+
+ // undo and redo methods
+ actions : {
+ pos : -1, // actual history position
+ history : [], // history vector
+
+ undo : function() {
+ if(editor.innerHTML.indexOf(cc)==-1){
+ document.selection.createRange().text = 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.attachEvent('onload', function() { CodePress.initialize('new');});
\ No newline at end of file
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