Moving more serializer code over to VisualEditor

modules/es/es.Document.Serializer.js

@@ -0,0 +1,69 @@
+/**
+ * Creates content serializer.
+ * 
+ * Base object for all serializers, providing basic shared functionality and stubs for required
+ * implementations.
+ * 
+ * @class
+ * @constructor
+ * @param context {es.WikiContext} Context of the wiki the document is a part of
+ * @property context {es.WikiContext} Context of the wiki the document is a part of
+ */
+es.Document.Serializer = function( context ) {
+	this.context = context;
+};
+
+/* Static Methods */
+
+es.Document.Serializer.repeatString = function( pattern, count ) {
+	if ( count < 1 ) {
+		return '';
+	}
+	var result = '';
+	while ( count > 0 ) {
+		if ( count & 1 ) { result += pattern; }
+		count >>= 1;
+		pattern += pattern;
+	}
+	return result;
+};
+
+es.Document.Serializer.escapeXmlText = function( text ) {
+	return text
+		.replace( /&/g, '&amp;' )
+		.replace( /</g, '&lt;' )
+		.replace( />/g, '&gt;' )
+		.replace( /"/g, '&quot;' )
+		.replace( /'/g, '&#039;' );
+};
+
+es.Document.Serializer.buildXmlAttributes = function( attributes, prespace ) {
+	var attr = [];
+	var name;
+	if ( attributes ) {
+		for ( name in attributes ) {
+			attr.push( name + '="' + attributes[name] + '"' );
+		}
+	}
+	return ( prespace && attr.length ? ' ' : '' ) + attr.join( ' ' );
+};
+
+es.Document.Serializer.buildXmlOpeningTag = function( tag, attributes ) {
+	return '<' + tag + es.Document.Serializer.buildXmlAttributes( attributes, true ) + '>';
+};
+
+es.Document.Serializer.buildXmlClosingTag = function( tag ) {
+	return '</' + tag + '>';
+};
+
+es.Document.Serializer.buildXmlTag = function( tag, attributes, value, escape ) {
+	if ( value === false ) {
+		return '<' + tag + es.Document.Serializer.buildXmlAttributes( attributes, true ) + ' />';
+	} else {
+		if ( escape ) {
+			value = wiki.util.xml.esc( value );
+		}
+		return '<' + tag + es.Document.Serializer.buildXmlAttributes( attributes, true ) + '>' +
+			value + '</' + tag + '>';
+	}
+};