From 414134aec77dcebcc622391b76954450707f9988 Mon Sep 17 00:00:00 2001
From: Ewan Mellor <ewan@tipbit.com>
Date: Thu, 19 Mar 2015 18:58:52 -0700
Subject: [PATCH] Add support for CDATA elements.

This adds a constructor for DDXMLElement that turns into a call
to xmlNewCDataBlock and adds the CDATA node as a child of the
DDXMLElement node.

This also adds the appropriate helper to DDXMLNode.
---
 KissXML/DDXMLElement.h |  1 +
 KissXML/DDXMLElement.m | 17 +++++++++++++++++
 KissXML/DDXMLNode.h    |  2 ++
 KissXML/DDXMLNode.m    |  5 +++++
 4 files changed, 25 insertions(+)

diff --git a/KissXML/DDXMLElement.h b/KissXML/DDXMLElement.h
index 379ab107..44238279 100644
--- a/KissXML/DDXMLElement.h
+++ b/KissXML/DDXMLElement.h
@@ -26,6 +26,7 @@
 - (id)initWithName:(NSString *)name;
 - (id)initWithName:(NSString *)name URI:(NSString *)URI;
 - (id)initWithName:(NSString *)name stringValue:(NSString *)string;
+- (id)initWithName:(NSString *)name cdata:(NSString *)cdata;
 - (id)initWithXMLString:(NSString *)string error:(NSError **)error;
 
 #pragma mark --- Elements by name ---
diff --git a/KissXML/DDXMLElement.m b/KissXML/DDXMLElement.m
index 012299fe..88b4ca3c 100644
--- a/KissXML/DDXMLElement.m
+++ b/KissXML/DDXMLElement.m
@@ -101,6 +101,23 @@ - (id)initWithName:(NSString *)name stringValue:(NSString *)string
 	return result;
 }
 
+- (id)initWithName:(NSString *)name cdata:(NSString *)cdata
+{
+	xmlNodePtr node = xmlNewNode(NULL, [name xmlChar]);
+	if (node == NULL)
+	{
+		return nil;
+	}
+
+	const char * content = cdata.UTF8String;
+	xmlNodePtr cdataNode = xmlNewCDataBlock(node->doc, BAD_CAST content, (int)strlen(content));
+	xmlAddChild(node, cdataNode);
+
+	DDXMLElement *result = [self initWithElementPrimitive:node owner:nil];
+
+	return result;
+}
+
 - (id)initWithXMLString:(NSString *)string error:(NSError **)error
 {
 	DDXMLDocument *doc = [[DDXMLDocument alloc] initWithXMLString:string options:0 error:error];
diff --git a/KissXML/DDXMLNode.h b/KissXML/DDXMLNode.h
index 5d49862d..701c990b 100644
--- a/KissXML/DDXMLNode.h
+++ b/KissXML/DDXMLNode.h
@@ -75,6 +75,8 @@ enum {
 
 + (id)elementWithName:(NSString *)name stringValue:(NSString *)string;
 
++ (id)elementWithName:(NSString *)name cdata:(NSString *)cdata;
+
 + (id)elementWithName:(NSString *)name children:(NSArray *)children attributes:(NSArray *)attributes;
 
 + (id)attributeWithName:(NSString *)name stringValue:(NSString *)stringValue;
diff --git a/KissXML/DDXMLNode.m b/KissXML/DDXMLNode.m
index a2cbabcd..5f71250d 100644
--- a/KissXML/DDXMLNode.m
+++ b/KissXML/DDXMLNode.m
@@ -88,6 +88,11 @@ + (id)elementWithName:(NSString *)name stringValue:(NSString *)string
 	return [[DDXMLElement alloc] initWithName:name stringValue:string];
 }
 
++ (id)elementWithName:(NSString *)name cdata:(NSString *)cdata
+{
+	return [[DDXMLElement alloc] initWithName:name cdata:cdata];
+}
+
 + (id)elementWithName:(NSString *)name children:(NSArray *)children attributes:(NSArray *)attributes
 {
 	DDXMLElement *result = [[DDXMLElement alloc] initWithName:name];