X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=c%2B%2B0x%2Fxml-template.cpp;h=febece21a0b70a2b2bcfd923b350bba2fbedc9e1;hb=29f0ad69120092c93021e37f764777d5ccd84d3e;hp=96f027033ba30acf87ca50af3c6a22a49ed03ef8;hpb=8e1d37633979005acd694fc86ee91b724fe4361b;p=xml-template

diff --git a/c++0x/xml-template.cpp b/c++0x/xml-template.cpp
index 96f0270..febece2 100644
--- a/c++0x/xml-template.cpp
+++ b/c++0x/xml-template.cpp
@@ -17,12 +17,23 @@ void clean_node(xmlNode *node)
 		xmlReplaceNode(node, frag);
 		frag->children = node->children;
 		frag->last = node->last;
+
+		node->children = node->last = NULL;
+		xmlFreeNode(node);
 	}
 }
 
+// Does A begin with B?
+bool begins_with(const string &a, const string &b)
+{
+	return (a.compare(0, b.size(), b) == 0);
+}
+
 }  // namespace
 
 Directive::~Directive() {}
+	
+string Directive::get_contents() { return ""; }
 
 Replace::Replace(const string &str)
 	: str(str) {}
@@ -34,6 +45,8 @@ void Replace::process(xmlNode *node, bool clean) {
 	}
 }
 
+string Replace::get_contents() { return str; }
+
 Clone::Clone(const vector<Directive *> &subdirectives)
 	: subdirectives(subdirectives) {}
 	
@@ -92,7 +105,9 @@ Substitute::~Substitute()
 
 void Substitute::process(xmlNode *node, bool clean)
 {
-	for (xmlNode *child = node->children; child != NULL; child = child->next) {
+	xmlNode *next_child;
+	for (xmlNode *child = node->children; child != NULL; child = next_child) {
+		next_child = child->next;	
 		bool processed = false;
 
 		if (child->type == XML_ELEMENT_NODE) {
@@ -114,15 +129,36 @@ void Substitute::process(xmlNode *node, bool clean)
 
 			// Check all substitutions to see if we found anything appropriate.
 			for (auto it : substitution_map) {
-				if (it.first == reinterpret_cast<const char *>(child->name) ||
+				string tag = reinterpret_cast<const char *>(child->name);
+
+				// Attribute substitution.
+				if (begins_with(it.first, tag + "/")) {
+					const xmlChar *attr_key = reinterpret_cast<const xmlChar *>(
+						it.first.substr(tag.size() + 1).c_str());
+					const xmlChar *attr_value = reinterpret_cast<const xmlChar *>(
+						it.second->get_contents().c_str());
+					xmlSetProp(child, attr_key, attr_value);
+				} else if ((!id.empty() && begins_with(it.first, "#" + id + "/"))) {
+					const xmlChar *attr_key = reinterpret_cast<const xmlChar *>(
+						it.first.substr(tag.size() + 2).c_str());
+					const xmlChar *attr_value = reinterpret_cast<const xmlChar *>(
+						it.second->get_contents().c_str());
+					xmlSetProp(child, attr_key, attr_value);
+				}
+
+				if (processed) {
+					continue;
+				}
+
+				// Regular substitution.
+				if (it.first == tag ||
 				    (!id.empty() && it.first == ("#" + id))) {
 					it.second->process(child, clean);
 					processed = true;
-					break;
 				}
 			}
 		}
-		
+
 		if (!processed) {
 			process(child, clean);
 		}