* Modified for Ardour and released under the same terms.
*/
+#include <iostream>
#include "pbd/xml++.h"
#include <libxml/debugXML.h>
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
-#define XML_VERSION "1.0"
+xmlChar* xml_version = xmlCharStrdup("1.0");
using namespace std;
XMLTree::XMLTree()
: _filename()
, _root(0)
+ , _doc (0)
, _compression(0)
{
}
XMLTree::XMLTree(const string& fn, bool validate)
: _filename(fn)
, _root(0)
+ , _doc (0)
, _compression(0)
{
read_internal(validate);
XMLTree::XMLTree(const XMLTree* from)
: _filename(from->filename())
, _root(new XMLNode(*from->root()))
+ , _doc (xmlCopyDoc (from->_doc, 1))
, _compression(from->compression())
{
+
}
XMLTree::~XMLTree()
{
delete _root;
+
+ if (_doc) {
+ xmlFreeDoc (_doc);
+ }
}
int
delete _root;
_root = 0;
+ if (_doc) {
+ xmlFreeDoc (_doc);
+ _doc = 0;
+ }
+
xmlParserCtxtPtr ctxt = NULL; /* the parser context */
- xmlDocPtr doc; /* the resulting document tree */
xmlKeepBlanksDefault(0);
/* parse the file, activating the DTD validation option */
if (ctxt == NULL) {
return false;
}
- doc = xmlCtxtReadFile(ctxt, _filename.c_str(), NULL, XML_PARSE_DTDVALID);
+ _doc = xmlCtxtReadFile(ctxt, _filename.c_str(), NULL, XML_PARSE_DTDVALID);
} else {
- doc = xmlParseFile(_filename.c_str());
+ _doc = xmlParseFile(_filename.c_str());
}
-
+
/* check if parsing suceeded */
- if (doc == NULL) {
+ if (_doc == NULL) {
if (validate) {
xmlFreeParserCtxt(ctxt);
}
/* check if validation suceeded */
if (validate && ctxt->valid == 0) {
xmlFreeParserCtxt(ctxt);
- xmlFreeDoc(doc);
- xmlCleanupParser();
throw XMLException("Failed to validate document " + _filename);
}
}
- _root = readnode(xmlDocGetRootElement(doc));
+ _root = readnode(xmlDocGetRootElement(_doc));
/* free up the parser context */
if (validate) {
xmlFreeParserCtxt(ctxt);
}
- xmlFreeDoc(doc);
- xmlCleanupParser();
-
+
return true;
}
delete _root;
_root = 0;
- doc = xmlParseMemory((char*)buffer.c_str(), buffer.length());
+ doc = xmlParseMemory(const_cast<char*>(buffer.c_str()), buffer.length());
if (!doc) {
return false;
}
int result;
xmlKeepBlanksDefault(0);
- doc = xmlNewDoc((xmlChar*) XML_VERSION);
+ doc = xmlNewDoc(xml_version);
xmlSetDocCompressMode(doc, _compression);
writenode(doc, _root, doc->children, 1);
result = xmlSaveFormatFileEnc(_filename.c_str(), doc, "UTF-8", 1);
void
XMLTree::debug(FILE* out) const
{
+#ifdef LIBXML_DEBUG_ENABLED
xmlDocPtr doc;
XMLNodeList children;
xmlKeepBlanksDefault(0);
- doc = xmlNewDoc((xmlChar*) XML_VERSION);
+ doc = xmlNewDoc(xml_version);
xmlSetDocCompressMode(doc, _compression);
writenode(doc, _root, doc->children, 1);
xmlDebugDumpDocument (out, doc);
xmlFreeDoc(doc);
+#endif
}
const string&
XMLNodeList children;
xmlKeepBlanksDefault(0);
- doc = xmlNewDoc((xmlChar*) XML_VERSION);
+ doc = xmlNewDoc(xml_version);
xmlSetDocCompressMode(doc, _compression);
writenode(doc, _root, doc->children, 1);
xmlDocDumpMemory(doc, (xmlChar **) & ptr, &len);
XMLNode::XMLNode(const XMLNode& from)
{
- XMLPropertyList props;
- XMLPropertyIterator curprop;
- XMLNodeList nodes;
- XMLNodeIterator curnode;
-
- _name = from.name();
- set_content(from.content());
-
- props = from.properties();
- for (curprop = props.begin(); curprop != props.end(); ++curprop) {
- add_property((*curprop)->name().c_str(), (*curprop)->value());
- }
-
- nodes = from.children();
- for (curnode = nodes.begin(); curnode != nodes.end(); ++curnode) {
- add_child_copy(**curnode);
- }
+ *this = from;
}
XMLNode::~XMLNode()
+{
+ clear_lists ();
+}
+
+void
+XMLNode::clear_lists ()
{
XMLNodeIterator curchild;
XMLPropertyIterator curprop;
+ _selected_children.clear ();
+ _propmap.clear ();
+
for (curchild = _children.begin(); curchild != _children.end(); ++curchild) {
delete *curchild;
}
+ _children.clear ();
+
for (curprop = _proplist.begin(); curprop != _proplist.end(); ++curprop) {
delete *curprop;
}
+
+ _proplist.clear ();
+}
+
+XMLNode&
+XMLNode::operator= (const XMLNode& from)
+{
+ if (&from != this) {
+
+ XMLPropertyList props;
+ XMLPropertyIterator curprop;
+ XMLNodeList nodes;
+ XMLNodeIterator curnode;
+
+ clear_lists ();
+
+ _name = from.name();
+ set_content(from.content());
+
+ props = from.properties();
+ for (curprop = props.begin(); curprop != props.end(); ++curprop) {
+ add_property((*curprop)->name().c_str(), (*curprop)->value());
+ }
+
+ nodes = from.children();
+ for (curnode = nodes.begin(); curnode != nodes.end(); ++curnode) {
+ add_child_copy(**curnode);
+ }
+ }
+
+ return *this;
}
const string&
}
boost::shared_ptr<XMLSharedNodeList>
-XMLNode::find(const string xpath) const
+XMLTree::find(const string xpath, XMLNode* node) const
{
- xmlDocPtr doc = xmlNewDoc((xmlChar*) XML_VERSION);
- writenode(doc, (XMLNode*)this, doc->children, 1);
- xmlXPathContext* ctxt = xmlXPathNewContext(doc);
+ xmlXPathContext* ctxt;
+ xmlDocPtr doc = 0;
+ if (node) {
+ doc = xmlNewDoc(xml_version);
+ writenode(doc, node, doc->children, 1);
+ ctxt = xmlXPathNewContext(doc);
+ } else {
+ ctxt = xmlXPathNewContext(_doc);
+ }
+
boost::shared_ptr<XMLSharedNodeList> result =
- boost::shared_ptr<XMLSharedNodeList>(find_impl(ctxt, xpath));
-
+ boost::shared_ptr<XMLSharedNodeList>(find_impl(ctxt, xpath));
+
xmlXPathFreeContext(ctxt);
- xmlFreeDoc(doc);
+ if (doc) {
+ xmlFreeDoc (doc);
+ }
return result;
}
XMLNode::add_property(const char* n, const string& v)
{
string ns(n);
- if (_propmap.find(ns) != _propmap.end()) {
- remove_property(ns);
+ map<string,XMLProperty*>::iterator iter;
+
+ if ((iter = _propmap.find(ns)) != _propmap.end()) {
+ iter->second->set_value (v);
+ return iter->second;
}
XMLProperty* tmp = new XMLProperty(ns, v);
XMLProperty*
XMLNode::add_property(const char* name, const long value)
{
- static char str[1024];
- snprintf(str, 1024, "%ld", value);
+ char str[64];
+ snprintf(str, sizeof(str), "%ld", value);
return add_property(name, str);
}
XMLNode::remove_property(const string& n)
{
if (_propmap.find(n) != _propmap.end()) {
- _proplist.remove(_propmap[n]);
+ XMLProperty* p = _propmap[n];
+ _proplist.remove (p);
+ delete p;
_propmap.erase(n);
}
}
+/** Remove any property with the given name from this node and its children */
+void
+XMLNode::remove_property_recursively(const string& n)
+{
+ remove_property (n);
+ for (XMLNodeIterator i = _children.begin(); i != _children.end(); ++i) {
+ (*i)->remove_property_recursively (n);
+ }
+}
+
void
XMLNode::remove_nodes(const string& n)
{
xmlAttrPtr attr;
if (node->name) {
- name = (char*)node->name;
+ name = (const char*)node->name;
}
tmp = new XMLNode(name);
if (attr->children) {
content = (char*)attr->children->content;
}
- tmp->add_property((char*)attr->name, content);
+ tmp->add_property((const char*)attr->name, content);
}
if (node->content) {
xmlNodePtr node;
if (root) {
- node = doc->children = xmlNewDocNode(doc, 0, (xmlChar*) n->name().c_str(), 0);
+ node = doc->children = xmlNewDocNode(doc, 0, (const xmlChar*) n->name().c_str(), 0);
} else {
- node = xmlNewChild(p, 0, (xmlChar*) n->name().c_str(), 0);
+ node = xmlNewChild(p, 0, (const xmlChar*) n->name().c_str(), 0);
}
if (n->is_content()) {
props = n->properties();
for (curprop = props.begin(); curprop != props.end(); ++curprop) {
- xmlSetProp(node, (xmlChar*) (*curprop)->name().c_str(), (xmlChar*) (*curprop)->value().c_str());
+ xmlSetProp(node, (const xmlChar*) (*curprop)->name().c_str(), (const xmlChar*) (*curprop)->value().c_str());
}
children = n->children();
return nodes;
}
+/** Dump a node, its properties and children to a stream */
+void
+XMLNode::dump (ostream& s, string p) const
+{
+ if (_is_content) {
+ s << p << " " << content() << "\n";
+ } else {
+ s << p << "<" << _name;
+ for (XMLPropertyList::const_iterator i = _proplist.begin(); i != _proplist.end(); ++i) {
+ s << " " << (*i)->name() << "=\"" << (*i)->value() << "\"";
+ }
+ s << ">\n";
+
+ for (XMLNodeList::const_iterator i = _children.begin(); i != _children.end(); ++i) {
+ (*i)->dump (s, p + " ");
+ }
+
+ s << p << "</" << _name << ">\n";
+ }
+}