+/*
+ Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
+
+ This file is part of libdcp.
+
+ libdcp is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ libdcp is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
+*/
+
+
+/** @file src/xml.h
+ * @brief Helpers for XML reading with libcxml
+ */
+
+
#ifndef LIBDCP_XML_H
#define LIBDCP_XML_H
-#include <string>
-#include <list>
-#include <stdint.h>
-#include <glibmm.h>
-#include <boost/shared_ptr.hpp>
-#include "types.h"
+
#include "exceptions.h"
-#include "dcp_time.h"
+#include <libcxml/cxml.h>
-namespace xmlpp {
- class Node;
- class DomParser;
-}
-namespace libdcp {
+namespace dcp
+{
+
-class XMLNode
+template <class T>
+std::shared_ptr<T>
+optional_type_child (cxml::Node const & node, std::string name)
{
-public:
- XMLNode ();
- XMLNode (xmlpp::Node const * node);
-
-protected:
- std::string string_node (std::string);
- std::string optional_string_node (std::string);
- ContentKind kind_node (std::string);
- Fraction fraction_node (std::string);
- int64_t int64_node (std::string);
- int64_t optional_int64_node (std::string);
- float float_node (std::string);
- void ignore_node (std::string);
- void done ();
-
- Time time_attribute (std::string);
- float float_attribute (std::string);
- std::string string_attribute (std::string);
- int64_t int64_attribute (std::string);
-
- std::string content ();
-
- template <class T>
- boost::shared_ptr<T> sub_node (std::string name) {
- return boost::shared_ptr<T> (new T (xml_node (name)));
+ auto n = node.node_children (name);
+ if (n.size() > 1) {
+ throw XMLError ("duplicate XML tag");
+ } else if (n.empty ()) {
+ return {};
}
- template <class T>
- boost::shared_ptr<T> optional_sub_node (std::string name) {
- std::list<xmlpp::Node*> n = xml_nodes (name);
- if (n.size() > 1) {
- throw XMLError ("duplicate XML tag");
- } else if (n.empty ()) {
- return boost::shared_ptr<T> ();
- }
-
- return boost::shared_ptr<T> (new T (n.front ()));
- }
-
- template <class T>
- std::list<boost::shared_ptr<T> > sub_nodes (std::string name) {
- std::list<xmlpp::Node*> n = xml_nodes (name);
- std::list<boost::shared_ptr<T> > r;
- for (typename std::list<xmlpp::Node*>::iterator i = n.begin(); i != n.end(); ++i) {
- r.push_back (boost::shared_ptr<T> (new T (*i)));
- }
- return r;
- }
+ return std::make_shared<T>(n.front());
+}
+
- template <class T>
- std::list<boost::shared_ptr<T> > sub_nodes (std::string name, std::string sub) {
- XMLNode p (xml_node (name));
- return p.sub_nodes<T> (sub);
+template <class T>
+std::shared_ptr<T> type_child (std::shared_ptr<const cxml::Node> node, std::string name) {
+ return std::make_shared<T>(node->node_child(name));
+}
+
+
+template <class T>
+std::shared_ptr<T>
+optional_type_child (std::shared_ptr<const cxml::Node> node, std::string name)
+{
+ return optional_type_child<T> (*node.get(), name);
+}
+
+
+template <class T>
+std::vector<std::shared_ptr<T>>
+type_children (cxml::Node const & node, std::string name)
+{
+ std::vector<std::shared_ptr<T>> r;
+ for (auto i: node.node_children(name)) {
+ r.push_back (std::make_shared<T>(i));
}
+ return r;
+}
- xmlpp::Node const * _node;
-private:
- xmlpp::Node* xml_node (std::string);
- std::list<xmlpp::Node*> xml_nodes (std::string);
- std::list<Glib::ustring> _taken;
-};
+template <class T>
+std::vector<std::shared_ptr<T>>
+type_children (std::shared_ptr<const cxml::Node> node, std::string name)
+{
+ return type_children<T> (*node.get(), name);
+}
-class XMLFile : public XMLNode
+
+template <class T>
+std::vector<std::shared_ptr<T>>
+type_grand_children (cxml::Node const & node, std::string name, std::string sub)
{
-public:
- XMLFile (std::string file, std::string root_name);
- virtual ~XMLFile ();
+ return type_children<T> (node.node_child(name), sub);
+}
-private:
- xmlpp::DomParser* _parser;
-};
+
+template <class T>
+std::vector<std::shared_ptr<T>>
+type_grand_children (std::shared_ptr<const cxml::Node> node, std::string name, std::string sub)
+{
+ return type_grand_children<T> (*node.get(), name, sub);
+}
}
+
#endif
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