-#include <sstream>
-#include <iostream>
-#include <boost/lexical_cast.hpp>
+/*
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
+
+ This file is part of libcxml.
+
+ libcxml 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.
+
+ libcxml 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 libcxml. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "cxml.h"
+#include <libxml++/libxml++.h>
+#include <libxml++config.h>
#include <boost/filesystem.hpp>
#include <boost/algorithm/string.hpp>
-#include <libxml++/libxml++.h>
-#include "cxml.h"
+#include <cstdio>
+
+
+using std::make_shared;
+using std::shared_ptr;
+using std::string;
+using std::vector;
+using boost::optional;
-using namespace std;
-using namespace boost;
cxml::Node::Node ()
- : _node (0)
+ : _node (nullptr)
{
}
string
cxml::Node::name () const
{
- assert (_node);
+ if (!_node) {
+ throw Error ("No node to read name from");
+ }
return _node->get_name ();
}
shared_ptr<cxml::Node>
cxml::Node::node_child (string name) const
{
- list<shared_ptr<cxml::Node> > n = node_children (name);
+ auto const n = node_children (name);
if (n.size() > 1) {
throw cxml::Error ("duplicate XML tag " + name);
} else if (n.empty ()) {
throw cxml::Error ("missing XML tag " + name + " in " + _node->get_name());
}
-
+
return n.front ();
}
shared_ptr<cxml::Node>
cxml::Node::optional_node_child (string name) const
{
- list<shared_ptr<cxml::Node> > n = node_children (name);
+ auto const n = node_children (name);
if (n.size() > 1) {
throw cxml::Error ("duplicate XML tag " + name);
} else if (n.empty ()) {
- return shared_ptr<cxml::Node> ();
+ return {};
}
-
+
return n.front ();
}
-list<shared_ptr<cxml::Node> >
+vector<shared_ptr<cxml::Node>>
+cxml::Node::node_children () const
+{
+ if (!_node) {
+ throw Error ("No node to read children from");
+ }
+
+ vector<shared_ptr<cxml::Node>> n;
+ for (auto i: _node->get_children()) {
+ n.push_back(make_shared<Node>(i));
+ }
+
+ return n;
+}
+
+vector<shared_ptr<cxml::Node>>
cxml::Node::node_children (string name) const
{
/* XXX: using find / get_path should work here, but I can't follow
how get_path works.
*/
- xmlpp::Node::NodeList c = _node->get_children ();
-
- list<shared_ptr<cxml::Node> > n;
- for (xmlpp::Node::NodeList::iterator i = c.begin (); i != c.end(); ++i) {
- if ((*i)->get_name() == name) {
- n.push_back (shared_ptr<Node> (new Node (*i)));
+ if (!_node) {
+ throw cxml::Error("Node has no internal xmlpp node; did you forget to call a read method on cxml::Document?");
+ }
+
+ auto const glib_name = Glib::ustring(name);
+
+ vector<shared_ptr<cxml::Node>> n;
+ for (auto i: _node->get_children()) {
+ if (i->get_name() == glib_name) {
+ n.push_back(make_shared<Node>(i));
}
}
-
- _taken.push_back (name);
+
+ _taken.push_back(glib_name);
return n;
}
optional<string>
cxml::Node::optional_string_child (string c) const
{
- list<shared_ptr<Node> > nodes = node_children (c);
+ auto const nodes = node_children (c);
if (nodes.size() > 1) {
throw cxml::Error ("duplicate XML tag " + c);
}
if (nodes.empty ()) {
- return optional<string> ();
+ return {};
}
return nodes.front()->content();
bool
cxml::Node::bool_child (string c) const
{
- string const s = string_child (c);
- return (s == "1" || s == "yes");
+ auto const s = string_child (c);
+ return (s == "1" || s == "yes" || s == "True");
}
optional<bool>
cxml::Node::optional_bool_child (string c) const
{
- optional<string> s = optional_string_child (c);
+ auto const s = optional_string_child (c);
if (!s) {
- return optional<bool> ();
+ return {};
}
-
- return (s.get() == "1" || s.get() == "yes");
+
+ return (s.get() == "1" || s.get() == "yes" || s.get() == "True");
}
void
string
cxml::Node::string_attribute (string name) const
{
- xmlpp::Element const * e = dynamic_cast<const xmlpp::Element *> (_node);
+ auto e = dynamic_cast<const xmlpp::Element *> (_node);
if (!e) {
- throw cxml::Error ("missing attribute");
+ throw cxml::Error ("missing attribute " + name);
}
-
- xmlpp::Attribute* a = e->get_attribute (name);
+
+ auto a = e->get_attribute (name);
if (!a) {
- throw cxml::Error ("missing attribute");
+ throw cxml::Error ("missing attribute " + name);
}
return a->get_value ();
optional<string>
cxml::Node::optional_string_attribute (string name) const
{
- xmlpp::Element const * e = dynamic_cast<const xmlpp::Element *> (_node);
+ auto e = dynamic_cast<const xmlpp::Element *> (_node);
if (!e) {
- return optional<string> ();
+ return {};
}
-
- xmlpp::Attribute* a = e->get_attribute (name);
+
+ auto a = e->get_attribute (name);
if (!a) {
- return optional<string> ();
+ return {};
}
return string (a->get_value ());
bool
cxml::Node::bool_attribute (string name) const
{
- string const s = string_attribute (name);
+ auto const s = string_attribute (name);
return (s == "1" || s == "yes");
}
optional<bool>
cxml::Node::optional_bool_attribute (string name) const
{
- optional<string> s = optional_string_attribute (name);
+ auto s = optional_string_attribute (name);
if (!s) {
- return optional<bool> ();
+ return {};
}
return (s.get() == "1" || s.get() == "yes");
void
cxml::Node::done () const
{
- xmlpp::Node::NodeList c = _node->get_children ();
- for (xmlpp::Node::NodeList::iterator i = c.begin(); i != c.end(); ++i) {
- if (dynamic_cast<xmlpp::Element *> (*i) && find (_taken.begin(), _taken.end(), (*i)->get_name()) == _taken.end ()) {
- throw cxml::Error ("unexpected XML node " + (*i)->get_name());
+ for (auto i: _node->get_children()) {
+ if (dynamic_cast<xmlpp::Element*>(i) && find(_taken.begin(), _taken.end(), i->get_name()) == _taken.end()) {
+ throw cxml::Error ("unexpected XML node " + i->get_name());
}
}
}
cxml::Node::content () const
{
string content;
-
- xmlpp::Node::NodeList c = _node->get_children ();
- for (xmlpp::Node::NodeList::const_iterator i = c.begin(); i != c.end(); ++i) {
- xmlpp::ContentNode const * v = dynamic_cast<xmlpp::ContentNode const *> (*i);
- if (v) {
+
+ for (auto i: _node->get_children()) {
+ auto v = dynamic_cast<xmlpp::ContentNode const *> (i);
+ if (v && dynamic_cast<xmlpp::TextNode const *>(v)) {
content += v->get_content ();
}
}
return _node->get_namespace_prefix ();
}
+
+bool
+cxml::Node::is_text() const
+{
+ return dynamic_cast<const xmlpp::TextNode*>(_node);
+}
+
cxml::Document::Document (string root_name)
: _root_name (root_name)
{
read_file (file);
}
+cxml::Document::Document ()
+{
+ _parser = new xmlpp::DomParser ();
+}
+
cxml::Document::~Document ()
{
delete _parser;
}
void
-cxml::Document::read_file (filesystem::path file)
+cxml::Document::read_file (boost::filesystem::path file)
{
- if (!filesystem::exists (file)) {
- throw cxml::Error ("XML file does not exist");
+ if (!boost::filesystem::exists (file)) {
+ throw cxml::Error ("XML file " + file.string() + " does not exist");
}
-
+
_parser->parse_file (file.string ());
take_root_node ();
}
void
-cxml::Document::read_stream (istream& stream)
+cxml::Document::read_string (string s)
{
- _parser->parse_stream (stream);
+ _parser->parse_memory (s);
take_root_node ();
}
}
_node = _parser->get_document()->get_root_node ();
- if (_node->get_name() != _root_name) {
- throw cxml::Error ("unrecognised root node");
+ if (!_root_name.empty() && _node->get_name() != Glib::ustring(_root_name)) {
+ throw cxml::Error ("unrecognised root node " + _node->get_name() + " (expecting " + _root_name + ")");
+ } else if (_root_name.empty ()) {
+ _root_name = _node->get_name ();
}
}
+static
+string
+make_local (string v)
+{
+ auto lc = localeconv ();
+ boost::algorithm::replace_all (v, ".", lc->decimal_point);
+ /* We hope it's ok not to add in thousands separators here */
+ return v;
+}
+
+template <typename P, typename Q>
+P
+locale_convert (Q x)
+{
+ /* We can't write a generic version of locale_convert; all required
+ versions must be specialised.
+ */
+ BOOST_STATIC_ASSERT (sizeof(Q) == 0);
+}
+
+template<>
+int
+locale_convert (string x)
+{
+ int y = 0;
+ sscanf (x.c_str(), "%d", &y);
+ return y;
+}
+
+template<>
+unsigned int
+locale_convert (string x)
+{
+ unsigned int y = 0;
+ sscanf (x.c_str(), "%u", &y);
+ return y;
+}
+
+template<>
+long int
+locale_convert (string x)
+{
+ long int y = 0;
+ sscanf (x.c_str(), "%ld", &y);
+ return y;
+}
+
+template<>
+long unsigned int
+locale_convert (string x)
+{
+ long unsigned int y = 0;
+#ifdef LIBCXML_WINDOWS
+ __mingw_sscanf (x.c_str(), "%lud", &y);
+#else
+ sscanf (x.c_str(), "%lud", &y);
+#endif
+ return y;
+}
+
+template<>
+long long
+locale_convert (string x)
+{
+ long long y = 0;
+#ifdef LIBCXML_WINDOWS
+ __mingw_sscanf (x.c_str(), "%lld", &y);
+#else
+ sscanf (x.c_str(), "%lld", &y);
+#endif
+ return y;
+}
+
+template<>
+long long unsigned
+locale_convert (string x)
+{
+ long long unsigned y = 0;
+#ifdef LIBCXML_WINDOWS
+ __mingw_sscanf (x.c_str(), "%llud", &y);
+#else
+ sscanf (x.c_str(), "%llud", &y);
+#endif
+ return y;
+}
+
+template<>
+float
+locale_convert (string x)
+{
+ float y = 0;
+ sscanf (x.c_str(), "%f", &y);
+ return y;
+}
+
+template <>
+double
+locale_convert (string x)
+{
+ double y = 0;
+ sscanf (x.c_str(), "%lf", &y);
+ return y;
+}
+
+template <>
+int
+cxml::raw_convert (string v)
+{
+ return locale_convert<int> (make_local(v));
+}
+
+template <>
+unsigned int
+cxml::raw_convert (string v)
+{
+ return locale_convert<unsigned int> (make_local(v));
+}
+
+template <>
+long int
+cxml::raw_convert (string v)
+{
+ return locale_convert<long int> (make_local(v));
+}
+
+template <>
+long unsigned int
+cxml::raw_convert (string v)
+{
+ return locale_convert<long unsigned int> (make_local(v));
+}
+
+template <>
+long long
+cxml::raw_convert (string v)
+{
+ return locale_convert<long long> (make_local(v));
+}
+
+template <>
+long long unsigned
+cxml::raw_convert (string v)
+{
+ return locale_convert<long long unsigned> (make_local(v));
+}
+
+template <>
+float
+cxml::raw_convert (string v)
+{
+ return locale_convert<float> (make_local(v));
+}
+
+template <>
+double
+cxml::raw_convert (string v)
+{
+ return locale_convert<double> (make_local(v));
+}
+
+
+xmlpp::Element*
+cxml::add_child(xmlpp::Element* parent, string const& name, string const& ns_prefix)
+{
+#if LIBXMLXX_MAJOR_VERSION == 2
+ return parent->add_child(name, ns_prefix);
+#else
+ return parent->add_child_element(name, ns_prefix);
+#endif
+}
+
+
+void
+cxml::add_text_child(xmlpp::Element* parent, string const& name, string const& text)
+{
+ add_child(parent, name)->add_child_text(text);
+}