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author | Yann Herklotz <ymherklotz@gmail.com> | 2017-09-05 19:41:45 +0100 |
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committer | Yann Herklotz <ymherklotz@gmail.com> | 2017-09-05 19:41:45 +0100 |
commit | 268cac0f0f5812149a4b4a0d894a100d711a493c (patch) | |
tree | cc6df6a0de2217ba177a735cb8fa116bfcdb5237 /lib/rapidxml/rapidxml_utils.hpp | |
parent | 81b2d1591d348ee7972d174a2ba2dee8dc7cea96 (diff) | |
download | YAGE-268cac0f0f5812149a4b4a0d894a100d711a493c.tar.gz YAGE-268cac0f0f5812149a4b4a0d894a100d711a493c.zip |
Travis CI testing
Diffstat (limited to 'lib/rapidxml/rapidxml_utils.hpp')
-rw-r--r-- | lib/rapidxml/rapidxml_utils.hpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/lib/rapidxml/rapidxml_utils.hpp b/lib/rapidxml/rapidxml_utils.hpp new file mode 100644 index 00000000..5eafa35d --- /dev/null +++ b/lib/rapidxml/rapidxml_utils.hpp @@ -0,0 +1,122 @@ +#ifndef RAPIDXML_UTILS_HPP_INCLUDED
+#define RAPIDXML_UTILS_HPP_INCLUDED
+
+// Copyright (C) 2006, 2009 Marcin Kalicinski
+// Version 1.13
+// Revision $DateTime: 2009/05/13 01:46:17 $
+//! \file rapidxml_utils.hpp This file contains high-level rapidxml utilities that can be useful
+//! in certain simple scenarios. They should probably not be used if maximizing performance is the main objective.
+
+#include "rapidxml.hpp"
+#include <vector>
+#include <string>
+#include <fstream>
+#include <stdexcept>
+
+namespace rapidxml
+{
+
+ //! Represents data loaded from a file
+ template<class Ch = char>
+ class file
+ {
+
+ public:
+
+ //! Loads file into the memory. Data will be automatically destroyed by the destructor.
+ //! \param filename Filename to load.
+ file(const char *filename)
+ {
+ using namespace std;
+
+ // Open stream
+ basic_ifstream<Ch> stream(filename, ios::binary);
+ if (!stream)
+ throw runtime_error(string("cannot open file ") + filename);
+ stream.unsetf(ios::skipws);
+
+ // Determine stream size
+ stream.seekg(0, ios::end);
+ size_t size = stream.tellg();
+ stream.seekg(0);
+
+ // Load data and add terminating 0
+ m_data.resize(size + 1);
+ stream.read(&m_data.front(), static_cast<streamsize>(size));
+ m_data[size] = 0;
+ }
+
+ //! Loads file into the memory. Data will be automatically destroyed by the destructor
+ //! \param stream Stream to load from
+ file(std::basic_istream<Ch> &stream)
+ {
+ using namespace std;
+
+ // Load data and add terminating 0
+ stream.unsetf(ios::skipws);
+ m_data.assign(istreambuf_iterator<Ch>(stream), istreambuf_iterator<Ch>());
+ if (stream.fail() || stream.bad())
+ throw runtime_error("error reading stream");
+ m_data.push_back(0);
+ }
+
+ //! Gets file data.
+ //! \return Pointer to data of file.
+ Ch *data()
+ {
+ return &m_data.front();
+ }
+
+ //! Gets file data.
+ //! \return Pointer to data of file.
+ const Ch *data() const
+ {
+ return &m_data.front();
+ }
+
+ //! Gets file data size.
+ //! \return Size of file data, in characters.
+ std::size_t size() const
+ {
+ return m_data.size();
+ }
+
+ private:
+
+ std::vector<Ch> m_data; // File data
+
+ };
+
+ //! Counts children of node. Time complexity is O(n).
+ //! \return Number of children of node
+ template<class Ch>
+ inline std::size_t count_children(xml_node<Ch> *node)
+ {
+ xml_node<Ch> *child = node->first_node();
+ std::size_t count = 0;
+ while (child)
+ {
+ ++count;
+ child = child->next_sibling();
+ }
+ return count;
+ }
+
+ //! Counts attributes of node. Time complexity is O(n).
+ //! \return Number of attributes of node
+ template<class Ch>
+ inline std::size_t count_attributes(xml_node<Ch> *node)
+ {
+ xml_attribute<Ch> *attr = node->first_attribute();
+ std::size_t count = 0;
+ while (attr)
+ {
+ ++count;
+ attr = attr->next_attribute();
+ }
+ return count;
+ }
+
+}
+
+#endif
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