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// K-3D
// Copyright (c) 1995-2004, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// This program 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.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/** \file
\brief An object that converts a scalar to a string using strftime()
\author Timothy M. Shead (tshead@k-3d.com)
*/
#include <k3dsdk/object.h>
#include <k3dsdk/computed_property.h>
#include <k3dsdk/persistence.h>
#include <k3dsdk/module.h>
#include <boost/format.hpp>
#include <time.h>
namespace libk3dcore
{
class format_time_implementation :
public k3d::persistent<k3d::object>
{
typedef k3d::persistent<k3d::object> base;
public:
format_time_implementation(k3d::idocument& Document) :
base(Document),
m_input(k3d::init_name("input") + k3d::init_description("Input [double]") + k3d::init_value(0.0) + k3d::init_document(Document)),
m_format(k3d::init_name("format") + k3d::init_description("Format [string]") + k3d::init_value(std::string("%H:%M:%S")) + k3d::init_document(Document)),
m_output("output", "Output [string]", k3d::method_call(*this, &format_time_implementation::get_value))
{
register_property(m_input);
register_property(m_format);
register_property(m_output);
enable_serialization(k3d::persistence::proxy(m_input));
enable_serialization(k3d::persistence::proxy(m_format));
m_input.changed_signal().connect(m_output.changed_signal().slot());
m_format.changed_signal().connect(m_output.changed_signal().slot());
}
std::string get_value()
{
const time_t time = static_cast<time_t>(m_input.property_value());
tm time_value;
#if defined K3D_PLATFORM_WIN32_NATIVE
time_value = *gmtime(&time);
#else
gmtime_r(&time, &time_value);
#endif
std::string buffer(128, '\0');
while(buffer.size() < 2048)
{
const int buffer_size = strftime(const_cast<char*>(buffer.data()), buffer.size()-1, m_format.property_value().c_str(), &time_value);
if(buffer_size)
{
buffer.resize(buffer_size);
return buffer;
}
buffer.resize(buffer.size() * 2);
}
std::cerr << __PRETTY_FUNCTION__ << ": buffer overrun" << std::endl;
return std::string();
}
static k3d::iplugin_factory& get_factory()
{
static k3d::plugin_factory<k3d::document_plugin<format_time_implementation> > factory(
k3d::uuid(0x40d699fb, 0xeb12444f, 0xa84df477, 0x5cca00f9),
"FormatTime",
"Converts a scalar to a string using strftime()-style formatting",
"Objects",
k3d::iplugin_factory::STABLE);
return factory;
}
k3d::iplugin_factory& factory()
{
return get_factory();
}
private:
k3d_data_property(double, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::no_constraint) m_input;
k3d_data_property(std::string, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::no_constraint) m_format;
k3d::computed_property<std::string, k3d::method_call_t<format_time_implementation, std::string> > m_output;
};
k3d::iplugin_factory& format_time_factory()
{
return format_time_implementation::get_factory();
}
} //namespace libk3dcore
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