A template engine for C++ applications.
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/*
* This file is a part of EZC -- Easy templating in C++
* and is distributed under the (new) BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2007-2011, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name Tomasz Sowa nor the names of contributors to this
* project may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef headerfile_ezc_functions
#define headerfile_ezc_functions
#include <map>
#include "funinfo.h"
#include "stringconv.h"
namespace Ezc
{
// functions or variables
template<class StreamType>
class Functions
{
public:
typedef void (*UserFunction)(FunInfo<StreamType> &);
enum Type { function, variable };
struct Function
{
Function();
Type type;
UserFunction user_function; // used when type is 'function'
std::wstring variable; // used when type is 'variable'
};
void Insert(const char * key, UserFunction ufunction); // inserting a function
void Insert(const char * key, const char * var); // inserting a variable
void Insert(const char * key, const std::string & var); // inserting a variable
void Insert(const std::string & key, UserFunction ufunction); // inserting a function
void Insert(const std::string & key, const char * var); // inserting a variable
void Insert(const std::string & key, const std::string & var); // inserting a variable
void Insert(const std::wstring & key, UserFunction ufunction);
void Insert(const std::wstring & key, const wchar_t * var);
void Insert(const std::wstring & key, const std::wstring & var);
bool Find(const std::string & key, Function ** fun);
bool Find(const std::wstring & key, Function ** fun);
void Clear();
size_t Size() const;
private:
typedef std::map<std::wstring, Function> FunctionsTable;
FunctionsTable functions_tab;
std::wstring temp_key;
};
template<class StreamType>
Functions<StreamType>::Function::Function()
{
type = Functions::variable;
user_function = 0;
}
template<class StreamType>
void Functions<StreamType>::Insert(const char * key, UserFunction ufunction)
{
Function f;
f.type = function;
f.user_function = ufunction;
AssignString(key, temp_key);
functions_tab[temp_key] = f;
}
template<class StreamType>
void Functions<StreamType>::Insert(const char * key, const char * var)
{
Function f;
f.type = variable;
AssignString(var, f.variable);
AssignString(key, temp_key);
functions_tab[temp_key] = f;
}
template<class StreamType>
void Functions<StreamType>::Insert(const char * key, const std::string & var)
{
Function f;
f.type = variable;
AssignString(var, f.variable);
AssignString(key, temp_key);
functions_tab[temp_key] = f;
}
template<class StreamType>
void Functions<StreamType>::Insert(const std::string & key, UserFunction ufunction)
{
Insert(key.c_str(), ufunction);
}
template<class StreamType>
void Functions<StreamType>::Insert(const std::string & key, const char * var)
{
Insert(key.c_str(), var);
}
template<class StreamType>
void Functions<StreamType>::Insert(const std::string & key, const std::string & var)
{
Insert(key.c_str(), var);
}
template<class StreamType>
void Functions<StreamType>::Insert(const std::wstring & key, UserFunction ufunction)
{
Function f;
f.type = function;
f.user_function = ufunction;
functions_tab[key] = f;
}
template<class StreamType>
void Functions<StreamType>::Insert(const std::wstring & key, const wchar_t * var)
{
Function f;
f.type = variable;
f.variable = var;
functions_tab[key] = f;
}
template<class StreamType>
void Functions<StreamType>::Insert(const std::wstring & key, const std::wstring & var)
{
Function f;
f.type = variable;
f.variable = var;
functions_tab[key] = f;
}
template<class StreamType>
bool Functions<StreamType>::Find(const std::string & key, Function ** fun)
{
AssignString(key, temp_key);
return Find(temp_key, fun);
}
template<class StreamType>
bool Functions<StreamType>::Find(const std::wstring & key, Function ** fun)
{
typename FunctionsTable::iterator i = functions_tab.find( key );
if( i == functions_tab.end() )
return false;
*fun = &(i->second);
return true;
}
template<class StreamType>
void Functions<StreamType>::Clear()
{
functions_tab.clear();
}
template<class StreamType>
size_t Functions<StreamType>::Size() const
{
return functions_tab.size();
}
} // namespace Ezc
#endif