170 lines
4.0 KiB
C
170 lines
4.0 KiB
C
|
/*
|
||
|
* This file is a part of PikoTools
|
||
|
* and is distributed under the (new) BSD licence.
|
||
|
* Author: Tomasz Sowa <t.sowa@ttmath.org>
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
* Copyright (c) 2018, 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_picotools_convert_patternreplacer
|
||
|
#define headerfile_picotools_convert_patternreplacer
|
||
|
|
||
|
#include <string>
|
||
|
#include "textstream/textstream.h"
|
||
|
#include "strtoint.h"
|
||
|
|
||
|
|
||
|
|
||
|
namespace PT
|
||
|
{
|
||
|
|
||
|
template<typename CharType, typename StrType>
|
||
|
class PatternReplacerBase
|
||
|
{
|
||
|
public:
|
||
|
|
||
|
/*
|
||
|
* output_string can be the same string as input pattern
|
||
|
*/
|
||
|
template<typename ... Types>
|
||
|
void ReplaceToString(const StrType & pattern, StrType & output_string, Types ... types)
|
||
|
{
|
||
|
ReplaceGeneric(pattern, output_string, types...);
|
||
|
}
|
||
|
|
||
|
|
||
|
template<typename ... Types>
|
||
|
StrType Replace(const StrType & pattern, Types ... types)
|
||
|
{
|
||
|
StrType output_string;
|
||
|
ReplaceGeneric(pattern, output_string, types...);
|
||
|
|
||
|
return output_string;
|
||
|
}
|
||
|
|
||
|
|
||
|
private:
|
||
|
|
||
|
std::vector<StrType> params;
|
||
|
TextStreamBase<CharType, 256, 4096> buffer;
|
||
|
StrType temp_str;
|
||
|
|
||
|
|
||
|
|
||
|
template<typename ... Types>
|
||
|
void ReplaceGeneric(const StrType & pattern, StrType & output_string, Types ... types)
|
||
|
{
|
||
|
params.clear();
|
||
|
AddParams(types...);
|
||
|
ReplacePattern(pattern);
|
||
|
buffer.to_string(output_string);
|
||
|
|
||
|
params.clear();
|
||
|
buffer.clear();
|
||
|
temp_str.clear();
|
||
|
}
|
||
|
|
||
|
|
||
|
void AddParams()
|
||
|
{
|
||
|
}
|
||
|
|
||
|
|
||
|
template<typename Type, typename ... Types>
|
||
|
void AddParams(const Type & type, Types ... types)
|
||
|
{
|
||
|
buffer.clear();
|
||
|
buffer << type;
|
||
|
buffer.to_string(temp_str);
|
||
|
params.push_back(temp_str);
|
||
|
temp_str.clear();
|
||
|
|
||
|
AddParams(types...);
|
||
|
}
|
||
|
|
||
|
|
||
|
void ReplacePattern(const StrType & pattern)
|
||
|
{
|
||
|
buffer.clear();
|
||
|
|
||
|
for(size_t i=0 ; i<pattern.size() ; )
|
||
|
{
|
||
|
bool pattern_changed = false;
|
||
|
|
||
|
if( pattern[i] == '%' )
|
||
|
{
|
||
|
if( i + 1 < pattern.size() )
|
||
|
{
|
||
|
if( pattern[i+1] == '%' )
|
||
|
{
|
||
|
buffer << '%';
|
||
|
i += 2;
|
||
|
pattern_changed = true;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
const CharType * index_start_str = &pattern[i+1];
|
||
|
const CharType * after_str;
|
||
|
bool was_overflow;
|
||
|
unsigned long index = Toul(index_start_str, 10, &after_str, &was_overflow, false);
|
||
|
|
||
|
if( !was_overflow && after_str > index_start_str && (size_t)index < params.size() )
|
||
|
{
|
||
|
i = i + 1 + (after_str - index_start_str);
|
||
|
buffer << params[index];
|
||
|
pattern_changed = true;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if( !pattern_changed )
|
||
|
{
|
||
|
buffer << pattern[i];
|
||
|
i += 1;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
};
|
||
|
|
||
|
|
||
|
typedef PatternReplacerBase<char, std::string> PatternReplacer;
|
||
|
typedef PatternReplacerBase<wchar_t, std::wstring> WPatternReplacer;
|
||
|
|
||
|
|
||
|
}
|
||
|
|
||
|
|
||
|
#endif
|