472 lines
13 KiB
C++
472 lines
13 KiB
C++
/*
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* This file is a part of PikoTools
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* and is distributed under the (new) BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2012-2013, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name Tomasz Sowa nor the names of contributors to this
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* project may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef headerfile_picotools_textstream_textstream
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#define headerfile_picotools_textstream_textstream
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#include <string>
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#include "space/space.h"
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#include "date/date.h"
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#include "convert/convert.h"
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#include "membuffer/membuffer.h"
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#include "types.h"
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// for snprintf
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#include <cstdio>
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namespace PT
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{
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/*
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a special class representing a stream buffer
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similar to std::ostringstream
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StringType can be either std::string or std::wstring
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this class doesn't use UTF-8 in any kind
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*/
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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class TextStreamBase
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{
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public:
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TextStreamBase();
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typedef MemBuffer<char_type, stack_size, heap_block_size> buffer_type;
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typedef typename buffer_type::iterator iterator;
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typedef typename buffer_type::const_iterator const_iterator;
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void clear();
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bool empty() const;
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size_t size() const;
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void reserve(size_t len);
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size_t capacity() const;
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iterator begin();
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iterator end();
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const_iterator begin() const;
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const_iterator end() const;
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void to_string(std::string & str, bool clear_string = true) const;
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void to_string(std::wstring & str, bool clear_string = true) const;
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char_type & operator[](size_t index);
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char_type operator[](size_t index) const;
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TextStreamBase & operator<<(const char * str);
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TextStreamBase & operator<<(const std::string & str);
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TextStreamBase & operator<<(const wchar_t * str);
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TextStreamBase & operator<<(const std::wstring * str);
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TextStreamBase & operator<<(const std::wstring & str);
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TextStreamBase & operator<<(char);
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TextStreamBase & operator<<(wchar_t);
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TextStreamBase & operator<<(int);
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TextStreamBase & operator<<(long);
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TextStreamBase & operator<<(unsigned int);
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TextStreamBase & operator<<(unsigned long);
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TextStreamBase & operator<<(double);
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TextStreamBase & operator<<(const void *); // printing a pointer
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TextStreamBase & operator<<(const PT::Space & space);
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TextStreamBase & operator<<(const PT::Date & date);
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template<typename arg_char_type, size_t arg_stack_size, size_t arg_heap_block_size>
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TextStreamBase & operator<<(const TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size> & arg);
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template<typename in_buffer_type>
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TextStreamBase & write(const in_buffer_type * buf, size_t len);
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// write double value in a specified format
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// format is the same as in the snprintf function, e.g. write("%f", 10.0)
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TextStreamBase & write(const char * format, double val);
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TextStreamBase & write(const wchar_t * format, double val);
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/*
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raw access
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*/
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int radix;
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buffer_type buffer;
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};
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size>::TextStreamBase()
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{
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radix = 10;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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void TextStreamBase<char_type, stack_size, heap_block_size>::clear()
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{
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buffer.clear();
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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bool TextStreamBase<char_type, stack_size, heap_block_size>::empty() const
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{
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return buffer.empty();
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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size_t TextStreamBase<char_type, stack_size, heap_block_size>::size() const
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{
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return buffer.size();
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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void TextStreamBase<char_type, stack_size, heap_block_size>::reserve(size_t len)
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{
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buffer.reserve(len);
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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size_t TextStreamBase<char_type, stack_size, heap_block_size>::capacity() const
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{
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return buffer.capacity();
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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typename TextStreamBase<char_type, stack_size, heap_block_size>::iterator
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TextStreamBase<char_type, stack_size, heap_block_size>::begin()
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{
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return buffer.begin();
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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typename TextStreamBase<char_type, stack_size, heap_block_size>::iterator
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TextStreamBase<char_type, stack_size, heap_block_size>::end()
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{
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return buffer.end();
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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typename TextStreamBase<char_type, stack_size, heap_block_size>::const_iterator
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TextStreamBase<char_type, stack_size, heap_block_size>::begin() const
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{
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return buffer.begin();
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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typename TextStreamBase<char_type, stack_size, heap_block_size>::const_iterator
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TextStreamBase<char_type, stack_size, heap_block_size>::end() const
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{
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return buffer.end();
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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void TextStreamBase<char_type, stack_size, heap_block_size>::to_string(std::string & str, bool clear_string) const
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{
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if( clear_string )
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str.clear();
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if( str.capacity() < str.size() + size() )
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str.reserve(str.size() + size());
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const_iterator i = begin();
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for( ; i != end() ; ++i)
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str += static_cast<char>(*i);
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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void TextStreamBase<char_type, stack_size, heap_block_size>::to_string(std::wstring & str, bool clear_string) const
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{
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if( clear_string )
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str.clear();
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if( str.capacity() < str.size() + size() )
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str.reserve(str.size() + size());
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const_iterator i = begin();
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for( ; i != end() ; ++i)
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str += static_cast<wchar_t>(*i);
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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char_type & TextStreamBase<char_type, stack_size, heap_block_size>::operator[](size_t index)
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{
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return buffer[index];
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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char_type TextStreamBase<char_type, stack_size, heap_block_size>::operator[](size_t index) const
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{
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return buffer[index];
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(const char * str)
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{
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for( ; *str ; ++str)
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buffer.append(static_cast<char_type>(*str));
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return *this;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(const std::string & str)
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{
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if( sizeof(char_type) == sizeof(char) )
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buffer.append(str.c_str(), str.size());
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else
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operator<<(str.c_str());
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return *this;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(const wchar_t * str)
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{
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for( ; *str ; ++str)
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buffer.append(static_cast<char_type>(*str));
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return *this;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(const std::wstring & str)
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{
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if( sizeof(char_type) == sizeof(wchar_t) )
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buffer.append(str.c_str(), str.size());
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else
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operator<<(str.c_str());
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return *this;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(char v)
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{
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buffer.append(static_cast<char_type>(v));
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return *this;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(wchar_t v)
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{
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buffer.append(static_cast<char_type>(v));
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return *this;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(int v)
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{
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return operator<<(static_cast<long>(v));
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(long v)
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{
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char_type buf[50];
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size_t len = sizeof(buf) / sizeof(char_type);
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size_t lenout;
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if( Toa(v, buf, len, radix, &lenout) )
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buffer.append(buf, lenout);
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return *this;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(unsigned int v)
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{
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return operator<<(static_cast<unsigned long>(v));
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(unsigned long v)
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{
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char_type buf[50];
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size_t len = sizeof(buf) / sizeof(char_type);
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size_t lenout;
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if( Toa(v, buf, len, radix, &lenout) )
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buffer.append(buf, lenout);
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return *this;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(double v)
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{
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char buf[100];
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snprintf(buf, sizeof(buf)/sizeof(char), "%f", v);
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return operator<<(buf);
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(const void * v)
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{
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char_type buf[50];
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size_t len = sizeof(buf) / sizeof(char_type);
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size_t lenout;
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buf[0] = '0';
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buf[1] = 'x';
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if( Toa(reinterpret_cast<unsigned long>(v), buf+2, len-2, 16, &lenout) )
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buffer.append(buf, lenout+2);
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return *this;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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template<typename in_buffer_type>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::write(const in_buffer_type * buf, size_t len)
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{
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buffer.append(buf, len);
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return *this;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::write(const char * format, double val)
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{
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char buf[100];
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snprintf(buf, sizeof(buf)/sizeof(char), format, val);
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return operator<<(buf);
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::write(const wchar_t * format, double val)
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{
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wchar_t buf[100];
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swprintf(buf, sizeof(buf)/sizeof(wchar_t), format, val);
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return operator<<(buf);
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(const PT::Space & space)
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{
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space.Serialize(*this, true, false);
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return *this;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(const PT::Date & date)
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{
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date.Serialize(*this);
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return *this;
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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template<typename arg_char_type, size_t arg_stack_size, size_t arg_heap_block_size>
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TextStreamBase<char_type, stack_size, heap_block_size> &
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TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(
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const TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size> & arg)
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{
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buffer.append(arg.buffer);
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return *this;
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}
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} // namespace
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#endif
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