835 lines
21 KiB
C++
835 lines
21 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) 2012-2021, 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 "stream.h"
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#include "space/space.h"
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#include "date/date.h"
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#include "convert/inttostr.h"
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#include "membuffer/membuffer.h"
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#include "types.h"
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#include "utf8/utf8.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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*/
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template<typename CharT, size_t stack_size, size_t heap_block_size>
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class TextStreamBase : public Stream
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{
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public:
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TextStreamBase();
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typedef CharT char_type;
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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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bool is_char_stream() const;
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bool is_wchar_stream() const;
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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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// IMPROVE ME
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// add cbegin(), cend(), rbegin(), rend(), crbegin(), crend()
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void to_str(std::string & str, bool clear_string = true) const;
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void to_str(std::wstring & str, bool clear_string = true) const;
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std::string to_str() const;
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std::wstring to_wstr() const;
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char get_char(size_t index) const;
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wchar_t get_wchar(size_t index) 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<<(char);
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TextStreamBase & operator<<(unsigned char);
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TextStreamBase & operator<<(wchar_t);
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TextStreamBase & operator<<(bool);
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TextStreamBase & operator<<(short);
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TextStreamBase & operator<<(int);
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TextStreamBase & operator<<(long);
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TextStreamBase & operator<<(long long);
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TextStreamBase & operator<<(unsigned short);
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TextStreamBase & operator<<(unsigned int);
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TextStreamBase & operator<<(unsigned long);
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TextStreamBase & operator<<(unsigned long long);
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TextStreamBase & operator<<(float);
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TextStreamBase & operator<<(double);
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TextStreamBase & operator<<(long double);
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TextStreamBase & operator<<(const void *); // printing a pointer
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TextStreamBase & operator<<(const Stream & stream);
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TextStreamBase & operator<<(const Space & space);
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TextStreamBase & operator<<(const 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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// min width for integer output
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// if the output value has less digits then first zeroes are added
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// (0 turn off)
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TextStreamBase & int_min_width(size_t min_width);
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TextStreamBase & write(const char * buf, size_t len);
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TextStreamBase & write(const wchar_t * buf, size_t len);
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TextStreamBase & fill_up_if_needed(wchar_t fill_up_char, size_t existing_length);
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/*
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raw access
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*/
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int radix;
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size_t min_width_for_integers;
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buffer_type buffer;
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protected:
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void put_stream(const Stream & stream);
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void put_utf8_to_wide(const Stream & stream);
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void put_wide_to_utf8(const Stream & stream);
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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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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>::is_char_stream() const
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{
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if constexpr (sizeof(char_type) == sizeof(char) )
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{
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return true;
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}
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return false;
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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>::is_wchar_stream() const
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{
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if constexpr (sizeof(char_type) == sizeof(wchar_t) )
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{
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return true;
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}
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return false;
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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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radix = 10;
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min_width_for_integers = 0;
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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_str(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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if constexpr (sizeof(char_type) == sizeof(char) )
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{
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const_iterator i = begin();
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for( ; i != end() ; ++i)
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str += *i;
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}
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else
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{
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wide_stream_to_utf8(*this, str);
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}
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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_str(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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if constexpr (sizeof(char_type) == sizeof(wchar_t) )
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{
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const_iterator i = begin();
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for( ; i != end() ; ++i)
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str += *i;
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}
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else
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{
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// IMPROVE ME don't use a temporary object
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std::string utf8;
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to_str(utf8);
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utf8_to_wide(utf8, str, false);
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}
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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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std::string TextStreamBase<char_type, stack_size, heap_block_size>::to_str() const
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{
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std::string str;
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to_str(str, false);
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return str;
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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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std::wstring TextStreamBase<char_type, stack_size, heap_block_size>::to_wstr() const
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{
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std::wstring str;
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to_str(str, false);
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return str;
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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 TextStreamBase<char_type, stack_size, heap_block_size>::get_char(size_t index) const
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{
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return static_cast<char>(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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wchar_t TextStreamBase<char_type, stack_size, heap_block_size>::get_wchar(size_t index) const
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{
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return static_cast<wchar_t>(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)
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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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if constexpr ( sizeof(char_type) == sizeof(char) )
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{
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for( ; *str ; ++str)
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buffer.append(*str);
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}
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else
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{
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utf8_to_wide(str, *this, false);
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}
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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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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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if constexpr (sizeof(char_type) == sizeof(wchar_t) )
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{
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for( ; *str ; ++str)
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buffer.append(*str);
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}
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else
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{
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wide_to_utf8(str, *this);
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}
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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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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<<(unsigned 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<<(bool v)
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{
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char c = v ? '1' : '0';
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buffer.append(static_cast<char_type>(c));
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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<<(short v)
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{
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return operator<<(static_cast<long 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<<(int v)
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{
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return operator<<(static_cast<long 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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return operator<<(static_cast<long 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 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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{
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fill_up_if_needed('0', lenout);
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buffer.append(buf, lenout);
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}
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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 short v)
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{
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return operator<<(static_cast<unsigned long 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 int v)
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{
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return operator<<(static_cast<unsigned long 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> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(unsigned long v)
|
|
{
|
|
return operator<<(static_cast<unsigned long long>(v));
|
|
}
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(unsigned long long v)
|
|
{
|
|
char_type buf[50];
|
|
size_t len = sizeof(buf) / sizeof(char_type);
|
|
size_t lenout;
|
|
|
|
if( Toa(v, buf, len, radix, &lenout) )
|
|
{
|
|
fill_up_if_needed('0', lenout);
|
|
buffer.append(buf, lenout);
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(float v)
|
|
{
|
|
return operator<<(static_cast<double>(v));
|
|
}
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(double v)
|
|
{
|
|
char buf[100];
|
|
|
|
snprintf(buf, sizeof(buf)/sizeof(char), "%g", v);
|
|
return operator<<(buf);
|
|
}
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(long double v)
|
|
{
|
|
char buf[100];
|
|
|
|
snprintf(buf, sizeof(buf)/sizeof(char), "%Lg", v);
|
|
return operator<<(buf);
|
|
}
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(const void * v)
|
|
{
|
|
char_type buf[50];
|
|
size_t len = sizeof(buf) / sizeof(char_type);
|
|
size_t lenout;
|
|
|
|
buf[0] = '0';
|
|
buf[1] = 'x';
|
|
|
|
// IMPROVE ME add some minimal width?
|
|
if( Toa(reinterpret_cast<unsigned long long>(v), buf+2, len-2, 16, &lenout) )
|
|
buffer.append(buf, lenout+2);
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::write(const char * str, size_t len)
|
|
{
|
|
if constexpr ( sizeof(char_type) == sizeof(char) )
|
|
{
|
|
for(size_t i=0 ; i < len ; ++i)
|
|
buffer.append(str[i]);
|
|
}
|
|
else
|
|
{
|
|
utf8_to_wide(str, *this, false);
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::write(const wchar_t * str, size_t len)
|
|
{
|
|
if constexpr (sizeof(char_type) == sizeof(wchar_t) )
|
|
{
|
|
for(size_t i=0 ; i < len ; ++i)
|
|
buffer.append(str[i]);
|
|
}
|
|
else
|
|
{
|
|
wide_to_utf8(str, *this);
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(const Stream & stream)
|
|
{
|
|
put_stream(stream);
|
|
return *this;
|
|
}
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
void TextStreamBase<char_type, stack_size, heap_block_size>::put_stream(const Stream & stream)
|
|
{
|
|
if( sizeof(char_type) == sizeof(char) && stream.is_char_stream() )
|
|
{
|
|
// from utf8 to utf8
|
|
|
|
for(size_t i=0 ; i < stream.size() ; ++i)
|
|
{
|
|
char c = stream.get_char(i);
|
|
operator<<(c);
|
|
}
|
|
}
|
|
else
|
|
if( sizeof(char_type) == sizeof(wchar_t) && stream.is_char_stream() )
|
|
{
|
|
// from utf8 to wide
|
|
put_utf8_to_wide(stream);
|
|
}
|
|
else
|
|
if( sizeof(char_type) == sizeof(char) && stream.is_wchar_stream() )
|
|
{
|
|
// from wide to utf8
|
|
put_wide_to_utf8(stream);
|
|
}
|
|
else
|
|
if( sizeof(char_type) == sizeof(wchar_t) && stream.is_wchar_stream() )
|
|
{
|
|
// from wide to wide
|
|
|
|
for(size_t i=0 ; i < stream.size() ; ++i)
|
|
{
|
|
wchar_t c = stream.get_wchar(i);
|
|
operator<<(c);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
operator<<("such conversion is not implemented");
|
|
}
|
|
}
|
|
|
|
|
|
// test me when sizeof(wchar_t) is 2
|
|
// or may move me to utf8 functions?
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
void TextStreamBase<char_type, stack_size, heap_block_size>::put_utf8_to_wide(const Stream & stream)
|
|
{
|
|
size_t len;
|
|
bool correct;
|
|
size_t index = 0;
|
|
int z;
|
|
|
|
do
|
|
{
|
|
len = utf8_to_int(stream, index, z, correct);
|
|
|
|
if( len > 0 )
|
|
{
|
|
if( !correct )
|
|
{
|
|
z = 0xFFFD; // U+FFFD "replacement character"
|
|
}
|
|
|
|
int_to_wide(z, *this);
|
|
index += len;
|
|
}
|
|
}
|
|
while( len > 0 );
|
|
}
|
|
|
|
|
|
// test me when sizeof(wchar_t) is 2
|
|
// or may move me to utf8 functions?
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
void TextStreamBase<char_type, stack_size, heap_block_size>::put_wide_to_utf8(const Stream & stream)
|
|
{
|
|
char utf8_buf[10];
|
|
size_t utf8_buf_len = sizeof(utf8_buf) / sizeof(char);
|
|
|
|
for(size_t i=0 ; i < stream.size() ; ++i)
|
|
{
|
|
int c = static_cast<int>(stream.get_wchar(i));
|
|
|
|
if( is_first_surrogate_char(c) && i + 1 < stream.size() )
|
|
{
|
|
wchar_t c1 = static_cast<wchar_t>(c);
|
|
wchar_t c2 = stream.get_wchar(++i);
|
|
surrogate_pair_to_int(c1, c2, c);
|
|
}
|
|
|
|
size_t len = int_to_utf8(c, utf8_buf, utf8_buf_len);
|
|
|
|
for(size_t u=0 ; u < len ; ++u)
|
|
{
|
|
operator<<(utf8_buf[u]);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(const Space & space)
|
|
{
|
|
space.serialize_to_space_stream(*this, true);
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(const Date & date)
|
|
{
|
|
date.Serialize(*this);
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
template<typename arg_char_type, size_t arg_stack_size, size_t arg_heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::operator<<(
|
|
const TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size> & arg)
|
|
{
|
|
/*
|
|
* in the future we can have a faster implementation
|
|
* which uses iterators instead of get_char() and get_wchar() methods
|
|
*
|
|
*/
|
|
put_stream(arg);
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::int_min_width(size_t min_width)
|
|
{
|
|
min_width_for_integers = min_width;
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
template<typename char_type, size_t stack_size, size_t heap_block_size>
|
|
TextStreamBase<char_type, stack_size, heap_block_size> &
|
|
TextStreamBase<char_type, stack_size, heap_block_size>::fill_up_if_needed(wchar_t fill_up_char, size_t existing_length)
|
|
{
|
|
if( min_width_for_integers > 0 && min_width_for_integers > existing_length )
|
|
{
|
|
for(size_t i = existing_length ; i < min_width_for_integers ; ++i)
|
|
{
|
|
buffer.append(fill_up_char);
|
|
}
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
} // namespace
|
|
|
|
|
|
|
|
#endif
|