150 lines
4.5 KiB
C++
150 lines
4.5 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) 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_stream
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#define headerfile_picotools_textstream_stream
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#include <string>
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#ifdef PT_HAS_MORM_LIBRARY
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namespace morm
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{
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class Model;
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}
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#endif
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namespace pt
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{
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class Space;
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class Date;
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class Stream
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{
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public:
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virtual ~Stream() {};
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virtual bool is_char_stream() const = 0;
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virtual bool is_wchar_stream() const = 0;
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virtual void clear() = 0;
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virtual bool empty() const = 0;
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virtual size_t size() const = 0;
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virtual void reserve(size_t len) = 0;
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virtual size_t capacity() const = 0;
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virtual void to_str(std::string & str, bool clear_string = true) const = 0;
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virtual void to_str(std::wstring & str, bool clear_string = true) const = 0;
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virtual std::string to_str() const = 0;
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virtual std::wstring to_wstr() const = 0;
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virtual char get_char(size_t index) const = 0;
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virtual wchar_t get_wchar(size_t index) const = 0;
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virtual Stream & operator<<(const char * str) = 0;
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virtual Stream & operator<<(const std::string & str) = 0;
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virtual Stream & operator<<(const wchar_t * str) = 0;
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virtual Stream & operator<<(const std::wstring & str) = 0;
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/*
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* IMPROVEME
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* https://en.cppreference.com/w/cpp/string
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* add support for:
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* char8_t
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* char16_t
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* char32_t
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* const char8_t *
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* const char16_t *
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* const char32_t *
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* std::u8string
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* std::u16string
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* std::u32string
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* std::string_view
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* std::wstring_view
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* std::u8string_view
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* std::u16string_view
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* std::u32string_view
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*
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*/
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virtual Stream & operator<<(char) = 0;
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virtual Stream & operator<<(unsigned char) = 0;
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virtual Stream & operator<<(wchar_t) = 0;
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virtual Stream & operator<<(bool) = 0;
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virtual Stream & operator<<(short) = 0;
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virtual Stream & operator<<(int) = 0;
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virtual Stream & operator<<(long) = 0;
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virtual Stream & operator<<(long long) = 0;
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virtual Stream & operator<<(unsigned short) = 0;
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virtual Stream & operator<<(unsigned int) = 0;
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virtual Stream & operator<<(unsigned long) = 0;
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virtual Stream & operator<<(unsigned long long) = 0;
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virtual Stream & operator<<(float) = 0;
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virtual Stream & operator<<(double) = 0;
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virtual Stream & operator<<(long double) = 0;
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virtual Stream & operator<<(const void *) = 0; // printing a pointer
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virtual Stream & operator<<(const Stream & stream) = 0;
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virtual Stream & operator<<(const Space & space) = 0;
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virtual Stream & operator<<(const Date & date) = 0;
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#ifdef PT_HAS_MORM_LIBRARY
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/*
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* this Stream base class can be used by other consumers so creating this operator
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* as a pure virtual would be inconvinient for them if they do not use morm library
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*/
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virtual Stream & operator<<(morm::Model & model) { operator<<("serializing morm::Model objects not available"); return *this; };
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#endif
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virtual Stream & write(const char * buf, size_t len) = 0;
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virtual Stream & write(const wchar_t * buf, size_t len) = 0;
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};
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}
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#endif
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