306 lines
5.7 KiB
C++
Executable File
306 lines
5.7 KiB
C++
Executable File
/*
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* This file is a part of Winix
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* and is not publicly distributed
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*
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* Copyright (c) 2010, Tomasz Sowa
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* All rights reserved.
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*
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*/
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#ifndef headerfile_winix_core_textstream
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#define headerfile_winix_core_textstream
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#include <string>
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#include "misc.h"
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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<class StringType>
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class TextStream
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{
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public:
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typedef typename StringType::value_type CharType;
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typedef typename StringType::value_type char_type;
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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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const StringType & Str() const;
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const CharType * CStr() const;
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CharType operator[](size_t index);
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TextStream & operator<<(const char * str);
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TextStream & operator<<(const std::string * str);
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TextStream & operator<<(const std::string & str);
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TextStream & operator<<(const wchar_t * str);
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TextStream & operator<<(const std::wstring * str);
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TextStream & operator<<(const std::wstring & str);
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TextStream & operator<<(char);
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TextStream & operator<<(wchar_t);
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TextStream & operator<<(int);
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TextStream & operator<<(long);
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TextStream & operator<<(unsigned int);
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TextStream & operator<<(unsigned long);
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TextStream & operator<<(double);
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TextStream & operator<<(const void *);// printing a pointer
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TextStream & Write(const char * buf, size_t len);
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TextStream & Write(const wchar_t * buf, size_t len);
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TextStream & write(const char * buf, size_t len); // for compatibility with standard library (Ezc uses it)
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TextStream & write(const wchar_t * buf, size_t len);
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protected:
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StringType buffer;
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};
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template<class StringType>
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void TextStream<StringType>::Clear()
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{
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buffer.clear();
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}
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template<class StringType>
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bool TextStream<StringType>::Empty() const
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{
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return buffer.empty();
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}
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template<class StringType>
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size_t TextStream<StringType>::Size() const
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{
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return buffer.size();
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}
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template<class StringType>
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void TextStream<StringType>::Reserve(size_t len)
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{
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buffer.reserve(len);
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}
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template<class StringType>
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const StringType & TextStream<StringType>::Str() const
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{
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return buffer;
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}
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template<class StringType>
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const typename TextStream<StringType>::CharType * TextStream<StringType>::CStr() const
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{
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return buffer.c_str();
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}
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template<class StringType>
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typename TextStream<StringType>::CharType TextStream<StringType>::operator[](size_t index)
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{
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return buffer[index];
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(const char * str)
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{
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AssignString(str, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(const std::string * str)
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{
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AssignString(*str, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(const std::string & str)
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{
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AssignString(str, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(const wchar_t * str)
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{
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AssignString(str, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(const std::wstring * str)
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{
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AssignString(*str, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(const std::wstring & str)
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{
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AssignString(str, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(char v)
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{
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buffer += v;
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(wchar_t v)
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{
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buffer += static_cast<CharType>(v);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(int v)
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{
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wchar_t buf[50];
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size_t len = sizeof(buf) / sizeof(wchar_t);
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Toa(v, buf, len);
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AssignString(buf, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(long v)
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{
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wchar_t buf[50];
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size_t len = sizeof(buf) / sizeof(wchar_t);
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Toa(v, buf, len);
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AssignString(buf, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(unsigned int v)
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{
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wchar_t buf[50];
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size_t len = sizeof(buf) / sizeof(wchar_t);
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Toa(v, buf, len);
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AssignString(buf, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(unsigned long v)
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{
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wchar_t buf[50];
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size_t len = sizeof(buf) / sizeof(wchar_t);
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Toa(v, buf, len);
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AssignString(buf, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(double v)
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{
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char buf[50];
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sprintf(buf, "%f", v);
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AssignString(buf, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::operator<<(const void * v)
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{
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wchar_t buf[50];
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size_t len = sizeof(buf) / sizeof(wchar_t);
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buf[0] = '0';
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buf[1] = 'x';
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Toa(reinterpret_cast<unsigned long>(v), buf+2, len-2, 16);
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AssignString(buf, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::Write(const char * buf, size_t len)
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{
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AssignString(buf, len, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::write(const char * buf, size_t len)
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{
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return Write(buf, len);
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::Write(const wchar_t * buf, size_t len)
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{
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AssignString(buf, len, buffer, false);
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return *this;
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}
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template<class StringType>
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TextStream<StringType> & TextStream<StringType>::write(const wchar_t * buf, size_t len)
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{
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return Write(buf, len);
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}
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#endif
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