138 lines
2.8 KiB
C++
138 lines
2.8 KiB
C++
// Copyright (c) 1997 James Clark
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// See the file COPYING for copying permission.
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#ifndef OutputByteStream_INCLUDED
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#define OutputByteStream_INCLUDED 1
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#include "Link.h"
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#include "StringOf.h"
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#include "Boolean.h"
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#ifdef SP_NAMESPACE
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namespace SP_NAMESPACE {
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#endif
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class SP_API OutputByteStream : public Link {
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public:
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OutputByteStream();
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virtual ~OutputByteStream();
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virtual void flush() = 0;
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void sputc(char c);
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void sputn(const char *, size_t);
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OutputByteStream &operator<<(char);
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OutputByteStream &operator<<(unsigned char);
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OutputByteStream &operator<<(const char *);
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OutputByteStream &operator<<(int);
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OutputByteStream &operator<<(unsigned);
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OutputByteStream &operator<<(long);
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OutputByteStream &operator<<(unsigned long);
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OutputByteStream &operator<<(const String<char> &);
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char *getBufferPtr() const;
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size_t getBufferSize() const;
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void usedBuffer(size_t);
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virtual void flushBuf(char) = 0;
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protected:
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char *ptr_;
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char *end_;
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};
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inline
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char *OutputByteStream::getBufferPtr() const
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{
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return ptr_;
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}
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inline
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size_t OutputByteStream::getBufferSize() const
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{
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return end_ - ptr_;
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}
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inline
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void OutputByteStream::usedBuffer(size_t n)
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{
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ptr_ += n;
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}
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inline
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void OutputByteStream::sputc(char c)
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{
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if (ptr_ < end_)
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*ptr_++ = c;
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else
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flushBuf(c);
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}
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inline
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OutputByteStream &OutputByteStream::operator<<(char c)
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{
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sputc(c);
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return *this;
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}
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inline
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OutputByteStream &OutputByteStream::operator<<(unsigned char c)
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{
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sputc(char(c));
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return *this;
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}
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inline
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OutputByteStream &OutputByteStream::operator<<(int n)
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{
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return *this << long(n);
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}
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inline
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OutputByteStream &OutputByteStream::operator<<(unsigned n)
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{
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return *this << (unsigned long)n;
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}
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inline
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OutputByteStream &OutputByteStream::operator<<(const String<char> &s)
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{
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sputn(s.data(), s.size());
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return *this;
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}
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class SP_API StrOutputByteStream : public OutputByteStream {
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public:
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StrOutputByteStream();
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virtual ~StrOutputByteStream() { /* no-op */ };
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void extractString(String<char> &);
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protected:
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StrOutputByteStream(const StrOutputByteStream &); // undefined
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void operator=(const StrOutputByteStream &); // undefined
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void flush();
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void flushBuf(char);
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String<char> buf_;
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};
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class SP_API FileOutputByteStream : public OutputByteStream {
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public:
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FileOutputByteStream();
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FileOutputByteStream(int fd, Boolean closeFd = 1);
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virtual ~FileOutputByteStream();
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#ifdef SP_WIDE_SYSTEM
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Boolean open(const wchar_t *);
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#else
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Boolean open(const char *);
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#endif
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Boolean attach(int fd, Boolean closeFd = 1);
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Boolean close();
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private:
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FileOutputByteStream(const FileOutputByteStream &); // undefined
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void operator=(const FileOutputByteStream &); // undefined
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void flush();
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void flushBuf(char);
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String<char> buf_;
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int fd_;
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Boolean closeFd_;
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};
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#ifdef SP_NAMESPACE
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}
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#endif
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#endif /* not OutputByteStream_INCLUDED */
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