139 lines
3.4 KiB
C
139 lines
3.4 KiB
C
|
// Copyright (c) 1994 James Clark
|
||
|
// See the file COPYING for copying permission.
|
||
|
|
||
|
#ifndef OutputCharStream_INCLUDED
|
||
|
#define OutputCharStream_INCLUDED 1
|
||
|
|
||
|
#include "types.h"
|
||
|
#include <stddef.h>
|
||
|
#include "Link.h"
|
||
|
#include "StringC.h"
|
||
|
#include "Owner.h"
|
||
|
#include "CodingSystem.h"
|
||
|
#include "OutputByteStream.h"
|
||
|
|
||
|
#ifdef SP_NAMESPACE
|
||
|
namespace SP_NAMESPACE {
|
||
|
#endif
|
||
|
|
||
|
class SP_API OutputCharStream : public Link {
|
||
|
public:
|
||
|
enum Newline { newline };
|
||
|
typedef void (*Escaper)(OutputCharStream &, Char);
|
||
|
OutputCharStream();
|
||
|
virtual ~OutputCharStream();
|
||
|
OutputCharStream &put(Char);
|
||
|
OutputCharStream &write(const Char *, size_t);
|
||
|
virtual void flush() = 0;
|
||
|
virtual void setEscaper(Escaper);
|
||
|
|
||
|
OutputCharStream &operator<<(char);
|
||
|
OutputCharStream &operator<<(const char *);
|
||
|
OutputCharStream &operator<<(const StringC &);
|
||
|
OutputCharStream &operator<<(unsigned long);
|
||
|
OutputCharStream &operator<<(int);
|
||
|
OutputCharStream &operator<<(Newline);
|
||
|
private:
|
||
|
OutputCharStream(const OutputCharStream &); // undefined
|
||
|
void operator=(const OutputCharStream &); // undefined
|
||
|
|
||
|
virtual void flushBuf(Char) = 0;
|
||
|
protected:
|
||
|
Char *ptr_;
|
||
|
Char *end_;
|
||
|
};
|
||
|
|
||
|
class SP_API EncodeOutputCharStream : public OutputCharStream,
|
||
|
private Encoder::Handler {
|
||
|
public:
|
||
|
EncodeOutputCharStream();
|
||
|
// the OutputByteStream will not be deleted
|
||
|
EncodeOutputCharStream(OutputByteStream *, const OutputCodingSystem *);
|
||
|
~EncodeOutputCharStream();
|
||
|
void open(OutputByteStream *, const OutputCodingSystem *);
|
||
|
void flush();
|
||
|
void setEscaper(Escaper);
|
||
|
private:
|
||
|
EncodeOutputCharStream(const EncodeOutputCharStream &); // undefined
|
||
|
void operator=(const EncodeOutputCharStream &); // undefined
|
||
|
EncodeOutputCharStream(OutputByteStream *, Encoder *);
|
||
|
void allocBuf(int bytesPerChar);
|
||
|
void flushBuf(Char);
|
||
|
void handleUnencodable(Char c, OutputByteStream *);
|
||
|
Char *buf_;
|
||
|
OutputByteStream *byteStream_;
|
||
|
Encoder *encoder_;
|
||
|
Owner<Encoder> ownedEncoder_;
|
||
|
Escaper escaper_;
|
||
|
};
|
||
|
|
||
|
class SP_API StrOutputCharStream : public OutputCharStream {
|
||
|
public:
|
||
|
StrOutputCharStream();
|
||
|
~StrOutputCharStream();
|
||
|
void extractString(StringC &);
|
||
|
void flush();
|
||
|
private:
|
||
|
void flushBuf(Char);
|
||
|
void sync(size_t);
|
||
|
StrOutputCharStream(const StrOutputCharStream &); // undefined
|
||
|
void operator=(const StrOutputCharStream &); // undefined
|
||
|
Char *buf_;
|
||
|
size_t bufSize_;
|
||
|
};
|
||
|
|
||
|
class SP_API RecordOutputCharStream : public OutputCharStream {
|
||
|
public:
|
||
|
RecordOutputCharStream(OutputCharStream *);
|
||
|
~RecordOutputCharStream();
|
||
|
void flush();
|
||
|
void setEscaper(Escaper);
|
||
|
private:
|
||
|
RecordOutputCharStream(const RecordOutputCharStream &); // undefined
|
||
|
void operator=(const RecordOutputCharStream &); // undefined
|
||
|
void flushBuf(Char);
|
||
|
void outputBuf();
|
||
|
|
||
|
OutputCharStream *os_;
|
||
|
enum { bufSize_ = 1024 };
|
||
|
Char buf_[bufSize_];
|
||
|
};
|
||
|
|
||
|
inline
|
||
|
OutputCharStream &OutputCharStream::put(Char c)
|
||
|
{
|
||
|
if (ptr_ < end_)
|
||
|
*ptr_++ = c;
|
||
|
else
|
||
|
flushBuf(c);
|
||
|
return *this;
|
||
|
}
|
||
|
|
||
|
inline
|
||
|
OutputCharStream &OutputCharStream::operator<<(char c)
|
||
|
{
|
||
|
return put(Char(c));
|
||
|
}
|
||
|
|
||
|
inline
|
||
|
OutputCharStream &OutputCharStream::operator<<(Newline)
|
||
|
{
|
||
|
put(Char(SP_LINE_TERM1));
|
||
|
#ifdef SP_LINE_TERM2
|
||
|
put(Char(SP_LINE_TERM2));
|
||
|
#endif
|
||
|
return *this;
|
||
|
}
|
||
|
|
||
|
inline
|
||
|
OutputCharStream &OutputCharStream::operator<<(const StringC &str)
|
||
|
{
|
||
|
return write(str.data(), str.size());
|
||
|
}
|
||
|
|
||
|
#ifdef SP_NAMESPACE
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
#endif /* not OutputCharStream_INCLUDED */
|