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Viewing changes to jade/TmpOutputByteStream.h

  • Committer: Bazaar Package Importer
  • Author(s): Yann Dirson
  • Date: 2002-04-09 00:01:50 UTC
  • Revision ID: james.westby@ubuntu.com-20020409000150-r9rkyalxlhvf9ba3
Tags: upstream-1.3.1
Import upstream version 1.3.1

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jade/TmpOutputByteStream.h
 
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#ifndef TmpOutputByteStream_INCLUDED
 
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#define TmpOutputByteStream_INCLUDED 1
 
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#include "OutputByteStream.h"
 
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#include "Boolean.h"
 
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#ifdef DSSSL_NAMESPACE
 
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namespace DSSSL_NAMESPACE {
 
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#endif
 
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#ifdef SP_NAMESPACE
 
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using namespace SP_NAMESPACE;
 
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#endif
 
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class TmpOutputByteStream : public OutputByteStream {
 
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public:
 
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  enum { bufSize = 1024 };
 
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  struct Block {
 
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    Block *next;
 
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    char buf[bufSize];
 
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  };
 
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  class Iter {
 
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  public:
 
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    Iter(const TmpOutputByteStream &sb) : block_(sb.head_), lastBlockUsed_(sb.lastBlockUsed()) { }
 
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    bool next(const char *&p, size_t &n) {
 
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      if (block_) {
 
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        p = block_->buf;
 
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        n = block_->next ? TmpOutputByteStream::bufSize : lastBlockUsed_;
 
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        block_ = block_->next;
 
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        return 1;
 
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      }
 
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      else
 
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        return 0;
 
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    }
 
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  private:
 
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    Block *block_;
 
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    size_t lastBlockUsed_;
 
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  };
 
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  TmpOutputByteStream();
 
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  ~TmpOutputByteStream();
 
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  bool isEmpty() { return head_ == 0; }
 
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  void flush();
 
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  void flushBuf(char ch);
 
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private:
 
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  friend class Iter;
 
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  size_t lastBlockUsed() const {
 
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    return last_ ? (ptr_ - last_->buf) : 0;
 
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  }
 
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  unsigned nFullBlocks_;
 
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  Block *head_;
 
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  Block *last_;
 
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};
 
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#ifdef DSSSL_NAMESPACE
 
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}
 
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#endif
 
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#endif /* not OutputByteStream_INCLUDED */