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- removed the unused CompressedFileWriter class.

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This commit is contained in:
Christoph Oelckers 2020-04-11 23:40:57 +02:00
parent 6ef93ba514
commit 672a9eb912
4 changed files with 32 additions and 144 deletions
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41
source/core/utility/basics.h
View file

@ -1,13 +1,28 @@
#ifndef __BASICS_H
#define __BASICS_H
#ifndef MAKE_ID
#ifndef __BIG_ENDIAN__
#define MAKE_ID(a,b,c,d) ((uint32_t)((a)|((b)<<8)|((c)<<16)|((d)<<24)))
#else
#define MAKE_ID(a,b,c,d) ((uint32_t)((d)|((c)<<8)|((b)<<16)|((a)<<24)))
#endif
#endif
#include <stddef.h>
#include <stdint.h>
//
// fixed point, 32bit as 16.16.
//
#define FRACBITS 16
#define FRACUNIT (1<<FRACBITS)
typedef int32_t fixed_t;
#define FIXED_MAX (signed)(0x7fffffff)
#define FIXED_MIN (signed)(0x80000000)
// the last remnants of tables.h
#define ANGLE_90 (0x40000000)
#define ANGLE_180 (0x80000000)
#define ANGLE_270 (0xc0000000)
#define ANGLE_MAX (0xffffffff)
typedef uint32_t angle_t;
#ifdef __GNUC__
#define GCCPRINTF(stri,firstargi) __attribute__((format(printf,stri,firstargi)))
@ -19,6 +34,14 @@
#define GCCNOWARN
#endif
using INTBOOL = int;
#ifndef MAKE_ID
#ifndef __BIG_ENDIAN__
#define MAKE_ID(a,b,c,d) ((uint32_t)((a)|((b)<<8)|((c)<<16)|((d)<<24)))
#else
#define MAKE_ID(a,b,c,d) ((uint32_t)((d)|((c)<<8)|((b)<<16)|((a)<<24)))
#endif
#endif
using INTBOOL = int;
using BITFIELD = uint32_t;
#endif

1
source/core/utility/files.cpp
View file

@ -40,7 +40,6 @@
FILE *myfopen(const char *filename, const char *flags)
{
// fix this later
#ifndef _WIN32
return fopen(filename, flags);
#else

21
source/core/utility/files.h
View file

@ -318,9 +318,6 @@ protected:
};
class FileWriter
{
protected:
@ -368,23 +365,5 @@ public:
TArray<unsigned char>&& TakeBuffer() { return std::move(mBuffer); }
};
class CompressedFileWriter : public FileWriter
{
FileWriter *target;
struct z_stream_s *zipstream;
uint8_t outbuf[1024];
size_t compressedSize;
bool ownsWriter;
size_t WriteBlock(const void *buffer, size_t bytes);
public:
CompressedFileWriter(FileWriter *wr, bool transfer = false);
CompressedFileWriter(FILE *wr);
~CompressedFileWriter() { Close(); }
virtual size_t Write(const void *buffer, size_t len) override;
virtual void Close() override;
};
#endif

113
source/core/utility/files_decompress.cpp
View file

@ -651,116 +651,3 @@ bool FileReader::OpenDecompressor(FileReader &parent, Size length, int method, b
}
}
//==========================================================================
//
//
//
//==========================================================================
CompressedFileWriter::CompressedFileWriter(FileWriter *targ, bool transfer)
{
target = targ;
zipstream = new z_stream;
compressedSize = 0;
zipstream->next_in = Z_NULL;
zipstream->avail_in = 0;
zipstream->zalloc = Z_NULL;
zipstream->zfree = Z_NULL;
int err = deflateInit2 (zipstream, Z_BEST_COMPRESSION, Z_DEFLATED, -MAX_WBITS, 8, Z_DEFAULT_STRATEGY);
if (err != Z_OK)
{
delete zipstream;
zipstream = nullptr;
return;
}
zipstream->next_out = outbuf;
zipstream->avail_out = sizeof(outbuf);
ownsWriter = transfer;
}
//==========================================================================
//
//
//
//==========================================================================
CompressedFileWriter::CompressedFileWriter(FILE *targ)
: CompressedFileWriter(new FileWriter(targ), true)
{
}
//==========================================================================
//
//
//
//==========================================================================
size_t CompressedFileWriter::Write(const void *buffer, size_t bytes)
{
size_t wrote = 0;
size_t towrite = bytes;
zipstream->next_in = (Bytef *)buffer;
while (towrite > 0)
{
auto chunk = std::min(towrite, (size_t)0x40000000);
zipstream->avail_in = chunk;
buffer = ((char*)buffer) + chunk;
towrite -= chunk;
while (zipstream->avail_in != 0)
{
if (zipstream->avail_out == 0)
{
zipstream->next_out = outbuf;
zipstream->avail_out = 1024;
wrote += 1024;
target->Write(outbuf, 1024);
}
deflate (zipstream, Z_NO_FLUSH);
}
}
compressedSize += wrote;
return bytes;
}
//==========================================================================
//
//
//
//==========================================================================
void CompressedFileWriter::Close()
{
if (!zipstream) return;
// Flush the zlib stream buffer.
for (bool done = false;;)
{
auto len = sizeof(outbuf) - zipstream->avail_out;
if (len != 0)
{
compressedSize += len;
target->Write(outbuf, len);
zipstream->next_out = outbuf;
zipstream->avail_out = sizeof(outbuf);
}
if (done)
{
break;
}
auto err = deflate (zipstream, Z_FINISH);
done = zipstream->avail_out != 0 || err == Z_STREAM_END;
if (err != Z_STREAM_END && err != Z_OK)
{
break;
}
}
deflateEnd (zipstream);
delete zipstream;
zipstream = nullptr;
}