#include <cstring>
#include "Types.h"

Functions
SRes	LookInStream_LookRead (ILookInStream stream, void buf, size_t *size)

SRes	LookInStream_Read (ILookInStream stream, void buf, size_t size)

SRes	LookInStream_Read2 (ILookInStream stream, void buf, size_t size, SRes errorType)

SRes	LookInStream_SeekTo (ILookInStream *stream, UInt64 offset)

void	LookToRead_CreateVTable (CLookToRead *p, int lookahead)

void	LookToRead_Init (CLookToRead *p)

static SRes	LookToRead_Look_Exact (void pp, const void buf, size_t size)

static SRes	LookToRead_Look_Lookahead (void pp, const void buf, size_t size)

static SRes	LookToRead_Read (void pp, void buf, size_t *size)

static SRes	LookToRead_Seek (void pp, Int64 pos, ESzSeek origin)

static SRes	LookToRead_Skip (void *pp, size_t offset)

void	SecToLook_CreateVTable (CSecToLook *p)

static SRes	SecToLook_Read (void pp, void buf, size_t *size)

void	SecToRead_CreateVTable (CSecToRead *p)

static SRes	SecToRead_Read (void pp, void buf, size_t *size)

SRes	SeqInStream_Read (ISeqInStream stream, void buf, size_t size)

SRes	SeqInStream_Read2 (ISeqInStream stream, void buf, size_t size, SRes errorType)

SRes	SeqInStream_ReadByte (ISeqInStream stream, Byte buf)

Function Documentation

SRes LookInStream_LookRead	(	ILookInStream *	stream,
		void *	buf,
		size_t *	size
	)

Definition at line 35 of file 7zStream.cc.

References ILookInStream::Look, RINOK, ILookInStream::Skip, and SZ_OK.

Referenced by SecToLook_Read().

                                                                            {
   const void *lookBuf;
   if (*size == 0)
     return SZ_OK;
   RINOK(stream->Look(stream, &lookBuf, size));
   memcpy(buf, lookBuf, *size);
   return stream->Skip(stream, *size);
 }

SRes LookInStream_Read	(	ILookInStream *	stream,
		void *	buf,
		size_t	size
	)

Definition at line 56 of file 7zStream.cc.

References LookInStream_Read2(), and SZ_ERROR_INPUT_EOF.

                                                                       {
   return LookInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF);
 }

SRes LookInStream_Read2	(	ILookInStream *	stream,
		void *	buf,
		size_t	size,
		SRes	errorType
	)

Definition at line 44 of file 7zStream.cc.

References ILookInStream::Read, RINOK, findQualityFiles::size, and SZ_OK.

Referenced by LookInStream_Read().

                                                                                        {
   while (size != 0) {
     size_t processed = size;
     RINOK(stream->Read(stream, buf, &processed));
     if (processed == 0)
       return errorType;
     buf = (void *)((Byte *)buf + processed);
     size -= processed;
   }
   return SZ_OK;
 }

SRes LookInStream_SeekTo	(	ILookInStream *	stream,
		UInt64	offset
	)

Definition at line 30 of file 7zStream.cc.

References hltrates_dqm_sourceclient-live_cfg::offset, ILookInStream::Seek, SZ_SEEK_SET, and OrderedSet::t.

                                                                {
   Int64 t = offset;
   return stream->Seek(stream, &t, SZ_SEEK_SET);
 }

void LookToRead_CreateVTable	(	CLookToRead *	p,
		int	lookahead
	)

Definition at line 118 of file 7zStream.cc.

References ILookInStream::Look, LookToRead_Look_Exact(), LookToRead_Look_Lookahead(), LookToRead_Read(), LookToRead_Seek(), LookToRead_Skip(), ILookInStream::Read, CLookToRead::s, ILookInStream::Seek, and ILookInStream::Skip.

                                                             {
   p->s.Look = lookahead ? LookToRead_Look_Lookahead : LookToRead_Look_Exact;
   p->s.Skip = LookToRead_Skip;
   p->s.Read = LookToRead_Read;
   p->s.Seek = LookToRead_Seek;
 }

void LookToRead_Init ( CLookToRead * p )

Definition at line 125 of file 7zStream.cc.

References CLookToRead::pos, and CLookToRead::size.

125 { p->pos = p->size = 0; }

CLookToRead::size

size_t size

Definition: Types.h:188

CLookToRead::pos

size_t pos

Definition: Types.h:187

static SRes LookToRead_Look_Exact	(	void *	pp,
		const void **	buf,
		size_t *	size
	)

static

Definition at line 76 of file 7zStream.cc.

References CLookToRead::buf, LookToRead_BUF_SIZE, AlCaHLTBitMon_ParallelJobs::p, CLookToRead::pos, ISeekInStream::Read, CLookToRead::realStream, CLookToRead::size, findQualityFiles::size, and SZ_OK.

Referenced by LookToRead_CreateVTable().

                                                                             {
   SRes res = SZ_OK;
   CLookToRead *p = (CLookToRead *)pp;
   size_t size2 = p->size - p->pos;
   if (size2 == 0 && *size > 0) {
     p->pos = 0;
     if (*size > LookToRead_BUF_SIZE)
       *size = LookToRead_BUF_SIZE;
     res = p->realStream->Read(p->realStream, p->buf, size);
     size2 = p->size = *size;
   }
   if (size2 < *size)
     *size = size2;
   *buf = p->buf + p->pos;
   return res;
 }

static SRes LookToRead_Look_Lookahead	(	void *	pp,
		const void **	buf,
		size_t *	size
	)

static

Definition at line 60 of file 7zStream.cc.

References CLookToRead::buf, LookToRead_BUF_SIZE, AlCaHLTBitMon_ParallelJobs::p, CLookToRead::pos, ISeekInStream::Read, CLookToRead::realStream, CLookToRead::size, and SZ_OK.

Referenced by LookToRead_CreateVTable().

                                                                                 {
   SRes res = SZ_OK;
   CLookToRead *p = (CLookToRead *)pp;
   size_t size2 = p->size - p->pos;
   if (size2 == 0 && *size > 0) {
     p->pos = 0;
     size2 = LookToRead_BUF_SIZE;
     res = p->realStream->Read(p->realStream, p->buf, &size2);
     p->size = size2;
   }
   if (size2 < *size)
     *size = size2;
   *buf = p->buf + p->pos;
   return res;
 }

static SRes LookToRead_Read	(	void *	pp,
		void *	buf,
		size_t *	size
	)

static

Definition at line 99 of file 7zStream.cc.

References CLookToRead::buf, AlCaHLTBitMon_ParallelJobs::p, CLookToRead::pos, ISeekInStream::Read, CLookToRead::realStream, CLookToRead::size, findQualityFiles::size, and SZ_OK.

Referenced by LookToRead_CreateVTable().

                                                                {
   CLookToRead *p = (CLookToRead *)pp;
   size_t rem = p->size - p->pos;
   if (rem == 0)
     return p->realStream->Read(p->realStream, buf, size);
   if (rem > *size)
     rem = *size;
   memcpy(buf, p->buf + p->pos, rem);
   p->pos += rem;
   *size = rem;
   return SZ_OK;
 }

static SRes LookToRead_Seek	(	void *	pp,
		Int64 *	pos,
		ESzSeek	origin
	)

static

Definition at line 112 of file 7zStream.cc.

References AlCaHLTBitMon_ParallelJobs::p, CLookToRead::pos, CLookToRead::realStream, ISeekInStream::Seek, and CLookToRead::size.

Referenced by LookToRead_CreateVTable().

                                                                   {
   CLookToRead *p = (CLookToRead *)pp;
   p->pos = p->size = 0;
   return p->realStream->Seek(p->realStream, pos, origin);
 }

static SRes LookToRead_Skip	(	void *	pp,
		size_t	offset
	)

static

Definition at line 93 of file 7zStream.cc.

References hltrates_dqm_sourceclient-live_cfg::offset, AlCaHLTBitMon_ParallelJobs::p, CLookToRead::pos, and SZ_OK.

Referenced by LookToRead_CreateVTable().

                                                      {
   CLookToRead *p = (CLookToRead *)pp;
   p->pos += offset;
   return SZ_OK;
 }

void SecToLook_CreateVTable ( CSecToLook * p )

Definition at line 132 of file 7zStream.cc.

References ISeqInStream::Read, CSecToLook::s, and SecToLook_Read().

132 { p->s.Read = SecToLook_Read; }

SecToLook_Read

static SRes SecToLook_Read(void *pp, void *buf, size_t *size)

Definition: 7zStream.cc:127

CSecToLook::s

ISeqInStream s

Definition: Types.h:196

ISeqInStream::Read

SRes(* Read)(void *p, void *buf, size_t *size)

Definition: Types.h:139

static SRes SecToLook_Read	(	void *	pp,
		void *	buf,
		size_t *	size
	)

static

Definition at line 127 of file 7zStream.cc.

References LookInStream_LookRead(), AlCaHLTBitMon_ParallelJobs::p, and CSecToLook::realStream.

Referenced by SecToLook_CreateVTable().

                                                               {
   CSecToLook *p = (CSecToLook *)pp;
   return LookInStream_LookRead(p->realStream, buf, size);
 }

void SecToRead_CreateVTable ( CSecToRead * p )

Definition at line 139 of file 7zStream.cc.

References ISeqInStream::Read, CSecToRead::s, and SecToRead_Read().

139 { p->s.Read = SecToRead_Read; }

SecToRead_Read

static SRes SecToRead_Read(void *pp, void *buf, size_t *size)

Definition: 7zStream.cc:134

CSecToRead::s

ISeqInStream s

Definition: Types.h:203

ISeqInStream::Read

SRes(* Read)(void *p, void *buf, size_t *size)

Definition: Types.h:139

static SRes SecToRead_Read	(	void *	pp,
		void *	buf,
		size_t *	size
	)

static

Definition at line 134 of file 7zStream.cc.

References AlCaHLTBitMon_ParallelJobs::p, ILookInStream::Read, and CSecToRead::realStream.

Referenced by SecToRead_CreateVTable().

                                                               {
   CSecToRead *p = (CSecToRead *)pp;
   return p->realStream->Read(p->realStream, buf, size);
 }

SRes SeqInStream_Read	(	ISeqInStream *	stream,
		void *	buf,
		size_t	size
	)

Definition at line 20 of file 7zStream.cc.

References SeqInStream_Read2(), and SZ_ERROR_INPUT_EOF.

Referenced by LzmaFile::Open().

                                                                     {
   return SeqInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF);
 }

SRes SeqInStream_Read2	(	ISeqInStream *	stream,
		void *	buf,
		size_t	size,
		SRes	errorType
	)

Definition at line 8 of file 7zStream.cc.

References ISeqInStream::Read, RINOK, findQualityFiles::size, and SZ_OK.

Referenced by SeqInStream_Read().

                                                                                      {
   while (size != 0) {
     size_t processed = size;
     RINOK(stream->Read(stream, buf, &processed));
     if (processed == 0)
       return errorType;
     buf = (void *)((Byte *)buf + processed);
     size -= processed;
   }
   return SZ_OK;
 }

SRes SeqInStream_ReadByte	(	ISeqInStream *	stream,
		Byte *	buf
	)

Definition at line 24 of file 7zStream.cc.

References ISeqInStream::Read, RINOK, SZ_ERROR_INPUT_EOF, and SZ_OK.

                                                            {
   size_t processed = 1;
   RINOK(stream->Read(stream, buf, &processed));
   return (processed == 1) ? SZ_OK : SZ_ERROR_INPUT_EOF;
 }

Functions

Function Documentation