From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../7zstub/src/CPP/7zip/Compress/XzEncoder.cpp | 245 +++++++++++++++++++++ 1 file changed, 245 insertions(+) create mode 100644 other-licenses/7zstub/src/CPP/7zip/Compress/XzEncoder.cpp (limited to 'other-licenses/7zstub/src/CPP/7zip/Compress/XzEncoder.cpp') diff --git a/other-licenses/7zstub/src/CPP/7zip/Compress/XzEncoder.cpp b/other-licenses/7zstub/src/CPP/7zip/Compress/XzEncoder.cpp new file mode 100644 index 0000000000..458a928c99 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/7zip/Compress/XzEncoder.cpp @@ -0,0 +1,245 @@ +// XzEncoder.cpp + +#include "StdAfx.h" + +#include "../../../C/Alloc.h" + +#include "../../Common/MyString.h" +#include "../../Common/StringToInt.h" + +#include "../Common/CWrappers.h" +#include "../Common/StreamUtils.h" + +#include "XzEncoder.h" + +namespace NCompress { + +namespace NLzma2 { + +HRESULT SetLzma2Prop(PROPID propID, const PROPVARIANT &prop, CLzma2EncProps &lzma2Props); + +} + +namespace NXz { + +void CEncoder::InitCoderProps() +{ + XzProps_Init(&xzProps); +} + +CEncoder::CEncoder() +{ + XzProps_Init(&xzProps); + _encoder = NULL; + _encoder = XzEnc_Create(&g_Alloc, &g_BigAlloc); + if (!_encoder) + throw 1; +} + +CEncoder::~CEncoder() +{ + if (_encoder) + XzEnc_Destroy(_encoder); +} + + +struct CMethodNamePair +{ + UInt32 Id; + const char *Name; +}; + +static const CMethodNamePair g_NamePairs[] = +{ + { XZ_ID_Delta, "Delta" }, + { XZ_ID_X86, "BCJ" }, + { XZ_ID_PPC, "PPC" }, + { XZ_ID_IA64, "IA64" }, + { XZ_ID_ARM, "ARM" }, + { XZ_ID_ARMT, "ARMT" }, + { XZ_ID_SPARC, "SPARC" } + // { XZ_ID_LZMA2, "LZMA2" } +}; + +static int FilterIdFromName(const wchar_t *name) +{ + for (unsigned i = 0; i < ARRAY_SIZE(g_NamePairs); i++) + { + const CMethodNamePair &pair = g_NamePairs[i]; + if (StringsAreEqualNoCase_Ascii(name, pair.Name)) + return (int)pair.Id; + } + return -1; +} + + +HRESULT CEncoder::SetCheckSize(UInt32 checkSizeInBytes) +{ + unsigned id; + switch (checkSizeInBytes) + { + case 0: id = XZ_CHECK_NO; break; + case 4: id = XZ_CHECK_CRC32; break; + case 8: id = XZ_CHECK_CRC64; break; + case 32: id = XZ_CHECK_SHA256; break; + default: return E_INVALIDARG; + } + xzProps.checkId = id; + return S_OK; +} + + +HRESULT CEncoder::SetCoderProp(PROPID propID, const PROPVARIANT &prop) +{ + if (propID == NCoderPropID::kNumThreads) + { + if (prop.vt != VT_UI4) + return E_INVALIDARG; + xzProps.numTotalThreads = (int)(prop.ulVal); + return S_OK; + } + + if (propID == NCoderPropID::kCheckSize) + { + if (prop.vt != VT_UI4) + return E_INVALIDARG; + return SetCheckSize(prop.ulVal); + } + + if (propID == NCoderPropID::kBlockSize2) + { + if (prop.vt == VT_UI4) + xzProps.blockSize = prop.ulVal; + else if (prop.vt == VT_UI8) + xzProps.blockSize = prop.uhVal.QuadPart; + else + return E_INVALIDARG; + return S_OK; + } + + if (propID == NCoderPropID::kReduceSize) + { + if (prop.vt == VT_UI8) + xzProps.reduceSize = prop.uhVal.QuadPart; + else + return E_INVALIDARG; + return S_OK; + } + + if (propID == NCoderPropID::kFilter) + { + if (prop.vt == VT_UI4) + { + UInt32 id32 = prop.ulVal; + if (id32 == XZ_ID_Delta) + return E_INVALIDARG; + xzProps.filterProps.id = prop.ulVal; + } + else + { + if (prop.vt != VT_BSTR) + return E_INVALIDARG; + + const wchar_t *name = prop.bstrVal; + const wchar_t *end; + + UInt32 id32 = ConvertStringToUInt32(name, &end); + + if (end != name) + name = end; + else + { + if (IsString1PrefixedByString2_NoCase_Ascii(name, "Delta")) + { + name += 5; // strlen("Delta"); + id32 = XZ_ID_Delta; + } + else + { + int filterId = FilterIdFromName(prop.bstrVal); + if (filterId < 0 /* || filterId == XZ_ID_LZMA2 */) + return E_INVALIDARG; + id32 = filterId; + } + } + + if (id32 == XZ_ID_Delta) + { + wchar_t c = *name; + if (c != '-' && c != ':') + return E_INVALIDARG; + name++; + UInt32 delta = ConvertStringToUInt32(name, &end); + if (end == name || *end != 0 || delta == 0 || delta > 256) + return E_INVALIDARG; + xzProps.filterProps.delta = delta; + } + + xzProps.filterProps.id = id32; + } + + return S_OK; + } + + return NLzma2::SetLzma2Prop(propID, prop, xzProps.lzma2Props); +} + + +STDMETHODIMP CEncoder::SetCoderProperties(const PROPID *propIDs, + const PROPVARIANT *coderProps, UInt32 numProps) +{ + XzProps_Init(&xzProps); + + for (UInt32 i = 0; i < numProps; i++) + { + RINOK(SetCoderProp(propIDs[i], coderProps[i])); + } + + return S_OK; + // return SResToHRESULT(XzEnc_SetProps(_encoder, &xzProps)); +} + + +STDMETHODIMP CEncoder::SetCoderPropertiesOpt(const PROPID *propIDs, + const PROPVARIANT *coderProps, UInt32 numProps) +{ + for (UInt32 i = 0; i < numProps; i++) + { + const PROPVARIANT &prop = coderProps[i]; + PROPID propID = propIDs[i]; + if (propID == NCoderPropID::kExpectedDataSize) + if (prop.vt == VT_UI8) + XzEnc_SetDataSize(_encoder, prop.uhVal.QuadPart); + } + return S_OK; +} + + +#define RET_IF_WRAP_ERROR(wrapRes, sRes, sResErrorCode) \ + if (wrapRes != S_OK /* && (sRes == SZ_OK || sRes == sResErrorCode) */) return wrapRes; + +STDMETHODIMP CEncoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream, + const UInt64 * /* inSize */, const UInt64 * /* outSize */, ICompressProgressInfo *progress) +{ + CSeqInStreamWrap inWrap; + CSeqOutStreamWrap outWrap; + CCompressProgressWrap progressWrap; + + inWrap.Init(inStream); + outWrap.Init(outStream); + progressWrap.Init(progress); + + SRes res = XzEnc_SetProps(_encoder, &xzProps); + if (res == SZ_OK) + res = XzEnc_Encode(_encoder, &outWrap.vt, &inWrap.vt, progress ? &progressWrap.vt : NULL); + + // SRes res = Xz_Encode(&outWrap.vt, &inWrap.vt, &xzProps, progress ? &progressWrap.vt : NULL); + + RET_IF_WRAP_ERROR(inWrap.Res, res, SZ_ERROR_READ) + RET_IF_WRAP_ERROR(outWrap.Res, res, SZ_ERROR_WRITE) + RET_IF_WRAP_ERROR(progressWrap.Res, res, SZ_ERROR_PROGRESS) + + return SResToHRESULT(res); +} + +}} -- cgit v1.2.3