From f2902217b38cf2e16e851ae84d61247f8e828180 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Mon, 25 Mar 2019 17:53:14 +0100
Subject: Update the 7z installer stub source to 18.05.

Tag #1022
---
 .../7zstub/src/CPP/7zip/Compress/Lzma2Encoder.cpp  | 122 +++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 other-licenses/7zstub/src/CPP/7zip/Compress/Lzma2Encoder.cpp

(limited to 'other-licenses/7zstub/src/CPP/7zip/Compress/Lzma2Encoder.cpp')

diff --git a/other-licenses/7zstub/src/CPP/7zip/Compress/Lzma2Encoder.cpp b/other-licenses/7zstub/src/CPP/7zip/Compress/Lzma2Encoder.cpp
new file mode 100644
index 000000000..18f7d029d
--- /dev/null
+++ b/other-licenses/7zstub/src/CPP/7zip/Compress/Lzma2Encoder.cpp
@@ -0,0 +1,122 @@
+// Lzma2Encoder.cpp
+
+#include "StdAfx.h"
+
+#include "../../../C/Alloc.h"
+
+#include "../Common/CWrappers.h"
+#include "../Common/StreamUtils.h"
+
+#include "Lzma2Encoder.h"
+
+namespace NCompress {
+
+namespace NLzma {
+
+HRESULT SetLzmaProp(PROPID propID, const PROPVARIANT &prop, CLzmaEncProps &ep);
+
+}
+
+namespace NLzma2 {
+
+CEncoder::CEncoder()
+{
+  _encoder = NULL;
+  _encoder = Lzma2Enc_Create(&g_AlignedAlloc, &g_BigAlloc);
+  if (!_encoder)
+    throw 1;
+}
+
+CEncoder::~CEncoder()
+{
+  if (_encoder)
+    Lzma2Enc_Destroy(_encoder);
+}
+
+
+HRESULT SetLzma2Prop(PROPID propID, const PROPVARIANT &prop, CLzma2EncProps &lzma2Props)
+{
+  switch (propID)
+  {
+    case NCoderPropID::kBlockSize:
+    {
+      if (prop.vt == VT_UI4)
+        lzma2Props.blockSize = prop.ulVal;
+      else if (prop.vt == VT_UI8)
+        lzma2Props.blockSize = prop.uhVal.QuadPart;
+      else
+        return E_INVALIDARG;
+      break;
+    }
+    case NCoderPropID::kNumThreads:
+      if (prop.vt != VT_UI4) return E_INVALIDARG; lzma2Props.numTotalThreads = (int)(prop.ulVal); break;
+    default:
+      RINOK(NLzma::SetLzmaProp(propID, prop, lzma2Props.lzmaProps));
+  }
+  return S_OK;
+}
+
+
+STDMETHODIMP CEncoder::SetCoderProperties(const PROPID *propIDs,
+    const PROPVARIANT *coderProps, UInt32 numProps)
+{
+  CLzma2EncProps lzma2Props;
+  Lzma2EncProps_Init(&lzma2Props);
+
+  for (UInt32 i = 0; i < numProps; i++)
+  {
+    RINOK(SetLzma2Prop(propIDs[i], coderProps[i], lzma2Props));
+  }
+  return SResToHRESULT(Lzma2Enc_SetProps(_encoder, &lzma2Props));
+}
+
+
+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)
+        Lzma2Enc_SetDataSize(_encoder, prop.uhVal.QuadPart);
+  }
+  return S_OK;
+}
+
+
+STDMETHODIMP CEncoder::WriteCoderProperties(ISequentialOutStream *outStream)
+{
+  Byte prop = Lzma2Enc_WriteProperties(_encoder);
+  return WriteStream(outStream, &prop, 1);
+}
+
+
+#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 = Lzma2Enc_Encode2(_encoder,
+      &outWrap.vt, NULL, NULL,
+      &inWrap.vt, NULL, 0,
+      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);
+}
+  
+}}
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