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Add unpacktool

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This commit is contained in:
elasota
2020-05-09 21:05:58 -04:00
parent b849d23f4e
commit ebb6d7608e
65 changed files with 6419 additions and 14 deletions
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2
PortabilityLayer/PortabilityLayer.vcxproj
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@@ -231,6 +231,7 @@
<ClInclude Include="PLUnalignedPtr.h" />
<ClInclude Include="PLWidgets.h" />
<ClInclude Include="TextPlacer.h" />
<ClInclude Include="UTF16.h" />
<ClInclude Include="UTF8.h" />
<ClInclude Include="ZipFileProxy.h" />
<ClInclude Include="SimpleImage.h" />
@@ -388,6 +389,7 @@
<ClCompile Include="SimpleGraphic.cpp" />
<ClCompile Include="PLHandle.cpp" />
<ClCompile Include="TextPlacer.cpp" />
<ClCompile Include="UTF16.cpp" />
<ClCompile Include="UTF8.cpp" />
<ClCompile Include="WindowDef.cpp" />
<ClCompile Include="WindowManager.cpp" />

6
PortabilityLayer/PortabilityLayer.vcxproj.filters
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@@ -486,6 +486,9 @@
<ClInclude Include="AppEventHandler.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="UTF16.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="CFileStream.cpp">
@@ -764,5 +767,8 @@
<ClCompile Include="AppEventHandler.cpp">
<Filter>Header Files</Filter>
</ClCompile>
<ClCompile Include="UTF16.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
</Project>

57
PortabilityLayer/UTF16.cpp Normal file
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@@ -0,0 +1,57 @@
#include "UTF16.h"
namespace PortabilityLayer
{
bool UTF16Processor::DecodeCodePoint(const uint16_t *characters, size_t availableCharacters, size_t &outCharactersDigested, uint32_t &outCodePoint)
{
if (availableCharacters <= 0)
return false;
if ((characters[0] & 0xff80) == 0x00)
{
outCharactersDigested = 1;
outCodePoint = characters[0];
return true;
}
if (characters[0] <= 0xd7ff || characters[0] >= 0xe000)
{
outCharactersDigested = 1;
outCodePoint = characters[0];
return true;
}
// Surrogate pair
if (characters[0] >= 0xdc00 || availableCharacters < 2)
return false;
if (characters[1] < 0xdc00 || characters[1] >= 0xe000)
return false;
uint16_t highBits = (characters[0] & 0x3ff);
uint16_t lowBits = (characters[1] & 0x3ff);
outCharactersDigested = 2;
outCodePoint = (highBits << 10) + lowBits + 0x10000;
return true;
}
void UTF16Processor::EncodeCodePoint(uint16_t *characters, size_t &outCharactersEmitted, uint32_t codePoint)
{
if (codePoint <= 0xd7ff || codePoint >= 0xe000)
{
outCharactersEmitted = 1;
characters[0] = static_cast<uint16_t>(codePoint);
return;
}
uint32_t codePointBits = (codePoint - 0x10000) & 0xfffff;
uint16_t lowBits = (codePointBits & 0x3ff);
uint16_t highBits = ((codePointBits >> 10) & 0x3ff);
outCharactersEmitted = 2;
characters[0] = (0xd800 + highBits);
characters[1] = (0xdc00 + lowBits);
}
}

13
PortabilityLayer/UTF16.h Normal file
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@@ -0,0 +1,13 @@
#pragma once
#include <stdint.h>
namespace PortabilityLayer
{
class UTF16Processor
{
public:
static bool DecodeCodePoint(const uint16_t *characters, size_t availableCharacters, size_t &outCharactersDigested, uint32_t &outCodePoint);
static void EncodeCodePoint(uint16_t *characters, size_t &outCharactersEmitted, uint32_t codePoint);
};
}