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Add omrstr_convert target code page CP_ACP/CP_THREAD_ACP
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Added target encoding J9STR_CODE_WINDEFAULTACP/J9STR_CODE_WINTHREADACP
for Windows code page CP_ACP/CP_THREAD_ACP.

Signed-off-by: Jason Feng <fengj@ca.ibm.com>
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@JasonFengJ9
JasonFengJ9 committed Nov 1, 2019
1 parent c0e6d24 commit 1fc5b76
Showing 1 changed file with 41 additions and 30 deletions.
71 changes: 41 additions & 30 deletions port/common/omrstr.c
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 1991, 2018 IBM Corp. and others
* Copyright (c) 1991, 2019 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
Expand Down Expand Up @@ -162,13 +162,13 @@ static void setJ9TimeToEpoch(struct J9TimeInfo *tm);
static uint32_t omrstr_subst_time(struct OMRPortLibrary *portLibrary, char *buf, uint32_t bufLen, const char *format, int64_t timeMillis);
static intptr_t omrstr_set_token_from_buf(struct OMRPortLibrary *portLibrary, struct J9StringTokens *tokens, const char *key, char *tokenBuf, uint32_t tokenLen);
static int32_t convertPlatformToMutf8(struct OMRPortLibrary *portLibrary, uint32_t codePage, const uint8_t *inBuffer, uintptr_t inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize);
static int32_t convertMutf8ToPlatform(struct OMRPortLibrary *portLibrary, const uint8_t *inBuffer, uintptr_t inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize);
static int32_t convertMutf8ToPlatform(struct OMRPortLibrary *portLibrary, uint32_t codePage, const uint8_t *inBuffer, uintptr_t inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize);
static int32_t convertWideToMutf8(const uint8_t **inBuffer, uintptr_t *inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize);
static int32_t convertUtf8ToMutf8(struct OMRPortLibrary *portLibrary, const uint8_t **inBuffer, uintptr_t *inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize);
static int32_t convertPlatformToUtf8(struct OMRPortLibrary *portLibrary, const uint8_t *inBuffer, uintptr_t inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize);
static int32_t convertMutf8ToWide(const uint8_t **inBuffer, uintptr_t *inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize);
static int32_t convertPlatformToWide(struct OMRPortLibrary *portLibrary, charconvState_t encodingState, uint32_t codePage, const uint8_t **inBuffer, uintptr_t *inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize);
static int32_t convertWideToPlatform(struct OMRPortLibrary *portLibrary, charconvState_t encodingState, const uint8_t **inBuffer, uintptr_t *inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize);
static int32_t convertWideToPlatform(struct OMRPortLibrary *portLibrary, charconvState_t encodingState, uint32_t codePage, const uint8_t **inBuffer, uintptr_t *inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize);
static int32_t convertLatin1ToMutf8(struct OMRPortLibrary *portLibrary, const uint8_t **inBuffer, uintptr_t *inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize);
static int32_t convertMutf8ToLatin1(struct OMRPortLibrary *portLibrary, const uint8_t **inBuffer, uintptr_t *inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize);

Expand Down Expand Up @@ -292,7 +292,7 @@ omrstr_convert(struct OMRPortLibrary *portLibrary, int32_t fromCode, int32_t toC
case J9STR_CODE_MUTF8: {
switch (toCode) {
case J9STR_CODE_PLATFORM_RAW:
result = convertMutf8ToPlatform(portLibrary, inBuffer, inBufferSize, outBuffer, outBufferSize);
result = convertMutf8ToPlatform(portLibrary, OS_ENCODING_CODE_PAGE, inBuffer, inBufferSize, outBuffer, outBufferSize);
break;
case J9STR_CODE_LATIN1: {
const uint8_t *mutf8Cursor = inBuffer;
Expand All @@ -307,6 +307,14 @@ omrstr_convert(struct OMRPortLibrary *portLibrary, int32_t fromCode, int32_t toC
}
}
break;
#if defined(OMR_OS_WINDOWS)
case J9STR_CODE_WINTHREADACP:
result = convertMutf8ToPlatform(portLibrary, CP_THREAD_ACP, inBuffer, inBufferSize, outBuffer, outBufferSize);
break;
case J9STR_CODE_WINDEFAULTACP:
result = convertMutf8ToPlatform(portLibrary, CP_ACP, inBuffer, inBufferSize, outBuffer, outBufferSize);
break;
#endif /* defined(OMR_OS_WINDOWS) */
case J9STR_CODE_WIDE: {
const uint8_t *mutf8Cursor = inBuffer;
uintptr_t mutf8Remaining = inBufferSize;
Expand Down Expand Up @@ -2583,16 +2591,18 @@ convertPlatformToMutf8(struct OMRPortLibrary *portLibrary, uint32_t codePage, co
return (int32_t) resultSize;
}

/*
* Two step process: convert modified UTF-8 to wide characters, then wide characters to platform encoding .
* iconv() both is resumable if the output buffer is full, but Windows WideCharToMultiByte() is not.
* @param[in] inBuffer input string to be converted.
* @param[in] inBufferSize input string size in bytes.
* @param[in] outBuffer user-allocated output buffer that stores converted characters, ignored if inBufferSize is 0.
* @param[in] outBufferSize output buffer size in bytes (zero to request the required output buffer size)
*/
/**
* Two step process: convert modified UTF-8 to wide characters, then wide characters to platform encoding.
* iconv() both is resumable if the output buffer is full, but Windows WideCharToMultiByte() is not.
* @param [in] portLibrary port library
* @param [in] codePage specify the "platform" code page: CP_THREAD_ACP, CP_ACP (Windows ANSI code pages) or OS_ENCODING_CODE_PAGE. Ignored on non-Windows systems
* @param [in] inBuffer input string to be converted
* @param [in] inBufferSize input string size in bytes
* @param [in] outBuffer user-allocated output buffer that stores converted characters, ignored if inBufferSize is 0
* @param [in] outBufferSize output buffer size in bytes (zero to request the required output buffer size)
*/
static int32_t
convertMutf8ToPlatform(struct OMRPortLibrary *portLibrary, const uint8_t *inBuffer, uintptr_t inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize)
convertMutf8ToPlatform(struct OMRPortLibrary *portLibrary, uint32_t codePage, const uint8_t *inBuffer, uintptr_t inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize)
{
/* need mutable copies */
const uint8_t *mutf8Cursor = inBuffer;
Expand Down Expand Up @@ -2625,7 +2635,7 @@ convertMutf8ToPlatform(struct OMRPortLibrary *portLibrary, const uint8_t *inBuff
}
wideBufferCount = (uintptr_t)result;

platformPartCount = convertWideToPlatform(portLibrary, encodingState, &wideBufferCursor, &wideBufferCount, outCursor, outLimit);
platformPartCount = convertWideToPlatform(portLibrary, encodingState, codePage, &wideBufferCursor, &wideBufferCount, outCursor, outLimit);
/*
* convertWideToPlatform may return OMRPORT_ERROR_STRING_BUFFER_TOO_SMALL.
* convertWideToPlatform sets up to MAX_STRING_TERMINATOR_LENGTH bytes bytes after the converted characters to 0,
Expand Down Expand Up @@ -3124,22 +3134,23 @@ convertPlatformToWide(struct OMRPortLibrary *portLibrary, charconvState_t encodi
return resultSize;
}

/*
* transliterate from wide (UTF-16) to platform encoding. The input and output buffer pointers and sizes are updated (except on Windows) to allow
* resumption if the translation failed due to output buffer too small.
* Resumable, so it updates its inputs
* The output buffer may contain additional data such as a byte order mark (0xff, 0xfe or vice versa)
* If the buffer is large enough, the byte after the last output character is set to 0.
* @param [in] portLibrary port library
* @param [in] encodingState iconv_t on Linux, z/OS and AIX, void * on Windows (unused)
* @param [inout] inBuffer input buffer. Updated to point to start of first untranslated character
* @param [inout] inBufferSize number of wide characters in wideBuffer. Updated to number of untranslated characters
* @param [in] outBuffer point to start of buffer to receive platform-encoded string.
* @param [in] outBufferSize size in characters of the platformBuffer. Set to 0 to get the length of bytes required to hold the output
* @return number of characters generated, or negative in case of error
*/
/**
* Transliterate from wide (UTF-16) to platform encoding. The input and output buffer pointers and sizes are updated (except on Windows) to allow
* resumption if the translation failed due to output buffer too small.
* Resumable, so it updates its inputs.
* The output buffer may contain additional data such as a byte order mark (0xff, 0xfe or vice versa).
* If the buffer is large enough, the byte after the last output character is set to 0.
* @param [in] portLibrary port library
* @param [in] encodingState iconv_t on Linux, z/OS and AIX, void * on Windows (unused)
* @param [in] codePage specify the "platform" code page: CP_THREAD_ACP, CP_ACP (Windows ANSI code pages) or OS_ENCODING_CODE_PAGE. Ignored on non-Windows systems
* @param [inout] inBuffer input buffer. Updated to point to start of first untranslated character
* @param [inout] inBufferSize number of wide characters in wideBuffer. Updated to number of untranslated characters
* @param [in] outBuffer point to start of buffer to receive platform-encoded string
* @param [in] outBufferSize size in characters of the platformBuffer. Set to 0 to get the length of bytes required to hold the output
* @return number of characters generated, or negative in case of error
*/
static int32_t
convertWideToPlatform(struct OMRPortLibrary *portLibrary, charconvState_t encodingState, const uint8_t **inBuffer, uintptr_t *inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize)
convertWideToPlatform(struct OMRPortLibrary *portLibrary, charconvState_t encodingState, uint32_t codePage, const uint8_t **inBuffer, uintptr_t *inBufferSize, uint8_t *outBuffer, uintptr_t outBufferSize)
{
int32_t resultSize = -1;
#if defined(J9STR_USE_ICONV)
Expand Down Expand Up @@ -3185,7 +3196,7 @@ convertWideToPlatform(struct OMRPortLibrary *portLibrary, charconvState_t encodi
#elif defined(OMR_OS_WINDOWS)
LPCWSTR wideCursor = (LPCWSTR)*inBuffer;
uintptr_t wideRemaining = *inBufferSize / WIDE_CHAR_SIZE;
resultSize = WideCharToMultiByte(OS_ENCODING_CODE_PAGE, OS_ENCODING_MB_FLAGS, wideCursor,
resultSize = WideCharToMultiByte(codePage, OS_ENCODING_MB_FLAGS, wideCursor,
(int)wideRemaining, (LPSTR)outBuffer, (int)outBufferSize, NULL, NULL);
if (0 == resultSize) {
DWORD error = GetLastError();
Expand Down

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