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-rw-r--r--src/corefx/System.Globalization.Native/casing.cpp199
1 files changed, 95 insertions, 104 deletions
diff --git a/src/corefx/System.Globalization.Native/casing.cpp b/src/corefx/System.Globalization.Native/casing.cpp
index 6b7658b657..58b47fc810 100644
--- a/src/corefx/System.Globalization.Native/casing.cpp
+++ b/src/corefx/System.Globalization.Native/casing.cpp
@@ -15,46 +15,43 @@ ChangeCase
Performs upper or lower casing of a string into a new buffer.
No special casing is performed beyond that provided by ICU.
*/
-extern "C" void ChangeCase(const UChar* lpSrc,
- int32_t cwSrcLength,
- UChar* lpDst,
- int32_t cwDstLength,
- int32_t bToUpper)
+extern "C" void GlobalizationNative_ChangeCase(
+ const UChar* lpSrc, int32_t cwSrcLength, UChar* lpDst, int32_t cwDstLength, int32_t bToUpper)
{
- // Iterate through the string, decoding the next one or two UTF-16 code units
- // into a codepoint and updating srcIdx to point to the next UTF-16 code unit
- // to decode. Then upper or lower case it, write dstCodepoint into lpDst at
- // offset dstIdx, and update dstIdx.
+ // Iterate through the string, decoding the next one or two UTF-16 code units
+ // into a codepoint and updating srcIdx to point to the next UTF-16 code unit
+ // to decode. Then upper or lower case it, write dstCodepoint into lpDst at
+ // offset dstIdx, and update dstIdx.
- // (The loop here has been manually cloned for each of the four cases, rather
- // than having a single loop that internally branched based on bToUpper as the
- // compiler wasn't doing that optimization, and it results in an ~15-20% perf
- // improvement on longer strings.)
+ // (The loop here has been manually cloned for each of the four cases, rather
+ // than having a single loop that internally branched based on bToUpper as the
+ // compiler wasn't doing that optimization, and it results in an ~15-20% perf
+ // improvement on longer strings.)
- UBool isError = FALSE;
- int32_t srcIdx = 0, dstIdx = 0;
- UChar32 srcCodepoint, dstCodepoint;
+ UBool isError = FALSE;
+ int32_t srcIdx = 0, dstIdx = 0;
+ UChar32 srcCodepoint, dstCodepoint;
- if (bToUpper)
- {
- while (srcIdx < cwSrcLength)
- {
- U16_NEXT(lpSrc, srcIdx, cwSrcLength, srcCodepoint);
- dstCodepoint = u_toupper(srcCodepoint);
- U16_APPEND(lpDst, dstIdx, cwDstLength, dstCodepoint, isError);
- assert(isError == FALSE && srcIdx == dstIdx);
- }
- }
- else
- {
- while (srcIdx < cwSrcLength)
- {
- U16_NEXT(lpSrc, srcIdx, cwSrcLength, srcCodepoint);
- dstCodepoint = u_tolower(srcCodepoint);
- U16_APPEND(lpDst, dstIdx, cwDstLength, dstCodepoint, isError);
- assert(isError == FALSE && srcIdx == dstIdx);
- }
- }
+ if (bToUpper)
+ {
+ while (srcIdx < cwSrcLength)
+ {
+ U16_NEXT(lpSrc, srcIdx, cwSrcLength, srcCodepoint);
+ dstCodepoint = u_toupper(srcCodepoint);
+ U16_APPEND(lpDst, dstIdx, cwDstLength, dstCodepoint, isError);
+ assert(isError == FALSE && srcIdx == dstIdx);
+ }
+ }
+ else
+ {
+ while (srcIdx < cwSrcLength)
+ {
+ U16_NEXT(lpSrc, srcIdx, cwSrcLength, srcCodepoint);
+ dstCodepoint = u_tolower(srcCodepoint);
+ U16_APPEND(lpDst, dstIdx, cwDstLength, dstCodepoint, isError);
+ assert(isError == FALSE && srcIdx == dstIdx);
+ }
+ }
}
/*
@@ -65,44 +62,41 @@ Performs upper or lower casing of a string into a new buffer.
Special casing is performed to ensure that invariant casing
matches that of Windows in certain situations, e.g. Turkish i's.
*/
-extern "C" void ChangeCaseInvariant(const UChar* lpSrc,
- int32_t cwSrcLength,
- UChar* lpDst,
- int32_t cwDstLength,
- int32_t bToUpper)
+extern "C" void GlobalizationNative_ChangeCaseInvariant(
+ const UChar* lpSrc, int32_t cwSrcLength, UChar* lpDst, int32_t cwDstLength, int32_t bToUpper)
{
- // See algorithmic comment in ChangeCase.
+ // See algorithmic comment in ChangeCase.
- UBool isError = FALSE;
- int32_t srcIdx = 0, dstIdx = 0;
- UChar32 srcCodepoint, dstCodepoint;
+ UBool isError = FALSE;
+ int32_t srcIdx = 0, dstIdx = 0;
+ UChar32 srcCodepoint, dstCodepoint;
- if (bToUpper)
- {
- while (srcIdx < cwSrcLength)
- {
- // On Windows with InvariantCulture, the LATIN SMALL LETTER DOTLESS I (U+0131)
- // capitalizes to itself, whereas with ICU it capitalizes to LATIN CAPITAL LETTER I (U+0049).
- // We special case it to match the Windows invariant behavior.
- U16_NEXT(lpSrc, srcIdx, cwSrcLength, srcCodepoint);
- dstCodepoint = ((srcCodepoint == (UChar32)0x0131) ? (UChar32)0x0131 : u_toupper(srcCodepoint));
- U16_APPEND(lpDst, dstIdx, cwDstLength, dstCodepoint, isError);
- assert(isError == FALSE && srcIdx == dstIdx);
- }
- }
- else
- {
- while (srcIdx < cwSrcLength)
- {
- // On Windows with InvariantCulture, the LATIN CAPITAL LETTER I WITH DOT ABOVE (U+0130)
- // lower cases to itself, whereas with ICU it lower cases to LATIN SMALL LETTER I (U+0069).
- // We special case it to match the Windows invariant behavior.
- U16_NEXT(lpSrc, srcIdx, cwSrcLength, srcCodepoint);
- dstCodepoint = ((srcCodepoint == (UChar32)0x0130) ? (UChar32)0x0130 : u_tolower(srcCodepoint));
- U16_APPEND(lpDst, dstIdx, cwDstLength, dstCodepoint, isError);
- assert(isError == FALSE && srcIdx == dstIdx);
- }
- }
+ if (bToUpper)
+ {
+ while (srcIdx < cwSrcLength)
+ {
+ // On Windows with InvariantCulture, the LATIN SMALL LETTER DOTLESS I (U+0131)
+ // capitalizes to itself, whereas with ICU it capitalizes to LATIN CAPITAL LETTER I (U+0049).
+ // We special case it to match the Windows invariant behavior.
+ U16_NEXT(lpSrc, srcIdx, cwSrcLength, srcCodepoint);
+ dstCodepoint = ((srcCodepoint == (UChar32)0x0131) ? (UChar32)0x0131 : u_toupper(srcCodepoint));
+ U16_APPEND(lpDst, dstIdx, cwDstLength, dstCodepoint, isError);
+ assert(isError == FALSE && srcIdx == dstIdx);
+ }
+ }
+ else
+ {
+ while (srcIdx < cwSrcLength)
+ {
+ // On Windows with InvariantCulture, the LATIN CAPITAL LETTER I WITH DOT ABOVE (U+0130)
+ // lower cases to itself, whereas with ICU it lower cases to LATIN SMALL LETTER I (U+0069).
+ // We special case it to match the Windows invariant behavior.
+ U16_NEXT(lpSrc, srcIdx, cwSrcLength, srcCodepoint);
+ dstCodepoint = ((srcCodepoint == (UChar32)0x0130) ? (UChar32)0x0130 : u_tolower(srcCodepoint));
+ U16_APPEND(lpDst, dstIdx, cwDstLength, dstCodepoint, isError);
+ assert(isError == FALSE && srcIdx == dstIdx);
+ }
+ }
}
/*
@@ -112,40 +106,37 @@ ChangeCaseTurkish
Performs upper or lower casing of a string into a new buffer, performing special
casing for Turkish.
*/
-extern "C" void ChangeCaseTurkish(const UChar* lpSrc,
- int32_t cwSrcLength,
- UChar* lpDst,
- int32_t cwDstLength,
- int32_t bToUpper)
+extern "C" void GlobalizationNative_ChangeCaseTurkish(
+ const UChar* lpSrc, int32_t cwSrcLength, UChar* lpDst, int32_t cwDstLength, int32_t bToUpper)
{
- // See algorithmic comment in ChangeCase.
+ // See algorithmic comment in ChangeCase.
- UBool isError = FALSE;
- int32_t srcIdx = 0, dstIdx = 0;
- UChar32 srcCodepoint, dstCodepoint;
+ UBool isError = FALSE;
+ int32_t srcIdx = 0, dstIdx = 0;
+ UChar32 srcCodepoint, dstCodepoint;
- if (bToUpper)
- {
- while (srcIdx < cwSrcLength)
- {
- // In turkish casing, LATIN SMALL LETTER I (U+0069) upper cases to LATIN
- // CAPITAL LETTER I WITH DOT ABOVE (U+0130).
- U16_NEXT(lpSrc, srcIdx, cwSrcLength, srcCodepoint);
- dstCodepoint = ((srcCodepoint == (UChar32)0x0069) ? (UChar32)0x0130 : u_toupper(srcCodepoint));
- U16_APPEND(lpDst, dstIdx, cwDstLength, dstCodepoint, isError);
- assert(isError == FALSE && srcIdx == dstIdx);
- }
- }
- else
- {
- while (srcIdx < cwSrcLength)
- {
- // In turkish casing, LATIN CAPITAL LETTER I (U+0049) lower cases to
- // LATIN SMALL LETTER DOTLESS I (U+0131).
- U16_NEXT(lpSrc, srcIdx, cwSrcLength, srcCodepoint);
- dstCodepoint = ((srcCodepoint == (UChar32)0x0049) ? (UChar32)0x0131 : u_tolower(srcCodepoint));
- U16_APPEND(lpDst, dstIdx, cwDstLength, dstCodepoint, isError);
- assert(isError == FALSE && srcIdx == dstIdx);
- }
- }
+ if (bToUpper)
+ {
+ while (srcIdx < cwSrcLength)
+ {
+ // In turkish casing, LATIN SMALL LETTER I (U+0069) upper cases to LATIN
+ // CAPITAL LETTER I WITH DOT ABOVE (U+0130).
+ U16_NEXT(lpSrc, srcIdx, cwSrcLength, srcCodepoint);
+ dstCodepoint = ((srcCodepoint == (UChar32)0x0069) ? (UChar32)0x0130 : u_toupper(srcCodepoint));
+ U16_APPEND(lpDst, dstIdx, cwDstLength, dstCodepoint, isError);
+ assert(isError == FALSE && srcIdx == dstIdx);
+ }
+ }
+ else
+ {
+ while (srcIdx < cwSrcLength)
+ {
+ // In turkish casing, LATIN CAPITAL LETTER I (U+0049) lower cases to
+ // LATIN SMALL LETTER DOTLESS I (U+0131).
+ U16_NEXT(lpSrc, srcIdx, cwSrcLength, srcCodepoint);
+ dstCodepoint = ((srcCodepoint == (UChar32)0x0049) ? (UChar32)0x0131 : u_tolower(srcCodepoint));
+ U16_APPEND(lpDst, dstIdx, cwDstLength, dstCodepoint, isError);
+ assert(isError == FALSE && srcIdx == dstIdx);
+ }
+ }
}
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