#include "unicode/utypes.h"
#include "unicode/uchar.h"
+#include "unicode/ucptrie.h"
+#include "unicode/udata.h"
#include "unicode/unorm2.h"
#include "unicode/uscript.h"
#include "unicode/ustring.h"
#include "cstring.h"
+#include "mutex.h"
#include "normalizer2impl.h"
#include "umutex.h"
#include "ubidi_props.h"
#include "uprops.h"
#include "ucase.h"
+#include "ucln_cmn.h"
+#include "ulayout_props.h"
#include "ustr_imp.h"
U_NAMESPACE_USE
+// Unicode text layout properties data -----------------------------------------
+
+namespace {
+
+icu::UInitOnce gLayoutInitOnce = U_INITONCE_INITIALIZER;
+UDataMemory *gLayoutMemory = nullptr;
+
+UCPTrie *gInpcTrie = nullptr; // Indic_Positional_Category
+UCPTrie *gInscTrie = nullptr; // Indic_Syllabic_Category
+UCPTrie *gVoTrie = nullptr; // Vertical_Orientation
+
+int32_t gMaxInpcValue = 0;
+int32_t gMaxInscValue = 0;
+int32_t gMaxVoValue = 0;
+
+UBool U_CALLCONV uprops_cleanup() {
+ udata_close(gLayoutMemory);
+ gLayoutMemory = nullptr;
+
+ ucptrie_close(gInpcTrie);
+ gInpcTrie = nullptr;
+ ucptrie_close(gInscTrie);
+ gInscTrie = nullptr;
+ ucptrie_close(gVoTrie);
+ gVoTrie = nullptr;
+
+ gMaxInpcValue = 0;
+ gMaxInscValue = 0;
+ gMaxVoValue = 0;
+
+ gLayoutInitOnce.reset();
+ return TRUE;
+}
+
+UBool U_CALLCONV
+ulayout_isAcceptable(void * /*context*/,
+ const char * /* type */, const char * /*name*/,
+ const UDataInfo *pInfo) {
+ return pInfo->size >= 20 &&
+ pInfo->isBigEndian == U_IS_BIG_ENDIAN &&
+ pInfo->charsetFamily == U_CHARSET_FAMILY &&
+ pInfo->dataFormat[0] == ULAYOUT_FMT_0 &&
+ pInfo->dataFormat[1] == ULAYOUT_FMT_1 &&
+ pInfo->dataFormat[2] == ULAYOUT_FMT_2 &&
+ pInfo->dataFormat[3] == ULAYOUT_FMT_3 &&
+ pInfo->formatVersion[0] == 1;
+}
+
+// UInitOnce singleton initialization function
+void U_CALLCONV ulayout_load(UErrorCode &errorCode) {
+ gLayoutMemory = udata_openChoice(
+ nullptr, ULAYOUT_DATA_TYPE, ULAYOUT_DATA_NAME,
+ ulayout_isAcceptable, nullptr, &errorCode);
+ if (U_FAILURE(errorCode)) { return; }
+
+ const uint8_t *inBytes = (const uint8_t *)udata_getMemory(gLayoutMemory);
+ const int32_t *inIndexes = (const int32_t *)inBytes;
+ int32_t indexesLength = inIndexes[ULAYOUT_IX_INDEXES_LENGTH];
+ if (indexesLength < 12) {
+ errorCode = U_INVALID_FORMAT_ERROR; // Not enough indexes.
+ return;
+ }
+ int32_t offset = indexesLength * 4;
+ int32_t top = inIndexes[ULAYOUT_IX_INPC_TRIE_TOP];
+ int32_t trieSize = top - offset;
+ if (trieSize >= 16) {
+ gInpcTrie = ucptrie_openFromBinary(
+ UCPTRIE_TYPE_ANY, UCPTRIE_VALUE_BITS_ANY,
+ inBytes + offset, trieSize, nullptr, &errorCode);
+ }
+ offset = top;
+ top = inIndexes[ULAYOUT_IX_INSC_TRIE_TOP];
+ trieSize = top - offset;
+ if (trieSize >= 16) {
+ gInscTrie = ucptrie_openFromBinary(
+ UCPTRIE_TYPE_ANY, UCPTRIE_VALUE_BITS_ANY,
+ inBytes + offset, trieSize, nullptr, &errorCode);
+ }
+ offset = top;
+ top = inIndexes[ULAYOUT_IX_VO_TRIE_TOP];
+ trieSize = top - offset;
+ if (trieSize >= 16) {
+ gVoTrie = ucptrie_openFromBinary(
+ UCPTRIE_TYPE_ANY, UCPTRIE_VALUE_BITS_ANY,
+ inBytes + offset, trieSize, nullptr, &errorCode);
+ }
+
+ uint32_t maxValues = inIndexes[ULAYOUT_IX_MAX_VALUES];
+ gMaxInpcValue = maxValues >> ULAYOUT_MAX_INPC_SHIFT;
+ gMaxInscValue = (maxValues >> ULAYOUT_MAX_INSC_SHIFT) & 0xff;
+ gMaxVoValue = (maxValues >> ULAYOUT_MAX_VO_SHIFT) & 0xff;
+
+ ucln_common_registerCleanup(UCLN_COMMON_UPROPS, uprops_cleanup);
+}
+
+UBool ulayout_ensureData(UErrorCode &errorCode) {
+ if (U_FAILURE(errorCode)) { return FALSE; }
+ umtx_initOnce(gLayoutInitOnce, &ulayout_load, errorCode);
+ return U_SUCCESS(errorCode);
+}
+
+UBool ulayout_ensureData() {
+ UErrorCode errorCode = U_ZERO_ERROR;
+ return ulayout_ensureData(errorCode);
+}
+
+} // namespace
+
/* general properties API functions ----------------------------------------- */
struct BinaryProperty;
}
static UBool caseBinaryPropertyContains(const BinaryProperty &/*prop*/, UChar32 c, UProperty which) {
- return ucase_hasBinaryProperty(c, which);
+ return static_cast<UBool>(ucase_hasBinaryProperty(c, which));
}
static UBool isBidiControl(const BinaryProperty &/*prop*/, UChar32 c, UProperty /*which*/) {
}
#endif
+static int32_t getInPC(const IntProperty &, UChar32 c, UProperty) {
+ return ulayout_ensureData() && gInpcTrie != nullptr ? ucptrie_get(gInpcTrie, c) : 0;
+}
+
+static int32_t getInSC(const IntProperty &, UChar32 c, UProperty) {
+ return ulayout_ensureData() && gInscTrie != nullptr ? ucptrie_get(gInscTrie, c) : 0;
+}
+
+static int32_t getVo(const IntProperty &, UChar32 c, UProperty) {
+ return ulayout_ensureData() && gVoTrie != nullptr ? ucptrie_get(gVoTrie, c) : 0;
+}
+
+static int32_t layoutGetMaxValue(const IntProperty &/*prop*/, UProperty which) {
+ if (!ulayout_ensureData()) { return 0; }
+ switch (which) {
+ case UCHAR_INDIC_POSITIONAL_CATEGORY:
+ return gMaxInpcValue;
+ case UCHAR_INDIC_SYLLABIC_CATEGORY:
+ return gMaxInscValue;
+ case UCHAR_VERTICAL_ORIENTATION:
+ return gMaxVoValue;
+ default:
+ return 0;
+ }
+}
+
static const IntProperty intProps[UCHAR_INT_LIMIT-UCHAR_INT_START]={
/*
* column, mask and shift values for int-value properties from u_getUnicodeProperties().
{ 2, UPROPS_SB_MASK, UPROPS_SB_SHIFT, defaultGetValue, defaultGetMaxValue },
{ 2, UPROPS_WB_MASK, UPROPS_WB_SHIFT, defaultGetValue, defaultGetMaxValue },
{ UPROPS_SRC_BIDI, 0, 0, getBiDiPairedBracketType, biDiGetMaxValue },
+ { UPROPS_SRC_INPC, 0, 0, getInPC, layoutGetMaxValue },
+ { UPROPS_SRC_INSC, 0, 0, getInSC, layoutGetMaxValue },
+ { UPROPS_SRC_VO, 0, 0, getVo, layoutGetMaxValue },
};
U_CAPI int32_t U_EXPORT2
}
}
+U_CFUNC void U_EXPORT2
+uprops_addPropertyStarts(UPropertySource src, const USetAdder *sa, UErrorCode *pErrorCode) {
+ if (!ulayout_ensureData(*pErrorCode)) { return; }
+ const UCPTrie *trie;
+ switch (src) {
+ case UPROPS_SRC_INPC:
+ trie = gInpcTrie;
+ break;
+ case UPROPS_SRC_INSC:
+ trie = gInscTrie;
+ break;
+ case UPROPS_SRC_VO:
+ trie = gVoTrie;
+ break;
+ default:
+ *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
+ return;
+ }
+
+ if (trie == nullptr) {
+ *pErrorCode = U_MISSING_RESOURCE_ERROR;
+ return;
+ }
+
+ // Add the start code point of each same-value range of the trie.
+ UChar32 start = 0, end;
+ while ((end = ucptrie_getRange(trie, start, UCPMAP_RANGE_NORMAL, 0,
+ nullptr, nullptr, nullptr)) >= 0) {
+ sa->add(sa->set, start);
+ start = end + 1;
+ }
+}
+
#if !UCONFIG_NO_NORMALIZATION
U_CAPI int32_t U_EXPORT2
projects / apple / icu.git / blobdiff