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// © 2018 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
// Allow implicit conversion from char16_t* to UnicodeString for this file:
// Helpful in toString methods and elsewhere.
#define UNISTR_FROM_STRING_EXPLICIT
#include "static_unicode_sets.h"
#include "umutex.h"
#include "ucln_cmn.h"
#include "unicode/uniset.h"
#include "uresimp.h"
#include "cstring.h"
#include "uassert.h"
using namespace icu;
using namespace icu::unisets;
namespace {
UnicodeSet* gUnicodeSets[UNISETS_KEY_COUNT] = {};
// Save the empty instance in static memory to have well-defined behavior if a
// regular UnicodeSet cannot be allocated.
alignas(UnicodeSet)
char gEmptyUnicodeSet[sizeof(UnicodeSet)];
// Whether the gEmptyUnicodeSet is initialized and ready to use.
UBool gEmptyUnicodeSetInitialized = FALSE;
inline UnicodeSet* getImpl(Key key) {
UnicodeSet* candidate = gUnicodeSets[key];
if (candidate == nullptr) {
return reinterpret_cast<UnicodeSet*>(gEmptyUnicodeSet);
}
return candidate;
}
UnicodeSet* computeUnion(Key k1, Key k2) {
UnicodeSet* result = new UnicodeSet();
if (result == nullptr) {
return nullptr;
}
result->addAll(*getImpl(k1));
result->addAll(*getImpl(k2));
result->freeze();
return result;
}
UnicodeSet* computeUnion(Key k1, Key k2, Key k3) {
UnicodeSet* result = new UnicodeSet();
if (result == nullptr) {
return nullptr;
}
result->addAll(*getImpl(k1));
result->addAll(*getImpl(k2));
result->addAll(*getImpl(k3));
result->freeze();
return result;
}
void saveSet(Key key, const UnicodeString& unicodeSetPattern, UErrorCode& status) {
// assert unicodeSets.get(key) == null;
gUnicodeSets[key] = new UnicodeSet(unicodeSetPattern, status);
}
class ParseDataSink : public ResourceSink {
public:
void put(const char* key, ResourceValue& value, UBool /*noFallback*/, UErrorCode& status) U_OVERRIDE {
ResourceTable contextsTable = value.getTable(status);
if (U_FAILURE(status)) { return; }
for (int i = 0; contextsTable.getKeyAndValue(i, key, value); i++) {
if (uprv_strcmp(key, "date") == 0) {
// ignore
} else {
ResourceTable strictnessTable = value.getTable(status);
if (U_FAILURE(status)) { return; }
for (int j = 0; strictnessTable.getKeyAndValue(j, key, value); j++) {
bool isLenient = (uprv_strcmp(key, "lenient") == 0);
ResourceArray array = value.getArray(status);
if (U_FAILURE(status)) { return; }
for (int k = 0; k < array.getSize(); k++) {
array.getValue(k, value);
UnicodeString str = value.getUnicodeString(status);
if (U_FAILURE(status)) { return; }
// There is both lenient and strict data for comma/period,
// but not for any of the other symbols.
if (str.indexOf(u'.') != -1) {
saveSet(isLenient ? PERIOD : STRICT_PERIOD, str, status);
} else if (str.indexOf(u',') != -1) {
saveSet(isLenient ? COMMA : STRICT_COMMA, str, status);
} else if (str.indexOf(u'+') != -1) {
saveSet(PLUS_SIGN, str, status);
} else if (str.indexOf(u'-') != -1) {
saveSet(MINUS_SIGN, str, status);
} else if (str.indexOf(u'$') != -1) {
saveSet(DOLLAR_SIGN, str, status);
} else if (str.indexOf(u'£') != -1) {
saveSet(POUND_SIGN, str, status);
} else if (str.indexOf(u'₹') != -1) {
saveSet(RUPEE_SIGN, str, status);
} else if (str.indexOf(u'¥') != -1) {
saveSet(YEN_SIGN, str, status);
} else if (str.indexOf(u'₩') != -1) {
saveSet(WON_SIGN, str, status);
} else if (str.indexOf(u'%') != -1) {
saveSet(PERCENT_SIGN, str, status);
} else if (str.indexOf(u'‰') != -1) {
saveSet(PERMILLE_SIGN, str, status);
} else if (str.indexOf(u'’') != -1) {
saveSet(APOSTROPHE_SIGN, str, status);
} else {
// Unknown class of parse lenients
// TODO(ICU-20428): Make ICU automatically accept new classes?
U_ASSERT(FALSE);
}
if (U_FAILURE(status)) { return; }
}
}
}
}
}
};
icu::UInitOnce gNumberParseUniSetsInitOnce = U_INITONCE_INITIALIZER;
UBool U_CALLCONV cleanupNumberParseUniSets() {
if (gEmptyUnicodeSetInitialized) {
reinterpret_cast<UnicodeSet*>(gEmptyUnicodeSet)->~UnicodeSet();
gEmptyUnicodeSetInitialized = FALSE;
}
for (int32_t i = 0; i < UNISETS_KEY_COUNT; i++) {
delete gUnicodeSets[i];
gUnicodeSets[i] = nullptr;
}
gNumberParseUniSetsInitOnce.reset();
return TRUE;
}
void U_CALLCONV initNumberParseUniSets(UErrorCode& status) {
ucln_common_registerCleanup(UCLN_COMMON_NUMPARSE_UNISETS, cleanupNumberParseUniSets);
// Initialize the empty instance for well-defined fallback behavior
new(gEmptyUnicodeSet) UnicodeSet();
reinterpret_cast<UnicodeSet*>(gEmptyUnicodeSet)->freeze();
gEmptyUnicodeSetInitialized = TRUE;
// These sets were decided after discussion with icu-design@. See tickets #13084 and #13309.
// Zs+TAB is "horizontal whitespace" according to UTS #18 (blank property).
gUnicodeSets[DEFAULT_IGNORABLES] = new UnicodeSet(
u"[[:Zs:][\\u0009][:Bidi_Control:][:Variation_Selector:]]", status);
gUnicodeSets[STRICT_IGNORABLES] = new UnicodeSet(u"[[:Bidi_Control:]]", status);
LocalUResourceBundlePointer rb(ures_open(nullptr, "root", &status));
if (U_FAILURE(status)) { return; }
ParseDataSink sink;
ures_getAllItemsWithFallback(rb.getAlias(), "parse", sink, status);
if (U_FAILURE(status)) { return; }
// NOTE: It is OK for these assertions to fail if there was a no-data build.
U_ASSERT(gUnicodeSets[COMMA] != nullptr);
U_ASSERT(gUnicodeSets[STRICT_COMMA] != nullptr);
U_ASSERT(gUnicodeSets[PERIOD] != nullptr);
U_ASSERT(gUnicodeSets[STRICT_PERIOD] != nullptr);
U_ASSERT(gUnicodeSets[APOSTROPHE_SIGN] != nullptr);
LocalPointer<UnicodeSet> otherGrouping(new UnicodeSet(
u"[٬‘\\u0020\\u00A0\\u2000-\\u200A\\u202F\\u205F\\u3000]",
status
), status);
if (U_FAILURE(status)) { return; }
otherGrouping->addAll(*gUnicodeSets[APOSTROPHE_SIGN]);
gUnicodeSets[OTHER_GROUPING_SEPARATORS] = otherGrouping.orphan();
gUnicodeSets[ALL_SEPARATORS] = computeUnion(COMMA, PERIOD, OTHER_GROUPING_SEPARATORS);
gUnicodeSets[STRICT_ALL_SEPARATORS] = computeUnion(
STRICT_COMMA, STRICT_PERIOD, OTHER_GROUPING_SEPARATORS);
U_ASSERT(gUnicodeSets[MINUS_SIGN] != nullptr);
U_ASSERT(gUnicodeSets[PLUS_SIGN] != nullptr);
U_ASSERT(gUnicodeSets[PERCENT_SIGN] != nullptr);
U_ASSERT(gUnicodeSets[PERMILLE_SIGN] != nullptr);
gUnicodeSets[INFINITY_SIGN] = new UnicodeSet(u"[∞]", status);
if (U_FAILURE(status)) { return; }
U_ASSERT(gUnicodeSets[DOLLAR_SIGN] != nullptr);
U_ASSERT(gUnicodeSets[POUND_SIGN] != nullptr);
U_ASSERT(gUnicodeSets[RUPEE_SIGN] != nullptr);
U_ASSERT(gUnicodeSets[YEN_SIGN] != nullptr);
U_ASSERT(gUnicodeSets[WON_SIGN] != nullptr);
gUnicodeSets[DIGITS] = new UnicodeSet(u"[:digit:]", status);
if (U_FAILURE(status)) { return; }
gUnicodeSets[DIGITS_OR_ALL_SEPARATORS] = computeUnion(DIGITS, ALL_SEPARATORS);
gUnicodeSets[DIGITS_OR_STRICT_ALL_SEPARATORS] = computeUnion(DIGITS, STRICT_ALL_SEPARATORS);
for (auto* uniset : gUnicodeSets) {
if (uniset != nullptr) {
uniset->freeze();
}
}
}
}
const UnicodeSet* unisets::get(Key key) {
UErrorCode localStatus = U_ZERO_ERROR;
umtx_initOnce(gNumberParseUniSetsInitOnce, &initNumberParseUniSets, localStatus);
if (U_FAILURE(localStatus)) {
return reinterpret_cast<UnicodeSet*>(gEmptyUnicodeSet);
}
return getImpl(key);
}
Key unisets::chooseFrom(UnicodeString str, Key key1) {
return get(key1)->contains(str) ? key1 : NONE;
}
Key unisets::chooseFrom(UnicodeString str, Key key1, Key key2) {
return get(key1)->contains(str) ? key1 : chooseFrom(str, key2);
}
//Key unisets::chooseCurrency(UnicodeString str) {
// if (get(DOLLAR_SIGN)->contains(str)) {
// return DOLLAR_SIGN;
// } else if (get(POUND_SIGN)->contains(str)) {
// return POUND_SIGN;
// } else if (get(RUPEE_SIGN)->contains(str)) {
// return RUPEE_SIGN;
// } else if (get(YEN_SIGN)->contains(str)) {
// return YEN_SIGN;
// } else {
// return NONE;
// }
//}
#endif /* #if !UCONFIG_NO_FORMATTING */
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