224 lines
8.0 KiB
C++
224 lines
8.0 KiB
C++
// © 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[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);
|
||
}
|
||
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 < 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);
|
||
|
||
gUnicodeSets[OTHER_GROUPING_SEPARATORS] = new UnicodeSet(
|
||
u"['٬‘’＇\\u0020\\u00A0\\u2000-\\u200A\\u202F\\u205F\\u3000]", status);
|
||
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);
|
||
|
||
gUnicodeSets[PERCENT_SIGN] = new UnicodeSet(u"[%٪]", status);
|
||
gUnicodeSets[PERMILLE_SIGN] = new UnicodeSet(u"[‰؉]", status);
|
||
gUnicodeSets[INFINITY_KEY] = new UnicodeSet(u"[∞]", status);
|
||
|
||
U_ASSERT(gUnicodeSets[DOLLAR_SIGN] != nullptr);
|
||
U_ASSERT(gUnicodeSets[POUND_SIGN] != nullptr);
|
||
U_ASSERT(gUnicodeSets[RUPEE_SIGN] != nullptr);
|
||
gUnicodeSets[YEN_SIGN] = new UnicodeSet(u"[¥\\uffe5]", status);
|
||
|
||
gUnicodeSets[DIGITS] = new UnicodeSet(u"[:digit:]", status);
|
||
|
||
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 */
|