1 files changed, 85 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/numparse_validators.cpp b/intl/icu/source/i18n/numparse_validators.cpp
new file mode 100644
index 0000000000..12d3465c4e
--- /dev/null
+++ b/intl/icu/source/i18n/numparse_validators.cpp
@@ -0,0 +1,85 @@
+// © 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 "numparse_types.h"
+#include "numparse_validators.h"
+#include "static_unicode_sets.h"
+
+using namespace icu;
+using namespace icu::numparse;
+using namespace icu::numparse::impl;
+
+
+void RequireAffixValidator::postProcess(ParsedNumber& result) const {
+    if (result.prefix.isBogus() || result.suffix.isBogus()) {
+        // We saw a prefix or a suffix but not both. Fail the parse.
+        result.flags |= FLAG_FAIL;
+    }
+}
+
+UnicodeString RequireAffixValidator::toString() const {
+    return u"<ReqAffix>";
+}
+
+
+void RequireCurrencyValidator::postProcess(ParsedNumber& result) const {
+    if (result.currencyCode[0] == 0) {
+        result.flags |= FLAG_FAIL;
+    }
+}
+
+UnicodeString RequireCurrencyValidator::toString() const {
+    return u"<ReqCurrency>";
+}
+
+
+RequireDecimalSeparatorValidator::RequireDecimalSeparatorValidator(bool patternHasDecimalSeparator)
+        : fPatternHasDecimalSeparator(patternHasDecimalSeparator) {
+}
+
+void RequireDecimalSeparatorValidator::postProcess(ParsedNumber& result) const {
+    bool parseHasDecimalSeparator = 0 != (result.flags & FLAG_HAS_DECIMAL_SEPARATOR);
+    if (parseHasDecimalSeparator != fPatternHasDecimalSeparator) {
+        result.flags |= FLAG_FAIL;
+    }
+}
+
+UnicodeString RequireDecimalSeparatorValidator::toString() const {
+    return u"<ReqDecimal>";
+}
+
+
+void RequireNumberValidator::postProcess(ParsedNumber& result) const {
+    // Require that a number is matched.
+    if (!result.seenNumber()) {
+        result.flags |= FLAG_FAIL;
+    }
+}
+
+UnicodeString RequireNumberValidator::toString() const {
+    return u"<ReqNumber>";
+}
+
+MultiplierParseHandler::MultiplierParseHandler(::icu::number::Scale multiplier)
+        : fMultiplier(std::move(multiplier)) {}
+
+void MultiplierParseHandler::postProcess(ParsedNumber& result) const {
+    if (!result.quantity.bogus) {
+        fMultiplier.applyReciprocalTo(result.quantity);
+        // NOTE: It is okay if the multiplier was negative.
+    }
+}
+
+UnicodeString MultiplierParseHandler::toString() const {
+    return u"<Scale>";
+}
+
+#endif /* #if !UCONFIG_NO_FORMATTING */