1 files changed, 95 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/numparse_validators.h b/intl/icu/source/i18n/numparse_validators.h
new file mode 100644
index 0000000000..9bb4b482b5
--- /dev/null
+++ b/intl/icu/source/i18n/numparse_validators.h
@@ -0,0 +1,95 @@
+// © 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
+#ifndef __SOURCE_NUMPARSE_VALIDATORS_H__
+#define __SOURCE_NUMPARSE_VALIDATORS_H__
+
+#include "numparse_types.h"
+#include "static_unicode_sets.h"
+
+U_NAMESPACE_BEGIN namespace numparse {
+namespace impl {
+
+
+class ValidationMatcher : public NumberParseMatcher {
+  public:
+    bool match(StringSegment&, ParsedNumber&, UErrorCode&) const override {
+        // No-op
+        return false;
+    }
+
+    bool smokeTest(const StringSegment&) const override {
+        // No-op
+        return false;
+    }
+
+    void postProcess(ParsedNumber& result) const override = 0;
+};
+
+
+class RequireAffixValidator : public ValidationMatcher, public UMemory {
+  public:
+    void postProcess(ParsedNumber& result) const override;
+
+    UnicodeString toString() const override;
+};
+
+
+class RequireCurrencyValidator : public ValidationMatcher, public UMemory {
+  public:
+    void postProcess(ParsedNumber& result) const override;
+
+    UnicodeString toString() const override;
+};
+
+
+class RequireDecimalSeparatorValidator : public ValidationMatcher, public UMemory {
+  public:
+    RequireDecimalSeparatorValidator() = default;  // leaves instance in valid but undefined state
+
+    RequireDecimalSeparatorValidator(bool patternHasDecimalSeparator);
+
+    void postProcess(ParsedNumber& result) const override;
+
+    UnicodeString toString() const override;
+
+  private:
+    bool fPatternHasDecimalSeparator;
+};
+
+
+class RequireNumberValidator : public ValidationMatcher, public UMemory {
+  public:
+    void postProcess(ParsedNumber& result) const override;
+
+    UnicodeString toString() const override;
+};
+
+
+/**
+ * Wraps a {@link Multiplier} for use in the number parsing pipeline.
+ */
+class MultiplierParseHandler : public ValidationMatcher, public UMemory {
+  public:
+    MultiplierParseHandler() = default;  // leaves instance in valid but undefined state
+
+    MultiplierParseHandler(::icu::number::Scale multiplier);
+
+    void postProcess(ParsedNumber& result) const override;
+
+    UnicodeString toString() const override;
+
+  private:
+    ::icu::number::Scale fMultiplier;
+};
+
+
+} // namespace impl
+} // namespace numparse
+U_NAMESPACE_END
+
+#endif //__SOURCE_NUMPARSE_VALIDATORS_H__
+#endif /* #if !UCONFIG_NO_FORMATTING */