1 files changed, 173 insertions, 0 deletions
diff --git a/deps/icu-small/source/i18n/numparse_symbols.h b/deps/icu-small/source/i18n/numparse_symbols.h
new file mode 100644
index 0000000000..8912ee95b0
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+++ b/deps/icu-small/source/i18n/numparse_symbols.h
@@ -0,0 +1,173 @@
+// © 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 __NUMPARSE_SYMBOLS_H__
+#define __NUMPARSE_SYMBOLS_H__
+
+#include "numparse_types.h"
+#include "unicode/uniset.h"
+#include "static_unicode_sets.h"
+
+U_NAMESPACE_BEGIN namespace numparse {
+namespace impl {
+
+
+/**
+ * A base class for many matchers that performs a simple match against a UnicodeString and/or UnicodeSet.
+ *
+ * @author sffc
+ */
+// Exported as U_I18N_API for tests
+class U_I18N_API SymbolMatcher : public NumberParseMatcher, public UMemory {
+  public:
+    SymbolMatcher() = default;  // WARNING: Leaves the object in an unusable state
+
+    const UnicodeSet* getSet() const;
+
+    bool match(StringSegment& segment, ParsedNumber& result, UErrorCode& status) const override;
+
+    bool smokeTest(const StringSegment& segment) const override;
+
+    UnicodeString toString() const override;
+
+    virtual bool isDisabled(const ParsedNumber& result) const = 0;
+
+    virtual void accept(StringSegment& segment, ParsedNumber& result) const = 0;
+
+  protected:
+    UnicodeString fString;
+    const UnicodeSet* fUniSet; // a reference from numparse_unisets.h; never owned
+
+    SymbolMatcher(const UnicodeString& symbolString, unisets::Key key);
+};
+
+
+// Exported as U_I18N_API for tests
+class U_I18N_API IgnorablesMatcher : public SymbolMatcher {
+  public:
+    IgnorablesMatcher() = default;  // WARNING: Leaves the object in an unusable state
+
+    IgnorablesMatcher(unisets::Key key);
+
+    bool isFlexible() const override;
+
+    UnicodeString toString() const override;
+
+  protected:
+    bool isDisabled(const ParsedNumber& result) const override;
+
+    void accept(StringSegment& segment, ParsedNumber& result) const override;
+};
+
+
+class InfinityMatcher : public SymbolMatcher {
+  public:
+    InfinityMatcher() = default;  // WARNING: Leaves the object in an unusable state
+
+    InfinityMatcher(const DecimalFormatSymbols& dfs);
+
+  protected:
+    bool isDisabled(const ParsedNumber& result) const override;
+
+    void accept(StringSegment& segment, ParsedNumber& result) const override;
+};
+
+
+// Exported as U_I18N_API for tests
+class U_I18N_API MinusSignMatcher : public SymbolMatcher {
+  public:
+    MinusSignMatcher() = default;  // WARNING: Leaves the object in an unusable state
+
+    MinusSignMatcher(const DecimalFormatSymbols& dfs, bool allowTrailing);
+
+  protected:
+    bool isDisabled(const ParsedNumber& result) const override;
+
+    void accept(StringSegment& segment, ParsedNumber& result) const override;
+
+  private:
+    bool fAllowTrailing;
+};
+
+
+class NanMatcher : public SymbolMatcher {
+  public:
+    NanMatcher() = default;  // WARNING: Leaves the object in an unusable state
+
+    NanMatcher(const DecimalFormatSymbols& dfs);
+
+  protected:
+    bool isDisabled(const ParsedNumber& result) const override;
+
+    void accept(StringSegment& segment, ParsedNumber& result) const override;
+};
+
+
+class PaddingMatcher : public SymbolMatcher {
+  public:
+    PaddingMatcher() = default;  // WARNING: Leaves the object in an unusable state
+
+    PaddingMatcher(const UnicodeString& padString);
+
+    bool isFlexible() const override;
+
+  protected:
+    bool isDisabled(const ParsedNumber& result) const override;
+
+    void accept(StringSegment& segment, ParsedNumber& result) const override;
+};
+
+
+// Exported as U_I18N_API for tests
+class U_I18N_API PercentMatcher : public SymbolMatcher {
+  public:
+    PercentMatcher() = default;  // WARNING: Leaves the object in an unusable state
+
+    PercentMatcher(const DecimalFormatSymbols& dfs);
+
+  protected:
+    bool isDisabled(const ParsedNumber& result) const override;
+
+    void accept(StringSegment& segment, ParsedNumber& result) const override;
+};
+
+// Exported as U_I18N_API for tests
+class U_I18N_API PermilleMatcher : public SymbolMatcher {
+  public:
+    PermilleMatcher() = default;  // WARNING: Leaves the object in an unusable state
+
+    PermilleMatcher(const DecimalFormatSymbols& dfs);
+
+  protected:
+    bool isDisabled(const ParsedNumber& result) const override;
+
+    void accept(StringSegment& segment, ParsedNumber& result) const override;
+};
+
+
+// Exported as U_I18N_API for tests
+class U_I18N_API PlusSignMatcher : public SymbolMatcher {
+  public:
+    PlusSignMatcher() = default;  // WARNING: Leaves the object in an unusable state
+
+    PlusSignMatcher(const DecimalFormatSymbols& dfs, bool allowTrailing);
+
+  protected:
+    bool isDisabled(const ParsedNumber& result) const override;
+
+    void accept(StringSegment& segment, ParsedNumber& result) const override;
+
+  private:
+    bool fAllowTrailing;
+};
+
+
+} // namespace impl
+} // namespace numparse
+U_NAMESPACE_END
+
+#endif //__NUMPARSE_SYMBOLS_H__
+#endif /* #if !UCONFIG_NO_FORMATTING */