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The Tor Browser
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numparse_validators.h (2330B)

      1 // © 2018 and later: Unicode, Inc. and others.
      2 // License & terms of use: http://www.unicode.org/copyright.html
      3 
      4 #include "unicode/utypes.h"
      5 
      6 #if !UCONFIG_NO_FORMATTING
      7 #ifndef __SOURCE_NUMPARSE_VALIDATORS_H__
      8 #define __SOURCE_NUMPARSE_VALIDATORS_H__
      9 
     10 #include "numparse_types.h"
     11 #include "static_unicode_sets.h"
     12 
     13 U_NAMESPACE_BEGIN
     14 namespace numparse::impl {
     15 
     16 class ValidationMatcher : public NumberParseMatcher {
     17  public:
     18    bool match(StringSegment&, ParsedNumber&, UErrorCode&) const override {
     19        // No-op
     20        return false;
     21    }
     22 
     23    bool smokeTest(const StringSegment&) const override {
     24        // No-op
     25        return false;
     26    }
     27 
     28    void postProcess(ParsedNumber& result) const override = 0;
     29 };
     30 
     31 
     32 class RequireAffixValidator : public ValidationMatcher, public UMemory {
     33  public:
     34    void postProcess(ParsedNumber& result) const override;
     35 
     36    UnicodeString toString() const override;
     37 };
     38 
     39 
     40 class RequireCurrencyValidator : public ValidationMatcher, public UMemory {
     41  public:
     42    void postProcess(ParsedNumber& result) const override;
     43 
     44    UnicodeString toString() const override;
     45 };
     46 
     47 
     48 class RequireDecimalSeparatorValidator : public ValidationMatcher, public UMemory {
     49  public:
     50    RequireDecimalSeparatorValidator() = default;  // leaves instance in valid but undefined state
     51 
     52    RequireDecimalSeparatorValidator(bool patternHasDecimalSeparator);
     53 
     54    void postProcess(ParsedNumber& result) const override;
     55 
     56    UnicodeString toString() const override;
     57 
     58  private:
     59    bool fPatternHasDecimalSeparator;
     60 };
     61 
     62 
     63 class RequireNumberValidator : public ValidationMatcher, public UMemory {
     64  public:
     65    void postProcess(ParsedNumber& result) const override;
     66 
     67    UnicodeString toString() const override;
     68 };
     69 
     70 
     71 /**
     72 * Wraps a {@link Multiplier} for use in the number parsing pipeline.
     73 */
     74 class MultiplierParseHandler : public ValidationMatcher, public UMemory {
     75  public:
     76    MultiplierParseHandler() = default;  // leaves instance in valid but undefined state
     77 
     78    MultiplierParseHandler(::icu::number::Scale multiplier);
     79 
     80    void postProcess(ParsedNumber& result) const override;
     81 
     82    UnicodeString toString() const override;
     83 
     84  private:
     85    ::icu::number::Scale fMultiplier;
     86 };
     87 
     88 } // namespace numparse::impl
     89 U_NAMESPACE_END
     90 
     91 #endif //__SOURCE_NUMPARSE_VALIDATORS_H__
     92 #endif /* #if !UCONFIG_NO_FORMATTING */