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 namespace numparse {
14 namespace impl {
15 
16 
17 class ValidationMatcher : public NumberParseMatcher {
18   public:
match(StringSegment &,ParsedNumber &,UErrorCode &)19     bool match(StringSegment&, ParsedNumber&, UErrorCode&) const U_OVERRIDE {
20         // No-op
21         return false;
22     }
23 
smokeTest(const StringSegment &)24     bool smokeTest(const StringSegment&) const U_OVERRIDE {
25         // No-op
26         return false;
27     }
28 
29     void postProcess(ParsedNumber& result) const U_OVERRIDE = 0;
30 };
31 
32 
33 class RequireAffixValidator : public ValidationMatcher, public UMemory {
34   public:
35     void postProcess(ParsedNumber& result) const U_OVERRIDE;
36 
37     UnicodeString toString() const U_OVERRIDE;
38 };
39 
40 
41 class RequireCurrencyValidator : public ValidationMatcher, public UMemory {
42   public:
43     void postProcess(ParsedNumber& result) const U_OVERRIDE;
44 
45     UnicodeString toString() const U_OVERRIDE;
46 };
47 
48 
49 class RequireDecimalSeparatorValidator : public ValidationMatcher, public UMemory {
50   public:
51     RequireDecimalSeparatorValidator() = default;  // leaves instance in valid but undefined state
52 
53     RequireDecimalSeparatorValidator(bool patternHasDecimalSeparator);
54 
55     void postProcess(ParsedNumber& result) const U_OVERRIDE;
56 
57     UnicodeString toString() const U_OVERRIDE;
58 
59   private:
60     bool fPatternHasDecimalSeparator;
61 };
62 
63 
64 class RequireNumberValidator : public ValidationMatcher, public UMemory {
65   public:
66     void postProcess(ParsedNumber& result) const U_OVERRIDE;
67 
68     UnicodeString toString() const U_OVERRIDE;
69 };
70 
71 
72 /**
73  * Wraps a {@link Multiplier} for use in the number parsing pipeline.
74  */
75 class MultiplierParseHandler : public ValidationMatcher, public UMemory {
76   public:
77     MultiplierParseHandler() = default;  // leaves instance in valid but undefined state
78 
79     MultiplierParseHandler(::icu::number::Scale multiplier);
80 
81     void postProcess(ParsedNumber& result) const U_OVERRIDE;
82 
83     UnicodeString toString() const U_OVERRIDE;
84 
85   private:
86     ::icu::number::Scale fMultiplier;
87 };
88 
89 
90 } // namespace impl
91 } // namespace numparse
92 U_NAMESPACE_END
93 
94 #endif //__SOURCE_NUMPARSE_VALIDATORS_H__
95 #endif /* #if !UCONFIG_NO_FORMATTING */
96