You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
174 lines
4.7 KiB
174 lines
4.7 KiB
// © 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(parse_flags_t parseFlags);
|
|
|
|
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 */
|