| /* |
| ************************************************************************ |
| * Copyright (c) 2007, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| ************************************************************************ |
| */ |
| #ifndef FLDSET_H_ |
| #define FLDSET_H_ |
| |
| #include "unicode/utypes.h" |
| |
| #if !UCONFIG_NO_FORMATTING |
| #include "unicode/calendar.h" |
| #include "unicode/ucal.h" |
| #include "unicode/udat.h" |
| #include "unicode/udbgutil.h" |
| #include "unicode/dbgutil.h" |
| #include "unicode/unistr.h" |
| |
| #define U_FIELDS_SET_MAX 64 |
| |
| class FieldsSet { |
| protected: |
| /** |
| * subclass interface |
| * @param whichEnum which enumaration value goes with this set. Will be used to calculate str values and also enum size. |
| */ |
| FieldsSet(UDebugEnumType whichEnum); |
| |
| /** |
| * subclass interface - no enum tie-in |
| * @param fieldCount how many fields this can hold. |
| */ |
| FieldsSet(int32_t fieldsCount); |
| |
| public: |
| /** |
| * @param other "expected" set to match against |
| * @param status - will return invalid argument if sets are not the same size |
| * @return a formatted string listing which fields are set in |
| * this, with the comparison made agaainst those fields in other. |
| */ |
| UnicodeString diffFrom(const FieldsSet& other, UErrorCode &status) const; |
| |
| public: |
| /** |
| * @param str string to parse |
| * @param status formatted string for status |
| */ |
| int32_t parseFrom(const UnicodeString& str, UErrorCode& status) { return parseFrom(str,NULL,status); } |
| |
| public: |
| int32_t parseFrom(const UnicodeString& str, const FieldsSet& inheritFrom, UErrorCode& status) { return parseFrom(str, &inheritFrom, status); } |
| |
| int32_t parseFrom(const UnicodeString& str, const |
| FieldsSet* inheritFrom, UErrorCode& status); |
| |
| protected: |
| /** |
| * Callback interface for subclass. |
| * This function is called when parsing a field name, such as "MONTH" in "MONTH=4". |
| * Base implementation is to lookup the enum value using udbg_* utilities, or else as an integer if |
| * enum is not available. |
| * |
| * If there is a special directive, the implementer can catch it here and return -1 after special processing completes. |
| * |
| * @param inheritFrom the set inheriting from - may be null. |
| * @param name the field name (key side) |
| * @param substr the string in question (value side) |
| * @param status error status - set to error for failure. |
| * @return field number, or negative if field should be skipped. |
| */ |
| virtual int32_t handleParseName(const FieldsSet* inheritFrom, const UnicodeString& name, const UnicodeString& substr, UErrorCode& status); |
| |
| /** |
| * Callback interface for subclass. |
| * Base implementation is to call parseValueDefault(...) |
| * @param inheritFrom the set inheriting from - may be null. |
| * @param field which field is being parsed |
| * @param substr the string in question (value side) |
| * @param status error status - set to error for failure. |
| * @see parseValueDefault |
| */ |
| virtual void handleParseValue(const FieldsSet* inheritFrom, int32_t field, const UnicodeString& substr, UErrorCode& status); |
| |
| /** |
| * the default implementation for handleParseValue. |
| * Base implementation is to parse a decimal integer value, or inherit from inheritFrom if the string is 0-length. |
| * Implementations of this function should call set(field,...) on successful parse. |
| * @see handleParseValue |
| */ |
| void parseValueDefault(const FieldsSet* inheritFrom, int32_t field, const UnicodeString& substr, UErrorCode& status); |
| |
| |
| /** |
| * convenience implementation for handleParseValue |
| * attempt to load a value from an enum value using udbg_enumByString() |
| * if fails, will call parseValueDefault() |
| * @see handleParseValue |
| */ |
| void parseValueEnum(UDebugEnumType type, const FieldsSet* inheritFrom, int32_t field, const UnicodeString& substr, UErrorCode& status); |
| |
| private: |
| FieldsSet(); |
| |
| void construct(UDebugEnumType whichEnum, int32_t fieldCount); |
| |
| public: |
| virtual ~FieldsSet(); |
| |
| void clear(); |
| void clear(int32_t field); |
| void set(int32_t field, int32_t amount); |
| UBool isSet(int32_t field) const; |
| int32_t get(int32_t field) const; |
| |
| UBool isSameType(const FieldsSet& other) const; |
| int32_t fieldCount() const; |
| |
| |
| protected: |
| int32_t fValue[U_FIELDS_SET_MAX]; |
| UBool fIsSet[U_FIELDS_SET_MAX]; |
| protected: |
| int32_t fFieldCount; |
| UDebugEnumType fEnum; |
| }; |
| |
| /** ------- Calendar Fields Set -------- **/ |
| class CalendarFieldsSet : public FieldsSet { |
| public: |
| CalendarFieldsSet(); |
| virtual ~CalendarFieldsSet(); |
| |
| // void clear(UCalendarDateFields field) { clear((int32_t)field); } |
| // void set(UCalendarDateFields field, int32_t amount) { set ((int32_t)field, amount); } |
| |
| // UBool isSet(UCalendarDateFields field) const { return isSet((int32_t)field); } |
| // int32_t get(UCalendarDateFields field) const { return get((int32_t)field); } |
| |
| /** |
| * @param matches fillin to hold any fields different. Will have the calendar's value set on them. |
| * @return true if the calendar matches in these fields. |
| */ |
| UBool matches(Calendar *cal, CalendarFieldsSet &diffSet, |
| UErrorCode& status) const; |
| |
| /** |
| * set the specified fields on this calendar. Doesn't clear first. Returns any errors the cale |
| */ |
| void setOnCalendar(Calendar *cal, UErrorCode& status) const; |
| |
| |
| protected: |
| void handleParseValue(const FieldsSet* inheritFrom, int32_t field, const UnicodeString& substr, UErrorCode& status); |
| }; |
| |
| /** |
| * This class simply implements a set of date and time styles |
| * such as DATE=SHORT or TIME=SHORT,DATE=LONG |
| */ |
| class DateTimeStyleSet : public FieldsSet { |
| public: |
| DateTimeStyleSet(); |
| virtual ~DateTimeStyleSet(); |
| |
| |
| /** |
| * @return the date style, or UDAT_NONE if not set |
| */ |
| UDateFormatStyle getDateStyle() const; |
| |
| /** |
| * @return the time style, or UDAT_NONE if not set |
| */ |
| UDateFormatStyle getTimeStyle() const; |
| |
| |
| protected: |
| void handleParseValue(const FieldsSet* inheritFrom, int32_t field, const UnicodeString& substr, UErrorCode& status); |
| int32_t handleParseName(const FieldsSet* inheritFrom, const UnicodeString& name, const UnicodeString& substr, UErrorCode& status); |
| }; |
| |
| |
| #endif /*!UCONFIG_NO_FORMAT*/ |
| #endif /*FLDSET_H_*/ |