ICU 64.2: formattedvalue.h Source File

00001 // © 2018 and later: Unicode, Inc. and others.
00002 // License & terms of use: http://www.unicode.org/copyright.html
00003 
00004 #ifndef __FORMATTEDVALUE_H__
00005 #define __FORMATTEDVALUE_H__
00006 
00007 #include "unicode/utypes.h"
00008 #if !UCONFIG_NO_FORMATTING
00009 #ifndef U_HIDE_DRAFT_API
00010 
00011 #include "unicode/appendable.h"
00012 #include "unicode/fpositer.h"
00013 #include "unicode/unistr.h"
00014 #include "unicode/uformattedvalue.h"
00015 
00016 U_NAMESPACE_BEGIN
00017 
00040 class U_I18N_API ConstrainedFieldPosition : public UMemory {
00041   public:
00042 
00050     ConstrainedFieldPosition();
00051 
00053     ~ConstrainedFieldPosition();
00054 
00063     void reset();
00064 
00087     void constrainCategory(int32_t category);
00088 
00112     void constrainField(int32_t category, int32_t field);
00113 
00123     inline int32_t getCategory() const {
00124         return fCategory;
00125     }
00126 
00136     inline int32_t getField() const {
00137         return fField;
00138     }
00139 
00148     inline int32_t getStart() const {
00149         return fStart;
00150     }
00151 
00160     inline int32_t getLimit() const {
00161         return fLimit;
00162     }
00163 
00168 
00179     inline int64_t getInt64IterationContext() const {
00180         return fContext;
00181     }
00182 
00191     void setInt64IterationContext(int64_t context);
00192 
00203     UBool matchesField(int32_t category, int32_t field) const;
00204 
00219     void setState(
00220         int32_t category,
00221         int32_t field,
00222         int32_t start,
00223         int32_t limit);
00224 
00225   private:
00226     int64_t fContext = 0LL;
00227     int32_t fField = 0;
00228     int32_t fStart = 0;
00229     int32_t fLimit = 0;
00230     int32_t fCategory = UFIELD_CATEGORY_UNDEFINED;
00231     int8_t fConstraint = 0;
00232 };
00233 
00234 
00241 class U_I18N_API FormattedValue /* not : public UObject because this is an interface/mixin class */ {
00242   public:
00244     virtual ~FormattedValue();
00245 
00256     virtual UnicodeString toString(UErrorCode& status) const = 0;
00257 
00272     virtual UnicodeString toTempString(UErrorCode& status) const = 0;
00273 
00285     virtual Appendable& appendTo(Appendable& appendable, UErrorCode& status) const = 0;
00286 
00309     virtual UBool nextPosition(ConstrainedFieldPosition& cfpos, UErrorCode& status) const = 0;
00310 };
00311 
00312 
00313 U_NAMESPACE_END
00314 
00315 #endif  /* U_HIDE_DRAFT_API */
00316 #endif /* #if !UCONFIG_NO_FORMATTING */
00317 #endif // __FORMATTEDVALUE_H__