Implement a formatter for relative dates.

Signed-off-by: Adrien Destugues <[email protected]> It can give results such as "in 2 hours", "2 days ago", etc. This is different from BDurationFormat which will just say "1 hour, 2 minute and 36 seconds"
2017-08-25 21:14:27 +02:00
parent 31e6a56fb3
commit 1e4ab34cd7
3 changed files with 208 additions and 0 deletions
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+/*
+ * Copyright 2017, Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ *
+ * Authors:
+ *		Akshay Agarwal <[email protected]>
+ */
+#ifndef _B_RELATIVE_DATE_TIME_FORMAT_H_
+#define _B_RELATIVE_DATE_TIME_FORMAT_H_
+
+
+#include <Format.h>
+#include <SupportDefs.h>
+
+
+class BString;
+
+#ifndef U_ICU_NAMESPACE
+  #define U_ICU_NAMESPACE icu
+#endif
+namespace U_ICU_NAMESPACE {
+	class GregorianCalendar;
+	class RelativeDateTimeFormatter;
+}
+
+
+class BRelativeDateTimeFormat: public BFormat {
+	typedef BFormat				Inherited;
+public:
+								BRelativeDateTimeFormat();
+								BRelativeDateTimeFormat(const BLanguage& language,
+									const BFormattingConventions& conventions);
+								BRelativeDateTimeFormat(const BRelativeDateTimeFormat& other);
+			virtual				~BRelativeDateTimeFormat();
+
+			status_t			Format(BString& string, const time_t timeValue) const;
+
+private:
+			U_ICU_NAMESPACE::RelativeDateTimeFormatter*	fFormatter;
+			U_ICU_NAMESPACE::GregorianCalendar*	fCalendar;
+};
+
+
+#endif	// _B_RELATIVE_DATE_TIME_FORMAT_H_