Copy ICU 63.1 to aosp/icu63
The files are exported with the following commands:
git --git-dir=${UPSTREAM_ICU_GIT}/.git --work-tree=${UPSTREAM_ICU_GIT} checkout release-63-1
find icu4j/ -type f,d ! -regex ".*/\(Android.mk\|Android.bp\|liblayout-jarjar-rules.txt\)" -delete
find icu4c/ -type f,d ! -regex ".*/\(Android.mk\|Android.bp\)" -delete
cp -r ${UPSTREAM_ICU_GIT}/icu4j .
cp -r ${UPSTREAM_ICU_GIT}/icu4c .
git checkout HEAD -- icu4c/.gitignore icu4j/.gitignore
Change-Id: I9476e49151d4c99e88f4fafb2a7ac7528869c974
diff --git a/icu4c/source/i18n/erarules.h b/icu4c/source/i18n/erarules.h
new file mode 100644
index 0000000..4ed8640
--- /dev/null
+++ b/icu4c/source/i18n/erarules.h
@@ -0,0 +1,92 @@
+// © 2018 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+
+#ifndef ERARULES_H_
+#define ERARULES_H_
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "unicode/localpointer.h"
+#include "unicode/uobject.h"
+#include "cmemory.h"
+
+U_NAMESPACE_BEGIN
+
+// Export an explicit template instantiation of LocalMemory used as a data member of EraRules.
+// When building DLLs for Windows this is required even though no direct access leaks out of the i18n library.
+// See digitlst.h, pluralaffix.h, datefmt.h, and others for similar examples.
+#if U_PF_WINDOWS <= U_PLATFORM && U_PLATFORM <= U_PF_CYGWIN
+// Ignore warning 4661 as LocalPointerBase does not use operator== or operator!=
+#pragma warning(suppress: 4661)
+template class U_I18N_API LocalPointerBase<int32_t>;
+template class U_I18N_API LocalMemory<int32_t>;
+#endif
+
+class U_I18N_API EraRules : public UMemory {
+public:
+ ~EraRules();
+
+ static EraRules* createInstance(const char *calType, UBool includeTentativeEra, UErrorCode& status);
+
+ /**
+ * Gets number of effective eras
+ * @return number of effective eras
+ */
+ inline int32_t getNumberOfEras() const {
+ return numEras;
+ }
+
+ /**
+ * Gets start date of an era
+ * @param eraIdx Era index
+ * @param fields Receives date fields. The result includes values of year, month,
+ * day of month in this order. When an era has no start date, the result
+ * will be January 1st in year whose value is minimum integer.
+ * @param status Receives status.
+ */
+ void getStartDate(int32_t eraIdx, int32_t (&fields)[3], UErrorCode& status) const;
+
+ /**
+ * Gets start year of an era
+ * @param eraIdx Era index
+ * @param status Receives status.
+ * @return The first year of an era. When a era has no start date, minimum int32
+ * value is returned.
+ */
+ int32_t getStartYear(int32_t eraIdx, UErrorCode& status) const;
+
+ /**
+ * Returns era index for the specified year/month/day.
+ * @param year Year
+ * @param month Month (1-base)
+ * @param day Day of month
+ * @param status Receives status
+ * @return era index (or 0, when the specified date is before the first era)
+ */
+ int32_t getEraIndex(int32_t year, int32_t month, int32_t day, UErrorCode& status) const;
+
+ /**
+ * Gets the current era index. This is calculated only once for an instance of
+ * EraRules.
+ *
+ * @return era index of current era (or 0, when current date is before the first era)
+ */
+ inline int32_t getCurrentEraIndex() const {
+ return currentEra;
+ }
+
+private:
+ EraRules(LocalMemory<int32_t>& eraStartDates, int32_t numEra);
+
+ void initCurrentEra();
+
+ LocalMemory<int32_t> startDates;
+ int32_t numEras;
+ int32_t currentEra;
+};
+
+U_NAMESPACE_END
+#endif /* #if !UCONFIG_NO_FORMATTING */
+#endif /* ERARULES_H_ */