1 files changed, 108 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/udateintervalformat.cpp b/intl/icu/source/i18n/udateintervalformat.cpp
new file mode 100644
index 000000000..e6eec4484
--- /dev/null
+++ b/intl/icu/source/i18n/udateintervalformat.cpp
@@ -0,0 +1,108 @@
+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+*****************************************************************************************
+* Copyright (C) 2010-2011, International Business Machines
+* Corporation and others. All Rights Reserved.
+*****************************************************************************************
+*/
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "unicode/udateintervalformat.h"
+#include "unicode/dtitvfmt.h"
+#include "unicode/dtintrv.h"
+#include "unicode/localpointer.h"
+#include "unicode/timezone.h"
+#include "unicode/locid.h"
+#include "unicode/unistr.h"
+
+U_NAMESPACE_USE
+
+
+U_CAPI UDateIntervalFormat* U_EXPORT2
+udtitvfmt_open(const char*  locale,
+               const UChar* skeleton,
+               int32_t      skeletonLength,
+               const UChar* tzID,
+               int32_t      tzIDLength,
+               UErrorCode*  status)
+{
+    if (U_FAILURE(*status)) {
+        return NULL;
+    }
+    if ((skeleton == NULL ? skeletonLength != 0 : skeletonLength < -1) ||
+        (tzID == NULL ? tzIDLength != 0 : tzIDLength < -1)
+    ) {
+        *status = U_ILLEGAL_ARGUMENT_ERROR;
+        return NULL;
+    }
+    UnicodeString skel((UBool)(skeletonLength == -1), skeleton, skeletonLength);
+    LocalPointer<DateIntervalFormat> formatter(
+            DateIntervalFormat::createInstance(skel, Locale(locale), *status));
+    if (U_FAILURE(*status)) {
+        return NULL;
+    }
+    if(tzID != 0) {
+        TimeZone *zone = TimeZone::createTimeZone(UnicodeString((UBool)(tzIDLength == -1), tzID, tzIDLength));
+        if(zone == NULL) {
+            *status = U_MEMORY_ALLOCATION_ERROR;
+            return NULL;
+        }
+        formatter->adoptTimeZone(zone);
+    }
+    return (UDateIntervalFormat*)formatter.orphan();
+}
+
+
+U_CAPI void U_EXPORT2
+udtitvfmt_close(UDateIntervalFormat *formatter)
+{
+    delete (DateIntervalFormat*)formatter;
+}
+
+
+U_CAPI int32_t U_EXPORT2
+udtitvfmt_format(const UDateIntervalFormat* formatter,
+                 UDate           fromDate,
+                 UDate           toDate,
+                 UChar*          result,
+                 int32_t         resultCapacity,
+                 UFieldPosition* position,
+                 UErrorCode*     status)
+{
+    if (U_FAILURE(*status)) {
+        return -1;
+    }
+    if (result == NULL ? resultCapacity != 0 : resultCapacity < 0) {
+        *status = U_ILLEGAL_ARGUMENT_ERROR;
+        return 0;
+    }
+    UnicodeString res;
+    if (result != NULL) {
+        // NULL destination for pure preflighting: empty dummy string
+        // otherwise, alias the destination buffer (copied from udat_format)
+        res.setTo(result, 0, resultCapacity);
+    }
+    FieldPosition fp;
+    if (position != 0) {
+        fp.setField(position->field);
+    }
+
+    DateInterval interval = DateInterval(fromDate,toDate);
+    ((const DateIntervalFormat*)formatter)->format( &interval, res, fp, *status );
+    if (U_FAILURE(*status)) {
+        return -1;
+    }
+    if (position != 0) {
+        position->beginIndex = fp.getBeginIndex();
+        position->endIndex = fp.getEndIndex();
+    }
+
+    return res.extract(result, resultCapacity, *status);
+}
+
+
+#endif /* #if !UCONFIG_NO_FORMATTING */