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-rw-r--r--indra/llcommon/llstring.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/indra/llcommon/llstring.cpp b/indra/llcommon/llstring.cpp
index 7f501f2e77..5da3609b43 100644
--- a/indra/llcommon/llstring.cpp
+++ b/indra/llcommon/llstring.cpp
@@ -30,6 +30,7 @@
#include "llerror.h"
#include "llfasttimer.h"
#include "llsd.h"
+#include <unicode/uchar.h>
#include <vector>
#if LL_WINDOWS
@@ -833,6 +834,31 @@ std::string LLStringOps::sDayFormat;
std::string LLStringOps::sAM;
std::string LLStringOps::sPM;
+// static
+bool LLStringOps::isEmoji(llwchar wch)
+{
+ switch (ublock_getCode(wch))
+ {
+ case UBLOCK_MISCELLANEOUS_SYMBOLS:
+ case UBLOCK_DINGBATS:
+ case UBLOCK_MISCELLANEOUS_SYMBOLS_AND_PICTOGRAPHS:
+ case UBLOCK_EMOTICONS:
+ case UBLOCK_TRANSPORT_AND_MAP_SYMBOLS:
+#if U_ICU_VERSION_MAJOR_NUM > 56
+ // Boost uses ICU so we can't update it independently
+ case UBLOCK_SUPPLEMENTAL_SYMBOLS_AND_PICTOGRAPHS:
+#endif // U_ICU_VERSION_MAJOR_NUM > 56
+ return true;
+ default:
+#if U_ICU_VERSION_MAJOR_NUM > 56
+ return false;
+#else
+ // See https://en.wikipedia.org/wiki/Supplemental_Symbols_and_Pictographs
+ return wch >= 0x1F900 && wch <= 0x1F9FF;
+#endif // U_ICU_VERSION_MAJOR_NUM > 56
+ }
+}
+
S32 LLStringOps::collate(const llwchar* a, const llwchar* b)
{