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Unified Diff: src/runtime.cc

Issue 60013010: Landing https://codereview.chromium.org/40133004 for mnita@google.com. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 1 month ago
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Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 8047995db963f909efdc460f3a66358a6de479b9..20cd489152084a5893b55b3aa944a72211d037d1 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -14033,6 +14033,35 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_InternalCompare) {
}
+RUNTIME_FUNCTION(MaybeObject*, Runtime_StringNormalize) {
+ HandleScope scope(isolate);
+ static const UNormalizationMode normalizationForms[] =
+ { UNORM_NFC, UNORM_NFD, UNORM_NFKC, UNORM_NFKD };
+
+ ASSERT(args.length() == 2);
+
+ CONVERT_ARG_HANDLE_CHECKED(String, stringValue, 0);
+ CONVERT_NUMBER_CHECKED(int, form_id, Int32, args[1]);
+
+ v8::String::Value string_value(v8::Utils::ToLocal(stringValue));
+ const UChar* u_value = reinterpret_cast<const UChar*>(*string_value);
+
+ // TODO(mnita): check Normalizer2 (not available in ICU 46)
+ UErrorCode status = U_ZERO_ERROR;
+ icu::UnicodeString result;
+ icu::Normalizer::normalize(u_value, normalizationForms[form_id], 0,
+ result, status);
+ if (U_FAILURE(status)) {
+ return isolate->heap()->undefined_value();
+ }
+
+ return *isolate->factory()->NewStringFromTwoByte(
+ Vector<const uint16_t>(
+ reinterpret_cast<const uint16_t*>(result.getBuffer()),
+ result.length()));
+}
+
+
RUNTIME_FUNCTION(MaybeObject*, Runtime_CreateBreakIterator) {
HandleScope scope(isolate);
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