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Issue 1119663002: Making Unicode character names consistent (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Rebase patch Created 5 years, 7 months ago
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1 /* 1 /*
2 * Copyright (C) 2006, 2007, 2008, 2009 Google Inc. All rights reserved. 2 * Copyright (C) 2006, 2007, 2008, 2009 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
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577 // 1. Let c be the code unit in S at index i. 577 // 1. Let c be the code unit in S at index i.
578 UChar c = s[i]; 578 UChar c = s[i];
579 // 2. Depending on the value of c: 579 // 2. Depending on the value of c:
580 if (U16_IS_SINGLE(c)) { 580 if (U16_IS_SINGLE(c)) {
581 // c < 0xD800 or c > 0xDFFF 581 // c < 0xD800 or c > 0xDFFF
582 // Append to U the Unicode character with code point c. 582 // Append to U the Unicode character with code point c.
583 u.append(c); 583 u.append(c);
584 } else if (U16_IS_TRAIL(c)) { 584 } else if (U16_IS_TRAIL(c)) {
585 // 0xDC00 <= c <= 0xDFFF 585 // 0xDC00 <= c <= 0xDFFF
586 // Append to U a U+FFFD REPLACEMENT CHARACTER. 586 // Append to U a U+FFFD REPLACEMENT CHARACTER.
587 u.append(WTF::Unicode::replacementCharacter); 587 u.append(replacementCharacter);
588 } else { 588 } else {
589 // 0xD800 <= c <= 0xDBFF 589 // 0xD800 <= c <= 0xDBFF
590 ASSERT(U16_IS_LEAD(c)); 590 ASSERT(U16_IS_LEAD(c));
591 if (i == n - 1) { 591 if (i == n - 1) {
592 // 1. If i = n-1, then append to U a U+FFFD REPLACEMENT CHARACTE R. 592 // 1. If i = n-1, then append to U a U+FFFD REPLACEMENT CHARACTE R.
593 u.append(WTF::Unicode::replacementCharacter); 593 u.append(replacementCharacter);
594 } else { 594 } else {
595 // 2. Otherwise, i < n-1: 595 // 2. Otherwise, i < n-1:
596 ASSERT(i < n - 1); 596 ASSERT(i < n - 1);
597 // ....1. Let d be the code unit in S at index i+1. 597 // ....1. Let d be the code unit in S at index i+1.
598 UChar d = s[i + 1]; 598 UChar d = s[i + 1];
599 if (U16_IS_TRAIL(d)) { 599 if (U16_IS_TRAIL(d)) {
600 // 2. If 0xDC00 <= d <= 0xDFFF, then: 600 // 2. If 0xDC00 <= d <= 0xDFFF, then:
601 // ..1. Let a be c & 0x3FF. 601 // ..1. Let a be c & 0x3FF.
602 // ..2. Let b be d & 0x3FF. 602 // ..2. Let b be d & 0x3FF.
603 // ..3. Append to U the Unicode character with code point 2^ 16+2^10*a+b. 603 // ..3. Append to U the Unicode character with code point 2^ 16+2^10*a+b.
604 u.append(U16_GET_SUPPLEMENTARY(c, d)); 604 u.append(U16_GET_SUPPLEMENTARY(c, d));
605 // Blink: This is equivalent to u.append(c); u.append(d); 605 // Blink: This is equivalent to u.append(c); u.append(d);
606 ++i; 606 ++i;
607 } else { 607 } else {
608 // 3. Otherwise, d < 0xDC00 or d > 0xDFFF. Append to U a U+F FFD REPLACEMENT CHARACTER. 608 // 3. Otherwise, d < 0xDC00 or d > 0xDFFF. Append to U a U+F FFD REPLACEMENT CHARACTER.
609 u.append(WTF::Unicode::replacementCharacter); 609 u.append(replacementCharacter);
610 } 610 }
611 } 611 }
612 } 612 }
613 // 3. Set i to i+1. 613 // 3. Set i to i+1.
614 ++i; 614 ++i;
615 } 615 }
616 616
617 // 6. Return U. 617 // 6. Return U.
618 ASSERT(u.length() == string.length()); 618 ASSERT(u.length() == string.length());
619 return u.toString(); 619 return u.toString();
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990 v8::Local<v8::Value> data = info.Data(); 990 v8::Local<v8::Value> data = info.Data();
991 ASSERT(data->IsExternal()); 991 ASSERT(data->IsExternal());
992 V8PerContextData* perContextData = V8PerContextData::from(info.Holder()->Cre ationContext()); 992 V8PerContextData* perContextData = V8PerContextData::from(info.Holder()->Cre ationContext());
993 if (!perContextData) 993 if (!perContextData)
994 return; 994 return;
995 v8SetReturnValue(info, perContextData->constructorForType(WrapperTypeInfo::u nwrap(data))); 995 v8SetReturnValue(info, perContextData->constructorForType(WrapperTypeInfo::u nwrap(data)));
996 TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution"); 996 TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
997 } 997 }
998 998
999 } // namespace blink 999 } // namespace blink
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