Attachment 357853 Details for Bug 192945 – Patch

[patch] Patch

bug-192945-20181220150213.patch (text/plain), 2.64 KB, created by Michael Catanzaro on 2018-12-20 13:02:14 PST

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Creator: Michael Catanzaro

Created: 2018-12-20 13:02:14 PST

Size: 2.64 KB

patch

obsolete

>Subversion Revision: 239428
>diff --git a/Source/WTF/ChangeLog b/Source/WTF/ChangeLog
>index 64ddbd43e28acba272971e9f358e2b6444a5bc2e..92c2f2cc7a22ab099c6d3ecc1738bfc0856d8fa2 100644
>--- a/Source/WTF/ChangeLog
>+++ b/Source/WTF/ChangeLog
>@@ -1,3 +1,19 @@
>+2018-12-20  Michael Catanzaro  <mcatanzaro@igalia.com>
>+
>+        Use unorm2_normalize instead of precomposedStringWithCanonicalMapping in userVisibleString
>+        https://bugs.webkit.org/show_bug.cgi?id=192945
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Replace use of the nice NSString function precomposedStringWithCanonicalMapping with the ICU
>+        API unorm2_normalize. This is to prep the code for translation to cross-platform C++. Of
>+        course this is much worse than the preexisting code, but this is just a transitional
>+        measure and not the final state of the code. It wouldn't make sense to do this if the code
>+        were to remain Objective C++.
>+
>+        * wtf/cocoa/NSURLExtras.mm:
>+        (WTF::userVisibleString):
>+
> 2018-12-19  Chris Dumez  <cdumez@apple.com>
> 
>         wtf/Optional.h: move-constructor and move-assignment operator should disengage the value being moved from
>diff --git a/Source/WTF/wtf/cocoa/NSURLExtras.mm b/Source/WTF/wtf/cocoa/NSURLExtras.mm
>index d57b9951a07f96a2cebdb977f68e919b18c6bea8..b34404f495adac27323613b42c093e5e1ba1c7bf 100644
>--- a/Source/WTF/wtf/cocoa/NSURLExtras.mm
>+++ b/Source/WTF/wtf/cocoa/NSURLExtras.mm
>@@ -1165,7 +1165,24 @@ NSString *userVisibleString(NSURL *URL)
>             result = mappedResult;
>     }
> 
>-    result = [result precomposedStringWithCanonicalMapping];
>+    auto sourceBuffer = String(result).charactersWithNullTermination();
>+    ASSERT(sourceBuffer.last() == '\0');
>+    sourceBuffer.removeLast();
>+
>+    Vector<UChar, urlBytesBufferLength> normalizedCharacters(sourceBuffer.size());
>+    UErrorCode uerror = U_ZERO_ERROR;
>+    const UNormalizer2 *normalizer = unorm2_getNFCInstance(&uerror);
>+    int32_t normalizedLength = unorm2_normalize(normalizer, sourceBuffer.data(), sourceBuffer.size(), normalizedCharacters.data(), normalizedCharacters.size(), &uerror);
>+    if (uerror == U_BUFFER_OVERFLOW_ERROR) {
>+        uerror = U_ZERO_ERROR;
>+        normalizedCharacters.resize(normalizedLength);
>+        normalizedLength = unorm2_normalize(normalizer, sourceBuffer.data(), sourceBuffer.size(), normalizedCharacters.data(), normalizedLength, &uerror);
>+    }
>+    if (U_FAILURE(uerror))
>+        result = string;
>+    else
>+        result = [NSString initWithCharacters:normalizedCharacters.data(), length:normalizedLength];
>+
>     return CFBridgingRelease(createStringWithEscapedUnsafeCharacters((__bridge CFStringRef)result.get()));
> }
>

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