wtf reformat test

third_party/WebKit/Source/wtf/text/TextEncodingRegistry.cpp

 /*
  * Copyright (C) 2006, 2007, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 32 matching lines @@
 #include "wtf/text/TextCodecUTF8.h"
 #include "wtf/text/TextCodecUserDefined.h"
 #include "wtf/text/TextEncoding.h"
 
 namespace WTF {
 
 const size_t maxEncodingNameLength = 63;
 
 // Hash for all-ASCII strings that does case folding.
 struct TextEncodingNameHash {
-    static bool equal(const char* s1, const char* s2)
-    {
-        char c1;
-        char c2;
-        do {
+  static bool equal(const char* s1, const char* s2) {
+    char c1;
+    char c2;
+    do {
 #if defined(_MSC_FULL_VER) && _MSC_FULL_VER == 170051106
-            // Workaround for a bug in the VS2012 Update 1 optimizer, remove once the fix is released.
-            // https://connect.microsoft.com/VisualStudio/feedback/details/777533/vs2012-c-optimizing-bug-when-using-inline-and-char-return-type-x86-target-only
-            c1 = toASCIILower(*s1++);
-            c2 = toASCIILower(*s2++);
-            if (c1 != c2)
-                return false;
+      // Workaround for a bug in the VS2012 Update 1 optimizer, remove once the fix is released.
+      // https://connect.microsoft.com/VisualStudio/feedback/details/777533/vs2012-c-optimizing-bug-when-using-inline-and-char-return-type-x86-target-only
+      c1 = toASCIILower(*s1++);
+      c2 = toASCIILower(*s2++);
+      if (c1 != c2)
+        return false;
 #else
-            c1 = *s1++;
-            c2 = *s2++;
-            if (toASCIILower(c1) != toASCIILower(c2))
-                return false;
+      c1 = *s1++;
+      c2 = *s2++;
+      if (toASCIILower(c1) != toASCIILower(c2))
+        return false;
 #endif
-        } while (c1 && c2);
-        return !c1 && !c2;
+    } while (c1 && c2);
+    return !c1 && !c2;
+  }
+
+  // This algorithm is the one-at-a-time hash from:
+  // http://burtleburtle.net/bob/hash/hashfaq.html
+  // http://burtleburtle.net/bob/hash/doobs.html
+  static unsigned hash(const char* s) {
+    unsigned h = WTF::stringHashingStartValue;
+    for (;;) {
+      char c = *s++;
+      if (!c) {
+        h += (h << 3);
+        h ^= (h >> 11);
+        h += (h << 15);
+        return h;
+      }
+      h += toASCIILower(c);
+      h += (h << 10);
+      h ^= (h >> 6);
     }
+  }
 
-    // This algorithm is the one-at-a-time hash from:
-    // http://burtleburtle.net/bob/hash/hashfaq.html
-    // http://burtleburtle.net/bob/hash/doobs.html
-    static unsigned hash(const char* s)
-    {
-        unsigned h = WTF::stringHashingStartValue;
-        for (;;) {
-            char c = *s++;
-            if (!c) {
-                h += (h << 3);
-                h ^= (h >> 11);
-                h += (h << 15);
-                return h;
-            }
-            h += toASCIILower(c);
-            h += (h << 10);
-            h ^= (h >> 6);
-        }
-    }
-
-    static const bool safeToCompareToEmptyOrDeleted = false;
+  static const bool safeToCompareToEmptyOrDeleted = false;
 };
 
 struct TextCodecFactory {
-    NewTextCodecFunction function;
-    const void* additionalData;
-    TextCodecFactory(NewTextCodecFunction f = 0, const void* d = 0) : function(f), additionalData(d) { }
+  NewTextCodecFunction function;
+  const void* additionalData;
+  TextCodecFactory(NewTextCodecFunction f = 0, const void* d = 0)
+      : function(f), additionalData(d) {}
 };
 
-typedef HashMap<const char*, const char*, TextEncodingNameHash> TextEncodingNameMap;
+typedef HashMap<const char*, const char*, TextEncodingNameHash>
+    TextEncodingNameMap;
 typedef HashMap<const char*, TextCodecFactory> TextCodecMap;
 
-static Mutex& encodingRegistryMutex()
-{
-    // We don't have to use AtomicallyInitializedStatic here because
-    // this function is called on the main thread for any page before
-    // it is used in worker threads.
-    DEFINE_STATIC_LOCAL(Mutex, mutex, ());
-    return mutex;
+static Mutex& encodingRegistryMutex() {
+  // We don't have to use AtomicallyInitializedStatic here because
+  // this function is called on the main thread for any page before
+  // it is used in worker threads.
+  DEFINE_STATIC_LOCAL(Mutex, mutex, ());
+  return mutex;
 }
 
 static TextEncodingNameMap* textEncodingNameMap;
 static TextCodecMap* textCodecMap;
 
 namespace {
 static unsigned didExtendTextCodecMaps = 0;
 
-ALWAYS_INLINE unsigned atomicDidExtendTextCodecMaps()
-{
-    return acquireLoad(&didExtendTextCodecMaps);
-}
-
-ALWAYS_INLINE void atomicSetDidExtendTextCodemMaps()
-{
-    releaseStore(&didExtendTextCodecMaps, 1);
-}
-} // namespace
-
-static const char textEncodingNameBlacklist[][6] = { "UTF-7" };
+ALWAYS_INLINE unsigned atomicDidExtendTextCodecMaps() {
+  return acquireLoad(&didExtendTextCodecMaps);
+}
+
+ALWAYS_INLINE void atomicSetDidExtendTextCodemMaps() {
+  releaseStore(&didExtendTextCodecMaps, 1);
+}
+}  // namespace
+
+static const char textEncodingNameBlacklist[][6] = {"UTF-7"};
 
 #if ERROR_DISABLED
 
-static inline void checkExistingName(const char*, const char*) { }
+static inline void checkExistingName(const char*, const char*) {}
 
 #else
 
-static void checkExistingName(const char* alias, const char* atomicName)
-{
-    const char* oldAtomicName = textEncodingNameMap->get(alias);
-    if (!oldAtomicName)
-        return;
-    if (oldAtomicName == atomicName)
-        return;
-    // Keep the warning silent about one case where we know this will happen.
-    if (strcmp(alias, "ISO-8859-8-I") == 0
-        && strcmp(oldAtomicName, "ISO-8859-8-I") == 0
-        && strcasecmp(atomicName, "iso-8859-8") == 0)
-        return;
-    WTF_LOG_ERROR("alias %s maps to %s already, but someone is trying to make it map to %s", alias, oldAtomicName, atomicName);
+static void checkExistingName(const char* alias, const char* atomicName) {
+  const char* oldAtomicName = textEncodingNameMap->get(alias);
+  if (!oldAtomicName)
+    return;
+  if (oldAtomicName == atomicName)
+    return;
+  // Keep the warning silent about one case where we know this will happen.
+  if (strcmp(alias, "ISO-8859-8-I") == 0 &&
+      strcmp(oldAtomicName, "ISO-8859-8-I") == 0 &&
+      strcasecmp(atomicName, "iso-8859-8") == 0)
+    return;
+  WTF_LOG_ERROR(
+      "alias %s maps to %s already, but someone is trying to make it map to %s",
+      alias, oldAtomicName, atomicName);
 }
 
 #endif
 
-static bool isUndesiredAlias(const char* alias)
-{
-    // Reject aliases with version numbers that are supported by some back-ends (such as "ISO_2022,locale=ja,version=0" in ICU).
-    for (const char* p = alias; *p; ++p) {
-        if (*p == ',')
-            return true;
-    }
-    // 8859_1 is known to (at least) ICU, but other browsers don't support this name - and having it caused a compatibility
-    // problem, see bug 43554.
-    if (0 == strcmp(alias, "8859_1"))
-        return true;
-    return false;
-}
-
-static void addToTextEncodingNameMap(const char* alias, const char* name)
-{
-    ASSERT(strlen(alias) <= maxEncodingNameLength);
-    if (isUndesiredAlias(alias))
-        return;
-    const char* atomicName = textEncodingNameMap->get(name);
-    ASSERT(strcmp(alias, name) == 0 || atomicName);
+static bool isUndesiredAlias(const char* alias) {
+  // Reject aliases with version numbers that are supported by some back-ends (such as "ISO_2022,locale=ja,version=0" in ICU).
+  for (const char* p = alias; *p; ++p) {
+    if (*p == ',')
+      return true;
+  }
+  // 8859_1 is known to (at least) ICU, but other browsers don't support this name - and having it caused a compatibility
+  // problem, see bug 43554.
+  if (0 == strcmp(alias, "8859_1"))
+    return true;
+  return false;
+}
+
+static void addToTextEncodingNameMap(const char* alias, const char* name) {
+  ASSERT(strlen(alias) <= maxEncodingNameLength);
+  if (isUndesiredAlias(alias))
+    return;
+  const char* atomicName = textEncodingNameMap->get(name);
+  ASSERT(strcmp(alias, name) == 0 || atomicName);
+  if (!atomicName)
+    atomicName = name;
+  checkExistingName(alias, atomicName);
+  textEncodingNameMap->add(alias, atomicName);
+}
+
+static void addToTextCodecMap(const char* name,
+                              NewTextCodecFunction function,
+                              const void* additionalData) {
+  const char* atomicName = textEncodingNameMap->get(name);
+  ASSERT(atomicName);
+  textCodecMap->add(atomicName, TextCodecFactory(function, additionalData));
+}
+
+static void pruneBlacklistedCodecs() {
+  for (size_t i = 0; i < WTF_ARRAY_LENGTH(textEncodingNameBlacklist); ++i) {
+    const char* atomicName =
+        textEncodingNameMap->get(textEncodingNameBlacklist[i]);
     if (!atomicName)
-        atomicName = name;
-    checkExistingName(alias, atomicName);
-    textEncodingNameMap->add(alias, atomicName);
-}
-
-static void addToTextCodecMap(const char* name, NewTextCodecFunction function, const void* additionalData)
-{
-    const char* atomicName = textEncodingNameMap->get(name);
-    ASSERT(atomicName);
-    textCodecMap->add(atomicName, TextCodecFactory(function, additionalData));
-}
-
-static void pruneBlacklistedCodecs()
-{
-    for (size_t i = 0; i < WTF_ARRAY_LENGTH(textEncodingNameBlacklist); ++i) {
-        const char* atomicName = textEncodingNameMap->get(textEncodingNameBlacklist[i]);
-        if (!atomicName)
-            continue;
-
-        Vector<const char*> names;
-        TextEncodingNameMap::const_iterator it = textEncodingNameMap->begin();
-        TextEncodingNameMap::const_iterator end = textEncodingNameMap->end();
-        for (; it != end; ++it) {
-            if (it->value == atomicName)
-                names.append(it->key);
-        }
-
-        textEncodingNameMap->removeAll(names);
-
-        textCodecMap->remove(atomicName);
-    }
-}
-
-static void buildBaseTextCodecMaps()
-{
-    ASSERT(isMainThread());
-    ASSERT(!textCodecMap);
-    ASSERT(!textEncodingNameMap);
-
-    textCodecMap = new TextCodecMap;
-    textEncodingNameMap = new TextEncodingNameMap;
-
-    TextCodecLatin1::registerEncodingNames(addToTextEncodingNameMap);
-    TextCodecLatin1::registerCodecs(addToTextCodecMap);
-
-    TextCodecUTF8::registerEncodingNames(addToTextEncodingNameMap);
-    TextCodecUTF8::registerCodecs(addToTextCodecMap);
-
-    TextCodecUTF16::registerEncodingNames(addToTextEncodingNameMap);
-    TextCodecUTF16::registerCodecs(addToTextCodecMap);
-
-    TextCodecUserDefined::registerEncodingNames(addToTextEncodingNameMap);
-    TextCodecUserDefined::registerCodecs(addToTextCodecMap);
-}
-
-bool isReplacementEncoding(const char* alias)
-{
-    return alias && !strcasecmp(alias, "replacement");
-}
-
-bool isReplacementEncoding(const String& alias)
-{
-    return alias == "replacement";
-}
-
-static void extendTextCodecMaps()
-{
-    TextCodecReplacement::registerEncodingNames(addToTextEncodingNameMap);
-    TextCodecReplacement::registerCodecs(addToTextCodecMap);
-
-    TextCodecICU::registerEncodingNames(addToTextEncodingNameMap);
-    TextCodecICU::registerCodecs(addToTextCodecMap);
-
-    pruneBlacklistedCodecs();
-}
-
-PassOwnPtr<TextCodec> newTextCodec(const TextEncoding& encoding)
-{
-    MutexLocker lock(encodingRegistryMutex());
-
-
-    ASSERT(textCodecMap);
-    TextCodecFactory factory = textCodecMap->get(encoding.name());
-    ASSERT(factory.function);
-    return factory.function(encoding, factory.additionalData);
-}
-
-const char* atomicCanonicalTextEncodingName(const char* name)
-{
-    if (!name || !name[0])
-        return 0;
-    if (!textEncodingNameMap)
-        buildBaseTextCodecMaps();
-
-    MutexLocker lock(encodingRegistryMutex());
-
-    if (const char* atomicName = textEncodingNameMap->get(name))
-        return atomicName;
-    if (atomicDidExtendTextCodecMaps())
-        return 0;
-    extendTextCodecMaps();
-    atomicSetDidExtendTextCodemMaps();
-    return textEncodingNameMap->get(name);
-}
-
-template <typename CharacterType>
-const char* atomicCanonicalTextEncodingName(const CharacterType* characters, size_t length)
-{
-    char buffer[maxEncodingNameLength + 1];
-    size_t j = 0;
-    for (size_t i = 0; i < length; ++i) {
-        char c = static_cast<char>(characters[i]);
-        if (j == maxEncodingNameLength || c != characters[i])
-            return 0;
-        buffer[j++] = c;
-    }
-    buffer[j] = 0;
-    return atomicCanonicalTextEncodingName(buffer);
-}
-
-const char* atomicCanonicalTextEncodingName(const String& alias)
-{
-    if (!alias.length())
-        return 0;
-
-    if (alias.contains(static_cast<UChar>('\0')))
-        return 0;
-
-    if (alias.is8Bit())
-        return atomicCanonicalTextEncodingName<LChar>(alias.characters8(), alias.length());
-
-    return atomicCanonicalTextEncodingName<UChar>(alias.characters16(), alias.length());
-}
-
-bool noExtendedTextEncodingNameUsed()
-{
-    return !atomicDidExtendTextCodecMaps();
-}
-
-#ifndef NDEBUG
-void dumpTextEncodingNameMap()
-{
-    unsigned size = textEncodingNameMap->size();
-    fprintf(stderr, "Dumping %u entries in WTF::TextEncodingNameMap...\n", size);
-
-    MutexLocker lock(encodingRegistryMutex());
-
+      continue;
+
+    Vector<const char*> names;
     TextEncodingNameMap::const_iterator it = textEncodingNameMap->begin();
     TextEncodingNameMap::const_iterator end = textEncodingNameMap->end();
-    for (; it != end; ++it)
-        fprintf(stderr, "'%s' => '%s'\n", it->key, it->value);
+    for (; it != end; ++it) {
+      if (it->value == atomicName)
+        names.append(it->key);
+    }
+
+    textEncodingNameMap->removeAll(names);
+
+    textCodecMap->remove(atomicName);
+  }
+}
+
+static void buildBaseTextCodecMaps() {
+  ASSERT(isMainThread());
+  ASSERT(!textCodecMap);
+  ASSERT(!textEncodingNameMap);
+
+  textCodecMap = new TextCodecMap;
+  textEncodingNameMap = new TextEncodingNameMap;
+
+  TextCodecLatin1::registerEncodingNames(addToTextEncodingNameMap);
+  TextCodecLatin1::registerCodecs(addToTextCodecMap);
+
+  TextCodecUTF8::registerEncodingNames(addToTextEncodingNameMap);
+  TextCodecUTF8::registerCodecs(addToTextCodecMap);
+
+  TextCodecUTF16::registerEncodingNames(addToTextEncodingNameMap);
+  TextCodecUTF16::registerCodecs(addToTextCodecMap);
+
+  TextCodecUserDefined::registerEncodingNames(addToTextEncodingNameMap);
+  TextCodecUserDefined::registerCodecs(addToTextCodecMap);
+}
+
+bool isReplacementEncoding(const char* alias) {
+  return alias && !strcasecmp(alias, "replacement");
+}
+
+bool isReplacementEncoding(const String& alias) {
+  return alias == "replacement";
+}
+
+static void extendTextCodecMaps() {
+  TextCodecReplacement::registerEncodingNames(addToTextEncodingNameMap);
+  TextCodecReplacement::registerCodecs(addToTextCodecMap);
+
+  TextCodecICU::registerEncodingNames(addToTextEncodingNameMap);
+  TextCodecICU::registerCodecs(addToTextCodecMap);
+
+  pruneBlacklistedCodecs();
+}
+
+PassOwnPtr<TextCodec> newTextCodec(const TextEncoding& encoding) {
+  MutexLocker lock(encodingRegistryMutex());
+
+  ASSERT(textCodecMap);
+  TextCodecFactory factory = textCodecMap->get(encoding.name());
+  ASSERT(factory.function);
+  return factory.function(encoding, factory.additionalData);
+}
+
+const char* atomicCanonicalTextEncodingName(const char* name) {
+  if (!name || !name[0])
+    return 0;
+  if (!textEncodingNameMap)
+    buildBaseTextCodecMaps();
+
+  MutexLocker lock(encodingRegistryMutex());
+
+  if (const char* atomicName = textEncodingNameMap->get(name))
+    return atomicName;
+  if (atomicDidExtendTextCodecMaps())
+    return 0;
+  extendTextCodecMaps();
+  atomicSetDidExtendTextCodemMaps();
+  return textEncodingNameMap->get(name);
+}
+
+template <typename CharacterType>
+const char* atomicCanonicalTextEncodingName(const CharacterType* characters,
+                                            size_t length) {
+  char buffer[maxEncodingNameLength + 1];
+  size_t j = 0;
+  for (size_t i = 0; i < length; ++i) {
+    char c = static_cast<char>(characters[i]);
+    if (j == maxEncodingNameLength || c != characters[i])
+      return 0;
+    buffer[j++] = c;
+  }
+  buffer[j] = 0;
+  return atomicCanonicalTextEncodingName(buffer);
+}
+
+const char* atomicCanonicalTextEncodingName(const String& alias) {
+  if (!alias.length())
+    return 0;
+
+  if (alias.contains(static_cast<UChar>('\0')))
+    return 0;
+
+  if (alias.is8Bit())
+    return atomicCanonicalTextEncodingName<LChar>(alias.characters8(),
+                                                  alias.length());
+
+  return atomicCanonicalTextEncodingName<UChar>(alias.characters16(),
+                                                alias.length());
+}
+
+bool noExtendedTextEncodingNameUsed() {
+  return !atomicDidExtendTextCodecMaps();
+}
+
+#ifndef NDEBUG
+void dumpTextEncodingNameMap() {
+  unsigned size = textEncodingNameMap->size();
+  fprintf(stderr, "Dumping %u entries in WTF::TextEncodingNameMap...\n", size);
+
+  MutexLocker lock(encodingRegistryMutex());
+
+  TextEncodingNameMap::const_iterator it = textEncodingNameMap->begin();
+  TextEncodingNameMap::const_iterator end = textEncodingNameMap->end();
+  for (; it != end; ++it)
+    fprintf(stderr, "'%s' => '%s'\n", it->key, it->value);
 }
 #endif
 
-} // namespace WTF
+}  // namespace WTF