Apply clang-format with Chromium-style without column limit.

third_party/WebKit/Source/wtf/text/StringConcatenate.h

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 22 matching lines @@
 #endif
 
 // This macro is helpful for testing how many intermediate Strings are created while evaluating an
 // expression containing operator+.
 #ifndef WTF_STRINGTYPEADAPTER_COPIED_WTF_STRING
 #define WTF_STRINGTYPEADAPTER_COPIED_WTF_STRING() ((void)0)
 #endif
 
 namespace WTF {
 
-template<typename StringType>
+template <typename StringType>
 class StringTypeAdapter {
 };
 
-template<>
+template <>
 class StringTypeAdapter<char> {
-public:
-    StringTypeAdapter<char>(char buffer)
-        : m_buffer(buffer)
-    {
-    }
-
-    unsigned length() { return 1; }
-
-    bool is8Bit() { return true; }
-
-    void writeTo(LChar* destination)
-    {
-        *destination = m_buffer;
-    }
-
-    void writeTo(UChar* destination) { *destination = m_buffer; }
-
-private:
-    unsigned char m_buffer;
-};
-
-template<>
+ public:
+  StringTypeAdapter<char>(char buffer)
+      : m_buffer(buffer) {
+  }
+
+  unsigned length() { return 1; }
+
+  bool is8Bit() { return true; }
+
+  void writeTo(LChar* destination) {
+    *destination = m_buffer;
+  }
+
+  void writeTo(UChar* destination) { *destination = m_buffer; }
+
+ private:
+  unsigned char m_buffer;
+};
+
+template <>
 class StringTypeAdapter<LChar> {
-public:
-    StringTypeAdapter<LChar>(LChar buffer)
-        : m_buffer(buffer)
-    {
-    }
-
-    unsigned length() { return 1; }
-
-    bool is8Bit() { return true; }
-
-    void writeTo(LChar* destination)
-    {
-        *destination = m_buffer;
-    }
-
-    void writeTo(UChar* destination) { *destination = m_buffer; }
-
-private:
-    LChar m_buffer;
-};
-
-template<>
+ public:
+  StringTypeAdapter<LChar>(LChar buffer)
+      : m_buffer(buffer) {
+  }
+
+  unsigned length() { return 1; }
+
+  bool is8Bit() { return true; }
+
+  void writeTo(LChar* destination) {
+    *destination = m_buffer;
+  }
+
+  void writeTo(UChar* destination) { *destination = m_buffer; }
+
+ private:
+  LChar m_buffer;
+};
+
+template <>
 class StringTypeAdapter<UChar> {
-public:
-    StringTypeAdapter<UChar>(UChar buffer)
-        : m_buffer(buffer)
-    {
-    }
-
-    unsigned length() { return 1; }
-
-    bool is8Bit() { return m_buffer <= 0xff; }
-
-    void writeTo(LChar* destination)
-    {
-        ASSERT(is8Bit());
-        *destination = static_cast<LChar>(m_buffer);
-    }
-
-    void writeTo(UChar* destination) { *destination = m_buffer; }
-
-private:
-    UChar m_buffer;
-};
-
-template<>
+ public:
+  StringTypeAdapter<UChar>(UChar buffer)
+      : m_buffer(buffer) {
+  }
+
+  unsigned length() { return 1; }
+
+  bool is8Bit() { return m_buffer <= 0xff; }
+
+  void writeTo(LChar* destination) {
+    ASSERT(is8Bit());
+    *destination = static_cast<LChar>(m_buffer);
+  }
+
+  void writeTo(UChar* destination) { *destination = m_buffer; }
+
+ private:
+  UChar m_buffer;
+};
+
+template <>
 class WTF_EXPORT StringTypeAdapter<char*> {
-public:
-    StringTypeAdapter<char*>(char* buffer)
-        : m_buffer(buffer)
-        , m_length(strlen(buffer))
-    {
-    }
-
-    unsigned length() { return m_length; }
-
-    bool is8Bit() { return true; }
-
-    void writeTo(LChar* destination);
-
-    void writeTo(UChar* destination);
-
-private:
-    const char* m_buffer;
-    unsigned m_length;
-};
-
-template<>
+ public:
+  StringTypeAdapter<char*>(char* buffer)
+      : m_buffer(buffer), m_length(strlen(buffer)) {
+  }
+
+  unsigned length() { return m_length; }
+
+  bool is8Bit() { return true; }
+
+  void writeTo(LChar* destination);
+
+  void writeTo(UChar* destination);
+
+ private:
+  const char* m_buffer;
+  unsigned m_length;
+};
+
+template <>
 class WTF_EXPORT StringTypeAdapter<LChar*> {
-public:
-    StringTypeAdapter<LChar*>(LChar* buffer);
-
-    unsigned length() { return m_length; }
-
-    bool is8Bit() { return true; }
-
-    void writeTo(LChar* destination);
-
-    void writeTo(UChar* destination);
-
-private:
-    const LChar* m_buffer;
-    unsigned m_length;
-};
-
-template<>
+ public:
+  StringTypeAdapter<LChar*>(LChar* buffer);
+
+  unsigned length() { return m_length; }
+
+  bool is8Bit() { return true; }
+
+  void writeTo(LChar* destination);
+
+  void writeTo(UChar* destination);
+
+ private:
+  const LChar* m_buffer;
+  unsigned m_length;
+};
+
+template <>
 class WTF_EXPORT StringTypeAdapter<const UChar*> {
-public:
-    StringTypeAdapter(const UChar* buffer);
-
-    unsigned length() { return m_length; }
-
-    bool is8Bit() { return false; }
-
-    NO_RETURN_DUE_TO_CRASH void writeTo(LChar*)
-    {
-        RELEASE_ASSERT(false);
-    }
-
-    void writeTo(UChar* destination);
-
-private:
-    const UChar* m_buffer;
-    unsigned m_length;
-};
-
-template<>
+ public:
+  StringTypeAdapter(const UChar* buffer);
+
+  unsigned length() { return m_length; }
+
+  bool is8Bit() { return false; }
+
+  NO_RETURN_DUE_TO_CRASH void writeTo(LChar*) {
+    RELEASE_ASSERT(false);
+  }
+
+  void writeTo(UChar* destination);
+
+ private:
+  const UChar* m_buffer;
+  unsigned m_length;
+};
+
+template <>
 class WTF_EXPORT StringTypeAdapter<const char*> {
-public:
-    StringTypeAdapter<const char*>(const char* buffer);
-
-    unsigned length() { return m_length; }
-
-    bool is8Bit() { return true; }
-
-    void writeTo(LChar* destination);
-
-    void writeTo(UChar* destination);
-
-private:
-    const char* m_buffer;
-    unsigned m_length;
-};
-
-template<>
+ public:
+  StringTypeAdapter<const char*>(const char* buffer);
+
+  unsigned length() { return m_length; }
+
+  bool is8Bit() { return true; }
+
+  void writeTo(LChar* destination);
+
+  void writeTo(UChar* destination);
+
+ private:
+  const char* m_buffer;
+  unsigned m_length;
+};
+
+template <>
 class WTF_EXPORT StringTypeAdapter<const LChar*> {
-public:
-    StringTypeAdapter<const LChar*>(const LChar* buffer);
-
-    unsigned length() { return m_length; }
-
-    bool is8Bit() { return true; }
-
-    void writeTo(LChar* destination);
-
-    void writeTo(UChar* destination);
-
-private:
-    const LChar* m_buffer;
-    unsigned m_length;
-};
-
-template<>
+ public:
+  StringTypeAdapter<const LChar*>(const LChar* buffer);
+
+  unsigned length() { return m_length; }
+
+  bool is8Bit() { return true; }
+
+  void writeTo(LChar* destination);
+
+  void writeTo(UChar* destination);
+
+ private:
+  const LChar* m_buffer;
+  unsigned m_length;
+};
+
+template <>
 class WTF_EXPORT StringTypeAdapter<Vector<char>> {
-public:
-    StringTypeAdapter<Vector<char>>(const Vector<char>& buffer)
-        : m_buffer(buffer)
-    {
-    }
-
-    size_t length() { return m_buffer.size(); }
-
-    bool is8Bit() { return true; }
-
-    void writeTo(LChar* destination);
-
-    void writeTo(UChar* destination);
-
-private:
-    const Vector<char>& m_buffer;
-};
-
-template<>
+ public:
+  StringTypeAdapter<Vector<char>>(const Vector<char>& buffer)
+      : m_buffer(buffer) {
+  }
+
+  size_t length() { return m_buffer.size(); }
+
+  bool is8Bit() { return true; }
+
+  void writeTo(LChar* destination);
+
+  void writeTo(UChar* destination);
+
+ private:
+  const Vector<char>& m_buffer;
+};
+
+template <>
 class StringTypeAdapter<Vector<LChar>> {
-public:
-    StringTypeAdapter<Vector<LChar>>(const Vector<LChar>& buffer)
-        : m_buffer(buffer)
-    {
-    }
-
-    size_t length() { return m_buffer.size(); }
-
-    bool is8Bit() { return true; }
-
-    void writeTo(LChar* destination);
-
-    void writeTo(UChar* destination);
-
-private:
-    const Vector<LChar>& m_buffer;
-};
-
-template<>
+ public:
+  StringTypeAdapter<Vector<LChar>>(const Vector<LChar>& buffer)
+      : m_buffer(buffer) {
+  }
+
+  size_t length() { return m_buffer.size(); }
+
+  bool is8Bit() { return true; }
+
+  void writeTo(LChar* destination);
+
+  void writeTo(UChar* destination);
+
+ private:
+  const Vector<LChar>& m_buffer;
+};
+
+template <>
 class WTF_EXPORT StringTypeAdapter<String> {
-public:
-    StringTypeAdapter<String>(const String& string)
-        : m_buffer(string)
-    {
-    }
-
-    unsigned length() { return m_buffer.length(); }
-
-    bool is8Bit() { return m_buffer.isNull() || m_buffer.is8Bit(); }
-
-    void writeTo(LChar* destination);
-
-    void writeTo(UChar* destination);
-
-private:
-    const String& m_buffer;
-};
-
-template<>
+ public:
+  StringTypeAdapter<String>(const String& string)
+      : m_buffer(string) {
+  }
+
+  unsigned length() { return m_buffer.length(); }
+
+  bool is8Bit() { return m_buffer.isNull() || m_buffer.is8Bit(); }
+
+  void writeTo(LChar* destination);
+
+  void writeTo(UChar* destination);
+
+ private:
+  const String& m_buffer;
+};
+
+template <>
 class StringTypeAdapter<AtomicString> {
-public:
-    StringTypeAdapter<AtomicString>(const AtomicString& string)
-        : m_adapter(string.string())
-    {
-    }
-
-    unsigned length() { return m_adapter.length(); }
-
-    bool is8Bit() { return m_adapter.is8Bit(); }
-
-    void writeTo(LChar* destination) { m_adapter.writeTo(destination); }
-    void writeTo(UChar* destination) { m_adapter.writeTo(destination); }
-
-private:
-    StringTypeAdapter<String> m_adapter;
-};
-
-inline void sumWithOverflow(unsigned& total, unsigned addend, bool& overflow)
-{
-    unsigned oldTotal = total;
-    total = oldTotal + addend;
-    if (total < oldTotal)
-        overflow = true;
+ public:
+  StringTypeAdapter<AtomicString>(const AtomicString& string)
+      : m_adapter(string.string()) {
+  }
+
+  unsigned length() { return m_adapter.length(); }
+
+  bool is8Bit() { return m_adapter.is8Bit(); }
+
+  void writeTo(LChar* destination) { m_adapter.writeTo(destination); }
+  void writeTo(UChar* destination) { m_adapter.writeTo(destination); }
+
+ private:
+  StringTypeAdapter<String> m_adapter;
+};
+
+inline void sumWithOverflow(unsigned& total, unsigned addend, bool& overflow) {
+  unsigned oldTotal = total;
+  total = oldTotal + addend;
+  if (total < oldTotal)
+    overflow = true;
 }
 
-template<typename StringType1, typename StringType2>
-PassRefPtr<StringImpl> makeString(StringType1 string1, StringType2 string2)
-{
-    StringTypeAdapter<StringType1> adapter1(string1);
-    StringTypeAdapter<StringType2> adapter2(string2);
-
-    bool overflow = false;
-    unsigned length = adapter1.length();
-    sumWithOverflow(length, adapter2.length(), overflow);
-    if (overflow)
-        return nullptr;
-
-    if (adapter1.is8Bit() && adapter2.is8Bit()) {
-        LChar* buffer;
-        RefPtr<StringImpl> resultImpl = StringImpl::createUninitialized(length, buffer);
-        if (!resultImpl)
-            return nullptr;
-
-        LChar* result = buffer;
-        adapter1.writeTo(result);
-        result += adapter1.length();
-        adapter2.writeTo(result);
-
-        return resultImpl.release();
-    }
-
-    UChar* buffer;
+template <typename StringType1, typename StringType2>
+PassRefPtr<StringImpl> makeString(StringType1 string1, StringType2 string2) {
+  StringTypeAdapter<StringType1> adapter1(string1);
+  StringTypeAdapter<StringType2> adapter2(string2);
+
+  bool overflow = false;
+  unsigned length = adapter1.length();
+  sumWithOverflow(length, adapter2.length(), overflow);
+  if (overflow)
+    return nullptr;
+
+  if (adapter1.is8Bit() && adapter2.is8Bit()) {
+    LChar* buffer;
     RefPtr<StringImpl> resultImpl = StringImpl::createUninitialized(length, buffer);
     if (!resultImpl)
-        return nullptr;
-
-    UChar* result = buffer;
+      return nullptr;
+
+    LChar* result = buffer;
     adapter1.writeTo(result);
     result += adapter1.length();
     adapter2.writeTo(result);
 
     return resultImpl.release();
+  }
+
+  UChar* buffer;
+  RefPtr<StringImpl> resultImpl = StringImpl::createUninitialized(length, buffer);
+  if (!resultImpl)
+    return nullptr;
+
+  UChar* result = buffer;
+  adapter1.writeTo(result);
+  result += adapter1.length();
+  adapter2.writeTo(result);
+
+  return resultImpl.release();
 }
 
-} // namespace WTF
+}  // namespace WTF
 
 #include "wtf/text/StringOperators.h"
 #endif