third_party/WebKit/Source/platform/exported/WebCString.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 * Copyright (C) 2012 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:
 *
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#include "public/platform/WebCString.h"

#include <string.h>
#include "platform/wtf/text/CString.h"
#include "public/platform/WebString.h"

namespace blink {

int WebCString::Compare(const WebCString& other) const {
  // A null string is always less than a non null one.
  if (IsNull() != other.IsNull())
    return IsNull() ? -1 : 1;

  if (IsNull())
    return 0;  // Both WebStrings are null.

  return strcmp(private_->data(), other.private_->data());
}

void WebCString::Reset() {
  private_.Reset();
}

void WebCString::Assign(const WebCString& other) {
  Assign(other.private_.Get());
}

void WebCString::Assign(const char* data, size_t length) {
  Assign(WTF::CString(data, length).Impl());
}

size_t WebCString::length() const {
  return private_.IsNull() ? 0 : private_->length();
}

const char* WebCString::Data() const {
  return private_.IsNull() ? 0 : private_->data();
}

WebString WebCString::Utf16() const {
  return WebString::FromUTF8(Data(), length());
}

WebCString::WebCString(const WTF::CString& s) {
  Assign(s.Impl());
}

WebCString& WebCString::operator=(const WTF::CString& s) {
  Assign(s.Impl());
  return *this;
}

WebCString::operator WTF::CString() const {
  return private_.Get();
}

void WebCString::Assign(WTF::CStringImpl* p) {
  private_ = p;
}

}  // namespace blink