Add m-esr52 at 52.6.0

1 files changed, 209 insertions, 0 deletions

diff --git a/xpcom/string/nsString.h b/xpcom/string/nsString.h
new file mode 100644
index 000000000..580e4113d
--- /dev/null
+++ b/xpcom/string/nsString.h
@@ -0,0 +1,209 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsString_h___
+#define nsString_h___
+
+#include "mozilla/Attributes.h"
+
+#include "nsSubstring.h"
+#include "nsDependentSubstring.h"
+#include "nsReadableUtils.h"
+
+#include <new>
+
+// enable support for the obsolete string API if not explicitly disabled
+#ifndef MOZ_STRING_WITH_OBSOLETE_API
+#define MOZ_STRING_WITH_OBSOLETE_API 1
+#endif
+
+#if MOZ_STRING_WITH_OBSOLETE_API
+// radix values for ToInteger/AppendInt
+#define kRadix10        (10)
+#define kRadix16        (16)
+#define kAutoDetect     (100)
+#define kRadixUnknown   (kAutoDetect+1)
+#define IGNORE_CASE     (true)
+#endif
+
+
+// declare nsString, et. al.
+#include "string-template-def-unichar.h"
+#include "nsTString.h"
+#include "string-template-undef.h"
+
+// declare nsCString, et. al.
+#include "string-template-def-char.h"
+#include "nsTString.h"
+#include "string-template-undef.h"
+
+static_assert(sizeof(char16_t) == 2, "size of char16_t must be 2");
+static_assert(sizeof(nsString::char_type) == 2,
+              "size of nsString::char_type must be 2");
+static_assert(nsString::char_type(-1) > nsString::char_type(0),
+              "nsString::char_type must be unsigned");
+static_assert(sizeof(nsCString::char_type) == 1,
+              "size of nsCString::char_type must be 1");
+
+
+/**
+ * A helper class that converts a UTF-16 string to ASCII in a lossy manner
+ */
+class NS_LossyConvertUTF16toASCII : public nsAutoCString
+{
+public:
+  explicit NS_LossyConvertUTF16toASCII(const char16ptr_t aString)
+  {
+    LossyAppendUTF16toASCII(aString, *this);
+  }
+
+  NS_LossyConvertUTF16toASCII(const char16ptr_t aString, uint32_t aLength)
+  {
+    LossyAppendUTF16toASCII(Substring(aString, aLength), *this);
+  }
+
+  explicit NS_LossyConvertUTF16toASCII(const nsAString& aString)
+  {
+    LossyAppendUTF16toASCII(aString, *this);
+  }
+
+private:
+  // NOT TO BE IMPLEMENTED
+  NS_LossyConvertUTF16toASCII(char) = delete;
+};
+
+
+class NS_ConvertASCIItoUTF16 : public nsAutoString
+{
+public:
+  explicit NS_ConvertASCIItoUTF16(const char* aCString)
+  {
+    AppendASCIItoUTF16(aCString, *this);
+  }
+
+  NS_ConvertASCIItoUTF16(const char* aCString, uint32_t aLength)
+  {
+    AppendASCIItoUTF16(Substring(aCString, aLength), *this);
+  }
+
+  explicit NS_ConvertASCIItoUTF16(const nsACString& aCString)
+  {
+    AppendASCIItoUTF16(aCString, *this);
+  }
+
+private:
+  // NOT TO BE IMPLEMENTED
+  NS_ConvertASCIItoUTF16(char16_t) = delete;
+};
+
+
+/**
+ * A helper class that converts a UTF-16 string to UTF-8
+ */
+class NS_ConvertUTF16toUTF8 : public nsAutoCString
+{
+public:
+  explicit NS_ConvertUTF16toUTF8(const char16ptr_t aString)
+  {
+    AppendUTF16toUTF8(aString, *this);
+  }
+
+  NS_ConvertUTF16toUTF8(const char16ptr_t aString, uint32_t aLength)
+  {
+    AppendUTF16toUTF8(Substring(aString, aLength), *this);
+  }
+
+  explicit NS_ConvertUTF16toUTF8(const nsAString& aString)
+  {
+    AppendUTF16toUTF8(aString, *this);
+  }
+
+private:
+  // NOT TO BE IMPLEMENTED
+  NS_ConvertUTF16toUTF8(char) = delete;
+};
+
+
+class NS_ConvertUTF8toUTF16 : public nsAutoString
+{
+public:
+  explicit NS_ConvertUTF8toUTF16(const char* aCString)
+  {
+    AppendUTF8toUTF16(aCString, *this);
+  }
+
+  NS_ConvertUTF8toUTF16(const char* aCString, uint32_t aLength)
+  {
+    AppendUTF8toUTF16(Substring(aCString, aLength), *this);
+  }
+
+  explicit NS_ConvertUTF8toUTF16(const nsACString& aCString)
+  {
+    AppendUTF8toUTF16(aCString, *this);
+  }
+
+private:
+  // NOT TO BE IMPLEMENTED
+  NS_ConvertUTF8toUTF16(char16_t) = delete;
+};
+
+
+#ifdef MOZ_USE_CHAR16_WRAPPER
+
+inline char16_t*
+wwc(wchar_t* aStr)
+{
+  return reinterpret_cast<char16_t*>(aStr);
+}
+
+inline wchar_t*
+wwc(char16_t* aStr)
+{
+  return reinterpret_cast<wchar_t*>(aStr);
+}
+
+inline const char16_t*
+wwc(const wchar_t* aStr)
+{
+  return reinterpret_cast<const char16_t*>(aStr);
+}
+
+inline const wchar_t*
+wwc(const char16_t* aStr)
+{
+  return reinterpret_cast<const wchar_t*>(aStr);
+}
+
+#else
+
+inline char16_t*
+wwc(char16_t* aStr)
+{
+  return aStr;
+}
+
+inline const char16_t*
+wwc(const char16_t* aStr)
+{
+  return aStr;
+}
+
+#endif
+
+// the following are included/declared for backwards compatibility
+typedef nsAutoString nsVoidableString;
+
+#include "nsDependentString.h"
+#include "nsLiteralString.h"
+#include "nsPromiseFlatString.h"
+
+// need to include these for backwards compatibility
+#include "nsMemory.h"
+#include <string.h>
+#include <stdio.h>
+#include "plhash.h"
+
+#endif // !defined(nsString_h___)