Add m-esr52 at 52.6.0

1 files changed, 425 insertions, 0 deletions

diff --git a/intl/uconv/nsUCSupport.h b/intl/uconv/nsUCSupport.h
new file mode 100644
index 000000000..1e8fb6d6f
--- /dev/null
+++ b/intl/uconv/nsUCSupport.h
@@ -0,0 +1,425 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 nsUCvJaSupport_h___
+#define nsUCvJaSupport_h___
+
+#include "nsCOMPtr.h"
+#include "nsIUnicodeEncoder.h"
+#include "nsIUnicodeDecoder.h"
+#include "uconvutil.h"
+#include "mozilla/Mutex.h"
+
+#define ONE_BYTE_TABLE_SIZE 256
+
+inline bool WillOverrun(char16_t* aDest, char16_t* aDestEnd, uint32_t aLength)
+{
+  NS_ASSERTION(aDest <= aDestEnd, "Pointer overrun even before check");
+  return (uint32_t(aDestEnd - aDest) < aLength);
+}
+#define CHECK_OVERRUN(dest, destEnd, length) (WillOverrun(dest, destEnd, length))
+
+#ifdef DEBUG
+// {7AFC9F0A-CFE1-44ea-A755-E3B86AB1226E}
+#define NS_IBASICDECODER_IID \
+{ 0x7afc9f0a, 0xcfe1, 0x44ea, { 0xa7, 0x55, 0xe3, 0xb8, 0x6a, 0xb1, 0x22, 0x6e } }
+
+// {65968A7B-6467-4c4a-B50A-3E0C97A32F07}
+#define NS_IBASICENCODER_IID \
+{ 0x65968a7b, 0x6467, 0x4c4a, { 0xb5, 0xa, 0x3e, 0xc, 0x97, 0xa3, 0x2f, 0x7 } }
+
+class nsIBasicDecoder : public nsISupports {
+public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IBASICDECODER_IID)
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIBasicDecoder, NS_IBASICDECODER_IID)
+
+class nsIBasicEncoder : public nsISupports {
+public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IBASICENCODER_IID)
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIBasicEncoder, NS_IBASICENCODER_IID)
+
+#endif
+
+//----------------------------------------------------------------------
+// Class nsBasicDecoderSupport [declaration]
+
+/**
+ * Support class for the Unicode decoders. 
+ *
+ * The class source files for this class are in /ucvlatin/nsUCvJaSupport. 
+ * However, because these objects requires non-xpcom subclassing, local copies
+ * will be made into the other directories using them. Just don't forget to 
+ * keep in sync with the master copy!
+ * 
+ * This class implements:
+ * - nsISupports
+ * - nsIUnicodeDecoder
+ *
+ * @created         19/Apr/1999
+ * @author  Catalin Rotaru [CATA]
+ */
+class nsBasicDecoderSupport : public nsIUnicodeDecoder
+#ifdef DEBUG
+                              ,public nsIBasicDecoder
+#endif
+{
+  NS_DECL_THREADSAFE_ISUPPORTS
+
+public:
+
+  /**
+   * Class constructor.
+   */
+  nsBasicDecoderSupport();
+
+  //--------------------------------------------------------------------
+  // Interface nsIUnicodeDecoder [declaration]
+
+  virtual void SetInputErrorBehavior(int32_t aBehavior) override;
+  virtual char16_t GetCharacterForUnMapped() override;
+
+protected:
+  int32_t   mErrBehavior;
+
+  /**
+   * Class destructor.
+   */
+  virtual ~nsBasicDecoderSupport();
+};
+
+//----------------------------------------------------------------------
+// Class nsBufferDecoderSupport [declaration]
+
+/**
+ * Support class for the Unicode decoders. 
+ *
+ * This class implements:
+ * - the buffer management
+ *
+ * @created         15/Mar/1999
+ * @author  Catalin Rotaru [CATA]
+ */
+class nsBufferDecoderSupport : public nsBasicDecoderSupport
+{
+protected:
+
+  /**
+   * Internal buffer for partial conversions.
+   */
+  char *    mBuffer;
+  int32_t   mBufferCapacity;
+  int32_t   mBufferLength;
+
+  uint32_t  mMaxLengthFactor;
+  
+  /**
+   * Convert method but *without* the buffer management stuff.
+   */
+  NS_IMETHOD ConvertNoBuff(const char * aSrc, int32_t * aSrcLength, 
+      char16_t * aDest, int32_t * aDestLength) = 0;
+
+  void FillBuffer(const char ** aSrc, int32_t aSrcLength);
+
+public:
+
+  /**
+   * Class constructor.
+   */
+  explicit nsBufferDecoderSupport(uint32_t aMaxLengthFactor);
+
+  /**
+   * Class destructor.
+   */
+  virtual ~nsBufferDecoderSupport();
+
+  //--------------------------------------------------------------------
+  // Interface nsIUnicodeDecoder [declaration]
+
+  NS_IMETHOD Convert(const char * aSrc, int32_t * aSrcLength, 
+      char16_t * aDest, int32_t * aDestLength);
+  NS_IMETHOD Reset();
+  NS_IMETHOD GetMaxLength(const char *aSrc,
+                          int32_t aSrcLength,
+                          int32_t* aDestLength);
+};
+
+//----------------------------------------------------------------------
+// Class nsMultiTableDecoderSupport [declaration]
+
+/**
+ * Support class for a multi-table-driven Unicode decoder.
+ * 
+ * @created         24/Mar/1999
+ * @author  Catalin Rotaru [CATA]
+ */
+class nsMultiTableDecoderSupport : public nsBufferDecoderSupport
+{
+public:
+
+  /**
+   * Class constructor.
+   */
+  nsMultiTableDecoderSupport(int32_t aTableCount, const uRange * aRangeArray, 
+                             uScanClassID * aScanClassArray,
+                             uMappingTable ** aMappingTable,
+                             uint32_t aMaxLengthFactor);
+
+  /**
+   * Class destructor.
+   */
+  virtual ~nsMultiTableDecoderSupport();
+
+protected:
+
+  int32_t                   mTableCount;
+  const uRange              * mRangeArray;
+  uScanClassID              * mScanClassArray;
+  uMappingTable             ** mMappingTable;
+
+  //--------------------------------------------------------------------
+  // Subclassing of nsBufferDecoderSupport class [declaration]
+
+  NS_IMETHOD ConvertNoBuff(const char * aSrc, int32_t * aSrcLength, 
+      char16_t * aDest, int32_t * aDestLength);
+};
+
+//----------------------------------------------------------------------
+// Class nsBufferDecoderSupport [declaration]
+
+/**
+ * Support class for a single-byte Unicode decoder.
+ *
+ * @created         19/Apr/1999
+ * @author  Catalin Rotaru [CATA]
+ */
+class nsOneByteDecoderSupport : public nsBasicDecoderSupport
+{
+public:
+
+  /**
+   * Class constructor.
+   */
+  explicit nsOneByteDecoderSupport(uMappingTable * aMappingTable);
+
+  /**
+   * Class destructor.
+   */
+  virtual ~nsOneByteDecoderSupport();
+
+protected:
+
+  uMappingTable             * mMappingTable;
+  char16_t                 mFastTable[ONE_BYTE_TABLE_SIZE];
+  bool                      mFastTableCreated;
+  mozilla::Mutex            mFastTableMutex;
+
+  //--------------------------------------------------------------------
+  // Subclassing of nsBasicDecoderSupport class [declaration]
+
+  NS_IMETHOD Convert(const char * aSrc, int32_t * aSrcLength, 
+      char16_t * aDest, int32_t * aDestLength);
+  NS_IMETHOD GetMaxLength(const char * aSrc, int32_t aSrcLength, 
+      int32_t * aDestLength);
+  NS_IMETHOD Reset();
+};
+
+//----------------------------------------------------------------------
+// Class nsBasicEncoder [declaration]
+
+class nsBasicEncoder : public nsIUnicodeEncoder
+#ifdef DEBUG
+                       ,public nsIBasicEncoder
+#endif
+{
+  NS_DECL_ISUPPORTS
+
+public:
+  /**
+   * Class constructor.
+   */
+  nsBasicEncoder();
+
+protected:
+  /**
+   * Class destructor.
+   */
+  virtual ~nsBasicEncoder();
+
+};
+//----------------------------------------------------------------------
+// Class nsEncoderSupport [declaration]
+
+/**
+ * Support class for the Unicode encoders. 
+ *
+ * This class implements:
+ * - nsISupports
+ * - the buffer management
+ * - error handling procedure(s)
+ *
+ * @created         17/Feb/1999
+ * @author  Catalin Rotaru [CATA]
+ */
+class nsEncoderSupport :  public nsBasicEncoder
+{
+
+protected:
+
+  /**
+   * Internal buffer for partial conversions.
+   */
+  char *    mBuffer;
+  int32_t   mBufferCapacity;
+  char *    mBufferStart;
+  char *    mBufferEnd;
+
+  /**
+   * Error handling stuff
+   */
+  int32_t   mErrBehavior;
+  nsCOMPtr<nsIUnicharEncoder> mErrEncoder;
+  char16_t mErrChar;
+  uint32_t  mMaxLengthFactor;
+
+  /**
+   * Convert method but *without* the buffer management stuff and *with* 
+   * error handling stuff.
+   */
+  NS_IMETHOD ConvertNoBuff(const char16_t * aSrc, int32_t * aSrcLength, 
+      char * aDest, int32_t * aDestLength);
+
+  /**
+   * Convert method but *without* the buffer management stuff and *without*
+   * error handling stuff.
+   */
+  NS_IMETHOD ConvertNoBuffNoErr(const char16_t * aSrc, int32_t * aSrcLength, 
+      char * aDest, int32_t * aDestLength) = 0;
+
+  /**
+   * Finish method but *without* the buffer management stuff.
+   */
+  NS_IMETHOD FinishNoBuff(char * aDest, int32_t * aDestLength);
+
+  /**
+   * Copy as much as possible from the internal buffer to the destination.
+   */
+  nsresult FlushBuffer(char ** aDest, const char * aDestEnd);
+
+public:
+
+  /**
+   * Class constructor.
+   */
+  explicit nsEncoderSupport(uint32_t aMaxLengthFactor);
+
+  /**
+   * Class destructor.
+   */
+  virtual ~nsEncoderSupport();
+
+  //--------------------------------------------------------------------
+  // Interface nsIUnicodeEncoder [declaration]
+
+  NS_IMETHOD Convert(const char16_t * aSrc, int32_t * aSrcLength, 
+      char * aDest, int32_t * aDestLength);
+  NS_IMETHOD Finish(char * aDest, int32_t * aDestLength);
+  NS_IMETHOD Reset();
+  NS_IMETHOD SetOutputErrorBehavior(int32_t aBehavior, 
+      nsIUnicharEncoder * aEncoder, char16_t aChar);
+  NS_IMETHOD GetMaxLength(const char16_t * aSrc, 
+                          int32_t aSrcLength, 
+                          int32_t * aDestLength);
+};
+
+//----------------------------------------------------------------------
+// Class nsTableEncoderSupport [declaration]
+
+/**
+ * Support class for a single-table-driven Unicode encoder.
+ * 
+ * @created         17/Feb/1999
+ * @author  Catalin Rotaru [CATA]
+ */
+class nsTableEncoderSupport : public nsEncoderSupport
+{
+public:
+
+  /**
+   * Class constructors.
+   */
+  nsTableEncoderSupport(uScanClassID  aScanClass,
+                        uShiftOutTable * aShiftOutTable,
+                        uMappingTable  * aMappingTable,
+                        uint32_t aMaxLengthFactor);
+
+  nsTableEncoderSupport(uScanClassID  aScanClass,
+                        uMappingTable  * aMappingTable,
+                        uint32_t aMaxLengthFactor);
+
+  /**
+   * Class destructor.
+   */
+  virtual ~nsTableEncoderSupport();
+
+protected:
+
+  uScanClassID              mScanClass;
+  uShiftOutTable            * mShiftOutTable;
+  uMappingTable             * mMappingTable;
+
+  //--------------------------------------------------------------------
+  // Subclassing of nsEncoderSupport class [declaration]
+
+  NS_IMETHOD ConvertNoBuffNoErr(const char16_t * aSrc, int32_t * aSrcLength, 
+      char * aDest, int32_t * aDestLength);
+};
+
+//----------------------------------------------------------------------
+// Class nsMultiTableEncoderSupport [declaration]
+
+/**
+ * Support class for a multi-table-driven Unicode encoder.
+ * 
+ * @created         11/Mar/1999
+ * @author  Catalin Rotaru [CATA]
+ */
+class nsMultiTableEncoderSupport : public nsEncoderSupport
+{
+public:
+
+  /**
+   * Class constructor.
+   */
+  nsMultiTableEncoderSupport(int32_t aTableCount,
+                             uScanClassID * aScanClassArray,
+                             uShiftOutTable ** aShiftOutTable,
+                             uMappingTable  ** aMappingTable,
+                             uint32_t aMaxLengthFactor);
+
+  /**
+   * Class destructor.
+   */
+  virtual ~nsMultiTableEncoderSupport();
+
+protected:
+
+  int32_t                   mTableCount;
+  uScanClassID              * mScanClassArray;
+  uShiftOutTable            ** mShiftOutTable;
+  uMappingTable             ** mMappingTable;
+
+  //--------------------------------------------------------------------
+  // Subclassing of nsEncoderSupport class [declaration]
+
+  NS_IMETHOD ConvertNoBuffNoErr(const char16_t * aSrc, int32_t * aSrcLength, 
+      char * aDest, int32_t * aDestLength);
+};
+
+                        
+#endif /* nsUCvJaSupport_h___ */