ACEXML_Encoding Class Reference

ACEXML_Encoding. More...

#include <ACEXML/common/Encoding.h>

List of all members.

Public Types
	UCS4BE
	UCS4LE
	UCS4_2143
	UCS4_3412
	UTF16BE
	UTF16LE
	UTF8
	OTHER
enum	{   UCS4BE, UCS4LE, UCS4_2143, UCS4_3412,   UTF16BE, UTF16LE, UTF8, OTHER }
Static Public Member Functions
static const ACEXML_Char *	get_encoding (const char *input)
Public Attributes
enum ACEXML_Encoding:: { ... }	ENCODING
Static Public Attributes
static const ACEXML_Char *	encoding_names_ [8]
static const ACEXML_UTF8	byte_order_mark_ [][4]
static const ACEXML_UTF8	magic_values_ [][4]

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Detailed Description

ACEXML_Encoding.

Wrapper class for determining the encoding of a file or a byte stream.

Definition at line 35 of file Encoding.h.

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Member Enumeration Documentation

anonymous enum

Enumerator:

UCS4BE
UCS4LE
UCS4_2143
UCS4_3412
UTF16BE
UTF16LE
UTF8
OTHER

Definition at line 38 of file Encoding.h.

       {
    UCS4BE,
    UCS4LE,
    UCS4_2143,
    UCS4_3412,
    UTF16BE,
    UTF16LE,
    UTF8,
    OTHER
  } ENCODING;

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Member Function Documentation

const ACEXML_Char * ACEXML_Encoding::get_encoding

(

const char *

input

)

[static]

Definition at line 38 of file Encoding.cpp.

References byte_order_mark_, encoding_names_, magic_values_, ACE_OS::memcmp(), UTF16BE, UTF16LE, and UTF8.

Referenced by ACEXML_StrCharStream::determine_encoding(), ACEXML_HttpCharStream::determine_encoding(), and ACEXML_FileCharStream::determine_encoding().

{
  if ((ACE_OS::memcmp (&ACEXML_Encoding::byte_order_mark_[ACEXML_Encoding::UTF16BE][0], input, 2) == 0)
      && (input[2] != 0 || input[3] != 0)) // 3 & 4 should not be both zero
    return ACEXML_Encoding::encoding_names_[ACEXML_Encoding::UTF16BE];
  else if ((ACE_OS::memcmp (&ACEXML_Encoding::byte_order_mark_[ACEXML_Encoding::UTF16LE][0], input, 2) == 0)
    && (input[2] != 0 || input[3] != 0)) // 3 & 4 should not be both zero
    return ACEXML_Encoding::encoding_names_[ACEXML_Encoding::UTF16LE];
  else if (ACE_OS::memcmp (&ACEXML_Encoding::byte_order_mark_[ACEXML_Encoding::UTF8][0], input, 3) == 0)
    return ACEXML_Encoding::encoding_names_[ACEXML_Encoding::UTF8];
  else if (ACE_OS::memcmp (&ACEXML_Encoding::magic_values_[ACEXML_Encoding::UTF16BE][0], input, 4) == 0)
    return ACEXML_Encoding::encoding_names_[ACEXML_Encoding::UTF16BE];
  else if (ACE_OS::memcmp (&ACEXML_Encoding::magic_values_[ACEXML_Encoding::UTF16LE][0], input, 4) == 0)
    return ACEXML_Encoding::encoding_names_[ACEXML_Encoding::UTF16LE];
  else if (ACE_OS::memcmp (&ACEXML_Encoding::magic_values_[ACEXML_Encoding::UTF8][0], input, 4) == 0)
    return ACEXML_Encoding::encoding_names_[ACEXML_Encoding::UTF8];
  else
    {
      // ACE_ERROR ((LM_ERROR, "Unknown encoding. Assuming UTF-8\n"));
      return ACEXML_Encoding::encoding_names_[ACEXML_Encoding::UTF8];
    }
}

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Member Data Documentation

const ACEXML_UTF8 ACEXML_Encoding::byte_order_mark_ [static]

Initial value:

 {
  { '\x00', '\x00', '\xFE', '\xFF' }, 
  { '\xFF', '\xFE', '\x00', '\x00' }, 
  { '\x00', '\x00', '\xFF', '\xFE' }, 
  { '\xFE', '\xFF', '\x00', '\x00' }, 
  { '\xFE', '\xFF', '\xFF', '\xFF' }, 
  { '\xFF', '\xFE', '\xFF', '\xFF' }, 
  { '\xEF', '\xBB', '\xBF', '\xFF' }  
}

Definition at line 51 of file Encoding.h.

Referenced by get_encoding().

enum { ... } ACEXML_Encoding::ENCODING

const ACEXML_Char * ACEXML_Encoding::encoding_names_ [static]

Initial value:

 {
  ACE_TEXT ("UCS-4BE"),
  ACE_TEXT ("UCS-4LE"),
  ACE_TEXT ("UCS-4_2143"),
  ACE_TEXT ("UCS-4_3412"),
  ACE_TEXT ("UTF-16"),
  ACE_TEXT ("UTF-16"),
  ACE_TEXT ("UTF-8"),

}

Definition at line 49 of file Encoding.h.

Referenced by get_encoding().

const ACEXML_UTF8 ACEXML_Encoding::magic_values_ [static]

Initial value:

 {
  { '\x00', '\x00', '\x00', '\x3c' }, 
  { '\x3c', '\x00', '\x00', '\x00' }, 
  { '\x00', '\x00', '\x3c', '\x00' }, 
  { '\x00', '\x3c', '\x00', '\x00' }, 
  { '\x00', '\x3c', '\x00', '\x3f' }, 
  { '\x3c', '\x00', '\x3f', '\x00' }, 
  { '\x3c', '\x3f', '\x78', '\x6d' }, 
}

Definition at line 53 of file Encoding.h.

Referenced by get_encoding().

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The documentation for this class was generated from the following files:

• Encoding.h
• Encoding.cpp

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