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Diffstat (limited to 'ACE/ace/UTF8_Encoding_Converter.h')
-rw-r--r-- | ACE/ace/UTF8_Encoding_Converter.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/ACE/ace/UTF8_Encoding_Converter.h b/ACE/ace/UTF8_Encoding_Converter.h new file mode 100644 index 00000000000..4ef6fb7fad3 --- /dev/null +++ b/ACE/ace/UTF8_Encoding_Converter.h @@ -0,0 +1,72 @@ +// -*- C++ -*- + +//========================================================================= +/** + * @file UTF8_Encoding_Converter.h + * + * $Id$ + * + * This class contains declarations for methods that convert between + * UTF-8 and the native ACE_TCHAR representation. + * + * @author Chad Elliott <elliott_c@ociweb.com> + */ +//========================================================================= + +#ifndef ACE_UTF8_ENCODING_CONVERTER_H +#define ACE_UTF8_ENCODING_CONVERTER_H + +#include /**/ "ace/pre.h" + +#include "ace/Encoding_Converter.h" + +#if defined (ACE_USES_WCHAR) +ACE_BEGIN_VERSIONED_NAMESPACE_DECL + +/** Convert from UTF-16 or UTF-32 to UTF-8. + * This class implements the ACE_Encoding_Converter interface. + */ +class ACE_UTF8_Encoding_Converter: public ACE_Encoding_Converter +{ +public: + /// Allocate the converter to be used by the from_utf8() method based + /// on the size of the native wide character. + ACE_UTF8_Encoding_Converter (void); + + /// De-allocate the native converter. + virtual ~ACE_UTF8_Encoding_Converter (void); + + /// Since the source *must be* UTF-8, there is no conversion required. + /// This method just copies the source to the target given that there + /// is enough space. + virtual Result to_utf8 (const void* source, + size_t source_size, + ACE_Byte* target, + size_t target_size, + bool strict = true); + + /// Utilize the native converter to convert the UTF-8 source into an + /// alternate encoding and store it in the provided target buffer. + virtual Result from_utf8 (const ACE_Byte* source, + size_t source_size, + void* target, + size_t target_size, + bool strict = true); + + + /// This factory helper method determines if the source stream is UTF-8 + /// encoded. If it is, allocate an ACE_UTF8_Encoding_Converter and + /// return it. The caller then owns the allocated object. + static ACE_UTF8_Encoding_Converter* encoded (const ACE_Byte* source, + size_t source_size); + +private: + ACE_Encoding_Converter* native_; +}; + +ACE_END_VERSIONED_NAMESPACE_DECL +#endif /* ACE_USES_WCHAR */ + +#include /**/ "ace/post.h" + +#endif /* ACE_UTF8_ENCODING_CONVERTER_H */ |