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Rebase resync
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3106 changed files with 11118 additions and 627576 deletions
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// $Id: UTF8_Encoding_Converter.cpp 80826 2008-03-04 14:51:23Z wotte $
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#include "ace/UTF8_Encoding_Converter.h"
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#if defined (ACE_USES_WCHAR)
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#include "ace/UTF16_Encoding_Converter.h"
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#include "ace/UTF32_Encoding_Converter.h"
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#include "ace/OS_NS_string.h"
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#include "ace/OS_Memory.h"
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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ACE_UTF8_Encoding_Converter::ACE_UTF8_Encoding_Converter (void)
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: native_ (0)
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{
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// Choose a converter for the ASCII or UTF-8 string to a wide character
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// string which we will use in from_utf8. We have to make an
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// assumption here about the encoding based on the size of ACE_TCHAR.
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switch (sizeof (ACE_TCHAR))
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{
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case 4:
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ACE_NEW(this->native_, ACE_UTF32_Encoding_Converter);
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break;
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case 2:
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ACE_NEW(this->native_, ACE_UTF16_Encoding_Converter);
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break;
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}
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}
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ACE_UTF8_Encoding_Converter::~ACE_UTF8_Encoding_Converter (void)
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{
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delete native_;
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}
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ACE_UTF8_Encoding_Converter::Result
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ACE_UTF8_Encoding_Converter::to_utf8 (const void* source,
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size_t source_size,
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ACE_Byte* target,
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size_t target_size,
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bool /*strict*/)
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{
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if (target_size >= source_size)
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{
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ACE_OS::memcpy (target, source, source_size);
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return CONVERSION_OK;
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}
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return TARGET_EXHAUSTED;
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}
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ACE_UTF8_Encoding_Converter::Result
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ACE_UTF8_Encoding_Converter::from_utf8 (const ACE_Byte* source,
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size_t source_size,
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void* target,
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size_t target_size,
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bool strict)
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{
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if (this->native_ != 0)
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{
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return this->native_->from_utf8(source, source_size,
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target, target_size, strict);
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}
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ACE_TCHAR* targetStart = static_cast<ACE_TCHAR*> (target);
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ACE_OS::strncpy (targetStart,
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ACE_TEXT_CHAR_TO_TCHAR (
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reinterpret_cast<const char*> (source)),
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source_size);
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targetStart[source_size] = 0;
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return CONVERSION_OK;
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}
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ACE_UTF8_Encoding_Converter*
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ACE_UTF8_Encoding_Converter::encoded (const ACE_Byte* source,
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size_t source_size)
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{
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for(size_t i = 0; i < source_size; i++)
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{
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if (source[i] < 0x01 || source[i] > 0x7f)
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return 0;
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}
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// All characters are "valid" ASCII
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ACE_UTF8_Encoding_Converter* converter = 0;
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ACE_NEW_RETURN (converter,
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ACE_UTF8_Encoding_Converter,
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0);
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return converter;
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}
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ACE_END_VERSIONED_NAMESPACE_DECL
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#endif /* ACE_USES_WCHAR */
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