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Diffstat (limited to 'ACE/ace/UTF8_Encoding_Converter.cpp')
-rw-r--r--ACE/ace/UTF8_Encoding_Converter.cpp92
1 files changed, 92 insertions, 0 deletions
diff --git a/ACE/ace/UTF8_Encoding_Converter.cpp b/ACE/ace/UTF8_Encoding_Converter.cpp
new file mode 100644
index 00000000000..0a6ee6e54f5
--- /dev/null
+++ b/ACE/ace/UTF8_Encoding_Converter.cpp
@@ -0,0 +1,92 @@
+// $Id$
+
+#include "ace/UTF8_Encoding_Converter.h"
+
+#if defined (ACE_USES_WCHAR)
+#include "ace/UTF16_Encoding_Converter.h"
+#include "ace/UTF32_Encoding_Converter.h"
+#include "ace/OS_NS_string.h"
+#include "ace/OS_Memory.h"
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+ACE_UTF8_Encoding_Converter::ACE_UTF8_Encoding_Converter (void)
+ : native_ (0)
+{
+ // Choose a converter for the ASCII or UTF-8 string to a wide character
+ // string which we will use in from_utf8. We have to make an
+ // assumption here about the encoding based on the size of ACE_TCHAR.
+ switch (sizeof (ACE_TCHAR))
+ {
+ case 4:
+ ACE_NEW(this->native_, ACE_UTF32_Encoding_Converter);
+ break;
+ case 2:
+ ACE_NEW(this->native_, ACE_UTF16_Encoding_Converter);
+ break;
+ }
+}
+
+ACE_UTF8_Encoding_Converter::~ACE_UTF8_Encoding_Converter (void)
+{
+ delete native_;
+}
+
+ACE_UTF8_Encoding_Converter::Result
+ACE_UTF8_Encoding_Converter::to_utf8 (const void* source,
+ size_t source_size,
+ ACE_Byte* target,
+ size_t target_size,
+ bool /*strict*/)
+{
+ if (target_size >= source_size)
+ {
+ ACE_OS::memcpy (target, source, source_size);
+ return CONVERSION_OK;
+ }
+
+ return TARGET_EXHAUSTED;
+}
+
+ACE_UTF8_Encoding_Converter::Result
+ACE_UTF8_Encoding_Converter::from_utf8 (const ACE_Byte* source,
+ size_t source_size,
+ void* target,
+ size_t target_size,
+ bool strict)
+{
+ if (this->native_ != 0)
+ {
+ return this->native_->from_utf8(source, source_size,
+ target, target_size, strict);
+ }
+
+ ACE_TCHAR* targetStart = static_cast<ACE_TCHAR*> (target);
+ ACE_OS::strncpy (targetStart,
+ ACE_TEXT_CHAR_TO_TCHAR (
+ reinterpret_cast<const char*> (source)),
+ source_size);
+ targetStart[source_size] = 0;
+ return CONVERSION_OK;
+}
+
+ACE_UTF8_Encoding_Converter*
+ACE_UTF8_Encoding_Converter::encoded (const ACE_Byte* source,
+ size_t source_size)
+{
+ for(size_t i = 0; i < source_size; i++)
+ {
+ if (source[i] < 0x01 || source[i] > 0x7f)
+ return 0;
+ }
+
+ // All characters are "valid" ASCII
+ ACE_UTF8_Encoding_Converter* converter = 0;
+ ACE_NEW_RETURN (converter,
+ ACE_UTF8_Encoding_Converter,
+ 0);
+ return converter;
+}
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+#endif /* ACE_USES_WCHAR */