1 files changed, 94 insertions, 0 deletions
diff --git a/contrib/replxx/src/utf8string.hxx b/contrib/replxx/src/utf8string.hxx
new file mode 100644
index 0000000..29effa2
--- /dev/null
+++ b/contrib/replxx/src/utf8string.hxx
@@ -0,0 +1,94 @@
+#ifndef REPLXX_UTF8STRING_HXX_INCLUDED
+#define REPLXX_UTF8STRING_HXX_INCLUDED
+
+#include <memory>
+
+#include "unicodestring.hxx"
+
+namespace replxx {
+
+class Utf8String {
+private:
+	typedef std::unique_ptr<char[]> buffer_t;
+	buffer_t _data;
+	int _bufSize;
+	int _len;
+public:
+	Utf8String( void )
+		: _data()
+		, _bufSize( 0 )
+		, _len( 0 ) {
+	}
+	explicit Utf8String( UnicodeString const& src )
+		: _data()
+		, _bufSize( 0 )
+		, _len( 0 ) {
+		assign( src, src.length() );
+	}
+
+	Utf8String( UnicodeString const& src_, int len_ )
+		: _data()
+		, _bufSize( 0 )
+		, _len( 0 ) {
+		assign( src_, len_ );
+	}
+
+	void assign( UnicodeString const& str_ ) {
+		assign( str_, str_.length() );
+	}
+
+	void assign( UnicodeString const& str_, int len_ ) {
+		assign( str_.get(), len_ );
+	}
+
+	void assign( char32_t const* str_, int len_ ) {
+		int len( len_ * 4 );
+		realloc( len );
+		_len = copyString32to8( _data.get(), len, str_, len_ );
+	}
+
+	void assign( std::string const& str_ ) {
+		realloc( static_cast<int>( str_.length() ) );
+		strncpy( _data.get(), str_.c_str(), str_.length() );
+		_len = static_cast<int>( str_.length() );
+	}
+
+	void assign( Utf8String const& other_ ) {
+		realloc( other_._len );
+		strncpy( _data.get(), other_._data.get(), other_._len );
+		_len = other_._len;
+	}
+
+	char const* get() const {
+		return _data.get();
+	}
+
+	int size( void ) const {
+		return ( _len );
+	}
+
+	bool operator != ( Utf8String const& other_ ) {
+		return ( ( other_._len != _len ) || ( memcmp( other_._data.get(), _data.get(), _len ) != 0 ) );
+	}
+
+private:
+	void realloc( int reqLen ) {
+		if ( ( reqLen + 1 ) > _bufSize ) {
+			_bufSize = 1;
+			while ( ( reqLen + 1 ) > _bufSize ) {
+				_bufSize *= 2;
+			}
+			_data.reset( new char[_bufSize] );
+			memset( _data.get(), 0, _bufSize );
+		}
+		_data[reqLen] = 0;
+		return;
+	}
+	Utf8String(const Utf8String&) = delete;
+	Utf8String& operator=(const Utf8String&) = delete;
+};
+
+}
+
+#endif
+