X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fstringcodec%2Fcodec.h;h=eec1e4bddb092a80a03574aa6207c30df53150ea;hb=3e3868860d4f4ca1bbe55fbf271c804307cea3c9;hp=e04e909fb7a1fc5c4750db7e13f33f2d44a96f92;hpb=b56eb5ec1da675da0c66abc53c1e4f6c4e4cccbd;p=libs%2Fcore.git

diff --git a/source/stringcodec/codec.h b/source/stringcodec/codec.h
index e04e909..eec1e4b 100644
--- a/source/stringcodec/codec.h
+++ b/source/stringcodec/codec.h
@@ -1,22 +1,15 @@
-/* $Id$
-
-This file is part of libmspstrings
-Copyright © 2006-2007 Mikko Rasa
-Distributed under the LGPL
-*/
-
-#ifndef MSP_STRINGS_CODEC_H_
-#define MSP_STRINGS_CODEC_H_
+#ifndef MSP_STRINGCODEC_CODEC_H_
+#define MSP_STRINGCODEC_CODEC_H_
 
 #include <string>
 #include <msp/core/except.h>
 
 namespace Msp {
-namespace Codecs {
+namespace StringCodec {
 
-typedef int UnicodeChar;
+typedef int unichar;
 
-typedef std::basic_string<UnicodeChar> ustring;
+typedef std::basic_string<unichar> ustring;
 
 enum ErrorMode
 {
@@ -65,7 +58,7 @@ public:
 
 		/** Encodes a single unicode character.  If the character can't be
 		represented in this encoding, error() should be called. */
-		virtual void encode_char(UnicodeChar ch, std::string &buf) = 0;
+		virtual void encode_char(unichar ch, std::string &buf) = 0;
 
 		/** Encodes a unicode string.  This is equivalent to calling encode_char
 		for each character in the string with the same buffer. */
@@ -86,11 +79,11 @@ public:
 		THROW_ON_ERROR: throws CodecError(msg)
 		IGNORE_ERRORS: does nothing
 		TRANSLITERATE: calls transliterate(ch, buf) */
-		void error(UnicodeChar ch, std::string &buf, const std::string &msg);
+		void error(unichar ch, std::string &buf, const std::string &msg);
 
 		/** Attempts to produce an alternative encoding for a unicode character.
 		Typically this includes dropping accent marks or romanizing letters. */
-		virtual void transliterate(UnicodeChar ch, std::string &buf) = 0;
+		virtual void transliterate(unichar ch, std::string &buf) = 0;
 	};
 
 	/**
@@ -112,7 +105,7 @@ public:
 		state change sequence was decoded but no character followed it.  If
 		invalid input is encountered, the error() function should be called and
 		the iterator advanced only if it doesn't throw. */
-		virtual UnicodeChar decode_char(const std::string &str, std::string::const_iterator &i) = 0;
+		virtual unichar decode_char(const std::string &str, std::string::const_iterator &i) = 0;
 
 		/** Decodes a string. */
 		virtual void decode(const std::string &str, ustring &buf);
@@ -129,7 +122,7 @@ public:
 		THROW_ON_ERROR: throws CodecError(msg)
 		IGNORE_ERRORS: returns -1
 		TRANSLITERATE: return 0xFFFE */
-		UnicodeChar error(const std::string &msg);
+		unichar error(const std::string &msg);
 	};
 
 protected:
@@ -161,9 +154,7 @@ template<class C>
 ustring decode(const std::string &s)
 {
 	typename C::Decoder dec;
-	ustring result;
-	dec.decode(s, result);
-	return result;
+	return dec.decode(s);
 }
 
 /** Convenience function that encodes a string. */
@@ -171,24 +162,14 @@ template<class C>
 std::string encode(const ustring &s)
 {
 	typename C::Encoder enc;
-	std::string result;
-	enc.encode(s, result);
-	enc.sync(result);
-	return result;
+	return enc.encode(s);
 }
 
 /** Convenience function that transcodes a string from one codec to another. */
 template<class F, class T>
 std::string transcode(const std::string &s)
 {
-	typename F::Decoder from;
-	typename T::Encoder to;
-	ustring temp;
-	from.decode(s, temp);
-	std::string result;
-	to.encode(temp, result);
-	to.sync(result);
-	return result;
+	return encode<T>(decode<F>(s));
 }
 
 /** Creates a codec for an encoding by name.  The caller is responsible for
@@ -199,7 +180,7 @@ Codec *create_codec(const std::string &);
 The codec must be deleted when it's no longer needed. */
 Codec *detect_codec(const std::string &);
 
-} // namespace Codecs
+} // namespace StringCodec
 } // namespace Msp
 
 #endif