--- psiconv/trunk/lib/psiconv/unicode.h	2004/02/21 13:24:04	216
+++ psiconv/trunk/lib/psiconv/unicode.h	2004/02/22 22:24:39	217
@@ -22,6 +22,7 @@
 
 #include <psiconv/general.h>
 #include <psiconv/configuration.h>
+#include <psiconv/buffer.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -38,26 +39,17 @@
 
 /* Translate a single character to a unicode character, using the
    translation tables in config */
-extern psiconv_ucs2 psiconv_unicode_from_char(const psiconv_config config,
-                                              psiconv_u8 input);
+extern psiconv_ucs2 psiconv_unicode_read_char(const psiconv_config config,
+                                              psiconv_buffer buf,
+					      int lev,psiconv_u32 off,
+					      int *length,
+                                              int *status);
+
+extern int psiconv_unicode_write_char(const psiconv_config config,
+                                               psiconv_buffer buf,
+					       int lev,
+					       psiconv_ucs2 value);
 
-/* Translate a single unicode character to a normal character, using the
-   translation tables in config */
-extern psiconv_u8 psiconv_unicode_to_char(psiconv_config config,
-                                          psiconv_ucs2 input);
-
-/* Translate a normal string to unicode.
-   Output is allocated by this function on success, and must be freed by
-   hand. */
-extern int psiconv_unicode_from_chars(const psiconv_config config,
-                                      const psiconv_u8 *input,
-				      psiconv_ucs2 **output);
-/* Translate a unicode string to a normal one.
-   Output is allocated by this function on success, and must be freed by
-   hand. */
-extern int psiconv_unicode_to_chars(const psiconv_config config,
-                                    const psiconv_ucs2 *input,
-				    psiconv_u8 **output);
 
 /* Compute the length of a unicode string */
 extern int psiconv_unicode_strlen(const psiconv_ucs2 *input);
@@ -66,7 +58,11 @@
 extern psiconv_ucs2 *psiconv_unicode_strdup(const psiconv_ucs2 *input);
 
 /* Compare two unicode strings. Ordering as in Unicode codepoints! */
-int psiconv_unicode_strcmp(const psiconv_ucs2 *str1, const psiconv_ucs2 *str2);
+extern int psiconv_unicode_strcmp(const psiconv_ucs2 *str1, const psiconv_ucs2 *str2);
+
+/* Return a newly allocated empty string */
+extern psiconv_ucs2 *psiconv_unicode_empty_string(void);
+
 
 #ifdef __cplusplus
 }