X-Git-Url: https://git.dlugolecki.net.pl/?a=blobdiff_plain;f=utf8%2Futf8.h;h=e2a6f3b61ff2acc75c0c019eb333d799fa179738;hb=25f00497a6438c9e8587208f8fffd991738dab5e;hp=79836dd6d4aa265307fbcd143de342e46ca6c8e4;hpb=b254663a41a4da7bc4c9039f89411f4b3bd0b8a7;p=gedcom-parse.git

diff --git a/utf8/utf8.h b/utf8/utf8.h
index 79836dd..e2a6f3b 100644
--- a/utf8/utf8.h
+++ b/utf8/utf8.h
@@ -16,13 +16,50 @@
 extern "C" {
 #endif
 
+#include "iconv.h"
+
+struct conv_buffer {
+  char*   buffer;
+  size_t  size;
+  int     type;  /* For internal use */
+};
+
+struct convert {
+  iconv_t from_utf8;
+  iconv_t to_utf8;
+  struct conv_buffer* inbuf;
+  size_t  insize;
+  struct conv_buffer* outbuf;
+  char*   unknown;
+};
+
+typedef struct convert *convert_t;
+
   /* Returns -1 if the string is not a valid UTF-8 string, returns its
      string length otherwise */
 int   utf8_strlen(const char* input);
 
   /* Returns 1 if string is valid UTF-8 string, 0 otherwise */
 int   is_utf8_string(const char* input);
+
+  /* Functions for creating and freeing conversion buffers yourself */
+struct conv_buffer* create_conv_buffer(int size);
+void free_conv_buffer(struct conv_buffer* buf);
   
+  /* General conversion interface (is bidirectional) */
+  /* Pass 0 for external_outbuf unless you want to control the
+     output buffer yourself */
+convert_t initialize_utf8_conversion(const char* charset, int external_outbuf);
+int   conversion_set_unknown(convert_t conv, const char* unknown);
+int   conversion_set_output_buffer(convert_t conv, struct conv_buffer* buf);
+void  cleanup_utf8_conversion(convert_t conv);
+char* convert_from_utf8(convert_t conv, const char* input, int* conv_fails);
+char* convert_to_utf8(convert_t conv, const char* input);
+char* convert_to_utf8_incremental(convert_t conv,
+				  const char* input, size_t input_len);
+
+  /* Specific locale conversion interface (initializes a convert_t structure
+     implicitly */
 void  convert_set_unknown(const char* unknown);
 char* convert_utf8_to_locale(const char* input, int *conv_fails);
 char* convert_locale_to_utf8(const char* input);