*/
typedef struct cql_transform_t_ *cql_transform_t;
+/** \brief creates a CQL transform handle
+ \returns transform handle or NULL for failure
+*/
+YAZ_EXPORT
+cql_transform_t cql_transform_create(void);
+
/** \brief creates a CQL transform handle from am opened file handle
\param f file where transformation spec is read
\returns transform handle or NULL for failure
YAZ_EXPORT
cql_transform_t cql_transform_open_fname(const char *fname);
+
+/** \brief defines CQL transform pattern
+ \param ct CQL transform handle
+ \param pattern pattern string
+ \param value pattern value
+ \returns 0 for succes; -1 for failure
+*/
+YAZ_EXPORT
+int cql_transform_define_pattern(cql_transform_t ct, const char *pattern,
+ const char *value);
+
+
+
/** \brief destroys a CQL transform handle
\param ct CQL transform handle
*/
YAZ_EXPORT
int cql_transform_error(cql_transform_t ct, const char **addinfo);
+/** \brief sets error and addinfo for transform
+ \param ct CQL transform handle
+ \param error error code
+ \param addinfo additional info
+ */
+YAZ_EXPORT
+void cql_transform_set_error(cql_transform_t ct, int error, const char *addinfo);
+
/** \brief returns the CQL message corresponding to a given error code.
\param code error code
\returns text message