# ifndef _LIGHTTPD_PATTERN_H_
# define _LIGHTTPD_PATTERN_H_
/* liPattern are a parsed representation of a string that can contain various placeholders like $n, %n, %{var} or {enc:var} */
/* liPattern is a GArray in disguise */
typedef GArray liPattern ;
/* a pattern callback receives an integer index range [from-to] and a data pointer (usually an array) and must return a GString* which gets inserted into the pattern result
* " from " doesn ' t have to be smaller than " to " ( allows reverse ranges ) !
*/
typedef void ( * liPatternCB ) ( GString * pattern_result , guint from , guint to , gpointer data ) ;
/* constructs a new liPattern* by parsing the given string, returns NULL on error */
LI_API liPattern * li_pattern_new ( liServer * srv , const gchar * str ) ;
LI_API void li_pattern_free ( liPattern * pattern ) ;
/* appends the result to "dest". use (and truncate) vr->wrk->tmp_str as "dest" if possible */
LI_API void li_pattern_eval ( liVRequest * vr , GString * dest , liPattern * pattern , liPatternCB nth_callback , gpointer nth_data , liPatternCB nth_prev_callback , gpointer nth_prev_data ) ;
/* default array callback, expects a GArray* containing GString* elements */
LI_API void li_pattern_array_cb ( GString * pattern_result , guint from , guint to , gpointer data ) ;
/* default regex callback, expects a GMatchInfo* */
LI_API void li_pattern_regex_cb ( GString * pattern_result , guint from , guint to , gpointer data ) ;
# endif
