Added libsieve.h

@@ -17,6 +17,7 @@ pkginclude_HEADERS = \
  folder.h \
  header.h \
  iterator.h \
+ libsieve.h \
  list.h \
  locker.h \
  mailbox.h \

+/* GNU mailutils - a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include <sys/types.h>
+#include <mailutils/mailutils.h>
+
+typedef struct sieve_machine sieve_machine_t;
+
+typedef int (*sieve_instr_t) __P((sieve_machine_t *mach, list_t *args));
+
+typedef enum {
+  SVT_VOID,
+  SVT_NUMBER,
+  SVT_STRING,
+  SVT_STRING_LIST,
+  SVT_TAG,
+  SVT_IDENT,
+  SVT_VALUE_LIST
+} sieve_data_type;
+
+typedef struct {
+  sieve_data_type type;
+  union {
+    char *string;
+    long number;
+    list_t list;
+  } v;
+} sieve_value_t;
+
+typedef struct {
+  char *name;
+  int num;
+  sieve_data_type argtype;
+} sieve_tag_def_t;
+
+typedef struct {
+  char *name;
+  int required;
+  sieve_instr_t instr;
+  int num_req_args;
+  sieve_data_type *req_args;
+  int num_tags;
+  sieve_tag_def_t *tags;
+} sieve_register_t;
+
+
+void *sieve_alloc __P((size_t size));
+int sieve_open_source __P((const char *name));
+int sieve_parse __P((const char *name));
+sieve_value_t * sieve_value_create __P((sieve_data_type type, void *data));
+
+sieve_register_t *sieve_test_lookup __P((const char *name));
+sieve_register_t *sieve_action_lookup __P((const char *name));
+int sieve_register_test __P((const char *name, sieve_instr_t instr,
+			     sieve_data_type *arg_types,
+			     sieve_tag_def_t *tags, int required));
+int sieve_register_action __P((const char *name, sieve_instr_t instr,
+			       sieve_data_type *arg_types,
+			       sieve_tag_def_t *tags, int required));
+
+void sieve_slist_destroy __P((list_t *plist));
+void sieve_require __P((list_t slist));