postlicyd/filter.c

   1 /******************************************************************************/
   2 /*          pfixtools: a collection of postfix related tools                  */
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  30 /******************************************************************************/
  31
  32 /*
  33  * Copyright © 2008 Florent Bruneau
  34  */
  35
  36 #include "str.h"
  37 #include "buffer.h"
  38 #include "filter.h"
  39
  40 static filter_runner_t      runners[FTK_count];
  41 static filter_constructor_t constructors[FTK_count];
  42 static filter_destructor_t  destructors[FTK_count];
  43
  44 void filter_register(const char *type, filter_constructor_t constructor,
  45                      filter_destructor_t destructor, filter_runner_t runner)
  46 {
  47     filter_token tok = filter_tokenize(type, m_strlen(type));
  48     assert(tok != FTK_UNKNOWN && "Unknown filter type");
  49     runners[tok] = runner;
  50     constructors[tok] = constructor;
  51     destructors[tok] = destructor;
  52 }
  53
  54 bool filter_build(filter_t *filter)
  55 {
  56     filter_constructor_t constructor = constructors[filter->type];
  57     if (constructor) {
  58         return constructor(filter);
  59     }
  60     return true;
  61 }
  62
  63 void filter_wipe(filter_t *filter)
  64 {
  65     filter_destructor_t destructor = destructors[filter->type];
  66     if (destructor) {
  67         destructor(filter);
  68     }
  69     p_delete(&filter->hooks);
  70     p_delete(&filter->params);
  71     p_delete(&filter->name);
  72 }
  73
  74 filter_result_t filter_run(const filter_t *filter, const query_t *query)
  75 {
  76     return runners[filter->type](filter, query);
  77 }
  78
  79 bool filter_set_name(filter_t *filter, const char *name, ssize_t len)
  80 {
  81     filter->name = p_new(char, len + 1);
  82     memcpy(filter->name, name, len);
  83     filter->name[len] = '\0';
  84     return true;
  85 }
  86
  87 bool filter_set_type(filter_t *filter, const char *type, ssize_t len)
  88 {
  89     filter->type = filter_tokenize(type, len);
  90     return filter->type != FTK_UNKNOWN;
  91 }
  92
  93 bool filter_add_param(filter_t *filter, const char *name, ssize_t name_len,
  94                       const char *value, ssize_t value_len)
  95 {
  96     return true;
  97 }
  98
  99 bool filter_add_hook(filter_t *filter, const char *name, ssize_t name_len,
 100                      const char *value, ssize_t value_len)
 101 {
 102     return true;
 103 }