112 lines
3.7 KiB
C
112 lines
3.7 KiB
C
#include "../graph.h"
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#include "../module_registry.h"
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typedef struct {
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GraphNode as_GraphNode;
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EventPredicateHandle target;
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EventPredicateHandle enable_on, disable_on, invert_on, uninvert_on;
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} ModifyPredicateGraphNode;
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static bool
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handle_event(EventPositionBase * self, EventNode * event)
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{
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ModifyPredicateGraphNode *node = DOWNCAST(ModifyPredicateGraphNode, GraphNode, DOWNCAST(GraphNode, EventPositionBase, self));
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bool
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should_enable = false,
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should_disable = false,
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should_invert = false,
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should_uninvert = false;
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EventPredicateHandle target = node->target;
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EventPredicate target_state = event_predicate_get(target);
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if (target_state.enabled) {
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should_disable = event_predicate_apply(node->disable_on, event) == EVPREDRES_ACCEPTED;
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} else {
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should_enable = event_predicate_apply(node->enable_on, event) == EVPREDRES_ACCEPTED;
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}
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if (target_state.inverted) {
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should_uninvert = event_predicate_apply(node->uninvert_on, event) == EVPREDRES_ACCEPTED;
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} else {
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should_invert = event_predicate_apply(node->invert_on, event) == EVPREDRES_ACCEPTED;
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}
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if (should_enable) {
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event_predicate_set_enabled(target, true);
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}
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if (should_disable) {
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event_predicate_set_enabled(target, false);
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}
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if (should_invert) {
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event_predicate_set_inverted(target, true);
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}
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if (should_uninvert) {
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event_predicate_set_inverted(target, false);
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}
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event_destroy(event);
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return true;
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}
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static GraphNode *
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create(GraphNodeSpecification * spec, GraphNodeConfig * config, InitializationEnvironment * env)
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{
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if (!config->options) {
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return NULL;
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}
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ModifyPredicateGraphNode * node = T_ALLOC(1, ModifyPredicateGraphNode);
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if (!node) {
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return NULL;
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}
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EventPredicateHandle target = env_resolve_event_predicate(env, config_setting_get_member(config->options, "target"));
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if (target < 0) {
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free(node);
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return NULL;
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}
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*node = (ModifyPredicateGraphNode) {
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.as_GraphNode = {
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.as_EventPositionBase = {
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.handle_event = &handle_event,
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.waiting_new_event = false,
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},
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.specification = spec,
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.inputs = EMPTY_GRAPH_CHANNEL_LIST,
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.outputs = EMPTY_GRAPH_CHANNEL_LIST,
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},
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.target = target,
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.enable_on = env_resolve_event_predicate(env, config_setting_get_member(config->options, "enable_on")),
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.disable_on = env_resolve_event_predicate(env, config_setting_get_member(config->options, "disable_on")),
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.invert_on = env_resolve_event_predicate(env, config_setting_get_member(config->options, "invert_on")),
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.uninvert_on = env_resolve_event_predicate(env, config_setting_get_member(config->options, "uninvert_on")),
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};
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return &node->as_GraphNode;
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}
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static void destroy
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(GraphNodeSpecification * self, GraphNode * target)
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{
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(void) self;
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free(target);
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}
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GraphNodeSpecification nodespec_modify_predicate = (GraphNodeSpecification) {
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.create = &create,
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.destroy = &destroy,
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.register_io = NULL,
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.name = "modify_predicate",
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.documentation = "Changes 'enabled' and 'inverted' flags of a predicate\nAccepts events on any connector\nDoes not send events"
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"\nOption 'target' (required): the predicate to modify"
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"\nOption 'enable_on' (optional): the predicate, satisfying events of which set 'enabled' flag of the target predicate to 1"
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"\nOption 'disable_on' (optional): the predicate, satisfying events of which set 'enabled' flag of the target predicate to 0"
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"\nOption 'invert_on' (optional): the predicate, satisfying events of which set 'inverted' flag of the target predicate to 1"
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"\nOption 'uninvert_on' (optional): the predicate, satisfying events of which set 'inverted' flag of the target predicate to 0"
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,
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};
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MODULE_CONSTRUCTOR(init)
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{
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register_graph_node_specification(&nodespec_modify_predicate);
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}
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