script: implement script_gpio_entry_append()

script.c

@@ -126,6 +126,7 @@ void script_entry_delete(struct script_entry *entry)
 	assert(entry);
 	assert(entry->type == SCRIPT_VALUE_TYPE_SINGLE_WORD ||
 	       entry->type == SCRIPT_VALUE_TYPE_STRING ||
+	       entry->type == SCRIPT_VALUE_TYPE_GPIO ||
 	       entry->type == SCRIPT_VALUE_TYPE_NULL);
 
 	if (!list_empty(&entry->entries))
@@ -138,6 +139,9 @@ void script_entry_delete(struct script_entry *entry)
 	case SCRIPT_VALUE_TYPE_STRING:
 		container = container_of(entry, struct script_string_entry, entry);
 		break;
+	case SCRIPT_VALUE_TYPE_GPIO:
+		container = container_of(entry, struct script_gpio_entry, entry);
+		break;
 	case SCRIPT_VALUE_TYPE_NULL:
 		container = container_of(entry, struct script_null_entry, entry);
 		break;
@@ -207,3 +211,27 @@ struct script_string_entry *script_string_entry_append(struct script *script,
 
 	return entry;
 }
+
+struct script_gpio_entry *script_gpio_entry_append(struct script *script,
+						   const char *name,
+						   unsigned port, unsigned num,
+						   unsigned data[4])
+{
+	struct script_gpio_entry *entry;
+
+	assert(script);
+	assert(!list_empty(&script->sections));
+	assert(name && *name);
+
+	if ((entry = malloc(sizeof(*entry)))) {
+		entry->port = port;
+		entry->port_num = num;
+		for (int i=0; i<4; i++)
+			entry->data[i] = data[i];
+
+		script_entry_append(script, &entry->entry,
+				    SCRIPT_VALUE_TYPE_GPIO, name);
+	}
+
+	return entry;
+}

script.h

@@ -67,6 +67,14 @@ struct script_string_entry {
 	char string[];
 };
 
+/** entry describing a GPIO */
+struct script_gpio_entry {
+	struct script_entry entry;
+
+	unsigned port, port_num;
+	unsigned data[4];
+};
+
 /** create a new script tree */
 struct script *script_new(void);
 /** deletes a tree recursively */
@@ -92,5 +100,10 @@ struct script_single_entry *script_single_entry_append(struct script *script,
 struct script_string_entry *script_string_entry_append(struct script *script,
 						       const char *name,
 						       size_t l, const char *s);
+/** create a new GPIO entry appended to the last section of a tree */
+struct script_gpio_entry *script_gpio_entry_append(struct script *script,
+						   const char *name,
+						   unsigned port, unsigned num,
+						   unsigned data[4]);
 
 #endif