1 files changed, 146 insertions, 0 deletions
diff --git a/sway/config/seat.c b/sway/config/seat.c
new file mode 100644
index 00000000..bd8b45c8
--- /dev/null
+++ b/sway/config/seat.c
@@ -0,0 +1,146 @@
+#define _XOPEN_SOURCE 700
+#include <stdlib.h>
+#include <string.h>
+#include "sway/config.h"
+#include "log.h"
+
+struct seat_config *new_seat_config(const char* name) {
+	struct seat_config *seat = calloc(1, sizeof(struct seat_config));
+	if (!seat) {
+		wlr_log(L_DEBUG, "Unable to allocate seat config");
+		return NULL;
+	}
+
+	wlr_log(L_DEBUG, "new_seat_config(%s)", name);
+	seat->name = strdup(name);
+	if (!sway_assert(seat->name, "could not allocate name for seat")) {
+		free(seat);
+		return NULL;
+	}
+
+	seat->fallback = -1;
+	seat->attachments = create_list();
+	if (!sway_assert(seat->attachments,
+				"could not allocate seat attachments list")) {
+		free(seat->name);
+		free(seat);
+		return NULL;
+	}
+
+	return seat;
+}
+
+struct seat_attachment_config *seat_attachment_config_new() {
+	struct seat_attachment_config *attachment =
+		calloc(1, sizeof(struct seat_attachment_config));
+	if (!attachment) {
+		wlr_log(L_DEBUG, "cannot allocate attachment config");
+		return NULL;
+	}
+	return attachment;
+}
+
+static void seat_attachment_config_free(
+		struct seat_attachment_config *attachment) {
+	free(attachment->identifier);
+	free(attachment);
+	return;
+}
+
+static struct seat_attachment_config *seat_attachment_config_copy(
+		struct seat_attachment_config *attachment) {
+	struct seat_attachment_config *copy = seat_attachment_config_new();
+	if (!copy) {
+		return NULL;
+	}
+
+	copy->identifier = strdup(attachment->identifier);
+
+	return copy;
+}
+
+static void merge_seat_attachment_config(struct seat_attachment_config *dest,
+		struct seat_attachment_config *source) {
+	// nothing to merge yet, but there will be some day
+}
+
+void merge_seat_config(struct seat_config *dest, struct seat_config *source) {
+	if (source->name) {
+		free(dest->name);
+		dest->name = strdup(source->name);
+	}
+
+	if (source->fallback != -1) {
+		dest->fallback = source->fallback;
+	}
+
+	for (int i = 0; i < source->attachments->length; ++i) {
+		struct seat_attachment_config *source_attachment =
+			source->attachments->items[i];
+		bool found = false;
+		for (int j = 0; j < dest->attachments->length; ++j) {
+			struct seat_attachment_config *dest_attachment =
+				dest->attachments->items[j];
+			if (strcmp(source_attachment->identifier,
+						dest_attachment->identifier) == 0) {
+				merge_seat_attachment_config(dest_attachment,
+					source_attachment);
+				found = true;
+			}
+		}
+
+		if (!found) {
+			struct seat_attachment_config *copy =
+				seat_attachment_config_copy(source_attachment);
+			if (copy) {
+				list_add(dest->attachments, copy);
+			}
+		}
+	}
+}
+
+struct seat_config *copy_seat_config(struct seat_config *seat) {
+	struct seat_config *copy = new_seat_config(seat->name);
+	if (copy == NULL) {
+		return NULL;
+	}
+
+	merge_seat_config(copy, seat);
+
+	return copy;
+}
+
+void free_seat_config(struct seat_config *seat) {
+	if (!seat) {
+		return;
+	}
+
+	free(seat->name);
+	for (int i = 0; i < seat->attachments->length; ++i) {
+		struct seat_attachment_config *attachment =
+			seat->attachments->items[i];
+		seat_attachment_config_free(attachment);
+	}
+
+	list_free(seat->attachments);
+	free(seat);
+}
+
+int seat_name_cmp(const void *item, const void *data) {
+	const struct seat_config *sc = item;
+	const char *name = data;
+	return strcmp(sc->name, name);
+}
+
+struct seat_attachment_config *seat_config_get_attachment(
+		struct seat_config *seat_config, char *identifier) {
+	for (int i = 0; i < seat_config->attachments->length; ++i) {
+		struct seat_attachment_config *attachment =
+			seat_config->attachments->items[i];
+		if (strcmp(attachment->identifier, identifier) == 0) {
+			return attachment;
+		}
+	}
+
+	return NULL;
+}