Split keymap handling to separate file

1 files changed, 121 insertions, 0 deletions

diff --git a/rcm-server-keymap.c b/rcm-server-keymap.c
new file mode 100644
index 0000000..a5c194e
--- /dev/null
+++ b/rcm-server-keymap.c
@@ -0,0 +1,121 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <unistd.h>
+
+#include "utils.h"
+#include "rcm-server.h"
+#include "rcm-server-keymap.h"
+
+struct keymap *
+find_keymap_by_name(struct device *dev, const char *name)
+{
+	struct keymap *keymap;
+
+	list_for_each_entry(keymap, &dev->keymaps, list)
+		if (!strcmp(keymap->name, name))
+			return keymap;
+
+	return NULL;
+}
+
+static struct keymap *
+keymap_read(int dfd, const char *name)
+{
+	int fd;
+	struct keymap *keymap;
+	unsigned i;
+
+	if (dfd < 0 || !name)
+		return NULL;
+
+	fd = openat(dfd, name, O_RDONLY);
+	if (fd < 0)
+		return NULL;
+
+	keymap = zmalloc(sizeof(*keymap) + (8 * 3) * sizeof(struct keycode));
+	if (!keymap) {
+		close(fd);
+		return NULL;
+	}
+
+	keymap->name = strdup(name);
+	if (!keymap->name) {
+		close(fd);
+		free(keymap);
+		return NULL;
+	}
+
+	keymap->cols = 3;
+	keymap->rows = 8;
+
+	for (i = 0; i < (keymap->cols * keymap->rows); i++) {
+		keymap->keycodes[i].name = "key-1-2";
+		keymap->keycodes[i].value = "KEY_COFFEE";
+	}
+	/* FIXME: Actually read the keymap :) */
+
+	close(fd);
+	return keymap;
+}
+
+static int
+keymaps_load_dir(struct device *device, const char *path)
+{
+	DIR *dir;
+	int dfd;
+	struct dirent *dent;
+	struct keymap *keymap;
+
+	dir = opendir(path);
+	if (!dir)
+		return -1;
+
+	dfd = dirfd(dir);
+	if (dfd < 0) {
+		closedir(dir);
+		return -1;
+	}
+
+	while ((dent = readdir(dir))) {
+		switch (dent->d_type) {
+		case DT_REG:
+		case DT_LNK:
+		case DT_UNKNOWN:
+			keymap = keymap_read(dfd, dent->d_name);
+			if (keymap)
+				list_add(&keymap->list, &device->keymaps);
+			break;
+		default:
+			break;
+		}
+	}
+
+	if (closedir(dir) < 0)
+		return -1;
+
+	return 0;
+}
+
+int
+keymaps_load(struct device *device)
+{
+	char pdpath[strlen("./keymaps/per-device/") + strlen(device->name) + 1];
+
+	sprintf(pdpath, "./keymaps/per-device/%s", device->name);
+
+	printf("Loading per-device keymaps...\n");
+	keymaps_load_dir(device, pdpath);
+	printf("Loading default keymaps...\n");
+	keymaps_load_dir(device, "./keymaps/default");
+
+	return 0;
+}
+