Merge pull request #879 from zandrmartin/commands-refactor

refactor commands.c

1 files changed, 56 insertions, 0 deletions

diff --git a/sway/commands/set.c b/sway/commands/set.c
new file mode 100644
index 00000000..1f324951
--- /dev/null
+++ b/sway/commands/set.c
@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <string.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "list.h"
+#include "stringop.h"
+
+// sort in order of longest->shortest
+static int compare_set_qsort(const void *_l, const void *_r) {
+	struct sway_variable const *l = *(void **)_l;
+	struct sway_variable const *r = *(void **)_r;
+	return strlen(r->name) - strlen(l->name);
+}
+
+struct cmd_results *cmd_set(int argc, char **argv) {
+	char *tmp;
+	int size;
+	struct cmd_results *error = NULL;
+	if (!config->reading) return cmd_results_new(CMD_FAILURE, "set", "Can only be used in config file.");
+	if ((error = checkarg(argc, "set", EXPECTED_AT_LEAST, 2))) {
+		return error;
+	}
+
+	if (argv[0][0] != '$') {
+		sway_log(L_INFO, "Warning: variable '%s' doesn't start with $", argv[0]);
+
+		size = asprintf(&tmp, "%s%s", "$", argv[0]);
+		if (size == -1) {
+			return cmd_results_new(CMD_FAILURE, "set", "Not possible to create variable $'%s'", argv[0]);
+		}
+
+		argv[0] = strdup(tmp);
+		free(tmp);
+	}
+
+	struct sway_variable *var = NULL;
+	// Find old variable if it exists
+	int i;
+	for (i = 0; i < config->symbols->length; ++i) {
+		var = config->symbols->items[i];
+		if (strcmp(var->name, argv[0]) == 0) {
+			break;
+		}
+		var = NULL;
+	}
+	if (var) {
+		free(var->value);
+	} else {
+		var = malloc(sizeof(struct sway_variable));
+		var->name = strdup(argv[0]);
+		list_add(config->symbols, var);
+		list_qsort(config->symbols, compare_set_qsort);
+	}
+	var->value = join_args(argv + 1, argc - 1);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}