From 5767dcc86e23ba86e07dde6807b1af3deb3fdcbf Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Wed, 5 Aug 2015 22:40:38 -0400
Subject: [PATCH] Mostly implement bindsym command

---
 sway/commands.c | 31 ++++++++++++++++++++++++++++---
 sway/config.c   | 28 ++++++++++++++++++++++++++++
 sway/config.h   |  3 ++-
 sway/stringop.c | 16 ++++++++++++++++
 sway/stringop.h |  1 +
 5 files changed, 75 insertions(+), 4 deletions(-)

diff --git a/sway/commands.c b/sway/commands.c
index cb24f7961..3f286c3c8 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -1,3 +1,5 @@
+#include <xkbcommon/xkbcommon.h>
+#include <xkbcommon/xkbcommon-names.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -20,17 +22,40 @@ int cmd_set(struct sway_config *config, int argc, char **argv) {
 }
 
 int cmd_bindsym(struct sway_config *config, int argc, char **argv) {
-	if (argc != 2) {
+	if (argc < 2) {
 		fprintf(stderr, "Invalid bindsym command (expected 2 arguments, got %d)\n", argc);
 		return 1;
 	}
-	// TODO: parse out keybindings
+	argv[0] = do_var_replacement(config, argv[0]);
+
+	struct sway_binding *binding = malloc(sizeof(struct sway_binding));
+	binding->keys = create_list();
+	binding->modifiers = 0;
+	binding->command = join_args(argv + 1, argc - 1);
+	
+	list_t *split = split_string(argv[0], "+");
+	int i;
+	for (i = 0; i < split->length; ++i) {
+		// TODO: Parse modifier keys
+		xkb_keysym_t sym = xkb_keysym_from_name(split->items[i], XKB_KEYSYM_CASE_INSENSITIVE);
+		if (!sym) {
+			fprintf(stderr, "bindsym - unknown key '%s'\n", (char *)split->items[i]);
+			// Ignore for now, we need to deal with modifier keys
+			// return 1;
+		}
+		list_add(binding->keys, split->items[i]);
+	}
+	list_free(split);
+
+	list_add(config->current_mode->bindings, binding);
+
+	fprintf(stderr, "bindsym - Bound %s to command %s\n", argv[0], binding->command);
 	return 0;
 }
 
 /* Keep alphabetized */
 struct cmd_handler handlers[] = {
-	{ "bindsym", cmd_bindsym }
+	{ "bindsym", cmd_bindsym },
 	{ "set", cmd_set }
 };
 
diff --git a/sway/config.c b/sway/config.c
index 7242be8d1..e98246ff5 100644
--- a/sway/config.c
+++ b/sway/config.c
@@ -50,3 +50,31 @@ _continue:
 
 	return config;
 }
+
+char *do_var_replacement(struct sway_config *config, char *str) {
+	// TODO: Handle escaping $ and using $ in string literals
+	int i;
+	for (i = 0; str[i]; ++i) {
+		if (str[i] == '$') {
+			// Try for match (note: this could be faster)
+			int j;
+			for (j = 0; j < config->symbols->length; ++j) {
+				struct sway_variable *var = config->symbols->items[j];
+				if (strstr(str + i, var->name) == str + i) {
+					// Match, do replacement
+					char *new_string = malloc(
+						strlen(str) -
+						strlen(var->name) +
+						strlen(var->value) + 1);
+					strncpy(new_string, str, i);
+					new_string[i] = 0;
+					strcat(new_string, var->value);
+					strcat(new_string, str + i + strlen(var->name));
+					free(str);
+					str = new_string;
+				}
+			}
+		}
+	}
+	return str;
+}
diff --git a/sway/config.h b/sway/config.h
index b24758719..bcf65ec89 100644
--- a/sway/config.h
+++ b/sway/config.h
@@ -12,7 +12,7 @@ struct sway_variable {
 
 struct sway_binding {
     list_t *keys;
-    struct wlc_modifiers modifiers;
+    uint32_t modifiers;
     char *command;
 };
 
@@ -28,5 +28,6 @@ struct sway_config {
 };
 
 struct sway_config *read_config(FILE *file);
+char *do_var_replacement(struct sway_config *config, char *str);
 
 #endif
diff --git a/sway/stringop.c b/sway/stringop.c
index 4b05e6571..bbc0bcdf4 100644
--- a/sway/stringop.c
+++ b/sway/stringop.c
@@ -148,3 +148,19 @@ int unescape_string(char *string) {
 	}
 	return len;
 }
+
+char *join_args(char **argv, int argc) {
+	int len = 0, i;
+	for (i = 0; i < argc; ++i) {
+		len += strlen(argv[i]) + 1;
+	}
+	char *res = malloc(len);
+	len = 0;
+	for (i = 0; i < argc; ++i) {
+		strcpy(res + len, argv[i]);
+		len += strlen(argv[i]);
+		res[len++] = ' ';
+	}
+	res[len - 1] = '\0';
+	return res;
+}
diff --git a/sway/stringop.h b/sway/stringop.h
index 74f34ebf1..a53468299 100644
--- a/sway/stringop.h
+++ b/sway/stringop.h
@@ -9,5 +9,6 @@ void free_flat_list(list_t *list);
 char *code_strchr(const char *string, char delimiter);
 char *code_strstr(const char *haystack, const char *needle);
 int unescape_string(char *string);
+char *join_args(char **argv, int argc);
 
 #endif