Breaks configfiles! Major refactoring of i3status, see below

We finally switched to libconfuse for a configuration file format
which does not require much work for the programmer nor for the user.
Plus, it avoids the Not-Invented-Here syndrome of yet another config
file format.

Furthermore, as a consequence of providing format strings for every
"module" (ipv6, wireless, …), we directly print the output and thus
we needed to drop support for wmii. This allowed us to get rid of
quite some complexity.

Documentation about the new configuration file and options will
follow. This commit is the beginning of what will be i3status v2.0.

1 files changed, 29 insertions, 56 deletions

diff --git a/i3status.h b/i3status.h
index aa7f20e..d00d318 100644
--- a/i3status.h
+++ b/i3status.h
@@ -2,8 +2,7 @@
 #define _I3STATUS_H
 
 #include <stdbool.h>
-
-#include "queue.h"
+#include <confuse.h>
 
 #ifdef DZEN
 	#define BAR "^fg(#333333)^p(5;-2)^ro(2)^p()^fg()^p(5)"
@@ -11,18 +10,7 @@
 	#define BAR "<fc=#333333> | </fc>"
 #endif
 #define BEGINS_WITH(haystack, needle) (strncmp(haystack, needle, strlen(needle)) == 0)
-#define max(a, b) (a > b ? a : b)
-
-#define generate(orderidx, name, function) \
-        do { \
-                write_to_statusbar(order_to_str(order[orderidx], name), function, (j == (highest_order-1))); \
-        } while (0)
-
-#define generate_order(condition, orderidx, name, function) \
-        do { \
-                if (j == order[orderidx] && condition) \
-                        generate(orderidx, name, function); \
-        } while (0)
+#define max(a, b) ((a) > (b) ? (a) : (b))
 
 #if defined(LINUX)
 
@@ -44,64 +32,49 @@
 
 #endif
 
-typedef enum { CS_DISCHARGING, CS_CHARGING, CS_FULL } charging_status_t;
-enum { ORDER_RUN, ORDER_WLAN, ORDER_ETH, ORDER_BATTERY, ORDER_CPU_TEMPERATURE, ORDER_LOAD, ORDER_TIME, ORDER_IPV6, MAX_ORDER };
+/* Allows for the definition of a variable without opening a new scope, thus
+ * suited for usage in a macro. Idea from wmii. */
+#define with(type, var, init) \
+        for (type var = (type)-1; (var == (type)-1) && ((var=(init)) || 1); )
+
+#define CASE_SEC(name) \
+        if (BEGINS_WITH(current, name)) \
+                with(cfg_t *, sec, cfg_getsec(cfg, name)) \
+                        if (sec != NULL)
 
-struct battery {
-        char *path;
-        /* Use last full capacity instead of design capacity */
-        bool use_last_full;
-        SIMPLEQ_ENTRY(battery) batteries;
-};
+#define CASE_SEC_TITLE(name) \
+        if (BEGINS_WITH(current, name)) \
+                with(const char *, title, current + strlen(name) + 1) \
+                        with(cfg_t *, sec, cfg_gettsec(cfg, name, title)) \
+                                if (sec != NULL)
+
+
+typedef enum { CS_DISCHARGING, CS_CHARGING, CS_FULL } charging_status_t;
 
 /* src/general.c */
 char *skip_character(char *input, char character, int amount);
 void die(const char *fmt, ...);
-void create_file(const char *name);
-char *order_to_str(int number, char *name);
-void setup(void);
-void write_to_statusbar(const char *name, const char *message, bool final_entry);
 bool slurp(char *filename, char *destination, int size);
 
 /* src/output.c */
-void write_error_to_statusbar(const char *message);
+void print_seperator();
 char *color(const char *colorstr);
 char *endcolor() __attribute__ ((pure));
-void cleanup_rbar_dir();
 
-/* src/config.c */
-int load_configuration(const char *configfile);
-
-const char *get_ipv6_addr();
-const char *get_battery_info(struct battery *bat);
+void print_ipv6_info(const char *format);
+void print_battery_info(int number, const char *format);
+void print_time(const char *format);
 const char *get_ip_addr();
-const char *get_wireless_info();
-const char *get_cpu_temperature_info();
-const char *get_eth_info();
-const char *get_load();
+void print_wireless_info(const char *interface, const char *format_up, const char *format_down);
+void print_run_watch(const char *title, const char *pidfile, const char *format);
+void print_cpu_temperature_info(int zone, const char *format);
+void print_eth_info(const char *interface, const char *format);
+void print_load();
 bool process_runs(const char *path);
 
-SIMPLEQ_HEAD(battery_head, battery);
-extern struct battery_head batteries;
-
 /* socket file descriptor for general purposes */
 extern int general_socket;
 
-extern int highest_order;
-
-extern const char *wlan_interface;
-extern const char *eth_interface;
-extern char *wmii_path;
-extern const char *time_format;
-extern bool use_colors;
-extern bool get_ethspeed;
-extern bool get_ipv6;
-extern bool get_cpu_temperature;
-extern char *thermal_zone;
-extern const char *wmii_normcolors;
-extern int order[MAX_ORDER];
-extern const char **run_watches;
-extern unsigned int num_run_watches;
-extern unsigned int interval;
+extern cfg_t *cfg, *cfg_general;
 
 #endif