i3status/include/i3status.h

#ifndef _I3STATUS_H
#define _I3STATUS_H

enum { O_DZEN2,
       O_XMOBAR,
       O_I3BAR,
       O_TERM,
       O_NONE } output_format;

#include <stdbool.h>
#include <confuse.h>
#include <time.h>
#include <yajl/yajl_gen.h>
#include <yajl/yajl_version.h>
#include <unistd.h>
#include <string.h>
#include <pthread.h>
#include <stdint.h>

#define BEGINS_WITH(haystack, needle) (strncmp(haystack, needle, strlen(needle)) == 0)
#define max(a, b) ((a) > (b) ? (a) : (b))

#define DEFAULT_SINK_INDEX UINT32_MAX
#define COMPOSE_VOLUME_MUTE(vol, mute) ((vol) | ((mute) ? (1 << 30) : 0))
#define DECOMPOSE_VOLUME(cvol) ((cvol) & ~(1 << 30))
#define DECOMPOSE_MUTED(cvol) (((cvol) & (1 << 30)) != 0)

#if defined(LINUX)

#define THERMAL_ZONE "/sys/class/thermal/thermal_zone%d/temp"

#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)

/* this needs the coretemp module to be loaded */
#if defined(__DragonFly__)
#define THERMAL_ZONE "hw.sensors.cpu%d.temp0"
#else
#define THERMAL_ZONE "dev.cpu.%d.temperature"
#endif
#define BATT_LIFE "hw.acpi.battery.life"
#define BATT_TIME "hw.acpi.battery.time"
#define BATT_STATE "hw.acpi.battery.state"

#elif defined(__OpenBSD__) || defined(__NetBSD__)
/* Default to acpitz(4) if no path is set. */
#define THERMAL_ZONE "acpitz%d"
#endif

#if defined(__FreeBSD_kernel__) && defined(__GLIBC__)

#include <sys/stat.h>
#include <sys/param.h>

#endif

/* 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); var = (type)1)

#define CASE_SEC(name)              \
    if (BEGINS_WITH(current, name)) \
    with(cfg_t *, sec, cfg_section = cfg_getsec(cfg, name)) if (sec != NULL)

#define CASE_SEC_TITLE(name)                              \
    if (BEGINS_WITH(current, name))                       \
    with(const char *, title, current + strlen(name) + 1) \
        with(cfg_t *, sec, cfg_section = cfg_gettsec(cfg, name, title)) if (sec != NULL)

/* Macro which any plugin can use to output the full_text part (when the output
 * format is JSON) or just output to stdout (any other output format). */
#define OUTPUT_FULL_TEXT(text)                                                                   \
    do {                                                                                         \
        /* Terminate the output buffer here in any case, so that it’s                          \
         * not forgotten in the module */                                                        \
        *outwalk = '\0';                                                                         \
        if (output_format == O_I3BAR) {                                                          \
            yajl_gen_string(json_gen, (const unsigned char *) "full_text", strlen("full_text")); \
            yajl_gen_string(json_gen, (const unsigned char *)text, strlen(text));                \
        } else {                                                                                 \
            printf("%s", text);                                                                  \
        }                                                                                        \
    } while (0)

#define SEC_OPEN_MAP(name)                                                             \
    do {                                                                               \
        if (output_format == O_I3BAR) {                                                \
            yajl_gen_map_open(json_gen);                                               \
            yajl_gen_string(json_gen, (const unsigned char *) "name", strlen("name")); \
            yajl_gen_string(json_gen, (const unsigned char *)name, strlen(name));      \
        }                                                                              \
    } while (0)

#define SEC_CLOSE_MAP                                                                                    \
    do {                                                                                                 \
        if (output_format == O_I3BAR) {                                                                  \
            char *_align = cfg_getstr(sec, "align");                                                     \
            if (_align) {                                                                                \
                yajl_gen_string(json_gen, (const unsigned char *) "align", strlen("align"));             \
                yajl_gen_string(json_gen, (const unsigned char *)_align, strlen(_align));                \
            }                                                                                            \
            struct min_width *_width = cfg_getptr(sec, "min_width");                                     \
            if (_width) {                                                                                \
                /* if the value can be parsed as a number, we use the numerical value */                 \
                if (_width->num > 0) {                                                                   \
                    yajl_gen_string(json_gen, (const unsigned char *) "min_width", strlen("min_width")); \
                    yajl_gen_integer(json_gen, _width->num);                                             \
                } else {                                                                                 \
                    yajl_gen_string(json_gen, (const unsigned char *) "min_width", strlen("min_width")); \
                    yajl_gen_string(json_gen, (const unsigned char *)_width->str, strlen(_width->str));  \
                }                                                                                        \
            }                                                                                            \
            const char *_sep = cfg_getstr(cfg_general, "separator");                                     \
            if (strlen(_sep) == 0) {                                                                     \
                yajl_gen_string(json_gen, (const unsigned char *) "separator", strlen("separator"));     \
                yajl_gen_bool(json_gen, false);                                                          \
            }                                                                                            \
            yajl_gen_map_close(json_gen);                                                                \
        }                                                                                                \
    } while (0)

#define START_COLOR(colorstr)                                                                \
    do {                                                                                     \
        if (cfg_getbool(cfg_general, "colors")) {                                            \
            const char *_val = NULL;                                                         \
            if (cfg_section)                                                                 \
                _val = cfg_getstr(cfg_section, colorstr);                                    \
            if (!_val)                                                                       \
                _val = cfg_getstr(cfg_general, colorstr);                                    \
            if (output_format == O_I3BAR) {                                                  \
                yajl_gen_string(json_gen, (const unsigned char *) "color", strlen("color")); \
                yajl_gen_string(json_gen, (const unsigned char *)_val, strlen(_val));        \
            } else {                                                                         \
                outwalk += sprintf(outwalk, "%s", color(colorstr));                          \
            }                                                                                \
        }                                                                                    \
    } while (0)

#define END_COLOR                                                             \
    do {                                                                      \
        if (cfg_getbool(cfg_general, "colors") && output_format != O_I3BAR) { \
            outwalk += sprintf(outwalk, "%s", endcolor());                    \
        }                                                                     \
    } while (0)

#define INSTANCE(instance)                                                                     \
    do {                                                                                       \
        if (output_format == O_I3BAR) {                                                        \
            yajl_gen_string(json_gen, (const unsigned char *) "instance", strlen("instance")); \
            yajl_gen_string(json_gen, (const unsigned char *)instance, strlen(instance));      \
        }                                                                                      \
    } while (0)

typedef enum { CS_DISCHARGING,
               CS_CHARGING,
               CS_FULL } charging_status_t;

/*
 * The "min_width" module option may either be defined as a string or a number.
 */
struct min_width {
    long num;
    const char *str;
};

/* src/general.c */
char *skip_character(char *input, char character, int amount);
void die(const char *fmt, ...);
bool slurp(const char *filename, char *destination, int size);

/* src/output.c */
void print_separator(const char *separator);
char *color(const char *colorstr);
char *endcolor() __attribute__((pure));
void reset_cursor(void);

/* src/auto_detect_format.c */
char *auto_detect_format();

/* src/print_time.c */
void set_timezone(const char *tz);

/* src/first_network_device.c */
typedef enum {
    NET_TYPE_WIRELESS = 0,
    NET_TYPE_ETHERNET = 1
} net_type_t;
const char *first_eth_interface(const net_type_t type);

void print_ipv6_info(yajl_gen json_gen, char *buffer, const char *format_up, const char *format_down);
void print_disk_info(yajl_gen json_gen, char *buffer, const char *path, const char *format, const char *format_not_mounted, const char *prefix_type, const char *threshold_type, const double low_threshold);
void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char *path, const char *format, const char *format_down, const char *status_chr, const char *status_bat, const char *status_full, int low_threshold, char *threshold_type, bool last_full_capacity, bool integer_battery_capacity, bool hide_seconds);
void print_time(yajl_gen json_gen, char *buffer, const char *title, const char *format, const char *tz, time_t t);
void print_ddate(yajl_gen json_gen, char *buffer, const char *format, time_t t);
const char *get_ip_addr(const char *interface);
void print_wireless_info(yajl_gen json_gen, char *buffer, const char *interface, const char *format_up, const char *format_down);
void print_run_watch(yajl_gen json_gen, char *buffer, const char *title, const char *pidfile, const char *format, const char *format_down);
void print_path_exists(yajl_gen json_gen, char *buffer, const char *title, const char *path, const char *format, const char *format_down);
void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const char *path, const char *format, int);
void print_cpu_usage(yajl_gen json_gen, char *buffer, const char *format);
void print_eth_info(yajl_gen json_gen, char *buffer, const char *interface, const char *format_up, const char *format_down);
void print_load(yajl_gen json_gen, char *buffer, const char *format, const float max_threshold);
void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *fmt_muted, const char *device, const char *mixer, int mixer_idx);
bool process_runs(const char *path);
int volume_pulseaudio(uint32_t sink_idx);
bool pulse_initialize(void);

/* socket file descriptor for general purposes */
extern int general_socket;

extern cfg_t *cfg, *cfg_general, *cfg_section;

extern void **cur_instance;

extern pthread_cond_t i3status_sleep_cond;
extern pthread_mutex_t i3status_sleep_mutex;

#endif