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187 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* weather-priv.h - Private header for weather server functions.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef __WEATHER_PRIV_H_
#define __WEATHER_PRIV_H_
#include "config.h"
#include <time.h>
#include <libintl.h>
#include <math.h>
#include <libsoup/soup.h>
#include "weather.h"
#include "cafeweather-location.h"
const char *cafeweather_gettext (const char *str) G_GNUC_FORMAT (1);<--- There is an unknown macro here somewhere. Configuration is required. If cafeweather_gettext is a macro then please configure it.
const char *cafeweather_dpgettext (const char *context, const char *str) G_GNUC_FORMAT (2);
#define _(str) (cafeweather_gettext (str))
#define C_(context, str) (cafeweather_dpgettext (context, str))
#define N_(str) (str)
#define WEATHER_LOCATION_CODE_LEN 4
WeatherLocation *cafeweather_location_to_weather_location (CafeWeatherLocation *gloc,
const char *name);
/*
* Weather information.
*/
struct _WeatherConditions {
gboolean significant;
WeatherConditionPhenomenon phenomenon;
WeatherConditionQualifier qualifier;
};
typedef struct _WeatherConditions WeatherConditions;
typedef gdouble WeatherTemperature;
typedef gdouble WeatherHumidity;
typedef gdouble WeatherWindSpeed;
typedef gdouble WeatherPressure;
typedef gdouble WeatherVisibility;
typedef time_t WeatherUpdate;
struct _WeatherInfo {
WeatherForecastType forecast_type;
TempUnit temperature_unit;
SpeedUnit speed_unit;
PressureUnit pressure_unit;
DistanceUnit distance_unit;
gboolean valid;
gboolean network_error;
gboolean sunriseValid;
gboolean sunsetValid;
gboolean midnightSun;
gboolean polarNight;
gboolean moonValid;
gboolean tempMinMaxValid;
WeatherLocation *location;
WeatherUpdate update;
WeatherSky sky;
WeatherConditions cond;
WeatherTemperature temp;
WeatherTemperature temp_min;
WeatherTemperature temp_max;
WeatherTemperature dew;
WeatherWindDirection wind;
WeatherWindSpeed windspeed;
WeatherPressure pressure;
WeatherVisibility visibility;
WeatherUpdate sunrise;
WeatherUpdate sunset;
WeatherMoonPhase moonphase;
WeatherMoonLatitude moonlatitude;
gchar *forecast;
GSList *forecast_list; /* list of WeatherInfo* for the forecast, NULL if not available */
gchar *radar_buffer;
gchar *radar_url;
GdkPixbufLoader *radar_loader;
GdkPixbufAnimation *radar;
SoupSession *session;
gint requests_pending;
WeatherInfoFunc finish_cb;
gpointer cb_data;
};
/*
* Enum -> string conversions.
*/
const gchar * weather_wind_direction_string (WeatherWindDirection wind);
const gchar * weather_sky_string (WeatherSky sky);
const gchar * weather_conditions_string (WeatherConditions cond);
/* Values common to the parsing source files */
#define DATA_SIZE 5000
#define CONST_DIGITS "0123456789"
#define CONST_ALPHABET "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
/* Units conversions and names */
#define TEMP_F_TO_C(f) (((f) - 32.0) * 0.555556)
#define TEMP_F_TO_K(f) (TEMP_F_TO_C (f) + 273.15)
#define TEMP_C_TO_F(c) (((c) * 1.8) + 32.0)
#define WINDSPEED_KNOTS_TO_KPH(knots) ((knots) * 1.851965)
#define WINDSPEED_KNOTS_TO_MPH(knots) ((knots) * 1.150779)
#define WINDSPEED_KNOTS_TO_MS(knots) ((knots) * 0.514444)
#define WINDSPEED_MS_TO_KNOTS(ms) ((ms) / 0.514444)
/* 1 bft ~= (1 m/s / 0.836) ^ (2/3) */
#define WINDSPEED_KNOTS_TO_BFT(knots) (pow ((knots) * 0.615363, 0.666666))
#define PRESSURE_INCH_TO_KPA(inch) ((inch) * 3.386)
#define PRESSURE_INCH_TO_HPA(inch) ((inch) * 33.86)
#define PRESSURE_INCH_TO_MM(inch) ((inch) * 25.40005)
#define PRESSURE_INCH_TO_MB(inch) (PRESSURE_INCH_TO_HPA (inch))
#define PRESSURE_INCH_TO_ATM(inch) ((inch) * 0.033421052)
#define PRESSURE_MBAR_TO_INCH(mbar) ((mbar) * 0.029533373)
#define VISIBILITY_SM_TO_KM(sm) ((sm) * 1.609344)
#define VISIBILITY_SM_TO_M(sm) (VISIBILITY_SM_TO_KM (sm) * 1000)
#define DEGREES_TO_RADIANS(deg) ((fmod ((deg),360.) / 180.) * M_PI)
#define RADIANS_TO_DEGREES(rad) ((rad) * 180. / M_PI)
#define RADIANS_TO_HOURS(rad) ((rad) * 12. / M_PI)
/*
* Planetary Mean Orbit and their progressions from J2000 are based on the
* values in http://ssd.jpl.nasa.gov/txt/aprx_pos_planets.pdf
* converting longitudes from heliocentric to geocentric coordinates (+180)
*/
#define EPOCH_TO_J2000(t) ((gdouble)(t)-946727935.816)
#define MEAN_ECLIPTIC_LONGITUDE(d) (280.46457166 + (d)/36525.*35999.37244981)
#define SOL_PROGRESSION (360./365.242191)
#define PERIGEE_LONGITUDE(d) (282.93768193 + (d)/36525.*0.32327364)
void metar_start_open (WeatherInfo *info);
void iwin_start_open (WeatherInfo *info);
void metoffice_start_open (WeatherInfo *info);
void bom_start_open (WeatherInfo *info);
void wx_start_open (WeatherInfo *info);
gboolean metar_parse (gchar *metar,
WeatherInfo *info);
gboolean requests_init (WeatherInfo *info);
void request_done (WeatherInfo *info,
gboolean ok);
void ecl2equ (gdouble t,
gdouble eclipLon,
gdouble eclipLat,
gdouble *ra,
gdouble *decl);
gdouble sunEclipLongitude (time_t t);
gboolean calc_sun (WeatherInfo *info);
gboolean calc_sun_time (WeatherInfo *info, time_t t);
gboolean calc_moon (WeatherInfo *info);
gboolean calc_moon_phases (WeatherInfo *info, time_t *phases);
void free_forecast_list (WeatherInfo *info);
#endif /* __WEATHER_PRIV_H_ */
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