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swe-glib/src/swe-glib.c

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/* SWE-GLib - GLib style wrapper library around Astrodienst's Swiss Ephemeris
*
* Copyright © 2013 Gergely Polonkai
*
* SWE-GLib 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 3 of the License, or
* (at your option) any later version.
*
* SWE-GLib 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 library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <glib.h>
#define GETTEXT_PACKAGE "swe-glib"
#include <glib/gi18n-lib.h>
#include "../swe/src/swephexp.h"
#include "swe-glib.h"
#include "swe-glib-private.h"
/**
* SECTION:swe-glib
* @short_description: Utility and initialization functions
* @title: Utility functions
* @stability: Stable
* @include: swe-glib/swe-glib.h
*
* Basic utility and initialization functions. They don't operate on SWE-GLib's
* objects, but on the library as a whole, including global tables.
*/
gboolean gswe_initialized = FALSE;
gchar *gswe_ephe_path = NULL;
GHashTable *gswe_planet_info_table;
GHashTable *gswe_sign_info_table;
GHashTable *gswe_house_system_info_table;
GHashTable *gswe_aspect_info_table;
GHashTable *gswe_antiscion_axis_info_table;
GsweTimestamp *gswe_full_moon_base_date;
static gboolean gswe_initializing = FALSE;
#define ADD_PLANET(ht, v, i, s, r, n, o, h) \
(v) = gswe_planet_info_new(); \
(v)->planet = (i); \
(v)->sweph_id = (s); \
(v)->real_body = (r); \
(v)->orb = (o); \
(v)->name = g_strdup(n); \
(v)->points = (h); \
g_hash_table_replace((ht), GINT_TO_POINTER(i), (v)); \
#define ADD_SIGN(ht, v, s, n, e, q) \
(v) = gswe_sign_info_new(); \
(v)->sign = (s); \
(v)->name = g_strdup(n); \
(v)->element = (e); \
(v)->quality = (q); \
g_hash_table_replace((ht), GINT_TO_POINTER(s), (v)); \
#define ADD_HOUSE_SYSTEM(ht, v, i, s, n) \
(v) = gswe_house_system_info_new(); \
(v)->house_system = i; \
(v)->sweph_id = s; \
(v)->name = g_strdup(n); \
g_hash_table_replace((ht), GINT_TO_POINTER(i), (v)); \
#define ADD_ASPECT(ht, v, i, n, s, o, h, m) \
(v) = gswe_aspect_info_new(); \
(v)->aspect = (i); \
(v)->name = g_strdup(n); \
(v)->size = (s); \
(v)->orb_modifier = (o); \
(v)->harmonic = (h); \
(v)->major = (m); \
g_hash_table_replace((ht), GINT_TO_POINTER(i), (v)); \
#define ADD_ANTISCION(ht, v, hts, vs, i, n, s, m) \
(v) = gswe_antiscion_axis_info_new(); \
(vs) = g_hash_table_lookup((hts), GINT_TO_POINTER(i)); \
(v)->axis = (i); \
(v)->start_sign = (vs); \
(v)->name = g_strdup(n); \
(v)->sign_offset = m; \
g_hash_table_replace((ht), GINT_TO_POINTER(i), (v)); \
/**
* gswe_error_quark:
*
* Gets the SWE-GLib Error Quark.
*
* Return value: a #GQuark
*/
#if GLIB_CHECK_VERSION(2, 34, 0)
G_DEFINE_QUARK(gswe-error-quark, gswe_error);
#else
GQuark
gswe_error_quark(void)
{
return g_quark_from_static_string("gswe-error-quark");
}
#endif
/**
* gswe_init_with_dir:
* @directory: the path that contains the Swiss Ephemeris data files
*
* Initializes the SWE-GLib library with @directory as the Swiss Ephemeris
* data files' location. This, or gswe_init() must be called before any
* calculations are made.
*/
void gswe_init_with_dir(gchar *directory)
{
GswePlanetInfo *planet_info;
GsweSignInfo *sign_info;
GsweHouseSystemInfo *house_system_info;
GsweAspectInfo *aspect_info;
GsweAntiscionAxisInfo *antiscion_axis_info;
if (gswe_initialized) {
return;
}
if (gswe_initializing) {
return;
}
gswe_initializing = TRUE;
/* Before 2.34, g_type_init() must have been called. Let's do it! */
#if !GLIB_CHECK_VERSION(2, 36, 0)
g_type_init();
#endif
bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
gswe_planet_info_table = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, (GDestroyNotify)gswe_planet_info_unref);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_ASCENDANT, -1, FALSE, _("Ascendant"), 9.0, 2);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_MC, -1, FALSE, _("Midheaven"), 5.0, 1);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_VERTEX, -1, FALSE, _("Vertex"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_MOON_NODE, SE_MEAN_NODE, TRUE, _("Ascending Moon Node"), 2.0, 1);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_MOON_APOGEE, SE_MEAN_APOG, TRUE, _("Dark Moon"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_SUN, SE_SUN, TRUE, _("Sun"), 13.0, 2);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_MOON, SE_MOON, TRUE, _("Moon"), 9.0, 2);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_MERCURY, SE_MERCURY, TRUE, _("Mercury"), 7.0, 2);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_VENUS, SE_VENUS, TRUE, _("Venus"), 7.0, 1);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_MARS, SE_MARS, TRUE, _("Mars"), 7.0, 1);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_JUPITER, SE_JUPITER, TRUE, _("Jupiter"), 9.0, 1);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_SATURN, SE_SATURN, TRUE, _("Saturn"), 7.0, 1);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_URANUS, SE_URANUS, TRUE, _("Uranus"), 5.0, 1);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_NEPTUNE, SE_NEPTUNE, TRUE, _("Neptune"), 5.0, 1);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_PLUTO, SE_PLUTO, TRUE, _("Pluto"), 3.0, 1);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_CHIRON, SE_CHIRON, TRUE, _("Chiron"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_CERES, SE_CERES, TRUE, _("Ceres"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_PALLAS, SE_PALLAS, TRUE, _("Pallas"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_JUNO, SE_JUNO, TRUE, _("Juno"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_VESTA, SE_VESTA, TRUE, _("Vesta"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_PHOLUS, SE_PHOLUS, TRUE, _("Pholus"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_NESSUS, SE_AST_OFFSET + 7066, TRUE, _("Nessus"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_CHARIKLO, SE_AST_OFFSET + 10199, TRUE, _("Chariklo"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_SEDNA, SE_AST_OFFSET + 90377, TRUE, _("Sedna"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_ERIS, SE_AST_OFFSET + 136199, TRUE, _("Eris"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_DEJANIRA, SE_AST_OFFSET + 157, TRUE, _("Dejanira"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_CIRCE, SE_AST_OFFSET + 34, TRUE, _("Circe"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_ORCUS, SE_AST_OFFSET + 90482, TRUE, _("Orcus"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_ASBOLUS, SE_AST_OFFSET + 8405, TRUE, _("Asbolus"), 2.0, 0);
ADD_PLANET(gswe_planet_info_table, planet_info, GSWE_PLANET_HYGIEA, SE_AST_OFFSET + 10, TRUE, _("Hygiea"), 2.0, 0);
gswe_sign_info_table = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, (GDestroyNotify)gswe_sign_info_unref);
ADD_SIGN(gswe_sign_info_table, sign_info, GSWE_SIGN_ARIES, _("Aries"), GSWE_ELEMENT_FIRE, GSWE_QUALITY_CARDINAL);
ADD_SIGN(gswe_sign_info_table, sign_info, GSWE_SIGN_TAURUS, _("Taurus"), GSWE_ELEMENT_EARTH, GSWE_QUALITY_FIX);
ADD_SIGN(gswe_sign_info_table, sign_info, GSWE_SIGN_GEMINI, _("Gemini"), GSWE_ELEMENT_AIR, GSWE_QUALITY_MUTABLE);
ADD_SIGN(gswe_sign_info_table, sign_info, GSWE_SIGN_CANCER, _("Cancer"), GSWE_ELEMENT_WATER, GSWE_QUALITY_CARDINAL);
ADD_SIGN(gswe_sign_info_table, sign_info, GSWE_SIGN_LEO, _("Leo"), GSWE_ELEMENT_FIRE, GSWE_QUALITY_FIX);
ADD_SIGN(gswe_sign_info_table, sign_info, GSWE_SIGN_VIRGO, _("Virgo"), GSWE_ELEMENT_EARTH, GSWE_QUALITY_MUTABLE);
ADD_SIGN(gswe_sign_info_table, sign_info, GSWE_SIGN_LIBRA, _("Libra"), GSWE_ELEMENT_AIR, GSWE_QUALITY_CARDINAL);
ADD_SIGN(gswe_sign_info_table, sign_info, GSWE_SIGN_SCORPIO, _("Scorpio"), GSWE_ELEMENT_WATER, GSWE_QUALITY_FIX);
ADD_SIGN(gswe_sign_info_table, sign_info, GSWE_SIGN_SAGITTARIUS, _("Sagittarius"), GSWE_ELEMENT_FIRE, GSWE_QUALITY_MUTABLE);
ADD_SIGN(gswe_sign_info_table, sign_info, GSWE_SIGN_CAPRICORN, _("Capricorn"), GSWE_ELEMENT_EARTH, GSWE_QUALITY_CARDINAL);
ADD_SIGN(gswe_sign_info_table, sign_info, GSWE_SIGN_AQUARIUS, _("Aquarius"), GSWE_ELEMENT_AIR, GSWE_QUALITY_FIX);
ADD_SIGN(gswe_sign_info_table, sign_info, GSWE_SIGN_PISCES, _("Pisces"), GSWE_ELEMENT_WATER, GSWE_QUALITY_MUTABLE);
gswe_house_system_info_table = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, (GDestroyNotify)gswe_house_system_info_unref);
ADD_HOUSE_SYSTEM(gswe_house_system_info_table, house_system_info, GSWE_HOUSE_SYSTEM_NONE, 0, _("None"));
ADD_HOUSE_SYSTEM(gswe_house_system_info_table, house_system_info, GSWE_HOUSE_SYSTEM_PLACIDUS, 'P', _("Placidus"));
ADD_HOUSE_SYSTEM(gswe_house_system_info_table, house_system_info, GSWE_HOUSE_SYSTEM_KOCH, 'K', _("Koch"));
ADD_HOUSE_SYSTEM(gswe_house_system_info_table, house_system_info, GSWE_HOUSE_SYSTEM_EQUAL, 'E', _("Equal"));
gswe_aspect_info_table = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, (GDestroyNotify)gswe_aspect_info_unref);
// Note that because all aspects must be <= 180°, GSWE_ASPECT_NONE can
// never really exist. It is provided for name fetching purposes only.
ADD_ASPECT(gswe_aspect_info_table, aspect_info, GSWE_ASPECT_NONE, _("None"), 360, 4, FALSE, FALSE);
ADD_ASPECT(gswe_aspect_info_table, aspect_info, GSWE_ASPECT_CONJUCTION, _("Conjuction"), 0, 0, TRUE, TRUE);
ADD_ASPECT(gswe_aspect_info_table, aspect_info, GSWE_ASPECT_OPPOSITION, _("Opposition"), 180, 0, TRUE, TRUE);
ADD_ASPECT(gswe_aspect_info_table, aspect_info, GSWE_ASPECT_TRINE, _("Trine"), 120, 0, TRUE, TRUE);
ADD_ASPECT(gswe_aspect_info_table, aspect_info, GSWE_ASPECT_SQUARE, _("Square"), 90, 0, FALSE, TRUE);
ADD_ASPECT(gswe_aspect_info_table, aspect_info, GSWE_ASPECT_SEXTILE, _("Sextile"), 60, 1, TRUE, TRUE);
ADD_ASPECT(gswe_aspect_info_table, aspect_info, GSWE_ASPECT_QUINCUNX, _("Quincunx"), 150, 2, FALSE, FALSE);
ADD_ASPECT(gswe_aspect_info_table, aspect_info, GSWE_ASPECT_SEMISEXTILE, _("Semi-sextile"), 30, 2, TRUE, FALSE);
ADD_ASPECT(gswe_aspect_info_table, aspect_info, GSWE_ASPECT_SEMISQUARE, _("Semi-square"), 45, 2, FALSE, FALSE);
ADD_ASPECT(gswe_aspect_info_table, aspect_info, GSWE_ASPECT_SESQUISQUARE, _("Sesqui-square"), 135, 2, FALSE, FALSE);
ADD_ASPECT(gswe_aspect_info_table, aspect_info, GSWE_ASPECT_QUINTILE, _("Quintile"), 72, 3, TRUE, FALSE);
ADD_ASPECT(gswe_aspect_info_table, aspect_info, GSWE_ASPECT_BIQUINTILE, _("Bi-quintile"), 144, 3, TRUE, FALSE);
gswe_antiscion_axis_info_table = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, (GDestroyNotify)gswe_antiscion_axis_info_unref);
ADD_ANTISCION(gswe_antiscion_axis_info_table, antiscion_axis_info, gswe_sign_info_table, sign_info, GSWE_ANTISCION_AXIS_NONE, _("None"), GSWE_SIGN_NONE, 0.0);
ADD_ANTISCION(gswe_antiscion_axis_info_table, antiscion_axis_info, gswe_sign_info_table, sign_info, GSWE_ANTISCION_AXIS_ARIES, _("Aries/Libra"), GSWE_SIGN_ARIES, 0.0);
ADD_ANTISCION(gswe_antiscion_axis_info_table, antiscion_axis_info, gswe_sign_info_table, sign_info, GSWE_ANTISCION_AXIS_MID_TAURUS, _("mid Taurus/Scorpio"), GSWE_SIGN_TAURUS, 15.0);
ADD_ANTISCION(gswe_antiscion_axis_info_table, antiscion_axis_info, gswe_sign_info_table, sign_info, GSWE_ANTISCION_AXIS_CANCER, _("Cancer/Capricorn"), GSWE_SIGN_CANCER, 0.0);
ADD_ANTISCION(gswe_antiscion_axis_info_table, antiscion_axis_info, gswe_sign_info_table, sign_info, GSWE_ANTISCION_AXIS_MID_LEO, _("mid Leo/Aquarius"), GSWE_SIGN_LEO, 15.0);
gswe_full_moon_base_date = gswe_timestamp_new_from_gregorian_full(2005, 5, 8, 3, 48, 0, 0, 0.0);
gswe_ephe_path = g_strdup(directory);
g_print("Starting with %s\n", directory);
swe_set_ephe_path(directory);
gswe_initialized = TRUE;
}
/**
* gswe_init:
*
* Initializes the SWE-GLib library. It must be called before any calculations
* are made.
*/
void
gswe_init(void)
{
gswe_init_with_dir(PKGDATADIR);
}
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