1 /* -*- Mode: C++ -*- *****************************************************
3 * Written by Durk Talsma. Started July 1999.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
20 **************************************************************************/
22 /*************************************************************************
24 * Timezone is derived from geocoord, and stores the timezone centerpoint,
25 * as well as the countrycode and the timezone descriptor. The latter is
26 * used in order to get the local time.
28 ************************************************************************/
33 Timezone::Timezone(float la, float lo, char* cc, char* desc) :
36 countryCode = strdup(cc);
37 descriptor = strdup(desc);
40 /* Build a timezone object from a textline in zone.tab */
41 Timezone::Timezone(const char *infoString) :
45 while (infoString[i] != '\t')
49 strncpy(buffer, infoString, i);
51 countryCode = strdup(buffer);
54 while (infoString[i] != '\t')
57 strncpy(latlon, (&infoString[start]), size);
61 strncpy(buffer, &latlon[1], 2);
63 strncpy(buffer, &latlon[3], 2);
64 lat += (atof(buffer) / 60);
66 if (strlen(latlon) > 12)
69 strncpy(buffer, &latlon[5], 2);
70 lat += (atof(buffer) / 3600.0);
77 sign = latlon[nextPos];
79 strncpy(buffer, &latlon[nextPos], 3);
82 strncpy(buffer, &latlon[nextPos], 2);
85 lon += (atof(buffer) / 60);
86 if (strlen(latlon) > 12)
89 strncpy(buffer, &latlon[nextPos], 2);
90 lon += (atof (buffer) / 3600.00);
96 while (!((infoString[i] == '\t') || (infoString[i] == '\n')))
99 strncpy(buffer, (&infoString[start]), size);
101 descriptor = strdup(buffer);
104 /* the copy constructor */
105 Timezone::Timezone(const Timezone& other)
107 lat = other.getLat();
108 lon = other.getLon();
109 countryCode = strdup(other.countryCode);
110 descriptor = strdup(other.descriptor);
114 /********* Member functions for TimezoneContainer class ********/
116 TimezoneContainer::TimezoneContainer(const char *filename)
119 FILE* infile = fopen(filename, "r");
122 fprintf(stderr, "Unable to open file %s\n", filename);
130 fgets(buffer, 256, infile);
133 for (int i = 0; i < 256; i++)
135 if (buffer[i] == '#')
140 data.push_back(new Timezone(buffer));
146 TimezoneContainer::~TimezoneContainer()