/*!
\brief Initialize Map_info head structure (dig_head)
\param[in,out] Map pointer to Map_info structure
*/
void Vect__init_head(struct Map_info *Map)
{
char buf[64];
/* organization */
Map->head.organization = NULL;
Vect_set_organization(Map, "");
/* date */
Map->head.date = NULL;
Vect_set_date(Map, "");
/* user name */
Map->head.user_name = NULL;
sprintf(buf, "%s", G_whoami());
Vect_set_person(Map, buf);
/* map name */
Map->head.map_name = NULL;
Vect_set_map_name(Map, "");
/* source date */
Map->head.source_date = NULL;
sprintf(buf, "%s", G_date());
Vect_set_map_date(Map, buf);
/* comments */
Map->head.comment = NULL;
Vect_set_comment(Map, "");
/* scale, threshold */
Vect_set_scale(Map, 1);
Vect_set_thresh(Map, 0.0);
/* proj, zone */
Vect_set_proj(Map, -1);
Vect_set_zone(Map, -1);
/* support variables */
Map->plus.Spidx_built = 0;
Map->plus.release_support = 0;
Map->plus.update_cidx = 0;
}
/*!
\brief Reads head information from text file (GV_HEAD_ELEMENT) - for internal use only
\param Map pointer to Map_info structure
\return 0 on success
\return -1 on error
*/
int Vect__read_head(struct Map_info *Map)
{
FILE *head_fp;
char buff[2000];
char *path, *ptr;
/* Reset / init */
Vect__init_head(Map);
G_debug(1, "Vect__read_head(): vector = %s@%s", Map->name, Map->mapset);
path = Vect__get_path(Map);
head_fp = G_fopen_old(path, GV_HEAD_ELEMENT, Map->mapset);
G_free(path);
if (head_fp == NULL) {
G_warning(_("Unable to open header file of vector <%s>"),
Vect_get_full_name(Map));
return -1;
}
while (G_getl2(buff, 2000, head_fp)) {
if (!(ptr = strchr(buff, ':'))) {
G_warning(_("Corrupted row in head: %s"), buff);
continue;
}
ptr++; /* Search for the start of text */
while (*ptr == ' ')
ptr++;
if (strncmp(buff, "ORGANIZATION:", sizeof(char) * 12) == 0)
Vect_set_organization(Map, ptr);
else if (strncmp(buff, "DIGIT DATE:", sizeof(char) * 11) == 0)
Vect_set_date(Map, ptr);
else if (strncmp(buff, "DIGIT NAME:", sizeof(char) * 11) == 0)
Vect_set_person(Map, ptr);
else if (strncmp(buff, "MAP NAME:", sizeof(char) * 9) == 0)
Vect_set_map_name(Map, ptr);
else if (strncmp(buff, "MAP DATE:", sizeof(char) * 9) == 0)
Vect_set_map_date(Map, ptr);
else if (strncmp(buff, "MAP SCALE:", sizeof(char) * 10) == 0)
Vect_set_scale(Map, atoi(ptr));
else if (strncmp(buff, "OTHER INFO:", sizeof(char) * 11) == 0)
Vect_set_comment(Map, ptr);
else if (strncmp(buff, "PROJ:", sizeof(char) * 5) == 0)
Vect_set_proj(Map, atoi(ptr));
else if (strncmp(buff, "ZONE:", sizeof(char) * 5) == 0 ||
strncmp(buff, "UTM ZONE:", sizeof(char) * 9) == 0)
Vect_set_zone(Map, atoi(ptr));
else if (strncmp(buff, "WEST EDGE:", sizeof(char) * 10) == 0) {
}
else if (strncmp(buff, "EAST EDGE:", sizeof(char) * 10) == 0) {
}
else if (strncmp(buff, "SOUTH EDGE:", sizeof(char) * 11) == 0) {
}
else if (strncmp(buff, "NORTH EDGE:", sizeof(char) * 11) == 0) {
}
else if (strncmp(buff, "MAP THRESH:", sizeof(char) * 11) == 0)
Vect_set_thresh(Map, atof(ptr));
else
G_warning(_("Unknown keyword '%s' in vector head"), buff);
}
fclose(head_fp);
return 0;
}
