/**
* @Brief Removes a tech item.
*/
int tech_rmItem( const char *name, const char *value )
{
int id, i, s;
tech_group_t *tech;
char *buf;
/* Get ID. */
id = tech_getID( name);
if (id < 0) {
WARN("Trying to remove item '%s' to non-existant tech '%s'.", value, name );
return -1;
}
/* Comfort. */
tech = &tech_groups[id];
/* Iterate over to find it. */
s = array_size( tech->items );
for (i=0; i<s; i++) {
buf = tech_getItemName( &tech->items[i] );
if (strcmp(buf, value)==0) {
array_erase( &tech->items, &tech->items[i], &tech->items[i+1] );
return 0;
}
}
WARN("Item '%s' not found in tech group '%s'", value, name );
return -1;
}
/**
* @brief Checks whether a given tech group has the specified item.
*
* @param tech Tech to search within.
* @param item The item name to search for.
* @return Whether or not the item was found.
*/
int tech_hasItem( tech_group_t *tech, char *item )
{
int i, s;
char *buf;
s = array_size( tech->items );
for (i=0; i<s; i++) {
buf = tech_getItemName( &tech->items[i] );
if (strcmp(buf,item)==0)
return 1;
}
return 0;
}
/**
* @brief Removes an item from a tech.
*/
int tech_rmItemTech( tech_group_t *tech, const char *value )
{
int i, s;
char *buf;
/* Iterate over to find it. */
s = array_size( tech->items );
for (i=0; i<s; i++) {
buf = tech_getItemName( &tech->items[i] );
if (strcmp(buf, value)==0) {
array_erase( &tech->items, &tech->items[i], &tech->items[i+1] );
return 0;
}
}
WARN("Item '%s' not found in tech group", value );
return -1;
}
/**
* @brief Writes a group in an xml node.
*/
int tech_groupWrite( xmlTextWriterPtr writer, tech_group_t *grp )
{
int i, s;
/* Handle empty groups. */
if (grp == NULL)
return 0;
/* Node header. */
xmlw_startElem( writer, "tech" );
/* Save items. */
s = array_size( grp->items );
for (i=0; i<s; i++)
xmlw_elem( writer, "item", "%s", tech_getItemName( &grp->items[i] ) );
xmlw_endElem( writer ); /* "tech" */
return 0;
}
