slots.c

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/*
 * See Licensing and Copyright notice in naev.h
 */
#include "naev.h"
#include "slots.h"
 
#include "array.h"
#include "log.h"
#include "nxml.h"
#include "ndata.h"
 
#define SP_XML_ID    "slot" 
typedef struct SlotProperty_s {
   char *name;       
   char *display;    
   char *description;
   int required;     
   int exclusive;    
   int locked;       
} SlotProperty_t;
 
static SlotProperty_t *sp_array = NULL; 
/*
 * Prototypes.
 */
static int sp_check( unsigned int spid );
 
int sp_load (void)
{
   char **sp_files = ndata_listRecursive( SP_DATA_PATH );
 
   /* First pass, loads up ammunition. */
   sp_array = array_create( SlotProperty_t );
   for (int i=0; i<array_size(sp_files); i++) {
      SlotProperty_t *sp;
      xmlNodePtr node, cur;
      xmlDocPtr doc;
 
      /* Load and read the data. */
      doc = xml_parsePhysFS( sp_files[i] );
      if (doc == NULL)
         continue;
 
      /* Check to see if document exists. */
      node = doc->xmlChildrenNode;
      if (!xml_isNode(node,SP_XML_ID)) {
         WARN(_("Malformed '%s' file: missing root element '%s'"), sp_files[i], SP_XML_ID );
         continue;
      }
 
      sp    = &array_grow( &sp_array );
      memset( sp, 0, sizeof(SlotProperty_t) );
      xmlr_attr_strd( node, "name", sp->name );
      cur   = node->xmlChildrenNode;
      do {
         xml_onlyNodes(cur);
 
         /* Load data. */
         xmlr_strd( cur, "display", sp->display );
         xmlr_strd( cur, "description", sp->description );
         if (xml_isNode( cur, "required" )) {
            sp->required = 1;
            continue;
         }
         if (xml_isNode( cur, "exclusive" )) {
            sp->exclusive = 1;
            continue;
         }
         if (xml_isNode( cur, "locked" )) {
            sp->locked = 1;
            continue;
         }
 
         WARN(_("Slot Property '%s' has unknown node '%s'."), node->name, cur->name);
      } while (xml_nextNode(cur));
 
      /* Clean up. */
      xmlFreeDoc(doc);
   }
 
   for (int i=0; i<array_size(sp_files); i++)
      free( sp_files[i] );
   array_free( sp_files );
   return 0;
}
 
void sp_cleanup (void)
{
   for (int i=0; i<array_size(sp_array); i++) {
      SlotProperty_t *sp = &sp_array[i];
      free( sp->name );
      free( sp->display );
      free( sp->description );
   }
   array_free( sp_array );
   sp_array = NULL;
}
 
unsigned int sp_get( const char *name )
{
   if (name==NULL)
      return 0;
   for (int i=0; i<array_size(sp_array); i++) {
      SlotProperty_t *sp = &sp_array[i];
      if (strcmp( sp->name, name ) == 0)
         return i+1;
   }
   WARN(_("Slot property '%s' not found in array."), name);
   return 0;
}
 
static int sp_check( unsigned int spid )
{
   if ((spid==0) || (spid > (unsigned int)array_size(sp_array)))
      return 1;
   return 0;
}
 
const char *sp_display( unsigned int spid )
{
   if (sp_check(spid))
      return NULL;
   return sp_array[ spid-1 ].display;
}
 
const char *sp_description( unsigned int spid )
{
   if (sp_check(spid))
      return NULL;
   return sp_array[ spid-1 ].description;
}
 
int sp_required( unsigned int spid )
{
   if (sp_check(spid))
      return 0;
   return sp_array[ spid-1 ].required;
}
 
int sp_exclusive( unsigned int spid )
{
   if (sp_check(spid))
      return 0;
   return sp_array[ spid-1 ].exclusive;
}
 
int sp_locked( unsigned int spid )
{
   if (sp_check(spid))
      return 0;
   return sp_array[ spid-1 ].locked;
}