自学教程：C++ xml_nextNode函数代码示例

/** * @brief Loads the player's faction standings. * *    @param parent Parent xml node to read from. *    @return 0 on success. */int pfaction_load( xmlNodePtr parent ){   xmlNodePtr node, cur;   char *str;   int faction;   node = parent->xmlChildrenNode;   do {      if (xml_isNode(node,"factions")) {         cur = node->xmlChildrenNode;         do {            if (xml_isNode(cur,"faction")) {               xmlr_attr(cur,"name",str);               faction = faction_get(str);               if (faction != -1) { /* Faction is valid. */                  /* Must not be static. */                  if (!faction_isFlag( &faction_stack[faction], FACTION_STATIC ))                     faction_stack[faction].player = xml_getFloat(cur);               }               free(str);            }         } while (xml_nextNode(cur));      }   } while (xml_nextNode(node));   return 0;}

/** * @brief Loads the player's faction standings. * *    @param parent Parent xml node to read from. *    @return 0 on success. */int pfaction_load( xmlNodePtr parent ){   xmlNodePtr node, cur;   char *str;   int faction;   node = parent->xmlChildrenNode;   do {      if (xml_isNode(node,"factions")) {         cur = node->xmlChildrenNode;         do {            if (xml_isNode(cur,"faction")) {               xmlr_attr(cur,"name",str);                faction = faction_get(str);               if (faction != -1) /* Faction is valid. */                  faction_stack[faction].player = xml_getFloat(cur);               free(str);            }         } while (xml_nextNode(cur));      }   } while (xml_nextNode(node));   return 0;}

/** * @brief Parses the social tidbits of a faction: allies and enemies. * *    @param parent Node containing the faction. */static void faction_parseSocial( xmlNodePtr parent ){   xmlNodePtr node, cur;   char *buf;   Faction *base;   int mod;   int mem;   buf = xml_nodeProp(parent,"name");   base = &faction_stack[faction_get(buf)];   free(buf);   node = parent->xmlChildrenNode;   do {      /* Grab the allies */      if (xml_isNode(node,"allies")) {         cur = node->xmlChildrenNode;         mem = 0;         do {            if (xml_isNode(cur,"ally")) {               mod = faction_get(xml_get(cur));               base->nallies++;               if (base->nallies > mem) {                  mem += CHUNK_SIZE;                  base->allies = realloc(base->allies, sizeof(int)*mem);               }               base->allies[base->nallies-1] = mod;            }         } while (xml_nextNode(cur));         if (base->nallies > 0)            base->allies = realloc(base->allies, sizeof(int)*base->nallies);      }      /* Grab the enemies */      if (xml_isNode(node,"enemies")) {         cur = node->xmlChildrenNode;         mem = 0;         do {            if (xml_isNode(cur,"enemy")) {               mod = faction_get(xml_get(cur));               base->nenemies++;               if (base->nenemies > mem) {                  mem += CHUNK_SIZE;                  base->enemies = realloc(base->enemies, sizeof(int)*mem);               }               base->enemies[base->nenemies-1] = mod;            }         } while (xml_nextNode(cur));         if (base->nenemies > 0)            base->enemies = realloc(base->enemies, sizeof(int)*base->nenemies);      }   } while (xml_nextNode(node));}

/** * @brief Parses an xml node containing a DTYPE. * *    @param temp Address to load DTYPE into. *    @param parent XML Node containing the DTYPE data. *    @return 0 on success. */static int DTYPE_parse( DTYPE *temp, const xmlNodePtr parent ){   xmlNodePtr node;   /* Clear data. */   memset( temp, 0, sizeof(DTYPE) );   /* Get the name (mallocs). */   temp->name = xml_nodeProp(parent,"name");   /* Extract the data. */   node = parent->xmlChildrenNode;   do {      xml_onlyNodes(node);      xmlr_float(node, "shield", temp->sdam);      xmlr_float(node, "armour", temp->adam);      xmlr_float(node, "knockback", temp->knock);      WARN("Unknown node of type '%s' in damage node '%s'.", node->name, temp->name);   } while (xml_nextNode(node));#define MELEMENT(o,s) /   if (o) WARN("DTYPE '%s' invalid '"s"' element", temp->name) /**< Define to help check for data errors. */   MELEMENT(temp->sdam<0.,"shield");   MELEMENT(temp->adam<0.,"armour");   MELEMENT(temp->knock<0.,"knockback");#undef MELEMENT   return 0;}

/** * @brief Parses the modification tidbits of the outfit. * *    @param temp Outfit to finish loading. *    @param parent Outfit's parent node. */static void outfit_parseSMod( Outfit* temp, const xmlNodePtr parent ){   xmlNodePtr node;   node = parent->children;   do { /* load all the data */      /* movement */      xmlr_float(node,"thrust",temp->u.mod.thrust);      xmlr_float(node,"turn",temp->u.mod.turn);      xmlr_float(node,"speed",temp->u.mod.speed);      /* health */      xmlr_float(node,"armour",temp->u.mod.armour);      xmlr_float(node,"shield",temp->u.mod.shield);      xmlr_float(node,"energy",temp->u.mod.energy);      xmlr_float(node,"fuel",temp->u.mod.fuel);      if (xml_isNode(node,"armour_regen"))         temp->u.mod.armour_regen = xml_getFloat(node)/60.0;      else if (xml_isNode(node,"shield_regen"))         temp->u.mod.shield_regen = xml_getFloat(node)/60.0;      else if (xml_isNode(node,"energy_regen"))         temp->u.mod.energy_regen = xml_getFloat(node)/60.0;      /* misc */      xmlr_int(node,"cargo",temp->u.mod.cargo);   } while (xml_nextNode(node));}

/** * @brief Loads a commodity. * *    @param temp Commodity to load data into. *    @param parent XML node to load from. *    @return Commodity loaded from parent. */static int commodity_parse( Commodity *temp, xmlNodePtr parent ){   xmlNodePtr node;   /* Clear memory. */   memset( temp, 0, sizeof(Commodity) );   temp->name = (char*)xmlGetProp(parent,(xmlChar*)"name");   if (temp->name == NULL) WARN("Commodity from "COMMODITY_DATA" has invalid or no name");   node = parent->xmlChildrenNode;   do {      xmlr_strd(node, "description", temp->description);      xmlr_int(node, "price", temp->price);   } while (xml_nextNode(node));#if 0 /* shouldn't be needed atm */#define MELEMENT(o,s)   if (o) WARN("Commodity '%s' missing '"s"' element", temp->name)   MELEMENT(temp->description==NULL,"description");   MELEMENT(temp->high==0,"high");   MELEMENT(temp->medium==0,"medium");   MELEMENT(temp->low==0,"low");#undef MELEMENT#endif   return 0;}

/** * @brief Loads a claim. * *    @param parent Parent node containing the claim data. *    @return The system claim. */SysClaim_t *claim_xmlLoad( xmlNodePtr parent ){   SysClaim_t *claim;   xmlNodePtr node;   StarSystem *sys;   /* Create the claim. */   claim = claim_create();   /* Load the nodes. */   node = parent->xmlChildrenNode;   do {      if (xml_isNode(node,"sys")) {         sys = system_get( xml_get(node) );         if (sys != NULL)            claim_add( claim, system_index(sys) );         else            WARN("System Claim trying to load system '%s' which doesn't exist.", xml_get(node));      }   } while (xml_nextNode(node));   /* Activate the claim. */   claim_activate( claim );   return claim;}

/** * @brief Parses an xml node containing a SPFX. * *    @param temp Address to load SPFX into. *    @param parent XML Node containing the SPFX data. *    @return 0 on success. */static int spfx_base_parse( SPFX_Base *temp, const xmlNodePtr parent ){   xmlNodePtr node;   /* Clear data. */   memset( temp, 0, sizeof(SPFX_Base) );   /* Get the name (mallocs). */   temp->name = xml_nodeProp(parent,"name");   /* Extract the data. */   node = parent->xmlChildrenNode;   do {      xmlr_float(node, "anim", temp->anim);      xmlr_float(node, "ttl", temp->ttl);      if (xml_isNode(node,"gfx"))         temp->gfx = xml_parseTexture( node,               SPFX_GFX_PRE"%s"SPFX_GFX_SUF, 6, 5, 0 );   } while (xml_nextNode(node));   /* Convert from ms to s. */   temp->anim /= 1000.;   temp->ttl  /= 1000.;   if (temp->ttl == 0.)      temp->ttl = temp->anim;#define MELEMENT(o,s) /   if (o) WARN("SPFX '%s' missing/invalid '"s"' element", temp->name) /**< Define to help check for data errors. */   MELEMENT(temp->anim==0.,"anim");   MELEMENT(temp->ttl==0.,"ttl");   MELEMENT(temp->gfx==NULL,"gfx");#undef MELEMENT   return 0;}

/** * @brief Loads all the commodity data. * *    @return 0 on success. */int commodity_load (void){   uint32_t bufsize;   char *buf;   xmlNodePtr node;   xmlDocPtr doc;   /* Load the file. */   buf = ndata_read( COMMODITY_DATA, &bufsize);   if (buf == NULL)      return -1;   /* Handle the XML. */   doc = xmlParseMemory( buf, bufsize );   if (doc == NULL) {      WARN("'%s' is not valid XML.", COMMODITY_DATA);      return -1;   }   node = doc->xmlChildrenNode; /* Commoditys node */   if (strcmp((char*)node->name,XML_COMMODITY_ID)) {      ERR("Malformed "COMMODITY_DATA" file: missing root element '"XML_COMMODITY_ID"'");      return -1;   }   node = node->xmlChildrenNode; /* first faction node */   if (node == NULL) {      ERR("Malformed "COMMODITY_DATA" file: does not contain elements");      return -1;   }   do {      if (xml_isNode(node, XML_COMMODITY_TAG)) {         /* Make room for commodity. */         commodity_stack = realloc(commodity_stack,               sizeof(Commodity)*(++commodity_nstack));         /* Load commodity. */         commodity_parse(&commodity_stack[commodity_nstack-1], node);         /* See if should get added to commodity list. */         if (commodity_stack[commodity_nstack-1].price > 0.) {            econ_nprices++;            econ_comm = realloc(econ_comm, econ_nprices * sizeof(int));            econ_comm[econ_nprices-1] = commodity_nstack-1;         }      }   } while (xml_nextNode(node));   xmlFreeDoc(doc);   free(buf);   DEBUG("Loaded %d Commodit%s", commodity_nstack, (commodity_nstack==1) ? "y" : "ies" );   return 0;}

/** * @brief Loads the dtype stack. * *    @return 0 on success. */int dtype_load (void){   int mem;   uint32_t bufsize;   char *buf;   xmlNodePtr node;   xmlDocPtr doc;   /* Load and read the data. */   buf = ndata_read( DTYPE_DATA, &bufsize );   doc = xmlParseMemory( buf, bufsize );   /* Check to see if document exists. */   node = doc->xmlChildrenNode;   if (!xml_isNode(node,DTYPE_XML_ID)) {      ERR("Malformed '"DTYPE_DATA"' file: missing root element '"DTYPE_XML_ID"'");      return -1;   }   /* Check to see if is populated. */   node = node->xmlChildrenNode; /* first system node */   if (node == NULL) {      ERR("Malformed '"DTYPE_DATA"' file: does not contain elements");      return -1;   }   /* Load up the individual damage types. */   mem = 0;   do {      xml_onlyNodes(node);      if (!xml_isNode(node,DTYPE_XML_TAG)) {         WARN("'"DTYPE_DATA"' has unknown node '%s'.", node->name);         continue;      }      dtype_ntypes++;      if (dtype_ntypes > mem) {         if (mem == 0)            mem = DTYPE_CHUNK_MIN;         else            mem *= 2;         dtype_types = realloc(dtype_types, sizeof(DTYPE)*mem);      }      DTYPE_parse( &dtype_types[dtype_ntypes-1], node );   } while (xml_nextNode(node));   /* Shrink back to minimum - shouldn't change ever. */   dtype_types = realloc(dtype_types, sizeof(DTYPE) * dtype_ntypes);   /* Clean up. */   xmlFreeDoc(doc);   free(buf);   return 0;}

/** * @brief Applies a diff to the universe. * *    @param name Diff to apply. *    @return 0 on success. */int diff_apply( const char *name ){   xmlNodePtr node;   xmlDocPtr doc;   size_t bufsize;   char *buf;   char *diffname;   /* Check if already applied. */   if (diff_isApplied(name))      return 0;   buf = ndata_read( DIFF_DATA_PATH, &bufsize );   doc = xmlParseMemory( buf, bufsize );   node = doc->xmlChildrenNode;   if (strcmp((char*)node->name,"unidiffs")) {      ERR(_("Malformed unidiff file: missing root element 'unidiffs'"));      return 0;   }   node = node->xmlChildrenNode; /* first system node */   if (node == NULL) {      ERR(_("Malformed unidiff file: does not contain elements"));      return 0;   }   do {      if (xml_isNode(node,"unidiff")) {         /* Check to see if it's the diff we're looking for. */         xmlr_attr(node,"name",diffname);         if (strcmp(diffname,name)==0) {            /* Apply it. */            diff_patch( node );            /* Clean up. */            free(diffname);            xmlFreeDoc(doc);            free(buf);            economy_execQueued();            return 0;         }         free(diffname);      }   } while (xml_nextNode(node));   /* More clean up. */   xmlFreeDoc(doc);   free(buf);   WARN(_("UniDiff '%s' not found in %s."), name, DIFF_DATA_PATH);   return -1;}

/** * @brief Loads the diffs. * *    @param parent Parent node containing diffs. *    @return 0 on success. */int diff_load( xmlNodePtr parent ){   xmlNodePtr node, cur;   diff_clear();   node = parent->xmlChildrenNode;   do {      if (xml_isNode(node,"diffs")) {         cur = node->xmlChildrenNode;         do {            if (xml_isNode(cur,"diff"))               diff_apply( xml_get(cur) );         } while (xml_nextNode(cur));      }   } while (xml_nextNode(node));   return 0;}

/** * @brief Loads the spfx stack. * *    @return 0 on success. * * @todo Make spfx not hardcoded. */int spfx_load (void){   int mem;   uint32_t bufsize;   char *buf;   xmlNodePtr node;   xmlDocPtr doc;   /* Load and read the data. */   buf = ndata_read( SPFX_DATA, &bufsize );   doc = xmlParseMemory( buf, bufsize );   /* Check to see if document exists. */   node = doc->xmlChildrenNode;   if (!xml_isNode(node,SPFX_XML_ID)) {      ERR("Malformed '"SPFX_DATA"' file: missing root element '"SPFX_XML_ID"'");      return -1;   }   /* Check to see if is populated. */   node = node->xmlChildrenNode; /* first system node */   if (node == NULL) {      ERR("Malformed '"SPFX_DATA"' file: does not contain elements");      return -1;   }   /* First pass, loads up ammunition. */   mem = 0;   do {      if (xml_isNode(node,SPFX_XML_TAG)) {         spfx_neffects++;         if (spfx_neffects > mem) {            mem += CHUNK_SIZE;            spfx_effects = realloc(spfx_effects, sizeof(SPFX_Base)*mem);         }         spfx_base_parse( &spfx_effects[spfx_neffects-1], node );      }   } while (xml_nextNode(node));   /* Shrink back to minimum - shouldn't change ever. */   spfx_effects = realloc(spfx_effects, sizeof(SPFX_Base) * spfx_neffects);   /* Clean up. */   xmlFreeDoc(doc);   free(buf);   /*    * Now initialize force feedback.    */   spfx_hapticInit();   return 0;}

/** * @brief Loads all the mission data. * *    @return 0 on success. */int missions_load (void){   int i, m;   uint32_t bufsize;   char *buf;   for (i=0; i<MISSION_MAX; i++)      player_missions[i] = calloc(1, sizeof(Mission));   buf = ndata_read( MISSION_DATA_PATH, &bufsize );   xmlNodePtr node;   xmlDocPtr doc = xmlParseMemory( buf, bufsize );   node = doc->xmlChildrenNode;   if (!xml_isNode(node,XML_MISSION_ID)) {      ERR("Malformed '"MISSION_DATA_PATH"' file: missing root element '"XML_MISSION_ID"'");      return -1;   }   node = node->xmlChildrenNode; /* first mission node */   if (node == NULL) {      ERR("Malformed '"MISSION_DATA_PATH"' file: does not contain elements");      return -1;   }   m = 0;   do {      if (xml_isNode(node,XML_MISSION_TAG)) {         /* See if must grow. */         mission_nstack++;         if (mission_nstack > m) {            m += MISSION_CHUNK;            mission_stack = realloc(mission_stack, sizeof(MissionData)*m);         }         /* Load it. */         mission_parse( &mission_stack[mission_nstack-1], node );      }   } while (xml_nextNode(node));   /* Shrink to minimum. */   mission_stack = realloc(mission_stack, sizeof(MissionData)*mission_nstack);   /* Clean up. */   xmlFreeDoc(doc);   free(buf);   DEBUG("Loaded %d Mission%s", mission_nstack, (mission_nstack==1) ? "" : "s" );   return 0;}

/** * @brief Parses the map tidbits of the outfit. * *    @param temp Outfit to finish loading. *    @param parent Outfit's parent node. */static void outfit_parseSMap( Outfit *temp, const xmlNodePtr parent ){   xmlNodePtr node;   node = parent->children;   do {      xmlr_int(node,"radius",temp->u.map.radius);   } while (xml_nextNode(node));   if (temp->u.map.radius==0)      WARN("Outfit '%s' missing/invalid 'radius' element", temp->name);}

/** * @brief Loads all the outfits. * *    @return 0 on success. */int outfit_load (void){   int i, mem;   uint32_t bufsize;   char *buf = ndata_read( OUTFIT_DATA, &bufsize );   xmlNodePtr node;   xmlDocPtr doc = xmlParseMemory( buf, bufsize );   node = doc->xmlChildrenNode;   if (!xml_isNode(node,XML_OUTFIT_ID)) {      ERR("Malformed '"OUTFIT_DATA"' file: missing root element '"XML_OUTFIT_ID"'");      return -1;   }           node = node->xmlChildrenNode; /* first system node */   if (node == NULL) {      ERR("Malformed '"OUTFIT_DATA"' file: does not contain elements");      return -1;   }           /* First pass, loads up ammunition. */   mem = 0;   do {      if (xml_isNode(node,XML_OUTFIT_TAG)) {         outfit_nstack++;         if (outfit_nstack > mem) {            mem += CHUNK_SIZE;            outfit_stack = realloc(outfit_stack, sizeof(Outfit)*mem);         }         outfit_parse( &outfit_stack[outfit_nstack-1], node );                     }   } while (xml_nextNode(node));   /* Shrink back to minimum - shouldn't change ever. */   outfit_stack = realloc(outfit_stack, sizeof(Outfit) * outfit_nstack);   /* Second pass, sets up ammunition relationships. */   for (i=0; i<outfit_nstack; i++) {      if (outfit_isLauncher(&outfit_stack[i]))         outfit_stack[i].u.lau.ammo = outfit_get( outfit_stack[i].u.lau.ammo_name );      else if (outfit_isFighterBay(&outfit_stack[i]))         outfit_stack[i].u.bay.ammo = outfit_get( outfit_stack[i].u.bay.ammo_name );   }   xmlFreeDoc(doc);   free(buf);   DEBUG("Loaded %d Outfit%s", outfit_nstack, (outfit_nstack==1) ? "" : "s" );   return 0;}

/** * @brief Parses the fighter tidbits of the outfit. * *    @param temp Outfit to finish loading. *    @param parent Outfit's parent node. */static void outfit_parseSFighter( Outfit *temp, const xmlNodePtr parent ){   xmlNodePtr node;   node = parent->children;   do {      xmlr_strd(node,"ship",temp->u.fig.ship);   } while (xml_nextNode(node));#define MELEMENT(o,s) /if (o) WARN("Outfit '%s' missing/invalid '"s"' element", temp->name)/**< Define to help check for data errors. */   MELEMENT(temp->u.fig.ship==NULL,"ship");#undef MELEMENT}

/** * @brief Loads the player's active missions from a save. * *    @param parent Node containing the player's active missions. *    @return 0 on success. */int missions_loadActive( xmlNodePtr parent ){   xmlNodePtr node;   /* cleanup old missions */   missions_cleanup();   node = parent->xmlChildrenNode;   do {      if (xml_isNode(node,"missions"))         if (missions_parseActive( node ) < 0) return -1;   } while (xml_nextNode(node));   return 0;}

/** * @brief Parses a single faction, but doesn't set the allies/enemies bit. * *    @param temp Faction to load data into. *    @param parent Parent node to extract faction from. *    @return Faction created from parent node. */static int faction_parse( Faction* temp, xmlNodePtr parent ){   xmlNodePtr node;   int player;   char buf[PATH_MAX];   /* Clear memory. */   memset( temp, 0, sizeof(Faction) );   temp->name = xml_nodeProp(parent,"name");   if (temp->name == NULL) WARN("Faction from "FACTION_DATA" has invalid or no name");   player = 0;   node = parent->xmlChildrenNode;   do {      /* Can be 0 or negative, so we have to take that into account. */      if (xml_isNode(node,"player")) {         temp->player_def = xml_getFloat(node);         player = 1;         continue;      }      xmlr_strd(node,"longname",temp->longname);      if (xml_isNode(node, "colour"))         temp->colour = col_fromName(xml_raw(node));      if (xml_isNode(node,"logo")) {         snprintf( buf, PATH_MAX, FACTION_LOGO_PATH"%s_small.png", xml_get(node));         temp->logo_small = gl_newImage(buf, 0);         continue;      }      if (xml_isNode(node,"static")) {         faction_setFlag(temp, FACTION_STATIC);         continue;      }      if (xml_isNode(node,"invisible")) {         faction_setFlag(temp, FACTION_INVISIBLE);         continue;      }   } while (xml_nextNode(node));   if (player==0)      DEBUG("Faction '%s' missing player tag.", temp->name);   return 0;}

/** * @brief Parses the specific area for a launcher and loads it into Outfit. * *    @param temp Outfit to finish loading. *    @param parent Outfit's parent node. */static void outfit_parseSLauncher( Outfit* temp, const xmlNodePtr parent ){   xmlNodePtr node;   node  = parent->xmlChildrenNode;   do { /* load all the data */      xmlr_int(node,"delay",temp->u.lau.delay);      xmlr_strd(node,"ammo",temp->u.lau.ammo_name);   } while (xml_nextNode(node));#define MELEMENT(o,s) /if (o) WARN("Outfit '%s' missing '"s"' element", temp->name) /**< Define to help check for data errors. */   MELEMENT(temp->u.lau.ammo_name==NULL,"ammo");   MELEMENT(temp->u.lau.delay==0,"delay");#undef MELEMENT}

/** * @brief Parses the fighter bay tidbits of the outfit. * *    @param temp Outfit to finish loading. *    @param parent Outfit's parent node. */static void outfit_parseSFighterBay( Outfit *temp, const xmlNodePtr parent ){   xmlNodePtr node;   node = parent->children;   do {      xmlr_int(node,"delay",temp->u.bay.delay);      xmlr_strd(node,"ammo",temp->u.bay.ammo_name);   } while (xml_nextNode(node));#define MELEMENT(o,s) /if (o) WARN("Outfit '%s' missing/invalid '"s"' element", temp->name) /**< Define to help check for data errors. */   MELEMENT(temp->u.bay.delay==0,"delay");   MELEMENT(temp->u.bay.ammo_name==NULL,"ammo");#undef MELEMENT}

/** * @brief Loads all the fleets. * *    @return 0 on success. */static int fleet_loadFleets (void){   int mem;   uint32_t bufsize;   char *buf;   xmlNodePtr node;   xmlDocPtr doc;   /* Load the data. */   buf = ndata_read( FLEET_DATA, &bufsize);   doc = xmlParseMemory( buf, bufsize );   node = doc->xmlChildrenNode; /* fleets node */   if (strcmp((char*)node->name,"Fleets")) {      ERR("Malformed "FLEET_DATA" file: missing root element 'Fleets'.");      return -1;   }   node = node->xmlChildrenNode; /* first fleet node */   if (node == NULL) {      ERR("Malformed "FLEET_DATA" file: does not contain elements.");      return -1;   }   mem = 0;   do {      if (xml_isNode(node,"fleet")) {         /* See if memory must grow. */         nfleets++;         if (nfleets > mem) {            mem += CHUNK_SIZE;            fleet_stack = realloc(fleet_stack, sizeof(Fleet) * mem);         }         /* Load the fleet. */         fleet_parse( &fleet_stack[nfleets-1], node );      }   } while (xml_nextNode(node));   /* Shrink to minimum. */   fleet_stack = realloc(fleet_stack, sizeof(Fleet) * nfleets);   xmlFreeDoc(doc);   free(buf);   return 0;}

/** * @brief Patches a asset. * *    @param diff Diff that is doing the patching. *    @param node Node containing the asset. *    @return 0 on success. */static int diff_patchAsset( UniDiff_t *diff, xmlNodePtr node ){   UniHunk_t base, hunk;   xmlNodePtr cur;   /* Set the target. */   memset(&base, 0, sizeof(UniHunk_t));   base.target.type = HUNK_TARGET_ASSET;   xmlr_attr(node,"name",base.target.u.name);   if (base.target.u.name==NULL) {      WARN(_("Unidiff '%s' has an target node without a 'name' tag"), diff->name);      return -1;   }   /* Now parse the possible changes. */   cur = node->xmlChildrenNode;   do {      xml_onlyNodes(cur);      if (xml_isNode(cur,"faction")) {         hunk.target.type = base.target.type;         hunk.target.u.name = strdup(base.target.u.name);         /* Outfit type is constant. */         hunk.type = HUNK_TYPE_ASSET_FACTION;         /* Get the data. */         hunk.u.name = xml_getStrd(cur);         /* Apply diff. */         if (diff_patchHunk( &hunk ) < 0)            diff_hunkFailed( diff, &hunk );         else            diff_hunkSuccess( diff, &hunk );         continue;      }      WARN(_("Unidiff '%s' has unknown node '%s'."), diff->name, node->name);   } while (xml_nextNode(cur));   /* Clean up some stuff. */   free(base.target.u.name);   base.target.u.name = NULL;   return 0;}

/** * @brief Parses the jammer tidbits of the outfit. * *    @param temp Outfit to finish loading. *    @param parent Outfit's parent node. */static void outfit_parseSJammer( Outfit *temp, const xmlNodePtr parent ){   xmlNodePtr node;   node = parent->children;   do {      xmlr_float(node,"range",temp->u.jam.range);      xmlr_float(node,"chance",temp->u.jam.chance);      xmlr_float(node,"energy",temp->u.jam.energy);   } while (xml_nextNode(node));   temp->u.jam.chance /= 100.; /* Put in per one, instead of percent */   temp->u.jam.energy /= 60.; /* It's per minute */#define MELEMENT(o,s) /if (o) WARN("Outfit '%s' missing/invalid '"s"' element", temp->name) /**< Define to help check for data errors. */   MELEMENT(temp->u.jam.range==0.,"range");   MELEMENT(temp->u.jam.chance==0.,"chance");#undef MELEMENT}

/** * @brief Parses the afterburner tidbits of the outfit. * *    @param temp Outfit to finish loading. *    @param parent Outfit's parent node. */static void outfit_parseSAfterburner( Outfit* temp, const xmlNodePtr parent ){   xmlNodePtr node;   node = parent->children;   /* must be >= 1. */   temp->u.afb.thrust_perc = 1.;   temp->u.afb.speed_perc = 1.;      do { /* parse the data */      xmlr_float(node,"rumble",temp->u.afb.rumble);      if (xml_isNode(node,"sound"))         temp->u.afb.sound = sound_get( xml_get(node) );      if (xml_isNode(node,"thrust_perc"))         temp->u.afb.thrust_perc = 1. + xml_getFloat(node)/100.;      xmlr_float(node,"thrust_abs",temp->u.afb.thrust_abs);      if (xml_isNode(node,"speed_perc"))         temp->u.afb.speed_perc = 1. + xml_getFloat(node)/100.;      xmlr_float(node,"speed_abs",temp->u.afb.speed_abs);      xmlr_float(node,"energy",temp->u.afb.energy);   } while (xml_nextNode(node));}

/** * @brief Loads all the events. * *    @return 0 on success. */int events_load (void){   int m;   uint32_t bufsize;   char *buf;   xmlNodePtr node;   xmlDocPtr doc;    /* Load the data. */   buf = ndata_read( EVENT_DATA, &bufsize );   if (buf == NULL) {      WARN("Unable to read data from '%s'", EVENT_DATA);      return -1;   }   /* Load the document. */   doc = xmlParseMemory( buf, bufsize );   if (doc == NULL) {      WARN("Unable to parse document '%s'", EVENT_DATA);      return -1;   }   /* Get the root node. */   node = doc->xmlChildrenNode;   if (!xml_isNode(node,XML_EVENT_ID)) {      WARN("Malformed '"EVENT_DATA"' file: missing root element '"XML_EVENT_ID"'");      return -1;   }   /* Get the first node. */   node = node->xmlChildrenNode; /* first mission node */   if (node == NULL) {      WARN("Malformed '"EVENT_DATA"' file: does not contain elements");      return -1;   }   m = 0;   do {      if (xml_isNode(node,XML_EVENT_TAG)) {         /* See if must grow. */         event_ndata++;         if (event_ndata > m) {            m += EVENT_CHUNK;            event_data = realloc(event_data, sizeof(EventData_t)*m);         }         /* Load it. */         event_parse( &event_data[event_ndata-1], node );      }   } while (xml_nextNode(node));   /* Shrink to minimum. */   event_data = realloc(event_data, sizeof(EventData_t)*event_ndata);   /* Clean up. */                                                           xmlFreeDoc(doc);   free(buf);   DEBUG("Loaded %d Event%s", event_ndata, (event_ndata==1) ? "" : "s" );   return 0;}