EQ2EMu/EQ2/source/common/ConfigReader.cpp

301 lines
12 KiB
C++

/*
EQ2Emulator: Everquest II Server Emulator
Copyright (C) 2007 EQ2EMulator Development Team (http://www.eq2emulator.net)
This file is part of EQ2Emulator.
EQ2Emulator is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
EQ2Emulator is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with EQ2Emulator. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ConfigReader.h"
#include "Log.h"
ConfigReader::~ConfigReader(){
MStructs.lock();
DestroyStructs();
MStructs.unlock();
}
PacketStruct* ConfigReader::getStructByVersion(const char* name, int16 version){
PacketStruct* packet = 0;
PacketStruct* newpacket = 0;
MStructs.lock();
vector<PacketStruct*>* struct_versions = structs[string(name)];
if(struct_versions){
vector<PacketStruct*>::iterator iter;
for(iter = struct_versions->begin(); iter != struct_versions->end(); iter++){
packet = *iter;
if(packet && packet->GetVersion() == version){
newpacket = new PacketStruct(packet, version);
break;
}
}
}
MStructs.unlock();
if(!newpacket)
LogWrite(PACKET__ERROR, 0, "Packet", "Could not find struct named '%s' with version: %i", name, version);
return newpacket;
}
void ConfigReader::ReloadStructs(){
MStructs.lock();
DestroyStructs();
for(int32 i=0;i<load_files.size();i++)
processXML_Elements(load_files[i].c_str());
MStructs.unlock();
}
void ConfigReader::DestroyStructs(){
map<string, vector<PacketStruct*>*>::iterator struct_iterator;
for(struct_iterator=structs.begin();struct_iterator!=structs.end();struct_iterator++) {
vector<PacketStruct*>* versions = struct_iterator->second;
vector<PacketStruct*>::iterator version_iter;
if(versions){
for(version_iter = versions->begin(); version_iter != versions->end(); version_iter++){
safe_delete(*version_iter);
}
}
safe_delete(versions);
}
structs.clear();
}
PacketStruct* ConfigReader::getStruct(const char* name, int16 version){
PacketStruct* latest_version = 0;
PacketStruct* new_latest_version = 0;
MStructs.lock();
vector<PacketStruct*>* struct_versions = structs[string(name)];
if(struct_versions){
vector<PacketStruct*>::iterator iter;
for(iter = struct_versions->begin(); iter != struct_versions->end(); iter++){
if((*iter)->GetVersion() <= version && (!latest_version || (*iter)->GetVersion() > latest_version->GetVersion()))
latest_version = *iter;
}
if (latest_version) {
if (latest_version->GetOpcode() != OP_Unknown && latest_version->GetOpcodeValue(version) == 0xFFFF) {
LogWrite(PACKET__ERROR, 0, "Packet", "Could not find valid opcode for Packet Struct '%s' and client version %d", latest_version->GetName(), version);
}
else if(strlen(latest_version->GetOpcodeType()) == 0 || latest_version->GetOpcode() != OP_Unknown)
new_latest_version = new PacketStruct(latest_version, version);
}
}
MStructs.unlock();
if(!new_latest_version && !latest_version)
LogWrite(PACKET__ERROR, 0, "Packet", "Could not find struct named '%s'", name);
return new_latest_version;
}
int16 ConfigReader::GetStructVersion(const char* name, int16 version){
MStructs.lock();
vector<PacketStruct*>* struct_versions = structs[string(name)];
int16 ret = 0;
if(struct_versions){
vector<PacketStruct*>::iterator iter;
PacketStruct* latest_version = 0;
for(iter = struct_versions->begin(); iter != struct_versions->end(); iter++){
if(!latest_version || ( (*iter)->GetVersion() > latest_version->GetVersion() && (*iter)->GetVersion() <= version) )
latest_version = *iter;
}
if(latest_version)
ret = latest_version->GetVersion();
}
MStructs.unlock();
return ret;
}
void ConfigReader::addStruct(const char* name, int16 version, PacketStruct* new_struct){
string strname(name);
vector<PacketStruct*>* struct_versions = structs[strname];
if(struct_versions)
struct_versions->push_back(new_struct);
else{
struct_versions = new vector<PacketStruct*>;
struct_versions->push_back(new_struct);
structs[strname] = struct_versions;
}
}
bool ConfigReader::LoadFile(const char* name){
load_files.push_back(name);
return processXML_Elements(name);
}
bool ConfigReader::processXML_Elements(const char* fileName){
XMLNode xMainNode=XMLNode::openFileHelper(fileName,"EQ2Emulator");
if(xMainNode.isEmpty())
return false;
for(int i=0;i<xMainNode.nChildNode("Struct");i++){
const char* struct_name = xMainNode.getChildNode("Struct", i).getAttribute("Name");
const char* str_version = xMainNode.getChildNode("Struct", i).getAttribute("ClientVersion");
const char* opcode_name = xMainNode.getChildNode("Struct", i).getAttribute("OpcodeName");
const char* opcode_type = xMainNode.getChildNode("Struct", i).getAttribute("OpcodeType");
if(!struct_name || !str_version)
{
LogWrite(MISC__WARNING, 0, "Misc", "Ignoring invalid struct, all structs must include at least a Name and ClientVersion!");
continue;
}
int16 version = 1;
try
{
version = atoi(str_version);
}
catch(...)
{
LogWrite(MISC__WARNING, 0, "Misc", "Ignoring invalid version for struct named '%s': '%s'", struct_name, str_version);
continue;
}
PacketStruct* new_struct = new PacketStruct();
new_struct->SetName(struct_name);
if(opcode_type)
new_struct->SetOpcodeType(opcode_type);
if(opcode_name){
if(!new_struct->SetOpcode(opcode_name)){
safe_delete(new_struct);
continue;
}
}
new_struct->SetVersion(version);
loadDataStruct(new_struct, xMainNode.getChildNode("Struct", i));
addStruct(struct_name, version, new_struct);
}
return true;
}
void ConfigReader::loadDataStruct(PacketStruct* packet, XMLNode parentNode, bool array_packet){
for(int x=0;x<parentNode.nChildNode();x++){
const char* name = parentNode.getChildNode("Data", x).getAttribute("ElementName");
const char* type = parentNode.getChildNode("Data", x).getAttribute("Type");
const char* size = parentNode.getChildNode("Data", x).getAttribute("Size");
const char* type2 = parentNode.getChildNode("Data", x).getAttribute("Type2");
const char* array_size = parentNode.getChildNode("Data", x).getAttribute("ArraySizeVariable");
const char* max_array = parentNode.getChildNode("Data", x).getAttribute("MaxArraySize");
const char* substruct = parentNode.getChildNode("Data", x).getAttribute("Substruct");
const char* default_value = parentNode.getChildNode("Data", x).getAttribute("DefaultByteValue");
const char* oversized = parentNode.getChildNode("Data", x).getAttribute("OversizedValue");
const char* oversized_byte = parentNode.getChildNode("Data", x).getAttribute("OversizedByte");
const char* if_variable = parentNode.getChildNode("Data", x).getAttribute("IfVariableSet");
const char* if_not_variable = parentNode.getChildNode("Data", x).getAttribute("IfVariableNotSet");
const char* if_equals_variable = parentNode.getChildNode("Data", x).getAttribute("IfVariableEquals");
const char* if_not_equals_variable = parentNode.getChildNode("Data", x).getAttribute("IfVariableNotEquals");
const char* optional = parentNode.getChildNode("Data", x).getAttribute("Optional");
const char* if_flag_not_set_variable = parentNode.getChildNode("Data", x).getAttribute("IfFlagNotSet");
const char* if_flag_set_variable = parentNode.getChildNode("Data", x).getAttribute("IfFlagSet");
//const char* type2criteria = parentNode.getChildNode("Data", x).getAttribute("Type2Criteria"); // JA: LE added to PacketAnalyzer for Items parsing - 12.2012
//const char* criteria = parentNode.getChildNode("Data", x).getAttribute("Criteria"); // JA: LE added to PacketAnalyzer for Items parsing - 12.2012
int8 max_array_size = 0;
try{
if(max_array)
max_array_size = atoi(max_array);
}
catch(...){}
int16 num_size = 1;
try{
if(size)
num_size = atoi(size);
}
catch(...){}
int8 byte_val = 0;
try{
if(default_value)
byte_val = atoi(default_value);
}
catch(...){}
if(substruct && name){
PacketStruct* substruct_packet = getStruct(substruct, packet->GetVersion());
if(substruct_packet){
vector<DataStruct*>::iterator itr;
vector<DataStruct*>* structs = substruct_packet->getStructs();
DataStruct* ds = 0;
int i = 0;
char tmp[10] = {0};
for(i=0;i<num_size;i++){
sprintf(tmp,"%i",i);
for(itr=structs->begin();itr!=structs->end();itr++) {
ds = *itr;
string new_name;
if(array_packet)
new_name = string(name).append("_").append(ds->GetStringName());
else
new_name = string(name).append("_").append(ds->GetStringName()).append("_").append(tmp);
DataStruct* ds2 = new DataStruct(new_name.c_str(), ds->GetType(),ds->GetLength(), ds->GetType2());
if(!array_packet && strlen(ds->GetArraySizeVariable()) > 1)
ds2->SetArraySizeVariable(string(name).append("_").append(ds->GetArraySizeVariable()).append("_").append(tmp).c_str());
ds2->SetOversized(ds->GetOversized());
ds2->SetOversizedByte(ds->GetOversizedByte());
ds2->SetDefaultValue(ds->GetDefaultValue());
ds2->SetMaxArraySize(ds->GetMaxArraySize());
ds2->SetIfSetVariable(ds->GetIfSetVariable());
ds2->SetIfNotSetVariable(ds->GetIfNotSetVariable());
ds2->SetIfEqualsVariable(ds->GetIfEqualsVariable());
ds2->SetIfNotEqualsVariable(ds->GetIfNotEqualsVariable());
ds2->SetIfFlagNotSetVariable(ds->GetIfFlagNotSetVariable());
ds2->SetIfFlagSetVariable(ds->GetIfFlagSetVariable());
ds2->SetIsOptional(ds->IsOptional());
packet->add(ds2);
}
}
if(!array_packet){
i--;
substruct_packet->renameSubstructArray(name, i);
//ds2->SetArraySizeVariable((char*)string(name).append("_").append(ds->GetArraySizeVariable()).append("_").append(tmp).c_str());
packet->addPacketArrays(substruct_packet);
}
safe_delete(substruct_packet);
}
continue;
}
else if(type && strncasecmp(type,"Array", 5)==0 && array_size){
PacketStruct* new_packet = new PacketStruct;
new_packet->SetName(name);
new_packet->IsSubPacket(true);
new_packet->SetVersion(packet->GetVersion());
loadDataStruct(new_packet, parentNode.getChildNode("Data", x), true);
packet->add(new_packet);
}
if(!name || !type)
{
LogWrite(MISC__WARNING, 0, "Misc", "Ignoring invalid Data Element, all elements must include at least an ElementName and Type!");
LogWrite(MISC__WARNING, 0, "Misc", "\tStruct: '%s', version: %i", parentNode.getAttribute("Name"), parentNode.getAttribute("ClientVersion"));
continue;
}
DataStruct* ds = new DataStruct(name, type, num_size, type2);
int8 oversized_value = 0;
int8 oversized_byte_value = 255;
if(oversized){
try{
oversized_value = atoi(oversized);
}
catch(...){}
}
if(oversized_byte){
try{
oversized_byte_value = atoi(oversized_byte);
}
catch(...){}
}
ds->SetOversizedByte(oversized_byte_value);
ds->SetOversized(oversized_value);
ds->SetMaxArraySize(max_array_size);
if(array_size)
ds->SetArraySizeVariable(array_size);
ds->SetDefaultValue(byte_val);
ds->SetIfSetVariable(if_variable);
ds->SetIfNotSetVariable(if_not_variable);
ds->SetIfEqualsVariable(if_equals_variable);
ds->SetIfNotEqualsVariable(if_not_equals_variable);
ds->SetIfFlagNotSetVariable(if_flag_not_set_variable);
ds->SetIfFlagSetVariable(if_flag_set_variable);
if (optional && strlen(optional) > 0 && (strcmp("true", optional) == 0 || strcmp("TRUE", optional) == 0 || strcmp("True", optional) == 0))
ds->SetIsOptional(true);
packet->add(ds);
}
}