cheat_entry::cheat_entry(cheat_manager &manager, symbol_table &globaltable, const char *filename, xml_data_node &cheatnode)
: m_manager(manager),
m_next(NULL),
m_on_script(NULL),
m_off_script(NULL),
m_change_script(NULL),
m_run_script(NULL),
m_symbols(&manager.machine(), &globaltable),
m_state(SCRIPT_STATE_OFF),
m_numtemp(DEFAULT_TEMP_VARIABLES),
m_argindex(0)
{
// reset scripts
try
{
// pull the variable count out ahead of things
int tempcount = xml_get_attribute_int(&cheatnode, "tempvariables", DEFAULT_TEMP_VARIABLES);
if (tempcount < 1)
throw emu_fatalerror("%s.xml(%d): invalid tempvariables attribute (%d)\n", filename, cheatnode.line, tempcount);
// allocate memory for the cheat
m_numtemp = tempcount;
// get the description
const char *description = xml_get_attribute_string(&cheatnode, "desc", NULL);
if (description == NULL || description[0] == 0)
throw emu_fatalerror("%s.xml(%d): empty or missing desc attribute on cheat\n", filename, cheatnode.line);
m_description = description;
// create the symbol table
m_symbols.add("argindex", symbol_table::READ_ONLY, &m_argindex);
astring tempname;
for (int curtemp = 0; curtemp < tempcount; curtemp++)
m_symbols.add(tempname.format("temp%d", curtemp), symbol_table::READ_WRITE);
// read the first comment node
xml_data_node *commentnode = xml_get_sibling(cheatnode.child, "comment");
if (commentnode != NULL)
{
// set the value if not NULL
if (commentnode->value != NULL && commentnode->value[0] != 0)
m_comment.cpy(commentnode->value);
// only one comment is kept
commentnode = xml_get_sibling(commentnode->next, "comment");
if (commentnode != NULL)
mame_printf_warning("%s.xml(%d): only one comment node is retained; ignoring additional nodes\n", filename, commentnode->line);
}
// read the first parameter node
xml_data_node *paramnode = xml_get_sibling(cheatnode.child, "parameter");
if (paramnode != NULL)
{
// load this parameter
m_parameter.reset(global_alloc(cheat_parameter(manager, m_symbols, filename, *paramnode)));
// only one parameter allowed
paramnode = xml_get_sibling(paramnode->next, "parameter");
if (paramnode != NULL)
mame_printf_warning("%s.xml(%d): only one parameter node allowed; ignoring additional nodes\n", filename, paramnode->line);
}
// read the script nodes
for (xml_data_node *scriptnode = xml_get_sibling(cheatnode.child, "script"); scriptnode != NULL; scriptnode = xml_get_sibling(scriptnode->next, "script"))
{
// load this entry
cheat_script *curscript = global_alloc(cheat_script(manager, m_symbols, filename, *scriptnode));
// if we have a script already for this slot, it is an error
auto_pointer<cheat_script> &slot = script_for_state(curscript->state());
if (slot != NULL)
mame_printf_warning("%s.xml(%d): only one on script allowed; ignoring additional scripts\n", filename, scriptnode->line);
else
slot.reset(curscript);
}
}
catch (emu_fatalerror &)
{
// call our destructor to clean up and re-throw
this->~cheat_entry();
throw;
}
}
cheat_entry::cheat_entry(cheat_manager &manager, symbol_table &globaltable, const char *filename, xml_data_node const &cheatnode)
: m_manager(manager)
, m_symbols(&manager.machine(), &globaltable)
, m_state(SCRIPT_STATE_OFF)
, m_numtemp(DEFAULT_TEMP_VARIABLES)
, m_argindex(0)
{
// reset scripts
try
{
// pull the variable count out ahead of things
int tempcount = cheatnode.get_attribute_int("tempvariables", DEFAULT_TEMP_VARIABLES);
if (tempcount < 1)
throw emu_fatalerror("%s.xml(%d): invalid tempvariables attribute (%d)\n", filename, cheatnode.line, tempcount);
// allocate memory for the cheat
m_numtemp = tempcount;
// get the description
const char *description = cheatnode.get_attribute_string("desc", nullptr);
if (description == nullptr || description[0] == 0)
throw emu_fatalerror("%s.xml(%d): empty or missing desc attribute on cheat\n", filename, cheatnode.line);
m_description = description;
// create the symbol table
m_symbols.add("argindex", symbol_table::READ_ONLY, &m_argindex);
for (int curtemp = 0; curtemp < tempcount; curtemp++) {
m_symbols.add(string_format("temp%d", curtemp).c_str(), symbol_table::READ_WRITE);
}
// read the first comment node
xml_data_node const *commentnode = cheatnode.get_child("comment");
if (commentnode != nullptr)
{
// set the value if not nullptr
if (commentnode->get_value() != nullptr && commentnode->get_value()[0] != 0)
m_comment.assign(commentnode->get_value());
// only one comment is kept
commentnode = commentnode->get_next_sibling("comment");
if (commentnode != nullptr)
osd_printf_warning("%s.xml(%d): only one comment node is retained; ignoring additional nodes\n", filename, commentnode->line);
}
// read the first parameter node
xml_data_node const *paramnode = cheatnode.get_child("parameter");
if (paramnode != nullptr)
{
// load this parameter
m_parameter.reset(global_alloc(cheat_parameter(manager, m_symbols, filename, *paramnode)));
// only one parameter allowed
paramnode = paramnode->get_next_sibling("parameter");
if (paramnode != nullptr)
osd_printf_warning("%s.xml(%d): only one parameter node allowed; ignoring additional nodes\n", filename, paramnode->line);
}
// read the script nodes
for (xml_data_node const *scriptnode = cheatnode.get_child("script"); scriptnode != nullptr; scriptnode = scriptnode->get_next_sibling("script"))
{
// load this entry
auto curscript = global_alloc(cheat_script(manager, m_symbols, filename, *scriptnode));
// if we have a script already for this slot, it is an error
std::unique_ptr<cheat_script> &slot = script_for_state(curscript->state());
if (slot != nullptr)
osd_printf_warning("%s.xml(%d): only one on script allowed; ignoring additional scripts\n", filename, scriptnode->line);
else
slot.reset(curscript);
}
}
catch (emu_fatalerror &)
{
// call our destructor to clean up and re-throw
this->~cheat_entry();
throw;
}
}
