fs2open.github.com/code/scripting/api/libs/tables.cpp

//
//

#include "tables.h"

#include "scripting/api/objs/shipclass.h"
#include "scripting/api/objs/weaponclass.h"
#include "scripting/api/objs/intelentry.h"

#include "ship/ship.h"
#include "weapon/weapon.h"
#include "menuui/techmenu.h"


extern bool Ships_inited;
extern bool Weapons_inited;
extern bool Intel_inited;


namespace scripting {
namespace api {

//**********LIBRARY: Tables
ADE_LIB(l_Tables, "Tables", "tb", "Tables library");

//*****SUBLIBRARY: Tables/ShipClasses
ADE_LIB_DERIV(l_Tables_ShipClasses, "ShipClasses", NULL, NULL, l_Tables);
ADE_INDEXER(l_Tables_ShipClasses, "number/string IndexOrName", "Array of ship classes", "shipclass", "Ship class handle, or invalid handle if index is invalid")
{
	if(!Ships_inited)
		return ade_set_error(L, "o", l_Shipclass.Set(-1));

	const char* name;
	if(!ade_get_args(L, "*s", &name))
		return ade_set_error(L, "o", l_Shipclass.Set(-1));

	int idx = ship_info_lookup(name);

	if(idx < 0) {
		try {
			idx = std::stoi(name);
			idx--; // Lua->FS2
		} catch (const std::exception&) {
			// Not a number
			return ade_set_error(L, "o", l_Shipclass.Set(-1));
		}

		if (idx < 0 || idx >= ship_info_size()) {
			return ade_set_error(L, "o", l_Shipclass.Set(-1));
		}
	}

	return ade_set_args(L, "o", l_Shipclass.Set(idx));
}

ADE_FUNC(__len, l_Tables_ShipClasses, NULL, "Number of ship classes", "number", "Number of ship classes, or 0 if ship classes haven't been loaded yet")
{
	if(!Ships_inited)
		return ade_set_args(L, "i", 0);	//No ships loaded...should be 0

	return ade_set_args(L, "i", Ship_info.size());
}

//*****SUBLIBRARY: Tables/WeaponClasses
ADE_LIB_DERIV(l_Tables_WeaponClasses, "WeaponClasses", NULL, NULL, l_Tables);

ADE_INDEXER(l_Tables_WeaponClasses, "number/string IndexOrWeaponName", "Array of weapon classes", "weapon", "Weapon class handle, or invalid handle if index is invalid")
{
	if(!Weapons_inited)
		return ade_set_error(L, "o", l_Weaponclass.Set(-1));

	const char* name;
	if(!ade_get_args(L, "*s", &name))
		return 0;

	int idx = weapon_info_lookup(name);

	if(idx < 0) {
		idx = atoi(name);

		// atoi is good enough here, 0 is invalid anyway
		if (idx > 0)
		{
			idx--; // Lua --> C/C++
		}
		else
		{
			return ade_set_args(L, "o", l_Weaponclass.Set(-1));
		}
	}

	return ade_set_args(L, "o", l_Weaponclass.Set(idx));
}

ADE_FUNC(__len, l_Tables_WeaponClasses, NULL, "Number of weapon classes", "number", "Number of weapon classes, or 0 if weapon classes haven't been loaded yet")
{
	if(!Weapons_inited)
		return ade_set_args(L, "i", 0);

	return ade_set_args(L, "i", weapon_info_size());
}

//*****SUBLIBRARY: Tables/IntelEntries
ADE_LIB_DERIV(l_Tables_IntelEntries, "IntelEntries", nullptr, nullptr, l_Tables);
ADE_INDEXER(l_Tables_IntelEntries, "number/string IndexOrName", "Array of intel entries", "intel_entry", "Intel entry handle, or invalid handle if index is invalid")
{
	if(!Intel_inited)
		return ade_set_error(L, "o", l_Intelentry.Set(-1));

	const char* name;
	if(!ade_get_args(L, "*s", &name))
		return ade_set_error(L, "o", l_Intelentry.Set(-1));

	int idx = intel_info_lookup(name);

	if(idx < 0) {
		try {
			idx = std::stoi(name);
			idx--; // Lua->FS2
		} catch (const std::exception&) {
			// Not a number
			return ade_set_error(L, "o", l_Intelentry.Set(-1));
		}

		if (idx < 0 || idx >= Intel_info_size) {
			return ade_set_error(L, "o", l_Intelentry.Set(-1));
		}
	}

	return ade_set_args(L, "o", l_Intelentry.Set(idx));
}

ADE_FUNC(__len, l_Tables_IntelEntries, nullptr, "Number of intel entries", "number", "Number of intel entries, or 0 if intel entries haven't been loaded yet")
{
	if(!Intel_inited)
		return ade_set_args(L, "i", 0);	//No intel loaded...should be 0

	return ade_set_args(L, "i", Intel_info_size);
}


}
}