{

InfoItemVector luaAIInfos;

LuaParser luaParser("LuaAI.lua", SPRING_VFS_MOD_BASE, SPRING_VFS_MOD_BASE);

// It is not an error if the mod does not come with Lua AIs.

if (!luaParser.Execute())

return luaAIInfos;

const LuaTable root = luaParser.GetRoot();

if (!root.IsValid())

throw content_error("root table invalid");

for (int i = 1; root.KeyExists(i); i++) {

std::string shortName = root.GetString(i, "");

std::string description;

std::string version;

// Lua AIs can be specified in two different formats, string (name) or table (name & desc)

if (!shortName.empty()) {

description = "(please see game description, forum or homepage)";

} else {

const LuaTable& optTbl = root.SubTable(i);

if (!optTbl.IsValid())

continue;

shortName = optTbl.GetString("name", "");

if (shortName.empty())

continue;

description = optTbl.GetString("desc", shortName);

version = optTbl.GetString("version", "<not-versioned>");

}

luaAIInfos.emplace_back();

auto& aiInfo = luaAIInfos.back();

InfoItem ii;

ii.key = SKIRMISH_AI_PROPERTY_SHORT_NAME;

ii.valueType = INFO_VALUE_TYPE_STRING;

ii.valueTypeString = shortName;

ii.desc = "short name of this Lua Skirmish AI";

aiInfo[0] = ii;

ii.key = SKIRMISH_AI_PROPERTY_VERSION;

ii.valueType = INFO_VALUE_TYPE_STRING;

ii.valueTypeString = version;

ii.desc = "version of this Lua Skirmish AI, normally defined by the game's version";

aiInfo[1] = ii;

ii.key = SKIRMISH_AI_PROPERTY_NAME;

ii.valueType = INFO_VALUE_TYPE_STRING;

ii.valueTypeString = shortName + " (game-specific AI)";

ii.desc = "human-readable name of this Lua Skirmish AI";

aiInfo[2] = ii;

ii.key = SKIRMISH_AI_PROPERTY_DESCRIPTION;

ii.valueType = INFO_VALUE_TYPE_STRING;

ii.valueTypeString = description;

ii.desc = "short description of this Lua Skirmish AI";

aiInfo[3] = ii;

}

return luaAIInfos;