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58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
#include <sol.hpp>
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#include <string>
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#include <iostream>
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// this example shows how to read data in from a lua table
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int main() {
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sol::state lua;
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// table used as an array
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lua.script("table1 = {\"hello\", \"table\"}");
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// table with a nested table and the key value syntax
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lua.script("table2 = {"
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"[\"nestedTable\"] = {"
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"[\"key1\"] = \"value1\","
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"[\"key2\"]= \"value2\""
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"},"
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"[\"name\"]= \"table2\""
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"}");
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auto t2 = lua.get<sol::table>("table2");
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auto nestedTable = t2.get<sol::table>("nestedTable");
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/* Shorter Syntax: */
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// using the values stored in table1
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/*std::cout << (std::string)lua["table1"][1] << " "
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<< (std::string)lua["table1"][2] << '\n';
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*/
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// some retrieval of values from the nested table
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// the cleaner way of doing things
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// chain off the the get<>() / [] results
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std::string x = lua["table2"]["nestedTable"]["key2"];
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std::cout << "nested table: key1 : " << nestedTable.get<std::string>("key1") << ", key2: "
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<< x
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<< '\n';
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std::cout << "name of t2: " << t2.get<std::string>("name") << '\n';
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#ifndef _MSC_VER
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// VC++ has a bug in its implementation and
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// I've filed a bug against the compiler at Microsoft,
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// but the following
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// works on g++ and clang++
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std::cout << "name of t2: " << (std::string)t2["name"] << '\n';
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#endif // VC++ being a dumb
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/* Longer Syntax: */
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// using the values stored in table1
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std::cout << lua.get<sol::table>("table1").get<std::string>(1) << " "
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<< lua.get<sol::table>("table1").get<std::string>(2) << '\n';
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// some retrieval of values from the nested table
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// the cleaner way of doing things
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std::cout << "nested table: key1 : " << nestedTable.get<std::string>("key1") << ", key2: "
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// yes you can chain the get<>() results
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<< lua.get<sol::table>("table2").get<sol::table>("nestedTable").get<std::string>("key2")
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<< '\n';
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std::cout << "name of t2: " << t2.get<std::string>("name") << '\n';
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}
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