75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
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#define SOL_ALL_SAFETIES_ON 1
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#include <sol/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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std::cout << "=== tables ===" << std::endl;
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sol::state lua;
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// table used as an array
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lua.script(R"(table1 = {"hello", "table"})");
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// table with a nested table and the key value syntax
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lua.script(R"(
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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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)");
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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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auto t2 = lua.get<sol::table>("table2");
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auto nestedTable = t2.get<sol::table>("nestedTable");
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// Alternatively:
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// sol::table t2 = lua["table2"];
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// sol::table nestedTable = t2["nestedTable"];
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std::string x = lua["table2"]["nestedTable"]["key2"];
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std::cout << "nested table: key1 : "
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<< nestedTable.get<std::string>("key1")
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<< ", key2: " << x << '\n';
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std::cout << "name of t2: " << t2.get<std::string>("name")
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<< '\n';
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std::string t2name = t2["name"];
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std::cout << "name of t2: " << t2name << '\n';
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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>(
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1) << " "
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<< lua.get<sol::table>("table1").get<std::string>(
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2)
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<< '\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 : "
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<< nestedTable.get<std::string>("key1")
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<< ", key2: "
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// yes you can chain the get<>() results
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<< lua.get<sol::table>("table2")
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.get<sol::table>("nestedTable")
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.get<std::string>("key2")
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<< '\n';
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std::cout << "name of t2: " << t2.get<std::string>("name")
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<< '\n';
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std::cout << std::endl;
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return 0;
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}
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