added tutorial on reading in values from lua table to c++

This commit is contained in:
mp4 2015-01-11 00:28:30 -07:00
parent 351c5af8f6
commit c83d1941db

36
examples/tables.cpp Normal file
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#include <sol.hpp>
#include <string>
#include <iostream>
/// this example shows how to read data in from a lua table
using namespace std;
//compiles on linux with: g++ -std=c++11 -I.. table.cpp -o tables -llua
int main(int argc, char * argv[])
{
sol::state lua;
//table used as an array
lua.script("table1 = {\"hello\", \"table\"}");
//table with a nested table and the key value syntax
lua.script("table2 = {[\"nestedTable\"]={[\"key1\"]=\"value1\", [\"key2\"]=\"value2\"},"
" [\"name\"]=\"table2\"}");
//using the values stored in table1
cout << lua.get<sol::table>("table1").get<string>(1)<< " " <<
lua.get<sol::table>("table1").get<string>(2) << endl;
auto t2 = lua.get<sol::table>("table2");
auto nestedTable = t2.get<sol::table>("nestedTable");
//some retrival of values from the nested table
//the cleaner way of doing things
cout << "nested table: key1 : " << nestedTable.get<string>("key1") << ", key2: "
//yes you can chain the get<>() results
<< lua.get<sol::table>("table2").get<sol::table>("nestedTable").get<string>("key2")
<< endl;
cout << "name of t2: " << t2.get<string>("name") << endl;
return 0;
}