diff options
| author | Andy Belle-Isle <drumsetmonkey@gmail.com> | 2019-08-30 00:45:36 -0400 |
|---|---|---|
| committer | Andy Belle-Isle <drumsetmonkey@gmail.com> | 2019-08-30 00:45:36 -0400 |
| commit | dc2493e7525bb7633f697ef10f72b72b46222249 (patch) | |
| tree | 9816755219e65d3f47fdce81c78f3736a7ddb8ab /lib/sol2/examples/source/lua_value.cpp | |
| parent | 9d2b31797d0cfd130802b69261df2cd402e39b49 (diff) | |
Forget what I said, I just need to change git attributes to mark for vendor
Diffstat (limited to 'lib/sol2/examples/source/lua_value.cpp')
| -rw-r--r-- | lib/sol2/examples/source/lua_value.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/lib/sol2/examples/source/lua_value.cpp b/lib/sol2/examples/source/lua_value.cpp new file mode 100644 index 0000000..97ce227 --- /dev/null +++ b/lib/sol2/examples/source/lua_value.cpp @@ -0,0 +1,103 @@ +#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+#include "assert.hpp"
+#include <iostream>
+#include <string>
+
+struct int_entry {
+ int value;
+
+ int_entry() : value(0) {
+ }
+
+ int_entry(int v) : value(v) {
+ }
+
+ std::string to_string () const {
+ return "int_entry(" + std::to_string(value) + ")";
+ }
+
+ bool operator==(const int_entry& e) const {
+ return value == e.value;
+ }
+};
+
+int main(int, char* []) {
+
+ std::cout << "=== sol::lua_value/sol::array_value ===" << std::endl;
+
+ sol::state lua;
+ lua.open_libraries(sol::lib::base, sol::lib::io);
+
+ sol::lua_value lv_int(lua, 56);
+ sol::lua_value lv_int_table(lua, { 1, 2, 3, 4, 5 });
+ sol::lua_value lv_map(lua, { { "bark bark", "meow hiss!" }, { 3, 4 }, { ":D", 6 } });
+ sol::lua_value lv_mixed_table(lua, sol::array_value{ 1, int_entry(2), 3, int_entry(4), 5 });
+ sol::lua_value lv_mixed_nested_table(lua, sol::array_value{ 1, int_entry(2), 3, int_entry(4), sol::array_value{ 5, 6, int_entry(7), "8" } });
+
+ const auto& code = R"(
+ function real_print_recursive (e, level)
+ local et = type(e)
+ if et == 'table' then
+ io.write("{ ")
+ local iters = 0
+ for k, v in pairs(e) do
+ if iters ~= 0 then
+ io.write(", ")
+ end
+ real_print_recursive(k, level + 1)
+ io.write(": ")
+ real_print_recursive(v, level + 1)
+ iters = iters + 1
+ end
+ io.write(" }")
+ elseif et == 'string' then
+ io.write('"')
+ io.write(e)
+ io.write('"')
+ else
+ io.write(tostring(e))
+ end
+ if level == 0 then
+ io.write("\n")
+ end
+ end
+
+ function print_recursive (e)
+ real_print_recursive(e, 0)
+ end
+ )";
+
+ sol::optional<sol::error> maybe_error = lua.safe_script(code, sol::script_pass_on_error);
+ if (maybe_error) {
+ std::cerr << maybe_error->what() << std::endl;
+ return 1;
+ }
+ sol::function print_recursive = lua["print_recursive"];
+
+ // show it printed out
+ std::cout << "lv_int: " << std::endl;
+ print_recursive(lv_int);
+ std::cout << std::endl;
+
+ std::cout << "lv_int_table: " << std::endl;
+ print_recursive(lv_int_table);
+ std::cout << std::endl;
+
+ std::cout << "lv_map: " << std::endl;
+ print_recursive(lv_map);
+ std::cout << std::endl;
+
+ std::cout << "lv_mixed_table: " << std::endl;
+ print_recursive(lv_mixed_table);
+ std::cout << std::endl;
+
+ std::cout << "lv_mixed_nested_table: " << std::endl;
+ print_recursive(lv_mixed_nested_table);
+ std::cout << std::endl;
+
+ std::cout << std::endl;
+
+ return 0;
+}
\ No newline at end of file |