gistfile1.cpp

struct uniform_info
    {
        std::string name;
        std::string type;
        int component_count;
        bool is_matrix;
        int array_count;
        GLint location;
        pfn_void parameter_setting_function;
        uniform_info()
        {
            array_count = 0;
            location = INVALID_UNIFORM_LOCATION;
            parameter_setting_function = NULL;
        }
    };
    
    class uniform_extractor
    {
    public:
        std::vector<uniform_info> uniforms;
        void operator()(const semparse::semantic_graph_node& Node)
        {
            if(is_uniform_node(Node))
            {
                //Extract info
                uniform_info Info;
                Info.name = std::string(Node["variable_name"]);
                Info.type = std::string(Node["type_name"]["type_name_identifier"]);
                Info.component_count = component_count(Info.type);
                Info.is_matrix = is_matrix(Info.type);
                if(Node.has_child("array_count"))
                {
                    Info.array_count = lexical_cast<int>(string(Node["array_count"]["count"]));
                }
                Info.parameter_setting_function = function_pointer_for_parameter_setting(Info.type);
                assert(Info.parameter_setting_function != NULL);
                uniforms.push_back(Info);
            }
        }
    };