CLASSTemplate2.bt

BigEndian();

typedef struct {
	enum <ubyte> { 
		CONSTANT_Class = 7,
		CONSTANT_Fieldref = 9,
		CONSTANT_Methodref = 10,
		CONSTANT_InterfaceMethodref = 11,
		CONSTANT_String = 8,
		CONSTANT_Integer = 3,
		CONSTANT_Float = 4,
		CONSTANT_Long = 5,
		CONSTANT_Double = 6,
		CONSTANT_NameAndType = 12,
		CONSTANT_Utf8 = 1
	} tag;
	switch (tag) {
	case 7:
		uint16 name_index;
		break;
	case 9:
		uint16 class_index;
		uint16 name_and_type_index;
		break;
	case 10:
		uint16 class_index;
		uint16 name_and_type_index;
		break;
	case 11:
		uint16 class_index;
		uint16 name_and_type_index;
		break;
	case 8:
		uint16 string_index;
		break;
	case 3:
		int32 int_value;
		break;
	case 4:
		float float_value;
		break;
	case 5:
		int64 long_value;
		break;
	case 6:
		double double_value;
		break;
	case 12:
		uint16 name_index;
		uint16 descriptor_index;
		break;
	case 1:
		uint16 length;
    		char utf8_value[length];
		break;
	}
} cp_info;

typedef struct {
	uint16 attribute_name_index;
	uint32 attribute_length;
    char info[attribute_length];
} attribute_info;

typedef struct {
	uint16 access_flags <format = binary>;
	uint16 name_index;
	uint16 descriptor_index;
	uint16 attributes_count;
    local int i_att2 = 0;
    for ( i_att2 = 0; i_att2 < attributes_count; i_att2++) {
	    attribute_info attributes;
    };
} field_info, method_info;

typedef struct {
	uint32 magic <format = hex>;
	if (magic != 0xCAFEBABE) {
		Warning ("Invalid Class File.");
		return -1;
	}
	uint16 minor_version;
	uint16 major_version;
	uint16 constant_pool_count;
    local int i_cp = 0;
	for ( i_cp = 1; i_cp < constant_pool_count; i_cp++) {
        cp_info constant_pool;
        if ( constant_pool.tag == 5 || constant_pool.tag == 6 ){
            i_cp++;
        }
	};
	uint16 access_flags <format = binary>;
	uint16 this_class;
	uint16 super_class;
	uint16 interfaces_count;
    local int i_if = 0;
    for ( i_if = 0; i_if < interfaces_count; i_if++) {
	    uint16 interfaces;
    };
	uint16 fields_count;
    local int i_fld = 0;
    for ( i_fld = 0; i_fld < fields_count; i_fld++) {
	    field_info fields;
    };
	uint16 methods_count;
    local int i_m = 0;
    for ( i_m = 0; i_m < methods_count; i_m++) {
	    method_info methods;
    };
	uint16 attributes_count;
    local int i_att = 0;
    for ( i_att = 0; i_att < attributes_count; i_att++) {
	    attribute_info attributes;
    };
} class_file;

class_file file;

if (!FEof()) {
    Warning("File is not properly ended.");
};