C++ (Cpp) anonymous_struct Examples

Example #1

File: struct.c Project: charneykaye/learning-ruby-on-rails

static VALUE
struct_define_without_accessor(VALUE outer, const char *class_name, VALUE super, rb_alloc_func_t alloc, VALUE members)
{
    VALUE klass;

    if (class_name) {
        if (outer) {
            klass = rb_define_class_under(outer, class_name, super);
        }
        else {
            klass = rb_define_class(class_name, super);
        }
    }
    else {
        klass = anonymous_struct(super);
    }

    rb_ivar_set(klass, id_members, members);

    if (alloc) {
        rb_define_alloc_func(klass, alloc);
    }
    else {
        rb_define_alloc_func(klass, struct_alloc);
    }

    return klass;
}

Example #2

File: struct.c Project: Danylyuk/first_app

VALUE
rb_struct_define_without_accessor(const char *class_name, VALUE super, rb_alloc_func_t alloc, ...)
{
    VALUE klass;
    va_list ar;
    VALUE members;
    char *name;

    members = rb_ary_tmp_new(0);
    va_start(ar, alloc);
    while ((name = va_arg(ar, char*)) != NULL) {
        rb_ary_push(members, ID2SYM(rb_intern(name)));
    }
    va_end(ar);
    OBJ_FREEZE(members);

    if (class_name) {
        klass = rb_define_class(class_name, super);
    }
    else {
	klass = anonymous_struct(super);
    }

    rb_ivar_set(klass, id_members, members);

    if (alloc)
        rb_define_alloc_func(klass, alloc);
    else
        rb_define_alloc_func(klass, struct_alloc);

    return klass;
}

Example #3

File: struct.c Project: charneykaye/learning-ruby-on-rails

VALUE
rb_struct_define(const char *name, ...)
{
    va_list ar;
    VALUE st, ary;
    char *mem;

    ary = rb_ary_tmp_new(0);

    va_start(ar, name);
    while ((mem = va_arg(ar, char*)) != 0) {
        ID slot = rb_intern(mem);
        rb_ary_push(ary, ID2SYM(slot));
    }
    va_end(ar);

    if (!name) st = anonymous_struct(rb_cStruct);
    else st = new_struct(rb_str_new2(name), rb_cStruct);
    return setup_struct(st, ary);
}

Example #4

File: struct.c Project: charneykaye/learning-ruby-on-rails

static VALUE
rb_struct_s_def(int argc, VALUE *argv, VALUE klass)
{
    VALUE name, rest;
    long i;
    VALUE st;
    ID id;

    rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);
    name = argv[0];
    if (SYMBOL_P(name)) {
        name = Qnil;
    }
    else {
        --argc;
        ++argv;
    }
    rest = rb_ary_tmp_new(argc);
    for (i=0; i<argc; i++) {
        id = rb_to_id(argv[i]);
        RARRAY_ASET(rest, i, ID2SYM(id));
        rb_ary_set_len(rest, i+1);
    }
    if (NIL_P(name)) {
        st = anonymous_struct(klass);
    }
    else {
        st = new_struct(name, klass);
    }
    setup_struct(st, rest);
    if (rb_block_given_p()) {
        rb_mod_module_eval(0, 0, st);
    }

    return st;
}