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decode binary, code, symbol

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This commit is contained in:
Mike Dirolf 2009-03-10 11:48:06 -04:00
parent 0d2e87d105
commit 5bbbd0b1cd
1 changed files with 34 additions and 0 deletions
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34
ext/cbson/cbson.c
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@ -27,6 +27,8 @@
#define INITIAL_BUFFER_SIZE 256
static VALUE Binary;
typedef struct {
char* buffer;
int size;
@ -366,6 +368,7 @@ static VALUE get_value(const char* buffer, int* position, int type) {
break;
}
case 2:
case 13:
{
*position += 4;
int value_length = strlen(buffer + *position);
@ -399,6 +402,23 @@ static VALUE get_value(const char* buffer, int* position, int type) {
(*position)++;
break;
}
case 5:
{
int length;
memcpy(&length, buffer + *position, 4);
int subtype = (unsigned char)buffer[*position + 4];
VALUE data;
if (subtype == 2) {
data = rb_str_new(buffer + *position + 9, length - 4);
} else {
data = rb_str_new(buffer + *position + 5, length);
}
VALUE st = INT2FIX(subtype);
VALUE argv[2] = {data, st};
value = rb_class_new_instance(2, argv, Binary);
*position += length + 5;
break;
}
case 8:
{
value = buffer[(*position)++] ? Qtrue : Qfalse;
@ -409,6 +429,14 @@ static VALUE get_value(const char* buffer, int* position, int type) {
value = Qnil;
break;
}
case 14:
{
int value_length;
memcpy(&value_length, buffer + *position, 4);
value = ID2SYM(rb_intern(buffer + *position + 4));
*position += value_length + 5;
break;
}
case 16:
{
int i;
@ -450,6 +478,12 @@ static VALUE method_deserialize(VALUE self, VALUE bson) {
}
void Init_cbson() {
rb_require("mongo/types/binary");
VALUE driver = rb_const_get(rb_const_get(rb_const_get(rb_cObject,
rb_intern("XGen")),
rb_intern("Mongo")),
rb_intern("Driver"));
Binary = rb_const_get(driver, rb_intern("Binary"));
VALUE CBson = rb_define_module("CBson");
rb_define_module_function(CBson, "serialize", method_serialize, 1);
rb_define_module_function(CBson, "deserialize", method_deserialize, 1);