/*
- * $Id: ext.c 60 2005-06-08 16:18:32Z tilman $
+ * $Id: ext.c 72 2005-07-16 13:15:42Z tilman $
*
* Copyright (c) 2005 Tilman Sauerbeck (tilman at code-monkey de)
*
eEetError, eNameError, ePropError,
sym_lossy, sym_level, sym_quality, sym_char, sym_short,
sym_long_long, sym_double;
-static ID id_include, id_serialize, id_push, id_keys,
+static ID id_include, id_to_s, id_keys, id_pack,
id_to_eet_chunks, id_to_eet_name, id_to_eet_properties,
id_tag, id_data;
return INT2FIX (n);
}
-static VALUE
-stream_serialize (VALUE self)
-{
- VALUE ret;
- struct RArray *stream;
- long i;
-
- ret = rb_str_new2 ("");
-
- stream = RARRAY (self);
- if (!stream->len)
- return ret;
-
- for (i = 0; i < stream->len; i++) {
- VALUE str = rb_funcall (stream->ptr[i], id_serialize, 0, NULL);
-
- rb_str_append (ret, str);
- }
-
- return ret;
-}
-
static VALUE
chunk_init (VALUE self, VALUE tag, VALUE data)
{
- unsigned long len;
+ long tag_len, data_len, tmp;
StringValue (tag);
StringValue (data);
- if (rb_funcall (tag, id_include, 1, INT2FIX (0)) == Qtrue) \
+ if (rb_funcall (tag, id_include, 1, INT2FIX (0)) == Qtrue)
rb_raise (rb_eArgError, "tag must not contain binary zeroes");
/* libeet uses a signed 32bit integer to store the
* chunk size, so make sure we don't overflow it
*/
- len = RSTRING (tag)->len + 1 + RSTRING (data)->len;
- if (len < 0 || len >= 2147483647L)
+ tag_len = RSTRING (tag)->len;
+ data_len = RSTRING (data)->len;
+ tmp = tag_len + 1 + data_len;
+
+ if (tmp < tag_len || tmp < data_len || tmp < 1 || tmp >= 2147483647L)
rb_raise (rb_eArgError, "tag or data too long");
rb_ivar_set (self, id_tag, rb_str_dup_frozen (tag));
}
static VALUE
-chunk_serialize (VALUE self)
+chunk_to_s (VALUE self)
{
VALUE tmp, ret;
unsigned int size, buf_len;
struct RString *tag, *data;
tmp = rb_ivar_get (self, id_tag);
- StringValue (tmp);
tag = RSTRING (tmp);
tmp = rb_ivar_get (self, id_data);
- StringValue (tmp);
data = RSTRING (tmp);
buf_len = 9 + tag->len + data->len;
static int
for_each_prop (VALUE tag, VALUE arg, VALUE stream)
{
- VALUE value, type, chunks;
- long len, i;
+ VALUE value, type, tmp;
if (rb_obj_is_kind_of (arg, rb_cArray) == Qfalse)
rb_raise (ePropError, "hash value is not an array");
return ST_CONTINUE;
type = rb_ary_entry (arg, 1);
- chunks = rb_funcall (value, id_to_eet_chunks, 2, tag, type);
+ tmp = rb_funcall (value, id_to_eet_chunks, 2, tag, type);
- len = RARRAY (chunks)->len;
-
- for (i = 0; i < len; i++)
- rb_funcall (stream, id_push, 1, rb_ary_entry (chunks, i));
+ rb_ary_concat (stream, tmp);
return ST_CONTINUE;
}
#endif
args[0] = name;
- args[1] = rb_funcall (stream, id_serialize, 0);
- chunk = rb_class_new_instance (2, args, cChunk);
+ args[1] = rb_ary_to_s (stream);
- stream = rb_class_new_instance (1, &chunk, cStream);
+ rb_ary_clear (stream); /* give the GC a hand... */
+
+ chunk = rb_class_new_instance (2, args, cChunk);
- return rb_funcall (stream, id_serialize, 0);
+ return rb_funcall (chunk, id_to_s, 0);
}
static VALUE
cfmt = "q";
args[0] = tag;
- args[1] = rb_funcall (ary, rb_intern ("pack"), 1, rb_str_new2 (cfmt));
+ args[1] = rb_funcall (ary, id_pack, 1, rb_str_new2 (cfmt));
chunk = rb_class_new_instance (2, args, cChunk);
return rb_ary_new3 (1, chunk);
rb_define_method (c, "write_image", c_write_image, -1);
cStream = rb_define_class_under (m, "Stream", rb_cArray);
- rb_define_method (cStream, "serialize", stream_serialize, 0);
cChunk = rb_define_class_under (m, "Chunk", rb_cObject);
rb_define_method (cChunk, "initialize", chunk_init, 2);
- rb_define_method (cChunk, "serialize", chunk_serialize, 0);
+ rb_define_method (cChunk, "to_s", chunk_to_s, 0);
rb_define_attr (cChunk, "tag", 1, 0);
rb_define_attr (cChunk, "data", 1, 0);
ePropError = rb_define_class_under (m, "PropertyError", eEetError);
id_include = rb_intern ("include?");
- id_serialize = rb_intern ("serialize");
- id_push = rb_intern ("push");
+ id_to_s = rb_intern ("to_s");
id_keys = rb_intern ("keys");
+ id_pack = rb_intern ("pack");
id_to_eet_chunks = rb_intern ("to_eet_chunks");
id_to_eet_name = rb_intern ("to_eet_name");
id_to_eet_properties = rb_intern ("to_eet_properties");