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* ext/syck/emitter.c (syck_emit_seq, syck_emit_map, syck_emit_item):

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should output complex key mark even if map's key is empty seq/map.
  [ruby-core:7129]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9835 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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ocean 2006-01-16 01:29:58 +00:00
parent 9a720a6c07
commit bfcae60260
3 changed files with 40 additions and 21 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Mon Jan 16 10:26:23 2006 Hirokazu Yamamoto <ocean@m2.ccsnet.ne.jp>
* ext/syck/emitter.c (syck_emit_seq, syck_emit_map, syck_emit_item):
should output complex key mark even if map's key is empty seq/map.
[ruby-core:7129]
Sat Jan 14 05:37:06 2006 Tanaka Akira <akr@m17n.org>
* io.c (READ_DATA_PENDING, READ_DATA_PENDING_COUNT): defined

36
ext/syck/emitter.c
View file

@ -1003,6 +1003,11 @@ void syck_emit_seq( SyckEmitter *e, char *tag, enum seq_style style )
syck_emitter_write( e, "[", 1 );
lvl->status = syck_lvl_iseq;
} else {
/* complex key */
if ( parent->status == syck_lvl_map && parent->ncount % 2 == 1 ) {
syck_emitter_write( e, "? ", 2 );
parent->status = syck_lvl_mapx;
}
lvl->status = syck_lvl_seq;
}
}
@ -1019,6 +1024,11 @@ void syck_emit_map( SyckEmitter *e, char *tag, enum map_style style )
syck_emitter_write( e, "{", 1 );
lvl->status = syck_lvl_imap;
} else {
/* complex key */
if ( parent->status == syck_lvl_map && parent->ncount % 2 == 1 ) {
syck_emitter_write( e, "? ", 2 );
parent->status = syck_lvl_mapx;
}
lvl->status = syck_lvl_map;
}
}
@ -1036,18 +1046,11 @@ void syck_emit_item( SyckEmitter *e, st_data_t n )
{
SyckLevel *parent = syck_emitter_parent_level( e );
/* seq-in-map shortcut */
if ( parent->status == syck_lvl_map && lvl->ncount == 0 ) {
/* complex key */
if ( parent->ncount % 2 == 1 ) {
syck_emitter_write( e, "?", 1 );
parent->status = syck_lvl_mapx;
/* shortcut -- the lvl->anctag check should be unneccesary but
* there is a nasty shift/reduce in the parser on this point and
* i'm not ready to tickle it. */
} else if ( lvl->anctag == 0 ) {
lvl->spaces = parent->spaces;
}
/* seq-in-map shortcut -- the lvl->anctag check should be unneccesary but
* there is a nasty shift/reduce in the parser on this point and
* i'm not ready to tickle it. */
if ( lvl->anctag == 0 && parent->status == syck_lvl_map && lvl->ncount == 0 ) {
lvl->spaces = parent->spaces;
}
/* seq-in-seq shortcut */
@ -1080,15 +1083,6 @@ void syck_emit_item( SyckEmitter *e, st_data_t n )
{
SyckLevel *parent = syck_emitter_parent_level( e );
/* map-in-map */
if ( parent->status == syck_lvl_map && lvl->ncount == 0 ) {
/* complex key */
if ( parent->ncount % 2 == 1 ) {
syck_emitter_write( e, "?", 1 );
parent->status = syck_lvl_mapx;
}
}
/* map-in-seq shortcut */
if ( lvl->anctag == 0 && parent->status == syck_lvl_seq && lvl->ncount == 0 ) {
int spcs = ( lvl->spaces - parent->spaces ) - 2;

19
test/yaml/test_yaml.rb
View file

@ -1253,6 +1253,25 @@ EOY
assert_cycle(NumericTest.new(3)) # Subclass of Numeric
end
#
# Test empty map/seq in map cycle
#
def test_empty_map_key
#
# empty seq as key
#
o = YAML.load({[]=>""}.to_yaml)
assert_equal(Hash, o.class)
assert_equal([[]], o.keys)
#
# empty map as key
#
o = YAML.load({{}=>""}.to_yaml)
assert_equal(Hash, o.class)
assert_equal([{}], o.keys)
end
end
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