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* transcode.c (rb_econv_asciicompat_encoding): check decoder.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19253 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2008-09-08 15:21:05 +00:00
parent 870a8b3903
commit 4106a7c067
2 changed files with 31 additions and 21 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Tue Sep 9 00:20:10 2008 Tanaka Akira <akr@fsij.org>
* transcode.c (rb_econv_asciicompat_encoding): check decoder.
Tue Sep 9 00:00:47 2008 Tanaka Akira <akr@fsij.org>
* transcode.c (rb_econv_t): last_error.partial_input removed.

48
transcode.c
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@ -1639,24 +1639,15 @@ static int
asciicompat_encoding_i(st_data_t key, st_data_t val, st_data_t arg)
{
struct asciicompat_encoding_t *data = (struct asciicompat_encoding_t *)arg;
st_table *table2 = (st_table *)val;
st_data_t v;
transcoder_entry_t *entry = (transcoder_entry_t *)val;
const rb_transcoder *tr;
if (st_lookup(table2, (st_data_t)data->ascii_incompat_name, &v)) {
transcoder_entry_t *entry = (transcoder_entry_t *)v;
const rb_transcoder *tr;
if (SUPPLEMENTAL_CONVERSION(entry->sname, entry->dname))
return ST_CONTINUE;
tr = load_transcoder_entry(entry);
if (tr && tr->asciicompat_type == asciicompat_encoder) {
/*
* Assumption:
* There is only one transcoder for
* converting to ASCII incompatible encoding.
*/
data->ascii_compat_name = tr->src_encoding;
return ST_STOP;
}
if (SUPPLEMENTAL_CONVERSION(entry->sname, entry->dname))
return ST_CONTINUE;
tr = load_transcoder_entry(entry);
if (tr && tr->asciicompat_type == asciicompat_decoder) {
data->ascii_compat_name = tr->dst_encoding;
return ST_STOP;
}
return ST_CONTINUE;
}
@ -1664,13 +1655,28 @@ asciicompat_encoding_i(st_data_t key, st_data_t val, st_data_t arg)
const char *
rb_econv_asciicompat_encoding(const char *ascii_incompat_name)
{
st_data_t v;
st_table *table2;
struct asciicompat_encoding_t data;
if (!st_lookup(transcoder_table, (st_data_t)ascii_incompat_name, &v))
return NULL;
table2 = (st_table *)v;
/*
* Assumption:
* There are at most one transcoder for
* converting from ASCII incompatible encoding.
*
* For ISO-2022-JP, there is ISO-2022-JP -> stateless-ISO-2022-JP and no others.
*/
if (table2->num_entries != 1)
return NULL;
data.ascii_incompat_name = ascii_incompat_name;
data.ascii_compat_name = NULL;
st_foreach(transcoder_table, asciicompat_encoding_i, (st_data_t)&data);
if (data.ascii_compat_name)
return data.ascii_compat_name;
return NULL;
st_foreach(table2, asciicompat_encoding_i, (st_data_t)&data);
return data.ascii_compat_name;
}
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