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* transcode.c (rb_econv_t): new field: num_allocated.

Browse source 
(rb_econv_alloc): extracted from
  rb_econv_open_by_transcoder_entries.
  (rb_econv_add_transcoder_at): extracted from rb_econv_decorate_at
  and generalized 
  (rb_econv_open_by_transcoder_entries): use rb_econv_alloc and
  rb_econv_add_transcoder_at.
  (rb_econv_add_converter): extracted from rb_econv_decorate_at.
  (rb_econv_decorate_at): use rb_econv_add_converter.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19304 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2008-09-12 12:58:23 +00:00
parent 19438eee8b
commit 89a5c998c7
2 changed files with 91 additions and 57 deletions
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13
ChangeLog
View file

@ -1,3 +1,16 @@
Fri Sep 12 21:55:43 2008 Tanaka Akira <akr@fsij.org>
* transcode.c (rb_econv_t): new field: num_allocated.
(rb_econv_alloc): extracted from
rb_econv_open_by_transcoder_entries.
(rb_econv_add_transcoder_at): extracted from rb_econv_decorate_at
and generalized
(rb_econv_open_by_transcoder_entries): use rb_econv_alloc and
rb_econv_add_transcoder_at.
(rb_econv_add_converter): extracted from rb_econv_decorate_at.
(rb_econv_decorate_at): use rb_econv_add_converter.
Fri Sep 12 21:22:09 2008 Tanaka Akira <akr@fsij.org>
* transcode.c (rb_econv_t): new field: started.

121
transcode.c
View file

@ -109,6 +109,7 @@ struct rb_econv_t {
unsigned char *in_data_end;
unsigned char *in_buf_end;
rb_econv_elem_t *elems;
int num_allocated;
int num_trans;
int num_finished;
struct rb_transcoding *last_tc;
@ -774,17 +775,12 @@ rb_transcoding_close(rb_transcoding *tc)
}
static rb_econv_t *
rb_econv_open_by_transcoder_entries(int n, transcoder_entry_t **entries)
rb_econv_alloc(int n_hint)
{
rb_econv_t *ec;
int i;
for (i = 0; i < n; i++) {
const rb_transcoder *tr;
tr = load_transcoder_entry(entries[i]);
if (!tr)
return NULL;
}
if (n_hint <= 0)
n_hint = 1;
ec = ALLOC(rb_econv_t);
ec->flags = 0;
@ -799,8 +795,9 @@ rb_econv_open_by_transcoder_entries(int n, transcoder_entry_t **entries)
ec->in_data_start = NULL;
ec->in_data_end = NULL;
ec->in_buf_end = NULL;
ec->num_trans = n;
ec->elems = ALLOC_N(rb_econv_elem_t, ec->num_trans);
ec->num_allocated = n_hint;
ec->num_trans = 0;
ec->elems = ALLOC_N(rb_econv_elem_t, ec->num_allocated);
ec->num_finished = 0;
ec->last_tc = NULL;
ec->last_error.result = econv_source_buffer_empty;
@ -812,26 +809,70 @@ rb_econv_open_by_transcoder_entries(int n, transcoder_entry_t **entries)
ec->last_error.readagain_len = 0;
ec->source_encoding = NULL;
ec->destination_encoding = NULL;
for (i = 0; i < ec->num_trans; i++) {
const rb_transcoder *tr = load_transcoder_entry(entries[i]);
ec->elems[i].tc = rb_transcoding_open_by_transcoder(tr, 0);
ec->elems[i].out_buf_start = NULL;
ec->elems[i].out_data_start = NULL;
ec->elems[i].out_data_end = NULL;
ec->elems[i].out_buf_end = NULL;
ec->elems[i].last_result = econv_source_buffer_empty;
}
if (ec->num_trans)
ec->last_tc = ec->elems[ec->num_trans-1].tc;
return ec;
}
for (i = 0; i < ec->num_trans; i++) {
static int
rb_econv_add_transcoder_at(rb_econv_t *ec, const rb_transcoder *tr, int i)
{
int n, j;
int bufsize = 4096;
unsigned char *p;
if (ec->num_trans == ec->num_allocated) {
n = ec->num_allocated * 2;
REALLOC_N(ec->elems, rb_econv_elem_t, n);
ec->num_allocated = n;
}
p = xmalloc(bufsize);
MEMMOVE(ec->elems+i+1, ec->elems+i, rb_econv_elem_t, ec->num_trans-i);
ec->elems[i].tc = rb_transcoding_open_by_transcoder(tr, 0);
ec->elems[i].out_buf_start = p;
ec->elems[i].out_buf_end = p + bufsize;
ec->elems[i].out_data_start = p;
ec->elems[i].out_data_end = p;
ec->elems[i].last_result = econv_source_buffer_empty;
ec->num_trans++;
if (!SUPPLEMENTAL_CONVERSION(tr->src_encoding, tr->dst_encoding))
for (j = ec->num_trans-1; n <= j; j--) {
rb_transcoding *tc = ec->elems[j].tc;
const rb_transcoder *tr2 = tc->transcoder;
if (!SUPPLEMENTAL_CONVERSION(tr2->src_encoding, tr2->dst_encoding)) {
ec->last_tc = tc;
break;
}
}
return 0;
}
static rb_econv_t *
rb_econv_open_by_transcoder_entries(int n, transcoder_entry_t **entries)
{
rb_econv_t *ec;
int i, ret;
for (i = 0; i < n; i++) {
const rb_transcoder *tr;
tr = load_transcoder_entry(entries[i]);
if (!tr)
return NULL;
}
ec = rb_econv_alloc(n);
for (i = 0; i < n; i++) {
const rb_transcoder *tr = load_transcoder_entry(entries[i]);
ret = rb_econv_add_transcoder_at(ec, tr, ec->num_trans);
if (ret == -1) {
rb_econv_close(ec);
return NULL;
}
}
return ec;
@ -904,13 +945,6 @@ rb_econv_open0(const char *sname, const char *dname, int ecflags)
ec->source_encoding_name = sname;
ec->destination_encoding_name = dname;
if (num_trans == 0) {
ec->last_tc = NULL;
}
else {
ec->last_tc = ec->elems[ec->num_trans-1].tc;
}
return ec;
}
@ -1728,18 +1762,15 @@ rb_econv_str_convert(rb_econv_t *ec, VALUE src, int flags)
}
static int
rb_econv_decorate_at(rb_econv_t *ec, const char *decorator_name, int n)
rb_econv_add_converter(rb_econv_t *ec, const char *sname, const char *dname, int n)
{
transcoder_entry_t *entry;
const rb_transcoder *tr;
rb_transcoding *tc;
unsigned char *p;
int bufsize = 4096;
if (ec->started != 0)
return -1;
entry = get_transcoder_entry("", decorator_name);
entry = get_transcoder_entry(sname, dname);
if (!entry)
return -1;
@ -1747,23 +1778,13 @@ rb_econv_decorate_at(rb_econv_t *ec, const char *decorator_name, int n)
if (!entry)
return -1;
tc = rb_transcoding_open_by_transcoder(tr, 0);
return rb_econv_add_transcoder_at(ec, tr, n);
}
REALLOC_N(ec->elems, rb_econv_elem_t, ec->num_trans+1);
MEMMOVE(ec->elems+n+1, ec->elems+n, rb_econv_elem_t, ec->num_trans-n);
ec->num_trans++;
ec->elems[n].tc = tc;
bufsize = 4096;
p = xmalloc(bufsize);
ec->elems[n].out_buf_start = p;
ec->elems[n].out_data_start = p;
ec->elems[n].out_data_end = p;
ec->elems[n].out_buf_end = p + bufsize;
ec->elems[n].last_result = econv_source_buffer_empty;
return 0;
static int
rb_econv_decorate_at(rb_econv_t *ec, const char *decorator_name, int n)
{
return rb_econv_add_converter(ec, "", decorator_name, n);
}
int