osmocom
/
asn1c
mirror of https://gerrit.osmocom.org/asn1c
14
0
Fork 0
Code Issues Projects Releases Wiki Activity

refactoring

This commit is contained in:
Lev Walkin 2004-10-23 13:27:03 +00:00
parent 0ebe8b3dc2
commit d2de48aace
1 changed files with 40 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

82
skeletons/xer_decoder.c
View File

@ -189,7 +189,6 @@ xer_decode_general(asn_codec_ctx_t *opt_codec_ctx,
asn_dec_rval_t rval;
ssize_t consumed_myself = 0;
pxer_chunk_type_e ch_type; /* XER chunk type */
int xer_state; /* XER low level parsing context */
(void)opt_codec_ctx;
@ -201,8 +200,9 @@ xer_decode_general(asn_codec_ctx_t *opt_codec_ctx,
*/
if(ctx->phase > 1) RETURN(RC_FAIL);
for(xer_state = ctx->step;;) {
ssize_t ch_size; /* Chunk size */
xer_check_tag_e tcv; /* Tag check value */
pxer_chunk_type_e ch_type; /* XER chunk type */
ssize_t ch_size; /* Chunk size */
xer_check_tag_e tcv; /* Tag check value */
/*
* Get the next part of the XML stream.
@ -239,51 +239,49 @@ xer_decode_general(asn_codec_ctx_t *opt_codec_ctx,
assert(ch_type == PXER_TAG && size);
tcv = xer_check_tag(buf_ptr, ch_size, xml_tag);
if(ctx->phase == 0) {
/*
* Phase 0:
* Expecting the opening tag
* for the type being processed.
* Phase 1:
* Waiting for the closing XML tag.
*/
switch(tcv) {
case XCT_BOTH:
if(ctx->phase) break;
/* Finished decoding of an empty element */
XER_GOT_EMPTY();
ADVANCE(ch_size);
ctx->phase = 2; /* Phase out */
RETURN(RC_OK);
case XCT_OPENING:
if(ctx->phase) break;
ADVANCE(ch_size);
ctx->phase = 1; /* Processing body phase */
continue;
case XCT_CLOSING:
if(!ctx->phase) break;
ADVANCE(ch_size);
ctx->phase = 2; /* Phase out */
RETURN(RC_OK);
case XCT_UNEXPECTED:
if(!ctx->phase) break;
/*
* Expecting the opening tag
* for the type being processed.
* Certain tags in the body may be expected.
*/
switch(tcv) {
case XCT_BOTH:
/* Finished decoding of an empty element */
XER_GOT_EMPTY();
if(opt_unexpected_tag_decoder
&& opt_unexpected_tag_decoder(struct_key,
buf_ptr, ch_size) == 0) {
/* Tag's processed fine */
ADVANCE(ch_size);
ctx->phase = 2; /* Phase out */
RETURN(RC_OK);
case XCT_OPENING:
ADVANCE(ch_size);
ctx->phase = 1; /* Processing body phase */
continue;
default:
break; /* Unexpected tag */
}
} else {
/*
* Waiting for the closing XML tag.
*/
switch(tcv) {
case XCT_CLOSING:
ADVANCE(ch_size);
ctx->phase = 2; /* Phase out */
RETURN(RC_OK);
case XCT_UNEXPECTED:
/*
* Certain tags in the body may be expected.
*/
if(opt_unexpected_tag_decoder
&& opt_unexpected_tag_decoder(struct_key,
buf_ptr, ch_size) == 0) {
/* Tag's processed fine */
ADVANCE(ch_size);
continue;
}
/* Fall through */
default:
break;
}
ASN_DEBUG("Unexpected XML tag");
/* Fall through */
default:
break; /* Unexpected tag */
}
ASN_DEBUG("Unexpected XML tag");
break; /* Dark and mysterious things have just happened */
}