+++ /dev/null
-/*-
- * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
- * Redistribution and modifications are permitted subject to BSD license.
- */
-#include <asn_internal.h>
-#include <stdio.h>
-#include <errno.h>
-
-/*
- * The XER encoder of any type. May be invoked by the application.
- */
-asn_enc_rval_t
-xer_encode(const asn_TYPE_descriptor_t *td, const void *sptr,
- enum xer_encoder_flags_e xer_flags, asn_app_consume_bytes_f *cb,
- void *app_key) {
- asn_enc_rval_t er = {0, 0, 0};
- asn_enc_rval_t tmper;
- const char *mname;
- size_t mlen;
- int xcan = (xer_flags & XER_F_CANONICAL) ? 1 : 2;
-
- if(!td || !sptr) goto cb_failed;
-
- mname = td->xml_tag;
- mlen = strlen(mname);
-
- ASN__CALLBACK3("<", 1, mname, mlen, ">", 1);
-
- tmper = td->op->xer_encoder(td, sptr, 1, xer_flags, cb, app_key);
- if(tmper.encoded == -1) return tmper;
- er.encoded += tmper.encoded;
-
- ASN__CALLBACK3("</", 2, mname, mlen, ">\n", xcan);
-
- ASN__ENCODED_OK(er);
-cb_failed:
- ASN__ENCODE_FAILED;
-}
-
-/*
- * This is a helper function for xer_fprint, which directs all incoming data
- * into the provided file descriptor.
- */
-static int
-xer__print2fp(const void *buffer, size_t size, void *app_key) {
- FILE *stream = (FILE *)app_key;
-
- if(fwrite(buffer, 1, size, stream) != size)
- return -1;
-
- return 0;
-}
-
-int
-xer_fprint(FILE *stream, const asn_TYPE_descriptor_t *td, const void *sptr) {
- asn_enc_rval_t er = {0,0,0};
-
- if(!stream) stream = stdout;
- if(!td || !sptr)
- return -1;
-
- er = xer_encode(td, sptr, XER_F_BASIC, xer__print2fp, stream);
- if(er.encoded == -1)
- return -1;
-
- return fflush(stream);
-}
-
-struct xer_buffer {
- char *buffer;
- size_t buffer_size;
- size_t allocated_size;
-};
-
-static int
-xer__buffer_append(const void *buffer, size_t size, void *app_key) {
- struct xer_buffer *xb = app_key;
-
- while(xb->buffer_size + size + 1 > xb->allocated_size) {
- size_t new_size = 2 * (xb->allocated_size ? xb->allocated_size : 64);
- char *new_buf = MALLOC(new_size);
- if(!new_buf) return -1;
- if (xb->buffer) {
- memcpy(new_buf, xb->buffer, xb->buffer_size);
- }
- FREEMEM(xb->buffer);
- xb->buffer = new_buf;
- xb->allocated_size = new_size;
- }
-
- memcpy(xb->buffer + xb->buffer_size, buffer, size);
- xb->buffer_size += size;
- xb->buffer[xb->buffer_size] = '\0';
- return 0;
-}
-
-enum xer_equivalence_e
-xer_equivalent(const struct asn_TYPE_descriptor_s *td, const void *struct1,
- const void *struct2, FILE *opt_debug_stream) {
- struct xer_buffer xb1 = {0, 0, 0};
- struct xer_buffer xb2 = {0, 0, 0};
- asn_enc_rval_t e1, e2;
- asn_dec_rval_t rval;
- void *sptr = NULL;
-
- if(!td || !struct1 || !struct2) {
- if(opt_debug_stream) {
- if(!td) fprintf(opt_debug_stream, "Type descriptor missing\n");
- if(!struct1) fprintf(opt_debug_stream, "Structure 1 missing\n");
- if(!struct2) fprintf(opt_debug_stream, "Structure 2 missing\n");
- }
- return XEQ_FAILURE;
- }
-
- e1 = xer_encode(td, struct1, XER_F_BASIC, xer__buffer_append, &xb1);
- if(e1.encoded == -1) {
- if(opt_debug_stream) {
- fprintf(stderr, "XER Encoding of %s failed\n", td->name);
- }
- FREEMEM(xb1.buffer);
- return XEQ_ENCODE1_FAILED;
- }
-
- e2 = xer_encode(td, struct2, XER_F_BASIC, xer__buffer_append, &xb2);
- if(e2.encoded == -1) {
- if(opt_debug_stream) {
- fprintf(stderr, "XER Encoding of %s failed\n", td->name);
- }
- FREEMEM(xb1.buffer);
- FREEMEM(xb2.buffer);
- return XEQ_ENCODE1_FAILED;
- }
-
- if(xb1.buffer_size != xb2.buffer_size
- || memcmp(xb1.buffer, xb2.buffer, xb1.buffer_size) != 0) {
- if(opt_debug_stream) {
- fprintf(opt_debug_stream,
- "Structures XER-encoded into different byte streams:\n=== "
- "Structure 1 ===\n%s\n=== Structure 2 ===\n%s\n",
- xb1.buffer, xb2.buffer);
- }
- FREEMEM(xb1.buffer);
- FREEMEM(xb2.buffer);
- return XEQ_DIFFERENT;
- } else {
- if(opt_debug_stream) {
- fprintf(opt_debug_stream,
- "Both structures encoded into the same XER byte stream "
- "of size %" ASN_PRI_SIZE ":\n%s",
- xb1.buffer_size, xb1.buffer);
- }
- }
-
- rval = xer_decode(NULL, td, (void **)&sptr, xb1.buffer,
- xb1.buffer_size);
- switch(rval.code) {
- case RC_OK:
- break;
- case RC_WMORE:
- if(opt_debug_stream) {
- fprintf(opt_debug_stream,
- "Structure %s XER decode unexpectedly requires "
- "more data:\n%s\n",
- td->name, xb1.buffer);
- }
- /* Fall through */
- case RC_FAIL:
- default:
- if(opt_debug_stream) {
- fprintf(opt_debug_stream,
- "Structure %s XER decoding resulted in failure.\n",
- td->name);
- }
- ASN_STRUCT_FREE(*td, sptr);
- FREEMEM(xb1.buffer);
- FREEMEM(xb2.buffer);
- return XEQ_DECODE_FAILED;
- }
-
- if(rval.consumed != xb1.buffer_size
- && ((rval.consumed > xb1.buffer_size)
- || xer_whitespace_span(xb1.buffer + rval.consumed,
- xb1.buffer_size - rval.consumed)
- != (xb1.buffer_size - rval.consumed))) {
- if(opt_debug_stream) {
- fprintf(opt_debug_stream,
- "Round-trip decode of %s required less bytes (%" ASN_PRI_SIZE ") than "
- "encoded (%" ASN_PRI_SIZE ")\n",
- td->name, rval.consumed, xb1.buffer_size);
- }
- ASN_STRUCT_FREE(*td, sptr);
- FREEMEM(xb1.buffer);
- FREEMEM(xb2.buffer);
- return XEQ_ROUND_TRIP_FAILED;
- }
-
- /*
- * Reuse xb2 to encode newly decoded structure.
- */
- FREEMEM(xb2.buffer);
- memset(&xb2, 0, sizeof(xb2));
-
- e2 = xer_encode(td, sptr, XER_F_BASIC, xer__buffer_append, &xb2);
- if(e2.encoded == -1) {
- if(opt_debug_stream) {
- fprintf(stderr, "XER Encoding of round-trip decode of %s failed\n",
- td->name);
- }
- ASN_STRUCT_FREE(*td, sptr);
- FREEMEM(xb1.buffer);
- FREEMEM(xb2.buffer);
- return XEQ_ROUND_TRIP_FAILED;
- }
-
- ASN_STRUCT_FREE(*td, sptr);
- sptr = 0;
-
- if(xb1.buffer_size != xb2.buffer_size
- || memcmp(xb1.buffer, xb2.buffer, xb1.buffer_size) != 0) {
- if(opt_debug_stream) {
- fprintf(opt_debug_stream,
- "XER Encoding of round-trip decode of %s resulted in "
- "different byte stream:\n"
- "=== Original ===\n%s\n"
- "=== Round-tripped ===\n%s\n",
- xb1.buffer, xb2.buffer, td->name);
- }
- FREEMEM(xb1.buffer);
- FREEMEM(xb2.buffer);
- return XEQ_ROUND_TRIP_FAILED;
- }
-
- FREEMEM(xb1.buffer);
- FREEMEM(xb2.buffer);
- return XEQ_SUCCESS;
-}
-
Code Review / sim / e2-interface.git / blobdiff