X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=odr%2Fodr_cons.c;h=b02842bbee95922545e50faf91078298e495a9bc;hp=1922aa04ea1f2a3e510084362e7a8f5ec1421b0f;hb=4d531a1a9131d69c3b6c27fbac42837e22cff61c;hpb=aa82967af8f06004b567ad1ed40c67b056c44e7b diff --git a/odr/odr_cons.c b/odr/odr_cons.c index 1922aa0..b02842b 100644 --- a/odr/odr_cons.c +++ b/odr/odr_cons.c @@ -1,54 +1,34 @@ /* - * Copyright (C) 1994, Index Data I/S - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss + * Copyright (c) 1995-2003, Index Data + * See the file LICENSE for details. * - * $Log: odr_cons.c,v $ - * Revision 1.10 1995-04-18 08:15:21 quinn - * Added dynamic memory allocation on encoding (whew). Code is now somewhat - * neater. We'll make the same change for decoding one day. - * - * Revision 1.9 1995/03/28 09:15:49 quinn - * Fixed bug in the printing mode - * - * Revision 1.8 1995/03/15 11:18:04 quinn - * Fixed serious bug in odr_cons - * - * Revision 1.7 1995/03/10 11:44:41 quinn - * Fixed serious stack-bug in odr_cons_begin - * - * Revision 1.6 1995/03/08 12:12:23 quinn - * Added better error checking. - * - * Revision 1.5 1995/02/10 18:57:25 quinn - * More in the way of error-checking. - * - * Revision 1.4 1995/02/10 15:55:29 quinn - * Bug fixes, mostly. - * - * Revision 1.3 1995/02/09 15:51:48 quinn - * Works better now. - * - * Revision 1.2 1995/02/07 17:52:59 quinn - * A damn mess, but now things work, I think. - * - * Revision 1.1 1995/02/02 16:21:53 quinn - * First kick. + * $Id: odr_cons.c,v 1.24 2003-01-06 08:20:27 adam Exp $ * */ +#if HAVE_CONFIG_H +#include +#endif -#include +#include "odr-priv.h" -int odr_constructed_begin(ODR o, void *p, int class, int tag) +void odr_setlenlen(ODR o, int len) +{ + o->lenlen = len; +} + +int odr_constructed_begin(ODR o, void *p, int zclass, int tag, + const char *name) { int res; int cons = 1; + int lenlen = o->lenlen; if (o->error) return 0; + o->lenlen = 1; /* reset lenlen */ if (o->t_class < 0) { - o->t_class = class; + o->t_class = zclass; o->t_tag = tag; } if ((res = ber_tag(o, p, o->t_class, o->t_tag, &cons, 1)) < 0) @@ -56,34 +36,45 @@ int odr_constructed_begin(ODR o, void *p, int class, int tag) if (!res || !cons) return 0; - if (o->stackp == ODR_MAX_STACK - 1) + if (o->op->stackp == ODR_MAX_STACK - 1) { o->error = OSTACK; return 0; } - o->stack[++(o->stackp)].lenb = o->bp; - o->stack[o->stackp].len_offset = odr_tell(o); + o->op->stack[++(o->op->stackp)].lenb = o->bp; + o->op->stack[o->op->stackp].len_offset = odr_tell(o); #ifdef ODR_DEBUG - fprintf(stderr, "[cons_begin(%d)]", o->stackp); + fprintf(stderr, "[cons_begin(%d)]", o->op->stackp); #endif - if (o->direction == ODR_ENCODE || o->direction == ODR_PRINT) + if (o->direction == ODR_ENCODE) { - o->stack[o->stackp].lenlen = 1; - if (odr_putc(o, 0) < 0) /* dummy */ + static unsigned char dummy[sizeof(int)+1]; + + o->op->stack[o->op->stackp].lenlen = lenlen; + + if (odr_write(o, dummy, lenlen) < 0) /* dummy */ return 0; } else if (o->direction == ODR_DECODE) { - if ((res = ber_declen(o->bp, &o->stack[o->stackp].len)) < 0) + if ((res = ber_declen(o->bp, &o->op->stack[o->op->stackp].len)) < 0) return 0; - o->stack[o->stackp].lenlen = res; + o->op->stack[o->op->stackp].lenlen = res; o->bp += res; - o->left -= res; } - else return 0; - - o->stack[o->stackp].base = o->bp; - o->stack[o->stackp].base_offset = odr_tell(o); + else if (o->direction == ODR_PRINT) + { + odr_prname(o, name); + fprintf(o->print, "{\n"); + o->indent++; + } + else + { + o->error = OOTHER; + return 0; + } + o->op->stack[o->op->stackp].base = o->bp; + o->op->stack[o->op->stackp].base_offset = odr_tell(o); return 1; } @@ -91,10 +82,10 @@ int odr_constructed_more(ODR o) { if (o->error) return 0; - if (o->stackp < 0) + if (o->op->stackp < 0) return 0; - if (o->stack[o->stackp].len >= 0) - return o->bp - o->stack[o->stackp].base < o->stack[o->stackp].len; + if (o->op->stack[o->op->stackp].len >= 0) + return o->bp - o->op->stack[o->op->stackp].base < o->op->stack[o->op->stackp].len; else return (!(*o->bp == 0 && *(o->bp + 1) == 0)); } @@ -106,62 +97,69 @@ int odr_constructed_end(ODR o) if (o->error) return 0; - if (o->stackp < 0) + if (o->op->stackp < 0) { o->error = OOTHER; return 0; } switch (o->direction) { - case ODR_DECODE: - if (o->stack[o->stackp].len < 0) - { - if (*o->bp++ == 0 && *(o->bp++) == 0) - { - o->left -= 2; - o->stackp--; + case ODR_DECODE: + if (o->op->stack[o->op->stackp].len < 0) + { + if (*o->bp++ == 0 && *(o->bp++) == 0) + { + o->op->stackp--; return 1; - } - else - { - o->error = OOTHER; - return 0; - } - } - else if (o->bp - o->stack[o->stackp].base != - o->stack[o->stackp].len) - { - o->error = OOTHER; - return 0; - } - o->stackp--; - return 1; - case ODR_ENCODE: - pos = odr_tell(o); - odr_seek(o, ODR_S_SET, o->stack[o->stackp].len_offset); - if ((res = ber_enclen(o, pos - o->stack[o->stackp].base_offset, - o->stack[o->stackp].lenlen, 1)) < 0) - return 0; - odr_seek(o, ODR_S_END, 0); - if (res == 0) /* indefinite encoding */ - { + } + else + { + o->error = OOTHER; + return 0; + } + } + else if (o->bp - o->op->stack[o->op->stackp].base != + o->op->stack[o->op->stackp].len) + { + o->error = OCONLEN; + return 0; + } + o->op->stackp--; + return 1; + case ODR_ENCODE: + pos = odr_tell(o); + odr_seek(o, ODR_S_SET, o->op->stack[o->op->stackp].len_offset); + if ((res = ber_enclen(o, pos - o->op->stack[o->op->stackp].base_offset, + o->op->stack[o->op->stackp].lenlen, 1)) < 0) + { + o->error = OLENOV; + return 0; + } + odr_seek(o, ODR_S_END, 0); + if (res == 0) /* indefinite encoding */ + { #ifdef ODR_DEBUG - fprintf(stderr, "[cons_end(%d): indefinite]", o->stackp); + fprintf(stderr, "[cons_end(%d): indefinite]", o->op->stackp); #endif - if (odr_putc(o, 0) < 0 || odr_putc(o, 0) < 0) - return 0; - } + if (odr_putc(o, 0) < 0 || odr_putc(o, 0) < 0) + return 0; + } #ifdef ODR_DEBUG - else - { - fprintf(stderr, "[cons_end(%d): definite]", o->stackp); - } + else + { + fprintf(stderr, "[cons_end(%d): definite]", o->op->stackp); + } #endif - o->stackp--; - return 1; - case ODR_PRINT: o->stackp--; return 1; - default: - o->error = OOTHER; - return 0; + o->op->stackp--; + return 1; + case ODR_PRINT: + o->op->stackp--; + o->indent--; + odr_prname(o, 0); + fprintf(o->print, "}\n"); + return 1; + default: + o->error = OOTHER; + return 0; } }