asn1c/libasn1print/asn1print.c

1053 lines
26 KiB
C

#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include <asn1_buffer.h>
#include <asn1_namespace.h>
#include <asn1parser.h>
#include <asn1fix_export.h>
#include <asn1fix_crange.h>
#include "asn1print.h"
static abuf all_output_;
typedef enum {
PRINT_STDOUT,
GLOBAL_BUFFER,
} print_method_e;
static print_method_e print_method_;
#define INDENT(fmt, args...) do { \
if(!(flags & APF_NOINDENT)) { \
int tmp_i = level; \
while(tmp_i--) safe_printf(" "); \
} \
safe_printf(fmt, ##args); \
} while(0)
static int asn1print_module(asn1p_t *asn, asn1p_module_t *mod, enum asn1print_flags flags);
static int asn1print_oid(int prior_len, asn1p_oid_t *oid, enum asn1print_flags flags);
static int asn1print_ref(const asn1p_ref_t *ref, enum asn1print_flags flags);
static int asn1print_tag(const asn1p_expr_t *tc, enum asn1print_flags flags);
static int asn1print_params(const asn1p_paramlist_t *pl,enum asn1print_flags flags);
static int asn1print_with_syntax(const asn1p_wsyntx_t *wx, enum asn1print_flags flags);
static int asn1print_constraint(const asn1p_constraint_t *, enum asn1print_flags);
static int asn1print_value(const asn1p_value_t *val, enum asn1print_flags flags);
static int asn1print_expr(asn1p_t *asn, asn1p_module_t *mod, asn1p_expr_t *tc, enum asn1print_flags flags, int level);
static int asn1print_expr_dtd(asn1p_t *asn, asn1p_module_t *mod, asn1p_expr_t *tc, enum asn1print_flags flags, int level);
/* Check printf's error code, to be pedantic. */
static int safe_printf(const char *fmt, ...) {
int ret = 0;
va_list ap;
va_start(ap, fmt);
switch(print_method_) {
case PRINT_STDOUT:
ret = vprintf(fmt, ap);
break;
case GLOBAL_BUFFER:
ret = abuf_vprintf(&all_output_, fmt, ap);
break;
}
assert(ret >= 0);
va_end(ap);
return ret;
}
/* Pedantically check fwrite's return value. */
static size_t safe_fwrite(const void *ptr, size_t size) {
size_t ret;
switch(print_method_) {
case PRINT_STDOUT:
ret = fwrite(ptr, 1, size, stdout);
assert(ret == size);
break;
case GLOBAL_BUFFER:
abuf_add_bytes(&all_output_, ptr, size);
ret = size;
break;
}
return ret;
}
/*
* Print the contents of the parsed ASN tree.
*/
int
asn1print(asn1p_t *asn, enum asn1print_flags flags) {
asn1p_module_t *mod;
int modno = 0;
if(asn == NULL) {
errno = EINVAL;
return -1;
}
if(flags & APF_PRINT_XML_DTD)
safe_printf("<!-- XML DTD generated by asn1c-" VERSION " -->\n\n");
TQ_FOR(mod, &(asn->modules), mod_next) {
if(mod->_tags & MT_STANDARD_MODULE)
return 0; /* Ignore modules imported from skeletons */
if(modno++) safe_printf("\n");
asn1print_module(asn, mod, flags);
}
if(flags & APF_PRINT_XML_DTD) {
/* Values for BOOLEAN */
safe_printf("<!ELEMENT true EMPTY>\n");
safe_printf("<!ELEMENT false EMPTY>\n");
}
return 0;
}
static int
asn1print_module(asn1p_t *asn, asn1p_module_t *mod, enum asn1print_flags flags) {
asn1p_expr_t *tc;
if(flags & APF_PRINT_XML_DTD)
safe_printf("<!-- ASN.1 module\n");
safe_printf("%s ", mod->ModuleName);
if(mod->module_oid) {
asn1print_oid(strlen(mod->ModuleName), mod->module_oid, flags);
safe_printf("\n");
}
if(flags & APF_PRINT_XML_DTD) {
if(mod->source_file_name
&& strcmp(mod->source_file_name, "-"))
safe_printf("found in %s", mod->source_file_name);
safe_printf(" -->\n\n");
TQ_FOR(tc, &(mod->members), next) {
asn1print_expr_dtd(asn, mod, tc, flags, 0);
}
return 0;
}
safe_printf("DEFINITIONS");
if(mod->module_flags & MSF_TAG_INSTRUCTIONS)
safe_printf(" TAG INSTRUCTIONS");
if(mod->module_flags & MSF_XER_INSTRUCTIONS)
safe_printf(" XER INSTRUCTIONS");
if(mod->module_flags & MSF_EXPLICIT_TAGS)
safe_printf(" EXPLICIT TAGS");
if(mod->module_flags & MSF_IMPLICIT_TAGS)
safe_printf(" IMPLICIT TAGS");
if(mod->module_flags & MSF_AUTOMATIC_TAGS)
safe_printf(" AUTOMATIC TAGS");
if(mod->module_flags & MSF_EXTENSIBILITY_IMPLIED)
safe_printf(" EXTENSIBILITY IMPLIED");
safe_printf(" ::=\n");
safe_printf("BEGIN\n\n");
TQ_FOR(tc, &(mod->members), next) {
asn1print_expr(asn, mod, tc, flags, 0);
if(flags & APF_PRINT_CONSTRAINTS)
safe_printf("\n");
else
safe_printf("\n\n");
}
safe_printf("END\n");
return 0;
}
static int
asn1print_oid(int prior_len, asn1p_oid_t *oid, enum asn1print_flags flags) {
size_t accum = prior_len;
int ac;
(void)flags; /* Unused argument */
safe_printf("{");
for(ac = 0; ac < oid->arcs_count; ac++) {
const char *arcname = oid->arcs[ac].name;
if(accum + strlen(arcname ? arcname : "") > 72) {
safe_printf("\n\t");
accum = 8;
} else {
accum += safe_printf(" ");
}
if(arcname) {
accum += safe_printf("%s", arcname);
if(oid->arcs[ac].number >= 0) {
accum += safe_printf("(%s)",
asn1p_itoa(oid->arcs[ac].number));
}
} else {
accum += safe_printf("%s", asn1p_itoa(oid->arcs[ac].number));
}
}
safe_printf(" }");
return 0;
}
static int
asn1print_ref(const asn1p_ref_t *ref, enum asn1print_flags flags) {
(void)flags; /* Unused argument */
for(size_t cc = 0; cc < ref->comp_count; cc++) {
if(cc) safe_printf(".");
safe_printf("%s", ref->components[cc].name);
}
return 0;
}
static int
asn1print_tag(const asn1p_expr_t *tc, enum asn1print_flags flags) {
const struct asn1p_type_tag_s *tag = &tc->tag;
(void)flags; /* Unused argument */
safe_printf("%s", asn1p_tag2string(tag, 0));
return 0;
}
static int
asn1print_value(const asn1p_value_t *val, enum asn1print_flags flags) {
if(val == NULL)
return 0;
switch(val->type) {
case ATV_NOVALUE:
break;
case ATV_NULL:
safe_printf("NULL");
return 0;
case ATV_REAL:
safe_printf("%f", val->value.v_double);
return 0;
case ATV_TYPE:
asn1print_expr(val->value.v_type->module->asn1p,
val->value.v_type->module,
val->value.v_type, flags, 0);
return 0;
case ATV_INTEGER:
safe_printf("%s", asn1p_itoa(val->value.v_integer));
return 0;
case ATV_MIN: safe_printf("MIN"); return 0;
case ATV_MAX: safe_printf("MAX"); return 0;
case ATV_FALSE: safe_printf("FALSE"); return 0;
case ATV_TRUE: safe_printf("TRUE"); return 0;
case ATV_TUPLE:
safe_printf("{%d, %d}",
(int)(val->value.v_integer >> 4),
(int)(val->value.v_integer & 0x0f));
return 0;
case ATV_QUADRUPLE:
safe_printf("{%d, %d, %d, %d}",
(int)((val->value.v_integer >> 24) & 0xff),
(int)((val->value.v_integer >> 16) & 0xff),
(int)((val->value.v_integer >> 8) & 0xff),
(int)((val->value.v_integer >> 0) & 0xff)
);
return 0;
case ATV_STRING:
{
char *p = (char *)val->value.string.buf;
safe_printf("\"");
if(strchr(p, '"')) {
/* Mask quotes */
for(; *p; p++) {
if(*p == '"')
safe_printf("%c", *p);
safe_printf("%c", *p);
}
} else {
safe_printf("%s", p);
}
safe_printf("\"");
}
return 0;
case ATV_UNPARSED:
safe_printf("%s", (char *)val->value.string.buf);
return 0;
case ATV_BITVECTOR:
{
uint8_t *bitvector;
int bits;
int i;
bitvector = val->value.binary_vector.bits;
bits = val->value.binary_vector.size_in_bits;
safe_printf("'");
if(bits%8) {
for(i = 0; i < bits; i++) {
uint8_t uc;
uc = bitvector[i>>3];
safe_printf("%c", ((uc >> (7-(i%8)))&1)?'1':'0');
}
safe_printf("'B");
} else {
char hextable[16] = "0123456789ABCDEF";
for(i = 0; i < (bits>>3); i++) {
safe_printf("%c", hextable[bitvector[i] >> 4]);
safe_printf("%c", hextable[bitvector[i] & 0x0f]);
}
safe_printf("'H");
}
return 0;
}
case ATV_REFERENCED:
return asn1print_ref(val->value.reference, flags);
case ATV_VALUESET:
return asn1print_constraint(val->value.constraint, flags);
case ATV_CHOICE_IDENTIFIER:
safe_printf("%s: ", val->value.choice_identifier.identifier);
return asn1print_value(val->value.choice_identifier.value, flags);
}
assert(val->type || !"Unknown");
return 0;
}
const char *
asn1p_constraint_string(const asn1p_constraint_t *ct) {
size_t old_len = all_output_.length;
print_method_e old_method = print_method_;
print_method_ = GLOBAL_BUFFER;
asn1print_constraint(ct, APF_NOINDENT);
print_method_ = old_method;
return &all_output_.buffer[old_len];
}
static int
asn1print_constraint(const asn1p_constraint_t *ct, enum asn1print_flags flags) {
int symno = 0;
int perhaps_subconstraints = 0;
if(ct == 0) return 0;
switch(ct->type) {
case ACT_EL_TYPE:
asn1print_value(ct->containedSubtype, flags);
perhaps_subconstraints = 1;
break;
case ACT_EL_VALUE:
asn1print_value(ct->value, flags);
perhaps_subconstraints = 1;
break;
case ACT_EL_RANGE:
case ACT_EL_LLRANGE:
case ACT_EL_RLRANGE:
case ACT_EL_ULRANGE:
asn1print_value(ct->range_start, flags);
switch(ct->type) {
case ACT_EL_RANGE: safe_printf(".."); break;
case ACT_EL_LLRANGE: safe_printf("<.."); break;
case ACT_EL_RLRANGE: safe_printf("..<"); break;
case ACT_EL_ULRANGE: safe_printf("<..<"); break;
default: safe_printf("?..?"); break;
}
asn1print_value(ct->range_stop, flags);
break;
case ACT_EL_EXT:
safe_printf("...");
break;
case ACT_CT_SIZE:
case ACT_CT_FROM:
switch(ct->type) {
case ACT_CT_SIZE: safe_printf("SIZE"); break;
case ACT_CT_FROM: safe_printf("FROM"); break;
default: safe_printf("??? "); break;
}
assert(ct->el_count != 0);
assert(ct->el_count == 1);
asn1print_constraint(ct->elements[0], flags);
break;
case ACT_CT_WCOMP:
assert(ct->el_count != 0);
assert(ct->el_count == 1);
safe_printf("WITH COMPONENT");
perhaps_subconstraints = 1;
break;
case ACT_CT_WCOMPS: {
unsigned int i;
safe_printf("WITH COMPONENTS { ");
for(i = 0; i < ct->el_count; i++) {
asn1p_constraint_t *cel = ct->elements[i];
if(i) safe_printf(", ");
asn1print_constraint(cel, flags);
switch(cel->presence) {
case ACPRES_DEFAULT: break;
case ACPRES_PRESENT: safe_printf(" PRESENT"); break;
case ACPRES_ABSENT: safe_printf(" ABSENT"); break;
case ACPRES_OPTIONAL: safe_printf(" OPTIONAL");break;
}
}
safe_printf(" }");
}
break;
case ACT_CT_CTDBY:
safe_printf("CONSTRAINED BY ");
assert(ct->value->type == ATV_UNPARSED);
safe_fwrite(ct->value->value.string.buf, ct->value->value.string.size);
break;
case ACT_CT_CTNG:
safe_printf("CONTAINING ");
asn1print_expr(ct->value->value.v_type->module->asn1p,
ct->value->value.v_type->module,
ct->value->value.v_type,
flags, 1);
break;
case ACT_CT_PATTERN:
safe_printf("PATTERN ");
asn1print_value(ct->value, flags);
break;
case ACT_CA_SET: symno++; /* Fall through */
case ACT_CA_CRC: symno++; /* Fall through */
case ACT_CA_CSV: symno++; /* Fall through */
case ACT_CA_UNI: symno++; /* Fall through */
case ACT_CA_INT: symno++; /* Fall through */
case ACT_CA_EXC:
{
char *symtable[] = { " EXCEPT ", " ^ ", " | ", ",",
"", "(" };
unsigned int i;
if(ct->type == ACT_CA_SET) safe_printf("(");
for(i = 0; i < ct->el_count; i++) {
if(i) safe_printf("%s", symtable[symno]);
if(ct->type == ACT_CA_CRC) safe_printf("{");
asn1print_constraint(ct->elements[i], flags);
if(ct->type == ACT_CA_CRC) safe_printf("}");
if(ct->type == ACT_CA_SET && i+1 < ct->el_count)
safe_printf(") ");
}
if(ct->type == ACT_CA_SET) safe_printf(")");
}
break;
case ACT_CA_AEX:
assert(ct->el_count == 1);
safe_printf("ALL EXCEPT");
perhaps_subconstraints = 1;
break;
case ACT_INVALID:
assert(ct->type != ACT_INVALID);
break;
}
if(perhaps_subconstraints && ct->el_count) {
safe_printf(" ");
assert(ct->el_count == 1);
asn1print_constraint(ct->elements[0], flags);
}
return 0;
}
static int
asn1print_params(const asn1p_paramlist_t *pl, enum asn1print_flags flags) {
if(pl) {
int i;
safe_printf("{");
for(i = 0; i < pl->params_count; i++) {
if(i) safe_printf(", ");
if(pl->params[i].governor) {
asn1print_ref(pl->params[i].governor, flags);
safe_printf(":");
}
safe_printf("%s", pl->params[i].argument);
}
safe_printf("}");
}
return 0;
}
static int
asn1print_with_syntax(const asn1p_wsyntx_t *wx, enum asn1print_flags flags) {
if(wx) {
const asn1p_wsyntx_chunk_t *wc;
TQ_FOR(wc, &(wx->chunks), next) {
switch(wc->type) {
case WC_LITERAL:
case WC_WHITESPACE:
case WC_FIELD:
safe_printf("%s", wc->content.token);
break;
case WC_OPTIONALGROUP:
safe_printf("[");
asn1print_with_syntax(wc->content.syntax,flags);
safe_printf("]");
break;
}
}
}
return 0;
}
static int
asn1print_crange_value(const asn1cnst_edge_t *edge, int as_char) {
switch(edge->type) {
case ARE_MIN: safe_printf("MIN"); break;
case ARE_MAX: safe_printf("MAX"); break;
case ARE_VALUE:
if(as_char) {
safe_printf("\"%c\"", (unsigned char)edge->value);
} else {
safe_printf("%s", asn1p_itoa(edge->value));
}
}
return 0;
}
static int
asn1print_constraint_explain_type(const char *dbg_name, asn1p_expr_type_e expr_type, asn1p_constraint_t *ct, enum asn1p_constraint_type_e type, enum cpr_flags cpr) {
asn1cnst_range_t *range;
int as_char = (type==ACT_CT_FROM);
int i;
range = asn1constraint_compute_constraint_range(dbg_name, expr_type, ct, type, 0, 0, cpr);
if(!range) return -1;
if(range->incompatible) return 0;
if((cpr & CPR_strict_OER_visibility) && range->not_OER_visible) {
asn1constraint_range_free(range);
return 0;
}
if((cpr & CPR_strict_PER_visibility) && range->not_PER_visible) {
asn1constraint_range_free(range);
return 0;
}
switch(type) {
case ACT_CT_FROM: safe_printf("(FROM("); break;
case ACT_CT_SIZE: safe_printf("(SIZE("); break;
default: safe_printf("("); break;
}
for(i = -1; i < range->el_count; i++) {
asn1cnst_range_t *r;
if(i == -1) {
if(range->el_count) continue;
r = range;
} else {
r = range->elements[i];
}
if(i > 0) {
safe_printf(" | ");
}
asn1print_crange_value(&r->left, as_char);
if(r->left.type != r->right.type
|| r->left.value != r->right.value) {
safe_printf("..");
asn1print_crange_value(&r->right, as_char);
}
}
if(range->extensible)
safe_printf(",...");
safe_printf(type==ACT_EL_RANGE?")":"))");
if(range->empty_constraint)
safe_printf(":Empty!");
asn1constraint_range_free(range);
return 0;
}
static int
asn1print_constraint_explain(const char *dbg_name, asn1p_expr_type_e expr_type,
asn1p_constraint_t *ct, enum cpr_flags cpr) {
asn1print_constraint_explain_type(dbg_name, expr_type, ct, ACT_EL_RANGE, cpr);
safe_printf(" ");
asn1print_constraint_explain_type(dbg_name, expr_type, ct, ACT_CT_SIZE, cpr);
safe_printf(" ");
asn1print_constraint_explain_type(dbg_name, expr_type, ct, ACT_CT_FROM, cpr);
return 0;
}
static int
asn1print_expr(asn1p_t *asn, asn1p_module_t *mod, asn1p_expr_t *tc, enum asn1print_flags flags, int level) {
int SEQ_OF = 0;
int has_space = 0;
#define HAS_SPACE() \
do { \
has_space = 1; \
} while(0)
#define ENSURE_SPACE() \
do { \
if(!has_space) { \
has_space = 1; \
safe_printf(" "); \
} \
} while(0)
#define WANT_SPACE() \
do { \
has_space = 0; \
} while(0)
if(flags & APF_LINE_COMMENTS && !(flags & APF_NOINDENT))
INDENT("-- #line %d\n", tc->_lineno);
/* Reconstruct compiler directive information */
if((tc->marker.flags & EM_INDIRECT)
&& (tc->marker.flags & EM_OMITABLE) != EM_OMITABLE) {
if((flags & APF_NOINDENT))
safe_printf(" --<ASN1C.RepresentAsPointer>-- ");
else
INDENT("--<ASN1C.RepresentAsPointer>--\n");
}
if(tc->Identifier
&& (!(tc->meta_type == AMT_VALUE && tc->expr_type == A1TC_REFERENCE)
|| level == 0)) {
INDENT("%s", tc->Identifier);
WANT_SPACE();
}
if(tc->lhs_params) {
asn1print_params(tc->lhs_params, flags);
}
if(tc->meta_type != AMT_VALUE
&& tc->meta_type != AMT_VALUESET
&& tc->expr_type != A1TC_EXTENSIBLE) {
if(level) {
if(tc->Identifier && !(flags & APF_NOINDENT))
safe_printf("\t");
} else if(tc->Identifier) {
ENSURE_SPACE();
safe_printf("::=");
WANT_SPACE();
}
}
if(tc->tag.tag_class) {
ENSURE_SPACE();
asn1print_tag(tc, flags);
WANT_SPACE();
}
switch(tc->expr_type) {
case A1TC_EXTENSIBLE:
if(tc->value) {
safe_printf("!");
asn1print_value(tc->value, flags);
}
break;
case A1TC_COMPONENTS_OF:
SEQ_OF = 1; /* Equivalent to SET OF for printint purposes */
safe_printf(" COMPONENTS OF");
WANT_SPACE();
break;
case A1TC_REFERENCE:
case A1TC_UNIVERVAL:
break;
case A1TC_CLASSDEF:
safe_printf(" CLASS");
WANT_SPACE();
break;
case A1TC_CLASSFIELD_TFS ... A1TC_CLASSFIELD_OSFS:
/* Nothing to print here */
break;
case ASN_CONSTR_SET_OF:
case ASN_CONSTR_SEQUENCE_OF:
SEQ_OF = 1;
ENSURE_SPACE();
if(tc->expr_type == ASN_CONSTR_SET_OF)
safe_printf("SET");
else
safe_printf("SEQUENCE");
if(tc->constraints) {
safe_printf(" ");
asn1print_constraint(tc->constraints, flags);
}
safe_printf(" OF");
WANT_SPACE();
break;
case A1TC_VALUESET:
break;
default:
{
char *p = ASN_EXPR_TYPE2STR(tc->expr_type);
ENSURE_SPACE();
safe_printf("%s", p?p:"<unknown type!>");
WANT_SPACE();
}
break;
}
/*
* Put the name of the referred type.
*/
if(tc->reference) {
ENSURE_SPACE();
asn1print_ref(tc->reference, flags);
WANT_SPACE();
}
if(tc->meta_type == AMT_VALUESET && level == 0) {
ENSURE_SPACE();
safe_printf("::=");
WANT_SPACE();
}
/*
* Display the descendants (children) of the current type.
*/
if(TQ_FIRST(&(tc->members))
|| (tc->expr_type & ASN_CONSTR_MASK)
|| tc->meta_type == AMT_OBJECT
|| tc->meta_type == AMT_OBJECTCLASS
|| tc->meta_type == AMT_OBJECTFIELD
) {
asn1p_expr_t *se; /* SubExpression */
int put_braces = (!SEQ_OF) /* Don't need 'em, if SET OF... */
&& (tc->meta_type != AMT_OBJECTFIELD);
if(put_braces) {
if(flags & APF_NOINDENT) {
safe_printf("{");
if(!TQ_FIRST(&tc->members))
safe_printf("}");
} else {
safe_printf(" {");
if(TQ_FIRST(&tc->members))
safe_printf("\n");
else
safe_printf(" }");
}
}
TQ_FOR(se, &(tc->members), next) {
/*
* Print the expression as it were a stand-alone type.
*/
asn1print_expr(asn, mod, se, flags, level + 1);
if((se->marker.flags & EM_DEFAULT) == EM_DEFAULT) {
safe_printf(" DEFAULT ");
asn1print_value(se->marker.default_value, flags);
} else if((se->marker.flags & EM_OPTIONAL)
== EM_OPTIONAL) {
safe_printf(" OPTIONAL");
}
if(TQ_NEXT(se, next)) {
safe_printf(",");
if(!(flags & APF_NOINDENT))
INDENT("\n");
}
}
if(put_braces && TQ_FIRST(&tc->members)) {
if(!(flags & APF_NOINDENT))
safe_printf("\n");
INDENT("}");
}
}
if(tc->with_syntax) {
safe_printf(" WITH SYNTAX {");
asn1print_with_syntax(tc->with_syntax, flags);
safe_printf("}\n");
}
/* Right hand specialization */
if(tc->rhs_pspecs) {
asn1p_expr_t *se;
safe_printf("{");
TQ_FOR(se, &(tc->rhs_pspecs->members), next) {
asn1print_expr(asn, mod, se, flags, level + 1);
if(TQ_NEXT(se, next)) safe_printf(", ");
}
safe_printf("}");
}
if(!SEQ_OF && tc->constraints) {
safe_printf(" ");
if(tc->meta_type == AMT_VALUESET)
safe_printf("{");
asn1print_constraint(tc->constraints, flags);
if(tc->meta_type == AMT_VALUESET)
safe_printf("}");
}
if(tc->unique) {
safe_printf(" UNIQUE");
}
if(tc->meta_type == AMT_VALUE
&& tc->expr_type != A1TC_EXTENSIBLE) {
if(tc->expr_type == A1TC_UNIVERVAL) {
if(tc->value) {
safe_printf("(");
asn1print_value(tc->value, flags);
safe_printf(")");
}
} else {
if(level == 0 && tc->Identifier) safe_printf(" ::= ");
asn1print_value(tc->value, flags);
}
}
/*
* The following section exists entirely for debugging.
*/
if(flags & APF_PRINT_CONSTRAINTS
&& tc->expr_type != A1TC_EXTENSIBLE) {
asn1p_expr_t *top_parent;
if(tc->combined_constraints) {
safe_printf("\n-- Combined constraints: ");
asn1print_constraint(tc->combined_constraints, flags);
}
top_parent = WITH_MODULE_NAMESPACE(
tc->module, tc_ns, asn1f_find_terminal_type_ex(asn, tc_ns, tc));
if(top_parent) {
safe_printf("\n-- Practical constraints (%s): ",
top_parent->Identifier);
asn1print_constraint_explain(top_parent->Identifier,
top_parent->expr_type,
tc->combined_constraints, 0);
safe_printf("\n-- OER-visible constraints (%s): ",
top_parent->Identifier);
asn1print_constraint_explain(top_parent->Identifier,
top_parent->expr_type,
tc->combined_constraints, CPR_strict_OER_visibility);
safe_printf("\n-- PER-visible constraints (%s): ",
top_parent->Identifier);
asn1print_constraint_explain(top_parent->Identifier,
top_parent->expr_type,
tc->combined_constraints, CPR_strict_PER_visibility);
}
safe_printf("\n");
}
if(flags & APF_PRINT_CLASS_MATRIX) do {
size_t col, maxidlen;
if(tc->ioc_table == NULL) {
if(tc->expr_type == A1TC_CLASSDEF) {
safe_printf("\n-- Information Object Class table is empty");
}
break;
}
safe_printf("\n-- Information Object Set has %d entr%s:\n",
tc->ioc_table->rows,
tc->ioc_table->rows==1 ? "y" : "ies");
maxidlen = asn1p_ioc_table_max_identifier_length(tc->ioc_table);
for(ssize_t r = -1; r < (ssize_t)tc->ioc_table->rows; r++) {
asn1p_ioc_row_t *row;
row = tc->ioc_table->row[r<0?0:r];
if(r < 0) safe_printf("-- %s", r > 9 ? " " : "");
else
safe_printf("-- [%*d]", (tc->ioc_table->rows > 9) + 1, r + 1);
for(col = 0; col < row->columns; col++) {
struct asn1p_ioc_cell_s *cell;
cell = &row->column[col];
if(r < 0) {
safe_printf("[%*s]", maxidlen,
cell->field->Identifier);
continue;
}
if(!cell->value) {
safe_printf(" %*s ", maxidlen, "<no entry>");
continue;
}
safe_printf(" %*s ", maxidlen,
cell->value->Identifier);
}
safe_printf("\n");
}
if(tc->ioc_table->extensible) {
safe_printf("-- [%*s] ...\n", (tc->ioc_table->rows>9)+1, "");
}
} while(0);
if(flags & APF_PRINT_CLASS_MATRIX
&& tc->lhs_params) do {
int i;
if(tc->specializations.pspecs_count == 0) {
safe_printf("\n-- No specializations found\n");
break;
}
safe_printf("\n-- Specializations list has %d entr%s:\n",
tc->specializations.pspecs_count,
tc->specializations.pspecs_count == 1 ? "y" : "ies");
for(i = 0; i < tc->specializations.pspecs_count; i++) {
asn1p_expr_t *se;
struct asn1p_pspec_s *pspec;
pspec = &tc->specializations.pspec[i];
safe_printf("-- ");
TQ_FOR(se, &(pspec->rhs_pspecs->members), next) {
asn1print_expr(asn, mod, se, flags, level+1);
}
safe_printf("\n");
}
} while(0);
return 0;
}
static int
asn1print_expr_dtd(asn1p_t *asn, asn1p_module_t *mod, asn1p_expr_t *expr, enum asn1print_flags flags, int level) {
asn1p_expr_t *se;
int expr_unordered = 0;
int dont_involve_children = 0;
switch(expr->meta_type) {
case AMT_TYPE:
case AMT_TYPEREF:
break;
default:
if(expr->expr_type == A1TC_UNIVERVAL)
break;
return 0;
}
if(!expr->Identifier) return 0;
if(flags & APF_LINE_COMMENTS)
INDENT("<!-- #line %d -->\n", expr->_lineno);
INDENT("<!ELEMENT %s", expr->Identifier);
if(expr->expr_type == A1TC_REFERENCE) {
se = WITH_MODULE_NAMESPACE(expr->module, expr_ns, asn1f_find_terminal_type_ex(asn, expr_ns, expr));
if(!se) {
safe_printf(" (ANY)");
return 0;
}
expr = se;
dont_involve_children = 1;
}
if(expr->expr_type == ASN_CONSTR_CHOICE
|| expr->expr_type == ASN_CONSTR_SEQUENCE_OF
|| expr->expr_type == ASN_CONSTR_SET_OF
|| expr->expr_type == ASN_CONSTR_SET
|| expr->expr_type == ASN_BASIC_INTEGER
|| expr->expr_type == ASN_BASIC_ENUMERATED) {
expr_unordered = 1;
}
if(TQ_FIRST(&expr->members)) {
int extensible = 0;
if(expr->expr_type == ASN_BASIC_BIT_STRING)
dont_involve_children = 1;
safe_printf(" (");
TQ_FOR(se, &(expr->members), next) {
if(se->expr_type == A1TC_EXTENSIBLE) {
extensible = 1;
continue;
} else if(!se->Identifier
&& se->expr_type == A1TC_REFERENCE) {
asn1print_ref(se->reference, flags);
} else if(se->Identifier) {
safe_printf("%s", se->Identifier);
} else {
safe_printf("ANY");
}
if(expr->expr_type != ASN_CONSTR_SET
&& expr->expr_type != ASN_CONSTR_CHOICE
&& expr->expr_type != ASN_BASIC_INTEGER
&& expr->expr_type != ASN_BASIC_ENUMERATED) {
if(expr_unordered)
safe_printf("*");
else if(se->marker.flags)
safe_printf("?");
else if(expr->expr_type == ASN_BASIC_BIT_STRING)
safe_printf("?");
}
if(TQ_NEXT(se, next)
&& TQ_NEXT(se, next)->expr_type != A1TC_EXTENSIBLE) {
safe_printf(expr_unordered?"|":", ");
}
}
if(extensible) {
safe_printf(expr_unordered?"|":", ");
safe_printf("ANY");
if(expr->expr_type != ASN_CONSTR_SET
&& expr->expr_type != ASN_CONSTR_CHOICE
&& expr->expr_type != ASN_BASIC_INTEGER
&& expr->expr_type != ASN_BASIC_ENUMERATED)
safe_printf("*");
}
safe_printf(")");
if(expr->expr_type == ASN_CONSTR_SET)
safe_printf("*");
} else switch(expr->expr_type) {
case ASN_BASIC_BOOLEAN:
safe_printf(" (true|false)");
break;
case ASN_CONSTR_CHOICE:
case ASN_CONSTR_SET:
case ASN_CONSTR_SET_OF:
case ASN_CONSTR_SEQUENCE:
case ASN_CONSTR_SEQUENCE_OF:
case ASN_BASIC_NULL:
case A1TC_UNIVERVAL:
safe_printf(" EMPTY");
break;
case ASN_TYPE_ANY:
safe_printf(" ANY");
break;
case ASN_BASIC_BIT_STRING:
case ASN_BASIC_OCTET_STRING:
case ASN_BASIC_OBJECT_IDENTIFIER:
case ASN_BASIC_RELATIVE_OID:
case ASN_BASIC_INTEGER:
case ASN_BASIC_UTCTime:
case ASN_BASIC_GeneralizedTime:
case ASN_STRING_NumericString:
case ASN_STRING_PrintableString:
safe_printf(" (#PCDATA)");
break;
case ASN_STRING_VisibleString:
case ASN_STRING_ISO646String:
/* Entity references, but not XML elements may be present */
safe_printf(" (#PCDATA)");
break;
case ASN_BASIC_REAL: /* e.g. <MINUS-INFINITY/> */
case ASN_BASIC_ENUMERATED: /* e.g. <enumIdentifier1/> */
default:
/*
* XML elements are allowed.
* For example, a UTF8String may contain "<bel/>".
*/
safe_printf(" ANY");
}
safe_printf(">\n");
/*
* Display the descendants (children) of the current type.
*/
if(!dont_involve_children) {
TQ_FOR(se, &(expr->members), next) {
if(se->expr_type == A1TC_EXTENSIBLE) continue;
asn1print_expr_dtd(asn, mod, se, flags, level + 1);
}
}
return 0;
}