/*
- * Copyright (C) 1994-1996, Index Data I/S
+ * Copyright (C) 1994-1997, Index Data I/S
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: regxread.c,v $
- * Revision 1.9 1997-09-29 09:02:49 adam
+ * Revision 1.13 1997-12-12 06:33:58 adam
+ * Fixed bug that showed up when multiple filter where used.
+ * Made one routine thread-safe.
+ *
+ * Revision 1.12 1997/11/18 10:03:24 adam
+ * Member num_children removed from data1_node.
+ *
+ * Revision 1.11 1997/11/06 11:41:01 adam
+ * Implemented "begin variant" for the sgml.regx filter.
+ *
+ * Revision 1.10 1997/10/31 12:36:12 adam
+ * Minor change that avoids compiler warning.
+ *
+ * Revision 1.9 1997/09/29 09:02:49 adam
* Fixed small bug (introduced by previous commit).
*
* Revision 1.8 1997/09/17 12:19:22 adam
xfree (p->trans.fastRule);
for (rp = p->trans.rules; rp; rp = rp1)
{
+ rp1 = rp->next;
actionListDel (&rp->info.actionList);
xfree (rp);
}
memcpy (res->u.data.data, ebuf, elen);
res->root = parent->root;
- parent->num_children++;
parent->last_child = res;
if (d1_stack[*d1_level])
d1_stack[*d1_level]->next = res;
execData (spec, d1_stack, d1_level, ebuf, elen, formatted_text);
}
+static void variantBegin (struct lexSpec *spec,
+ data1_node **d1_stack, int *d1_level,
+ const char *class_str, int class_len,
+ const char *type_str, int type_len,
+ const char *value_str, int value_len)
+{
+ struct data1_node *parent = d1_stack[*d1_level -1];
+ char tclass[DATA1_MAX_SYMBOL], ttype[DATA1_MAX_SYMBOL];
+ data1_vartype *tp;
+ int i;
+ data1_node *res;
+
+ if (*d1_level == 0)
+ {
+ logf (LOG_WARN, "in variant begin. No record type defined");
+ return ;
+ }
+ if (class_len >= DATA1_MAX_SYMBOL)
+ class_len = DATA1_MAX_SYMBOL-1;
+ memcpy (tclass, class_str, class_len);
+ tclass[class_len] = '\0';
+
+ if (type_len >= DATA1_MAX_SYMBOL)
+ type_len = DATA1_MAX_SYMBOL-1;
+ memcpy (ttype, type_str, type_len);
+ ttype[type_len] = '\0';
+
+#if REGX_DEBUG
+ logf (LOG_DEBUG, "variant begin %s %s (%d)", tclass, ttype, *d1_level);
+#endif
+
+ if (!(tp =
+ data1_getvartypebyct(spec->dh, parent->root->u.root.absyn->varset,
+ tclass, ttype)))
+ return;
+
+ if (parent->which != DATA1N_variant)
+ {
+ res = data1_mk_node (spec->dh, spec->m);
+ res->parent = parent;
+ res->which = DATA1N_variant;
+ res->u.variant.type = 0;
+ res->u.variant.value = 0;
+ res->root = parent->root;
+
+ parent->last_child = res;
+ if (d1_stack[*d1_level])
+ d1_stack[*d1_level]->next = res;
+ else
+ parent->child = res;
+ d1_stack[*d1_level] = res;
+ d1_stack[++(*d1_level)] = NULL;
+ }
+ for (i = *d1_level-1; d1_stack[i]->which == DATA1N_variant; i--)
+ if (d1_stack[i]->u.variant.type == tp)
+ {
+ *d1_level = i;
+ break;
+ }
+
+#if REGX_DEBUG
+ logf (LOG_DEBUG, "variant node (%d)", *d1_level);
+#endif
+ parent = d1_stack[*d1_level-1];
+ res = data1_mk_node (spec->dh, spec->m);
+ res->parent = parent;
+ res->which = DATA1N_variant;
+ res->root = parent->root;
+ res->u.variant.type = tp;
+
+ if (value_len >= DATA1_LOCALDATA)
+ value_len =DATA1_LOCALDATA-1;
+ memcpy (res->lbuf, value_str, value_len);
+ res->lbuf[value_len] = '\0';
+
+ res->u.variant.value = res->lbuf;
+
+ parent->last_child = res;
+ if (d1_stack[*d1_level])
+ d1_stack[*d1_level]->next = res;
+ else
+ parent->child = res;
+ d1_stack[*d1_level] = res;
+ d1_stack[++(*d1_level)] = NULL;
+}
static void tagBegin (struct lexSpec *spec,
data1_node **d1_stack, int *d1_level,
res = data1_mk_node (spec->dh, spec->m);
res->parent = parent;
res->which = DATA1N_tag;
- res->u.tag.tag = res->lbuf;
res->u.tag.get_bytes = -1;
if (len >= DATA1_LOCALDATA)
len = DATA1_LOCALDATA-1;
-
- memcpy (res->u.tag.tag, tag, len);
- res->u.tag.tag[len] = '\0';
+ memcpy (res->lbuf, tag, len);
+ res->lbuf[len] = '\0';
+ res->u.tag.tag = res->lbuf;
#if REGX_DEBUG
logf (LOG_DEBUG, "tag begin %s (%d)", res->u.tag.tag, *d1_level);
elem = data1_getelementbytagname (spec->dh, d1_stack[0]->u.root.absyn,
e, res->u.tag.tag);
-
res->u.tag.element = elem;
res->u.tag.node_selected = 0;
res->u.tag.make_variantlist = 0;
res->u.tag.no_data_requested = 0;
res->root = parent->root;
- parent->num_children++;
+
parent->last_child = res;
if (d1_stack[*d1_level])
d1_stack[*d1_level]->next = res;
while (*d1_level > 1)
{
(*d1_level)--;
- if (!tag ||
- (strlen(d1_stack[*d1_level]->u.tag.tag) == len &&
- !memcmp (d1_stack[*d1_level]->u.tag.tag, tag, len)))
+ if ((d1_stack[*d1_level]->which == DATA1N_tag) &&
+ (!tag ||
+ (strlen(d1_stack[*d1_level]->u.tag.tag) == (size_t) len &&
+ !memcmp (d1_stack[*d1_level]->u.tag.tag, tag, len))))
break;
}
#if REGX_DEBUG
return 2;
}
-static char *regxStrz (const char *src, int len)
+static char *regxStrz (const char *src, int len, char *str)
{
- static char str[64];
-
if (len > 63)
len = 63;
memcpy (str, src, len);
r = execTok (spec, &s, arg_no, arg_start, arg_end, &cmd_str, &cmd_len);
while (r)
{
- char *p;
+ char *p, ptmp[64];
if (r == 1)
{
&cmd_str, &cmd_len);
continue;
}
- p = regxStrz (cmd_str, cmd_len);
+ p = regxStrz (cmd_str, cmd_len, ptmp);
if (!strcmp (p, "begin"))
{
r = execTok (spec, &s, arg_no, arg_start, arg_end,
&cmd_str, &cmd_len);
if (r < 2)
continue;
- p = regxStrz (cmd_str, cmd_len);
+ p = regxStrz (cmd_str, cmd_len, ptmp);
if (!strcmp (p, "record"))
{
r = execTok (spec, &s, arg_no, arg_start, arg_end,
tagBegin (spec, d1_stack, d1_level, cmd_str, cmd_len);
r = execTok (spec, &s, arg_no, arg_start, arg_end,
&cmd_str, &cmd_len);
- }
+ }
+ else if (!strcmp (p, "variant"))
+ {
+ int class_len;
+ const char *class_str = NULL;
+ int type_len;
+ const char *type_str = NULL;
+ int value_len;
+ const char *value_str = NULL;
+ r = execTok (spec, &s, arg_no, arg_start, arg_end,
+ &cmd_str, &cmd_len);
+ if (r < 2)
+ continue;
+ class_str = cmd_str;
+ class_len = cmd_len;
+ r = execTok (spec, &s, arg_no, arg_start, arg_end,
+ &cmd_str, &cmd_len);
+ if (r < 2)
+ continue;
+ type_str = cmd_str;
+ type_len = cmd_len;
+
+ r = execTok (spec, &s, arg_no, arg_start, arg_end,
+ &cmd_str, &cmd_len);
+ if (r < 2)
+ continue;
+ value_str = cmd_str;
+ value_len = cmd_len;
+
+ variantBegin (spec, d1_stack, d1_level, class_str, class_len,
+ type_str, type_len, value_str, value_len);
+
+
+ r = execTok (spec, &s, arg_no, arg_start, arg_end,
+ &cmd_str, &cmd_len);
+ }
}
else if (!strcmp (p, "end"))
{
&cmd_str, &cmd_len);
if (r > 1)
{
- p = regxStrz (cmd_str, cmd_len);
+ p = regxStrz (cmd_str, cmd_len, ptmp);
if (!strcmp (p, "record"))
{
*d1_level = 0;
logf (LOG_WARN, "missing number after -offset");
continue;
}
- p = regxStrz (cmd_str, cmd_len);
+ p = regxStrz (cmd_str, cmd_len, ptmp);
offset = atoi (p);
r = execTok (spec, &s, arg_no, arg_start, arg_end,
&cmd_str, &cmd_len);
data1_node *grs_read_regx (struct grs_read_info *p)
{
int res;
- data1_node *n;
#if REGX_DEBUG
logf (LOG_DEBUG, "grs_read_regx");
curLexSpec->f_win_size = 500000;
}
curLexSpec->m = p->mem;
- n = lexRoot (curLexSpec, p->offset);
- return n;
+ return lexRoot (curLexSpec, p->offset);
}
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