2 * Copyright (c) 1995, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.1 1995-11-01 11:56:09 quinn
8 * Added Retrieval (data management) functions en masse.
19 #define NTOBUF_INDENT 2
20 #define NTOBUF_MARGIN 75
22 static int wordlen(char *b)
26 while (*b && !isspace(*b))
31 static int nodetobuf(data1_node *n, int select, WRBUF b, int indent, int col)
36 for (c = n->child; c; c = c->next)
40 if (c->which == DATA1N_tag)
42 if (select && !c->u.tag.node_selected)
44 if (c->u.tag.element && c->u.tag.element->tag)
45 tag = c->u.tag.element->tag->names->name; /* first name */
47 tag = c->u.tag.tag; /* local string tag */
48 if (data1_matchstr(tag, "wellknown")) /* skip wellknown */
52 sprintf(line, "%*s%s:", indent * NTOBUF_INDENT, "", tag);
53 wrbuf_write(b, line, strlen(line));
56 if (nodetobuf(c, select, b, indent+1, col) < 0)
59 else if (c->which == DATA1N_data)
61 char *p = c->u.data.data;
62 int l = c->u.data.len;
65 if (c->u.data.what == DATA1I_text)
71 while (l && isspace(*p))
75 /* break if we'll cross margin and word is not too long */
76 if (col + (wlen = wordlen(p)) > NTOBUF_MARGIN && wlen <
77 NTOBUF_MARGIN - indent * NTOBUF_INDENT)
79 sprintf(line, "\n%*s", indent * NTOBUF_INDENT, "");
80 wrbuf_write(b, line, strlen(line));
81 col = indent * NTOBUF_INDENT;
89 while (l && !isspace(*p))
91 if (col > NTOBUF_MARGIN)
95 sprintf(line, "%*s", indent * NTOBUF_INDENT, "");
96 wrbuf_write(b, line, strlen(line));
97 col = indent * NTOBUF_INDENT;
107 else if (c->u.data.what == DATA1I_num)
110 wrbuf_write(b, c->u.data.data, c->u.data.len);
118 * Return area containing SUTRS-formatted data. Ownership of this data
119 * remains in this module, and the buffer is reused on next call. This may
123 char *data1_nodetobuf(data1_node *n, int select, int *len)
131 if (nodetobuf(n, select, b, 0, 0))