2 * Copyright (c) 1995-2002, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
6 * $Id: d1_sutrs.c,v 1.1 2002-10-22 12:53:33 adam Exp $
12 #define NTOBUF_INDENT 2
13 #define NTOBUF_MARGIN 75
15 static int wordlen(char *b, int i)
19 while (i && !d1_isspace(*b))
24 static int nodetobuf(data1_node *n, int select, WRBUF b, int indent, int col)
29 for (c = n->child; c; c = c->next)
33 if (c->which == DATA1N_tag)
35 if (select && !c->u.tag.node_selected)
37 if (c->u.tag.element && c->u.tag.element->tag)
38 tag = c->u.tag.element->tag->names->name; /* first name */
40 tag = c->u.tag.tag; /* local string tag */
41 if (data1_matchstr(tag, "wellknown")) /* skip wellknown */
45 sprintf(line, "%*s%s:", indent * NTOBUF_INDENT, "", tag);
46 wrbuf_write(b, line, strlen(line));
49 if (nodetobuf(c, select, b, indent+1, col) < 0)
52 else if (c->which == DATA1N_data)
54 char *p = c->u.data.data;
55 int l = c->u.data.len;
58 if ((c->u.data.what == DATA1I_text ||
59 c->u.data.what == DATA1I_xmltext) && c->u.data.formatted_text)
62 wrbuf_write(b, c->u.data.data, c->u.data.len);
63 sprintf(line, "%*s", indent * NTOBUF_INDENT, "");
64 wrbuf_write(b, line, strlen(line));
65 col = indent * NTOBUF_INDENT;
67 else if (c->u.data.what == DATA1I_text ||
68 c->u.data.what == DATA1I_xmltext)
74 while (l && d1_isspace(*p))
78 /* break if we'll cross margin and word is not too long */
79 if (col + (wlen = wordlen(p, l)) > NTOBUF_MARGIN && wlen <
80 NTOBUF_MARGIN - indent * NTOBUF_INDENT)
82 sprintf(line, "\n%*s", indent * NTOBUF_INDENT, "");
83 wrbuf_write(b, line, strlen(line));
84 col = indent * NTOBUF_INDENT;
92 while (l && !d1_isspace(*p))
94 if (col > NTOBUF_MARGIN)
98 sprintf(line, "%*s", indent * NTOBUF_INDENT, "");
99 wrbuf_write(b, line, strlen(line));
100 col = indent * NTOBUF_INDENT;
110 else if (c->u.data.what == DATA1I_num)
113 wrbuf_write(b, c->u.data.data, c->u.data.len);
121 * Return area containing SUTRS-formatted data. Ownership of this data
122 * remains in this module, and the buffer is reused on next call. This may
126 char *data1_nodetobuf (data1_handle dh, data1_node *n, int select, int *len)
128 WRBUF b = data1_get_wrbuf (dh);
131 if (nodetobuf(n, select, b, 0, 0))