X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=data1%2Fd1_sutrs.c;fp=data1%2Fd1_sutrs.c;h=4bd6b54aa8e5629d1abb384736e4a08e72c45e0c;hb=519fefb91135ad52134b9fc4e82b3874f5525a2b;hp=0000000000000000000000000000000000000000;hpb=e868e46c150fd38e72a1d087ce5306bb7c715847;p=idzebra-moved-to-github.git

diff --git a/data1/d1_sutrs.c b/data1/d1_sutrs.c
new file mode 100644
index 0000000..4bd6b54
--- /dev/null
+++ b/data1/d1_sutrs.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 1995-2002, Index Data.
+ * See the file LICENSE for details.
+ * Sebastian Hammer, Adam Dickmeiss
+ *
+ * $Id: d1_sutrs.c,v 1.1 2002-10-22 12:53:33 adam Exp $
+ *
+ */
+
+#include <data1.h>
+
+#define NTOBUF_INDENT   2
+#define NTOBUF_MARGIN 75
+
+static int wordlen(char *b, int i)
+{
+    int l = 0;
+
+    while (i && !d1_isspace(*b))
+	l++, b++, i--;
+    return l;
+}
+
+static int nodetobuf(data1_node *n, int select, WRBUF b, int indent, int col)
+{
+    data1_node *c;
+    char line[1024];
+
+    for (c = n->child; c; c = c->next)
+    {
+	char *tag;
+
+	if (c->which == DATA1N_tag)
+	{
+	    if (select && !c->u.tag.node_selected)
+		continue;
+	    if (c->u.tag.element && c->u.tag.element->tag)
+		tag = c->u.tag.element->tag->names->name; /* first name */
+	    else
+		tag = c->u.tag.tag; /* local string tag */
+	    if (data1_matchstr(tag, "wellknown")) /* skip wellknown */
+	    {
+		if (col)
+		    wrbuf_putc(b, '\n');
+		sprintf(line, "%*s%s:", indent * NTOBUF_INDENT, "", tag);
+		wrbuf_write(b, line, strlen(line));
+		col = strlen(line);
+	    }
+	    if (nodetobuf(c, select, b, indent+1, col) < 0)
+		return 0;
+	}
+	else if (c->which == DATA1N_data)
+	{
+	    char *p = c->u.data.data;
+	    int l = c->u.data.len;
+	    int first = 0;
+
+	    if ((c->u.data.what == DATA1I_text ||
+	     	c->u.data.what == DATA1I_xmltext) && c->u.data.formatted_text)
+	    {
+		wrbuf_putc(b, '\n');
+		wrbuf_write(b, c->u.data.data, c->u.data.len);
+		sprintf(line, "%*s", indent * NTOBUF_INDENT, "");
+		wrbuf_write(b, line, strlen(line));
+		col = indent * NTOBUF_INDENT;
+	    }
+	    else if (c->u.data.what == DATA1I_text ||
+		     c->u.data.what == DATA1I_xmltext)
+	    {
+		while (l)
+		{
+		    int wlen;
+
+		    while (l && d1_isspace(*p))
+			p++, l--;
+		    if (!l)
+			break;
+		    /* break if we'll cross margin and word is not too long */
+		    if (col + (wlen = wordlen(p, l)) > NTOBUF_MARGIN && wlen <
+			NTOBUF_MARGIN - indent * NTOBUF_INDENT)
+		    {
+			sprintf(line, "\n%*s", indent * NTOBUF_INDENT, "");
+			wrbuf_write(b, line, strlen(line));
+			col = indent * NTOBUF_INDENT;
+			first = 1;
+		    }
+		    if (!first)
+		    {
+			wrbuf_putc(b, ' ');
+			col++;
+		    }
+		    while (l && !d1_isspace(*p))
+		    {
+			if (col > NTOBUF_MARGIN)
+			{
+			    wrbuf_putc(b, '=');
+			    wrbuf_putc(b, '\n');
+			    sprintf(line, "%*s", indent * NTOBUF_INDENT, "");
+			    wrbuf_write(b, line, strlen(line));
+			    col = indent * NTOBUF_INDENT;
+			}
+			wrbuf_putc(b, *p);
+			p++;
+			l--;
+			col++;
+		    }
+		    first = 0;
+		}
+	    }
+	    else if (c->u.data.what == DATA1I_num)
+	    {
+		wrbuf_putc(b, ' ');
+		wrbuf_write(b, c->u.data.data, c->u.data.len);
+	    }
+	}
+    }
+    return 0;
+}
+
+/*
+ * Return area containing SUTRS-formatted data. Ownership of this data
+ * remains in this module, and the buffer is reused on next call. This may
+ * need changing.
+ */
+
+char *data1_nodetobuf (data1_handle dh, data1_node *n, int select, int *len)
+{
+    WRBUF b = data1_get_wrbuf (dh);
+
+    wrbuf_rewind(b);
+    if (nodetobuf(n, select, b, 0, 0))
+	return 0;
+    wrbuf_putc(b, '\n');
+    *len = wrbuf_len(b);
+    return wrbuf_buf(b);
+}