/*
- * Copyright (c) 1995, Index Data.
+ * Copyright (c) 1995-2002, Index Data.
* See the file LICENSE for details.
* Sebastian Hammer, Adam Dickmeiss
*
- * $Log: d1_write.c,v $
- * Revision 1.1 1995-12-13 15:38:43 quinn
- * Added SGML-output filter.
- *
- *
+ * $Id: d1_write.c,v 1.15 2002-07-25 12:52:53 adam Exp $
*/
#include <string.h>
-#include <ctype.h>
-#include <data1.h>
-#include <wrbuf.h>
+#include <yaz/data1.h>
+#include <yaz/wrbuf.h>
#define IDSGML_MARGIN 75
-static int wordlen(char *b)
+#define PRETTY_FORMAT 0
+
+static int wordlen(char *b, int max)
{
int l = 0;
- while (*b && !isspace(*b))
+ while (l < max && !d1_isspace(*b))
l++, b++;
return l;
}
-static int nodetoidsgml(data1_node *n, int select, WRBUF b, int col)
+static void indent (WRBUF b, int col)
+{
+ int i;
+ for (i = 0; i<col; i++)
+ wrbuf_putc (b, ' ');
+}
+
+static void wrbuf_write_cdata(WRBUF b, const char *msg, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ {
+ switch (msg[i])
+ {
+ case '"':
+ wrbuf_puts (b, """);
+ break;
+ case '>':
+ wrbuf_puts (b, ">");
+ break;
+ case '<':
+ wrbuf_puts (b, "<");
+ break;
+#if 0
+ case '&':
+ wrbuf_puts (b, "&");
+ break;
+#endif
+ default:
+ wrbuf_putc(b, msg[i]);
+ }
+ }
+}
+
+static void wrbuf_put_cdata(WRBUF b, const char *msg)
+{
+ wrbuf_write_cdata (b, msg, strlen(msg));
+}
+
+static int nodetoidsgml(data1_node *n, int select, WRBUF b, int col,
+ int pretty_format)
{
data1_node *c;
- char line[1024];
for (c = n->child; c; c = c->next)
{
char *tag;
- if (c->which == DATA1N_tag)
+ if (c->which == DATA1N_preprocess)
+ {
+ data1_xattr *p;
+
+ if (pretty_format)
+ indent (b, col);
+ wrbuf_puts (b, "<?");
+ wrbuf_put_cdata (b, c->u.preprocess.target);
+ for (p = c->u.preprocess.attributes; p; p = p->next)
+ {
+ wrbuf_putc (b, ' ');
+ wrbuf_put_cdata (b, p->name);
+ wrbuf_putc (b, '=');
+ wrbuf_putc (b, '"');
+ wrbuf_put_cdata (b, p->value);
+ wrbuf_putc (b, '"');
+ }
+ if (c->child)
+ wrbuf_puts(b, " ");
+ if (nodetoidsgml(c, select, b, (col > 40) ? 40 : col+2,
+ pretty_format) < 0)
+ return -1;
+ wrbuf_puts (b, "?>\n");
+ }
+ else 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 */
+ tag = c->u.tag.tag;
+ if (!data1_matchstr(tag, "wellknown")) /* skip wellknown */
+ {
+ if (nodetoidsgml(c, select, b, col, pretty_format) < 0)
+ return -1;
+ }
else
- tag = c->u.tag.tag; /* local string tag */
- if (data1_matchstr(tag, "wellknown")) /* skip wellknown */
{
- sprintf(line, "<%s>\n", tag);
- wrbuf_write(b, line, strlen(line));
- col = 0;
+ data1_xattr *p;
+
+ if (pretty_format)
+ indent (b, col);
+ wrbuf_puts (b, "<");
+ wrbuf_put_cdata (b, tag);
+ for (p = c->u.tag.attributes; p; p = p->next)
+ {
+ wrbuf_putc (b, ' ');
+ wrbuf_put_cdata (b, p->name);
+ wrbuf_putc (b, '=');
+ wrbuf_putc (b, '"');
+ wrbuf_put_cdata (b, p->value);
+ wrbuf_putc (b, '"');
+ }
+ wrbuf_puts(b, ">");
+ if (pretty_format)
+ wrbuf_puts(b, "\n");
+ if (nodetoidsgml(c, select, b, (col > 40) ? 40 : col+2,
+ pretty_format) < 0)
+ return -1;
+ if (pretty_format)
+ indent (b, col);
+ wrbuf_puts(b, "</");
+ wrbuf_put_cdata(b, tag);
+ wrbuf_puts(b, ">");
+ if (pretty_format)
+ wrbuf_puts (b, "\n");
}
- if (nodetoidsgml(c, select, b, col) < 0)
- return -1;
- wrbuf_write(b, "</>\n", 5);
- col = 0;
}
- else if (c->which == DATA1N_data)
+ else if (c->which == DATA1N_data || c->which == DATA1N_comment)
{
char *p = c->u.data.data;
int l = c->u.data.len;
int first = 1;
+ int lcol = col;
- if (c->u.data.what == DATA1I_text)
+ if (pretty_format && !c->u.data.formatted_text)
+ indent (b, col);
+ if (c->which == DATA1N_comment)
+ wrbuf_puts (b, "<!--");
+ switch (c->u.data.what)
{
- while (l)
- {
- int wlen;
-
- while (l && isspace(*p))
- p++, l--;
- if (!l)
- break;
- /* break if we'll cross margin and word is not too long */
- if (col + (wlen = wordlen(p)) > IDSGML_MARGIN && wlen <
- IDSGML_MARGIN)
- {
- sprintf(line, "\n");
- col = 0;
- wrbuf_write(b, line, strlen(line));
- first = 1;
- }
- if (!first)
- {
- wrbuf_putc(b, ' ');
- col++;
- }
- while (l && !isspace(*p))
- {
-#if 0
- 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;
- }
-#endif
- wrbuf_putc(b, *p);
- p++;
- l--;
- col++;
- }
- first = 0;
- }
- wrbuf_write(b, "\n", 1);
- col = 0;
- }
- else if (c->u.data.what == DATA1I_num)
- {
- wrbuf_putc(b, ' ');
- wrbuf_write(b, c->u.data.data, c->u.data.len);
+ case DATA1I_text:
+ if (!pretty_format || c->u.data.formatted_text)
+ {
+ wrbuf_write_cdata (b, p, l);
+ }
+ else
+ {
+ while (l)
+ {
+ int wlen;
+
+ while (l && d1_isspace(*p))
+ p++, l--;
+ if (!l)
+ break;
+ /* break if we cross margin and word is not too long */
+ if (lcol + (wlen = wordlen(p, l)) > IDSGML_MARGIN &&
+ wlen < IDSGML_MARGIN)
+ {
+ wrbuf_puts (b, "\n");
+ indent (b, col);
+ lcol = col;
+ first = 1;
+ }
+ if (!first)
+ {
+ wrbuf_putc(b, ' ');
+ lcol++;
+ }
+ while (l && !d1_isspace(*p))
+ {
+ wrbuf_putc(b, *p);
+ p++;
+ l--;
+ lcol++;
+ }
+ first = 0;
+ }
+ wrbuf_puts(b, "\n");
+ }
+ break;
+ case DATA1I_num:
+ wrbuf_write_cdata(b, c->u.data.data, c->u.data.len);
+ if (pretty_format)
+ wrbuf_puts(b, "\n");
+ break;
+ case DATA1I_oid:
+ wrbuf_write_cdata(b, c->u.data.data, c->u.data.len);
+ if (pretty_format)
+ wrbuf_puts(b, "\n");
}
+ if (c->which == DATA1N_comment)
+ {
+ wrbuf_puts(b, "-->");
+ if (pretty_format)
+ wrbuf_puts(b, "\n");
+ }
}
}
return 0;
}
-char *data1_nodetoidsgml(data1_node *n, int select, int *len)
+char *data1_nodetoidsgml (data1_handle dh, data1_node *n, int select, int *len)
{
- static WRBUF b = 0;
- char line[1024];
-
- if (!b)
- b = wrbuf_alloc();
- else
- wrbuf_rewind(b);
+ WRBUF b = data1_get_wrbuf (dh);
+
+ wrbuf_rewind(b);
- sprintf(line, "<%s>\n", n->u.root.type);
- wrbuf_write(b, line, strlen(line));
- if (nodetoidsgml(n, select, b, 0))
+ if (nodetoidsgml(n, select, b, 0, 0 /* no pretty format */))
return 0;
- sprintf(line, "</%s>\n", n->u.root.type);
- wrbuf_write(b, line, strlen(line));
*len = wrbuf_len(b);
return wrbuf_buf(b);
}
projects / yaz-moved-to-github.git / blobdiff