/*
- * Copyright (c) 1995-2003, Index Data.
+ * Copyright (C) 1995-2005, Index Data ApS
* See the file LICENSE for details.
*
- * $Id: wrbuf.c,v 1.1 2003-10-27 12:21:36 adam Exp $
+ * $Id: wrbuf.c,v 1.7 2005-01-15 19:47:14 adam Exp $
*/
-/*
- * Growing buffer for writing various stuff.
+/**
+ * \file wrbuf.c
+ * \brief Implements WRBUF (growing buffer)
*/
#if HAVE_CONFIG_H
#include <stdarg.h>
#include <yaz/wrbuf.h>
+#include <yaz/yaz-iconv.h>
WRBUF wrbuf_alloc(void)
{
int wrbuf_xmlputs(WRBUF b, const char *cp)
{
- while (*cp)
+ return wrbuf_xmlputs_n(b, cp, strlen(cp));
+}
+
+int wrbuf_xmlputs_n(WRBUF b, const char *cp, int size)
+{
+ while (--size >= 0)
{
+ /* only TAB,CR,LF of ASCII CTRL are allowed in XML 1.0! */
+ if (*cp >= 0 && *cp <= 31)
+ if (*cp != 9 && *cp != 10 && *cp != 13)
+ {
+ cp++; /* we silently ignore (delete) these.. */
+ continue;
+ }
switch(*cp)
{
case '<':
va_end(ap);
}
+static int wrbuf_iconv_write_x(WRBUF b, yaz_iconv_t cd, const char *buf,
+ int size, int cdata)
+{
+ if (cd)
+ {
+ char outbuf[12];
+ size_t inbytesleft = size;
+ const char *inp = buf;
+ while (inbytesleft)
+ {
+ size_t outbytesleft = sizeof(outbuf);
+ char *outp = outbuf;
+ size_t r = yaz_iconv(cd, (char**) &inp, &inbytesleft,
+ &outp, &outbytesleft);
+ if (r == (size_t) (-1))
+ {
+ int e = yaz_iconv_error(cd);
+ if (e != YAZ_ICONV_E2BIG)
+ break;
+ }
+ if (cdata)
+ wrbuf_xmlputs_n(b, outbuf, outp - outbuf);
+ else
+ wrbuf_write(b, outbuf, outp - outbuf);
+ }
+ }
+ else
+ {
+ if (cdata)
+ wrbuf_xmlputs_n(b, buf, size);
+ else
+ wrbuf_write(b, buf, size);
+ }
+ return wrbuf_len(b);
+}
+
+int wrbuf_iconv_write(WRBUF b, yaz_iconv_t cd, const char *buf, int size)
+{
+ return wrbuf_iconv_write_x(b, cd, buf, size, 0);
+}
+
+int wrbuf_iconv_write_cdata(WRBUF b, yaz_iconv_t cd, const char *buf, int size)
+{
+ return wrbuf_iconv_write_x(b, cd, buf, size, 1);
+}
+