Add XMP metadata to output (Issue #103)

This commit is contained in:
Michael R Sweet
2025-04-13 16:56:30 -04:00
parent ba7371b2e1
commit 81aeef46d2
4 changed files with 169 additions and 3 deletions

View File

@@ -486,6 +486,59 @@ _pdfio_vsnprintf(pdfio_file_t *pdf, // I - PDF file
}
break;
case 'H' : // XML/HTML string
if ((s = va_arg(ap, char *)) == NULL)
s = "(null)";
// Loop through the literal string...
while (*s)
{
// Escape special characters
if (*s == '&')
{
// &
if (bufptr < bufend)
{
_pdfio_strlcpy(bufptr, "&amp;", (size_t)(bufend - bufptr + 1));
bufptr += strlen(bufptr);
}
bytes += 5;
}
else if (*s == '<')
{
// &lt;
if (bufptr < bufend)
{
_pdfio_strlcpy(bufptr, "&lt;", (size_t)(bufend - bufptr + 1));
bufptr += strlen(bufptr);
}
bytes += 4;
}
else if (*s == '>')
{
// &gt;
if (bufptr < bufend)
{
_pdfio_strlcpy(bufptr, "&gt;", (size_t)(bufend - bufptr + 1));
bufptr += strlen(bufptr);
}
bytes += 4;
}
else
{
// Literal character...
if (bufptr < bufend)
*bufptr++ = *s;
bytes ++;
}
s ++;
}
break;
case 'S' : // PDF string
if ((s = va_arg(ap, char *)) == NULL)
s = "(null)";