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/*
* Unicode routines for use inside the server
*
* Copyright (C) 1999 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <ctype.h>
#include <stdio.h>
#include "unicode.h"
/* dump a Unicode string with proper escaping */
int dump_strW( const WCHAR *str, size_t len, FILE *f, char escape[2] )
{
static const char escapes[32] = ".......abtnvfr.............e....";
char buffer[256];
char *pos = buffer;
int count = 0;
for (; len; str++, len--)
{
if (pos > buffer + sizeof(buffer) - 8)
{
fwrite( buffer, pos - buffer, 1, f );
count += pos - buffer;
pos = buffer;
}
if (*str > 127) /* hex escape */
{
if (len > 1 && str[1] < 128 && isxdigit((char)str[1]))
pos += sprintf( pos, "\\x%04x", *str );
else
pos += sprintf( pos, "\\x%x", *str );
continue;
}
if (*str < 32) /* octal or C escape */
{
if (!*str && len == 1) continue; /* do not output terminating NULL */
if (escapes[*str] != '.')
pos += sprintf( pos, "\\%c", escapes[*str] );
else if (len > 1 && str[1] >= '0' && str[1] <= '7')
pos += sprintf( pos, "\\%03o", *str );
else
pos += sprintf( pos, "\\%o", *str );
continue;
}
if (*str == '\\' || *str == escape[0] || *str == escape[1]) *pos++ = '\\';
*pos++ = *str;
}
fwrite( buffer, pos - buffer, 1, f );
count += pos - buffer;
return count;
}
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