#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "mbfilter.h"
#include "mbfilter_ascii.h"
static int mbfl_filt_ident_ascii(int c, mbfl_identify_filter *filter);
static const char *mbfl_encoding_ascii_aliases[] = {"ANSI_X3.4-1968", "iso-ir-6", "ANSI_X3.4-1986", "ISO_646.irv:1991", "US-ASCII", "ISO646-US", "us", "IBM367", "IBM-367", "cp367", "csASCII", NULL};
const mbfl_encoding mbfl_encoding_ascii = {
mbfl_no_encoding_ascii,
"ASCII",
"US-ASCII",
(const char *(*)[])&mbfl_encoding_ascii_aliases,
NULL,
MBFL_ENCTYPE_SBCS
};
const struct mbfl_identify_vtbl vtbl_identify_ascii = {
mbfl_no_encoding_ascii,
mbfl_filt_ident_common_ctor,
mbfl_filt_ident_common_dtor,
mbfl_filt_ident_ascii
};
const struct mbfl_convert_vtbl vtbl_ascii_wchar = {
mbfl_no_encoding_ascii,
mbfl_no_encoding_wchar,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_ascii_wchar,
mbfl_filt_conv_common_flush
};
const struct mbfl_convert_vtbl vtbl_wchar_ascii = {
mbfl_no_encoding_wchar,
mbfl_no_encoding_ascii,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_wchar_ascii,
mbfl_filt_conv_common_flush
};
#define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
int mbfl_filt_conv_ascii_wchar(int c, mbfl_convert_filter *filter)
{
return (*filter->output_function)(c, filter->data);
}
int mbfl_filt_conv_wchar_ascii(int c, mbfl_convert_filter *filter)
{
if (c >= 0 && c < 0x80) {
CK((*filter->output_function)(c, filter->data));
} else {
if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
CK(mbfl_filt_conv_illegal_output(c, filter));
}
}
return c;
}
static int mbfl_filt_ident_ascii(int c, mbfl_identify_filter *filter)
{
if (c >= 0x20 && c < 0x80) {
;
} else if (c == 0x0d || c == 0x0a || c == 0x09 || c == 0) {
;
} else {
filter->flag = 1;
}
return c;
}