rb_encoding* rb_nkf_enc_get(const char *name)
{
#if 0
int idx = rb_enc_find_index(name);
if (idx < 0) {
nkf_encoding *nkf_enc = nkf_enc_find(name);
idx = rb_enc_find_index(nkf_enc_name(nkf_enc_to_base_encoding(nkf_enc)));
if (idx < 0) {
idx = rb_define_dummy_encoding(name);
} else {
rb_encoding *rb_enc = rb_enc_from_index(idx);
idx = rb_enc_replicate(name, rb_enc);
}
}
return rb_enc_from_index(idx);
#else
struct nkf_osx_name_enc_table {
const char* name;
CFStringEncoding enc;
};
static struct nkf_osx_name_enc_table table[] = {
{ "BINARY", kCFStringEncodingNonLossyASCII },
{ "US-ASCII", kCFStringEncodingASCII },
{ "ISO-2022-JP", kCFStringEncodingISO_2022_JP },
{ "ISO-2022-JP-1", kCFStringEncodingISO_2022_JP_1 },
{ "ISO-2022-JP-2", kCFStringEncodingISO_2022_JP_2 },
{ "ISO-2022-JP-3", kCFStringEncodingISO_2022_JP_3 },
{ "EUC-JP", kCFStringEncodingEUC_JP },
{ "Shift_JIS", kCFStringEncodingShiftJIS },
{ "UTF-8", kCFStringEncodingUTF8 },
{ "UTF-16", kCFStringEncodingUTF16 },
{ "UTF-16BE", kCFStringEncodingUTF16BE },
{ "UTF-16LE", kCFStringEncodingUTF16LE },
{ "UTF-32", kCFStringEncodingUTF32 },
{ "UTF-32BE", kCFStringEncodingUTF32BE },
{ "UTF-32LE", kCFStringEncodingUTF32LE },
{ NULL, kCFStringEncodingNonLossyASCII }
};
struct nkf_osx_name_enc_table* ptr = table;
while (ptr->name) {
if (strcmp(name, ptr->name) == 0)
return &(ptr->enc);
ptr++;
}
return &(ptr->enc);
#endif
}
rb_encoding* rb_nkf_enc_get(const char *name)
{
int idx = rb_enc_find_index(name);
if (idx < 0) {
nkf_encoding *nkf_enc = nkf_enc_find(name);
idx = rb_enc_find_index(nkf_enc_name(nkf_enc_to_base_encoding(nkf_enc)));
if (idx < 0) {
idx = rb_define_dummy_encoding(name);
} else {
rb_encoding *rb_enc = rb_enc_from_index(idx);
idx = rb_enc_replicate(name, rb_enc);
}
}
return rb_enc_from_index(idx);
}
static VALUE
rb_nkf_convert(VALUE obj, VALUE opt, VALUE src)
{
reinit();
StringValue(opt);
nkf_split_options(RSTRING_PTR(opt));
if (!output_encoding) rb_raise(rb_eArgError, "no output encoding given");
switch (nkf_enc_to_index(output_encoding)) {
case UTF_8_BOM: output_encoding = nkf_enc_from_index(UTF_8); break;
case UTF_16BE_BOM: output_encoding = nkf_enc_from_index(UTF_16BE); break;
case UTF_16LE_BOM: output_encoding = nkf_enc_from_index(UTF_16LE); break;
case UTF_32BE_BOM: output_encoding = nkf_enc_from_index(UTF_32BE); break;
case UTF_32LE_BOM: output_encoding = nkf_enc_from_index(UTF_32LE); break;
}
output_bom_f = FALSE;
incsize = INCSIZE;
input_ctr = 0;
StringValue(src);
input = (unsigned char *)RSTRING_PTR(src);
i_len = RSTRING_LEN(src);
result = rb_str_new(0, i_len*3 + 10);
output_ctr = 0;
output = (unsigned char *)RSTRING_PTR(result);
o_len = RSTRING_LEN(result);
*output = '\0';
kanji_convert(NULL);
rb_str_set_len(result, output_ctr);
OBJ_INFECT(result, src);
rb_enc_associate(result, rb_nkf_enc_get(nkf_enc_name(output_encoding)));
return result;
}
