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encoding.c: Support the ISO 8859-4 encoding.

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This commit is contained in:
Reece H. Dunn
2017-03-28 06:32:41 +01:00
parent a93b0f3d64
commit b5589fc5ee
3 changed files with 65 additions and 0 deletions
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src/include/espeak-ng/espeak_ng.h
+1
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@@ -193,6 +193,7 @@ typedef enum
ESPEAKNG_ENCODING_ISO_8859_1,
ESPEAKNG_ENCODING_ISO_8859_2,
ESPEAKNG_ENCODING_ISO_8859_3,
ESPEAKNG_ENCODING_ISO_8859_4,
} espeak_ng_ENCODING;
ESPEAK_NG_API espeak_ng_ENCODING
src/libespeak-ng/encoding.c
+32
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@@ -35,6 +35,7 @@ MNEM_TAB mnem_encoding[] = {
{ "ISO_8859-1", ESPEAKNG_ENCODING_ISO_8859_1 },
{ "ISO_8859-2", ESPEAKNG_ENCODING_ISO_8859_2 },
{ "ISO_8859-3", ESPEAKNG_ENCODING_ISO_8859_3 },
{ "ISO_8859-4", ESPEAKNG_ENCODING_ISO_8859_4 },
{ "ISO646-US", ESPEAKNG_ENCODING_US_ASCII },
{ "ISO-8859-1", ESPEAKNG_ENCODING_ISO_8859_1 },
{ "ISO-8859-1:1987", ESPEAKNG_ENCODING_ISO_8859_1 },
@@ -42,6 +43,8 @@ MNEM_TAB mnem_encoding[] = {
{ "ISO-8859-2:1987", ESPEAKNG_ENCODING_ISO_8859_2 },
{ "ISO-8859-3", ESPEAKNG_ENCODING_ISO_8859_3 },
{ "ISO-8859-3:1988", ESPEAKNG_ENCODING_ISO_8859_3 },
{ "ISO-8859-4", ESPEAKNG_ENCODING_ISO_8859_4 },
{ "ISO-8859-4:1988", ESPEAKNG_ENCODING_ISO_8859_4 },
{ "US-ASCII", ESPEAKNG_ENCODING_US_ASCII },
{ "cp367", ESPEAKNG_ENCODING_US_ASCII },
{ "cp819", ESPEAKNG_ENCODING_ISO_8859_1 },
@@ -49,16 +52,20 @@ MNEM_TAB mnem_encoding[] = {
{ "csISOLatin1", ESPEAKNG_ENCODING_ISO_8859_1 },
{ "csISOLatin2", ESPEAKNG_ENCODING_ISO_8859_2 },
{ "csISOLatin3", ESPEAKNG_ENCODING_ISO_8859_3 },
{ "csISOLatin4", ESPEAKNG_ENCODING_ISO_8859_4 },
{ "iso-ir-6", ESPEAKNG_ENCODING_US_ASCII },
{ "iso-ir-100", ESPEAKNG_ENCODING_ISO_8859_1 },
{ "iso-ir-101", ESPEAKNG_ENCODING_ISO_8859_2 },
{ "iso-ir-109", ESPEAKNG_ENCODING_ISO_8859_3 },
{ "iso-ir-110", ESPEAKNG_ENCODING_ISO_8859_4 },
{ "latin1", ESPEAKNG_ENCODING_ISO_8859_1 },
{ "latin2", ESPEAKNG_ENCODING_ISO_8859_2 },
{ "latin3", ESPEAKNG_ENCODING_ISO_8859_3 },
{ "latin4", ESPEAKNG_ENCODING_ISO_8859_4 },
{ "l1", ESPEAKNG_ENCODING_ISO_8859_1 },
{ "l2", ESPEAKNG_ENCODING_ISO_8859_2 },
{ "l3", ESPEAKNG_ENCODING_ISO_8859_3 },
{ "l4", ESPEAKNG_ENCODING_ISO_8859_4 },
{ "us", ESPEAKNG_ENCODING_US_ASCII },
{ NULL, ESPEAKNG_ENCODING_UNKNOWN }
};
@@ -124,6 +131,27 @@ static const uint32_t ISO_8859_3[0x80] = {
0x011d, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x016d, 0x015d, 0x02d9, // f8
};
// Reference: http://www.iana.org/go/rfc1345
// Reference: http://www.unicode.org/Public/MAPPINGS/ISO8859/8859-4.TXT
static const uint32_t ISO_8859_4[0x80] = {
0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, // 80
0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f, // 88
0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, // 90
0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f, // 98
0x00a0, 0x0104, 0x0138, 0x0156, 0x00a4, 0x0128, 0x013b, 0x00a7, // a0
0x00a8, 0x0160, 0x0112, 0x0122, 0x0166, 0x00ad, 0x017d, 0x00af, // a8
0x00b0, 0x0105, 0x02db, 0x0157, 0x00b4, 0x0129, 0x013c, 0x02c7, // b0
0x00b8, 0x0161, 0x0113, 0x0123, 0x0167, 0x014a, 0x017e, 0x014b, // b8
0x0100, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x012e, // c0
0x010c, 0x00c9, 0x0118, 0x00cb, 0x0116, 0x00cd, 0x00ce, 0x012a, // c8
0x0110, 0x0145, 0x014c, 0x0136, 0x00d4, 0x00d5, 0x00d6, 0x00d7, // d0
0x00d8, 0x0172, 0x00da, 0x00db, 0x00dc, 0x0168, 0x016a, 0x00df, // d8
0x0101, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x012f, // e0
0x010d, 0x00e9, 0x0119, 0x00eb, 0x0117, 0x00ed, 0x00ee, 0x012b, // e8
0x0111, 0x0146, 0x014d, 0x0137, 0x00f4, 0x00f5, 0x00f6, 0x00f7, // f0
0x00f8, 0x0173, 0x00fa, 0x00fb, 0x00fc, 0x0169, 0x016b, 0x02d9, // f8
};
static uint32_t
text_decoder_getc_us_ascii(espeak_ng_TEXT_DECODER *decoder)
{
@@ -187,6 +215,10 @@ initialize_encoding(espeak_ng_TEXT_DECODER *decoder,
decoder->get = text_decoder_getc_codepage;
decoder->codepage = ISO_8859_3;
break;
case ESPEAKNG_ENCODING_ISO_8859_4:
decoder->get = text_decoder_getc_codepage;
decoder->codepage = ISO_8859_4;
break;
default:
return 0;
}
tests/encoding.c
+32
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@@ -186,6 +186,37 @@ test_iso_8859_3_encoding()
destroy_text_decoder(decoder);
}
void
test_iso_8859_4_encoding()
{
printf("testing ISO-8859-4 encoding\n");
assert(espeak_ng_EncodingFromName("ISO-8859-4:1988") == ESPEAKNG_ENCODING_ISO_8859_4);
assert(espeak_ng_EncodingFromName("ISO-8859-4") == ESPEAKNG_ENCODING_ISO_8859_4);
assert(espeak_ng_EncodingFromName("ISO_8859-4") == ESPEAKNG_ENCODING_ISO_8859_4);
assert(espeak_ng_EncodingFromName("iso-ir-110") == ESPEAKNG_ENCODING_ISO_8859_4);
assert(espeak_ng_EncodingFromName("latin4") == ESPEAKNG_ENCODING_ISO_8859_4);
assert(espeak_ng_EncodingFromName("l4") == ESPEAKNG_ENCODING_ISO_8859_4);
assert(espeak_ng_EncodingFromName("csISOLatin4") == ESPEAKNG_ENCODING_ISO_8859_4);
espeak_ng_TEXT_DECODER *decoder = create_text_decoder();
assert(text_decoder_decode_string(decoder, "aG\x92\xA0\xDE", 5, ESPEAKNG_ENCODING_ISO_8859_4) == ENS_OK);
assert(text_decoder_eof(decoder) == 0);
assert(text_decoder_getc(decoder) == 'a');
assert(text_decoder_eof(decoder) == 0);
assert(text_decoder_getc(decoder) == 'G');
assert(text_decoder_eof(decoder) == 0);
assert(text_decoder_getc(decoder) == 0x92);
assert(text_decoder_eof(decoder) == 0);
assert(text_decoder_getc(decoder) == 0xA0);
assert(text_decoder_eof(decoder) == 0);
assert(text_decoder_getc(decoder) == 0x016A);
assert(text_decoder_eof(decoder) == 1);
destroy_text_decoder(decoder);
}
int
main(int argc, char **argv)
{
@@ -195,6 +226,7 @@ main(int argc, char **argv)
test_iso_8859_1_encoding();
test_iso_8859_2_encoding();
test_iso_8859_3_encoding();
test_iso_8859_4_encoding();
printf("done\n");
return EXIT_SUCCESS;