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encoding.c: Support the ISO 8859-13 encoding.

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This commit is contained in:
Reece H. Dunn
2017-03-28 23:26:33 +01:00
parent 495c0aed20
commit 24faceab57
3 changed files with 55 additions and 1 deletions
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src/include/espeak-ng/espeak_ng.h
+2
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@@ -201,6 +201,8 @@ typedef enum
ESPEAKNG_ENCODING_ISO_8859_9,
ESPEAKNG_ENCODING_ISO_8859_10,
ESPEAKNG_ENCODING_ISO_8859_11,
// ISO-8859-12 is not a valid encoding.
ESPEAKNG_ENCODING_ISO_8859_13,
} espeak_ng_ENCODING;
ESPEAK_NG_API espeak_ng_ENCODING
src/libespeak-ng/encoding.c
+25 -1
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@@ -68,11 +68,13 @@ MNEM_TAB mnem_encoding[] = {
{ "ISO-8859-10", ESPEAKNG_ENCODING_ISO_8859_10 },
{ "ISO-8859-10:1992", ESPEAKNG_ENCODING_ISO_8859_10 },
{ "ISO-8859-11", ESPEAKNG_ENCODING_ISO_8859_11 },
{ "ISO-8859-13", ESPEAKNG_ENCODING_ISO_8859_13 },
{ "TIS-620", ESPEAKNG_ENCODING_ISO_8859_11 },
{ "US-ASCII", ESPEAKNG_ENCODING_US_ASCII },
{ "cp367", ESPEAKNG_ENCODING_US_ASCII },
{ "cp819", ESPEAKNG_ENCODING_ISO_8859_1 },
{ "csASCII", ESPEAKNG_ENCODING_US_ASCII },
{ "csISO885913", ESPEAKNG_ENCODING_ISO_8859_13 },
{ "csISOLatin1", ESPEAKNG_ENCODING_ISO_8859_1 },
{ "csISOLatin2", ESPEAKNG_ENCODING_ISO_8859_2 },
{ "csISOLatin3", ESPEAKNG_ENCODING_ISO_8859_3 },
@@ -344,6 +346,26 @@ static const uint32_t ISO_8859_11[0x80] = {
0x0e58, 0x0e59, 0x0e5a, 0x0e5b, 0xfffd, 0xfffd, 0xfffd, 0xfffd, // f8
};
// Reference: http://www.unicode.org/Public/MAPPINGS/ISO8859/8859-13.TXT
static const uint32_t ISO_8859_13[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, 0x201d, 0x00a2, 0x00a3, 0x00a4, 0x201e, 0x00a6, 0x00a7, // a0
0x00d8, 0x00a9, 0x0156, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00c6, // a8
0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x201c, 0x00b5, 0x00b6, 0x00b7, // b0
0x00f8, 0x00b9, 0x0157, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00e6, // b8
0x0104, 0x012e, 0x0100, 0x0106, 0x00c4, 0x00c5, 0x0118, 0x0112, // c0
0x010c, 0x00c9, 0x0179, 0x0116, 0x0122, 0x0136, 0x012a, 0x013b, // c8
0x0160, 0x0143, 0x0145, 0x00d3, 0x014c, 0x00d5, 0x00d6, 0x00d7, // d0
0x0172, 0x0141, 0x015a, 0x016a, 0x00dc, 0x017b, 0x017d, 0x00df, // d8
0x0105, 0x012f, 0x0101, 0x0107, 0x00e4, 0x00e5, 0x0119, 0x0113, // e0
0x010d, 0x00e9, 0x017a, 0x0117, 0x0123, 0x0137, 0x012b, 0x013c, // e8
0x0161, 0x0144, 0x0146, 0x00f3, 0x014d, 0x00f5, 0x00f6, 0x00f7, // f0
0x0173, 0x0142, 0x015b, 0x016b, 0x00fc, 0x017c, 0x017e, 0x2019, // f8
};
static uint32_t
string_decoder_getc_us_ascii(espeak_ng_TEXT_DECODER *decoder)
{
@@ -386,6 +408,8 @@ static const encoding_t string_decoders[] = {
{ string_decoder_getc_codepage, ISO_8859_9 },
{ string_decoder_getc_codepage, ISO_8859_10 },
{ string_decoder_getc_codepage, ISO_8859_11 },
// ISO-8859-12 is not a valid encoding.
{ string_decoder_getc_codepage, ISO_8859_13 },
};
espeak_ng_TEXT_DECODER *
@@ -413,7 +437,7 @@ text_decoder_decode_string(espeak_ng_TEXT_DECODER *decoder,
int length,
espeak_ng_ENCODING encoding)
{
if (encoding > ESPEAKNG_ENCODING_ISO_8859_11)
if (encoding > ESPEAKNG_ENCODING_ISO_8859_13)
return ENS_UNKNOWN_TEXT_ENCODING;
const encoding_t *enc = string_decoders + encoding;
tests/encoding.c
+28
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@@ -431,6 +431,32 @@ test_iso_8859_11_encoding()
destroy_text_decoder(decoder);
}
void
test_iso_8859_13_encoding()
{
printf("testing ISO-8859-13 encoding\n");
assert(espeak_ng_EncodingFromName("ISO-8859-13") == ESPEAKNG_ENCODING_ISO_8859_13);
assert(espeak_ng_EncodingFromName("csISO885913") == ESPEAKNG_ENCODING_ISO_8859_13);
espeak_ng_TEXT_DECODER *decoder = create_text_decoder();
assert(text_decoder_decode_string(decoder, "aG\x92\xA0\xEE", 5, ESPEAKNG_ENCODING_ISO_8859_13) == 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) == 0x012b);
assert(text_decoder_eof(decoder) == 1);
destroy_text_decoder(decoder);
}
int
main(int argc, char **argv)
{
@@ -450,6 +476,8 @@ main(int argc, char **argv)
test_iso_8859_9_encoding();
test_iso_8859_10_encoding();
test_iso_8859_11_encoding();
// ISO-8859-12 is not a valid encoding.
test_iso_8859_13_encoding();
printf("done\n");