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Add support for cp1252 (Western European) codepage.

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In Europe Windows defaults to its own codepage cp1252 (also known as "WinLatin"
or "Windows-1252"). cp1252 adds some characters to ISO-8859-1.

Some mp3 tagging software on Windows uses cp1252 instead of ISO-8859-1. This
violates the ID3 specification, which requires tags to be ISO-8859-1 or
Unicode. However, similar violations are made for other codepages and supported
by Rockbox using the "Default Codepage" setting. Add support for cp1252 to
enable people using such broken tools to override the correct decoding to get
their tags displayed properly.

Change-Id: I9f2ec478afe2503e99ee8e6609416c92b0f453e0
Reviewed-on: http://gerrit.rockbox.org/209
Reviewed-by: Jens Arnold <amiconn@rockbox.org>
Tested-by: Jens Arnold <amiconn@rockbox.org>
This commit is contained in:
Dominik Riebeling 2012-04-06 20:21:29 +02:00 • committed by Jens Arnold
parent 4a6b875eda
commit 2d9c0bab54
7 changed files with 52 additions and 12 deletions
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22
tools/codepages.c
View file

@ -25,8 +25,8 @@
#define MAX_TABLE_SIZE 32768
static const int mini_index[6] = {
0, 1, 3, 6, 7, 8
static const int mini_index[7] = {
0, 1, 3, 6, 7, 8, 9
};
static unsigned short iso_table[MAX_TABLE_SIZE];
@ -140,7 +140,7 @@ unsigned short iso_decode(unsigned char *latin1, int cp, int count)
ucs = iso8859_2_to_uni[*latin1++ - 0xA1];
}
break;
case 0x08: /* Central European (CP1250) */
while (count--) {
/* first convert to unicode */
@ -150,7 +150,17 @@ unsigned short iso_decode(unsigned char *latin1, int cp, int count)
ucs = cp1250_to_uni[*latin1++ - 0x80];
}
break;
case 0x09: /* Western European (CP1252) */
while (count--) {
/* first convert to unicode */
if (*latin1 < 0x80 || *latin1 >= 0xa0)
ucs = *latin1++;
else
ucs = cp1252_to_uni[*latin1++ - 0x80];
}
break;
default:
break;
}
@ -209,7 +219,7 @@ int main(int argc, char **argv)
of = fopen("isomini.cp", "wb");
if (!of) return 1;
for (i=1; i<6; i++) {
for (i=1; i<7; i++) {
for (j=0; j<128; j++) {
k = (unsigned char)j + 128;
@ -223,7 +233,7 @@ int main(int argc, char **argv)
of = fopen("iso.cp", "wb");
if (!of) return 1;
for (i=1; i<9; i++) {
for (i=1; i<10; i++) {
for (j=0; j<128; j++) {
k = (unsigned char)j + 128;