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Unicode cleanup phase 2: we now reintroduce the ability to enter a

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numeric code page, and also reinstate the direct-to-font zero
translation mode (but now under an actual _name_ rather than blank).
Also add CP437 to the list since at least one expatriate DOS user
wanted it; also select a sensible ISO or KOI codepage based on the
system locale.

[originally from svn r1230]
This commit is contained in:
Simon Tatham
2001-09-05 21:01:04 +00:00
parent 6dacf35120
commit 12e7195c0e
5 changed files with 74 additions and 40 deletions
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81
unicode.c
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@ -233,36 +233,14 @@ static struct cp_list_item cp_list[] = {
{"Win1257 (Baltic)", 1257},
{"Win1258 (Vietnamese)", 1258},
/* All below here are aliases - First the windows ones. */
{"Central European (Win1250)", 1250},
{"Cyrillic (Win1251)", 1251},
{"Western (Win1252)", 1252},
{"Greek (Win1253)", 1253},
{"Turkish (Win1254)", 1254},
{"Hebrew (Win1255)", 1255},
{"Arabic (Win1256)", 1256},
{"Baltic (Win1257)", 1257},
{"Vietnamese (Win1258)", 1258},
{"ROMAN8", 0, 96, roman8},
{"R8", 0, 96, roman8},
/* Note this is Latin ->> */
{"LATIN0", 0, 96, iso_8859_15},
{"L0", 0, 96, iso_8859_15},
{"Win1258 (Vietnamese)", 1258},
{"CP437", 437},
{"CP819", 28591},
{"CP878", 20866},
{"L1", 28591},
{"L2", 28592},
{"L3", 28593},
{"L4", 28594},
{"L5", 28599},
{"LATIN1", 28591},
{"LATIN2", 28592},
{"LATIN3", 28593},
{"LATIN4", 28594},
{"LATIN5", 28599},
{"Use font encoding", -1},
{0, 0}
};
@ -884,6 +862,49 @@ int decode_codepage(char *cp_name)
int codepage = -1;
CPINFO cpinfo;
if (!*cp_name) {
/*
* Here we select a plausible default code page based on
* the locale the user is in. We wish to select an ISO code
* page or appropriate local default _rather_ than go with
* the Win125* series, because it's more important to have
* CSI and friends enabled by default than the ghastly
* Windows extra quote characters, and because it's more
* likely the user is connecting to a remote server that
* does something Unixy or VMSy and hence standards-
* compliant than that they're connecting back to a Windows
* box using horrible nonstandard charsets.
*
* Accordingly, Robert de Bath suggests a method for
* picking a default character set that runs as follows:
* first call GetACP to get the system's ANSI code page
* identifier, and translate as follows:
*
* 1250 -> ISO 8859-2
* 1251 -> KOI8-U
* 1252 -> ISO 8859-1
* 1253 -> ISO 8859-7
* 1254 -> ISO 8859-9
* 1255 -> ISO 8859-8
* 1256 -> ISO 8859-6
* 1257 -> ISO 8859-4
*
* and for anything else, choose direct-to-font.
*/
int cp = GetACP();
switch (cp) {
case 1250: cp_name = "ISO-8859-2"; break;
case 1251: cp_name = "KOI8-U"; break;
case 1252: cp_name = "ISO-8859-1"; break;
case 1253: cp_name = "ISO-8859-7"; break;
case 1254: cp_name = "ISO-8859-9"; break;
case 1255: cp_name = "ISO-8859-8"; break;
case 1256: cp_name = "ISO-8859-6"; break;
case 1257: cp_name = "ISO-8859-4"; break;
/* default: leave it blank, which will select -1, direct->font */
}
}
if (cp_name && *cp_name)
for (cpi = cp_list; cpi->name; cpi++) {
s = cp_name;
@ -947,6 +968,12 @@ char *cp_name(int codepage)
{
struct cp_list_item *cpi, *cpno;
static char buf[32];
if (codepage == -1) {
sprintf(buf, "Use font encoding");
return buf;
}
if (codepage > 0 && codepage < 65536)
sprintf(buf, "CP%03d", codepage);
else