2
1
mirror of https://github.com/qpdf/qpdf.git synced 2024-12-22 02:49:00 +00:00

Add WinAnsi and MacRoman encoding

This commit is contained in:
Jay Berkenbilt 2019-01-05 13:13:16 -05:00
parent 3ef1b77304
commit b341d742db
5 changed files with 500 additions and 4 deletions

View File

@ -1,5 +1,8 @@
2019-01-05 Jay Berkenbilt <ejb@ql.org>
* Add methods QUtil::utf8_to_win_ansi and
QUtil::utf8_to_mac_roman.
* Add method QUtil::utf8_to_utf16.
2019-01-04 Jay Berkenbilt <ejb@ql.org>

View File

@ -163,6 +163,12 @@ namespace QUtil
QPDF_DLL
std::string utf8_to_ascii(
std::string const& utf8, char unknown_char = '?');
QPDF_DLL
std::string utf8_to_win_ansi(
std::string const& utf8, char unknown_char = '?');
QPDF_DLL
std::string utf8_to_mac_roman(
std::string const& utf8, char unknown_char = '?');
// If secure random number generation is supported on your
// platform and qpdf was not compiled with insecure random number

View File

@ -893,10 +893,454 @@ QUtil::parse_numrange(char const* range, int max)
return result;
}
enum encoding_e { e_utf16, e_ascii };
enum encoding_e { e_utf16, e_ascii, e_winansi, e_macroman };
static
std::string
static unsigned char
encode_winansi(unsigned long codepoint)
{
// Use this ugly switch statement to avoid a static, which is not
// thread-safe.
unsigned char ch = '\0';
switch (codepoint)
{
case 0x20ac:
ch = 0x80;
break;
case 0x152:
ch = 0x8c;
break;
case 0x160:
ch = 0x8a;
break;
case 0x178:
ch = 0x9f;
break;
case 0x17d:
ch = 0x8e;
break;
case 0x2022:
ch = 0x95;
break;
case 0x2c6:
ch = 0x88;
break;
case 0x2020:
ch = 0x86;
break;
case 0x2021:
ch = 0x87;
break;
case 0x2026:
ch = 0x85;
break;
case 0x2014:
ch = 0x97;
break;
case 0x2013:
ch = 0x96;
break;
case 0x192:
ch = 0x83;
break;
case 0x2039:
ch = 0x8b;
break;
case 0x203a:
ch = 0x9b;
break;
case 0x153:
ch = 0x9c;
break;
case 0x2030:
ch = 0x89;
break;
case 0x201e:
ch = 0x84;
break;
case 0x201c:
ch = 0x93;
break;
case 0x201d:
ch = 0x94;
break;
case 0x2018:
ch = 0x91;
break;
case 0x2019:
ch = 0x92;
break;
case 0x201a:
ch = 0x82;
break;
case 0x161:
ch = 0x9a;
break;
case 0x303:
ch = 0x98;
break;
case 0x2122:
ch = 0x99;
break;
case 0x17e:
ch = 0x9e;
break;
default:
break;
}
return ch;
}
static unsigned char
encode_macroman(unsigned long codepoint)
{
// Use this ugly switch statement to avoid a static, which is not
// thread-safe.
unsigned char ch = '\0';
switch (codepoint)
{
case 0xc6:
ch = 0xae;
break;
case 0xc1:
ch = 0xe7;
break;
case 0xc2:
ch = 0xe5;
break;
case 0xc4:
ch = 0x80;
break;
case 0xc0:
ch = 0xcb;
break;
case 0xc5:
ch = 0x81;
break;
case 0xc3:
ch = 0xcc;
break;
case 0xc7:
ch = 0x82;
break;
case 0xc9:
ch = 0x83;
break;
case 0xca:
ch = 0xe6;
break;
case 0xcb:
ch = 0xe8;
break;
case 0xc8:
ch = 0xe9;
break;
case 0xcd:
ch = 0xea;
break;
case 0xce:
ch = 0xeb;
break;
case 0xcf:
ch = 0xec;
break;
case 0xcc:
ch = 0xed;
break;
case 0xd1:
ch = 0x84;
break;
case 0x152:
ch = 0xce;
break;
case 0xd3:
ch = 0xee;
break;
case 0xd4:
ch = 0xef;
break;
case 0xd6:
ch = 0x85;
break;
case 0xd2:
ch = 0xf1;
break;
case 0xd8:
ch = 0xaf;
break;
case 0xd5:
ch = 0xcd;
break;
case 0xda:
ch = 0xf2;
break;
case 0xdb:
ch = 0xf3;
break;
case 0xdc:
ch = 0x86;
break;
case 0xd9:
ch = 0xf4;
break;
case 0x178:
ch = 0xd9;
break;
case 0xe1:
ch = 0x87;
break;
case 0xe2:
ch = 0x89;
break;
case 0x301:
ch = 0xab;
break;
case 0xe4:
ch = 0x8a;
break;
case 0xe6:
ch = 0xbe;
break;
case 0xe0:
ch = 0x88;
break;
case 0xe5:
ch = 0x8c;
break;
case 0xe3:
ch = 0x8b;
break;
case 0x306:
ch = 0xf9;
break;
case 0x2022:
ch = 0xa5;
break;
case 0x2c7:
ch = 0xff;
break;
case 0xe7:
ch = 0x8d;
break;
case 0x327:
ch = 0xfc;
break;
case 0xa2:
ch = 0xa2;
break;
case 0x2c6:
ch = 0xf6;
break;
case 0xa9:
ch = 0xa9;
break;
case 0xa4:
ch = 0xdb;
break;
case 0x2020:
ch = 0xa0;
break;
case 0x2021:
ch = 0xe0;
break;
case 0xb0:
ch = 0xa1;
break;
case 0x308:
ch = 0xac;
break;
case 0xf7:
ch = 0xd6;
break;
case 0x307:
ch = 0xfa;
break;
case 0x131:
ch = 0xf5;
break;
case 0xe9:
ch = 0x8e;
break;
case 0xea:
ch = 0x90;
break;
case 0xeb:
ch = 0x91;
break;
case 0xe8:
ch = 0x8f;
break;
case 0x2026:
ch = 0xc9;
break;
case 0x2014:
ch = 0xd1;
break;
case 0x2013:
ch = 0xd0;
break;
case 0xa1:
ch = 0xc1;
break;
case 0xfb01:
ch = 0xde;
break;
case 0xfb02:
ch = 0xdf;
break;
case 0x192:
ch = 0xc4;
break;
case 0x2044:
ch = 0xda;
break;
case 0xdf:
ch = 0xa7;
break;
case 0xab:
ch = 0xc7;
break;
case 0xbb:
ch = 0xc8;
break;
case 0x2039:
ch = 0xdc;
break;
case 0x203a:
ch = 0xdd;
break;
case 0x30b:
ch = 0xfd;
break;
case 0xed:
ch = 0x92;
break;
case 0xee:
ch = 0x94;
break;
case 0xef:
ch = 0x95;
break;
case 0xec:
ch = 0x93;
break;
case 0xac:
ch = 0xc2;
break;
case 0x304:
ch = 0xf8;
break;
case 0x3bc:
ch = 0xb5;
break;
case 0xf1:
ch = 0x96;
break;
case 0xf3:
ch = 0x97;
break;
case 0xf4:
ch = 0x99;
break;
case 0xf6:
ch = 0x9a;
break;
case 0x153:
ch = 0xcf;
break;
case 0x328:
ch = 0xfe;
break;
case 0xf2:
ch = 0x98;
break;
case 0x1d43:
ch = 0xbb;
break;
case 0x1d52:
ch = 0xbc;
break;
case 0xf8:
ch = 0xbf;
break;
case 0xf5:
ch = 0x9b;
break;
case 0xb6:
ch = 0xa6;
break;
case 0xb7:
ch = 0xe1;
break;
case 0x2030:
ch = 0xe4;
break;
case 0xb1:
ch = 0xb1;
break;
case 0xbf:
ch = 0xc0;
break;
case 0x201e:
ch = 0xe3;
break;
case 0x201c:
ch = 0xd2;
break;
case 0x201d:
ch = 0xd3;
break;
case 0x2018:
ch = 0xd4;
break;
case 0x2019:
ch = 0xd5;
break;
case 0x201a:
ch = 0xe2;
break;
case 0xae:
ch = 0xa8;
break;
case 0x30a:
ch = 0xfb;
break;
case 0xa7:
ch = 0xa4;
break;
case 0xa3:
ch = 0xa3;
break;
case 0x303:
ch = 0xf7;
break;
case 0x2122:
ch = 0xaa;
break;
case 0xfa:
ch = 0x9c;
break;
case 0xfb:
ch = 0x9e;
break;
case 0xfc:
ch = 0x9f;
break;
case 0xf9:
ch = 0x9d;
break;
case 0xff:
ch = 0xd8;
break;
case 0xa5:
ch = 0xb4;
break;
default:
break;
}
return ch;
}
static std::string
transcode_utf8(std::string const& utf8_val, encoding_e encoding,
char unknown)
{
@ -966,7 +1410,27 @@ transcode_utf8(std::string const& utf8_val, encoding_e encoding,
}
else
{
result.append(1, unknown);
ch = '\0';
if (encoding == e_winansi)
{
if ((codepoint >= 160) && (codepoint < 256))
{
ch = static_cast<unsigned char>(codepoint & 0xff);
}
else
{
ch = encode_winansi(codepoint);
}
}
else if (encoding == e_macroman)
{
ch = encode_macroman(codepoint);
}
if (ch == '\0')
{
ch = static_cast<unsigned char>(unknown);
}
result.append(1, ch);
}
}
}
@ -985,3 +1449,15 @@ QUtil::utf8_to_ascii(std::string const& utf8, char unknown_char)
{
return transcode_utf8(utf8, e_ascii, unknown_char);
}
std::string
QUtil::utf8_to_win_ansi(std::string const& utf8, char unknown_char)
{
return transcode_utf8(utf8, e_winansi, unknown_char);
}
std::string
QUtil::utf8_to_mac_roman(std::string const& utf8, char unknown_char)
{
return transcode_utf8(utf8, e_macroman, unknown_char);
}

View File

@ -51,6 +51,8 @@ HAGOOGAMAGOOGLE: 0
¿Does π have fingers?
?Does ? have fingers?
*Does * have fingers?
<bf>Does * have fingers?
<c0>Does * have fingers?
---- whoami
quack1
quack2

View File

@ -229,6 +229,15 @@ void utf8_to_ascii_test()
<< std::endl
<< QUtil::utf8_to_ascii(input, '*')
<< std::endl;
std::string a = QUtil::utf8_to_win_ansi(input, '*');
std::string b = QUtil::utf8_to_mac_roman(input, '*');
std::cout
<< "<" << QUtil::int_to_string_base(
static_cast<unsigned char>(a.at(0)), 16, 2)
<< ">" << a.substr(1) << std::endl
<< "<" << QUtil::int_to_string_base(
static_cast<unsigned char>(b.at(0)), 16, 2)
<< ">" << b.substr(1) << std::endl;
}
void print_whoami(char const* str)