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-rw-r--r--libqpdf/QUtil.cc484
1 files changed, 480 insertions, 4 deletions
diff --git a/libqpdf/QUtil.cc b/libqpdf/QUtil.cc
index 04b9b190..2d307956 100644
--- a/libqpdf/QUtil.cc
+++ b/libqpdf/QUtil.cc
@@ -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);
+}
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-10-30 18:27:04 +0100