diff options
Diffstat (limited to 'Build/source/texk/lcdf-typetools/lcdf-typetools-2.98/libefont/otfname.cc')
-rw-r--r-- | Build/source/texk/lcdf-typetools/lcdf-typetools-2.98/libefont/otfname.cc | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/Build/source/texk/lcdf-typetools/lcdf-typetools-2.98/libefont/otfname.cc b/Build/source/texk/lcdf-typetools/lcdf-typetools-2.98/libefont/otfname.cc new file mode 100644 index 00000000000..ee2151b92ca --- /dev/null +++ b/Build/source/texk/lcdf-typetools/lcdf-typetools-2.98/libefont/otfname.cc @@ -0,0 +1,194 @@ +// -*- related-file-name: "../include/efont/otfname.hh" -*- + +/* otfname.{cc,hh} -- OpenType name table + * + * Copyright (c) 2003-2012 Eddie Kohler + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. This program is distributed in the hope that it will be + * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General + * Public License for more details. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif +#include <efont/otfname.hh> +#include <lcdf/error.hh> +#include <lcdf/straccum.hh> +#include <errno.h> +#include <stdlib.h> +#include <string.h> +#include <algorithm> + +#define USHORT_AT(d) (Data::u16_aligned(d)) + +namespace Efont { namespace OpenType { + +static const uint16_t mac_roman_encoding[] = { + // 0x80-0x8F + 0x00C4, 0x00C5, 0x00C7, 0x00C9, // Adieresis Aring Ccedilla Eacute + 0x00D1, 0x00D6, 0x00DC, 0x00E1, // Ntilde Odieresis Udieresis aacute + 0x00E0, 0x00E2, 0x00E4, 0x00E3, // agrave acircumflex adieresis atilde + 0x00E5, 0x00E7, 0x00E9, 0x00E8, // aring ccedilla eacute egrave + // 0x90-0x9F + 0x00EA, 0x00EB, 0x00ED, 0x00EC, // ecircumflex edieresis iacute igrave + 0x00EE, 0x00EF, 0x00F1, 0x00F3, // icircumflex idieresis ntilde oacute + 0x00F2, 0x00F4, 0x00F6, 0x00F5, // ograve ocircumflex odieresis otilde + 0x00FA, 0x00F9, 0x00FB, 0x00FC, // uacute ugrave ucircumflex udieresis + // 0xA0-0xAF + 0x2020, 0x00B0, 0x00A2, 0x00A3, // dagger degree cent sterling + 0x00A7, 0x2022, 0x00B6, 0x00DF, // section bullet paragraph germandbls + 0x00AE, 0x00A9, 0x2122, 0x00B4, // registered copyright trademark acute + 0x00A8, 0x2260, 0x00C6, 0x00D8, // dieresis notequal AE Oslash + // 0xB0-0xBF + 0x221E, 0x00B1, 0x2264, 0x2265, // infinity plusminus lessequal greaterequal + 0x00A5, 0x00B5, 0x2202, 0x2211, // yen mu partialdiff summation + 0x220F, 0x03C0, 0x222B, 0x00AA, // product pi integral ordfeminine + 0x00BA, 0x03A9, 0x00E6, 0x00F8, // ordmasculine Omegagreek ae oslash + // 0xC0-0xCF + 0x00BF, 0x00A1, 0x00AC, 0x221A, // questiondown exclamdown logicalnot radical + 0x0192, 0x2248, 0x2206, 0x00AB, // florin approxequal increment guillemotleft + 0x00BB, 0x2026, 0x00A0, 0x00C0, // guillemotright ellipsis nbspace Agrave + 0x00C3, 0x00D5, 0x0152, 0x0153, // Atilde Otilde OE oe + // 0xD0-0xDF + 0x2013, 0x2014, 0x201C, 0x201D, // endash emdash quotedblleft quotedblright + 0x2018, 0x2019, 0x00F7, 0x25CA, // quoteleft quoteright divide lozenge + 0x00FF, 0x0178, 0x2044, 0x20AC, // ydieresis Ydieresis fraction Euro + 0x2039, 0x203A, 0xFB01, 0xFB02, // guilsinglleft guilsinglright fi fl + // 0xE0-0xEF + 0x2021, 0x00B7, 0x201A, 0x201E, // daggerdbl middot quotesinglbase quotedblbase + 0x2030, 0x00C2, 0x00CA, 0x00C1, // perthousand Acircumflex Ecircumflex Aacute + 0x00CB, 0x00C8, 0x00CD, 0x00CE, // Edieresis Egrave Iacute Icircumflex + 0x00CF, 0x00CC, 0x00D3, 0x00D4, // Idieresis Igrave Oacute Ocircumflex + // 0xF0-0xFF + 0xF8FF, 0x00D2, 0x00DA, 0x00DB, // apple Ograve Uacute Ucircumflex + 0x00D9, 0x0131, 0x02C6, 0x02DC, // Ugrave dotlessi circumflex tilde + 0x00AF, 0x02D8, 0x02D9, 0x02DA, // macron breve dotaccent ring + 0x00B8, 0x02DD, 0x02DB, 0x02C7 // cedilla hungarumlaut ogonek caron +}; + + +Name::Name(const String &s, ErrorHandler *errh) + : _str(s) { + _str.align(2); + _error = parse_header(errh ? errh : ErrorHandler::silent_handler()); +} + +int +Name::parse_header(ErrorHandler *errh) +{ + // HEADER FORMAT: + // USHORT version + // USHORT numTables + int len = _str.length(); + const uint8_t *data = _str.udata(); + if (len == 0) + return errh->error("font has no %<name%> table"), -EFAULT; + if (HEADER_SIZE > len) + return errh->error("%<name%> table too small"), -EFAULT; + if (!(data[0] == '\000' && data[1] == '\000')) + return errh->error("bad %<name%> version number"), -ERANGE; + int count = USHORT_AT(data + 2); + if (HEADER_SIZE + count*NAMEREC_SIZE > len) + return errh->error("%<name%> table too small"), -EFAULT; + return 0; +} + +String +Name::name(const_iterator i) const +{ + if (i < end()) { + int stringOffset = USHORT_AT(_str.udata() + 4); + int length = USHORT_AT(reinterpret_cast<const uint8_t *>(i) + 8); + int offset = USHORT_AT(reinterpret_cast<const uint8_t *>(i) + 10); + if (stringOffset + offset + length <= _str.length()) + return _str.substring(stringOffset + offset, length); + } + return String(); +} + +String +Name::utf8_name(const_iterator i) const +{ + // This code can handle Microsoft Unicode BMP and Mac Roman encodings, + // but that's it + if (!(i < end())) + return String(); + int stringOffset = USHORT_AT(_str.udata() + 4); + int length = USHORT_AT(reinterpret_cast<const uint8_t *>(i) + 8); + int offset = USHORT_AT(reinterpret_cast<const uint8_t *>(i) + 10); + if (stringOffset + offset + length > _str.length()) + return String(); + const unsigned char *begins = _str.udata() + stringOffset + offset; + const unsigned char *ends = begins + length; + if (platform(*i) == P_MICROSOFT && encoding(*i) == E_MS_UNICODE_BMP) { + StringAccum sa; + for (const unsigned char *s = begins; s + 1 < ends; s += 2) + sa.append_utf8(Data::u16(s)); + return sa.take_string(); + } else if (platform(*i) == P_MACINTOSH && encoding(*i) == E_MAC_ROMAN) { + StringAccum sa; + for (const unsigned char *s = begins; s < ends; s++) + if (*s >= 0x80) { + sa.append(begins, s); + sa.append_utf8(mac_roman_encoding[*s & 0x7F]); + begins = s + 1; + } + if (!sa) + return _str.substring(begins, ends); + else { + sa.append(begins, ends); + return sa.take_string(); + } + } else + return _str.substring(begins, ends); +} + +String +Name::english_name(int nameid) const +{ + const_iterator end = this->end(); + const_iterator it = std::find_if(begin(), end, PlatformPred(nameid, P_MICROSOFT, E_MS_UNICODE_BMP, L_MS_ENGLISH_AMERICAN)); + if (it == end) + it = std::find_if(begin(), end, PlatformPred(nameid, P_MACINTOSH, E_MAC_ROMAN, 0)); + return utf8_name(it); +} + +bool +Name::version_chaincontext_reverse_backtrack() const +{ + String vstr = name(std::find_if(begin(), end(), PlatformPred(N_VERSION, 1, 0, 0))); + const char *v = vstr.begin(), *endv = vstr.end(); + if (v + 20 <= endv) { + if (v[0] != 'O' || v[1] != 'T' || v[2] != 'F' || v[3] == ';') + goto try_core; + for (v += 4; v < endv && *v != ';'; v++) + /* do nothing */; + if (v + 3 >= endv || v[1] != 'P' || v[2] != 'S' || v[3] == ';') + goto try_core; + for (v += 4; v < endv && *v != ';'; v++) + /* do nothing */; + if (v + 11 >= endv || memcmp(v + 1, "Core 1.0.", 9) != 0 + || (v[10] != '2' && v[10] != '3') + || (v[11] < '0' || v[11] > '9')) + goto try_core; + return true; + } + try_core: + v = vstr.begin(); + if (v + 16 > endv + || v[0] != 'C' || v[1] != 'o' || v[2] != 'r' || v[3] != 'e') + return false; + for (v += 4; v < endv && *v != ';'; v++) + /* do nothing */; + if (v + 12 > endv || memcmp(v, ";makeotf.lib", 12) != 0) + return false; + return true; +} + +} // namespace Efont::OpenType +} // namespace Efont |