diff options
Diffstat (limited to 'Build/source/texk/lcdf-typetools/lcdf-typetools-2.98/include/efont/otfdata.hh')
-rw-r--r-- | Build/source/texk/lcdf-typetools/lcdf-typetools-2.98/include/efont/otfdata.hh | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/Build/source/texk/lcdf-typetools/lcdf-typetools-2.98/include/efont/otfdata.hh b/Build/source/texk/lcdf-typetools/lcdf-typetools-2.98/include/efont/otfdata.hh new file mode 100644 index 00000000000..cdc004ce044 --- /dev/null +++ b/Build/source/texk/lcdf-typetools/lcdf-typetools-2.98/include/efont/otfdata.hh @@ -0,0 +1,239 @@ +// -*- related-file-name: "../../libefont/otfdata.cc" -*- +#ifndef EFONT_OTFDATA_HH +#define EFONT_OTFDATA_HH +#include <lcdf/string.hh> +#include <lcdf/vector.hh> +#include <lcdf/inttypes.h> +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#if NEED_ARPA_INET_H +# include <arpa/inet.h> +#endif +#if HAVE_BYTEORDER_H +# include <byteorder.h> +#elif HAVE_NETINET_IN_H +# include <netinet/in.h> +#elif HAVE_SYS_PARAM_H +# include <sys/param.h> +#elif !defined(WIN32) +# error "configury disaster! Report this error to ekohler@gmail.com" +#endif +#ifdef WIN32 +# ifdef __MSC_VER +# pragma warning (disable: 4290) +# endif +# include <winsock2.h> +#endif +class ErrorHandler; +namespace Efont { namespace OpenType { + +#if HAVE_PRECONDITION_CHECKING +#define efont_precondition(x) assert((x)) +#else +#define efont_precondition(x) +#endif + +class Error { + public: + String description; + Error() : description(String::make_stable("unspecified error")) { } + Error(const String &d) : description(d) { } +}; + +class Bounds : public Error { + public: + Bounds() : Error(String::make_stable("bounds error")) { } +}; + +class Format : public Error { + public: + Format(const String& name) : Error(name + " format error") { } + Format(const String& name, const String& type) + : Error(name + " " + type + " format error") { } +}; + +class BlankTable : public Format { + public: + BlankTable(const String& name) : Format(name, "blank table") { } +}; + +class Data { + public: + Data() { } + Data(const String& str) : _str(str) { _str.align(2); } + // default copy constructor + // default destructor + + operator const String&() const { return _str; } + + operator bool() const { return _str; } + const uint8_t *udata() const { return _str.udata(); } + int length() const { return _str.length(); } + + static inline uint16_t u16(const unsigned char* s); + static inline uint16_t u16_aligned(const unsigned char* s); + static inline int16_t s16(const unsigned char* s); + static inline int16_t s16_aligned(const unsigned char* s); + static inline uint32_t u32(const unsigned char* s); + static inline uint32_t u32_aligned16(const unsigned char* s); + static inline uint32_t u32_aligned(const unsigned char* s); + static inline int32_t s32(const unsigned char* s); + static inline int32_t s32_aligned16(const unsigned char* s); + static inline int32_t s32_aligned(const unsigned char* s); + + inline uint8_t operator[](unsigned offset) const throw (Bounds); + inline uint16_t u16(unsigned offset) const throw (Bounds); + inline int16_t s16(unsigned offset) const throw (Bounds); + inline uint32_t u32(unsigned offset) const throw (Bounds); + inline int32_t s32(unsigned offset) const throw (Bounds); + inline uint8_t operator[](int offset) const throw (Bounds); + inline uint16_t u16(int offset) const throw (Bounds); + inline int16_t s16(int offset) const throw (Bounds); + inline uint32_t u32(int offset) const throw (Bounds); + inline int32_t s32(int offset) const throw (Bounds); + + Data subtable(unsigned offset) const throw (Bounds); + Data offset_subtable(unsigned offset_offset) const throw (Bounds); + inline Data substring(int left, int len = -1) const throw (); + + void align_long() { _str.align(4); } + + private: + + String _str; + +}; + +inline uint8_t Data::operator[](unsigned offset) const throw (Bounds) { + if (offset >= static_cast<unsigned>(_str.length())) + throw Bounds(); + else + return _str[offset]; +} + +inline uint16_t Data::u16(const unsigned char* s) { +#if __x86__ || __x86_64__ || HAVE_INDIFFERENT_ALIGNMENT + return ntohs(*reinterpret_cast<const uint16_t*>(s)); +#else + return (s[0] << 8) + s[1]; +#endif +} + +inline uint16_t Data::u16_aligned(const unsigned char* s) { + efont_precondition((reinterpret_cast<uintptr_t>(s) & 1) == 0); + return ntohs(*reinterpret_cast<const uint16_t*>(s)); +} + +inline int16_t Data::s16(const unsigned char* s) { +#if __x86__ || __x86_64__ || HAVE_INDIFFERENT_ALIGNMENT + return ntohs(*reinterpret_cast<const int16_t*>(s)); +#else + return (int16_t) ((s[0] << 8) + s[1]); +#endif +} + +inline int16_t Data::s16_aligned(const unsigned char* s) { + efont_precondition((reinterpret_cast<uintptr_t>(s) & 1) == 0); + return ntohs(*reinterpret_cast<const int16_t*>(s)); +} + +inline uint32_t Data::u32(const unsigned char* s) { +#if __x86__ || __x86_64__ || HAVE_INDIFFERENT_ALIGNMENT + return ntohl(*reinterpret_cast<const uint32_t*>(s)); +#else + return (s[0] << 24) + (s[1] << 16) + (s[2] << 8) + s[3]; +#endif +} + +inline uint32_t Data::u32_aligned16(const unsigned char* s) { +#if __x86__ || __x86_64__ || HAVE_INDIFFERENT_ALIGNMENT + return ntohl(*reinterpret_cast<const uint32_t*>(s)); +#else + efont_precondition((reinterpret_cast<uintptr_t>(s) & 1) == 0); + return (u16_aligned(s) << 16) + u16_aligned(s + 2); +#endif +} + +inline uint32_t Data::u32_aligned(const unsigned char* s) { + efont_precondition((reinterpret_cast<uintptr_t>(s) & 3) == 0); + return ntohl(*reinterpret_cast<const uint32_t*>(s)); +} + +inline int32_t Data::s32(const unsigned char* s) { +#if __x86__ || __x86_64__ || HAVE_INDIFFERENT_ALIGNMENT + return ntohl(*reinterpret_cast<const int32_t*>(s)); +#else + return (int32_t) ((s[0] << 24) + (s[1] << 16) + (s[2] << 8) + s[3]); +#endif +} + +inline int32_t Data::s32_aligned16(const unsigned char* s) { +#if __x86__ || __x86_64__ || HAVE_INDIFFERENT_ALIGNMENT + return ntohl(*reinterpret_cast<const int32_t*>(s)); +#else + efont_precondition((reinterpret_cast<uintptr_t>(s) & 1) == 0); + return (int32_t) ((u16_aligned(s) << 16) + u16_aligned(s + 2)); +#endif +} + +inline int32_t Data::s32_aligned(const unsigned char* s) { + efont_precondition((reinterpret_cast<uintptr_t>(s) & 3) == 0); + return ntohl(*reinterpret_cast<const int32_t*>(s)); +} + +inline uint16_t Data::u16(unsigned offset) const throw (Bounds) { + if (offset + 1 >= static_cast<unsigned>(_str.length()) || offset + 1 == 0) + throw Bounds(); + else + return u16_aligned(_str.udata() + offset); +} + +inline int16_t Data::s16(unsigned offset) const throw (Bounds) { + if (offset + 1 >= static_cast<unsigned>(_str.length()) || offset + 1 == 0) + throw Bounds(); + else + return s16_aligned(_str.udata() + offset); +} + +inline uint32_t Data::u32(unsigned offset) const throw (Bounds) { + if (offset + 3 >= static_cast<unsigned>(_str.length()) || offset + 3 < 3) + throw Bounds(); + else + return u32_aligned16(_str.udata() + offset); +} + +inline int32_t Data::s32(unsigned offset) const throw (Bounds) { + if (offset + 3 >= static_cast<unsigned>(_str.length()) || offset + 3 < 3) + throw Bounds(); + else + return s32_aligned16(_str.udata() + offset); +} + +inline uint8_t Data::operator[](int offset) const throw (Bounds) { + return (*this)[unsigned(offset)]; +} + +inline uint16_t Data::u16(int offset) const throw (Bounds) { + return u16(unsigned(offset)); +} + +inline int16_t Data::s16(int offset) const throw (Bounds) { + return s16(unsigned(offset)); +} + +inline uint32_t Data::u32(int offset) const throw (Bounds) { + return u32(unsigned(offset)); +} + +inline int32_t Data::s32(int offset) const throw (Bounds) { + return s32(unsigned(offset)); +} + +inline Data Data::substring(int left, int len) const throw () { + return Data(_str.substring(left, len)); +} + +} // namespace Efont::OpenType +} // namespace Efont +#endif |