diff options
Diffstat (limited to 'Build/source/utils/lcdf-typetools/include/efont/otfdata.hh')
-rw-r--r-- | Build/source/utils/lcdf-typetools/include/efont/otfdata.hh | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/Build/source/utils/lcdf-typetools/include/efont/otfdata.hh b/Build/source/utils/lcdf-typetools/include/efont/otfdata.hh new file mode 100644 index 00000000000..638e7913148 --- /dev/null +++ b/Build/source/utils/lcdf-typetools/include/efont/otfdata.hh @@ -0,0 +1,119 @@ +// -*- 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) +# ifdef __MSC_VER +# pragma warning (disable: 4290) +# endif +# include <winsock2.h> +#else +# error "configury disaster! Report this error to kohler@icir.org" +#endif +class ErrorHandler; +namespace Efont { namespace OpenType { + +class Error { public: + String description; + Error() : description(String::stable_string("unspecified error")) { } + Error(const String &d) : description(d) { } +}; + +class Bounds : public Error { public: + Bounds() : Error(String::stable_string("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; } + + int length() const { return _str.length(); } + + 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); + + Data subtable(unsigned offset) const throw (Bounds); + Data offset_subtable(unsigned offset_offset) const throw (Bounds); + + 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(unsigned offset) const throw (Bounds) +{ + if (offset + 1 >= static_cast<unsigned>(_str.length()) || offset + 1 == 0) + throw Bounds(); + else + return ntohs(*reinterpret_cast<const uint16_t *>(_str.data() + 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 ntohs(*reinterpret_cast<const int16_t *>(_str.data() + 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 (ntohs(*reinterpret_cast<const uint16_t *>(_str.data() + offset)) << 16) + | ntohs(*reinterpret_cast<const uint16_t *>(_str.data() + offset + 2)); +} + +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 (ntohs(*reinterpret_cast<const uint16_t *>(_str.data() + offset)) << 16) + | ntohs(*reinterpret_cast<const uint16_t *>(_str.data() + offset + 2)); +} + +}} +#endif |