Hash :
353f4d2e
Author :
Date :
2018-05-31T19:52:16
Fix a whitespace inconsistency
Null() and Crap() are only places that there's no space before '('...
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/*
* Copyright © 2018 Ebrahim Byagowi
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*/
#include "hb-static.cc"
#include <stdio.h>
#include <stdlib.h>
#include "hb-open-type-private.hh"
template <typename Type, int Bytes> struct LEInt;
template <typename Type>
struct LEInt<Type, 1>
{
public:
inline void set (Type V)
{
v = V;
}
inline operator Type (void) const
{
return v;
}
private: uint8_t v;
};
template <typename Type>
struct LEInt<Type, 2>
{
public:
inline void set (Type V)
{
v[1] = (V >> 8) & 0xFF;
v[0] = (V ) & 0xFF;
}
inline operator Type (void) const
{
return (v[1] << 8)
+ (v[0] );
}
private: uint8_t v[2];
};
template <typename Type>
struct LEInt<Type, 3>
{
public:
inline void set (Type V)
{
v[2] = (V >> 16) & 0xFF;
v[1] = (V >> 8) & 0xFF;
v[0] = (V ) & 0xFF;
}
inline operator Type (void) const
{
return (v[2] << 16)
+ (v[1] << 8)
+ (v[0] );
}
private: uint8_t v[3];
};
template <typename Type>
struct LEInt<Type, 4>
{
public:
inline void set (Type V)
{
v[3] = (V >> 24) & 0xFF;
v[2] = (V >> 16) & 0xFF;
v[1] = (V >> 8) & 0xFF;
v[0] = (V ) & 0xFF;
}
inline operator Type (void) const
{
return (v[3] << 24)
+ (v[2] << 16)
+ (v[1] << 8)
+ (v[0] );
}
private: uint8_t v[4];
};
template <typename Type, unsigned int Size>
struct LEIntType
{
inline void set (Type i) { v.set (i); }
inline operator Type(void) const { return v; }
inline bool sanitize (OT::hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (likely (c->check_struct (this)));
}
protected:
LEInt<Type, Size> v;
public:
DEFINE_SIZE_STATIC (Size);
};
typedef LEIntType<uint8_t, 1> LEUINT8; /* 8-bit unsigned integer. */
typedef LEIntType<int8_t, 1> LEINT8; /* 8-bit signed integer. */
typedef LEIntType<uint16_t, 2> LEUINT16; /* 16-bit unsigned integer. */
typedef LEIntType<int16_t, 2> LEINT16; /* 16-bit signed integer. */
typedef LEIntType<uint32_t, 4> LEUINT32; /* 32-bit unsigned integer. */
typedef LEIntType<int32_t, 4> LEINT32; /* 32-bit signed integer. */
typedef LEIntType<uint32_t, 3> LEUINT24; /* 24-bit unsigned integer. */
struct LE_FONTINFO16
{
inline bool sanitize (OT::hb_sanitize_context_t *c, unsigned int length) const
{
TRACE_SANITIZE (this);
return_trace (likely (c->check_struct (this) && c->check_range (this, length)));
}
// https://msdn.microsoft.com/en-us/library/cc194829.aspx
enum charset_t
{
// dfCharSet possible values and the codepage they are indicating to
ANSI = 0x00, // 1252
DEFAULT = 0x01, //
SYMBOL = 0x02, //
SHIFTJIS = 0x80, // 932
HANGUL = 0x81, // 949
GB2312 = 0x86, // 936
CHINESEBIG5 = 0x88, // 950
GREEK = 0xA1, // 1253
TURKISH = 0xA2, // 1254
HEBREW = 0xB1, // 1255
ARABIC = 0xB2, // 1256
BALTIC = 0xBA, // 1257
RUSSIAN = 0xCC, // 1251
THAI = 0xDE, // 874
EE = 0xEE, // 1250
OEM = 0xFF //
};
inline const char* get_charset() const
{
switch (dfCharSet) {
case ANSI: return "ISO8859";
case DEFAULT: return "WinDefault";
case SYMBOL: return "Symbol";
case SHIFTJIS: return "JISX0208.1983";
case HANGUL: return "MSHangul";
case GB2312: return "GB2312.1980";
case CHINESEBIG5: return "Big5";
case GREEK: return "CP1253";
case TURKISH: return "CP1254";
case HEBREW: return "CP1255";
case ARABIC: return "CP1256";
case BALTIC: return "CP1257";
case RUSSIAN: return "CP1251";
case THAI: return "CP874";
case EE: return "CP1250";
case OEM: return "OEM";
default: return "Unknown";
}
}
inline unsigned int get_version () const
{
return dfVersion;
}
inline unsigned int get_weight () const
{
return dfWeight;
}
enum weight_t {
DONTCARE = 0,
THIN = 100,
EXTRALIGHT = 200,
ULTRALIGHT = 200,
LIGHT = 300,
NORMAL = 400,
REGULAR = 400,
MEDIUM = 500,
SEMIBOLD = 600,
DEMIBOLD = 600,
BOLD = 700,
EXTRABOLD = 800,
ULTRABOLD = 800,
HEAVY = 900,
BLACK = 900
};
inline void dump () const
{
// With https://github.com/juanitogan/mkwinfont/blob/master/python/dewinfont.py help
// Should be implemented differently eventually, but for now
unsigned int ctstart;
unsigned int ctsize;
if (dfVersion == 0x200)
{
ctstart = 0x76;
ctsize = 4;
}
else
{
return; // must of ".fon"s are version 2 and even dewinfont V1 implmentation doesn't seem correct
ctstart = 0x94;
ctsize = 6;
}
// unsigned int maxwidth = 0;
for (unsigned int i = dfFirstChar; i < dfLastChar; ++i)
{
unsigned int entry = ctstart + ctsize * (i-dfFirstChar);
unsigned int w = (uint16_t) OT::StructAtOffset<LEUINT16> (this, entry);
unsigned int off;
if (ctsize == 4)
off = (uint16_t) OT::StructAtOffset<LEUINT16> (this, entry+2);
else
off = (uint32_t) OT::StructAtOffset<LEUINT32> (this, entry+2);
unsigned int widthbytes = (w + 7) / 8;
for (unsigned int j = 0; j < dfPixHeight; ++j)
{
for (unsigned int k = 0; k < widthbytes; ++k)
{
unsigned int bytepos = off + k * dfPixHeight + j;
const uint8_t b = (uint8_t) OT::StructAtOffset<LEINT8> (this, bytepos);
for (unsigned int a = 128; a > 0; a >>= 1)
printf (b & a ? "x" : ".");
}
printf ("\n");
}
printf ("\n\n");
}
}
protected:
LEUINT16 dfVersion;
LEUINT32 dfSize;
LEUINT8 dfCopyright[60];
LEUINT16 dfType;
LEUINT16 dfPoints;
LEUINT16 dfVertRes;
LEUINT16 dfHorizRes;
LEUINT16 dfAscent;
LEUINT16 dfInternalLeading;
LEUINT16 dfExternalLeading;
LEUINT8 dfItalic;
LEUINT8 dfUnderline;
LEUINT8 dfStrikeOut;
LEUINT16 dfWeight; // see weight_t
LEUINT8 dfCharSet; // see charset_t
LEUINT16 dfPixWidth;
LEUINT16 dfPixHeight;
LEUINT8 dfPitchAndFamily;
LEUINT16 dfAvgWidth;
LEUINT16 dfMaxWidth;
LEUINT8 dfFirstChar;
LEUINT8 dfLastChar;
LEUINT8 dfDefaultChar;
LEUINT8 dfBreakChar;
LEUINT16 dfWidthBytes;
LEUINT32 dfDevice;
LEUINT32 dfFace;
LEUINT32 dfBitsPointer;
LEUINT32 dfBitsOffset;
LEUINT8 dfReserved;
// LEUINT32 dfFlags;
// LEUINT16 dfAspace;
// LEUINT16 dfBspace;
// LEUINT16 dfCspace;
// LEUINT32 dfColorPointer;
// LEUINT32 dfReserved1[4];
OT::UnsizedArrayOf<LEUINT8>
dataZ;
public:
DEFINE_SIZE_ARRAY (118, dataZ);
};
struct NE_NAMEINFO
{
friend struct NE_TYPEINFO;
inline bool sanitize (OT::hb_sanitize_context_t *c, const void *base, unsigned int shift) const
{
TRACE_SANITIZE (this);
return_trace (likely (c->check_struct (this) &&
get_font (base, shift).sanitize (c, length << shift)));
}
inline const LE_FONTINFO16& get_font (const void *base, int shift) const
{
return OT::StructAtOffset<LE_FONTINFO16> (base, offset << shift);
}
enum resource_type_flag_t {
NONE = 0x0000,
MOVEABLE = 0x0010,
PURE = 0x0020,
PRELOAD = 0x0040
};
protected:
LEUINT16 offset; // Should be shifted with alignmentShiftCount before use
LEUINT16 length; // Should be shifted with alignmentShiftCount before use
LEUINT16 flags; // resource_type_flag_t
LEUINT16 id;
LEUINT16 handle;
LEUINT16 usage;
public:
DEFINE_SIZE_STATIC (12);
};
struct NE_TYPEINFO
{
inline bool sanitize (OT::hb_sanitize_context_t *c, const void *base, unsigned int shift) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) && resources.sanitize (c, count, base, shift));
}
inline unsigned int get_size (void) const
{ return 8 + count * NE_NAMEINFO::static_size; }
inline const NE_TYPEINFO& next () const
{
const NE_TYPEINFO& next = OT::StructAfter<NE_TYPEINFO> (*this);
if (type_id == 0)
return Null(NE_TYPEINFO);
return next;
}
inline const LE_FONTINFO16& get_font (unsigned int idx, const void *base, int shift) const
{
if (idx < count)
return resources[idx].get_font (base, shift);
return Null(LE_FONTINFO16);
}
inline unsigned int get_count () const
{
return count;
}
inline unsigned int get_type_id () const
{
return type_id;
}
enum type_id_t {
CURSOR = 0x8001,
BITMAP = 0x8002,
ICON = 0x8003,
MENU = 0x8004,
DIALOG = 0x8005,
STRING = 0x8006,
FONT_DIRECTORY = 0x8007,
FONT = 0x8008,
ACCELERATOR_TABLE = 0x8009,
RESOURCE_DATA = 0x800a,
GROUP_CURSOR = 0x800c,
GROUP_ICON = 0x800e,
VERSION = 0x8010
};
protected:
LEUINT16 type_id; // see type_id_t
LEUINT16 count;
LEUINT32 resloader;
OT::UnsizedArrayOf<NE_NAMEINFO>
resources;
public:
DEFINE_SIZE_ARRAY (8, resources);
};
struct NE_RESOURCE_TABLE
{
inline bool sanitize (OT::hb_sanitize_context_t *c, const void *base) const
{
TRACE_SANITIZE (this);
if (!c->check_struct (this))
return_trace (false);
const NE_TYPEINFO* n = &chain;
while (n != &Null(NE_TYPEINFO) && c->check_struct (n) && n->get_type_id () != 0)
{
if (n->get_type_id () == NE_TYPEINFO::FONT)
return_trace (n->sanitize (c, base, alignmentShiftCount));
n = &n->next();
}
return_trace (false);
}
inline unsigned int get_shift_value () const
{
return alignmentShiftCount;
}
inline const NE_TYPEINFO& get_fonts_entry () const
{
const NE_TYPEINFO* n = &chain;
while (n != &Null(NE_TYPEINFO) && n->get_type_id () != 0)
{
if (n->get_type_id () == NE_TYPEINFO::FONT)
return *n;
n = &n->next();
}
return Null(NE_TYPEINFO);
}
protected:
LEUINT16 alignmentShiftCount;
NE_TYPEINFO chain;
// It is followed by an array of OT::ArrayOf<LEUINT8, LEUINT8> chars;
public:
DEFINE_SIZE_MIN (2);
};
// https://github.com/wine-mirror/wine/blob/master/include/winnt.h#L2467
struct LE_IMAGE_OS2_HEADER
{
inline bool sanitize (OT::hb_sanitize_context_t *c, const void *base) const
{
TRACE_SANITIZE (this);
return_trace (likely (c->check_struct (this) && (this+rsrctab).sanitize (c, base)));
}
inline const NE_RESOURCE_TABLE& get_resource_table () const
{
if (magic != 0x454E) // Only NE containers are support for now, NE == 0x454E
return Null(NE_RESOURCE_TABLE);
return this+rsrctab;
}
protected:
LEUINT16 magic; /* 00 NE signature 'NE' */
LEUINT8 ver; /* 02 Linker version number */
LEUINT8 rev; /* 03 Linker revision number */
LEUINT16 enttab; /* 04 Offset to entry table relative to NE */
LEUINT16 cbenttab; /* 06 Length of entry table in bytes */
LEUINT32 crc; /* 08 Checksum */
LEUINT16 flags; /* 0c Flags about segments in this file */
LEUINT16 autodata; /* 0e Automatic data segment number */
LEUINT16 heap; /* 10 Initial size of local heap */
LEUINT16 stack; /* 12 Initial size of stack */
LEUINT32 csip; /* 14 Initial CS:IP */
LEUINT32 sssp; /* 18 Initial SS:SP */
LEUINT16 cseg; /* 1c # of entries in segment table */
LEUINT16 cmod; /* 1e # of entries in module reference tab. */
LEUINT16 cbnrestab; /* 20 Length of nonresident-name table */
LEUINT16 segtab; /* 22 Offset to segment table */
OT::OffsetTo<NE_RESOURCE_TABLE, LEUINT16>
rsrctab; /* 24 Offset to resource table */
LEUINT16 restab; /* 26 Offset to resident-name table */
LEUINT16 modtab; /* 28 Offset to module reference table */
LEUINT16 imptab; /* 2a Offset to imported name table */
LEUINT32 nrestab; /* 2c Offset to nonresident-name table */
LEUINT16 cmovent; /* 30 # of movable entry points */
LEUINT16 align; /* 32 Logical sector alignment shift count */
LEUINT16 cres; /* 34 # of resource segments */
LEUINT8 exetyp; /* 36 Flags indicating target OS */
LEUINT8 flagsothers; /* 37 Additional information flags */
LEUINT16 pretthunks; /* 38 Offset to return thunks */
LEUINT16 psegrefbytes; /* 3a Offset to segment ref. bytes */
LEUINT16 swaparea; /* 3c Reserved by Microsoft */
LEUINT16 expver; /* 3e Expected Windows version number */
public:
DEFINE_SIZE_STATIC (64);
};
struct LE_IMAGE_DOS_HEADER {
inline bool sanitize (OT::hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (likely (c->check_struct (this) &&
get_os2_header ().sanitize (c, this)));
}
inline const LE_IMAGE_OS2_HEADER& get_os2_header () const
{
return this+e_lfanew;
}
protected:
LEUINT16 e_magic; // Magic number
LEUINT16 e_cblp; // Bytes on last page of file
LEUINT16 e_cp; // Pages in file
LEUINT16 e_crlc; // Relocations
LEUINT16 e_cparhdr; // Size of header in paragraphs
LEUINT16 e_minalloc; // Minimum extra paragraphs needed
LEUINT16 e_maxalloc; // Maximum extra paragraphs needed
LEUINT16 e_ss; // Initial (relative) SS value
LEUINT16 e_sp; // Initial SP value
LEUINT16 e_csum; // Checksum
LEUINT16 e_ip; // Initial IP value
LEUINT16 e_cs; // Initial (relative) CS value
LEUINT16 e_lfarlc; // File address of relocation table
LEUINT16 e_ovno; // Overlay number
LEUINT16 e_res_0; // Reserved words
LEUINT16 e_res_1; // Reserved words
LEUINT16 e_res_2; // Reserved words
LEUINT16 e_res_3; // Reserved words
LEUINT16 e_oemid; // OEM identifier (for e_oeminfo)
LEUINT16 e_oeminfo; // OEM information; e_oemid specific
LEUINT16 e_res2_0; // Reserved words
LEUINT16 e_res2_1; // Reserved words
LEUINT16 e_res2_2; // Reserved words
LEUINT16 e_res2_3; // Reserved words
LEUINT16 e_res2_4; // Reserved words
LEUINT16 e_res2_5; // Reserved words
LEUINT16 e_res2_6; // Reserved words
LEUINT16 e_res2_7; // Reserved words
LEUINT16 e_res2_8; // Reserved words
LEUINT16 e_res2_9; // Reserved words
OT::OffsetTo<LE_IMAGE_OS2_HEADER, LEUINT32>
e_lfanew; // File address of new exe header
public:
DEFINE_SIZE_STATIC (64);
};
int main (int argc, char** argv) {
hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
OT::Sanitizer<LE_IMAGE_DOS_HEADER> sanitizer;
hb_blob_t *font_blob = sanitizer.sanitize (blob);
const LE_IMAGE_DOS_HEADER* dos_header = font_blob->as<LE_IMAGE_DOS_HEADER> ();
const NE_RESOURCE_TABLE &rtable = dos_header->get_os2_header ().get_resource_table ();
int shift = rtable.get_shift_value ();
const NE_TYPEINFO& entry = rtable.get_fonts_entry ();
for (unsigned int i = 0; i < entry.get_count (); ++i)
{
const LE_FONTINFO16& font = entry.get_font (i, dos_header, shift);
printf ("version: %x, weight: %d, charset: %s\n", font.get_version (),
font.get_weight (), font.get_charset ());
// font.dump ();
}
return 0;
}