disasm.c

这个是Linux的qt源代码

      Dump_GSUB_Lookup_ContextSubst2 (&ContextSubst->csf.csf2, stream, indent+2, is_gsub);
      break;
  case 3:
      Dump_GSUB_Lookup_ContextSubst3 (&ContextSubst->csf.csf3, stream, indent+2, is_gsub);
      break;
  default:
      printf("invalid subformat!!!!!\n");
  }
}

static void
Dump_GSUB_Lookup_ChainSubst1 (TTO_ChainContextSubstFormat1 *csf, FILE *stream, int indent, FT_Bool is_gsub)
{
    DUMP("Not implemented!!!\n");
}
static void
Dump_GSUB_Lookup_ChainSubst2 (TTO_ChainContextSubstFormat2 *csf, FILE *stream, int indent, FT_Bool is_gsub)
{
    int i;
    RECURSE (Coverage, Coverage, &csf->Coverage);
    DUMP_FUINT( csf, MaxBacktrackLength );
    RECURSE( ClassDefinition, ClassDefinition, &csf->BacktrackClassDef );
    DUMP_FUINT( csf, MaxInputLength );
    RECURSE( ClassDefinition, ClassDefinition, &csf->InputClassDef );
    DUMP_FUINT( csf, MaxLookaheadLength );
    RECURSE( ClassDefinition, ClassDefinition, &csf->LookaheadClassDef );

    DUMP_FUINT( csf, ChainSubClassSetCount );
    for ( i = 0; i < csf->ChainSubClassSetCount; i++ )
	RECURSE( ChainSubClassSet, ChainSubClassSet, &csf->ChainSubClassSet[i] );
}
static void
Dump_GSUB_Lookup_ChainSubst3 (TTO_ChainContextSubstFormat3 *csf, FILE *stream, int indent, FT_Bool is_gsub)
{
    DUMP("Not implemented!!!\n");
}

static void
Dump_GSUB_Lookup_Chain (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
{
  int i;
  TTO_ChainContextSubst *chain = &subtable->st.gsub.chain;

  DUMP_FUINT (chain, SubstFormat);
  switch( chain->SubstFormat ) {
  case 1:
      Dump_GSUB_Lookup_ChainSubst1 (&chain->ccsf.ccsf1, stream, indent+2, is_gsub);
      break;
  case 2:
      Dump_GSUB_Lookup_ChainSubst2 (&chain->ccsf.ccsf2, stream, indent+2, is_gsub);
      break;
  case 3:
      Dump_GSUB_Lookup_ChainSubst3 (&chain->ccsf.ccsf3, stream, indent+2, is_gsub);
      break;
  default:
      printf("invalid subformat!!!!!\n");
  }
}


static void
Dump_Device (TTO_Device *Device, FILE *stream, int indent, FT_Bool is_gsub)
{
  int i;
  int bits = 0;
  int n_per;
  unsigned int mask;

  DUMP_FUINT (Device, StartSize);
  DUMP_FUINT (Device, EndSize);
  DUMP_FUINT (Device, DeltaFormat);
  switch (Device->DeltaFormat)
    {
    case 1:
      bits = 2;
      break;
    case 2:
      bits = 4;
      break;
    case 3:
      bits = 8;
      break;
    }

  n_per = 16 / bits;
  mask = (1 << bits) - 1;
  mask = mask << (16 - bits);

  DUMP ("<DeltaValue>");
  for (i = Device->StartSize; i <= Device->EndSize ; i++)
    {
      FT_UShort val = Device->DeltaValue[i / n_per];
      FT_Short signed_val = ((val << ((i % n_per) * bits)) & mask);
      dump (stream, indent, "%d", signed_val >> (16 - bits));
      if (i != Device->EndSize)
	DUMP (", ");
    }
  DUMP ("</DeltaValue>\n");
}

static void
Dump_ValueRecord (TTO_ValueRecord *ValueRecord, FILE *stream, int indent, FT_Bool is_gsub, FT_UShort value_format)
{
  if (value_format & HAVE_X_PLACEMENT)
    DUMP_FINT (ValueRecord, XPlacement);
  if (value_format & HAVE_Y_PLACEMENT)
    DUMP_FINT (ValueRecord, YPlacement);
  if (value_format & HAVE_X_ADVANCE)
    DUMP_FINT (ValueRecord, XAdvance);
  if (value_format & HAVE_Y_ADVANCE)
    DUMP_FINT (ValueRecord, XAdvance);
  if (value_format & HAVE_X_PLACEMENT_DEVICE)
    RECURSE (Device, Device, &ValueRecord->XPlacementDevice);
  if (value_format & HAVE_Y_PLACEMENT_DEVICE)
    RECURSE (Device, Device, &ValueRecord->YPlacementDevice);
  if (value_format & HAVE_X_ADVANCE_DEVICE)
    RECURSE (Device, Device, &ValueRecord->XAdvanceDevice);
  if (value_format & HAVE_Y_ADVANCE_DEVICE)
    RECURSE (Device, Device, &ValueRecord->YAdvanceDevice);
  if (value_format & HAVE_X_ID_PLACEMENT)
    DUMP_FUINT (ValueRecord, XIdPlacement);
  if (value_format & HAVE_Y_ID_PLACEMENT)
    DUMP_FUINT (ValueRecord, YIdPlacement);
  if (value_format & HAVE_X_ID_ADVANCE)
    DUMP_FUINT (ValueRecord, XIdAdvance);
  if (value_format & HAVE_Y_ID_ADVANCE)
    DUMP_FUINT (ValueRecord, XIdAdvance);
}

static void
Dump_GPOS_Lookup_Single (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
{
  TTO_SinglePos *SinglePos = &subtable->st.gpos.single;

  DUMP_FUINT (SinglePos, PosFormat);
  RECURSE (Coverage, Coverage, &SinglePos->Coverage);

  DUMP_FUINT (SinglePos, ValueFormat);

  if (SinglePos->PosFormat == 1)
    {
      DUMP_VALUE_RECORD (&SinglePos->spf.spf1.Value, SinglePos->ValueFormat);
    }
  else
    {
      int i;

      DUMP_FUINT (&SinglePos->spf.spf2, ValueCount);
      for (i = 0; i < SinglePos->spf.spf2.ValueCount; i++)
	DUMP_VALUE_RECORD (&SinglePos->spf.spf2.Value[i], SinglePos->ValueFormat);
    }
}

static void
Dump_PairValueRecord (TTO_PairValueRecord *PairValueRecord, FILE *stream, int indent, FT_Bool is_gsub, FT_UShort ValueFormat1, FT_UShort ValueFormat2)
{
  DUMP_FUINT (PairValueRecord, SecondGlyph);
  DUMP_VALUE_RECORD (&PairValueRecord->Value1, ValueFormat1);
  DUMP_VALUE_RECORD (&PairValueRecord->Value2, ValueFormat2);
}

static void
Dump_PairSet (TTO_PairSet *PairSet, FILE *stream, int indent, FT_Bool is_gsub, FT_UShort ValueFormat1, FT_UShort ValueFormat2)
{
  int i;
  DUMP_FUINT (PairSet, PairValueCount);

  for (i = 0; i < PairSet->PairValueCount; i++)
    {
      DUMP ("<PairValueRecord>\n");
      Dump_PairValueRecord (&PairSet->PairValueRecord[i], stream, indent + 1, is_gsub, ValueFormat1, ValueFormat2);
      DUMP ("</PairValueRecord>\n");
    }
}

static void
Dump_GPOS_Lookup_Pair (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
{
  TTO_PairPos *PairPos = &subtable->st.gpos.pair;

  DUMP_FUINT (PairPos, PosFormat);
  RECURSE (Coverage, Coverage, &PairPos->Coverage);

  DUMP_FUINT (PairPos, ValueFormat1);
  DUMP_FUINT (PairPos, ValueFormat2);

  if (PairPos->PosFormat == 1)
    {
      int i;

      DUMP_FUINT (&PairPos->ppf.ppf1, PairSetCount);
      for (i = 0; i < PairPos->ppf.ppf1.PairSetCount; i++)
	{
	  DUMP ("<PairSet>\n");
	  Dump_PairSet (&PairPos->ppf.ppf1.PairSet[i], stream, indent + 1, is_gsub, PairPos->ValueFormat1, PairPos->ValueFormat2);
	  DUMP ("</PairSet>\n");
	}
    }
  else
    {
    }
}

static void
Dump_GPOS_Lookup_Markbase (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub)
{
    int i;
    TTO_MarkBasePos *markbase = &subtable->st.gpos.markbase;

    DUMP_FUINT( markbase, PosFormat );
    RECURSE( Coverage, Coverage, &markbase->MarkCoverage );
    RECURSE( Coverage, Coverage, &markbase->BaseCoverage );
    DUMP_FUINT( markbase, ClassCount );
    RECURSE( MarkArray, MarkArray, &markbase->MarkArray );

    DUMP("<BaseArray>\n");
    indent++;
    for ( i = 0; i < markbase->BaseArray.BaseCount; i++ ) {
	int j;
	TTO_BaseRecord *r = &markbase->BaseArray.BaseRecord[i];
	DUMP("<BaseRecord> <!-- %d -->\n",  i);
	for ( j = 0; j < markbase->ClassCount; j++ ) {
	    DUMP("   <Anchor>%d</Anchor>\n", r->BaseAnchor->PosFormat );
	}
	DUMP("<BaseRecord>\n" );
    }
    indent--;
    DUMP("</BaseArray>\n");
}


DEF_DUMP (Lookup)
{
  int i;
  const char *lookup_name = NULL;
  void (*lookup_func) (TTO_SubTable *subtable, FILE *stream, int indent, FT_Bool is_gsub) = NULL;

  if (is_gsub)
    {
      switch (Lookup->LookupType)
	{
	case  GSUB_LOOKUP_SINGLE:
	  lookup_name = "SINGLE";
	  lookup_func = Dump_GSUB_Lookup_Single;
	  break;
	case  GSUB_LOOKUP_MULTIPLE:
	  lookup_name = "MULTIPLE";
	  break;
	case  GSUB_LOOKUP_ALTERNATE:
	  lookup_name = "ALTERNATE";
	  break;
	case  GSUB_LOOKUP_LIGATURE:
	  lookup_name = "LIGATURE";
	  lookup_func = Dump_GSUB_Lookup_Ligature;
	  break;
	case  GSUB_LOOKUP_CONTEXT:
	  lookup_name = "CONTEXT";
	  lookup_func = Dump_GSUB_Lookup_Context;
	  break;
	case  GSUB_LOOKUP_CHAIN:
	  lookup_name = "CHAIN";
	  lookup_func = Dump_GSUB_Lookup_Chain;
	  break;
	}
    }
  else
    {
      switch (Lookup->LookupType)
	{
	case GPOS_LOOKUP_SINGLE:
	  lookup_name = "SINGLE";
	  lookup_func = Dump_GPOS_Lookup_Single;
	  break;
	case GPOS_LOOKUP_PAIR:
	  lookup_name = "PAIR";
	  lookup_func = Dump_GPOS_Lookup_Pair;
	  break;
	case GPOS_LOOKUP_CURSIVE:
	  lookup_name = "CURSIVE";
	  break;
	case GPOS_LOOKUP_MARKBASE:
	  lookup_name = "MARKBASE";
	  lookup_func = Dump_GPOS_Lookup_Markbase;
	  break;
	case GPOS_LOOKUP_MARKLIG:
	  lookup_name = "MARKLIG";
	  break;
	case GPOS_LOOKUP_MARKMARK:
	  lookup_name = "MARKMARK";
	  break;
	case GPOS_LOOKUP_CONTEXT:
	  lookup_name = "CONTEXT";
	  break;
	case GPOS_LOOKUP_CHAIN:
	  lookup_name = "CHAIN";
	  break;
	}
    }

  DUMP("<LookupType>%s</LookupType>\n", lookup_name);

  for (i=0; i < Lookup->SubTableCount; i++)
    {
      DUMP ("<Subtable>\n");
      if (lookup_func)
	(*lookup_func) (&Lookup->SubTable[i], stream, indent + 1, is_gsub);
      DUMP ("</Subtable>\n");
    }
}

DEF_DUMP (LookupList)
{
  int i;

  DUMP_FUINT (LookupList, LookupCount);

  for (i=0; i < LookupList->LookupCount; i++)
    RECURSE_NUM (Lookup, i, Lookup, &LookupList->Lookup[i]);
}

void
TT_Dump_GSUB_Table (TTO_GSUB gsub, FILE *stream)
{
  int indent = 0;
  FT_Bool is_gsub = 1;

  RECURSE (ScriptList, ScriptList, &gsub->ScriptList);
  RECURSE (FeatureList, FeatureList, &gsub->FeatureList);
  RECURSE (LookupList, LookupList, &gsub->LookupList);
}

void
TT_Dump_GPOS_Table (TTO_GPOS gpos, FILE *stream)
{
  int indent = 0;
  FT_Bool is_gsub = 0;

  RECURSE (ScriptList, ScriptList, &gpos->ScriptList);
  RECURSE (FeatureList, FeatureList, &gpos->FeatureList);
  RECURSE (LookupList, LookupList, &gpos->LookupList);
}