public bool Validate(Validator v, string sIdentity, OTTable table)
{
bool bRet = true;
bRet &= ((val_BASE)table).ValidateNoOverlap(m_offsetBaseScriptListTable, CalcLength(), v, sIdentity, table.GetTag());
bool bOrderOk = true;
if (BaseScriptCount > 1)
{
for (uint i = 0; i < BaseScriptCount - 1; i++)
{
BaseScriptRecord ThisBsr = GetBaseScriptRecord(i);
BaseScriptRecord NextBsr = GetBaseScriptRecord(i + 1);
if (ThisBsr.BaseScriptTag >= NextBsr.BaseScriptTag)
{
v.Error(T.T_NULL, E.BASE_E_BaseScriptList_Order, table.m_tag, sIdentity);
bOrderOk = false;
bRet = false;
break;
}
}
}
if (bOrderOk)
{
v.Pass(T.T_NULL, P.BASE_P_BaseScriptList_Order, table.m_tag, sIdentity);
}
bool bOffsetsOk = true;
for (uint i = 0; i < BaseScriptCount; i++)
{
BaseScriptRecord bsr = GetBaseScriptRecord(i);
if (bsr.BaseScriptOffset + m_offsetBaseScriptListTable > m_bufTable.GetLength())
{
v.Error(T.T_NULL, E.BASE_E_BaseScriptList_Offset, table.m_tag, sIdentity + ", index = " + i);
bOffsetsOk = false;
bRet = false;
}
}
if (bOffsetsOk)
{
v.Pass(T.T_NULL, P.BASE_P_BaseScriptList_Offset, table.m_tag, sIdentity);
}
for (uint i = 0; i < BaseScriptCount; i++)
{
BaseScriptRecord bsr = GetBaseScriptRecord(i);
BaseScriptTable_val bst = GetBaseScriptTable_val(bsr);
bst.Validate(v, sIdentity + ", BaseScriptRecord[" + i + "](" + bsr.BaseScriptTag + ")", table);
}
return(bRet);
}
public BaseScriptTable_val GetBaseScriptTable_val(BaseScriptRecord bsr)
{
BaseScriptTable_val bst = null;
if (bsr != null)
{
ushort offset = (ushort)(m_offsetBaseScriptListTable + bsr.BaseScriptOffset);
bst = new BaseScriptTable_val(offset, m_bufTable);
}
return(bst);
}
public BaseScriptRecord GetBaseScriptRecord(uint i)
{
BaseScriptRecord bsr = null;
if (i < BaseScriptCount)
{
uint sizeofRecord = 6;
uint offsetRecord = m_offsetBaseScriptListTable + (uint)FieldOffsets.BaseScriptRecordArray + i * sizeofRecord;
bsr = new BaseScriptRecord((ushort)offsetRecord, m_bufTable);
}
return(bsr);
}
static BaseScript[] ReadBaseScriptList(BinaryReader reader)
{
//BaseScriptList Table
//The BaseScriptList table identifies all scripts in the font that are rendered in the same layout direction.
//If a script is not listed here, then
//the text-processing client will render the script using the layout information specified for the entire font.
//For each script listed in the BaseScriptList table,
//a BaseScriptRecord must be defined that identifies the script and references its layout data.
//BaseScriptRecords are stored in the baseScriptRecords array, ordered alphabetically by the baseScriptTag in each record.
//The baseScriptCount specifies the total number of BaseScriptRecords in the array.
//BaseScriptList table
//Type Name Description
//uint16 baseScriptCount Number of BaseScriptRecords defined
//BaseScriptRecord baseScriptRecords[baseScriptCount] Array of BaseScriptRecords, in alphabetical order by baseScriptTag
long baseScriptListStartAt = reader.BaseStream.Position;
ushort baseScriptCount = reader.ReadUInt16();
BaseScriptRecord[] baseScriptRecord_offsets = new BaseScriptRecord[baseScriptCount];
for (int i = 0; i < baseScriptCount; ++i)
{
//BaseScriptRecord
//A BaseScriptRecord contains a script identification tag (baseScriptTag),
//which must be identical to the ScriptTag used to define the script in the ScriptList of a GSUB or GPOS table.
//Each record also must include an offset to a BaseScript table that defines the baseline and min/max extent data for the script.
//BaseScriptRecord
//Type Name Description
//Tag baseScriptTag 4-byte script identification tag
//Offset16 baseScriptOffset Offset to BaseScript table, from beginning of BaseScriptList
baseScriptRecord_offsets[i] = new BaseScriptRecord(ConvertToTagString(reader.ReadBytes(4)), reader.ReadUInt16());
}
BaseScript[] baseScripts = new BaseScript[baseScriptCount];
for (int i = 0; i < baseScriptCount; ++i)
{
BaseScriptRecord baseScriptRecord = baseScriptRecord_offsets[i];
reader.BaseStream.Position = baseScriptListStartAt + baseScriptRecord.baseScriptOffset;
//
BaseScript baseScipt = ReadBaseScriptTable(reader);
baseScipt.ScriptIdenTag = baseScriptRecord.baseScriptTag;
baseScripts[i] = baseScipt;
}
return(baseScripts);
}
public BaseScriptTable GetBaseScriptTable(BaseScriptRecord bsr)
{
BaseScriptTable bst = null;
if (bsr != null)
{
ushort offset = (ushort)(m_offsetBaseScriptListTable + bsr.BaseScriptOffset);
bst = new BaseScriptTable(offset, m_bufTable);
}
return bst;
}
public BaseScriptRecord GetBaseScriptRecord(uint i)
{
BaseScriptRecord bsr = null;
if (i < BaseScriptCount)
{
uint sizeofRecord = 6;
uint offsetRecord = m_offsetBaseScriptListTable + (uint)FieldOffsets.BaseScriptRecordArray + i*sizeofRecord;
bsr = new BaseScriptRecord((ushort)offsetRecord, m_bufTable);
}
return bsr;
}
