//
// The point of heavy use of callbacks is that we want to
// do everything here so that the report comes out the same,
// regardless of the program running the validator.
//
// All questions of file names, temporary file cleanup,
// and decisions about what to show when should be handled
// by the calling code.
//
private int ValidateFont(Validator v, string fpath, SafeFileHandle hFile, int i, int n)
{
string sReportFile = "";
OTFileVal fontFile;
int ret = 0;
// create a FontFile Object
fontFile = new OTFileVal(v);
m_callbacks.OnOTFileValChange(fontFile);
// open the report file
sReportFile = m_callbacks.GetReportFileName(fpath);
OpenXmlReportFile(sReportFile, fpath);
m_callbacks.OnOpenReportFile(sReportFile, fpath);
// open the font file and validate it
#if !OLD_INTERFACE
bool isvalid = (hFile == null) ? fontFile.open(fpath) : fontFile.open(hFile);
#else
bool isvalid = fontFile.open(fpath);
#endif
//if the font file is invalid, we just do not go on with validation and output the results
//this apparently fixed a lot of bugs (1231, 1429, 934, 1335)
//Check if the sample font files are really invalid
if (isvalid)
{
m_callbacks.OnBeginFontTest(fpath, i, n);
#if !OLD_INTERFACE
if (!fontFile.Validate())
{
ret = 1;
}
#else
fontFile.Validate();
#endif
fontFile.close();
}
else
{
ret = 1;
}
fontFile = null;
m_callbacks.OnOTFileValChange(fontFile);
CloseXmlReportFile();
m_callbacks.OnCloseReportFile(sReportFile);
return(ret);
}
/******************
* protected methods
*/
protected static OffsetTable ReadOffsetTable(OTFileVal file, uint filepos)
{
// read the Offset Table from the file
Validator v = file.GetValidator();
const int SIZEOF_OFFSETTABLE = 12;
OffsetTable ot = null;
// read the offset table
MBOBuffer buf = file.ReadPaddedBuffer(filepos, SIZEOF_OFFSETTABLE);
if (buf != null)
{
if (OTFile.IsValidSfntVersion(buf.GetUint(0)))
{
ot = new OffsetTable(buf);
}
else
{
v.Error(T.T_NULL, E._OFFSET_E_InvalidSFNT, null, "0x" + buf.GetUint(0).ToString("x8"));
}
}
// now read the directory entries
if (ot != null)
{
const int SIZEOF_DIRECTORYENTRY = 16;
for (int i = 0; i < ot.numTables; i++)
{
uint dirFilePos = (uint)(filepos + SIZEOF_OFFSETTABLE + i * SIZEOF_DIRECTORYENTRY);
MBOBuffer DirEntBuf = file.ReadPaddedBuffer(dirFilePos, SIZEOF_DIRECTORYENTRY);
if (DirEntBuf != null)
{
DirectoryEntry de = new DirectoryEntry();
de.tag = new OTTag(DirEntBuf.GetBuffer());
de.checkSum = DirEntBuf.GetUint(4);
de.offset = DirEntBuf.GetUint(8);
de.length = DirEntBuf.GetUint(12);
ot.DirectoryEntries.Add(de);
if (de.offset > file.GetFileLength())
{
v.Error(T.T_NULL, E._DE_E_OffsetPastEOF, de.tag, "0x" + de.offset.ToString("x8"));
}
}
else
{
break;
}
}
}
return(ot);
}
public void OnOTFileValChange( OTFileVal fontFile ){
}
public void OnOTFileValChange( OTFileVal fontFile )
{
m_curOTFileVal = fontFile;
}
/******************
* protected methods
*/
protected static OffsetTable ReadOffsetTable(OTFileVal file, uint filepos)
{
// read the Offset Table from the file
Validator v = file.GetValidator();
const int SIZEOF_OFFSETTABLE = 12;
OffsetTable ot = null;
// read the offset table
MBOBuffer buf = file.ReadPaddedBuffer(filepos, SIZEOF_OFFSETTABLE);
if (buf != null)
{
if (OTFile.IsValidSfntVersion(buf.GetUint(0)))
{
ot = new OffsetTable(buf);
}
else
{
v.Error(T.T_NULL, E._OFFSET_E_InvalidSFNT, null, "0x"+buf.GetUint(0).ToString("x8"));
}
}
// now read the directory entries
if (ot != null)
{
const int SIZEOF_DIRECTORYENTRY = 16;
for (int i=0; i<ot.numTables; i++)
{
uint dirFilePos = (uint)(filepos+SIZEOF_OFFSETTABLE+i*SIZEOF_DIRECTORYENTRY);
MBOBuffer DirEntBuf = file.ReadPaddedBuffer(dirFilePos, SIZEOF_DIRECTORYENTRY);
if (DirEntBuf != null)
{
DirectoryEntry de = new DirectoryEntry();
de.tag = new OTTag(DirEntBuf.GetBuffer());
de.checkSum = DirEntBuf.GetUint(4);
de.offset = DirEntBuf.GetUint(8);
de.length = DirEntBuf.GetUint(12);
ot.DirectoryEntries.Add(de);
if (de.offset > file.GetFileLength())
{
v.Error(T.T_NULL, E._DE_E_OffsetPastEOF, de.tag, "0x"+de.offset.ToString("x8"));
}
}
else
{
break;
}
}
}
return ot;
}
//
// The point of heavy use of callbacks is that we want to
// do everything here so that the report comes out the same,
// regardless of the program running the validator.
//
// All questions of file names, temporary file cleanup,
// and decisions about what to show when should be handled
// by the calling code.
//
private int ValidateFont(Validator v, string fpath, SafeFileHandle hFile,int i,int n)
{
string sReportFile = "";
OTFileVal fontFile;
int ret = 0;
// create a FontFile Object
fontFile = new OTFileVal(v);
m_callbacks.OnOTFileValChange(fontFile);
// open the report file
sReportFile = m_callbacks.GetReportFileName(fpath);
OpenXmlReportFile(sReportFile, fpath);
m_callbacks.OnOpenReportFile(sReportFile, fpath);
// open the font file and validate it
bool isvalid = (hFile == null) ? fontFile.open(fpath) : fontFile.open(hFile);
//if the font file is invalid, we just do not go on with validation and output the results
//this apparently fixed a lot of bugs (1231, 1429, 934, 1335)
//Check if the sample font files are really invalid
if (isvalid)
{
m_callbacks.OnBeginFontTest(fpath, i, n);
if (!fontFile.Validate())
{
ret = 1;
}
fontFile.close();
}
else
{
ret = 1;
}
fontFile = null;
m_callbacks.OnOTFileValChange(fontFile);
CloseXmlReportFile();
m_callbacks.OnCloseReportFile(sReportFile);
return ret;
}
/*
* PROPERTIES
*/
/*
* public OTFile FileFont
* {
* get {return this.font.GetFile();}
* }
*/
/*
* METHODS: I_IOGLYPHS
*/
public bool Initialize(Object source,
DIAction dia)
{
/*
* ASSUMPTION: source is either
* - OTFont or
* - NameFileFont
*/
this.m_validator = new Validator();
this.m_validator.DIA = dia;
this.m_font = source as OTFont;
if (this.m_font == null)
{
string nameFileFont = source as string;
if (nameFileFont != null)
{
Validator validatorDummy = new Validator();
OTFileVal file = new OTFileVal(validatorDummy);
if (!file.open(nameFileFont))
{
this.m_validator.Error(T.T_NULL,
E.glyf_E_UnableToStartValidation,
(OTTag)"glyf",
"Unable to open font file " + nameFileFont);
this.Clear();
return(false);
}
this.m_toCloseFileOnClear = true;
try
{
this.m_font = file.GetFont(0);
}
catch
{
this.m_validator.Error(T.T_NULL,
E.glyf_E_UnableToStartValidation,
(OTTag)"glyf",
"Unable to get font from the file" + nameFileFont);
this.Clear();
return(false);
}
}
}
this.m_tableGlyf = (val_glyf)this.m_font.GetTable("glyf");
if (this.m_tableGlyf == null)
{
this.m_validator.Error(T.T_NULL,
E.glyf_E_UnableToStartValidation,
(OTTag)"glyf",
"Missing table: glyf");
this.Clear();
return(false);
}
this.m_tableLoca = (val_loca)this.m_font.GetTable("loca");
if (this.m_tableLoca == null)
{
this.m_validator.Error(T.T_NULL,
E.glyf_E_UnableToStartValidation,
(OTTag)"glyf",
"Missing table: loca");
this.Clear();
return(false);
}
if (!this.m_tableLoca.ValidateFormat(m_validator, this.m_font))
{
this.m_validator.Error(T.T_NULL,
E.glyf_E_UnableToStartValidation,
(OTTag)"glyf",
"Table 'loca' has incorrect format");
this.Clear();
return(false);
}
if (!this.m_tableLoca.ValidateNumEntries(null, this.m_font))
{
this.m_validator.Error(T.T_NULL,
E.glyf_E_UnableToStartValidation,
(OTTag)"glyf",
"Table 'loca' has incorrect number of entries");
this.Clear();
return(false);
}
this.m_numGlyph = this.m_tableLoca.NumEntry(this.m_font) - 1;
return(true);
}
/*
* PROPERTIES
*/
/*
public OTFile FileFont
{
get {return this.font.GetFile();}
}
*/
/*
* METHODS: I_IOGLYPHS
*/
public bool Initialize(Object source,
DIAction dia)
{
/*
* ASSUMPTION: source is either
* - OTFont or
* - NameFileFont
*/
this.m_validator=new Validator();
this.m_validator.DIA=dia;
this.m_font=source as OTFont;
if (this.m_font==null)
{
string nameFileFont=source as string;
if (nameFileFont!=null)
{
Validator validatorDummy=new Validator();
OTFileVal file = new OTFileVal(validatorDummy);
if (!file.open(nameFileFont))
{
this.m_validator.Error(T.T_NULL,
E.glyf_E_UnableToStartValidation,
(OTTag)"glyf",
"Unable to open font file "+nameFileFont);
this.Clear();
return false;
}
this.m_toCloseFileOnClear=true;
try
{
this.m_font=file.GetFont(0);
}
catch
{
this.m_validator.Error(T.T_NULL,
E.glyf_E_UnableToStartValidation,
(OTTag)"glyf",
"Unable to get font from the file"+nameFileFont);
this.Clear();
return false;
}
}
}
this.m_tableGlyf=(val_glyf)this.m_font.GetTable("glyf");
if (this.m_tableGlyf==null)
{
this.m_validator.Error(T.T_NULL,
E.glyf_E_UnableToStartValidation,
(OTTag)"glyf",
"Missing table: glyf");
this.Clear();
return false;
}
this.m_tableLoca=(val_loca)this.m_font.GetTable("loca");
if (this.m_tableLoca==null)
{
this.m_validator.Error(T.T_NULL,
E.glyf_E_UnableToStartValidation,
(OTTag)"glyf",
"Missing table: loca");
this.Clear();
return false;
}
if (!this.m_tableLoca.ValidateFormat(m_validator, this.m_font))
{
this.m_validator.Error(T.T_NULL,
E.glyf_E_UnableToStartValidation,
(OTTag)"glyf",
"Table 'loca' has incorrect format");
this.Clear();
return false;
}
if (!this.m_tableLoca.ValidateNumEntries(null,this.m_font))
{
this.m_validator.Error(T.T_NULL,
E.glyf_E_UnableToStartValidation,
(OTTag)"glyf",
"Table 'loca' has incorrect number of entries");
this.Clear();
return false;
}
this.m_numGlyph=this.m_tableLoca.NumEntry(this.m_font)-1;
return true;
}
public void OnOTFileValChange(OTFileVal fontFile)
{
}
