/// <summary>
/// Parses the given StreamReader to retrieve a LVL struct
/// </summary>
/// <param name="bytes"></param>
public ListLevel(VirtualStreamReader reader, int length)
: base(reader, length)
{
long startPos = this._reader.BaseStream.Position;
//parse the fix part
this.iStartAt = this._reader.ReadInt32();
this.nfc = this._reader.ReadByte();
int flag = this._reader.ReadByte();
this.jc = (byte)(flag & 0x03);
this.fLegal = Utils.BitmaskToBool(flag, 0x04);
this.fNoRestart = Utils.BitmaskToBool(flag, 0x08);
this.fPrev = Utils.BitmaskToBool(flag, 0x10);
this.fPrevSpace = Utils.BitmaskToBool(flag, 0x20);
this.fWord6 = Utils.BitmaskToBool(flag, 0x40);
this.rgbxchNums = new byte[9];
for (int i = 0; i < 9; i++)
{
this.rgbxchNums[i] = this._reader.ReadByte();
}
this.ixchFollow = (FollowingChar)this._reader.ReadByte();
this.dxaSpace = this._reader.ReadInt32();
this.dxaIndent = this._reader.ReadInt32();
this.cbGrpprlChpx = this._reader.ReadByte();
this.cbGrpprlPapx = this._reader.ReadByte();
this.ilvlRestartLim = this._reader.ReadByte();
this.grfhic = this._reader.ReadByte();
//parse the variable part
//read the group of papx sprms
//this papx has no istd, so use PX to parse it
var px = new PropertyExceptions(this._reader.ReadBytes(this.cbGrpprlPapx));
this.grpprlPapx = new ParagraphPropertyExceptions
{
grpprl = px.grpprl
};
//read the group of chpx sprms
this.grpprlChpx = new CharacterPropertyExceptions(this._reader.ReadBytes(this.cbGrpprlChpx));
//read the number text
short strLen = this._reader.ReadInt16();
this.xst = Encoding.Unicode.GetString(this._reader.ReadBytes(strLen * 2));
long endPos = this._reader.BaseStream.Position;
this._reader.BaseStream.Seek(startPos, System.IO.SeekOrigin.Begin);
this._rawBytes = this._reader.ReadBytes((int)(endPos - startPos));
}
public NilPicfAndBinData(CharacterPropertyExceptions chpx, VirtualStream dataStream)
{
//Get start of the NilPicfAndBinData structure
int fc = PictureDescriptor.GetFcPic(chpx);
if (fc >= 0)
{
parse(dataStream, fc);
}
}
/// <summary>
/// Parses the CHPX for a fcPic an loads the PictureDescriptor at this offset
/// </summary>
/// <param name="chpx">The CHPX that holds a SPRM for fcPic</param>
public PictureDescriptor(CharacterPropertyExceptions chpx, VirtualStream stream)
{
//Get start and length of the PICT
int fc = GetFcPic(chpx);
if (fc >= 0)
{
parse(stream, fc);
}
}
private int getIsdt(CharacterPropertyExceptions chpx)
{
int ret = 10; //default value for istd
foreach (var sprm in chpx.grpprl)
{
if (sprm.OpCode == SinglePropertyModifier.OperationCode.sprmCIstd)
{
ret = (int)System.BitConverter.ToInt16(sprm.Arguments, 0);
break;
}
}
return(ret);
}
/// <summary>
/// Returns the fcPic into the "data" stream, where the PIC begins.
/// Returns -1 if the CHPX has no fcPic.
/// </summary>
/// <param name="chpx">The CHPX</param>
/// <returns></returns>
public static int GetFcPic(CharacterPropertyExceptions chpx)
{
int ret = -1;
foreach (var sprm in chpx.grpprl)
{
switch (sprm.OpCode)
{
case SinglePropertyModifier.OperationCode.sprmCPicLocation:
ret = System.BitConverter.ToInt32(sprm.Arguments, 0);
break;
case SinglePropertyModifier.OperationCode.sprmCHsp:
ret = System.BitConverter.ToInt32(sprm.Arguments, 0);
break;
case SinglePropertyModifier.OperationCode.sprmCFData:
break;
}
}
return(ret);
}
/// <summary>
/// Builds a CHP based on a CHPX
/// </summary>
/// <param name="styles">The stylesheet</param>
/// <param name="chpx">The CHPX</param>
public CharacterProperties(CharacterPropertyExceptions chpx, ParagraphPropertyExceptions parentPapx, WordDocument parentDocument)
{
setDefaultValues();
//get all CHPX in the hierarchy
var chpxHierarchy = new List <CharacterPropertyExceptions>();
chpxHierarchy.Add(chpx);
//add parent character styles
buildHierarchy(chpxHierarchy, parentDocument.Styles, (ushort)getIsdt(chpx));
//add parent paragraph styles
buildHierarchy(chpxHierarchy, parentDocument.Styles, parentPapx.istd);
chpxHierarchy.Reverse();
//apply the CHPX hierarchy to this CHP
foreach (var c in chpxHierarchy)
{
applyChpx(c, parentDocument);
}
}
/// <summary>
/// Parses the bytes to retrieve a StyleSheetDescription
/// </summary>
/// <param name="bytes">The bytes</param>
/// <param name="cbStdBase"></param>
/// <param name="dataStream">The "Data" stream (optional, can be null)</param>
public StyleSheetDescription(byte[] bytes, int cbStdBase, VirtualStream dataStream)
{
var bits = new BitArray(bytes);
//parsing the base (fix part)
if (cbStdBase >= 2)
{
//sti
var stiBits = Utils.BitArrayCopy(bits, 0, 12);
this.sti = (StyleIdentifier)Utils.BitArrayToUInt32(stiBits);
//flags
this.fScratch = bits[12];
this.fInvalHeight = bits[13];
this.fHasUpe = bits[14];
this.fMassCopy = bits[15];
}
if (cbStdBase >= 4)
{
//stk
var stkBits = Utils.BitArrayCopy(bits, 16, 4);
this.stk = (StyleKind)Utils.BitArrayToUInt32(stkBits);
//istdBase
var istdBits = Utils.BitArrayCopy(bits, 20, 12);
this.istdBase = (uint)Utils.BitArrayToUInt32(istdBits);
}
if (cbStdBase >= 6)
{
//cupx
var cupxBits = Utils.BitArrayCopy(bits, 32, 4);
this.cupx = (ushort)Utils.BitArrayToUInt32(cupxBits);
//istdNext
var istdNextBits = Utils.BitArrayCopy(bits, 36, 12);
this.istdNext = (uint)Utils.BitArrayToUInt32(istdNextBits);
}
if (cbStdBase >= 8)
{
//bchUpe
var bchBits = Utils.BitArrayCopy(bits, 48, 16);
this.bchUpe = (ushort)Utils.BitArrayToUInt32(bchBits);
}
if (cbStdBase >= 10)
{
//flags
this.fAutoRedef = bits[64];
this.fHidden = bits[65];
this.f97LidsSet = bits[66];
this.fCopyLang = bits[67];
this.fPersonalCompose = bits[68];
this.fPersonalReply = bits[69];
this.fPersonal = bits[70];
this.fNoHtmlExport = bits[71];
this.fSemiHidden = bits[72];
this.fLocked = bits[73];
this.fInternalUse = bits[74];
}
if (cbStdBase >= 12)
{
//istdLink
var istdLinkBits = Utils.BitArrayCopy(bits, 80, 12);
this.istdLink = (uint)Utils.BitArrayToUInt32(istdLinkBits);
//fHasOriginalStyle
this.fHasOriginalStyle = bits[92];
}
if (cbStdBase >= 16)
{
//rsid
var rsidBits = Utils.BitArrayCopy(bits, 96, 32);
this.rsid = Utils.BitArrayToUInt32(rsidBits);
}
//parsing the variable part
//xstz
byte characterCount = bytes[cbStdBase];
//characters are zero-terminated, so 1 char has 2 bytes:
var name = new byte[characterCount * 2];
Array.Copy(bytes, cbStdBase + 2, name, 0, name.Length);
//remove zero-termination
this.xstzName = Encoding.Unicode.GetString(name);
//parse the UPX structs
int upxOffset = cbStdBase + 1 + (characterCount * 2) + 2;
for (int i = 0; i < this.cupx; i++)
{
//find the next even byte border
if (upxOffset % 2 != 0)
{
upxOffset++;
}
//get the count of bytes for UPX
ushort cbUPX = System.BitConverter.ToUInt16(bytes, upxOffset);
if (cbUPX > 0)
{
//copy the bytes
var upxBytes = new byte[cbUPX];
Array.Copy(bytes, upxOffset + 2, upxBytes, 0, upxBytes.Length);
if (this.stk == StyleKind.table)
{
//first upx is TAPX; second PAPX, third CHPX
switch (i)
{
case 0:
this.tapx = new TablePropertyExceptions(upxBytes);
break;
case 1:
this.papx = new ParagraphPropertyExceptions(upxBytes, dataStream);
break;
case 2:
this.chpx = new CharacterPropertyExceptions(upxBytes);
break;
}
}
else if (this.stk == StyleKind.paragraph)
{
//first upx is PAPX, second CHPX
switch (i)
{
case 0:
this.papx = new ParagraphPropertyExceptions(upxBytes, dataStream);
break;
case 1:
this.chpx = new CharacterPropertyExceptions(upxBytes);
break;
}
}
else if (this.stk == StyleKind.list)
{
//list styles have only one PAPX
switch (i)
{
case 0: this.papx = new ParagraphPropertyExceptions(upxBytes, dataStream); break;
}
}
else if (this.stk == StyleKind.character)
{
//character styles have only one CHPX
switch (i)
{
case 0: this.chpx = new CharacterPropertyExceptions(upxBytes); break;
}
}
}
//increase the offset for the next run
upxOffset += (2 + cbUPX);
}
}
