/**
* Create a new Character TextPropCollection, and add it to the list
* @param charactersCovered The number of characters this TextPropCollection will cover
* @return the new TextPropCollection, which will then be in the list
*/
public TextPropCollection AddCharacterTextPropCollection(int charactersCovered)
{
TextPropCollection tpc = new TextPropCollection(charactersCovered);
charStyles.Add(tpc);
return(tpc);
}
/**
* Create a new Paragraph TextPropCollection, and add it to the list
* @param charactersCovered The number of characters this TextPropCollection will cover
* @return the new TextPropCollection, which will then be in the list
*/
public TextPropCollection AddParagraphTextPropCollection(int charactersCovered)
{
TextPropCollection tpc = new TextPropCollection(charactersCovered, (short)0);
paragraphStyles.Add(tpc);
return(tpc);
}
/**
* Updates the cache of the raw contents. Serialised the styles out.
*/
private void updateRawContents()
{
if (!Initialised)
{
// We haven't groked the styles since creation, so just stick
// with what we found
return;
}
MemoryStream baos = new MemoryStream();
// First up, we need to serialise the paragraph properties
for (int i = 0; i < paragraphStyles.Count; i++)
{
TextPropCollection tpc = paragraphStyles[i];
tpc.WriteOut(baos);
}
// Now, we do the character ones
for (int i = 0; i < charStyles.Count; i++)
{
TextPropCollection tpc = charStyles[i];
tpc.WriteOut(baos);
}
rawContents = baos.ToArray();
}
/**
* A new Set of text style properties for some text without any.
*/
public StyleTextPropAtom(int parentTextSize)
{
_header = new byte[8];
rawContents = new byte[0];
reserved = new byte[0];
// Set our type
LittleEndian.PutInt(_header, 2, (short)_type);
// Our Initial size is 10
LittleEndian.PutInt(_header, 4, 10);
// Set empty paragraph and character styles
paragraphStyles = new List <TextPropCollection>();
charStyles = new List <TextPropCollection>();
TextPropCollection defaultParagraphTextProps =
new TextPropCollection(parentTextSize, (short)0);
paragraphStyles.Add(defaultParagraphTextProps);
TextPropCollection defaultCharacterTextProps =
new TextPropCollection(parentTextSize);
charStyles.Add(defaultCharacterTextProps);
// Set us as now Initialised
Initialised = true;
}
/**
* Tell us how much text the parent TextCharsAtom or TextBytesAtom
* Contains, so we can go ahead and Initialise ourselves.
*/
public void SetParentTextSize(int size)
{
int pos = 0;
int textHandled = 0;
// While we have text in need of paragraph stylings, go ahead and
// grok the contents as paragraph formatting data
int prsize = size;
while (pos < rawContents.Length && textHandled < prsize)
{
// First up, fetch the number of characters this applies to
int textLen = LittleEndian.GetInt(rawContents, pos);
textHandled += textLen;
pos += 4;
short indent = LittleEndian.GetShort(rawContents, pos);
pos += 2;
// Grab the 4 byte value that tells us what properties follow
int paraFlags = LittleEndian.GetInt(rawContents, pos);
pos += 4;
// Now make sense of those properties
TextPropCollection thisCollection = new TextPropCollection(textLen, indent);
int plSize = thisCollection.BuildTextPropList(
paraFlags, paragraphTextPropTypes, rawContents, pos);
pos += plSize;
// Save this properties Set
paragraphStyles.Add(thisCollection);
// Handle extra 1 paragraph styles at the end
if (pos < rawContents.Length && textHandled == size)
{
prsize++;
}
}
if (rawContents.Length > 0 && textHandled != (size + 1))
{
logger.Log(POILogger.WARN, "Problem Reading paragraph style Runs: textHandled = " + textHandled + ", text.size+1 = " + (size + 1));
}
// Now do the character stylings
textHandled = 0;
int chsize = size;
while (pos < rawContents.Length && textHandled < chsize)
{
// First up, fetch the number of characters this applies to
int textLen = LittleEndian.GetInt(rawContents, pos);
textHandled += textLen;
pos += 4;
// There is no 2 byte value
short no_val = -1;
// Grab the 4 byte value that tells us what properties follow
int charFlags = LittleEndian.GetInt(rawContents, pos);
pos += 4;
// Now make sense of those properties
// (Assuming we actually have some)
TextPropCollection thisCollection = new TextPropCollection(textLen, no_val);
int chSize = thisCollection.BuildTextPropList(
charFlags, characterTextPropTypes, rawContents, pos);
pos += chSize;
// Save this properties Set
charStyles.Add(thisCollection);
// Handle extra 1 char styles at the end
if (pos < rawContents.Length && textHandled == size)
{
chsize++;
}
}
if (rawContents.Length > 0 && textHandled != (size + 1))
{
logger.Log(POILogger.WARN, "Problem Reading character style Runs: textHandled = " + textHandled + ", text.size+1 = " + (size + 1));
}
// Handle anything left over
if (pos < rawContents.Length)
{
reserved = new byte[rawContents.Length - pos];
Array.Copy(rawContents, pos, reserved, 0, reserved.Length);
}
Initialised = true;
}