Inheritance diagram for ITextStrand:

Public Types
enum	{ kDefaultIID = IID_ITEXTSTRAND }

Public Member Functions
virtual DataWrapper< textchar >	FindChunk (TextIndex begin, int32 len, TextIndex chunkstart=nil)=0

Public Member Functions inherited from IPMUnknown
virtual IPMUnknown *	QueryInterface (PMIID interfaceID) const =0

virtual void	AddRef () const =0

virtual void	Release () const =0

Detailed Description

Abstract interface that all textstrands must implement.

Member Function Documentation

virtual DataWrapper<textchar> ITextStrand::FindChunk	(	TextIndex	begin,
		int32 *	len,
		TextIndex *	chunkstart = `nil`
	)

pure virtual

Find the contiguous chunk of text stored in the strand (text in strand may be fragmented).

Parameters

begin	IN position to look at.
len	OUT number of characters from offset
begin	IN to the end of the chunk.
chukstart	OUT is the text index where the chunk starts.

Returns: DataWrapper is a reference to the contiguous text chunk which allows iteration over the text one character at a time. Using index 0 gives the character which happens to be at offset begin in the story.