- Adopted by:
- DBZipFile, DFile, DGZipFile, DText
- Declared in:
- DTextReadable.h
Protocol Description
The DTextReadable protocol specifies the interface for reading of text from
a class implementing this interface.
- Last modified:
- 10-Sep-2003 (DTextReadable.h)
Method Index
- - (int) error
- Return the last error
- Returns:
- the last error (or 0)
- - (BOOL) isEof
- Is the end of the readable reached ?
- Returns:
- is it?
- - (char) readChar
- Read a character
- Returns:
- the character read
- - (DText *) readLine
- Read a line of text (till Eof or \n)
- Returns:
- a (new) text string
- - (DText *) readText
- Read text string (all available text)
- Returns:
- a (new) text string
- - (DText *) readText :(long) length
- Read text string
- Parameters:
- length - the length of the text to be read
- Returns:
- a (new) text string
- - (BOOL) seek :(unsigned long) offset :(int) origin
- Move the current position in the readable
- Parameters:
- offset - the offset from the origin (in bytes)
origin - the origin for the offset (0=begin, 1=current, 2=end)
- Returns:
- success
- - (BOOL) skip :(unsigned long) offset
- Skip a number of positions
- Parameters:
- offset - the number of bytes to skip
- Returns:
- success
- - (unsigned long) tell
- Tell the current position in the readable
- Returns:
- the current position
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