phing-filters
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Class: TailFilter

Source Location: /filters/TailFilter.php

Class Overview

Reader
   |
   --FilterReader
      |
      --BaseFilterReader
         |
         --BaseParamFilterReader
            |
            --TailFilter

Reads the last
  1. n
lines of a stream. (Default is last10 lines.)


Author(s):

Version:

  • $Revision: 526 $

Copyright:

  • © 2003 seasonfive. All rights reserved

Implements interfaces:

Constants

Methods


Inherited Variables

Inherited Methods

Class: BaseParamFilterReader

BaseParamFilterReader::getParameters()
BaseParamFilterReader::setParameters()

Class: BaseFilterReader

BaseFilterReader::__construct()
Constructor used by Phing's introspection mechanism.
BaseFilterReader::eof()
Returns whether the end of file has been reached with input stream.
BaseFilterReader::getInitialized()
Returns the initialized status.
BaseFilterReader::getProject()
Returns the project this filter is part of.
BaseFilterReader::log()
Convenience method to support logging in filters.
BaseFilterReader::read()
Reads characters.
BaseFilterReader::readLine()
Reads a line of text ending with '\n' (or until the end of the stream).
BaseFilterReader::setInitialized()
Sets the initialized status.
BaseFilterReader::setProject()
Sets the project to work with.

Class: FilterReader

FilterReader::__construct()
FilterReader::close()
FilterReader::getResource()
FilterReader::read()
Read data from source.
FilterReader::reset()
FilterReader::setReader()
FilterReader::skip()

Class: Reader

Reader::close()
Close stream.
Reader::getResource()
Returns the filename, url, etc. that is being read from.
Reader::mark()
If supported, places a "marker" (like a bookmark) at current stream position.
Reader::markSupported()
Whether marking is supported.
Reader::read()
Read data from source.
Reader::ready()
Is stream ready for reading.
Reader::reset()
Reset the current position in stream to beginning or last mark (if supported).
Reader::skip()
Move stream position relative to current pos.

Class Details

[line 45]
Reads the last
  1. n
lines of a stream. (Default is last10 lines.)

Example:

Or:


   
 




Tags:

author:  hans lellelid, hans@velum.net
author:  <href="mailto:yl@seasonfive.com" a href="mailto:yl@seasonfive.com">Yannick Lecaillez</a>
version:  $Revision: 526 $
copyright:  © 2003 seasonfive. All rights reserved
see:  BaseParamFilterReader


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Class Methods


method chain [line 132]

object A chain( $reader)

Creates a new TailFilter using the passed in Reader for instantiation.



Tags:

return:  new filter based on this configuration, but filtering the specified reader.



Implementation of:
ChainableReader::chain()
Returns a reader with the same configuration as this one, but filtering input from the specified reader.

Parameters:

object A   $reader   Reader object providing the underlying stream. Must not be
  1. null
.

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method getLines [line 118]

integer getLines( )

Returns the number of lines to be returned in the filtered stream.



Tags:

return:  The number of lines to be returned in the filtered stream.


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method read [line 71]

mixed read( [int $len = null])

Returns the last n lines of a file.



Tags:

return:  The filtered buffer or -1 if EOF.


Overrides BaseFilterReader::read() (Reads characters.)

Parameters:

int   $len   Num chars to read.

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method setLines [line 109]

void setLines( integer $lines)

Sets the number of lines to be returned in the filtered stream.



Parameters:

integer   $lines   the number of lines to be returned in the filtered stream.

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Class Constants

LINES_KEY =  "lines"

[line 51]

Parameter name for the number of lines to be returned.


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Documentation generated on Mon, 19 Oct 2009 10:52:10 +0200 by phpDocumentor 1.4.3