Pdf/FileParserDataSource/File.php
Zend Framework
LICENSE
This source file is subject to the new BSD license that is bundled with this package in the file LICENSE.txt. It is also available through the world-wide-web at this URL: http://framework.zend.com/license/new-bsd If you did not receive a copy of the license and are unable to obtain it through the world-wide-web, please send an email to [email protected] so we can send you a copy immediately.
- Category
- Zend
- Copyright
- Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
- Package
- Zend_Pdf
- Subpackage
- FileParser
- Version
- $Id: File.php 24593 2012-01-05 20:35:02Z matthew $
\Zend_Pdf_FileParserDataSource_File
Concrete subclass of {@link Zend_Pdf_FileParserDataSource} that provides an interface to filesystem objects.
Note that this class cannot be used for other sources that may be supported by fopen() (through URL wrappers). It may be used for local filesystem objects only.
- Parent(s)
- \Zend_Pdf_FileParserDataSource
- Copyright
- Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
Properties


integer $_offset = 0
Byte offset of the current read position within the data source.
Inherited from: \Zend_Pdf_FileParserDataSource::$$_offset0
Details- Type
- integer
- Inherited_from
- \Zend_Pdf_FileParserDataSource::$$_offset


integer $_size = 0
Total size in bytes of the data source.
Inherited from: \Zend_Pdf_FileParserDataSource::$$_size0
Details- Type
- integer
- Inherited_from
- \Zend_Pdf_FileParserDataSource::$$_size
Methods


__construct(string $filePath) : void
Object constructor.
Validates the path to the file, ensures that it is readable, then opens it for reading.
Throws an exception if the file is missing or cannot be opened.
Name | Type | Description |
---|---|---|
$filePath | string | Fully-qualified path to the file. |
Exception | Description |
---|---|
\Zend_Pdf_Exception |


__toString() : string
Returns the full filesystem path of the file.
Subclasses should override this method to provide a more specific description of the actual object being represented.
Type | Description |
---|---|
string |


getOffset() : integer
Returns the byte offset of the current read position within the data source.
Inherited from: \Zend_Pdf_FileParserDataSource::getOffset()Type | Description |
---|---|
integer |


getSize() : integer
Returns the total size in bytes of the data source.
Inherited from: \Zend_Pdf_FileParserDataSource::getSize()Type | Description |
---|---|
integer |


moveToOffset(integer $offset) : void
Seeks the file read position to the specified byte offset.
Throws an exception if the file pointer cannot be moved or if it is moved beyond EOF (end of file).
Name | Type | Description |
---|---|---|
$offset | integer | Destination byte offset. |
Exception | Description |
---|---|
\Zend_Pdf_Exception |


readAllBytes() : string
Returns the entire contents of the file as a string.
Preserves the current file seek position.
Type | Description |
---|---|
string |


readBytes(integer $byteCount) : string
Returns the specified number of raw bytes from the file at the byte offset of the current read position.
Advances the read position by the number of bytes read.
Throws an exception if an error was encountered while reading the file or if there is insufficient data to completely fulfill the request.
Name | Type | Description |
---|---|---|
$byteCount | integer | Number of bytes to read. |
Type | Description |
---|---|
string |
Exception | Description |
---|---|
\Zend_Pdf_Exception |


skipBytes(integer $byteCount) : void
Shifts the current read position within the data source by the specified number of bytes.
Inherited from: \Zend_Pdf_FileParserDataSource::skipBytes()You may move forward (positive numbers) or backward (negative numbers). Throws an exception you attempt to move before the beginning or beyond the end of the data source.
Name | Type | Description |
---|---|---|
$byteCount | integer | Number of bytes to skip. |
Exception | Description |
---|---|
\Zend_Pdf_Exception |