1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
<?php
/*
* $Id: 3ea7f569d0f0b1c4d0f057c9f7f8969cb829f2cb $
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information please see
* <http://phing.info>.
*/
require_once 'phing/filters/BaseFilterReader.php';
include_once 'phing/filters/ChainableReader.php';
include_once 'phing/types/RegularExpression.php';
/**
* Performs a regexp find/replace on stream.
* <p>
* Example:<br>
* <pre>
* <replaceregexp>
* <regexp pattern="\r\n" replace="\n"/>
* <regexp pattern="(\w+)\.xml" replace="\1.php" ignoreCase="true"/>
* </replaceregexp>
* </pre>
*
* @author Hans Lellelid <hans@xmpl.org>
* @version $Id$
* @package phing.filters
*/
class ReplaceRegexp extends BaseFilterReader implements ChainableReader {
/**
* @var array RegularExpression[]
*/
private $regexps = array();
/**
* Creator method handles nested <regexp> tags.
* @return RegularExpression
*/
function createRegexp() {
$num = array_push($this->regexps, new RegularExpression());
return $this->regexps[$num-1];
}
/**
* Sets the current regexps.
* (Used when, e.g., cloning/chaining the method.)
* @param array RegularExpression[]
*/
function setRegexps($regexps) {
$this->regexps = $regexps;
}
/**
* Gets the current regexps.
* (Used when, e.g., cloning/chaining the method.)
* @return array RegularExpression[]
*/
function getRegexps() {
return $this->regexps;
}
/**
* Returns the filtered stream.
* The original stream is first read in fully, and the regex replace is performed.
*
* @param int $len Required $len for Reader compliance.
*
* @return mixed The filtered stream, or -1 if the end of the resulting stream has been reached.
*
* @exception IOException if the underlying stream throws an IOException
* during reading
*/
function read($len = null) {
$buffer = $this->in->read($len);
if($buffer === -1) {
return -1;
}
// perform regex replace here ...
foreach($this->regexps as $exptype) {
$regexp = $exptype->getRegexp($this->project);
try {
$buffer = $regexp->replace($buffer);
$this->log("Performing regexp replace: /".$regexp->getPattern()."/".$regexp->getReplace()."/g".$regexp->getModifiers(), Project::MSG_VERBOSE);
} catch (Exception $e) {
// perhaps mismatch in params (e.g. no replace or pattern specified)
$this->log("Error performing regexp replace: " . $e->getMessage(), Project::MSG_WARN);
}
}
return $buffer;
}
/**
* Creates a new ReplaceRegExp filter using the passed in
* Reader for instantiation.
*
* @param Reader $reader A Reader object providing the underlying stream.
* Must not be <code>null</code>.
*
* @return ReplaceRegExp A new filter based on this configuration, but filtering
* the specified reader
*/
function chain(Reader $reader) {
$newFilter = new ReplaceRegExp($reader);
$newFilter->setProject($this->getProject());
$newFilter->setRegexps($this->getRegexps());
return $newFilter;
}
}
|
