|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
5
|
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
6
|
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
7
|
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
8
|
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
9
|
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
10
|
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
11
|
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
12
|
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
13
|
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
14
|
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
15
|
|
|
* |
|
16
|
|
|
* This software consists of voluntary contributions made by many individuals |
|
17
|
|
|
* and is licensed under the LGPL. For more information please see |
|
18
|
|
|
* <http://phing.info>. |
|
19
|
|
|
*/ |
|
20
|
|
|
|
|
21
|
|
|
namespace Phing\Parser; |
|
22
|
|
|
|
|
23
|
|
|
use Exception; |
|
24
|
|
|
use Phing\Io\IOException; |
|
25
|
|
|
use Phing\Io\Reader; |
|
26
|
|
|
use SplFileObject; |
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* This class is a wrapper for the PHP's internal expat parser. |
|
30
|
|
|
* |
|
31
|
|
|
* It takes an XML file represented by a abstract path name, and starts |
|
32
|
|
|
* parsing the file and calling the different "trap" methods inherited from |
|
33
|
|
|
* the AbstractParser class. |
|
34
|
|
|
* |
|
35
|
|
|
* Those methods then invoke the represenatative methods in the registered |
|
36
|
|
|
* handler classes. |
|
37
|
|
|
* |
|
38
|
|
|
* @author Andreas Aderhold <[email protected]> |
|
39
|
|
|
* @copyright 2001,2002 THYRELL. All rights reserved |
|
40
|
|
|
*/ |
|
41
|
|
|
class ExpatParser extends AbstractSAXParser |
|
42
|
|
|
{ |
|
43
|
|
|
/** |
|
44
|
|
|
* @var resource |
|
45
|
|
|
*/ |
|
46
|
|
|
private $parser; |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* @var Reader |
|
50
|
|
|
*/ |
|
51
|
|
|
private $reader; |
|
52
|
|
|
|
|
53
|
|
|
/** |
|
54
|
|
|
* @var SplFileObject |
|
55
|
|
|
*/ |
|
56
|
|
|
private $file; |
|
57
|
|
|
|
|
58
|
|
|
private $buffer = 4096; |
|
|
|
|
|
|
59
|
|
|
|
|
60
|
|
|
/** |
|
61
|
|
|
* @var Location current cursor pos in XML file |
|
62
|
|
|
*/ |
|
63
|
|
|
private $location; |
|
64
|
|
|
|
|
65
|
|
|
/** |
|
66
|
|
|
* Constructs a new ExpatParser object. |
|
67
|
|
|
* |
|
68
|
|
|
* The constructor accepts a PhingFile object that represents the filename |
|
69
|
|
|
* for the file to be parsed. It sets up php's internal expat parser |
|
70
|
|
|
* and options. |
|
71
|
|
|
* |
|
72
|
|
|
* @param Reader $reader the Reader Object that is to be read from |
|
73
|
|
|
* @param string $filename filename to read |
|
74
|
|
|
* |
|
75
|
|
|
* @throws Exception if the given argument is not a PhingFile object |
|
76
|
|
|
*/ |
|
77
|
907 |
|
public function __construct(Reader $reader, $filename = null) |
|
78
|
|
|
{ |
|
79
|
907 |
|
$this->reader = $reader; |
|
80
|
907 |
|
if (null !== $filename) { |
|
81
|
|
|
$this->file = new SplFileObject($filename); |
|
82
|
|
|
} |
|
83
|
907 |
|
$this->parser = xml_parser_create(); |
|
|
|
|
|
|
84
|
907 |
|
$this->location = new Location(); |
|
85
|
907 |
|
xml_set_element_handler($this->parser, [$this, 'startElement'], [$this, 'endElement']); |
|
86
|
907 |
|
xml_set_character_data_handler($this->parser, [$this, 'characters']); |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
|
|
/** |
|
90
|
|
|
* Override PHP's parser default settings, created in the constructor. |
|
91
|
|
|
* |
|
92
|
|
|
* @param $opt |
|
93
|
|
|
* @param $val |
|
94
|
|
|
* |
|
95
|
|
|
* @return bool true if the option could be set, otherwise false |
|
96
|
|
|
* |
|
97
|
|
|
* @internal param the $string option to set |
|
98
|
|
|
*/ |
|
99
|
907 |
|
public function parserSetOption($opt, $val) |
|
100
|
|
|
{ |
|
101
|
907 |
|
return xml_parser_set_option($this->parser, $opt, $val); |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
/** |
|
105
|
|
|
* Returns the location object of the current parsed element. It describes |
|
106
|
|
|
* the location of the element within the XML file (line, char). |
|
107
|
|
|
* |
|
108
|
|
|
* @return Location the location of the current parser |
|
109
|
|
|
*/ |
|
110
|
907 |
|
public function getLocation() |
|
111
|
|
|
{ |
|
112
|
907 |
|
if (null !== $this->file) { |
|
113
|
|
|
$path = false !== $this->file->getRealPath() ? $this->file->getRealPath() : null; |
|
114
|
|
|
} else { |
|
115
|
907 |
|
$path = $this->reader->getResource(); |
|
116
|
|
|
} |
|
117
|
907 |
|
$this->location = new Location( |
|
118
|
907 |
|
$path, |
|
119
|
907 |
|
xml_get_current_line_number($this->parser), |
|
120
|
907 |
|
xml_get_current_column_number( |
|
121
|
907 |
|
$this->parser |
|
122
|
907 |
|
) |
|
123
|
907 |
|
); |
|
124
|
|
|
|
|
125
|
907 |
|
return $this->location; |
|
126
|
|
|
} |
|
127
|
|
|
|
|
128
|
|
|
/** |
|
129
|
|
|
* Starts the parsing process. |
|
130
|
|
|
* |
|
131
|
|
|
* @throws ExpatParseException if something gone wrong during parsing |
|
132
|
|
|
* @throws IOException if XML file can not be accessed |
|
133
|
|
|
* |
|
134
|
|
|
* @return int 1 if the parsing succeeded |
|
135
|
|
|
*/ |
|
136
|
907 |
|
public function parse() |
|
137
|
|
|
{ |
|
138
|
907 |
|
while (($data = $this->reader->read()) !== -1) { |
|
139
|
907 |
|
if (!xml_parse($this->parser, $data, $this->reader->eof())) { |
|
|
|
|
|
|
140
|
|
|
$error = xml_error_string(xml_get_error_code($this->parser)); |
|
141
|
|
|
$e = new ExpatParseException($error, $this->getLocation()); |
|
142
|
|
|
xml_parser_free($this->parser); |
|
143
|
|
|
|
|
144
|
|
|
throw $e; |
|
145
|
|
|
} |
|
146
|
|
|
} |
|
147
|
907 |
|
xml_parser_free($this->parser); |
|
148
|
|
|
|
|
149
|
907 |
|
return 1; |
|
150
|
|
|
} |
|
151
|
|
|
} |
|
152
|
|
|
|