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-<?php |
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- |
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-/* |
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- * This file is part of the Symfony package. |
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- * |
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- * (c) Fabien Potencier <fabien@symfony.com> |
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- * |
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- * For the full copyright and license information, please view the LICENSE |
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- * file that was distributed with this source code. |
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- */ |
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- |
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-namespace Symfony\Component\Translation\Extractor; |
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- |
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-/* |
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- * The following is derived from code at http://github.com/nikic/PHP-Parser |
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- * |
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- * Copyright (c) 2011 by Nikita Popov |
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- * |
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- * Some rights reserved. |
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- * |
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- * Redistribution and use in source and binary forms, with or without |
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- * modification, are permitted provided that the following conditions are |
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- * met: |
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- * |
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- * * Redistributions of source code must retain the above copyright |
|
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- * notice, this list of conditions and the following disclaimer. |
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- * |
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- * * Redistributions in binary form must reproduce the above |
|
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- * copyright notice, this list of conditions and the following |
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- * disclaimer in the documentation and/or other materials provided |
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- * with the distribution. |
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- * |
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- * * The names of the contributors may not be used to endorse or |
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- * promote products derived from this software without specific |
|
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- * prior written permission. |
|
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- * |
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- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
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- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
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- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
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- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
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- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
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- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
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- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
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- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
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- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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- */ |
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- |
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-class PhpStringTokenParser |
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-{ |
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- protected static $replacements = [ |
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- '\\' => '\\', |
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- '$' => '$', |
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- 'n' => "\n", |
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- 'r' => "\r", |
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- 't' => "\t", |
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- 'f' => "\f", |
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- 'v' => "\v", |
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- 'e' => "\x1B", |
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- ]; |
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- |
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- /** |
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- * Parses a string token. |
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- * |
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- * @param string $str String token content |
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- * |
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- * @return string The parsed string |
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- */ |
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- public static function parse($str) |
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- { |
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- $bLength = 0; |
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- if ('b' === $str[0]) { |
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- $bLength = 1; |
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- } |
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- |
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- if ('\'' === $str[$bLength]) { |
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- return str_replace( |
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- ['\\\\', '\\\''], |
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- ['\\', '\''], |
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- substr($str, $bLength + 1, -1) |
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- ); |
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- } else { |
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- return self::parseEscapeSequences(substr($str, $bLength + 1, -1), '"'); |
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- } |
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- } |
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- |
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- /** |
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- * Parses escape sequences in strings (all string types apart from single quoted). |
|
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- * |
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- * @param string $str String without quotes |
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- * @param string|null $quote Quote type |
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- * |
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- * @return string String with escape sequences parsed |
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- */ |
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- public static function parseEscapeSequences($str, $quote) |
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- { |
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- if (null !== $quote) { |
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- $str = str_replace('\\'.$quote, $quote, $str); |
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- } |
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- |
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- return preg_replace_callback( |
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- '~\\\\([\\\\$nrtfve]|[xX][0-9a-fA-F]{1,2}|[0-7]{1,3})~', |
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- [__CLASS__, 'parseCallback'], |
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- $str |
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- ); |
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- } |
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- |
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- private static function parseCallback($matches) |
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- { |
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- $str = $matches[1]; |
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- |
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- if (isset(self::$replacements[$str])) { |
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- return self::$replacements[$str]; |
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- } elseif ('x' === $str[0] || 'X' === $str[0]) { |
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- return \chr(hexdec($str)); |
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- } else { |
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- return \chr(octdec($str)); |
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- } |
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- } |
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- |
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- /** |
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- * Parses a constant doc string. |
|
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- * |
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- * @param string $startToken Doc string start token content (<<<SMTHG) |
|
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- * @param string $str String token content |
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- * |
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- * @return string Parsed string |
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- */ |
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- public static function parseDocString($startToken, $str) |
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- { |
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- // strip last newline (thanks tokenizer for sticking it into the string!) |
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- $str = preg_replace('~(\r\n|\n|\r)$~', '', $str); |
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- |
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- // nowdoc string |
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- if (false !== strpos($startToken, '\'')) { |
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- return $str; |
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- } |
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- |
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- return self::parseEscapeSequences($str, null); |
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- } |
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-} |
1 | 1 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,142 @@ |
1 |
+<?php |
|
2 |
+ |
|
3 |
+/* |
|
4 |
+ * This file is part of the Symfony package. |
|
5 |
+ * |
|
6 |
+ * (c) Fabien Potencier <fabien@symfony.com> |
|
7 |
+ * |
|
8 |
+ * For the full copyright and license information, please view the LICENSE |
|
9 |
+ * file that was distributed with this source code. |
|
10 |
+ */ |
|
11 |
+ |
|
12 |
+namespace Symfony\Component\Translation\Extractor; |
|
13 |
+ |
|
14 |
+/* |
|
15 |
+ * The following is derived from code at http://github.com/nikic/PHP-Parser |
|
16 |
+ * |
|
17 |
+ * Copyright (c) 2011 by Nikita Popov |
|
18 |
+ * |
|
19 |
+ * Some rights reserved. |
|
20 |
+ * |
|
21 |
+ * Redistribution and use in source and binary forms, with or without |
|
22 |
+ * modification, are permitted provided that the following conditions are |
|
23 |
+ * met: |
|
24 |
+ * |
|
25 |
+ * * Redistributions of source code must retain the above copyright |
|
26 |
+ * notice, this list of conditions and the following disclaimer. |
|
27 |
+ * |
|
28 |
+ * * Redistributions in binary form must reproduce the above |
|
29 |
+ * copyright notice, this list of conditions and the following |
|
30 |
+ * disclaimer in the documentation and/or other materials provided |
|
31 |
+ * with the distribution. |
|
32 |
+ * |
|
33 |
+ * * The names of the contributors may not be used to endorse or |
|
34 |
+ * promote products derived from this software without specific |
|
35 |
+ * prior written permission. |
|
36 |
+ * |
|
37 |
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
38 |
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
39 |
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
40 |
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
41 |
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
42 |
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
43 |
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
44 |
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
45 |
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
46 |
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
47 |
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
48 |
+ */ |
|
49 |
+ |
|
50 |
+class PhpStringTokenParser |
|
51 |
+{ |
|
52 |
+ protected static $replacements = [ |
|
53 |
+ '\\' => '\\', |
|
54 |
+ '$' => '$', |
|
55 |
+ 'n' => "\n", |
|
56 |
+ 'r' => "\r", |
|
57 |
+ 't' => "\t", |
|
58 |
+ 'f' => "\f", |
|
59 |
+ 'v' => "\v", |
|
60 |
+ 'e' => "\x1B", |
|
61 |
+ ]; |
|
62 |
+ |
|
63 |
+ /** |
|
64 |
+ * Parses a string token. |
|
65 |
+ * |
|
66 |
+ * @param string $str String token content |
|
67 |
+ * |
|
68 |
+ * @return string The parsed string |
|
69 |
+ */ |
|
70 |
+ public static function parse($str) |
|
71 |
+ { |
|
72 |
+ $bLength = 0; |
|
73 |
+ if ('b' === $str[0]) { |
|
74 |
+ $bLength = 1; |
|
75 |
+ } |
|
76 |
+ |
|
77 |
+ if ('\'' === $str[$bLength]) { |
|
78 |
+ return str_replace( |
|
79 |
+ ['\\\\', '\\\''], |
|
80 |
+ ['\\', '\''], |
|
81 |
+ substr($str, $bLength + 1, -1) |
|
82 |
+ ); |
|
83 |
+ } else { |
|
84 |
+ return self::parseEscapeSequences(substr($str, $bLength + 1, -1), '"'); |
|
85 |
+ } |
|
86 |
+ } |
|
87 |
+ |
|
88 |
+ /** |
|
89 |
+ * Parses escape sequences in strings (all string types apart from single quoted). |
|
90 |
+ * |
|
91 |
+ * @param string $str String without quotes |
|
92 |
+ * @param string|null $quote Quote type |
|
93 |
+ * |
|
94 |
+ * @return string String with escape sequences parsed |
|
95 |
+ */ |
|
96 |
+ public static function parseEscapeSequences($str, $quote) |
|
97 |
+ { |
|
98 |
+ if (null !== $quote) { |
|
99 |
+ $str = str_replace('\\'.$quote, $quote, $str); |
|
100 |
+ } |
|
101 |
+ |
|
102 |
+ return preg_replace_callback( |
|
103 |
+ '~\\\\([\\\\$nrtfve]|[xX][0-9a-fA-F]{1,2}|[0-7]{1,3})~', |
|
104 |
+ [__CLASS__, 'parseCallback'], |
|
105 |
+ $str |
|
106 |
+ ); |
|
107 |
+ } |
|
108 |
+ |
|
109 |
+ private static function parseCallback($matches) |
|
110 |
+ { |
|
111 |
+ $str = $matches[1]; |
|
112 |
+ |
|
113 |
+ if (isset(self::$replacements[$str])) { |
|
114 |
+ return self::$replacements[$str]; |
|
115 |
+ } elseif ('x' === $str[0] || 'X' === $str[0]) { |
|
116 |
+ return \chr(hexdec($str)); |
|
117 |
+ } else { |
|
118 |
+ return \chr(octdec($str)); |
|
119 |
+ } |
|
120 |
+ } |
|
121 |
+ |
|
122 |
+ /** |
|
123 |
+ * Parses a constant doc string. |
|
124 |
+ * |
|
125 |
+ * @param string $startToken Doc string start token content (<<<SMTHG) |
|
126 |
+ * @param string $str String token content |
|
127 |
+ * |
|
128 |
+ * @return string Parsed string |
|
129 |
+ */ |
|
130 |
+ public static function parseDocString($startToken, $str) |
|
131 |
+ { |
|
132 |
+ // strip last newline (thanks tokenizer for sticking it into the string!) |
|
133 |
+ $str = preg_replace('~(\r\n|\n|\r)$~', '', $str); |
|
134 |
+ |
|
135 |
+ // nowdoc string |
|
136 |
+ if (false !== strpos($startToken, '\'')) { |
|
137 |
+ return $str; |
|
138 |
+ } |
|
139 |
+ |
|
140 |
+ return self::parseEscapeSequences($str, null); |
|
141 |
+ } |
|
142 |
+} |