1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/** |
4
|
|
|
* Spiral Framework. |
5
|
|
|
* |
6
|
|
|
* @license MIT |
7
|
|
|
* @author Anton Titov (Wolfy-J) |
8
|
|
|
*/ |
9
|
|
|
|
10
|
|
|
declare(strict_types=1); |
11
|
|
|
|
12
|
|
|
namespace Spiral\Stempler\Transform\Merge\Inject; |
13
|
|
|
|
14
|
|
|
/** |
15
|
|
|
* PHPMixin provides the ability to safely inject nodes into PHP source code using given macro function. |
16
|
|
|
*/ |
17
|
|
|
final class PHPMixin |
18
|
|
|
{ |
19
|
|
|
/** @var array */ |
20
|
|
|
private $tokens = []; |
21
|
|
|
|
22
|
|
|
/** @var array */ |
23
|
|
|
private $blocks = []; |
24
|
|
|
|
25
|
|
|
/** |
26
|
|
|
* @param array $tokens |
27
|
|
|
* @param string $func |
28
|
|
|
*/ |
29
|
|
|
public function __construct(array $tokens, string $func) |
30
|
|
|
{ |
31
|
|
|
$this->tokens = $tokens; |
32
|
|
|
$this->parse($func); |
33
|
|
|
} |
34
|
|
|
|
35
|
|
|
/** |
36
|
|
|
* @return string |
37
|
|
|
*/ |
38
|
|
|
public function compile(): string |
39
|
|
|
{ |
40
|
|
|
$replace = []; |
41
|
|
|
|
42
|
|
|
foreach ($this->blocks as $block) { |
43
|
|
|
for ($i = $block['start']; $i <= $block['end']; $i++) { |
44
|
|
|
$replace[$i] = ''; |
45
|
|
|
} |
46
|
|
|
|
47
|
|
|
$replace[$block['start']] = $block['value']; |
48
|
|
|
} |
49
|
|
|
|
50
|
|
|
$result = ''; |
51
|
|
|
foreach ($this->tokens as $position => $token) { |
52
|
|
|
if (array_key_exists($position, $replace)) { |
53
|
|
|
$result .= $replace[$position]; |
54
|
|
|
continue; |
55
|
|
|
} |
56
|
|
|
|
57
|
|
|
if (is_string($token)) { |
58
|
|
|
$result .= $token; |
59
|
|
|
continue; |
60
|
|
|
} |
61
|
|
|
|
62
|
|
|
$result .= $token[1]; |
63
|
|
|
} |
64
|
|
|
|
65
|
|
|
return $result; |
66
|
|
|
} |
67
|
|
|
|
68
|
|
|
/** |
69
|
|
|
* Compiles the PHP blocks (with replacements) but excludes the php open, close tag and echo function. |
70
|
|
|
* |
71
|
|
|
* @return string |
72
|
|
|
*/ |
73
|
|
|
public function trimBody(): string |
74
|
|
|
{ |
75
|
|
|
$replace = []; |
76
|
|
|
|
77
|
|
|
foreach ($this->blocks as $block) { |
78
|
|
|
for ($i = $block['start']; $i <= $block['end']; $i++) { |
79
|
|
|
$replace[$i] = ''; |
80
|
|
|
} |
81
|
|
|
|
82
|
|
|
$replace[$block['start']] = $block['value']; |
83
|
|
|
} |
84
|
|
|
|
85
|
|
|
$result = ''; |
86
|
|
|
foreach ($this->tokens as $position => $token) { |
87
|
|
|
if (array_key_exists($position, $replace)) { |
88
|
|
|
$result .= $replace[$position]; |
89
|
|
|
continue; |
90
|
|
|
} |
91
|
|
|
|
92
|
|
|
if (is_string($token)) { |
93
|
|
|
$result .= $token; |
94
|
|
|
continue; |
95
|
|
|
} |
96
|
|
|
|
97
|
|
|
if (in_array($token[0], [T_OPEN_TAG, T_OPEN_TAG_WITH_ECHO, T_CLOSE_TAG, T_ECHO])) { |
98
|
|
|
continue; |
99
|
|
|
} |
100
|
|
|
|
101
|
|
|
$result .= $token[1]; |
102
|
|
|
} |
103
|
|
|
|
104
|
|
|
return rtrim(trim($result), ';'); |
105
|
|
|
} |
106
|
|
|
|
107
|
|
|
/** |
108
|
|
|
* Get macros detected in PHP code and their default values (if any). |
109
|
|
|
* |
110
|
|
|
* @return array |
111
|
|
|
*/ |
112
|
|
|
public function getBlocks(): array |
113
|
|
|
{ |
114
|
|
|
$result = []; |
115
|
|
|
foreach ($this->blocks as $name => $macro) { |
116
|
|
|
$result[$name] = $macro['value']; |
117
|
|
|
} |
118
|
|
|
|
119
|
|
|
return $result; |
120
|
|
|
} |
121
|
|
|
|
122
|
|
|
/** |
123
|
|
|
* @param string $block |
124
|
|
|
* @return bool |
125
|
|
|
*/ |
126
|
|
|
public function has(string $block): bool |
127
|
|
|
{ |
128
|
|
|
return isset($this->blocks[$block]); |
129
|
|
|
} |
130
|
|
|
|
131
|
|
|
/** |
132
|
|
|
* @param string $block |
133
|
|
|
* @param string $value |
134
|
|
|
*/ |
135
|
|
|
public function set(string $block, string $value): void |
136
|
|
|
{ |
137
|
|
|
if (!isset($this->blocks[$block])) { |
138
|
|
|
return; |
139
|
|
|
} |
140
|
|
|
|
141
|
|
|
$this->blocks[$block]['value'] = $value; |
142
|
|
|
} |
143
|
|
|
|
144
|
|
|
/** |
145
|
|
|
* @param string $func |
146
|
|
|
*/ |
147
|
|
|
private function parse(string $func): void |
148
|
|
|
{ |
149
|
|
|
$level = 0; |
150
|
|
|
$start = $name = $value = null; |
151
|
|
|
foreach ($this->tokens as $position => $token) { |
152
|
|
|
if (!is_array($token)) { |
153
|
|
|
$token = [$token, $token, 0]; |
154
|
|
|
} |
155
|
|
|
|
156
|
|
|
switch ($token[0]) { |
157
|
|
|
case '(': |
158
|
|
|
if ($start !== null) { |
159
|
|
|
$level++; |
160
|
|
|
$value .= $token[1]; |
161
|
|
|
} |
162
|
|
|
break; |
163
|
|
|
case ')': |
164
|
|
|
if ($start === null) { |
165
|
|
|
break; |
166
|
|
|
} |
167
|
|
|
|
168
|
|
|
$level--; |
169
|
|
|
$value .= $token[1]; |
170
|
|
|
if ($level === 0) { |
171
|
|
|
$this->blocks[$name] = [ |
172
|
|
|
'start' => $start, |
173
|
|
|
'value' => trim($value), |
174
|
|
|
'end' => $position |
175
|
|
|
]; |
176
|
|
|
|
177
|
|
|
// reset |
178
|
|
|
$start = $name = $value = null; |
179
|
|
|
} |
180
|
|
|
break; |
181
|
|
|
case T_STRING: |
182
|
|
|
if ($token[1] === $func) { |
183
|
|
|
$start = $position; |
184
|
|
|
$value = $token[1]; |
185
|
|
|
break; |
186
|
|
|
} |
187
|
|
|
|
188
|
|
|
if ($start !== null) { |
189
|
|
|
$value .= $token[1]; |
190
|
|
|
} |
191
|
|
|
break; |
192
|
|
|
case T_CONSTANT_ENCAPSED_STRING: |
193
|
|
|
if ($start === null) { |
194
|
|
|
break; |
195
|
|
|
} |
196
|
|
|
|
197
|
|
|
if ($name === null) { |
198
|
|
|
$name = stripcslashes(substr($token[1], 1, -1)); |
199
|
|
|
} |
200
|
|
|
$value .= $token[1]; |
201
|
|
|
break; |
202
|
|
|
case ',': |
203
|
|
|
$value .= $token[1]; |
204
|
|
|
break; |
205
|
|
|
default: |
206
|
|
|
if ($start !== null) { |
207
|
|
|
$value .= $token[1]; |
208
|
|
|
} |
209
|
|
|
} |
210
|
|
|
} |
211
|
|
|
} |
212
|
|
|
} |
213
|
|
|
|