|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace PhpHocon\Token\Parser; |
|
4
|
|
|
|
|
5
|
|
|
use PhpHocon\Token\Tokens; |
|
6
|
|
|
use PhpHocon\Token\Value; |
|
7
|
|
|
use PhpHocon\Token\Value\BooleanValue; |
|
8
|
|
|
use PhpHocon\Token\Value\NullValue; |
|
9
|
|
|
use PhpHocon\Token\Value\NumberValue; |
|
10
|
|
|
use PhpHocon\Token\Value\StringValue; |
|
11
|
|
|
|
|
12
|
|
|
class ValueParser implements Parser |
|
13
|
|
|
{ |
|
14
|
|
|
/** |
|
15
|
|
|
* @var array |
|
16
|
|
|
*/ |
|
17
|
|
|
private $illegalCharacters = [ |
|
18
|
|
|
Tokens::EQUALS, |
|
19
|
|
|
Tokens::COLON, |
|
20
|
|
|
Tokens::SPACE, |
|
21
|
|
|
Tokens::NEW_LINE |
|
22
|
|
|
]; |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* @var bool |
|
26
|
|
|
*/ |
|
27
|
|
|
private $isQuotedString; |
|
28
|
|
|
|
|
29
|
|
|
/** |
|
30
|
|
|
* @var string |
|
31
|
|
|
*/ |
|
32
|
|
|
private $quoteCharacter; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* @param ParserState $state |
|
36
|
|
|
* @return boolean |
|
37
|
|
|
*/ |
|
38
|
|
|
public function canParse(ParserState $state) |
|
39
|
|
|
{ |
|
40
|
|
|
return !$state->isParsingKey() && $this->canStartGatheringValue($state); |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* @param ParserState $state |
|
45
|
|
|
* @return ParseResult |
|
46
|
|
|
*/ |
|
47
|
|
|
public function parse(ParserState $state) |
|
48
|
|
|
{ |
|
49
|
|
|
$characters = $state->getCharacters(); |
|
50
|
|
|
$value = ''; |
|
51
|
|
|
|
|
52
|
|
|
if (true === $this->isQuotedString = $this->isQuotedString($state->getHeadCharacter())) { |
|
53
|
|
|
$this->quoteCharacter = array_shift($characters); |
|
54
|
|
|
} |
|
55
|
|
|
|
|
56
|
|
|
while ($this->canStillParseValue($characters)) { |
|
57
|
|
|
$value .= array_shift($characters); |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
|
|
if (count($characters) && $characters[0] === $this->quoteCharacter) { |
|
61
|
|
|
array_shift($characters); |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
return new ParseResult( |
|
65
|
|
|
new ParserState($characters, $state->getBraceCount()), |
|
66
|
|
|
$this->getObjectForValue($value) |
|
67
|
|
|
); |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
/** |
|
71
|
|
|
* @param ParserState $state |
|
72
|
|
|
* @return bool |
|
73
|
|
|
*/ |
|
74
|
|
|
private function canStartGatheringValue(ParserState $state) |
|
75
|
|
|
{ |
|
76
|
|
|
return !in_array($state->getHeadCharacter(), $this->illegalCharacters); |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
/** |
|
80
|
|
|
* @param string $character |
|
81
|
|
|
* @return bool |
|
82
|
|
|
*/ |
|
83
|
|
|
private function isQuotedString($character) |
|
84
|
|
|
{ |
|
85
|
|
|
return in_array($character, [Tokens::APOSTROPHE, Tokens::SPEECH_MARK]); |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
/** |
|
89
|
|
|
* @param string[] $characters |
|
90
|
|
|
* @return bool |
|
91
|
|
|
*/ |
|
92
|
|
|
private function canStillParseValue(array $characters) |
|
93
|
|
|
{ |
|
94
|
|
|
if (!count($characters)) { |
|
95
|
|
|
return false; |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
if ($this->isQuotedString) { |
|
99
|
|
|
return !$this->isStringTerminator($characters[0]); |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
return !in_array($characters[0], $this->illegalCharacters); |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
/** |
|
106
|
|
|
* @param string $value |
|
107
|
|
|
* @return Value |
|
108
|
|
|
*/ |
|
109
|
|
|
private function getObjectForValue($value) |
|
110
|
|
|
{ |
|
111
|
|
|
if (is_numeric($value)) { |
|
112
|
|
|
return new NumberValue($this->convertStringToNumber($value)); |
|
113
|
|
|
} elseif ($this->valueIsBoolean($value)) { |
|
114
|
|
|
return new BooleanValue($value === 'true'); |
|
115
|
|
|
} elseif ($this->valueIsNull($value)) { |
|
116
|
|
|
return new NullValue(); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
|
|
return new StringValue($value); |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
|
|
/** |
|
123
|
|
|
* @param string $value |
|
124
|
|
|
* @return float|int |
|
125
|
|
|
*/ |
|
126
|
|
|
private function convertStringToNumber($value) |
|
127
|
|
|
{ |
|
128
|
|
|
return strpos($value, '.') === false ? (int)$value : (float)$value; |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
|
|
/** |
|
132
|
|
|
* @param string $value |
|
133
|
|
|
* @return bool |
|
134
|
|
|
*/ |
|
135
|
|
|
private function valueIsBoolean($value) |
|
136
|
|
|
{ |
|
137
|
|
|
return $value === 'true' || $value === 'false'; |
|
138
|
|
|
} |
|
139
|
|
|
|
|
140
|
|
|
/** |
|
141
|
|
|
* @param string $value |
|
142
|
|
|
* @return bool |
|
143
|
|
|
*/ |
|
144
|
|
|
private function valueIsNull($value) |
|
145
|
|
|
{ |
|
146
|
|
|
return $value === 'null'; |
|
147
|
|
|
} |
|
148
|
|
|
|
|
149
|
|
|
/** |
|
150
|
|
|
* @param string $character |
|
151
|
|
|
* @return bool |
|
152
|
|
|
*/ |
|
153
|
|
|
private function isStringTerminator($character) |
|
154
|
|
|
{ |
|
155
|
|
|
return $character === $this->quoteCharacter; |
|
156
|
|
|
} |
|
157
|
|
|
} |
|
158
|
|
|
|
shanethehat /
php-hocon
