File system\library\language.php

1:	<?php
2:	/**
3:	* @package OpenCart
4:	*
5:	* @author Daniel Kerr
6:	* @copyright Copyright (c) 2005 - 2022, OpenCart, Ltd. (https://www.opencart.com/)
7:	* @license https://opensource.org/licenses/GPL-3.0
8:	*
9:	* @see https://www.opencart.com
10:	*/
11:	namespace Opencart\System\Library;
12:	/**
13:	* Class Language
14:	*/
15:	class Language {
16:	/**
17:	* @var string
18:	*/
19:	protected string $code;
20:	/**
21:	* @var string
22:	*/
23:	protected string $directory;
24:	/**
25:	* @var array<string, string>
26:	*/
27:	protected array $path = [];
28:	/**
29:	* @var array<string, string>
30:	*/
31:	protected array $data = [];
32:	/**
33:	* @var array<string, array<string, array<string, mixed>>>
34:	*/
35:	protected array $cache = [];
36:
37:	/**
38:	* Constructor
39:	*
40:	* @param string $code
41:	*/
42:	public function __construct(string $code) {
43:	$this->code = $code;
44:	}
45:
46:	/**
47:	* addPath
48:	*
49:	* @param string $namespace
50:	* @param string $directory
51:	*
52:	* @return void
53:	*/
54:	public function addPath(string $namespace, string $directory = ''): void {
55:	if (!$directory) {
56:	$this->directory = $namespace;
57:	} else {
58:	$this->path[$namespace] = $directory;
59:	}
60:	}
61:
62:	/**
63:	* Get
64:	*
65:	* Get language text string
66:	*
67:	* @param string $key
68:	*/
69:	public function get(string $key): string {
70:	return $this->data[$key] ?? $key;
71:	}
72:
73:	/**
74:	* Set
75:	*
76:	* Set language text string
77:	*
78:	* @param string $key
79:	* @param string $value
80:	*
81:	* @return void
82:	*/
83:	public function set(string $key, string $value): void {
84:	$this->data[$key] = $value;
85:	}
86:
87:	/**
88:	* All
89:	*
90:	* @param string $prefix
91:	*
92:	* @return array<string, string>
93:	*/
94:	public function all(string $prefix = ''): array {
95:	if (!$prefix) {
96:	return $this->data;
97:	}
98:
99:	$_ = [];
100:
101:	$length = strlen($prefix);
102:
103:	foreach ($this->data as $key => $value) {
104:	if (substr($key, 0, $length) == $prefix) {
105:	$_[substr($key, $length + 1)] = $value;
106:	}
107:	}
108:
109:	return $_;
110:	}
111:
112:	/**
113:	* Clear
114:	*
115:	* @return void
116:	*/
117:	public function clear(): void {
118:	$this->data = [];
119:	}
120:
121:	/**
122:	* Load
123:	*
124:	* @param string $filename
125:	* @param string $prefix
126:	* @param string $code Language code
127:	*
128:	* @return array<string, string>
129:	*/
130:	public function load(string $filename, string $prefix = '', string $code = ''): array {
131:	if (!$code) {
132:	$code = $this->code;
133:	}
134:
135:	if (!isset($this->cache[$code][$filename])) {
136:	$_ = [];
137:
138:	// Load selected language file to overwrite the default language keys
139:	$file = $this->directory . $code . '/' . $filename . '.php';
140:
141:	$namespace = '';
142:
143:	$parts = explode('/', $filename);
144:
145:	foreach ($parts as $part) {
146:	if (!$namespace) {
147:	$namespace .= $part;
148:	} else {
149:	$namespace .= '/' . $part;
150:	}
151:
152:	if (isset($this->path[$namespace])) {
153:	$file = $this->path[$namespace] . $code . substr($filename, strlen($namespace)) . '.php';
154:	}
155:	}
156:
157:	if (is_file($file)) {
158:	require($file);
159:	}
160:
161:	$this->cache[$code][$filename] = $_;
162:	} else {
163:	$_ = $this->cache[$code][$filename];
164:	}
165:
166:	if ($prefix) {
167:	foreach ($_ as $key => $value) {
168:	$_[$prefix . '_' . $key] = $value;
169:
170:	unset($_[$key]);
171:	}
172:	}
173:
174:	$this->data = array_merge($this->data, $_);
175:
176:	return $this->data;
177:	}
178:	}
179:

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