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| 1 | <?php |
| 2 | /** |
| 3 | * Pop PHP Framework (http://www.popphp.org/) |
| 4 | * |
| 5 | * @link https://github.com/popphp/popphp-framework |
| 6 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 7 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 8 | * @license http://www.popphp.org/license New BSD License |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * @namespace |
| 13 | */ |
| 14 | namespace Pop\View\Template\Stream; |
| 15 | |
| 16 | /** |
| 17 | * View stream template parser class |
| 18 | * |
| 19 | * @category Pop |
| 20 | * @package Pop\View |
| 21 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 22 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 23 | * @license http://www.popphp.org/license New BSD License |
| 24 | * @version 4.0.0 |
| 25 | */ |
| 26 | class Parser |
| 27 | { |
| 28 | |
| 29 | /** |
| 30 | * Parse arrays in the template string |
| 31 | * |
| 32 | * @param string $template |
| 33 | * @param array $data |
| 34 | * @param string $output |
| 35 | * @return string |
| 36 | */ |
| 37 | public static function parseArrays(string $template, array $data, string $output): string |
| 38 | { |
| 39 | foreach ($data as $key => $value) { |
| 40 | if (is_array($value) || ($value instanceof \ArrayAccess)) { |
| 41 | $start = '[{' . $key . '}]'; |
| 42 | $end = '[{/' . $key . '}]'; |
| 43 | if ((str_contains($template, $start)) && (str_contains($template, $end))) { |
| 44 | $loopCode = substr($template, strpos($template, $start)); |
| 45 | $loopCode = substr($loopCode, 0, (strpos($loopCode, $end) + strlen($end))); |
| 46 | |
| 47 | $outputLoop = ''; |
| 48 | $i = 0; |
| 49 | foreach ($value as $ky => $val) { |
| 50 | $loop = str_replace($start, '', $loopCode); |
| 51 | $loop = str_replace($end, '', $loop); |
| 52 | if (str_contains($loop, '[{if(')) { |
| 53 | $matches = []; |
| 54 | preg_match_all('/\[{if/mi', $loop, $matches, PREG_OFFSET_CAPTURE); |
| 55 | |
| 56 | if (isset($matches[0]) && isset($matches[0][0])) { |
| 57 | foreach ($matches[0] as $match) { |
| 58 | $cond = substr($loop, $match[1]); |
| 59 | $cond = substr($cond, 0, strpos($cond, '[{/if}]') + 7); |
| 60 | $var = substr($cond, strpos($cond, '(') + 1); |
| 61 | $var = substr($var, 0, strpos($var, ')')); |
| 62 | // If var is an array |
| 63 | if (str_contains($var, '[')) { |
| 64 | $index = substr($var, (strpos($var, '[') + 1)); |
| 65 | $index = substr($index, 0, strpos($index, ']')); |
| 66 | $var = substr($var, 0, strpos($var, '[')); |
| 67 | $varSet = (!empty($val[$var][$index])); |
| 68 | } else { |
| 69 | $index = null; |
| 70 | $varSet = (!empty($val[$var])); |
| 71 | } |
| 72 | if (str_contains($cond, '[{else}]')) { |
| 73 | if ($varSet) { |
| 74 | $code = substr($cond, (strpos($cond, ')}]') + 3)); |
| 75 | $code = substr($code, 0, strpos($code, '[{else}]')); |
| 76 | $code = ($index !== null) ? |
| 77 | str_replace('[{' . $var . '[' . $index . ']}]', $val[$var][$index], $code) : |
| 78 | str_replace('[{' . $var . '}]', $val[$var], $code); |
| 79 | $loop = str_replace($cond, $code, $loop); |
| 80 | } else { |
| 81 | $code = substr($cond, (strpos($cond, '[{else}]') + 8)); |
| 82 | $code = substr($code, 0, strpos($code, '[{/if}]')); |
| 83 | $loop = str_replace($cond, $code, $loop); |
| 84 | } |
| 85 | } else { |
| 86 | if ($varSet) { |
| 87 | $code = substr($cond, (strpos($cond, ')}]') + 3)); |
| 88 | $code = substr($code, 0, strpos($code, '[{/if}]')); |
| 89 | $code = ($index !== null) ? |
| 90 | str_replace('[{' . $var . '[' . $index . ']}]', $val[$var][$index], $code) : |
| 91 | str_replace('[{' . $var . '}]', $val[$var], $code); |
| 92 | $loop = str_replace($cond, $code, $loop); |
| 93 | } else { |
| 94 | $loop = str_replace($cond, '', $loop); |
| 95 | } |
| 96 | } |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | // Handle nested array |
| 102 | if (is_array($val) || ($value instanceof \ArrayAccess) || ($val instanceof \ArrayObject)) { |
| 103 | if (is_numeric($ky)) { |
| 104 | $oLoop = $loop; |
| 105 | foreach ($val as $k => $v) { |
| 106 | // Check is value is stringable |
| 107 | if ((is_object($v) && method_exists($v, '__toString')) || |
| 108 | (!is_object($v) && !is_array($v))) { |
| 109 | $oLoop = str_replace('[{' . $k . '}]', $v, $oLoop); |
| 110 | } |
| 111 | } |
| 112 | if (str_contains($oLoop, '[{i}]')) { |
| 113 | $oLoop = str_replace('[{i}]', ($i + 1), $oLoop); |
| 114 | } |
| 115 | $outputLoop .= $oLoop; |
| 116 | } else { |
| 117 | $s = '[{' . $ky . '}]'; |
| 118 | $e = '[{/' . $ky . '}]'; |
| 119 | if ((str_contains($loop, $s)) && (str_contains($loop, $e))) { |
| 120 | $l = $loop; |
| 121 | $lCode = substr($l, strpos($l, $s)); |
| 122 | $lCode = substr($lCode, 0, (strpos($lCode, $e) + strlen($e))); |
| 123 | |
| 124 | $l = str_replace($s, '', $lCode); |
| 125 | $l = str_replace($e, '', $l); |
| 126 | $oLoop = ''; |
| 127 | $j = 1; |
| 128 | |
| 129 | foreach ($val as $k => $v) { |
| 130 | // Check is value is stringable |
| 131 | if ((is_object($v) && method_exists($v, '__toString')) || |
| 132 | (!is_object($v) && !is_array($v))) { |
| 133 | if (str_contains($l, '[{i}]')) { |
| 134 | $oLoop .= str_replace(['[{key}]', '[{value}]', '[{i}]'], [$k, $v, $j], $l); |
| 135 | } else { |
| 136 | $oLoop .= str_replace(['[{key}]', '[{value}]'], [$k, $v], $l); |
| 137 | } |
| 138 | $j++; |
| 139 | } |
| 140 | } |
| 141 | $outputLoop = str_replace($lCode, $oLoop, $loop); |
| 142 | } |
| 143 | } |
| 144 | // Handle scalar |
| 145 | } else { |
| 146 | // Check is value is stringable |
| 147 | if ((is_object($val) && method_exists($val, '__toString')) || |
| 148 | (!is_object($val) && !is_array($val))) { |
| 149 | if (str_contains($loop, '[{i}]')) { |
| 150 | $outputLoop .= str_replace(['[{key}]', '[{value}]', '[{i}]'], [$ky, $val, ($i + 1)], $loop); |
| 151 | } else { |
| 152 | $outputLoop .= str_replace(['[{key}]', '[{value}]'], [$ky, $val], $loop); |
| 153 | } |
| 154 | } |
| 155 | } |
| 156 | $i++; |
| 157 | if ($i < count($value)) { |
| 158 | $outputLoop .= PHP_EOL; |
| 159 | } |
| 160 | } |
| 161 | $output = str_replace($loopCode, $outputLoop, $output); |
| 162 | } |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | return $output; |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * Parse conditionals in the template string |
| 171 | * |
| 172 | * @param string $template |
| 173 | * @param array $data |
| 174 | * @param string $output |
| 175 | * @return string |
| 176 | */ |
| 177 | public static function parseConditionals(string $template, array $data, string $output): string |
| 178 | { |
| 179 | $matches = []; |
| 180 | preg_match_all('/\[{if/mi', $template, $matches, PREG_OFFSET_CAPTURE); |
| 181 | if (isset($matches[0]) && isset($matches[0][0])) { |
| 182 | foreach ($matches[0] as $match) { |
| 183 | $cond = substr($template, $match[1]); |
| 184 | $cond = substr($cond, 0, strpos($cond, '[{/if}]') + 7); |
| 185 | $var = substr($cond, strpos($cond, '(') + 1); |
| 186 | $var = substr($var, 0, strpos($var, ')')); |
| 187 | |
| 188 | // If var is an array |
| 189 | if (str_contains($var, '[')) { |
| 190 | $index = substr($var, (strpos($var, '[') + 1)); |
| 191 | $index = substr($index, 0, strpos($index, ']')); |
| 192 | $var = substr($var, 0, strpos($var, '[')); |
| 193 | $varSet = (!empty($data[$var][$index])); |
| 194 | } else { |
| 195 | $index = null; |
| 196 | $varSet = (!empty($data[$var])); |
| 197 | } |
| 198 | if (str_contains($cond, '[{else}]')) { |
| 199 | if ($varSet) { |
| 200 | $code = substr($cond, (strpos($cond, ')}]') + 3)); |
| 201 | $code = substr($code, 0, strpos($code, '[{else}]')); |
| 202 | $code = ($index !== null) ? |
| 203 | str_replace('[{' . $var . '[' . $index . ']}]', $data[$var][$index], $code) : |
| 204 | str_replace('[{' . $var . '}]', $data[$var], $code); |
| 205 | $output = str_replace($cond, $code, $output); |
| 206 | } else { |
| 207 | $code = substr($cond, (strpos($cond, '[{else}]') + 8)); |
| 208 | $code = substr($code, 0, strpos($code, '[{/if}]')); |
| 209 | $output = str_replace($cond, $code, $output); |
| 210 | } |
| 211 | } else { |
| 212 | if ($varSet) { |
| 213 | $code = substr($cond, (strpos($cond, ')}]') + 3)); |
| 214 | $code = substr($code, 0, strpos($code, '[{/if}]')); |
| 215 | $code = ($index !== null) ? |
| 216 | str_replace('[{' . $var . '[' . $index . ']}]', $data[$var][$index], $code) : |
| 217 | str_replace('[{' . $var . '}]', $data[$var], $code); |
| 218 | $output = str_replace($cond, $code, $output); |
| 219 | } else { |
| 220 | $output = str_replace($cond, '', $output); |
| 221 | } |
| 222 | } |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | return $output; |
| 227 | } |
| 228 | |
| 229 | /** |
| 230 | * Parse scalar values in the template string |
| 231 | * |
| 232 | * @param array $data |
| 233 | * @param string $output |
| 234 | * @return string |
| 235 | */ |
| 236 | public static function parseScalars(array $data, string $output): string |
| 237 | { |
| 238 | foreach ($data as $key => $value) { |
| 239 | if (is_array($value) && (str_contains($output, '[{' . $key . '['))) { |
| 240 | $matches = []; |
| 241 | preg_match_all('/\[{' . $key .'\[/mi', $output, $matches, PREG_OFFSET_CAPTURE); |
| 242 | |
| 243 | if (isset($matches[0]) && isset($matches[0][0])) { |
| 244 | $indices = []; |
| 245 | foreach ($matches[0] as $match) { |
| 246 | $i = substr($output, $match[1] + (strlen($key) + 3)); |
| 247 | $i = substr($i, 0, strpos($i, ']')); |
| 248 | $indices[] = $i; |
| 249 | } |
| 250 | foreach ($indices as $i) { |
| 251 | if (isset($value[$i])) { |
| 252 | $output = str_replace('[{' . $key . '[' . $i . ']}]', $value[$i], $output); |
| 253 | } else { |
| 254 | $output = str_replace('[{' . $key . '[' . $i . ']}]', '', $output); |
| 255 | } |
| 256 | } |
| 257 | } |
| 258 | } else if (!is_array($value) && !($value instanceof \ArrayAccess)) { |
| 259 | // Check is value is stringable |
| 260 | if ((is_object($value) && method_exists($value, '__toString')) || (!is_object($value) && !is_array($value))) { |
| 261 | $output = str_replace('[{' . $key . '}]', $value, $output); |
| 262 | } |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | return $output; |
| 267 | } |
| 268 | } |