live2d_api/tools/jsonCompatible.php
2019-02-09 15:17:15 +08:00

50 lines
2.1 KiB
PHP

<?php class jsonCompatible {
public function json_encode($json) {
if (version_compare(PHP_VERSION,'5.4.0','<')) {
$json = json_encode($json);
$json = str_replace('\/', '/', $json);
$json = preg_replace_callback("/\\\u([0-9a-f]{4})/i", array($this,'json_preg_replace'), $json);
return $this->json_pretty_print($json, ' ');
} else return json_encode($json, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
}
protected function json_preg_replace($matchs) {
return iconv('UCS-2BE', 'UTF-8', pack('H4', $matchs[1]));
}
protected function json_pretty_print($json, $indent = "\t") {
$result = '';
$indentCount = 0;
$inString = false;
$len = strlen($json);
for ($c = 0; $c < $len; $c++) {
$char = $json[$c];
if ($char === '{' || $char === '[') {
if (!$inString) {
$indentCount++;
if ($char === '[' && $json[$c+1] == "]") $result .= $char . PHP_EOL;
elseif ($char === '{' && $json[$c+1] == "}") $result .= $char . PHP_EOL;
else $result .= $char . PHP_EOL . str_repeat($indent, $indentCount);
} else $result .= $char;
} elseif ($char === '}' || $char === ']') {
if (!$inString) {
$indentCount--;
$result .= PHP_EOL . str_repeat($indent, $indentCount) . $char;
} else $result .= $char;
} elseif ($char === ',') {
if (!$inString) $result .= ',' . PHP_EOL . str_repeat($indent, $indentCount);
else $result .= $char;
} elseif ($char === ':') {
if (!$inString) $result .= ': ';
else $result .= $char;
} elseif ($char === '"') {
if (($c > 0 && $json[$c - 1] !== '\\') || ($c > 1 && $json[$c - 2].$json[$c - 1] === '\\\\')) $inString = !$inString;
$result .= $char;
} else {
$result .= $char;
}
}
return $result;
}
}