Viewing file:  vista_json.php (2.08 KB) -rw-r--r--
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<?php
namespace rest\http;
class vista_json extends vista_respuesta
{
protected $pretty_print = true;
protected function get_content_type()
{
return 'application/json';
}
public function get_cuerpo()
{
$data = $this->respuesta->get_data();
if (!empty($data) && $this->respuesta->get_encoding_datos() !== 'utf-8') {
$data = $this->utf8_encode_fields($data);
}
if ($this->pretty_print) {
if (version_compare(PHP_VERSION, '5.4.0', '>=')) {
$output = json_encode($data, JSON_PRETTY_PRINT);
} else {
$output = $this->prettyPrint(json_encode($data));
}
} else {
$output = json_encode($data);
}
return $output;
}
protected function prettyPrint($json)
{
$result = '';
$level = 0;
$prev_char = '';
$in_quotes = false;
$ends_line_level = NULL;
$json_length = strlen($json);
for ($i = 0; $i < $json_length; $i++) {
$char = $json[$i];
$new_line_level = NULL;
$post = "";
if ($ends_line_level !== NULL) {
$new_line_level = $ends_line_level;
$ends_line_level = NULL;
}
if ($char === '"' && $prev_char != '\\') {
$in_quotes = !$in_quotes;
} else {
if (!$in_quotes) {
switch ($char) {
case '}':
case ']':
$level--;
$ends_line_level = NULL;
$new_line_level = $level;
break;
case '{':
case '[':
$level++;
case ',':
$ends_line_level = $level;
break;
case ':':
$post = " ";
break;
case " ":
case "\t":
case "\n":
case "\r":
$char = "";
$ends_line_level = $new_line_level;
$new_line_level = NULL;
break;
}
}
}
if ($new_line_level !== NULL) {
$result .= "\n" . str_repeat("\t", $new_line_level);
}
$result .= $char . $post;
$prev_char = $char;
}
return $result;
}
protected function utf8_encode_fields(array $elements)
{
foreach ($elements as $key => $element) {
if (is_array($element)) {
$elements[$key] = $this->utf8_encode_fields($element);
} else {
$elements[$key] = utf8_encode($element);
}
}
return $elements;
}
}
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