<?php declare(strict_types=1);
namespace PhpParser;
use PhpParser\Node\Expr\Array_;
use PhpParser\Node\Expr\Include_;
use PhpParser\Node\Expr\List_;
use PhpParser\Node\Scalar\Int_;
use PhpParser\Node\Scalar\InterpolatedString;
use PhpParser\Node\Scalar\String_;
use PhpParser\Node\Stmt\GroupUse;
use PhpParser\Node\Stmt\Use_;
use PhpParser\Node\UseItem;
class NodeDumper {
private bool $dumpComments;
private bool $dumpPositions;
private bool $dumpOtherAttributes;
private ?string $code;
private string $res;
private string $nl;
private const IGNORE_ATTRIBUTES = [
'comments' => true,
'startLine' => true,
'endLine' => true,
'startFilePos' => true,
'endFilePos' => true,
'startTokenPos' => true,
'endTokenPos' => true,
];
/**
* Constructs a NodeDumper.
*
* Supported options:
* * bool dumpComments: Whether comments should be dumped.
* * bool dumpPositions: Whether line/offset information should be dumped. To dump offset
* information, the code needs to be passed to dump().
* * bool dumpOtherAttributes: Whether non-comment, non-position attributes should be dumped.
*
* @param array $options Options (see description)
*/
public function __construct(array $options = []) {
$this->dumpComments = !empty($options['dumpComments']);
$this->dumpPositions = !empty($options['dumpPositions']);
$this->dumpOtherAttributes = !empty($options['dumpOtherAttributes']);
}
/**
* Dumps a node or array.
*
* @param array|Node $node Node or array to dump
* @param string|null $code Code corresponding to dumped AST. This only needs to be passed if
* the dumpPositions option is enabled and the dumping of node offsets
* is desired.
*
* @return string Dumped value
*/
public function dump($node, ?string $code = null): string {
$this->code = $code;
$this->res = '';
$this->nl = "\n";
$this->dumpRecursive($node, false);
return $this->res;
}
/** @param mixed $node */
protected function dumpRecursive($node, bool $indent = true): void {
if ($indent) {
$this->nl .= " ";
}
if ($node instanceof Node) {
$this->res .= $node->getType();
if ($this->dumpPositions && null !== $p = $this->dumpPosition($node)) {
$this->res .= $p;
}
$this->res .= '(';
foreach ($node->getSubNodeNames() as $key) {
$this->res .= "$this->nl " . $key . ': ';
$value = $node->$key;
if (\is_int($value)) {
if ('flags' === $key || 'newModifier' === $key) {
$this->res .= $this->dumpFlags($value);
continue;
}
if ('type' === $key && $node instanceof Include_) {
$this->res .= $this->dumpIncludeType($value);
continue;
}
if ('type' === $key
&& ($node instanceof Use_ || $node instanceof UseItem || $node instanceof GroupUse)) {
$this->res .= $this->dumpUseType($value);
continue;
}
}
$this->dumpRecursive($value);
}
if ($this->dumpComments && $comments = $node->getComments()) {
$this->res .= "$this->nl comments: ";
$this->dumpRecursive($comments);
}
if ($this->dumpOtherAttributes) {
foreach ($node->getAttributes() as $key => $value) {
if (isset(self::IGNORE_ATTRIBUTES[$key])) {
continue;
}
$this->res .= "$this->nl $key: ";
if (\is_int($value)) {
if ('kind' === $key) {
if ($node instanceof Int_) {
$this->res .= $this->dumpIntKind($value);
continue;
}
if ($node instanceof String_ || $node instanceof InterpolatedString) {
$this->res .= $this->dumpStringKind($value);
continue;
}
if ($node instanceof Array_) {
$this->res .= $this->dumpArrayKind($value);
continue;
}
if ($node instanceof List_) {
$this->res .= $this->dumpListKind($value);
continue;
}
}
}
$this->dumpRecursive($value);
}
}
$this->res .= "$this->nl)";
} elseif (\is_array($node)) {
$this->res .= 'array(';
foreach ($node as $key => $value) {
$this->res .= "$this->nl " . $key . ': ';
$this->dumpRecursive($value);
}
$this->res .= "$this->nl)";
} elseif ($node instanceof Comment) {
$this->res .= \str_replace("\n", $this->nl, $node->getReformattedText());
} elseif (\is_string($node)) {
$this->res .= \str_replace("\n", $this->nl, (string)$node);
} elseif (\is_int($node) || \is_float($node)) {
$this->res .= $node;
} elseif (null === $node) {
$this->res .= 'null';
} elseif (false === $node) {
$this->res .= 'false';
} elseif (true === $node) {
$this->res .= 'true';
} else {
throw new \InvalidArgumentException('Can only dump nodes and arrays.');
}
if ($indent) {
$this->nl = \substr($this->nl, 0, -4);
}
}
protected function dumpFlags(int $flags): string {
$strs = [];
if ($flags & Modifiers::PUBLIC) {
$strs[] = 'PUBLIC';
}
if ($flags & Modifiers::PROTECTED) {
$strs[] = 'PROTECTED';
}
if ($flags & Modifiers::PRIVATE) {
$strs[] = 'PRIVATE';
}
if ($flags & Modifiers::ABSTRACT) {
$strs[] = 'ABSTRACT';
}
if ($flags & Modifiers::STATIC) {
$strs[] = 'STATIC';
}
if ($flags & Modifiers::FINAL) {
$strs[] = 'FINAL';
}
if ($flags & Modifiers::READONLY) {
$strs[] = 'READONLY';
}
if ($strs) {
return implode(' | ', $strs) . ' (' . $flags . ')';
} else {
return (string) $flags;
}
}
/** @param array<int, string> $map */
private function dumpEnum(int $value, array $map): string {
if (!isset($map[$value])) {
return (string) $value;
}
return $map[$value] . ' (' . $value . ')';
}
private function dumpIncludeType(int $type): string {
return $this->dumpEnum($type, [
Include_::TYPE_INCLUDE => 'TYPE_INCLUDE',
Include_::TYPE_INCLUDE_ONCE => 'TYPE_INCLUDE_ONCE',
Include_::TYPE_REQUIRE => 'TYPE_REQUIRE',
Include_::TYPE_REQUIRE_ONCE => 'TYPE_REQUIRE_ONCE',
]);
}
private function dumpUseType(int $type): string {
return $this->dumpEnum($type, [
Use_::TYPE_UNKNOWN => 'TYPE_UNKNOWN',
Use_::TYPE_NORMAL => 'TYPE_NORMAL',
Use_::TYPE_FUNCTION => 'TYPE_FUNCTION',
Use_::TYPE_CONSTANT => 'TYPE_CONSTANT',
]);
}
private function dumpIntKind(int $kind): string {
return $this->dumpEnum($kind, [
Int_::KIND_BIN => 'KIND_BIN',
Int_::KIND_OCT => 'KIND_OCT',
Int_::KIND_DEC => 'KIND_DEC',
Int_::KIND_HEX => 'KIND_HEX',
]);
}
private function dumpStringKind(int $kind): string {
return $this->dumpEnum($kind, [
String_::KIND_SINGLE_QUOTED => 'KIND_SINGLE_QUOTED',
String_::KIND_DOUBLE_QUOTED => 'KIND_DOUBLE_QUOTED',
String_::KIND_HEREDOC => 'KIND_HEREDOC',
String_::KIND_NOWDOC => 'KIND_NOWDOC',
]);
}
private function dumpArrayKind(int $kind): string {
return $this->dumpEnum($kind, [
Array_::KIND_LONG => 'KIND_LONG',
Array_::KIND_SHORT => 'KIND_SHORT',
]);
}
private function dumpListKind(int $kind): string {
return $this->dumpEnum($kind, [
List_::KIND_LIST => 'KIND_LIST',
List_::KIND_ARRAY => 'KIND_ARRAY',
]);
}
/**
* Dump node position, if possible.
*
* @param Node $node Node for which to dump position
*
* @return string|null Dump of position, or null if position information not available
*/
protected function dumpPosition(Node $node): ?string {
if (!$node->hasAttribute('startLine') || !$node->hasAttribute('endLine')) {
return null;
}
$start = $node->getStartLine();
$end = $node->getEndLine();
if ($node->hasAttribute('startFilePos') && $node->hasAttribute('endFilePos')
&& null !== $this->code
) {
$start .= ':' . $this->toColumn($this->code, $node->getStartFilePos());
$end .= ':' . $this->toColumn($this->code, $node->getEndFilePos());
}
return "[$start - $end]";
}
// Copied from Error class
private function toColumn(string $code, int $pos): int {
if ($pos > strlen($code)) {
throw new \RuntimeException('Invalid position information');
}
$lineStartPos = strrpos($code, "\n", $pos - strlen($code));
if (false === $lineStartPos) {
$lineStartPos = -1;
}
return $pos - $lineStartPos;
}
}
About Section
NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.
FAQ Section
Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.
Download the app and sign up using your email or phone number, then complete the verification process.
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Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.
Use the “Forgot PIN” feature in the app to reset it following the provided instructions.
Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.
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