The Rise of Contactless Payments:...
In recent years, contactless payments have surged in popularity, driven...
<?php
/**
* Parses string hash files. File format is as such:
*
* DefaultKeyValue
* KEY: Value
* KEY2: Value2
* --MULTILINE-KEY--
* Multiline
* value.
*
* Which would output something similar to:
*
* array(
* 'ID' => 'DefaultKeyValue',
* 'KEY' => 'Value',
* 'KEY2' => 'Value2',
* 'MULTILINE-KEY' => "Multiline\nvalue.\n",
* )
*
* We use this as an easy to use file-format for configuration schema
* files, but the class itself is usage agnostic.
*
* You can use ---- to forcibly terminate parsing of a single string-hash;
* this marker is used in multi string-hashes to delimit boundaries.
*/
class HTMLPurifier_StringHashParser
{
/**
* @type string
*/
public $default = 'ID';
/**
* Parses a file that contains a single string-hash.
* @param string $file
* @return array
*/
public function parseFile($file)
{
if (!file_exists($file)) {
return false;
}
$fh = fopen($file, 'r');
if (!$fh) {
return false;
}
$ret = $this->parseHandle($fh);
fclose($fh);
return $ret;
}
/**
* Parses a file that contains multiple string-hashes delimited by '----'
* @param string $file
* @return array
*/
public function parseMultiFile($file)
{
if (!file_exists($file)) {
return false;
}
$ret = array();
$fh = fopen($file, 'r');
if (!$fh) {
return false;
}
while (!feof($fh)) {
$ret[] = $this->parseHandle($fh);
}
fclose($fh);
return $ret;
}
/**
* Internal parser that acepts a file handle.
* @note While it's possible to simulate in-memory parsing by using
* custom stream wrappers, if such a use-case arises we should
* factor out the file handle into its own class.
* @param resource $fh File handle with pointer at start of valid string-hash
* block.
* @return array
*/
protected function parseHandle($fh)
{
$state = false;
$single = false;
$ret = array();
do {
$line = fgets($fh);
if ($line === false) {
break;
}
$line = rtrim($line, "\n\r");
if (!$state && $line === '') {
continue;
}
if ($line === '----') {
break;
}
if (strncmp('--#', $line, 3) === 0) {
// Comment
continue;
} elseif (strncmp('--', $line, 2) === 0) {
// Multiline declaration
$state = trim($line, '- ');
if (!isset($ret[$state])) {
$ret[$state] = '';
}
continue;
} elseif (!$state) {
$single = true;
if (strpos($line, ':') !== false) {
// Single-line declaration
list($state, $line) = explode(':', $line, 2);
$line = trim($line);
} else {
// Use default declaration
$state = $this->default;
}
}
if ($single) {
$ret[$state] = $line;
$single = false;
$state = false;
} else {
$ret[$state] .= "$line\n";
}
} while (!feof($fh));
return $ret;
}
}
// vim: et sw=4 sts=4
Blog Section
Dive into our blog to explore the cutting-edge trends in digital payments and NFC technology. Stay updated on the innovations that are revolutionizing transactions, boosting security, and making payments quicker and more convenient. Learn how these advancements are shaping the future of financial interactions and driving the global transition towards a cashless world.
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