PHP code example of nelexa / buffer

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

nelexa / buffer example snippets

$buffer = new \Nelexa\StringBuffer();
// or
$buffer = new \Nelexa\StringBuffer($text);

$buffer = new \Nelexa\FileBuffer($filename);

$buffer = new \Nelexa\MemoryReourceBuffer();
// or
$buffer = new \Nelexa\MemoryReourceBuffer($text);

$fp = fopen('php://temp', 'w+b');
// or
$buffer = new \Nelexa\ResourceBuffer($fp);

$buffer->setReadOnly(true);

$boolValue = $buffer->isReadOnly();

$buffer->setOrder(\Nelexa\Buffer::LITTLE_ENDIAN);

$byteOrder = $buffer->order();

$size = $buffer->size();

$buffer->setPosition($position);

$position = $buffer->position();

$buffer->skip($count);

// example
$buffer->insertString('Test value');
assert($buffer->position() === 10);
$buffer->skip(-7);
assert($buffer->position() === 3);
$buffer->skip(2);
assert($buffer->position() === 5);

$buffer->skipByte(); // skip 1 byte
$buffer->skipShort(); // skip 2 bytes
$buffer->skipInt(); // skip 4 bytes
$buffer->skipLong(); // skip 8 bytes
$buffer->skipFloat(); // skip 4 bytes
$buffer->skipDouble(); // skip 8 bytes

$buffer->rewind();

// example
$buffer->insertString('Test value');
assert($buffer->position() === 10);
$buffer->rewind();
assert($buffer->position() === 0);
assert($buffer->size() === 10);

$buffer->flip();

// example
$buffer->insertString('Test value');
assert($buffer->position() === 10);
$buffer->setPosition(5);
$buffer->flip();
assert($buffer->position() === 0);
assert($buffer->size() === 5);

$remaining = $buffer->remaining();

// example
$buffer->insertString('Test value');
assert($buffer->position() === 10);
$buffer->setPosition(7);
assert($buffer->remaining() === 10 - 7);

$boolValue = $buffer->hasRemaining();

// example
$buffer->insertString('Test value');
assert($buffer->position() === 10);
assert($buffer->hasRemaining() === false);
$buffer->setPosition(9);
assert($buffer->hasRemaining() === true);

$buffer->close();

$allBufferContent = $buffer->toString();

// example
$buffer->insertString('Test value');
assert($buffer->position() === 10);
$buffer->setPosition(4);
$allBufferContent = $buffer->toString();
assert($buffer->position() === 4);
assert($allBufferContent === 'Test value');

$content = $buffer->get($length);

// example
$buffer->insertString('Test value');
assert($buffer->position() === 10);
$buffer->setPosition(3);
$content = $buffer->get(5);
assert($buffer->position() === 8);
assert($content === 't val');

$buffer->insert('content');
// or
$buffer->insert(new StringBuffer('Other buffer'));

// example
assert($buffer->position() === 0);
assert($buffer->size() === 0);
$buffer->insert('Test value');
assert($buffer->position() === 10);
assert($buffer->size() === 10);
$buffer->setPosition(4);
$buffer->insert('ed');
assert($buffer->position() === 6);
assert($buffer->size() === 12);
assert($buffer->toString() === 'Tested value');

$buffer->insertBoolean($boolValue);

$buffer->insertByte($byteValue);

$buffer->insertShort($shortValue);

$buffer->insertInt($intValue);

$buffer->insertLong($longValue);

$buffer->insertFloat($floatValue);

$buffer->insertDouble($doubleValue);

$buffer->insertArrayBytes($bytes);

$buffer->insertString($string);

$buffer->insertUTF($string);

$buffer->insertUTF16($string);

$buffer->put('content');
// or
$buffer->put(new StringBuffer('Other buffer'));

// example
assert($buffer->position() === 0);
assert($buffer->size() === 0);
$buffer->insert('Test value');
assert($buffer->position() === 10);
assert($buffer->size() === 10);
$buffer->setPosition(4);
$buffer->put('ed');
assert($buffer->position() === 6);
assert($buffer->size() === 10);
assert($buffer->toString() === 'Testedalue');

$buffer->putBoolean($boolValue);

$buffer->putByte($byteValue);

$buffer->putShort($shortValue);

$buffer->putInt($intValue);

$buffer->putLong($longValue);

$buffer->putFloat($floatValue);

$buffer->putDouble($doubleValue);

$buffer->putArrayBytes($bytes);

$buffer->putString($string);

$buffer->puttUTF($string);

$buffer->putUTF16($string);

$buffer->replace('content', $length);
// or
$buffer->insert(new StringBuffer('Other buffer'), $length);

// example
assert($buffer->position() === 0);
assert($buffer->size() === 0);
$buffer->insert('Test value');
assert($buffer->position() === 10);
assert($buffer->size() === 10);
$buffer->setPosition(4);
$buffer->replace('ed', 4); // remove 4 next bytes and insert 2 bytes
assert($buffer->position() === 6);
assert($buffer->size() === 8);
assert($buffer->toString() === 'Testedlue');

$buffer->replaceBoolean($boolValue, $length);

$buffer->replaceByte($byteValue, $length);

$buffer->replaceShort($shortValue, $length);

$buffer->replaceInt($intValue, $length);

$buffer->replaceLong($longValue, $length);

$buffer->replaceFloat($floatValue, $length);

$buffer->replaceDouble($doubleValue, $length);

$buffer->replaceArrayBytes($bytes, $length);

$buffer->replaceString($string, $length);

$buffer->replaceUTF($string, $length);

$buffer->replaceUTF16($string, $length);

$buffer->remove($length);

// example
assert($buffer->position() === 0);
assert($buffer->size() === 0);
$buffer->insert('Test value');
assert($buffer->position() === 10);
assert($buffer->size() === 10);
$buffer->setPosition(4);
$buffer->remove(3); // remove 3 next bytes
assert($buffer->position() === 4);
assert($buffer->size() === 7);
assert($buffer->toString() === 'Testlue');

$buffer->truncate($size = 0);

// example
assert($buffer->position() === 0);
assert($buffer->size() === 0);
$buffer->insert('Test value');
assert($buffer->position() === 10);
assert($buffer->size() === 10);
$buffer->truncate(0);
assert($buffer->position() === 0);
assert($buffer->size() === 0);

// example
($buffer = new StringBuffer())
       ->insertByte(1)
       ->insertBoolean(true)
       ->insertShort(5551)
       ->skip(-2)
       ->insertUTF("Hello, World")
       ->truncate()
       ->insertString(str_rot13('Hello World'))
       ->setPosition(7)
       ->flip();
        
assert($this->buffer->size() === 7);
assert($this->buffer->position() === 0);
assert($this->buffer->toString() === str_rot13('Hello W'));