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|
<?php /*
+----------------------------------------------------------------------+
| Copyright (c) 1997-2025 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net, so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: André L F S Bacci <ae php.net> |
+----------------------------------------------------------------------+
# Description
This class caches formatted output, and calculates if this output is not
previously marked as ignored, before printing it. */
class OutputBuffer
{
private string $filename = "";
private string $header = "";
private array $matter = [];
private array $footer = [];
private OutputIgnore $ignore;
public int $printCount = 0;
public function __construct( string $header , string $filename , OutputIgnore $ignore )
{
$filename = str_replace( "/./" , "/" , $filename );
$this->header = $header . ": " . $filename . "\n\n";
$this->filename = $filename;
$this->ignore = $ignore;
}
public function add( string $text )
{
$this->matter[] = $text;
}
public function addDiff( string $text , int $sourceCount , int $targetCount )
{
if ( $sourceCount == $targetCount )
return;
$prefix = "* ";
$suffix = " -{$targetCount} +{$sourceCount}";
if ( $sourceCount == 0 )
{
$prefix = "- ";
$suffix = $targetCount == 1 ? "" : " -{$targetCount}";
}
if ( $targetCount == 0 )
{
$prefix = "+ ";
$suffix = $sourceCount == 1 ? "" : " +{$sourceCount}";
}
$this->add( "{$prefix}{$text}{$suffix}\n" );
}
public function addFooter( string $text )
{
$this->footer[] = $text;
}
public function addLine()
{
if ( count( $this->matter ) > 0 && end( $this->matter ) != "\n" )
$this->add( "\n" );
}
public function contains( string $text ) : bool
{
foreach( $this->matter as $line )
if ( str_contains( $line , $text ) )
return true;
return false;
}
public function print( bool $alternatePrinting = false )
{
if ( count( $this->matter ) == 0 && count( $this->footer ) == 0 )
return;
$this->printCount++;
$hashFile = hash( "crc32b" , $this->filename );
$hashHead = $this->hash( false );
$hashFull = $this->hash( true );
if ( $this->ignore->shouldIgnore( $this , $hashFile , $hashHead , $hashFull ) )
return;
print $this->header;
if ( $alternatePrinting )
$this->printMatterAlternate();
else
foreach( $this->matter as $text )
print $text;
if ( count( $this->matter ) )
print "\n";
foreach( $this->footer as $text )
print $text;
if ( count( $this->footer ) )
print "\n";
print "\n";
}
private function printMatterAlternate() : void
{
$add = [];
$del = [];
$rst = [];
foreach( $this->matter as $text )
{
if ( $text[0] == '+' ) $add[] = $text;
elseif ( $text[0] == '-' ) $del[] = $text;
else $rst[] = $text;
}
for ( $idx = 0 ; $idx < count( $this->matter ) ; $idx++ )
{
if ( isset( $del[ $idx ] ) ) print $del[ $idx ];
if ( isset( $add[ $idx ] ) ) print $add[ $idx ];
}
foreach( $rst as $text )
print $text;
}
private function hash( bool $withContents ) : string
{
$text = $this->header;
$text .= implode( "" , array_filter( $this->ignore->argvRest ) );
if ( $withContents )
$text .= implode( "" , $this->matter );
$text = str_replace( " " , "" , $text );
$text = str_replace( "\n" , "" , $text );
$text = str_replace( "\r" , "" , $text );
$text = str_replace( "\t" , "" , $text );
return hash( "crc32b" , $text );
}
}
|
