steven/jb-data.de
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

init

Browse source
This commit is contained in:
steven 2025-08-11 22:23:30 +02:00
commit 72a26edcff
22092 changed files with 2101903 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

283
lib/PdfParser/Document.php Normal file
View file

@ -0,0 +1,283 @@
<?php
/**
* @file
* This file is part of the PdfParser library.
*
* @author Sébastien MALOT <sebastien@malot.fr>
* @date 2017-01-03
* @license LGPLv3
* @url <https://github.com/smalot/pdfparser>
*
* PdfParser is a pdf library written in PHP, extraction oriented.
* Copyright (C) 2017 - Sébastien MALOT <sebastien@malot.fr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program.
* If not, see <http://www.pdfparser.org/sites/default/LICENSE.txt>.
*
*/
namespace Smalot\PdfParser;
use Smalot\PdfParser\Element\ElementDate;
/**
* Technical references :
* - http://www.mactech.com/articles/mactech/Vol.15/15.09/PDFIntro/index.html
* - http://framework.zend.com/issues/secure/attachment/12512/Pdf.php
* - http://www.php.net/manual/en/ref.pdf.php#74211
* - http://cpansearch.perl.org/src/JV/PostScript-Font-1.10.02/lib/PostScript/ISOLatin1Encoding.pm
* - http://cpansearch.perl.org/src/JV/PostScript-Font-1.10.02/lib/PostScript/ISOLatin9Encoding.pm
* - http://cpansearch.perl.org/src/JV/PostScript-Font-1.10.02/lib/PostScript/StandardEncoding.pm
* - http://cpansearch.perl.org/src/JV/PostScript-Font-1.10.02/lib/PostScript/WinAnsiEncoding.pm
*
* Class Document
*
* @package Smalot\PdfParser
*/
class Document
{
/**
* @var Object[]
*/
protected $objects = array();
/**
* @var array
*/
protected $dictionary = array();
/**
* @var Header
*/
protected $trailer = null;
/**
* @var array
*/
protected $details = null;
/**
*
*/
public function __construct()
{
$this->trailer = new Header(array(), $this);
}
/**
*
*/
public function init()
{
$this->buildDictionary();
$this->buildDetails();
// Propagate init to objects.
foreach ($this->objects as $object) {
$object->init();
}
}
/**
* Build dictionary based on type header field.
*/
protected function buildDictionary()
{
// Build dictionary.
$this->dictionary = array();
foreach ($this->objects as $id => $object) {
$type = $object->getHeader()->get('Type')->getContent();
if (!empty($type)) {
$this->dictionary[$type][$id] = $id;
}
}
}
/**
* Build details array.
*/
protected function buildDetails()
{
// Build details array.
$details = array();
// Extract document info
if ($this->trailer->has('Info')) {
/** @var Object $info */
$info = $this->trailer->get('Info');
if ($info !== null) {
$details = $info->getHeader()->getDetails();
}
}
// Retrieve the page count
try {
$pages = $this->getPages();
$details['Pages'] = count($pages);
} catch (\Exception $e) {
$details['Pages'] = 0;
}
$this->details = $details;
}
/**
* @return array
*/
public function getDictionary()
{
return $this->dictionary;
}
/**
* @param Object[] $objects
*/
public function setObjects($objects = array())
{
$this->objects = (array)$objects;
$this->init();
}
/**
* @return Object[]
*/
public function getObjects()
{
return $this->objects;
}
/**
* @param string $id
*
* @return Object
*/
public function getObjectById($id)
{
if (isset($this->objects[$id])) {
return $this->objects[$id];
} else {
return null;
}
}
/**
* @param string $type
* @param string $subtype
*
* @return Object[]
*/
public function getObjectsByType($type, $subtype = null)
{
$objects = array();
foreach ($this->objects as $id => $object) {
if ($object->getHeader()->get('Type') == $type &&
(is_null($subtype) || $object->getHeader()->get('Subtype') == $subtype)
) {
$objects[$id] = $object;
}
}
return $objects;
}
/**
* @return \Object[]
*/
public function getFonts()
{
return $this->getObjectsByType('Font');
}
/**
* @return Page[]
* @throws \Exception
*/
public function getPages()
{
if (isset($this->dictionary['Catalog'])) {
// Search for catalog to list pages.
$id = reset($this->dictionary['Catalog']);
/** @var Pages $object */
$object = $this->objects[$id]->get('Pages');
if (method_exists($object, 'getPages')) {
$pages = $object->getPages(true);
return $pages;
}
}
if (isset($this->dictionary['Pages'])) {
// Search for pages to list kids.
$pages = array();
/** @var Pages[] $objects */
$objects = $this->getObjectsByType('Pages');
foreach ($objects as $object) {
$pages = array_merge($pages, $object->getPages(true));
}
return $pages;
}
if (isset($this->dictionary['Page'])) {
// Search for 'page' (unordered pages).
$pages = $this->getObjectsByType('Page');
return array_values($pages);
}
throw new \Exception('Missing catalog.');
}
/**
* @param Page $page
*
* @return string
*/
public function getText(Page $page = null)
{
$texts = array();
$pages = $this->getPages();
foreach ($pages as $index => $page) {
if ($text = trim($page->getText())) {
$texts[] = $text;
}
}
return implode("\n\n", $texts);
}
/**
* @param Header $trailer
*/
public function setTrailer(Header $trailer)
{
$this->trailer = $trailer;
}
/**
* @return array
*/
public function getDetails($deep = true)
{
return $this->details;
}
}