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https://github.com/Karaka-Management/Resources.git
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add more global namespacing
This commit is contained in:
Dennis Eichhorn
parent
03a9cf0aef
commit
368e8d687f
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@ -63,13 +63,13 @@ class TCPDF_PARSER {
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* XREF data.
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* @protected
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*/
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protected $xref = array();
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protected $xref = [];
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/**
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* Array of PDF objects.
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* @protected
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*/
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protected $objects = array();
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protected $objects = [];
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/**
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* Class object for decoding filters.
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@ -99,24 +99,24 @@ class TCPDF_PARSER {
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* @public
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* @since 1.0.000 (2011-05-24)
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*/
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public function __construct($data, $cfg=array()) {
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public function __construct($data, $cfg=[]) {
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if (empty($data)) {
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$this->Error('Empty PDF data.');
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}
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// find the pdf header starting position
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if (($trimpos = strpos($data, '%PDF-')) === FALSE) {
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if (($trimpos = \strpos($data, '%PDF-')) === FALSE) {
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$this->Error('Invalid PDF data: missing %PDF header.');
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}
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// get PDF content string
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$this->pdfdata = substr($data, $trimpos);
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$this->pdfdata = \substr($data, $trimpos);
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// get length
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$pdflen = strlen($this->pdfdata);
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$pdflen = \strlen($this->pdfdata);
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// set configuration parameters
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$this->setConfig($cfg);
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// get xref and trailer data
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$this->xref = $this->getXrefData();
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// parse all document objects
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$this->objects = array();
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$this->objects = [];
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foreach ($this->xref['xref'] as $obj => $offset) {
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if (!isset($this->objects[$obj]) AND ($offset > 0)) {
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// decode objects with positive offset
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@ -166,7 +166,7 @@ class TCPDF_PARSER {
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* @protected
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* @since 1.0.000 (2011-05-24)
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*/
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protected function getXrefData($offset=0, $xref=array()) {
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protected function getXrefData($offset=0, $xref=[]) {
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if ($offset == 0) {
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// find last startxref
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if (preg_match_all('/[\r\n]startxref[\s]*[\r\n]+([0-9]+)[\s]*[\r\n]+%%EOF/i', $this->pdfdata, $matches, PREG_SET_ORDER, $offset) == 0) {
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@ -174,20 +174,20 @@ class TCPDF_PARSER {
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}
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$matches = array_pop($matches);
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$startxref = $matches[1];
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} elseif (strpos($this->pdfdata, 'xref', $offset) == $offset) {
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} elseif (\strpos($this->pdfdata, 'xref', $offset) == $offset) {
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// Already pointing at the xref table
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$startxref = $offset;
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} elseif (preg_match('/([0-9]+[\s][0-9]+[\s]obj)/i', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset)) {
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} elseif (\preg_match('/([0-9]+[\s][0-9]+[\s]obj)/i', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset)) {
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// Cross-Reference Stream object
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$startxref = $offset;
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} elseif (preg_match('/[\r\n]startxref[\s]*[\r\n]+([0-9]+)[\s]*[\r\n]+%%EOF/i', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset)) {
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} elseif (\preg_match('/[\r\n]startxref[\s]*[\r\n]+([0-9]+)[\s]*[\r\n]+%%EOF/i', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset)) {
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// startxref found
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$startxref = $matches[1][0];
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} else {
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$this->Error('Unable to find startxref');
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}
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// check xref position
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if (strpos($this->pdfdata, 'xref', $startxref) == $startxref) {
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if (\strpos($this->pdfdata, 'xref', $startxref) == $startxref) {
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// Cross-Reference
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$xref = $this->decodeXref($startxref, $xref);
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} else {
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@ -208,63 +208,63 @@ class TCPDF_PARSER {
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* @protected
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* @since 1.0.000 (2011-06-20)
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*/
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protected function decodeXref($startxref, $xref=array()) {
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protected function decodeXref($startxref, $xref=[]) {
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$startxref += 4; // 4 is the length of the word 'xref'
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// skip initial white space chars: \x00 null (NUL), \x09 horizontal tab (HT), \x0A line feed (LF), \x0C form feed (FF), \x0D carriage return (CR), \x20 space (SP)
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$offset = $startxref + strspn($this->pdfdata, "\x00\x09\x0a\x0c\x0d\x20", $startxref);
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// initialize object number
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$obj_num = 0;
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// search for cross-reference entries or subsection
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while (preg_match('/([0-9]+)[\x20]([0-9]+)[\x20]?([nf]?)(\r\n|[\x20]?[\r\n])/', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
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while (\preg_match('/([0-9]+)[\x20]([0-9]+)[\x20]?([nf]?)(\r\n|[\x20]?[\r\n])/', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
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if ($matches[0][1] != $offset) {
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// we are on another section
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break;
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}
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$offset += strlen($matches[0][0]);
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$offset += \strlen($matches[0][0]);
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if ($matches[3][0] == 'n') {
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// create unique object index: [object number]_[generation number]
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$index = $obj_num.'_'.intval($matches[2][0]);
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$index = $obj_num.'_'.\intval($matches[2][0]);
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// check if object already exist
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if (!isset($xref['xref'][$index])) {
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// store object offset position
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$xref['xref'][$index] = intval($matches[1][0]);
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$xref['xref'][$index] = \intval($matches[1][0]);
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}
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++$obj_num;
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} elseif ($matches[3][0] == 'f') {
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++$obj_num;
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} else {
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// object number (index)
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$obj_num = intval($matches[1][0]);
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$obj_num = \intval($matches[1][0]);
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}
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}
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// get trailer data
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if (preg_match('/trailer[\s]*<<(.*)>>/isU', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
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if (\preg_match('/trailer[\s]*<<(.*)>>/isU', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
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$trailer_data = $matches[1][0];
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if (!isset($xref['trailer']) OR empty($xref['trailer'])) {
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// get only the last updated version
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$xref['trailer'] = array();
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$xref['trailer'] = [];
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// parse trailer_data
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if (preg_match('/Size[\s]+([0-9]+)/i', $trailer_data, $matches) > 0) {
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$xref['trailer']['size'] = intval($matches[1]);
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if (\preg_match('/Size[\s]+([0-9]+)/i', $trailer_data, $matches) > 0) {
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$xref['trailer']['size'] = \intval($matches[1]);
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}
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if (preg_match('/Root[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) > 0) {
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$xref['trailer']['root'] = intval($matches[1]).'_'.intval($matches[2]);
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if (\preg_match('/Root[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) > 0) {
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$xref['trailer']['root'] = \intval($matches[1]).'_'.\intval($matches[2]);
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}
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if (preg_match('/Encrypt[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) > 0) {
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$xref['trailer']['encrypt'] = intval($matches[1]).'_'.intval($matches[2]);
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if (\preg_match('/Encrypt[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) > 0) {
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$xref['trailer']['encrypt'] = \intval($matches[1]).'_'.\intval($matches[2]);
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}
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if (preg_match('/Info[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) > 0) {
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$xref['trailer']['info'] = intval($matches[1]).'_'.intval($matches[2]);
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if (\preg_match('/Info[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) > 0) {
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$xref['trailer']['info'] = \intval($matches[1]).'_'.\intval($matches[2]);
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}
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if (preg_match('/ID[\s]*[\[][\s]*[<]([^>]*)[>][\s]*[<]([^>]*)[>]/i', $trailer_data, $matches) > 0) {
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$xref['trailer']['id'] = array();
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if (\preg_match('/ID[\s]*[\[][\s]*[<]([^>]*)[>][\s]*[<]([^>]*)[>]/i', $trailer_data, $matches) > 0) {
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$xref['trailer']['id'] = [];
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$xref['trailer']['id'][0] = $matches[1];
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$xref['trailer']['id'][1] = $matches[2];
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}
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}
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if (preg_match('/Prev[\s]+([0-9]+)/i', $trailer_data, $matches) > 0) {
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if (\preg_match('/Prev[\s]+([0-9]+)/i', $trailer_data, $matches) > 0) {
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// get previous xref
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$xref = $this->getXrefData(intval($matches[1]), $xref);
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$xref = $this->getXrefData(\intval($matches[1]), $xref);
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}
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} else {
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$this->Error('Unable to find trailer');
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@ -280,50 +280,50 @@ class TCPDF_PARSER {
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* @protected
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* @since 1.0.003 (2013-03-16)
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*/
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protected function decodeXrefStream($startxref, $xref=array()) {
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protected function decodeXrefStream($startxref, $xref=[]) {
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// try to read Cross-Reference Stream
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$xrefobj = $this->getRawObject($startxref);
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$xrefcrs = $this->getIndirectObject($xrefobj[1], $startxref, true);
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if (!isset($xref['trailer']) OR empty($xref['trailer'])) {
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// get only the last updated version
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$xref['trailer'] = array();
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$xref['trailer'] = [];
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$filltrailer = true;
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} else {
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$filltrailer = false;
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}
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if (!isset($xref['xref'])) {
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$xref['xref'] = array();
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$xref['xref'] = [];
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}
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$valid_crs = false;
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$columns = 0;
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$sarr = $xrefcrs[0][1];
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if (!is_array($sarr)) {
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$sarr = array();
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$sarr = [];
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}
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foreach ($sarr as $k => $v) {
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if (($v[0] == '/') AND ($v[1] == 'Type') AND (isset($sarr[($k +1)]) AND ($sarr[($k +1)][0] == '/') AND ($sarr[($k +1)][1] == 'XRef'))) {
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$valid_crs = true;
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} elseif (($v[0] == '/') AND ($v[1] == 'Index') AND (isset($sarr[($k +1)]))) {
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// first object number in the subsection
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$index_first = intval($sarr[($k +1)][1][0][1]);
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$index_first = \intval($sarr[($k +1)][1][0][1]);
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// number of entries in the subsection
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$index_entries = intval($sarr[($k +1)][1][1][1]);
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$index_entries = \intval($sarr[($k +1)][1][1][1]);
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} elseif (($v[0] == '/') AND ($v[1] == 'Prev') AND (isset($sarr[($k +1)]) AND ($sarr[($k +1)][0] == 'numeric'))) {
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// get previous xref offset
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$prevxref = intval($sarr[($k +1)][1]);
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$prevxref = \intval($sarr[($k +1)][1]);
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} elseif (($v[0] == '/') AND ($v[1] == 'W') AND (isset($sarr[($k +1)]))) {
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// number of bytes (in the decoded stream) of the corresponding field
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$wb = array();
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$wb[0] = intval($sarr[($k +1)][1][0][1]);
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$wb[1] = intval($sarr[($k +1)][1][1][1]);
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$wb[2] = intval($sarr[($k +1)][1][2][1]);
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$wb = [];
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$wb[0] = \intval($sarr[($k +1)][1][0][1]);
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$wb[1] = \intval($sarr[($k +1)][1][1][1]);
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$wb[2] = \intval($sarr[($k +1)][1][2][1]);
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} elseif (($v[0] == '/') AND ($v[1] == 'DecodeParms') AND (isset($sarr[($k +1)][1]))) {
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$decpar = $sarr[($k +1)][1];
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foreach ($decpar as $kdc => $vdc) {
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if (($vdc[0] == '/') AND ($vdc[1] == 'Columns') AND (isset($decpar[($kdc +1)]) AND ($decpar[($kdc +1)][0] == 'numeric'))) {
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$columns = intval($decpar[($kdc +1)][1]);
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$columns = \intval($decpar[($kdc +1)][1]);
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} elseif (($vdc[0] == '/') AND ($vdc[1] == 'Predictor') AND (isset($decpar[($kdc +1)]) AND ($decpar[($kdc +1)][0] == 'numeric'))) {
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$predictor = intval($decpar[($kdc +1)][1]);
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$predictor = \intval($decpar[($kdc +1)][1]);
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}
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}
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} elseif ($filltrailer) {
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@ -336,7 +336,7 @@ class TCPDF_PARSER {
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} elseif (($v[0] == '/') AND ($v[1] == 'Encrypt') AND (isset($sarr[($k +1)]) AND ($sarr[($k +1)][0] == 'objref'))) {
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$xref['trailer']['encrypt'] = $sarr[($k +1)][1];
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} elseif (($v[0] == '/') AND ($v[1] == 'ID') AND (isset($sarr[($k +1)]))) {
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$xref['trailer']['id'] = array();
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$xref['trailer']['id'] = [];
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$xref['trailer']['id'][0] = $sarr[($k +1)][1][0][1];
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$xref['trailer']['id'][1] = $sarr[($k +1)][1][1][1];
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}
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@ -351,13 +351,13 @@ class TCPDF_PARSER {
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// split the rows
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$sdata = array_chunk($sdata, $rowlen);
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// initialize decoded array
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$ddata = array();
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$ddata = [];
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// initialize first row with zeros
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$prev_row = array_fill (0, $rowlen, 0);
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// for each row apply PNG unpredictor
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foreach ($sdata as $k => $row) {
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// initialize new row
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$ddata[$k] = array();
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$ddata[$k] = [];
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// get PNG predictor value
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$predictor = (10 + $row[0]);
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// for each byte on the row
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@ -393,10 +393,10 @@ class TCPDF_PARSER {
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// initial estimate
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$p = ($row_left + $row_up - $row_upleft);
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// distances
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$pa = abs($p - $row_left);
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$pb = abs($p - $row_up);
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$pc = abs($p - $row_upleft);
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$pmin = min($pa, $pb, $pc);
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$pa = \abs($p - $row_left);
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$pb = \abs($p - $row_up);
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$pc = \abs($p - $row_upleft);
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$pmin = \min($pa, $pb, $pc);
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// return minimum distance
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switch ($pmin) {
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case $pa: {
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@ -423,7 +423,7 @@ class TCPDF_PARSER {
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$prev_row = $ddata[$k];
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} // end for each row
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// complete decoding
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$sdata = array();
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$sdata = [];
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// for every row
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foreach ($ddata as $k => $row) {
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// initialize new row
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@ -444,7 +444,7 @@ class TCPDF_PARSER {
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}
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}
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}
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$ddata = array();
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$ddata = [];
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// fill xref
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if (isset($index_first)) {
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$obj_num = $index_first;
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@ -516,9 +516,9 @@ class TCPDF_PARSER {
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// name object
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$objtype = $char;
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++$offset;
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if (preg_match('/^([^\x00\x09\x0a\x0c\x0d\x20\s\x28\x29\x3c\x3e\x5b\x5d\x7b\x7d\x2f\x25]+)/', substr($this->pdfdata, $offset, 256), $matches) == 1) {
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if (\preg_match('/^([^\x00\x09\x0a\x0c\x0d\x20\s\x28\x29\x3c\x3e\x5b\x5d\x7b\x7d\x2f\x25]+)/', \substr($this->pdfdata, $offset, 256), $matches) == 1) {
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$objval = $matches[1]; // unescaped value
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$offset += strlen($objval);
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$offset += \strlen($objval);
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}
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break;
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}
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@ -552,7 +552,7 @@ class TCPDF_PARSER {
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}
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++$strpos;
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}
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$objval = substr($this->pdfdata, $offset, ($strpos - $offset - 1));
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$objval = \substr($this->pdfdata, $offset, ($strpos - $offset - 1));
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$offset = $strpos;
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}
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break;
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@ -564,7 +564,7 @@ class TCPDF_PARSER {
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++$offset;
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if ($char == '[') {
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// get array content
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$objval = array();
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$objval = [];
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do {
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// get element
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$element = $this->getRawObject($offset);
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@ -584,7 +584,7 @@ class TCPDF_PARSER {
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$offset += 2;
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if ($char == '<') {
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// get array content
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$objval = array();
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$objval = [];
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do {
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// get element
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$element = $this->getRawObject($offset);
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@ -598,65 +598,65 @@ class TCPDF_PARSER {
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// hexadecimal string object
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$objtype = $char;
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++$offset;
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if (($char == '<') AND (preg_match('/^([0-9A-Fa-f\x09\x0a\x0c\x0d\x20]+)>/iU', substr($this->pdfdata, $offset), $matches) == 1)) {
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if (($char == '<') AND (\preg_match('/^([0-9A-Fa-f\x09\x0a\x0c\x0d\x20]+)>/iU', \substr($this->pdfdata, $offset), $matches) == 1)) {
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// remove white space characters
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$objval = \str_replace(["\x09", "\x0a", "\x0c", "\x0d", "\x20"], '', $matches[1]);
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$offset += strlen($matches[0]);
|
||||
} elseif (($endpos = strpos($this->pdfdata, '>', $offset)) !== FALSE) {
|
||||
$offset += \strlen($matches[0]);
|
||||
} elseif (($endpos = \strpos($this->pdfdata, '>', $offset)) !== FALSE) {
|
||||
$offset = $endpos + 1;
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
if (substr($this->pdfdata, $offset, 6) == 'endobj') {
|
||||
if (\substr($this->pdfdata, $offset, 6) == 'endobj') {
|
||||
// indirect object
|
||||
$objtype = 'endobj';
|
||||
$offset += 6;
|
||||
} elseif (substr($this->pdfdata, $offset, 4) == 'null') {
|
||||
} elseif (\substr($this->pdfdata, $offset, 4) == 'null') {
|
||||
// null object
|
||||
$objtype = 'null';
|
||||
$offset += 4;
|
||||
$objval = 'null';
|
||||
} elseif (substr($this->pdfdata, $offset, 4) == 'true') {
|
||||
} elseif (\substr($this->pdfdata, $offset, 4) == 'true') {
|
||||
// boolean true object
|
||||
$objtype = 'boolean';
|
||||
$offset += 4;
|
||||
$objval = 'true';
|
||||
} elseif (substr($this->pdfdata, $offset, 5) == 'false') {
|
||||
} elseif (\substr($this->pdfdata, $offset, 5) == 'false') {
|
||||
// boolean false object
|
||||
$objtype = 'boolean';
|
||||
$offset += 5;
|
||||
$objval = 'false';
|
||||
} elseif (substr($this->pdfdata, $offset, 6) == 'stream') {
|
||||
} elseif (\substr($this->pdfdata, $offset, 6) == 'stream') {
|
||||
// start stream object
|
||||
$objtype = 'stream';
|
||||
$offset += 6;
|
||||
if (preg_match('/^([\r]?[\n])/isU', substr($this->pdfdata, $offset), $matches) == 1) {
|
||||
$offset += strlen($matches[0]);
|
||||
if (preg_match('/(endstream)[\x09\x0a\x0c\x0d\x20]/isU', substr($this->pdfdata, $offset), $matches, PREG_OFFSET_CAPTURE) == 1) {
|
||||
$objval = substr($this->pdfdata, $offset, $matches[0][1]);
|
||||
if (\preg_match('/^([\r]?[\n])/isU', \substr($this->pdfdata, $offset), $matches) == 1) {
|
||||
$offset += \strlen($matches[0]);
|
||||
if (\preg_match('/(endstream)[\x09\x0a\x0c\x0d\x20]/isU', \substr($this->pdfdata, $offset), $matches, PREG_OFFSET_CAPTURE) == 1) {
|
||||
$objval = \substr($this->pdfdata, $offset, $matches[0][1]);
|
||||
$offset += $matches[1][1];
|
||||
}
|
||||
}
|
||||
} elseif (substr($this->pdfdata, $offset, 9) == 'endstream') {
|
||||
} elseif (\substr($this->pdfdata, $offset, 9) == 'endstream') {
|
||||
// end stream object
|
||||
$objtype = 'endstream';
|
||||
$offset += 9;
|
||||
} elseif (preg_match('/^([0-9]+)[\s]+([0-9]+)[\s]+R/iU', substr($this->pdfdata, $offset, 33), $matches) == 1) {
|
||||
} elseif (\preg_match('/^([0-9]+)[\s]+([0-9]+)[\s]+R/iU', \substr($this->pdfdata, $offset, 33), $matches) == 1) {
|
||||
// indirect object reference
|
||||
$objtype = 'objref';
|
||||
$offset += strlen($matches[0]);
|
||||
$objval = intval($matches[1]).'_'.intval($matches[2]);
|
||||
} elseif (preg_match('/^([0-9]+)[\s]+([0-9]+)[\s]+obj/iU', substr($this->pdfdata, $offset, 33), $matches) == 1) {
|
||||
$offset += \strlen($matches[0]);
|
||||
$objval = \intval($matches[1]).'_'.\intval($matches[2]);
|
||||
} elseif (\preg_match('/^([0-9]+)[\s]+([0-9]+)[\s]+obj/iU', \substr($this->pdfdata, $offset, 33), $matches) == 1) {
|
||||
// object start
|
||||
$objtype = 'obj';
|
||||
$objval = intval($matches[1]).'_'.intval($matches[2]);
|
||||
$objval = \intval($matches[1]).'_'.\intval($matches[2]);
|
||||
$offset += strlen ($matches[0]);
|
||||
} elseif (($numlen = strspn($this->pdfdata, '+-.0123456789', $offset)) > 0) {
|
||||
// numeric object
|
||||
$objtype = 'numeric';
|
||||
$objval = substr($this->pdfdata, $offset, $numlen);
|
||||
$objval = \substr($this->pdfdata, $offset, $numlen);
|
||||
$offset += $numlen;
|
||||
}
|
||||
break;
|
||||
|
|
@ -683,14 +683,14 @@ class TCPDF_PARSER {
|
|||
$objref = $obj[0].' '.$obj[1].' obj';
|
||||
// ignore leading zeros
|
||||
$offset += strspn($this->pdfdata, '0', $offset);
|
||||
if (strpos($this->pdfdata, $objref, $offset) != $offset) {
|
||||
if (\strpos($this->pdfdata, $objref, $offset) != $offset) {
|
||||
// an indirect reference to an undefined object shall be considered a reference to the null object
|
||||
return array('null', 'null', $offset);
|
||||
}
|
||||
// starting position of object content
|
||||
$offset += strlen($objref);
|
||||
$offset += \strlen($objref);
|
||||
// get array of object content
|
||||
$objdata = array();
|
||||
$objdata = [];
|
||||
$i = 0; // object main index
|
||||
do {
|
||||
$oldoffset = $offset;
|
||||
|
|
@ -742,18 +742,18 @@ class TCPDF_PARSER {
|
|||
*/
|
||||
protected function decodeStream($sdic, $stream) {
|
||||
// get stream length and filters
|
||||
$slength = strlen($stream);
|
||||
$slength = \strlen($stream);
|
||||
if ($slength <= 0) {
|
||||
return array('', array());
|
||||
return array('', []);
|
||||
}
|
||||
$filters = array();
|
||||
$filters = [];
|
||||
foreach ($sdic as $k => $v) {
|
||||
if ($v[0] == '/') {
|
||||
if (($v[1] == 'Length') AND (isset($sdic[($k + 1)])) AND ($sdic[($k + 1)][0] == 'numeric')) {
|
||||
// get declared stream length
|
||||
$declength = intval($sdic[($k + 1)][1]);
|
||||
$declength = \intval($sdic[($k + 1)][1]);
|
||||
if ($declength < $slength) {
|
||||
$stream = substr($stream, 0, $declength);
|
||||
$stream = \substr($stream, 0, $declength);
|
||||
$slength = $declength;
|
||||
}
|
||||
} elseif (($v[1] == 'Filter') AND (isset($sdic[($k + 1)]))) {
|
||||
|
|
@ -774,7 +774,7 @@ class TCPDF_PARSER {
|
|||
}
|
||||
}
|
||||
// decode the stream
|
||||
$remaining_filters = array();
|
||||
$remaining_filters = [];
|
||||
foreach ($filters as $filter) {
|
||||
if (in_array($filter, TCPDF_FILTERS::getAvailableFilters())) {
|
||||
try {
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user