diff options
Diffstat (limited to '')
| -rw-r--r-- | vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xls/Escher.php | 677 |
1 files changed, 677 insertions, 0 deletions
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xls/Escher.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xls/Escher.php new file mode 100644 index 0000000..646de44 --- /dev/null +++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xls/Escher.php @@ -0,0 +1,677 @@ +<?php
+
+namespace PhpOffice\PhpSpreadsheet\Reader\Xls;
+
+use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
+use PhpOffice\PhpSpreadsheet\Reader\Xls;
+use PhpOffice\PhpSpreadsheet\Shared\Escher\DgContainer;
+use PhpOffice\PhpSpreadsheet\Shared\Escher\DgContainer\SpgrContainer;
+use PhpOffice\PhpSpreadsheet\Shared\Escher\DgContainer\SpgrContainer\SpContainer;
+use PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer;
+use PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer;
+use PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer\BSE;
+use PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer\BSE\Blip;
+
+class Escher
+{
+ const DGGCONTAINER = 0xF000;
+ const BSTORECONTAINER = 0xF001;
+ const DGCONTAINER = 0xF002;
+ const SPGRCONTAINER = 0xF003;
+ const SPCONTAINER = 0xF004;
+ const DGG = 0xF006;
+ const BSE = 0xF007;
+ const DG = 0xF008;
+ const SPGR = 0xF009;
+ const SP = 0xF00A;
+ const OPT = 0xF00B;
+ const CLIENTTEXTBOX = 0xF00D;
+ const CLIENTANCHOR = 0xF010;
+ const CLIENTDATA = 0xF011;
+ const BLIPJPEG = 0xF01D;
+ const BLIPPNG = 0xF01E;
+ const SPLITMENUCOLORS = 0xF11E;
+ const TERTIARYOPT = 0xF122;
+
+ /**
+ * Escher stream data (binary).
+ *
+ * @var string
+ */
+ private $data;
+
+ /**
+ * Size in bytes of the Escher stream data.
+ *
+ * @var int
+ */
+ private $dataSize;
+
+ /**
+ * Current position of stream pointer in Escher stream data.
+ *
+ * @var int
+ */
+ private $pos;
+
+ /**
+ * The object to be returned by the reader. Modified during load.
+ *
+ * @var BSE|BstoreContainer|DgContainer|DggContainer|\PhpOffice\PhpSpreadsheet\Shared\Escher|SpContainer|SpgrContainer
+ */
+ private $object;
+
+ /**
+ * Create a new Escher instance.
+ *
+ * @param mixed $object
+ */
+ public function __construct($object)
+ {
+ $this->object = $object;
+ }
+
+ /**
+ * Load Escher stream data. May be a partial Escher stream.
+ *
+ * @param string $data
+ *
+ * @return BSE|BstoreContainer|DgContainer|DggContainer|\PhpOffice\PhpSpreadsheet\Shared\Escher|SpContainer|SpgrContainer
+ */
+ public function load($data)
+ {
+ $this->data = $data;
+
+ // total byte size of Excel data (workbook global substream + sheet substreams)
+ $this->dataSize = strlen($this->data);
+
+ $this->pos = 0;
+
+ // Parse Escher stream
+ while ($this->pos < $this->dataSize) {
+ // offset: 2; size: 2: Record Type
+ $fbt = Xls::getUInt2d($this->data, $this->pos + 2);
+
+ switch ($fbt) {
+ case self::DGGCONTAINER:
+ $this->readDggContainer();
+
+ break;
+ case self::DGG:
+ $this->readDgg();
+
+ break;
+ case self::BSTORECONTAINER:
+ $this->readBstoreContainer();
+
+ break;
+ case self::BSE:
+ $this->readBSE();
+
+ break;
+ case self::BLIPJPEG:
+ $this->readBlipJPEG();
+
+ break;
+ case self::BLIPPNG:
+ $this->readBlipPNG();
+
+ break;
+ case self::OPT:
+ $this->readOPT();
+
+ break;
+ case self::TERTIARYOPT:
+ $this->readTertiaryOPT();
+
+ break;
+ case self::SPLITMENUCOLORS:
+ $this->readSplitMenuColors();
+
+ break;
+ case self::DGCONTAINER:
+ $this->readDgContainer();
+
+ break;
+ case self::DG:
+ $this->readDg();
+
+ break;
+ case self::SPGRCONTAINER:
+ $this->readSpgrContainer();
+
+ break;
+ case self::SPCONTAINER:
+ $this->readSpContainer();
+
+ break;
+ case self::SPGR:
+ $this->readSpgr();
+
+ break;
+ case self::SP:
+ $this->readSp();
+
+ break;
+ case self::CLIENTTEXTBOX:
+ $this->readClientTextbox();
+
+ break;
+ case self::CLIENTANCHOR:
+ $this->readClientAnchor();
+
+ break;
+ case self::CLIENTDATA:
+ $this->readClientData();
+
+ break;
+ default:
+ $this->readDefault();
+
+ break;
+ }
+ }
+
+ return $this->object;
+ }
+
+ /**
+ * Read a generic record.
+ */
+ private function readDefault(): void
+ {
+ // offset 0; size: 2; recVer and recInstance
+ $verInstance = Xls::getUInt2d($this->data, $this->pos);
+
+ // offset: 2; size: 2: Record Type
+ $fbt = Xls::getUInt2d($this->data, $this->pos + 2);
+
+ // bit: 0-3; mask: 0x000F; recVer
+ $recVer = (0x000F & $verInstance) >> 0;
+
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+ }
+
+ /**
+ * Read DggContainer record (Drawing Group Container).
+ */
+ private function readDggContainer(): void
+ {
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+
+ // record is a container, read contents
+ $dggContainer = new DggContainer();
+ $this->object->setDggContainer($dggContainer);
+ $reader = new self($dggContainer);
+ $reader->load($recordData);
+ }
+
+ /**
+ * Read Dgg record (Drawing Group).
+ */
+ private function readDgg(): void
+ {
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+ }
+
+ /**
+ * Read BstoreContainer record (Blip Store Container).
+ */
+ private function readBstoreContainer(): void
+ {
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+
+ // record is a container, read contents
+ $bstoreContainer = new BstoreContainer();
+ $this->object->setBstoreContainer($bstoreContainer);
+ $reader = new self($bstoreContainer);
+ $reader->load($recordData);
+ }
+
+ /**
+ * Read BSE record.
+ */
+ private function readBSE(): void
+ {
+ // offset: 0; size: 2; recVer and recInstance
+
+ // bit: 4-15; mask: 0xFFF0; recInstance
+ $recInstance = (0xFFF0 & Xls::getUInt2d($this->data, $this->pos)) >> 4;
+
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+
+ // add BSE to BstoreContainer
+ $BSE = new BSE();
+ $this->object->addBSE($BSE);
+
+ $BSE->setBLIPType($recInstance);
+
+ // offset: 0; size: 1; btWin32 (MSOBLIPTYPE)
+ $btWin32 = ord($recordData[0]);
+
+ // offset: 1; size: 1; btWin32 (MSOBLIPTYPE)
+ $btMacOS = ord($recordData[1]);
+
+ // offset: 2; size: 16; MD4 digest
+ $rgbUid = substr($recordData, 2, 16);
+
+ // offset: 18; size: 2; tag
+ $tag = Xls::getUInt2d($recordData, 18);
+
+ // offset: 20; size: 4; size of BLIP in bytes
+ $size = Xls::getInt4d($recordData, 20);
+
+ // offset: 24; size: 4; number of references to this BLIP
+ $cRef = Xls::getInt4d($recordData, 24);
+
+ // offset: 28; size: 4; MSOFO file offset
+ $foDelay = Xls::getInt4d($recordData, 28);
+
+ // offset: 32; size: 1; unused1
+ $unused1 = ord($recordData[32]);
+
+ // offset: 33; size: 1; size of nameData in bytes (including null terminator)
+ $cbName = ord($recordData[33]);
+
+ // offset: 34; size: 1; unused2
+ $unused2 = ord($recordData[34]);
+
+ // offset: 35; size: 1; unused3
+ $unused3 = ord($recordData[35]);
+
+ // offset: 36; size: $cbName; nameData
+ $nameData = substr($recordData, 36, $cbName);
+
+ // offset: 36 + $cbName, size: var; the BLIP data
+ $blipData = substr($recordData, 36 + $cbName);
+
+ // record is a container, read contents
+ $reader = new self($BSE);
+ $reader->load($blipData);
+ }
+
+ /**
+ * Read BlipJPEG record. Holds raw JPEG image data.
+ */
+ private function readBlipJPEG(): void
+ {
+ // offset: 0; size: 2; recVer and recInstance
+
+ // bit: 4-15; mask: 0xFFF0; recInstance
+ $recInstance = (0xFFF0 & Xls::getUInt2d($this->data, $this->pos)) >> 4;
+
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+
+ $pos = 0;
+
+ // offset: 0; size: 16; rgbUid1 (MD4 digest of)
+ $rgbUid1 = substr($recordData, 0, 16);
+ $pos += 16;
+
+ // offset: 16; size: 16; rgbUid2 (MD4 digest), only if $recInstance = 0x46B or 0x6E3
+ if (in_array($recInstance, [0x046B, 0x06E3])) {
+ $rgbUid2 = substr($recordData, 16, 16);
+ $pos += 16;
+ }
+
+ // offset: var; size: 1; tag
+ $tag = ord($recordData[$pos]);
+ ++$pos;
+
+ // offset: var; size: var; the raw image data
+ $data = substr($recordData, $pos);
+
+ $blip = new Blip();
+ $blip->setData($data);
+
+ $this->object->setBlip($blip);
+ }
+
+ /**
+ * Read BlipPNG record. Holds raw PNG image data.
+ */
+ private function readBlipPNG(): void
+ {
+ // offset: 0; size: 2; recVer and recInstance
+
+ // bit: 4-15; mask: 0xFFF0; recInstance
+ $recInstance = (0xFFF0 & Xls::getUInt2d($this->data, $this->pos)) >> 4;
+
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+
+ $pos = 0;
+
+ // offset: 0; size: 16; rgbUid1 (MD4 digest of)
+ $rgbUid1 = substr($recordData, 0, 16);
+ $pos += 16;
+
+ // offset: 16; size: 16; rgbUid2 (MD4 digest), only if $recInstance = 0x46B or 0x6E3
+ if ($recInstance == 0x06E1) {
+ $rgbUid2 = substr($recordData, 16, 16);
+ $pos += 16;
+ }
+
+ // offset: var; size: 1; tag
+ $tag = ord($recordData[$pos]);
+ ++$pos;
+
+ // offset: var; size: var; the raw image data
+ $data = substr($recordData, $pos);
+
+ $blip = new Blip();
+ $blip->setData($data);
+
+ $this->object->setBlip($blip);
+ }
+
+ /**
+ * Read OPT record. This record may occur within DggContainer record or SpContainer.
+ */
+ private function readOPT(): void
+ {
+ // offset: 0; size: 2; recVer and recInstance
+
+ // bit: 4-15; mask: 0xFFF0; recInstance
+ $recInstance = (0xFFF0 & Xls::getUInt2d($this->data, $this->pos)) >> 4;
+
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+
+ $this->readOfficeArtRGFOPTE($recordData, $recInstance);
+ }
+
+ /**
+ * Read TertiaryOPT record.
+ */
+ private function readTertiaryOPT(): void
+ {
+ // offset: 0; size: 2; recVer and recInstance
+
+ // bit: 4-15; mask: 0xFFF0; recInstance
+ $recInstance = (0xFFF0 & Xls::getUInt2d($this->data, $this->pos)) >> 4;
+
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+ }
+
+ /**
+ * Read SplitMenuColors record.
+ */
+ private function readSplitMenuColors(): void
+ {
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+ }
+
+ /**
+ * Read DgContainer record (Drawing Container).
+ */
+ private function readDgContainer(): void
+ {
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+
+ // record is a container, read contents
+ $dgContainer = new DgContainer();
+ $this->object->setDgContainer($dgContainer);
+ $reader = new self($dgContainer);
+ $escher = $reader->load($recordData);
+ }
+
+ /**
+ * Read Dg record (Drawing).
+ */
+ private function readDg(): void
+ {
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+ }
+
+ /**
+ * Read SpgrContainer record (Shape Group Container).
+ */
+ private function readSpgrContainer(): void
+ {
+ // context is either context DgContainer or SpgrContainer
+
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+
+ // record is a container, read contents
+ $spgrContainer = new SpgrContainer();
+
+ if ($this->object instanceof DgContainer) {
+ // DgContainer
+ $this->object->setSpgrContainer($spgrContainer);
+ } else {
+ // SpgrContainer
+ $this->object->addChild($spgrContainer);
+ }
+
+ $reader = new self($spgrContainer);
+ $escher = $reader->load($recordData);
+ }
+
+ /**
+ * Read SpContainer record (Shape Container).
+ */
+ private function readSpContainer(): void
+ {
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // add spContainer to spgrContainer
+ $spContainer = new SpContainer();
+ $this->object->addChild($spContainer);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+
+ // record is a container, read contents
+ $reader = new self($spContainer);
+ $escher = $reader->load($recordData);
+ }
+
+ /**
+ * Read Spgr record (Shape Group).
+ */
+ private function readSpgr(): void
+ {
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+ }
+
+ /**
+ * Read Sp record (Shape).
+ */
+ private function readSp(): void
+ {
+ // offset: 0; size: 2; recVer and recInstance
+
+ // bit: 4-15; mask: 0xFFF0; recInstance
+ $recInstance = (0xFFF0 & Xls::getUInt2d($this->data, $this->pos)) >> 4;
+
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+ }
+
+ /**
+ * Read ClientTextbox record.
+ */
+ private function readClientTextbox(): void
+ {
+ // offset: 0; size: 2; recVer and recInstance
+
+ // bit: 4-15; mask: 0xFFF0; recInstance
+ $recInstance = (0xFFF0 & Xls::getUInt2d($this->data, $this->pos)) >> 4;
+
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+ }
+
+ /**
+ * Read ClientAnchor record. This record holds information about where the shape is anchored in worksheet.
+ */
+ private function readClientAnchor(): void
+ {
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+
+ // offset: 2; size: 2; upper-left corner column index (0-based)
+ $c1 = Xls::getUInt2d($recordData, 2);
+
+ // offset: 4; size: 2; upper-left corner horizontal offset in 1/1024 of column width
+ $startOffsetX = Xls::getUInt2d($recordData, 4);
+
+ // offset: 6; size: 2; upper-left corner row index (0-based)
+ $r1 = Xls::getUInt2d($recordData, 6);
+
+ // offset: 8; size: 2; upper-left corner vertical offset in 1/256 of row height
+ $startOffsetY = Xls::getUInt2d($recordData, 8);
+
+ // offset: 10; size: 2; bottom-right corner column index (0-based)
+ $c2 = Xls::getUInt2d($recordData, 10);
+
+ // offset: 12; size: 2; bottom-right corner horizontal offset in 1/1024 of column width
+ $endOffsetX = Xls::getUInt2d($recordData, 12);
+
+ // offset: 14; size: 2; bottom-right corner row index (0-based)
+ $r2 = Xls::getUInt2d($recordData, 14);
+
+ // offset: 16; size: 2; bottom-right corner vertical offset in 1/256 of row height
+ $endOffsetY = Xls::getUInt2d($recordData, 16);
+
+ // set the start coordinates
+ $this->object->setStartCoordinates(Coordinate::stringFromColumnIndex($c1 + 1) . ($r1 + 1));
+
+ // set the start offsetX
+ $this->object->setStartOffsetX($startOffsetX);
+
+ // set the start offsetY
+ $this->object->setStartOffsetY($startOffsetY);
+
+ // set the end coordinates
+ $this->object->setEndCoordinates(Coordinate::stringFromColumnIndex($c2 + 1) . ($r2 + 1));
+
+ // set the end offsetX
+ $this->object->setEndOffsetX($endOffsetX);
+
+ // set the end offsetY
+ $this->object->setEndOffsetY($endOffsetY);
+ }
+
+ /**
+ * Read ClientData record.
+ */
+ private function readClientData(): void
+ {
+ $length = Xls::getInt4d($this->data, $this->pos + 4);
+ $recordData = substr($this->data, $this->pos + 8, $length);
+
+ // move stream pointer to next record
+ $this->pos += 8 + $length;
+ }
+
+ /**
+ * Read OfficeArtRGFOPTE table of property-value pairs.
+ *
+ * @param string $data Binary data
+ * @param int $n Number of properties
+ */
+ private function readOfficeArtRGFOPTE($data, $n): void
+ {
+ $splicedComplexData = substr($data, 6 * $n);
+
+ // loop through property-value pairs
+ for ($i = 0; $i < $n; ++$i) {
+ // read 6 bytes at a time
+ $fopte = substr($data, 6 * $i, 6);
+
+ // offset: 0; size: 2; opid
+ $opid = Xls::getUInt2d($fopte, 0);
+
+ // bit: 0-13; mask: 0x3FFF; opid.opid
+ $opidOpid = (0x3FFF & $opid) >> 0;
+
+ // bit: 14; mask 0x4000; 1 = value in op field is BLIP identifier
+ $opidFBid = (0x4000 & $opid) >> 14;
+
+ // bit: 15; mask 0x8000; 1 = this is a complex property, op field specifies size of complex data
+ $opidFComplex = (0x8000 & $opid) >> 15;
+
+ // offset: 2; size: 4; the value for this property
+ $op = Xls::getInt4d($fopte, 2);
+
+ if ($opidFComplex) {
+ $complexData = substr($splicedComplexData, 0, $op);
+ $splicedComplexData = substr($splicedComplexData, $op);
+
+ // we store string value with complex data
+ $value = $complexData;
+ } else {
+ // we store integer value
+ $value = $op;
+ }
+
+ $this->object->setOPT($opidOpid, $value);
+ }
+ }
+}
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