Initial commit

2022-11-21 09:47:28 +01:00
commit 76cec83d26
11652 changed files with 1980467 additions and 0 deletions
--- a/#pma/libraries/plugins/import/ShapeRecord.php
+++ b/#pma/libraries/plugins/import/ShapeRecord.php
@ -0,0 +1,159 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * This class extends ShapeRecord class to cater the following phpMyAdmin
+ * specific requirements.
+ *
+ * @package    PhpMyAdmin-Import
+ * @subpackage ESRI_Shape
+ */
+namespace PMA\libraries\plugins\import;
+
+/**
+ * 1) To load data from .dbf file only when the dBase extension is available.
+ * 2) To use PMA_importGetNextChunk() functionality to read data, rather than
+ *    reading directly from a file. Using
+ *    PMA\libraries\plugins\import\ImportShp::readFromBuffer() in place of fread().
+ *    This makes it possible to use compressions.
+ *
+ * @package    PhpMyAdmin-Import
+ * @subpackage ESRI_Shape
+ */
+class ShapeRecord extends \ShapeRecord
+{
+    /**
+     * Loads a geometry data record from the file
+     *
+     * @param object &$SHPFile .shp file
+     * @param object &$DBFFile .dbf file
+     *
+     * @return void
+     * @see ShapeRecord::loadFromFile()
+     */
+    public function loadFromFile(&$SHPFile, &$DBFFile)
+    {
+        $this->DBFFile = $DBFFile;
+        $this->_loadHeaders();
+
+        switch ($this->shapeType) {
+        case 0:
+            $this->_loadNullRecord();
+            break;
+        case 1:
+            $this->_loadPointRecord();
+            break;
+        case 3:
+            $this->_loadPolyLineRecord();
+            break;
+        case 5:
+            $this->_loadPolygonRecord();
+            break;
+        case 8:
+            $this->_loadMultiPointRecord();
+            break;
+        default:
+            $this->setError(
+                sprintf(
+                    __("Geometry type '%s' is not supported by MySQL."),
+                    $this->shapeType
+                )
+            );
+            break;
+        }
+        if (extension_loaded('dbase') && isset($this->DBFFile)) {
+            $this->_loadDBFData();
+        }
+    }
+
+    /**
+     * Loads metadata from the ESRI shape record header
+     *
+     * @return void
+     * @see ShapeRecord::_loadHeaders()
+     */
+    public function _loadHeaders()
+    {
+        $this->recordNumber = loadData("N", ImportShp::readFromBuffer(4));
+        ImportShp::readFromBuffer(4);
+        $this->shapeType = loadData("V", ImportShp::readFromBuffer(4));
+    }
+
+    /**
+     * Loads data from a point record
+     *
+     * @return array
+     * @see ShapeRecord::_loadPoint()
+     */
+    public function _loadPoint()
+    {
+        $data = array();
+
+        $data["x"] = loadData("d", ImportShp::readFromBuffer(8));
+        $data["y"] = loadData("d", ImportShp::readFromBuffer(8));
+
+        return $data;
+    }
+
+    /**
+     * Loads data from a multipoint record
+     *
+     * @return void
+     * @see ShapeRecord::_loadMultiPointRecord()
+     */
+    public function _loadMultiPointRecord()
+    {
+        $this->SHPData = array();
+        $this->SHPData["xmin"] = loadData("d", ImportShp::readFromBuffer(8));
+        $this->SHPData["ymin"] = loadData("d", ImportShp::readFromBuffer(8));
+        $this->SHPData["xmax"] = loadData("d", ImportShp::readFromBuffer(8));
+        $this->SHPData["ymax"] = loadData("d", ImportShp::readFromBuffer(8));
+
+        $this->SHPData["numpoints"] = loadData("V", ImportShp::readFromBuffer(4));
+
+        for ($i = 0; $i <= $this->SHPData["numpoints"]; $i++) {
+            $this->SHPData["points"][] = $this->_loadPoint();
+        }
+    }
+
+    /**
+     * Loads data from a polyline record
+     *
+     * @return void
+     * @see ShapeRecord::_loadPolyLineRecord()
+     */
+    public function _loadPolyLineRecord()
+    {
+        $this->SHPData = array();
+        $this->SHPData["xmin"] = loadData("d", ImportShp::readFromBuffer(8));
+        $this->SHPData["ymin"] = loadData("d", ImportShp::readFromBuffer(8));
+        $this->SHPData["xmax"] = loadData("d", ImportShp::readFromBuffer(8));
+        $this->SHPData["ymax"] = loadData("d", ImportShp::readFromBuffer(8));
+
+        $this->SHPData["numparts"] = loadData("V", ImportShp::readFromBuffer(4));
+        $this->SHPData["numpoints"] = loadData("V", ImportShp::readFromBuffer(4));
+
+        for ($i = 0; $i < $this->SHPData["numparts"]; $i++) {
+            $this->SHPData["parts"][$i] = loadData(
+                "V",
+                ImportShp::readFromBuffer(4)
+            );
+        }
+
+        $readPoints = 0;
+        foreach ($this->SHPData["parts"] as &$partData) {
+            if (!isset($partData["points"])
+                || !is_array($partData["points"])
+            ) {
+                $partData = array(
+                    'points' => array()
+                );
+            }
+            while (!in_array($readPoints, $this->SHPData["parts"])
+                && ($readPoints < ($this->SHPData["numpoints"]))
+            ) {
+                $partData["points"][] = $this->_loadPoint();
+                $readPoints++;
+            }
+        }
+    }
+}