Initial xentral_oss_20.3.c9ffacf

2021-05-21 08:49:41 +02:00
parent 5406e4a551
commit 34e5ac43d9
18884 changed files with 2109867 additions and 0 deletions
@@ -0,0 +1,147 @@
+<?php
+
+namespace Xentral\Components\Exporter\Csv;
+
+use Iterator;
+use Xentral\Components\Exporter\Exception\InvalidResourceException;
+use Xentral\Components\Exporter\Exception\PhpExtensionMissingException;
+
+final class CsvWriter
+{
+    /** @var resource $handle */
+    private $handle;
+
+    /** @var CsvConfig $config */
+    private $config;
+
+    /**
+     * @param resource       $handle
+     * @param CsvConfig|null $config
+     *
+     * @throws InvalidResourceException If resource is not writable or invalid
+     * @throws PhpExtensionMissingException If mbstring is missing
+     */
+    public function __construct($handle, CsvConfig $config = null)
+    {
+        if (!is_resource($handle)) {
+            throw new InvalidResourceException('First parameter is not a valid resource.');
+        }
+        if (!$this->isStreamWritable($handle)) {
+            throw new InvalidResourceException('Resource is not writable.');
+        }
+        if (!function_exists('mb_convert_encoding')) {
+            throw new PhpExtensionMissingException('Required PHP extension "mbstring" is missing.');
+        }
+        if ($config === null) {
+            $config = new CsvConfig();
+        }
+
+        $this->config = $config;
+        $this->handle = $handle;
+    }
+
+    /**
+     * @param array|Iterator $lines
+     *
+     * @return void
+     */
+    public function writeLines($lines)
+    {
+        foreach ($lines as $line) {
+            $this->writeLine($line);
+        }
+    }
+
+    /**
+     * @param array $line
+     *
+     * @return void
+     */
+    public function writeLine($line)
+    {
+        if ($this->config->isForceEnclosureEnabled()) {
+            $fields = $this->encloseAllValues($line);
+            fwrite(
+                $this->handle,
+                sprintf(
+                    "%s\n",
+                    implode($this->config->getDelimiter(), $this->convertCharset($fields))
+                )
+            );
+
+            return;
+        }
+
+        fputcsv(
+            $this->handle,
+            $this->convertCharset($line),
+            $this->config->getDelimiter(),
+            $this->config->getEnclosure(),
+            $this->config->getEscapeChar()
+        );
+    }
+
+    /***
+     * @param array $line
+     *
+     * @return array
+     */
+    private function encloseAllValues($line)
+    {
+        $escapeChar = $this->config->getEscapeChar();
+        $enclosure = $this->config->getEnclosure();
+        $result = [];
+        foreach ($line as $key => $value) {
+            $value = str_replace($escapeChar . $enclosure, $enclosure, $value);
+            $value = str_replace($enclosure, $escapeChar . $enclosure, $value);
+            $result[$key] = sprintf('%1$s%2$s%1$s', $enclosure, $value);
+        }
+
+        return $result;
+    }
+
+
+    /**
+     * @param array $line
+     *
+     * @return array
+     */
+    private function convertCharset($line)
+    {
+        if ($this->config->getSourceCharset() === $this->config->getTargetCharset()) {
+            return $line; // No conversion needed
+        }
+
+        $result = [];
+
+        foreach ($line as $key => $cellData) {
+            $result[$key] = mb_convert_encoding(
+                $cellData,
+                $this->config->getTargetCharset(),
+                $this->config->getSourceCharset()
+            );
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param resource $handle
+     *
+     * @return bool
+     */
+    private function isStreamWritable($handle)
+    {
+        $meta = stream_get_meta_data($handle);
+        $currentMode = $meta['mode'];
+
+        $writeModes = ['r+', 'w', 'w+', 'a', 'a+', 'x', 'x+', 'c', 'c+'];
+        foreach ($writeModes as $writeMode) {
+            if (strpos($currentMode, $writeMode) !== false) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}