init: Erste Version aus Test-App erstellen

.gitignore

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+/.idea
+/composer.lock
+/vendor
+/codeception.yml
+/tests/*.suite.yml
+/tests/_*/

codeception.dist.yml

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+paths:
+    tests: tests
+    output: tests/_output
+    data: tests/_data
+    support: tests/_support
+    envs: tests/_envs
+actor_suffix: Tester
+extensions:
+    enabled:
+        - Codeception\Extension\RunFailed

composer.json

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+{
+    "name": "torsten-hettstedt/sax-xml-reader",
+    "description": "SAX-XML-Readertest",
+    "minimum-stability": "stable",
+    "license": "GPL-3.0-or-later",
+    "authors": [
+        {
+            "name": "Torsten L\u00fccke",
+            "email": "developer@torsten-hettstedt.de"
+        }
+    ],
+    "require": {
+        "php": ">=7.4",
+        "ext-xml": "*"
+    },
+    "require-dev": {
+        "codeception/codeception": "^4.1.18",
+        "codeception/module-asserts": "^1.3.1",
+        "phpstan/phpstan": "^1.4.7",
+        "codeception/module-phpbrowser": "^1.0.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "TorstenHettstedt\\XmlReader\\Sax\\": "src"
+        },
+        "exclude-from-classmap": [
+            "/example/",
+            "/.idea/"
+        ]
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "TorstenHettstedt\\XmlReader\\Sax\\Tests\\Unit\\": "tests/unit",
+            "TorstenHettstedt\\XmlReader\\Sax\\Tests\\Helper\\": "tests/_support/Helper"
+        }
+    }
+}

phpstan.neon

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+parameters:
+	level: 6
+	paths:
+		- src
+		- tests/unit
+		- tests/_support/Helper

src/XmlReaderInterfaces.php

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+<?php
+
+namespace TorstenHettstedt\XmlReader\Sax;
+
+interface XmlReaderInterfaces
+{
+
+    function tag_open(string $tag_name, array $attributes): void;
+
+    function cdata(string $tag_name, string $cdata): void;
+
+    function tag_close(string $tag_name): void;
+}

src/XmlSaxParser.php

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+<?php
+
+namespace TorstenHettstedt\XmlReader\Sax;
+
+use InvalidArgumentException;
+
+class XmlSaxParser
+{
+    protected                     $parser;
+    protected XmlReaderInterfaces $xmlReader;
+    protected string              $actualTagName = '';
+
+    public function __construct(XmlReaderInterfaces $xml_reader)
+    {
+        $this->xmlReader = $xml_reader;
+        $this->parser = xml_parser_create();
+
+        xml_set_object($this->parser, $this);
+        xml_set_element_handler($this->parser, "tag_open", "tag_close");
+        xml_set_character_data_handler($this->parser, "cdata");
+    }
+
+    public function __destruct()
+    {
+        xml_parser_free($this->parser);
+        unset($this->parser);
+    }
+
+    public function parse($data):void
+    {
+        xml_parse($this->parser, $data);
+    }
+
+    /**
+     * @param string $path
+     *
+     * @return void
+     * @throws InvalidArgumentException
+     */
+    public function parseFile(string $path): void
+    {
+        // open xml file
+        if (!($handle = fopen($path, "r"))) {
+            throw new InvalidArgumentException('could not open XML file "' . $path . '".');
+        }
+
+        while ($data = fread($handle, 4096)) { // read xml file
+            $this->parse($data);
+        }
+    }
+
+    /** @noinspection PhpUnusedParameterInspection */
+    protected function tag_open($parser, string $tag_name, array $attributes):void
+    {
+        $this->actualTagName = $tag_name;
+        if ($this->actualTagName !== '') {
+            $this->xmlReader->tag_open($tag_name, $attributes);
+        }
+    }
+
+    /** @noinspection PhpUnusedParameterInspection */
+    protected function cdata($parser, string $cdata):void
+    {
+        if ($this->actualTagName !== '' && trim($cdata) !== '') {
+            $this->xmlReader->cdata($this->actualTagName, $cdata);
+        }
+    }
+
+    /** @noinspection PhpUnusedParameterInspection */
+    protected function tag_close($parser, string $tag_name):void
+    {
+        $this->actualTagName = '';
+        $this->xmlReader->tag_close($tag_name);
+    }
+}

tests/unit/XmlSaxParserTest.php

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+<?php
+
+namespace TorstenHettstedt\XmlReader\Sax\Tests\Unit;
+
+use Codeception\Stub\Expected;
+use Codeception\Test\Unit;
+use Exception;
+use TorstenHettstedt\XmlReader\Sax\XmlReaderInterfaces;
+use TorstenHettstedt\XmlReader\Sax\XmlSaxParser;
+
+class XmlSaxParserTest extends Unit
+{
+
+    const XML_DATA = <<<XML
+<?xml version = "1.0" encoding = "utf-8"?>
+<tutors>
+    <course>
+        <name>Android</name>
+        <email>contact@tutorialspoint.com</email>
+    </course>
+
+    <course>
+        <name>Java</name>
+    </course>
+</tutors>
+XML;
+
+    protected $xmlReader = null;
+
+    /**
+     * @throws Exception
+     */
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->xmlReader = $this->makeEmpty(XmlReaderInterfaces::class, [
+            'tag_open' => Expected::exactly(6),
+            'cdata' => Expected::exactly(3),
+            'tag_close' => Expected::exactly(6),
+        ]);
+    }
+
+    public function testParse()
+    {
+        $reader = new XmlSaxParser($this->xmlReader);
+        $reader->parse(self::XML_DATA);
+    }
+}