From 386e3655b3f561d78d6b016086e2f3b048fb1b8e Mon Sep 17 00:00:00 2001
From: Shish <shish@shishnet.org>
Date: Thu, 5 Dec 2024 13:31:11 +0000
Subject: [PATCH] Generate files for multiple versions

---
 composer.json                     |  6 +++--
 generator/src/FileCreator.php     | 24 +++++++++++++++++
 generator/src/GenerateCommand.php | 45 ++++++++++++++++++++-----------
 3 files changed, 57 insertions(+), 18 deletions(-)

diff --git a/composer.json b/composer.json
index 18a794bf..91733259 100644
--- a/composer.json
+++ b/composer.json
@@ -43,6 +43,7 @@
             "generated/ftp.php",
             "generated/funchand.php",
             "generated/gettext.php",
+            "generated/gmp.php",
             "generated/gnupg.php",
             "generated/hash.php",
             "generated/ibase.php",
@@ -60,6 +61,7 @@
             "generated/mbstring.php",
             "generated/misc.php",
             "generated/mysql.php",
+            "generated/mysqli.php",
             "generated/network.php",
             "generated/oci8.php",
             "generated/opcache.php",
@@ -72,7 +74,6 @@
             "generated/ps.php",
             "generated/pspell.php",
             "generated/readline.php",
-            "generated/rnp.php",
             "generated/rpminfo.php",
             "generated/rrd.php",
             "generated/sem.php",
@@ -98,7 +99,8 @@
             "generated/yaml.php",
             "generated/yaz.php",
             "generated/zip.php",
-            "generated/zlib.php"
+            "generated/zlib.php",
+            "generated/rnp.php"
         ]
     },
     "require": {
diff --git a/generator/src/FileCreator.php b/generator/src/FileCreator.php
index bc90f12e..9c8d6e5f 100644
--- a/generator/src/FileCreator.php
+++ b/generator/src/FileCreator.php
@@ -28,6 +28,9 @@ public function generatePhpFile(array $functions, string $path): void
 
         foreach ($phpFunctionsByModule as $module => $phpFunctions) {
             $lcModule = \lcfirst($module);
+            if (!is_dir($path)) {
+                \mkdir($path);
+            }
             $stream = \fopen($path.$lcModule.'.php', 'w');
             if ($stream === false) {
                 throw new \RuntimeException('Unable to write to '.$path);
@@ -43,6 +46,27 @@ public function generatePhpFile(array $functions, string $path): void
         }
     }
 
+    /**
+     * @param string[] $versions
+     */
+    public function generateVersionSplitters(string $module, string $path, array $versions): void
+    {
+            $lcModule = \lcfirst($module);
+            $stream = \fopen($path.$lcModule.'.php', 'w');
+        if ($stream === false) {
+            throw new \RuntimeException('Unable to write to '.$path);
+        }
+            \fwrite($stream, "<?php\n");
+        foreach ($versions as $version) {
+            if (file_exists("$path/$version/$lcModule.php")) {
+                \fwrite($stream, "\nif(strpos(PHP_VERSION, \"$version.\") === 0) {");
+                \fwrite($stream, "\n    require_once __DIR__ . '/$version/$lcModule.php';");
+                  \fwrite($stream, "\n}");
+            }
+        }
+            \fclose($stream);
+    }
+
     /**
      * @param Method[] $functions
      * @return string[]
diff --git a/generator/src/GenerateCommand.php b/generator/src/GenerateCommand.php
index 572e5bd4..47b40653 100644
--- a/generator/src/GenerateCommand.php
+++ b/generator/src/GenerateCommand.php
@@ -25,36 +25,49 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $this->rmGenerated();
         // Let's build the DTD necessary to load the XML files.
         DocPage::buildEntities();
-        $scanner = new Scanner(__DIR__ . '/../doc/doc-en/en/reference/');
 
-        $paths = $scanner->getFunctionsPaths();
+        $versions = [
+            "8.1" => "9097ea48f608dbbbf795235a31af82b85bd94430",
+            "8.2" => "8f4e8cf3de08208e71eb0117f1c970c27e9120c9",
+            "8.3" => "7453a50321f0834421cebea8edade14deef5466b",
+            "8.4" => "d553fa36940639b0889ec4358fa3bbb92f123b69",
+            "8.5" => "master",
+        ];
+        $modules = [];
 
-        $res = $scanner->getMethods($paths);
-        $functions = $res->methods;
-        $overloadedFunctions = $res->overloadedFunctions;
+        foreach ($versions as $version => $commit) {
+            $process = new Process(['git', "checkout", $commit], __DIR__ . '/../doc/doc-en/en/reference/');
+            $process->run();
+            $scanner = new Scanner(__DIR__ . '/../doc/doc-en/en/reference/');
 
-        $output->writeln('These functions have been ignored and must be dealt with manually: '.\implode(', ', $overloadedFunctions));
+            $paths = $scanner->getFunctionsPaths();
 
-        $fileCreator = new FileCreator();
-        $fileCreator->generatePhpFile($functions, __DIR__ . '/../../generated/');
-        $fileCreator->generateFunctionsList($functions, __DIR__ . '/../../generated/functionsList.php');
-        $fileCreator->generateRectorFile($functions, __DIR__ . '/../../rector-migrate.php');
+            $res = $scanner->getMethods($paths);
+            $functions = $res->methods;
+            $overloadedFunctions = $res->overloadedFunctions;
 
+            $output->writeln('These functions have been ignored and must be dealt with manually: '.\implode(', ', $overloadedFunctions));
 
-        $modules = [];
-        foreach ($functions as $function) {
-            $moduleName = $function->getModuleName();
-            $modules[$moduleName] = $moduleName;
+            $fileCreator = new FileCreator();
+            $fileCreator->generatePhpFile($functions, __DIR__ . "/../../generated/$version/");
+            $fileCreator->generateFunctionsList($functions, __DIR__ . "/../../generated/$version/functionsList.php");
+            $fileCreator->generateRectorFile($functions, __DIR__ . "/../../generated/$version/rector-migrate.php");
+
+            foreach ($functions as $function) {
+                $moduleName = $function->getModuleName();
+                $modules[$moduleName] = $moduleName;
+            }
         }
 
         foreach ($modules as $moduleName => $foo) {
+            $fileCreator->generateVersionSplitters($moduleName, __DIR__ . "/../../generated/", array_keys($versions));
             $fileCreator->createExceptionFile((string) $moduleName);
         }
 
         $this->runCsFix($output);
 
         // Let's require the generated file to check there is no error.
-        $files = \glob(__DIR__.'/../../generated/*.php');
+        $files = \glob(__DIR__."/../../generated/8.1/*.php");
         if ($files === false) {
             throw new \RuntimeException('Failed to require the generated file');
         }
@@ -91,7 +104,7 @@ private function rmGenerated(): void
             \unlink($exception);
         }
 
-        $files = \glob(__DIR__.'/../../generated/*.php');
+        $files = \glob(__DIR__.'/../../generated/*/*.php');
         if ($files === false) {
             throw new \RuntimeException('Failed to require the generated files');
         }