Sven
9de2358480
Migriert die weiterhin benötigten Zeitaufgaben einschließlich SOAP-Importen, Betriebsstatus und Wiederanlaufkontrolle. Aktiviert 115 native Spring-Tasks im Docker-Image ohne Cron-Daemon oder PHP und dokumentiert die entfallenen HHA-Aufrufe. Ergänzt PHP-/UI-Testwerkzeuge und aktualisiert den Projektstand auf Version 0.2.0.
95 lines
4.1 KiB
PHP
95 lines
4.1 KiB
PHP
<?php
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/** Load only named top-level functions, never the application's startup code. */
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final class LegacyFunctions
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{
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public static function load(string $root, array $selection): array
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{
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$manifest = [];
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foreach ($selection as $relative => $names) {
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$file = $root . '/' . $relative;
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if (!is_file($file) || !is_readable($file)) {
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throw new RuntimeException('Missing readable source: ' . $file);
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}
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$source = file_get_contents($file);
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$functions = self::extract($source, $names);
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foreach ($functions as $name => $definition) {
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if (function_exists($name)) {
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throw new RuntimeException('Function already defined: ' . $name);
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}
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// Preserve the source bytes and weak scalar coercion of the legacy code.
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eval($definition['code']);
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$manifest[$relative]['functions'][$name] = [
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'line' => $definition['line'],
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'sha256' => hash('sha256', $definition['code']),
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];
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}
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$manifest[$relative]['sha256'] = hash('sha256', $source);
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}
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return $manifest;
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}
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public static function extract(string $source, array $names): array
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{
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$tokens = token_get_all($source);
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$found = [];
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$depth = 0;
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for ($i = 0, $count = count($tokens); $i < $count; $i++) {
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$token = $tokens[$i];
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if ($depth === 0 && is_array($token) && $token[0] === T_FUNCTION) {
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$j = $i + 1;
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while (isset($tokens[$j]) && is_array($tokens[$j]) &&
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in_array($tokens[$j][0], [T_WHITESPACE, T_COMMENT, T_DOC_COMMENT,
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T_AMPERSAND_NOT_FOLLOWED_BY_VAR_OR_VARARG, T_AMPERSAND_FOLLOWED_BY_VAR_OR_VARARG], true)) {
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$j++;
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}
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$name = is_array($tokens[$j] ?? null) && $tokens[$j][0] === T_STRING
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? $tokens[$j][1] : null;
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if ($name !== null && in_array($name, $names, true)) {
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if (isset($found[$name])) {
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throw new RuntimeException('Duplicate function: ' . $name);
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}
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$code = '';
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$bodyDepth = 0;
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$started = false;
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for ($j = $i; $j < $count; $j++) {
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$part = $tokens[$j];
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$code .= is_array($part) ? $part[1] : $part;
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if (is_array($part) && in_array($part[0], [T_INCLUDE, T_INCLUDE_ONCE,
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T_REQUIRE, T_REQUIRE_ONCE, T_EVAL, T_EXIT], true)) {
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throw new RuntimeException('Unsafe startup/exit operation in ' . $name);
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}
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if ($part === '{' || (is_array($part) && in_array($part[0],
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[T_CURLY_OPEN, T_DOLLAR_OPEN_CURLY_BRACES], true))) {
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$bodyDepth++;
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$started = true;
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} elseif ($part === '}') {
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$bodyDepth--;
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if ($started && $bodyDepth === 0) {
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$found[$name] = ['code' => $code, 'line' => $token[2]];
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$i = $j;
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break;
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}
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}
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}
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if (!isset($found[$name])) {
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throw new RuntimeException('Incomplete function: ' . $name);
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}
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continue;
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}
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}
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if ($token === '{' || (is_array($token) && in_array($token[0],
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[T_CURLY_OPEN, T_DOLLAR_OPEN_CURLY_BRACES], true))) {
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$depth++;
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} elseif ($token === '}') {
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$depth--;
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}
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}
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$missing = array_diff($names, array_keys($found));
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if ($missing) {
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throw new RuntimeException('Missing top-level function(s): ' . implode(', ', $missing));
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}
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return $found;
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}
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}
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