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generate-functionmap.php
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generate-functionmap.php
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<?php
if (PHP_VERSION_ID < 80000) {
echo 'This script requires PHP 8.0 or higher';
exit(1);
}
$filename = __DIR__ . '/functionmap.php';
(new FunctionMapGenerator)->createFunctionMap($filename);
printf("Created call map in %s\n", $filename);
class FunctionMapGenerator
{
public function createFunctionMap(string $filename): void
{
$this->writeFunctionMap($filename, $this->getFunctionMap());
}
private function getFunctionMap(): array
{
$classes = array_filter(get_declared_classes(), $this->filterItems(...));
$interfaces = array_filter(get_declared_interfaces(), $this->filterItems(...));
$functions = array_filter(get_defined_functions()['internal'], $this->filterItems(...));
$functionMap = [];
// Generate call map for functions
foreach ($functions as $functionName) {
$reflectionFunction = new ReflectionFunction($functionName);
$functionMap[$reflectionFunction->getName()] = $this->getFunctionMapEntry($reflectionFunction);
}
// Generate call map for classes and interfaces
$members = array_merge($classes, $interfaces);
sort($members);
$skippedMethods = ['__set_state', '__wakeup', '__serialize', '__unserialize'];
foreach ($members as $member) {
$reflectionClass = new ReflectionClass($member);
foreach ($reflectionClass->getMethods(ReflectionMethod::IS_PUBLIC) as $method) {
if ($method->getDeclaringClass() != $reflectionClass && $method->getName() != '__toString') {
continue;
}
if (in_array($method->getName(), $skippedMethods, true)) {
continue;
}
$methodKey = $reflectionClass->getName() . '::' . $method->getName();
$functionMap[$methodKey] = $this->getFunctionMapEntry($method);
}
}
return $functionMap;
}
private function writeFunctionMap(string $filename, array $functionMap): void
{
$lines = [];
foreach ($functionMap as $methodName => $typeInfo) {
$generatedTypeInfo = implode(
', ',
array_map(
function (string|int $key, string $value): string {
if (is_int($key)) {
return $this->removeDoubleBackslash(var_export($value, true));
}
return sprintf('%s => %s', var_export($key, true), $this->removeDoubleBackslash(var_export($value, true)));
},
array_keys($typeInfo),
array_values($typeInfo)
)
);
$lines[] = sprintf(
' %s => [%s],',
$this->removeDoubleBackslash(var_export($methodName, true)),
$generatedTypeInfo
);
}
$fileTemplate = <<<'PHP'
<?php
$mongoDBFunctionMap = [
%s
];
PHP;
file_put_contents($filename, sprintf($fileTemplate, implode("\n", $lines)));
}
private function filterItems(string $name): bool {
$namespaces = ['MongoDB\BSON\\', 'MongoDB\Driver\\'];
$name = strtolower($name);
foreach ($namespaces as $namespace) {
// Always compare lowercase names, as get_defined_functions lowercases function names by default
if (str_starts_with($name, strtolower($namespace))) {
return true;
}
}
return false;
}
private function getFunctionMapEntry(ReflectionFunctionAbstract $function): array
{
$returnType = match(true) {
$function->hasReturnType() => (string) $function->getReturnType(),
$function->hasTentativeReturnType() => (string) $function->getTentativeReturnType(),
default => 'void',
};
$functionMapEntry = [$returnType];
foreach ($function->getParameters() as $parameter) {
$parameterKey = $parameter->getName();
if ($parameter->isOptional()) {
$parameterKey .= '=';
}
$functionMapEntry[$parameterKey] = (string) $parameter->getType();
}
return $functionMapEntry;
}
private function removeDoubleBackslash(string $string): string
{
return str_replace('\\\\', '\\', $string);
}
}

File Metadata

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text/x-php
Expires
Sat, Nov 14, 5:53 PM (13 h, 52 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
132235
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generate-functionmap.php (4 KB)

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