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system/Exceptions/BadFunctionCallException.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Exception thrown if a function is called in the wrong way, or the function
+ * does not exist.
+ */
+class BadFunctionCallException extends \BadFunctionCallException implements ExceptionInterface
+{
+}

system/Exceptions/BadMethodCallException.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Exception thrown if a method is called in the wrong way, or the method
+ * does not exist.
+ */
+class BadMethodCallException extends \BadMethodCallException implements ExceptionInterface
+{
+}

system/Exceptions/ConfigException.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Exception thrown if the value of the Config class is invalid or the type is
+ * incorrect.
+ */
+class ConfigException extends RuntimeException implements HasExitCodeInterface
+{
+    use DebugTraceableTrait;
+
+    public function getExitCode(): int
+    {
+        return EXIT_CONFIG;
+    }
+
+    /**
+     * @return static
+     */
+    public static function forDisabledMigrations()
+    {
+        return new static(lang('Migrations.disabled'));
+    }
+}

system/Exceptions/CriticalError.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Error: Critical conditions, like component unavailable, etc.
+ */
+class CriticalError extends RuntimeException
+{
+}

system/Exceptions/DebugTraceableTrait.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+use Throwable;
+
+/**
+ * This trait provides framework exceptions the ability to pinpoint
+ * accurately where the exception was raised rather than instantiated.
+ *
+ * This is used primarily for factory-instantiated exceptions.
+ */
+trait DebugTraceableTrait
+{
+    /**
+     * Tweaks the exception's constructor to assign the file/line to where
+     * it is actually raised rather than were it is instantiated.
+     */
+    final public function __construct(string $message = '', int $code = 0, ?Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+
+        $trace = $this->getTrace()[0];
+
+        if (isset($trace['class']) && $trace['class'] === static::class) {
+            [
+                'line' => $this->line,
+                'file' => $this->file,
+            ] = $trace;
+        }
+    }
+}

system/Exceptions/DownloadException.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Class DownloadException
+ */
+class DownloadException extends RuntimeException
+{
+    use DebugTraceableTrait;
+
+    /**
+     * @return static
+     */
+    public static function forCannotSetFilePath(string $path)
+    {
+        return new static(lang('HTTP.cannotSetFilepath', [$path]));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forCannotSetBinary()
+    {
+        return new static(lang('HTTP.cannotSetBinary'));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forNotFoundDownloadSource()
+    {
+        return new static(lang('HTTP.notFoundDownloadSource'));
+    }
+
+    /**
+     * @deprecated Since v4.5.6
+     *
+     * @return static
+     */
+    public static function forCannotSetCache()
+    {
+        return new static(lang('HTTP.cannotSetCache'));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forCannotSetStatusCode(int $code, string $reason)
+    {
+        return new static(lang('HTTP.cannotSetStatusCode', [$code, $reason]));
+    }
+}

system/Exceptions/ExceptionInterface.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Provides a domain-level interface for broad capture
+ * of all framework-related exceptions.
+ *
+ * catch (\CodeIgniter\Exceptions\ExceptionInterface) { ... }
+ */
+interface ExceptionInterface
+{
+}

system/Exceptions/FrameworkException.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Class FrameworkException
+ *
+ * A collection of exceptions thrown by the framework
+ * that can only be determined at run time.
+ */
+class FrameworkException extends RuntimeException
+{
+    use DebugTraceableTrait;
+
+    /**
+     * @return static
+     */
+    public static function forEnabledZlibOutputCompression()
+    {
+        return new static(lang('Core.enabledZlibOutputCompression'));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forInvalidFile(string $path)
+    {
+        return new static(lang('Core.invalidFile', [$path]));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forInvalidDirectory(string $path)
+    {
+        return new static(lang('Core.invalidDirectory', [$path]));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forCopyError(string $path)
+    {
+        return new static(lang('Core.copyError', [$path]));
+    }
+
+    /**
+     * @return static
+     *
+     * @deprecated 4.5.0 No longer used.
+     */
+    public static function forMissingExtension(string $extension)
+    {
+        if (str_contains($extension, 'intl')) {
+            // @codeCoverageIgnoreStart
+            $message = sprintf(
+                'The framework needs the following extension(s) installed and loaded: %s.',
+                $extension,
+            );
+            // @codeCoverageIgnoreEnd
+        } else {
+            $message = lang('Core.missingExtension', [$extension]);
+        }
+
+        return new static($message);
+    }
+
+    /**
+     * @return static
+     */
+    public static function forNoHandlers(string $class)
+    {
+        return new static(lang('Core.noHandlers', [$class]));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forFabricatorCreateFailed(string $table, string $reason)
+    {
+        return new static(lang('Fabricator.createFailed', [$table, $reason]));
+    }
+}

system/Exceptions/HTTPExceptionInterface.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Interface for Exceptions that has exception code as HTTP status code.
+ */
+interface HTTPExceptionInterface extends ExceptionInterface
+{
+}

system/Exceptions/HasExitCodeInterface.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Interface for Exceptions that has exception code as exit code.
+ */
+interface HasExitCodeInterface extends ExceptionInterface
+{
+    /**
+     * Returns exit status code.
+     */
+    public function getExitCode(): int;
+}

system/Exceptions/InvalidArgumentException.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Exception thrown if an argument is not of the expected type.
+ */
+class InvalidArgumentException extends \InvalidArgumentException implements ExceptionInterface
+{
+}

system/Exceptions/LogicException.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Exception that represents error in the program logic.
+ */
+class LogicException extends \LogicException implements ExceptionInterface
+{
+}

system/Exceptions/ModelException.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Model Exceptions.
+ */
+class ModelException extends FrameworkException
+{
+    /**
+     * @return static
+     */
+    public static function forNoPrimaryKey(string $modelName)
+    {
+        return new static(lang('Database.noPrimaryKey', [$modelName]));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forNoDateFormat(string $modelName)
+    {
+        return new static(lang('Database.noDateFormat', [$modelName]));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forMethodNotAvailable(string $modelName, string $methodName)
+    {
+        return new static(lang('Database.methodNotAvailable', [$modelName, $methodName]));
+    }
+}

system/Exceptions/PageNotFoundException.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+class PageNotFoundException extends RuntimeException implements HTTPExceptionInterface
+{
+    use DebugTraceableTrait;
+
+    /**
+     * HTTP status code
+     *
+     * @var int
+     */
+    protected $code = 404;
+
+    /**
+     * @return static
+     */
+    public static function forPageNotFound(?string $message = null)
+    {
+        return new static($message ?? self::lang('HTTP.pageNotFound'));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forEmptyController()
+    {
+        return new static(self::lang('HTTP.emptyController'));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forControllerNotFound(string $controller, string $method)
+    {
+        return new static(self::lang('HTTP.controllerNotFound', [$controller, $method]));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forMethodNotFound(string $method)
+    {
+        return new static(self::lang('HTTP.methodNotFound', [$method]));
+    }
+
+    /**
+     * @return static
+     */
+    public static function forLocaleNotSupported(string $locale)
+    {
+        return new static(self::lang('HTTP.localeNotSupported', [$locale]));
+    }
+
+    /**
+     * Get translated system message
+     *
+     * Use a non-shared Language instance in the Services.
+     * If a shared instance is created, the Language will
+     * have the current locale, so even if users call
+     * `$this->request->setLocale()` in the controller afterwards,
+     * the Language locale will not be changed.
+     */
+    private static function lang(string $line, array $args = []): string
+    {
+        $lang = service('language', null, false);
+
+        return $lang->getLine($line, $args);
+    }
+}

system/Exceptions/RuntimeException.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Exception thrown if an error which can only be found on runtime occurs.
+ */
+class RuntimeException extends \RuntimeException implements ExceptionInterface
+{
+}

system/Exceptions/TestException.php

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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Exceptions;
+
+/**
+ * Exception thrown when there is an error with the test code.
+ */
+class TestException extends LogicException
+{
+    use DebugTraceableTrait;
+
+    /**
+     * @return static
+     */
+    public static function forInvalidMockClass(string $name)
+    {
+        return new static(lang('Test.invalidMockClass', [$name]));
+    }
+}