feat(validation): add IValidationRule interface and implementations for port validation

static_site/index.html

@@ -170,7 +170,7 @@
 			<p><strong>Version:</strong> 1.0.0</p>
 			<p><strong>Started:</strong> <span id="timestamp"></span></p>
 		</div>
-		<img src="/images/nginy.jpg" alt="Nginx"
+		<img src="/images/nginy.png" alt="Nginx"
 			style="display: block; margin: 2rem auto; max-width: 100%; border-radius: 15px; box-shadow: 0 8px 32px rgba(0,0,0,0.1);">
 		<footer class="footer">
 			<p>&copy; 2024 WebServ Project. Built with passion for web technologies.</p>

webserv/config/config_validator/IValidationRule.hpp

@@ -0,0 +1,21 @@
+#pragma once
+#include <string>
+
+
+class ValidationResult;
+
+class IValidationRule
+{
+  public:
+    virtual ~IValidationRule() = default;
+
+    IValidationRule(const IValidationRule &other) = delete;
+    IValidationRule &operator=(const IValidationRule &other) = delete;
+    IValidationRule(IValidationRule &&other) noexcept = delete;
+    IValidationRule &operator=(IValidationRule &&other) noexcept = delete;
+
+    [[nodiscard]] virtual ValidationResult validate(const std::string &Adirective) const = 0;
+    [[nodiscard]] virtual std::string getRuleName() const = 0;
+    [[nodiscard]] virtual std::string getDescription() const = 0;
+    
+};

webserv/config/config_validator/PortValidationRule.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "webserv/config/config_validator/IValidationRule.hpp"
+class PortValidationRule : public IValidationRule
+{
+  public:
+    PortValidationRule() = default;
+    ~PortValidationRule() override = default;
+
+    PortValidationRule(const PortValidationRule &other) = delete;
+    PortValidationRule &operator=(const PortValidationRule &other) = delete;
+    PortValidationRule(PortValidationRule &&other) noexcept = delete;
+    PortValidationRule &operator=(PortValidationRule &&other) noexcept = delete;
+
+    [[nodiscard]] ValidationResult validate(const std::string &value) const override;
+    [[nodiscard]] std::string getRuleName() const override { return "PortValidationRule"; }
+    [[nodiscard]] std::string getDescription() const override { return "Validates that a port number is between 1 and 65535"; }
+};

webserv/config/config_validator/ValidationResult.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <string>
+
+class ValidationResult
+{
+  public:
+    ~ValidationResult() = default;
+
+    ValidationResult(const ValidationResult &other) = delete;
+    ValidationResult &operator=(const ValidationResult &other) = delete;
+    ValidationResult(ValidationResult &&other) noexcept = default;
+    ValidationResult &operator=(ValidationResult &&other) noexcept = default;
+
+    static ValidationResult success();
+    static ValidationResult error(const std::string &message);
+
+  private:
+    ValidationResult(bool isValid, std::string errorMessage = "");
+    bool isValid;
+    std::string errorMessage;
+};