### Carthage Configuration

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/index.html

Add these lines to your Cartfile to integrate the library via Carthage.

```text
github "gumob/TLDExtractSwift" ~> 3.0
```

```text
github "gumob/TLDExtractSwift" ~> 2.0
```

```text
github "gumob/TLDExtractSwift" ~> 1.0
```

--------------------------------

### parse(_:quick:)

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Classes/TLDExtract.html

Parses a given hostname to extract its TLD components.

```APIDOC
## parse(_:quick:)

### Description
Extracts the top-level domain from the provided input.

### Parameters
- **input** (T: TLDExtractable) - Required - The hostname to be parsed.
- **quick** (Bool) - Optional - If true, parses only normal data, excluding exceptions and wildcards. Defaults to false.

### Returns
- **TLDResult?** - The extracted TLD information or nil if parsing fails.
```

--------------------------------

### init(useFrozenData:)

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Classes/TLDExtract.html

Initializes a new instance of the TLDExtract class. Allows specifying whether to use a pre-fetched frozen dataset or fetch the public suffix list remotely.

```APIDOC
## init(useFrozenData:)

### Description
Initializes the TLDExtract instance. Throws a TLDExtractError.pslParseError if the public suffix list cannot be parsed.

### Parameters
- **useFrozenData** (Bool) - Optional - A Boolean value indicating whether to use a pre-fetched public suffix list. Defaults to false.
```

--------------------------------

### Extract from String

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/index.html

Parse URLs or hostnames provided as strings to retrieve domain components.

```swift
let urlString: String = "https://www.github.com/gumob/TLDExtract"
guard let result: TLDResult = extractor.parse(urlString) else { return }

print(result.rootDomain)        // Optional("github.com")
print(result.topLevelDomain)    // Optional("com")
print(result.secondLevelDomain) // Optional("github")
print(result.subDomain)         // Optional("www")
```

```swift
let hostname: String = "gumob.com"
guard let result: TLDResult = extractor.parse(hostname) else { return }

print(result.rootDomain)        // Optional("gumob.com")
print(result.topLevelDomain)    // Optional("com")
print(result.secondLevelDomain) // Optional("gumob")
print(result.subDomain)         // nil
```

```swift
let hostname: String = "www.ラーメン.寿司.co.jp"
guard let result: TLDResult = extractor.parse(hostname) else { return }

print(result.rootDomain)        // Optional("寿司.co.jp")
print(result.topLevelDomain)    // Optional("co.jp")
print(result.secondLevelDomain) // Optional("寿司")
print(result.subDomain)         // Optional("www.ラーメン")
```

```swift
let hostname: String = "www.xn--4dkp5a8a.xn--sprr0q.co.jp")"
guard let result: TLDResult = extractor.parse(hostname) else { return }

print(result.rootDomain)        // Optional("xn--sprr0q.co.jp")
print(result.topLevelDomain)    // Optional("co.jp")
print(result.secondLevelDomain) // Optional("xn--sprr0q")
print(result.subDomain)         // Optional("www.xn--4dkp5a8a")
```

--------------------------------

### Initialize TLDExtract

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Classes/TLDExtract.html

Initializes the extractor with an option to use frozen data instead of fetching a remote list.

```Swift
public init(useFrozenData: Bool = false) throws
```

--------------------------------

### Parse Hostname

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Classes/TLDExtract.html

Extracts TLD information from a given host, with an optional quick mode to skip exceptions and wildcards.

```Swift
public func parse<T>(_ input: T, quick: Bool = false) -> TLDResult? where T : TLDExtractable
```

--------------------------------

### CocoaPods Integration

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/index.html

Add these lines to your Podfile to integrate the library via CocoaPods.

```ruby
pod 'TLDExtractSwift', '~> 3.0'
```

```ruby
pod 'TLDExtract', '~> 2.0'
```

```ruby
pod 'TLDExtract', '~> 1.0'
```

--------------------------------

### hostname

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Extensions/URL.html

Retrieves the hostname from a URL instance.

```APIDOC
## public var hostname: String?

### Description
Returns the hostname extracted from the URL instance.

### Declaration
`public var hostname: String? { get }`

### Return Value
A `String` representing the hostname, or `nil` if the hostname cannot be extracted.
```

--------------------------------

### var hostname: String?

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Extensions/String.html

Extracts the hostname from a string, handling both URLs and plain domain names.

```APIDOC
## var hostname: String?

### Description
Returns the hostname extracted from the string. This property uses regular expressions to identify the hostname, accounting for schemes like http:// or https://.

### Declaration
`public var hostname: String? { get }`

### Return Value
- **String?** - The extracted hostname, or nil if extraction fails.
```

--------------------------------

### Swift Package Manager Dependencies

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/index.html

Add these dependencies to your Package.swift file based on your target platform and Swift version requirements.

```swift
dependencies: [
    .package(url: "https://github.com/gumob/TLDExtractSwift.git", .upToNextMajor(from: "3.0.0"))
]
```

```swift
dependencies: [
    .package(url: "https://github.com/gumob/TLDExtractSwift.git", .upToNextMajor(from: "2.1.1"))
]
```

--------------------------------

### Declare Hostname Property

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Protocols/TLDExtractable.html

The required property declaration for conforming types to return an optional hostname string.

```Swift
var hostname: String? { get }
```

--------------------------------

### Extract from Foundation URL

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/index.html

Parse Foundation URL objects, including workarounds for unicode support.

```swift
let urlString: String = "http://www.ラーメン.寿司.co.jp"
let url: URL = URL(unicodeString: urlString)
guard let result: TLDResult = extractor.parse(url) else { return }

print(result.rootDomain)        // Optional("www.ラーメン.寿司.co.jp")
print(result.topLevelDomain)    // Optional("co.jp")
print(result.secondLevelDomain) // Optional("寿司")
print(result.subDomain)         // Optional("www.ラーメン")
```

```swift
let urlString: String = "http://www.ラーメン.寿司.co.jp".addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)!
let url: URL = URL(string: urlString)
print(urlString)                // http://www.%E3%83%A9%E3%83%BC%E3%83%A1%E3%83%B3.%E5%AF%BF%E5%8F%B8.co.jp

guard let result: TLDResult = extractor.parse(url) else { return }

print(result.rootDomain)        // Optional("www.ラーメン.寿司.co.jp")
print(result.topLevelDomain)    // Optional("co.jp")
print(result.secondLevelDomain) // Optional("寿司")
print(result.subDomain)         // Optional("www.ラーメン")
```

```swift
import Punycode

let urlString: String = "http://www.ラーメン.寿司.co.jp".idnaEncoded!
let url: URL = URL(string: urlString)
print(urlString)                // http://www.xn--4dkp5a8a.xn--sprr0q.co.jp

guard let result: TLDResult = extractor.parse(url) else { return }

print(result.rootDomain)        // Optional("xn--sprr0q.co.jp")
print(result.topLevelDomain)    // Optional("co.jp")
print(result.secondLevelDomain) // Optional("xn--sprr0q")
print(result.subDomain)         // Optional("www.xn--4dkp5a8a")
```

--------------------------------

### Conform URL to TLDExtractable

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Extensions/URL.html

Declares the conformance of the URL type to the TLDExtractable protocol.

```Swift
extension URL: TLDExtractable
```

--------------------------------

### String TLDExtractable Extension

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Extensions.html

Conforms the String type to the TLDExtractable protocol for hostname extraction.

```Swift
extension String: TLDExtractable
```

--------------------------------

### TLDResult Property Declarations

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Structs/TLDResult.html

Individual property declarations for the components of a domain name.

```Swift
public let rootDomain: String?
```

```Swift
public let topLevelDomain: String?
```

```Swift
public let secondLevelDomain: String?
```

```Swift
public let subDomain: String?
```

--------------------------------

### Extract hostname from URL

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Extensions/URL.html

Accesses the hostname property of a URL, returning a string or nil if extraction fails.

```Swift
public var hostname: String? { get }
```

--------------------------------

### TLDExtract Class

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Classes.html

The TLDExtract class is the primary interface for extracting TLDs from hostnames. It can be initialized to use either a remote public suffix list or a frozen dataset.

```APIDOC
## TLDExtract

### Description
TLDExtract is a class that extracts the top-level domain (TLD) from a given hostname. It can fetch the public suffix list from a remote source or use a frozen dataset.

### Declaration
`public class TLDExtract`

### Parameters
- **useFrozenData** (Boolean) - A Boolean value indicating whether to use a pre-fetched public suffix list.

### Errors
- **TLDExtractError.pslParseError**: Thrown if there is an error while parsing the public suffix list.
```

--------------------------------

### Update Import Statement

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/index.html

Update your source code imports to reflect the library name change in version 3.0.0.

```swift
  - import TLDExtract
  + import TLDExtractSwift
```

--------------------------------

### Define TLDExtractable Protocol

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Protocols/TLDExtractable.html

The base protocol definition requiring types to provide a hostname.

```Swift
public protocol TLDExtractable
```

--------------------------------

### TLDResult Structure Declaration

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Structs/TLDResult.html

The primary structure definition for TLD extraction results.

```Swift
public struct TLDResult
```

--------------------------------

### TLDExtract Class Definition

Source: https://gumob.github.io/TLDExtractSwift/swiftdoc/Classes/TLDExtract.html

The primary class for TLD extraction operations.

```Swift
public class TLDExtract
```

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