NetNewsWire/Shared/ArticleStyles/ArticleTheme.swift

104 lines
3.0 KiB
Swift

//
// ArticleTheme.swift
// NetNewsWire
//
// Created by Brent Simmons on 9/26/15.
// Copyright © 2015 Ranchero Software, LLC. All rights reserved.
//
import Foundation
struct ArticleTheme: Equatable {
static let defaultTheme = ArticleTheme()
static let nnwThemeSuffix = ".nnwtheme"
private static let defaultThemeName = NSLocalizedString("Default", comment: "Default")
private static let unknownValue = NSLocalizedString("Unknown", comment: "Unknown Value")
let path: String?
let template: String?
let css: String?
let isAppTheme: Bool
var name: String {
guard let path = path else { return Self.defaultThemeName }
return Self.themeNameForPath(path)
}
var creatorHomePage: String {
return info?.creatorHomePage ?? Self.unknownValue
}
var creatorName: String {
return info?.creatorName ?? Self.unknownValue
}
var version: String {
return String(describing: info?.version ?? 0)
}
private let info: ArticleThemePlist?
init() {
self.path = nil;
self.info = ArticleThemePlist(name: "Article Theme", themeIdentifier: "com.ranchero.netnewswire.theme.article", creatorHomePage: "https://netnewswire.com/", creatorName: "Ranchero Software", version: 1)
let corePath = Bundle.main.path(forResource: "core", ofType: "css")!
let stylesheetPath = Bundle.main.path(forResource: "stylesheet", ofType: "css")!
css = Self.stringAtPath(corePath)! + "\n" + Self.stringAtPath(stylesheetPath)!
let templatePath = Bundle.main.path(forResource: "template", ofType: "html")!
template = Self.stringAtPath(templatePath)!
isAppTheme = true
}
init(path: String, isAppTheme: Bool) throws {
self.path = path
let infoPath = (path as NSString).appendingPathComponent("Info.plist")
let data = try Data(contentsOf: URL(fileURLWithPath: infoPath))
self.info = try PropertyListDecoder().decode(ArticleThemePlist.self, from: data)
let corePath = Bundle.main.path(forResource: "core", ofType: "css")!
let stylesheetPath = (path as NSString).appendingPathComponent("stylesheet.css")
if let stylesheetCSS = Self.stringAtPath(stylesheetPath) {
self.css = Self.stringAtPath(corePath)! + "\n" + stylesheetCSS
} else {
self.css = nil
}
let templatePath = (path as NSString).appendingPathComponent("template.html")
self.template = Self.stringAtPath(templatePath)
self.isAppTheme = isAppTheme
}
static func stringAtPath(_ f: String) -> String? {
if !FileManager.default.fileExists(atPath: f) {
return nil
}
if let s = try? NSString(contentsOfFile: f, usedEncoding: nil) as String {
return s
}
return nil
}
static func filenameWithThemeSuffixRemoved(_ filename: String) -> String {
return filename.stripping(suffix: Self.nnwThemeSuffix)
}
static func themeNameForPath(_ f: String) -> String {
let filename = (f as NSString).lastPathComponent
return filenameWithThemeSuffixRemoved(filename)
}
static func pathIsPathForThemeName(_ themeName: String, path: String) -> Bool {
let filename = (path as NSString).lastPathComponent
return filenameWithThemeSuffixRemoved(filename) == themeName
}
}