Files
QLAppBundle/src/PreviewGenerator.swift
2025-11-05 18:18:08 +01:00

74 lines
2.4 KiB
Swift

import Foundation
let CLASS_HIDDEN = "hiddenDiv"
struct PreviewGenerator {
var data: [String: String] = [:] // used for TAG replacements
let meta: MetaInfo
init(_ meta: MetaInfo) {
self.meta = meta
guard let plistApp = meta.readPlistApp() else {
return
}
let plistItunes = meta.readPlistItunes()
let plistProvision = meta.readPlistProvision()
data["QuickLookTitle"] = stringForFileType(meta)
procAppInfo(plistApp, isOSX: meta.isOSX)
procItunesMeta(plistItunes)
procProvision(plistProvision, isOSX: meta.isOSX)
procEntitlements(meta, plistApp, plistProvision)
procFileInfo(meta.url)
procFooterInfo()
// App Icon (last, because the image uses a lot of memory)
data["AppIcon"] = AppIcon(meta).extractImage(from: plistApp).withRoundCorners().asBase64()
}
mutating func apply(_ values: [String: String]) {
data.merge(values) { (_, new) in new }
}
/// Title of the preview window
private func stringForFileType(_ meta: MetaInfo) -> String {
switch meta.type {
case .IPA: return "App info"
case .Archive: return "Archive info"
case .Extension: return "App extension info"
}
}
/// prepare html, replace values
func generate(template html: String, css: String) -> String {
let templateValues = data.merging(["CSS": css]) { (_, new) in new }
return html.regexReplace("__([^ _]{1,40}?)__") { templateValues[$0] }
}
}
extension String {
/// Replace regex-pattern with custom replacement.
/// @param pattern must include a regex group. (e.g. "a(b)c")
func regexReplace(_ pattern: String, with fn: (_ match: String) -> String?) -> String {
var rv = ""
var prevLoc = self.startIndex
let regex = try! NSRegularExpression(pattern: pattern)
regex.enumerateMatches(in: self, range: NSRange(location: 0, length: self.count), using: { match, flags, stop in
let start = self.index(self.startIndex, offsetBy: match!.range.lowerBound)
// append unrelated text up to this key
rv.append(contentsOf: self[prevLoc ..< start])
prevLoc = self.index(start, offsetBy: match!.range.length)
// append key if exists (else remove template-key)
let key = String(self[Range(match!.range(at: 1), in: self)!])
if let value = fn(key) {
rv.append(value)
} else {
// os_log(.debug, log: log, "unknown template key: %{public}@", key)
}
})
// append remaining text
rv.append(contentsOf: self[prevLoc ..< self.endIndex])
return rv
}
}