d7fcda345d
- Rename source module from RDReaderView to RDEpubReaderView - Move all source files from Sources/RDReaderView/ to Sources/RDEpubReaderView/ - Update podspec: RDReaderView.podspec -> RDEpubReaderView.podspec - Update Podfile, demo project, and CocoaPods config for new pod name - Delete old RDReaderView pod support files from ReadViewDemo/Pods - Add new RDEpubReaderView pod support files - Update documentation (API ref, architecture, UML, conventions, etc.) - Add FixedLayoutRotationTests - Update .gitignore: exclude .DS_Store, manual unpack backups, _ssoft-output
64 lines
2.0 KiB
Swift
64 lines
2.0 KiB
Swift
import Foundation
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public enum RDEPUBNoteDetector {
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private static let noteTokens = [
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"noteref",
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"footnote",
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"endnote",
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"rearnote",
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"fnref",
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"fn-",
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"fn_",
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"note",
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"annotation"
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]
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public static func makeReferenceIfLikelyNote(
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sourceHref: String,
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sourceCFI: String?,
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targetHref: String,
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targetFragment: String?,
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targetCFI: String?,
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targetElementHTML: String?
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) -> RDEPUBNoteReference? {
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let haystack = [
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targetHref,
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targetFragment ?? "",
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targetElementHTML ?? ""
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].joined(separator: " ").lowercased()
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guard noteTokens.contains(where: { haystack.contains($0) }) ||
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hasEPUBType("footnote", in: targetElementHTML) ||
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hasEPUBType("endnote", in: targetElementHTML) ||
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hasEPUBType("rearnote", in: targetElementHTML) else {
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return nil
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}
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return RDEPUBNoteReference(
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sourceHref: sourceHref,
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sourceCFI: sourceCFI,
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targetHref: targetHref,
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targetFragment: targetFragment,
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targetCFI: targetCFI,
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label: targetFragment,
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kind: kind(from: haystack)
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)
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}
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public static func kind(from text: String) -> RDEPUBNoteKind {
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let lowered = text.lowercased()
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if lowered.contains("endnote") { return .endnote }
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if lowered.contains("rearnote") { return .rearnote }
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if lowered.contains("footnote") || lowered.contains("fn") { return .footnote }
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return .unknown
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}
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private static func hasEPUBType(_ type: String, in html: String?) -> Bool {
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guard let html else { return false }
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let pattern = #"epub:type\s*=\s*['"][^'"]*\b"# + NSRegularExpression.escapedPattern(for: type) + #"\b[^'"]*['"]"#
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return html.range(of: pattern, options: [.regularExpression, .caseInsensitive]) != nil
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}
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}
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