c65c190b71
- 实现EPUB阅读器搜索功能及选中注释功能 - 优化CFI模块，修复代码审查发现的11个问题 - 实现大书远距目录跳转与后台补全优化方案 - 优化设置面板与章节运行时联动 - 重构及大量改进优化
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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