BibTeXKit

dependencies: [
    .package(url: "https://github.com/ezefranca/BibTeXKit.git", from: "1.0.1")
]

import SwiftUI
import BibTeXKit

struct ContentView: View {
    let bibtex = """
    @article{einstein1905,
        author = {Albert Einstein},
        title = {On the Electrodynamics of Moving Bodies},
        journal = {Annalen der Physik},
        year = {1905}
    }
    """
    
    var body: some View {
        BibTeXView(bibtex: bibtex)
    }
}

import BibTeXKit

let bibtex = "@article{key, author = {John Doe}, title = {Example}}"

do {
    let entries = try BibTeXParser.parse(bibtex)
    
    for entry in entries {
        print("Type: \(entry.type)")        // article
        print("Key: \(entry.key)")          // key
        print("Author: \(entry.author)")    // John Doe
    }
} catch {
    print("Parse error: \(error)")
}

BibTeXView(bibtex: myBibTeX)
    .lineNumbers(true)
    .bibTeXTheme(MonokaiTheme())
    .copyButtonHidden()
    .showMetadata(true)
    .formattingStyle(.aligned)
    .cornerRadius(12)
    .maxHeight(400)

BibTeXView(bibtex: bibtex)
    .bibTeXTheme(DefaultLightTheme())   // Default light theme
    .bibTeXTheme(DefaultDarkTheme())    // Default dark theme
    .bibTeXTheme(XcodeLightTheme())     // Xcode light
    .bibTeXTheme(XcodeDarkTheme())      // Xcode dark
    .bibTeXTheme(MonokaiTheme())        // Monokai (dark)
    .bibTeXTheme(SolarizedLightTheme()) // Solarized light
    .bibTeXTheme(SolarizedDarkTheme())  // Solarized dark

// Minimal - just the content
BibTeXView(bibtex: bibtex)
    .preset(.minimal)

// Compact - for tight spaces
BibTeXView(bibtex: bibtex)
    .preset(.compact)

// Full - all features enabled
BibTeXView(bibtex: bibtex)
    .preset(.full)

// Mobile - optimized for phones
BibTeXView(bibtex: bibtex)
    .preset(.mobile)

struct MyCustomTheme: BibTeXTheme {
    let name = "My Theme"
    let font = Font.system(size: 14, design: .monospaced)
    let backgroundColor = Color(hex: "#1e1e1e")
    let borderColor = Color.gray.opacity(0.3)
    
    func color(for token: BibTeXToken) -> Color {
        switch token {
        case .entryType: return Color(hex: "#ff6b6b")
        case .citationKey: return Color(hex: "#4ecdc4")
        case .fieldName: return Color(hex: "#45b7d1")
        case .string: return Color(hex: "#96ceb4")
        case .comment: return Color(hex: "#6c757d")
        default: return Color(hex: "#f8f9fa")
        }
    }
}

// Use it
BibTeXView(bibtex: bibtex)
    .bibTeXTheme(MyCustomTheme())

var options = BibTeXParser.Options()
options.convertLaTeXToUnicode = true    // Convert \"{u} to ü
options.normalizeFieldNames = true       // Lowercase field names
options.stripDelimiters = true           // Remove extra whitespace
options.preserveRawBibTeX = true         // Keep original string

let entries = try BibTeXParser.parse(bibtex, options: options)

let entry = entries.first!

// Convenience properties
entry.author      // Author field
entry.title       // Title field
entry.year        // Year field
entry.doi         // DOI field
entry.journal     // Journal field
entry.publisher   // Publisher field

// Subscript access (case-insensitive)
entry["author"]   // Same as entry.author
entry["TITLE"]    // Case insensitive

// Author parsing
entry.authors  // ["First Author", "Second Author"]

// Validation
let validation = entry.validate()
validation.isValid           // true if all required fields present
validation.missingRequired   // ["journal", "year"]
validation.missingOptional   // ["volume", "pages"]

// Different formatting styles
entry.formatted(style: .standard)  // Standard indentation
entry.formatted(style: .compact)   // Minimal whitespace
entry.formatted(style: .minimal)   // Single line per field
entry.formatted(style: .aligned)   // Aligned equals signs

// Citation formatting
entry.citation(style: .apa)      // APA format
entry.citation(style: .mla)      // MLA format
entry.citation(style: .chicago)  // Chicago format
entry.citation(style: .ieee)     // IEEE format
entry.citation(style: .harvard)  // Harvard format

// Create modified copies
let updated = entry
    .with(field: "note", value: "Important")
    .with(key: "newkey")
    .with(type: .book)
    .with(fields: ["abstract": "...", "keywords": "..."])

import BibTeXKit

// Accents
LaTeXConverter.toUnicode("M\\\"uller")     // "Müller"
LaTeXConverter.toUnicode("Caf\\'e")        // "Café"
LaTeXConverter.toUnicode("\\~nino")        // "ñino"

// Special characters
LaTeXConverter.toUnicode("\\ss")           // "ß"
LaTeXConverter.toUnicode("\\ae")           // "æ"

// Greek letters
LaTeXConverter.toUnicode("\\alpha")        // "α"
LaTeXConverter.toUnicode("\\Omega")        // "Ω"

// Math symbols
LaTeXConverter.toUnicode("\\infty")        // "∞"
LaTeXConverter.toUnicode("\\pm")           // "±"

// Reverse conversion
LaTeXConverter.toLaTeX("Müller")           // "M\\\"uller"