Upgrade to Swift 6

1 files changed, 215 insertions, 0 deletions

diff --git a/Map/Business/MapParser/MapParser.swift b/Map/Business/MapParser/MapParser.swift
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+++ b/Map/Business/MapParser/MapParser.swift
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+// Copyright (C) 2024 Rubén Beltrán del Río
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see https://map.tranquil.systems.
+import CoreGraphics
+import Foundation
+
+struct MapParser {
+  static func parse(content: String) -> ParsedMap {
+
+    let parsers = [
+      AnyMapParserStrategy(NoteParserStrategy()),
+      AnyMapParserStrategy(VertexParserStrategy()),
+      AnyMapParserStrategy(EdgeParserStrategy()),
+      AnyMapParserStrategy(BlockerParserStrategy()),
+      AnyMapParserStrategy(OpportunityParserStrategy()),
+      AnyMapParserStrategy(StageParserStrategy()),
+      AnyMapParserStrategy(GroupParserStrategy()),
+    ]
+    let builder = MapBuilder()
+
+    let lines = content.split(whereSeparator: \.isNewline)
+
+    for (index, line) in lines.enumerated() {
+      for parser in parsers {
+        if parser.canHandle(line: String(line)) {
+          let (type, object) = parser.handle(
+            index: index, line: String(line), vertices: builder.vertices)
+          builder.addObjectToMap(type: type, object: object)
+          break
+        }
+      }
+    }
+
+    return builder.build()
+  }
+}
+
+// MARK: - Types
+
+struct MapParsingPatterns {
+  static let vertex = try! NSRegularExpression(
+    pattern:
+      "^([^\\(\\[\\]]*?)[\\s]*\\([\\s]*([0-9]+.?[0-9]*)[\\s]*,[\\s]*([0-9]+.?[0-9]*)[\\s]*\\)[\\s]*(?:\\[(.*?)\\])?[\\s]*$",
+    options: [.caseInsensitive, .anchorsMatchLines])
+  static let edge = try! NSRegularExpression(
+    pattern: "^(.+?)[\\s]*-([->])[\\s]*(.+)", options: [.caseInsensitive, .anchorsMatchLines])
+  static let blocker = try! NSRegularExpression(
+    pattern: "^\\[(Blocker)\\][\\s]*(.+)", options: [.caseInsensitive, .anchorsMatchLines])
+  static let opportunity = try! NSRegularExpression(
+    pattern: "^\\[(Evolution)\\][\\s]*(.+)[\\s]+([-+])[\\s]*([0-9]+.?[0-9]*)",
+    options: [.caseInsensitive, .anchorsMatchLines])
+  static let note = try! NSRegularExpression(
+    pattern:
+      "^\\[(Note)\\][\\s]*\\([\\s]*([0-9]+.?[0-9]*)[\\s]*,[\\s]*([0-9]+.?[0-9]*)[\\s]*\\)[\\s]*(.*)",
+    options: [.caseInsensitive, .anchorsMatchLines])
+  static let stage = try! NSRegularExpression(
+    pattern: "^\\[(I{1,3})\\][\\s]*([0-9]+.?[0-9]*)",
+    options: [.caseInsensitive, .anchorsMatchLines])
+  static let group = try! NSRegularExpression(
+    pattern: "^\\[(Group)\\][\\s]*(.+)", options: [.caseInsensitive, .anchorsMatchLines])
+}
+
+struct ParsedMap {
+  let vertices: [Vertex]
+  let edges: [MapEdge]
+  let blockers: [Blocker]
+  let opportunities: [Opportunity]
+  let notes: [Note]
+  let stages: [CGFloat]
+  let groups: [[Vertex]]
+
+  static let empty: ParsedMap = ParsedMap(
+    vertices: [], edges: [], blockers: [], opportunities: [], notes: [], stages: defaultDimensions,
+    groups: [])
+}
+
+struct Vertex: Identifiable, Hashable {
+  let id: Int
+  let label: String
+  let position: CGPoint
+  var shape: VertexShape = .circle
+}
+
+struct Note {
+  let id: Int
+  let position: CGPoint
+  let text: String
+}
+
+enum VertexShape: String {
+  case circle
+  case square
+  case triangle
+  case x
+}
+
+struct MapEdge {
+  let id: Int
+  let origin: CGPoint
+  let destination: CGPoint
+  let arrowhead: Bool
+}
+
+struct Blocker {
+  let id: Int
+  let position: CGPoint
+}
+
+struct Opportunity {
+  let id: Int
+  let origin: CGPoint
+  let destination: CGPoint
+}
+
+struct StageDimensions {
+  let index: Int
+  let dimensions: CGFloat
+}
+
+private let defaultDimensions: [CGFloat] = [
+  25.0,
+  50.0,
+  75.0,
+]
+
+// MARK: - MapParserStrategy protocol
+
+protocol MapParserStrategy {
+  func canHandle(line: String) -> Bool
+  func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any)
+}
+
+struct AnyMapParserStrategy: MapParserStrategy {
+
+  private let base: MapParserStrategy
+
+  init<T: MapParserStrategy>(_ base: T) {
+    self.base = base
+  }
+
+  func canHandle(line: String) -> Bool {
+    return base.canHandle(line: line)
+  }
+  func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+    return base.handle(index: index, line: line, vertices: vertices)
+  }
+}
+
+// MARK: - Map Builder
+
+class MapBuilder {
+  var vertices: [String: Vertex] = [:]
+  private var edges: [MapEdge] = []
+  private var blockers: [Blocker] = []
+  private var opportunities: [Opportunity] = []
+  private var notes: [Note] = []
+  private var stages: [CGFloat] = defaultDimensions
+  private var groups: [[Vertex]] = []
+
+  func addObjectToMap(type: Any.Type, object: Any) {
+    if type == Vertex.self {
+      let vertex = object as! Vertex
+      vertices[vertex.label] = vertex
+    }
+
+    if type == MapEdge.self {
+      let edge = object as! MapEdge
+      edges.append(edge)
+    }
+
+    if type == Blocker.self {
+      let blocker = object as! Blocker
+      blockers.append(blocker)
+    }
+
+    if type == Opportunity.self {
+      let opportunity = object as! Opportunity
+      opportunities.append(opportunity)
+    }
+
+    if type == Note.self {
+      let note = object as! Note
+      notes.append(note)
+    }
+
+    if type == StageDimensions.self {
+      let stageDimensions = object as! StageDimensions
+      stages[stageDimensions.index] = stageDimensions.dimensions
+    }
+
+    if type == [Vertex].self {
+      let group = object as! [Vertex]
+      groups.append(group)
+    }
+  }
+
+  func build() -> ParsedMap {
+    let mappedVertices = vertices.map { label, vertex in return vertex }
+    return ParsedMap(
+      vertices: mappedVertices, edges: edges, blockers: blockers, opportunities: opportunities,
+      notes: notes,
+      stages: stages, groups: groups)
+  }
+}