1 files changed, 139 insertions, 0 deletions
diff --git a/Map/MapParser/MapParser.swift b/Map/MapParser/MapParser.swift
new file mode 100644
index 0000000..3528eb5
--- /dev/null
+++ b/Map/MapParser/MapParser.swift
@@ -0,0 +1,139 @@
+import CoreGraphics
+import Foundation
+
+// MARK: - Types
+
+struct MapParsingPatterns {
+  static let vertex = try! NSRegularExpression(
+    pattern:
+      "([^\\(]+?)[\\s]*\\([\\s]*([0-9]+.?[0-9]*)[\\s]*,[\\s]*([0-9]+.?[0-9]*)[\\s]*\\)[\\s]*(?:\\[(.*?)\\])?",
+    options: .caseInsensitive)
+  static let edge = try! NSRegularExpression(
+    pattern: "(.+?)[\\s]*-([->])[\\s]*(.+)", options: .caseInsensitive)
+  static let blocker = try! NSRegularExpression(
+    pattern: "\\[(Blocker)\\][\\s]*(.+)", options: .caseInsensitive)
+  static let opportunity = try! NSRegularExpression(
+    pattern: "\\[(Opportunity)\\][\\s]*(.+)[\\s]+([-+])[\\s]*([0-9]+.?[0-9]*)",
+    options: .caseInsensitive)
+  static let stage = try! NSRegularExpression(
+    pattern: "\\[(I{1,3})\\][\\s]*([0-9]+.?[0-9]*)", options: .caseInsensitive)
+}
+
+struct ParsedMap {
+  let vertices: [Vertex]
+  let edges: [MapEdge]
+  let blockers: [Blocker]
+  let opportunities: [Opportunity]
+  let stages: [CGFloat]
+}
+
+struct Vertex {
+  let id: Int
+  let label: String
+  let position: CGPoint
+  var shape: VertexShape = .circle
+}
+
+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 stages: [CGFloat] = defaultDimensions
+
+  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 == StageDimensions.self {
+      let stageDimensions = object as! StageDimensions
+      stages[stageDimensions.index] = stageDimensions.dimensions
+
+    }
+  }
+
+  func build() -> ParsedMap {
+    let mappedVertices = vertices.map { label, vertex in return vertex }
+    return ParsedMap(
+      vertices: mappedVertices, edges: edges, blockers: blockers, opportunities: opportunities,
+      stages: stages)
+  }
+}