aboutsummaryrefslogtreecommitdiff
path: root/Map/MapParser
diff options
context:
space:
mode:
authorRuben Beltran del Rio <ruben@unlimited.pizza>2021-02-04 23:46:55 +0100
committerRuben Beltran del Rio <ruben@unlimited.pizza>2021-02-04 23:46:55 +0100
commit77d0155b661e813a85a7312ed809fc7e5a9f7440 (patch)
treee9b99a94e9b5937c70d9d768d56e8092686f01aa /Map/MapParser
parent491463f421c86d3a7a5482108b818aa5b5e441ea (diff)
Release 1.1.01.1.0
Diffstat (limited to 'Map/MapParser')
-rw-r--r--Map/MapParser/MapParser.swift139
-rw-r--r--Map/MapParser/Strategies/BlockerParserStrategy.swift26
-rw-r--r--Map/MapParser/Strategies/EdgeParserStrategy.swift32
-rw-r--r--Map/MapParser/Strategies/OpportunityParserStrategy.swift33
-rw-r--r--Map/MapParser/Strategies/StageParserStrategy.swift24
-rw-r--r--Map/MapParser/Strategies/VertexParserStrategy.swift36
6 files changed, 290 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)
+ }
+}
diff --git a/Map/MapParser/Strategies/BlockerParserStrategy.swift b/Map/MapParser/Strategies/BlockerParserStrategy.swift
new file mode 100644
index 0000000..d9b6f22
--- /dev/null
+++ b/Map/MapParser/Strategies/BlockerParserStrategy.swift
@@ -0,0 +1,26 @@
+import Foundation
+
+struct BlockerParserStrategy: MapParserStrategy {
+ private let regex = MapParsingPatterns.blocker
+
+ func canHandle(line: String) -> Bool {
+ let range = NSRange(location: 0, length: line.utf16.count)
+ let matches = regex.matches(in: String(line), options: [], range: range)
+ return matches.count > 0 && matches[0].numberOfRanges == 3
+ }
+
+ func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+ let range = NSRange(location: 0, length: line.utf16.count)
+ let matches = regex.matches(in: String(line), options: [], range: range)
+
+ let match = matches[0]
+ let vertexA = String(line[Range(match.range(at: 2), in: line)!])
+
+ if let vertex = vertices[vertexA] {
+ let blocker = Blocker(id: index, position: vertex.position)
+ return (Blocker.self, blocker)
+ }
+
+ return (NSObject.self, NSObject()) // No matching object
+ }
+}
diff --git a/Map/MapParser/Strategies/EdgeParserStrategy.swift b/Map/MapParser/Strategies/EdgeParserStrategy.swift
new file mode 100644
index 0000000..0df1ff4
--- /dev/null
+++ b/Map/MapParser/Strategies/EdgeParserStrategy.swift
@@ -0,0 +1,32 @@
+import Foundation
+
+struct EdgeParserStrategy: MapParserStrategy {
+ private let regex = MapParsingPatterns.edge
+
+ func canHandle(line: String) -> Bool {
+ let range = NSRange(location: 0, length: line.utf16.count)
+ let matches = regex.matches(in: String(line), options: [], range: range)
+ return matches.count > 0 && matches[0].numberOfRanges == 4
+ }
+
+ func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+ let range = NSRange(location: 0, length: line.utf16.count)
+ let matches = regex.matches(in: String(line), options: [], range: range)
+
+ let match = matches[0]
+ let arrowhead = String(line[Range(match.range(at: 2), in: line)!]) == ">"
+ let vertexA = String(line[Range(match.range(at: 1), in: line)!])
+ let vertexB = String(line[Range(match.range(at: 3), in: line)!])
+
+ if let origin = vertices[vertexA] {
+ if let destination = vertices[vertexB] {
+ let edge = MapEdge(
+ id: index, origin: origin.position, destination: destination.position,
+ arrowhead: arrowhead)
+ return (MapEdge.self, edge)
+ }
+ }
+
+ return (NSObject.self, NSObject()) // No matching object
+ }
+}
diff --git a/Map/MapParser/Strategies/OpportunityParserStrategy.swift b/Map/MapParser/Strategies/OpportunityParserStrategy.swift
new file mode 100644
index 0000000..104fd30
--- /dev/null
+++ b/Map/MapParser/Strategies/OpportunityParserStrategy.swift
@@ -0,0 +1,33 @@
+import Foundation
+
+struct OpportunityParserStrategy: MapParserStrategy {
+ private let regex = MapParsingPatterns.opportunity
+
+ func canHandle(line: String) -> Bool {
+ let range = NSRange(location: 0, length: line.utf16.count)
+ let matches = regex.matches(in: String(line), options: [], range: range)
+ return matches.count > 0 && matches[0].numberOfRanges == 5
+ }
+
+ func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+ let range = NSRange(location: 0, length: line.utf16.count)
+ let matches = regex.matches(in: String(line), options: [], range: range)
+
+ let match = matches[0]
+ let multiplier = CGFloat(
+ String(line[Range(match.range(at: 3), in: line)!]) == "-" ? -1.0 : 1.0)
+ let vertex = String(line[Range(match.range(at: 2), in: line)!])
+ let opportunityString = String(line[Range(match.range(at: 4), in: line)!])
+ let opportunity = CGFloat(
+ truncating: NumberFormatter().number(from: opportunityString) ?? 0.0)
+
+ if let origin = vertices[vertex] {
+ let destination = CGPoint(
+ x: origin.position.x + opportunity * multiplier, y: origin.position.y)
+ let opportunity = Opportunity(id: index, origin: origin.position, destination: destination)
+ return (Opportunity.self, opportunity)
+ }
+
+ return (NSObject.self, NSObject()) // No matching object
+ }
+}
diff --git a/Map/MapParser/Strategies/StageParserStrategy.swift b/Map/MapParser/Strategies/StageParserStrategy.swift
new file mode 100644
index 0000000..42535fc
--- /dev/null
+++ b/Map/MapParser/Strategies/StageParserStrategy.swift
@@ -0,0 +1,24 @@
+import Foundation
+
+struct StageParserStrategy: MapParserStrategy {
+ private let regex = MapParsingPatterns.stage
+
+ func canHandle(line: String) -> Bool {
+ let range = NSRange(location: 0, length: line.utf16.count)
+ let matches = regex.matches(in: String(line), options: [], range: range)
+ return matches.count > 0 && matches[0].numberOfRanges == 3
+ }
+
+ func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+ let range = NSRange(location: 0, length: line.utf16.count)
+ let matches = regex.matches(in: String(line), options: [], range: range)
+
+ let match = matches[0]
+ let stage = String(line[Range(match.range(at: 1), in: line)!])
+ let dimensionsString = String(line[Range(match.range(at: 2), in: line)!])
+ let dimensions = CGFloat(truncating: NumberFormatter().number(from: dimensionsString) ?? 0.0)
+
+ let stageDimensions = StageDimensions(index: stage.count - 1, dimensions: dimensions)
+ return (StageDimensions.self, stageDimensions)
+ }
+}
diff --git a/Map/MapParser/Strategies/VertexParserStrategy.swift b/Map/MapParser/Strategies/VertexParserStrategy.swift
new file mode 100644
index 0000000..10c94a2
--- /dev/null
+++ b/Map/MapParser/Strategies/VertexParserStrategy.swift
@@ -0,0 +1,36 @@
+import Foundation
+
+struct VertexParserStrategy: MapParserStrategy {
+ private let regex = MapParsingPatterns.vertex
+
+ func canHandle(line: String) -> Bool {
+ let range = NSRange(location: 0, length: line.utf16.count)
+ let matches = regex.matches(in: String(line), options: [], range: range)
+ return matches.count > 0 && matches[0].numberOfRanges >= 4
+ }
+
+ func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
+ let range = NSRange(location: 0, length: line.utf16.count)
+ let matches = regex.matches(in: String(line), options: [], range: range)
+
+ let match = matches[0]
+ let key = String(line[Range(match.range(at: 1), in: line)!])
+ let xString = String(line[Range(match.range(at: 2), in: line)!])
+ let yString = String(line[Range(match.range(at: 3), in: line)!])
+ let x = CGFloat(truncating: NumberFormatter().number(from: xString) ?? 0.0)
+ let y = CGFloat(truncating: NumberFormatter().number(from: yString) ?? 0.0)
+
+ var vertex = Vertex(
+ id: index,
+ label: key,
+ position: CGPoint(x: x, y: y)
+ )
+
+ if let range = Range(match.range(at: 4), in: line) {
+ let shapeString = String(line[range])
+ vertex.shape = VertexShape(rawValue: shapeString.lowercased()) ?? .circle
+ }
+
+ return (Vertex.self, vertex)
+ }
+}