Use WmapParser namespace

24 files changed, 529 insertions, 490 deletions

diff --git a/Sources/WmapParser/Component.swift b/Sources/WmapParser/Component.swift
deleted file mode 100644
index 027ac59..0000000
--- a/Sources/WmapParser/Component.swift
+++ /dev/null
@@ -1,6 +0,0 @@
-/// A component in the map.
-public struct Component: Sendable, Equatable {
-  public let label: String
-  public let coordinates: MapPoint
-  public let shape: Shape
-}
diff --git a/Sources/WmapParser/ComponentParser.swift b/Sources/WmapParser/ComponentParser.swift
index c899637..66979eb 100644
--- a/Sources/WmapParser/ComponentParser.swift
+++ b/Sources/WmapParser/ComponentParser.swift
@@ -1,78 +1,81 @@
-/// Parses a component with its coordinates.
-func parseComponent<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Component?
-where T.Element == UInt8, T.Index == Int {
-  guard let (label, parenthesisIndex) = extractComponentLabel(bytes, start, end) else {
-    return nil
-  }
+extension WmapParser {
 
-  guard
-    let (coordinates, endIndex) = parseCoordinates(
-      bytes, parenthesisIndex + 1, end)
-  else {
-    return nil
-  }
+    /// Parses a component with its coordinates.
+    static func parseComponent<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Component?
+    where T.Element == UInt8, T.Index == Int {
+      guard let (label, parenthesisIndex) = extractComponentLabel(bytes, start, end) else {
+        return nil
+      }
 
-  let shape = extractComponentShape(bytes, endIndex, end)
+      guard
+        let (coordinates, endIndex) = parseCoordinates(
+          bytes, parenthesisIndex + 1, end)
+      else {
+        return nil
+      }
 
-  return Component(label: label, coordinates: coordinates, shape: shape)
-}
+      let shape = extractComponentShape(bytes, endIndex, end)
 
-/// Looks for a component label by taking the string before the first open
-/// parenthesis.
-@inline(__always)
-private func extractComponentLabel<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> (
-  String, Int
-)?
-where T.Element == UInt8, T.Index == Int {
-  var index = start
-  while index < end {
-    if bytes[index] == kOpenParenthesis {
-      guard index > start else { return nil }
-      guard let label = extractTrimmedString(bytes, start, index) else { return nil }
-      return (label, index)
+      return Component(label: label, coordinates: coordinates, shape: shape)
     }
-    index += 1
-  }
-  return nil
-}
 
-/// Extracts a shape by looking for a shape label in square brackets.
-/// If missing, incomplete or invalid, it returns a circle
-@inline(__always)
-private func extractComponentShape<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Shape
-where T.Element == UInt8, T.Index == Int {
-  var index = skipWhitespace(bytes, end, start)
+    /// Looks for a component label by taking the string before the first open
+    /// parenthesis.
+    @inline(__always)
+    private static func extractComponentLabel<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> (
+      String, Int
+    )?
+    where T.Element == UInt8, T.Index == Int {
+      var index = start
+      while index < end {
+        if bytes[index] == kOpenParenthesis {
+          guard index > start else { return nil }
+          guard let label = extractTrimmedString(bytes, start, index) else { return nil }
+          return (label, index)
+        }
+        index += 1
+      }
+      return nil
+    }
 
-  guard index < end && bytes[index] == kOpenSquareBracket else { return .circle }
+    /// Extracts a shape by looking for a shape label in square brackets.
+    /// If missing, incomplete or invalid, it returns a circle
+    @inline(__always)
+    private static func extractComponentShape<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Shape
+    where T.Element == UInt8, T.Index == Int {
+      var index = skipWhitespace(bytes, end, start)
 
-  index += 1
-  let shapeStart = index
-  while index < end && bytes[index] != kCloseSquareBracket { index += 1 }
+      guard index < end && bytes[index] == kOpenSquareBracket else { return .circle }
 
-  guard index > shapeStart && index < end else { return .circle }
+      index += 1
+      let shapeStart = index
+      while index < end && bytes[index] != kCloseSquareBracket { index += 1 }
 
-  let shapeName = bytes[shapeStart..<index]
-  return parseShapeFromBytes(shapeName)
-}
+      guard index > shapeStart && index < end else { return .circle }
 
-/// Given the contents of a shape label, return the right type.
-@inline(__always)
-private func parseShapeFromBytes<T: Collection>(_ shapeName: T) -> Shape
-where T.Element == UInt8, T.Index == Int {
-  var trimStart = shapeName.startIndex
-  var trimEnd = shapeName.endIndex
+      let shapeName = bytes[shapeStart..<index]
+      return parseShapeFromBytes(shapeName)
+    }
+
+    /// Given the contents of a shape label, return the right type.
+    @inline(__always)
+    private static func parseShapeFromBytes<T: Collection>(_ shapeName: T) -> Shape
+    where T.Element == UInt8, T.Index == Int {
+      var trimStart = shapeName.startIndex
+      var trimEnd = shapeName.endIndex
 
-  trimStart = skipWhitespace(shapeName, trimEnd, trimStart)
-  trimEnd = shaveWhitespace(shapeName, trimStart, trimEnd)
+      trimStart = skipWhitespace(shapeName, trimEnd, trimStart)
+      trimEnd = shaveWhitespace(shapeName, trimStart, trimEnd)
 
-  let trimmedName = shapeName[trimStart..<trimEnd]
+      let trimmedName = shapeName[trimStart..<trimEnd]
 
-  // "x"
-  if matchesKeyword(trimmedName, [120]) { return .xMark }
-  // "square"
-  if matchesKeyword(trimmedName, [115, 113, 117, 97, 114, 101]) { return .square }
-  // "triangle"
-  if matchesKeyword(trimmedName, [116, 114, 105, 97, 110, 103, 108, 101]) { return .triangle }
+      // "x"
+      if matchesKeyword(trimmedName, [120]) { return .xMark }
+      // "square"
+      if matchesKeyword(trimmedName, [115, 113, 117, 97, 114, 101]) { return .square }
+      // "triangle"
+      if matchesKeyword(trimmedName, [116, 114, 105, 97, 110, 103, 108, 101]) { return .triangle }
 
-  return .circle
+      return .circle
+    }
 }
diff --git a/Sources/WmapParser/Constants.swift b/Sources/WmapParser/Constants.swift
index 73340b6..e659c03 100644
--- a/Sources/WmapParser/Constants.swift
+++ b/Sources/WmapParser/Constants.swift
@@ -1,35 +1,37 @@
-// Whitespace
-let kNewline = 10
-let kCarriageReturn = 13
-let kTab = 9
-let kSpace = 32
+extension WmapParser {
+    // Whitespace
+    static let kNewline = 10
+    static let kCarriageReturn = 13
+    static let kTab = 9
+    static let kSpace = 32
 
-// Punctuation
-let kOpenParenthesis = 40
-let kCloseParenthesis = 41
-let kPlus = 43
-let kComma = 44
-let kDash = 45
-let kPeriod = 46
-let kGreaterThan = 62
-let kOpenSquareBracket = 91
-let kCloseSquareBracket = 93
+    // Punctuation
+    static let kOpenParenthesis = 40
+    static let kCloseParenthesis = 41
+    static let kPlus = 43
+    static let kComma = 44
+    static let kDash = 45
+    static let kPeriod = 46
+    static let kGreaterThan = 62
+    static let kOpenSquareBracket = 91
+    static let kCloseSquareBracket = 93
 
-// Letters
-let kCapitalA = 65
-let kCapitalZ = 90
-let kCapsToLowercaseDistance: UInt8 = 32
+    // Letters
+    static let kCapitalA = 65
+    static let kCapitalZ = 90
+    static let kCapsToLowercaseDistance: UInt8 = 32
 
-// Numbers
-let kZero = 48
-let kNine = 57
+    // Numbers
+    static let kZero = 48
+    static let kNine = 57
 
-// Keywords. ASCII representations of the keywords.
-let kInertiaKeyword: [UInt8] = [105, 110, 101, 114, 116, 105, 97]
-let kEvolutionKeyword: [UInt8] = [101, 118, 111, 108, 117, 116, 105, 111, 110]
-let kNoteKeyword: [UInt8] = [110, 111, 116, 101]
-let kGroupKeyword: [UInt8] = [103, 114, 111, 117, 112]
-let kIKeyword: [UInt8] = [105]
-let kIIKeyword: [UInt8] = [105, 105]
-let kIIIKeyword: [UInt8] = [105, 105, 105]
-let kIVKeyword: [UInt8] = [105, 118]
+    // Keywords. ASCII representations of the keywords.
+    static let kInertiaKeyword: [UInt8] = [105, 110, 101, 114, 116, 105, 97]
+    static let kEvolutionKeyword: [UInt8] = [101, 118, 111, 108, 117, 116, 105, 111, 110]
+    static let kNoteKeyword: [UInt8] = [110, 111, 116, 101]
+    static let kGroupKeyword: [UInt8] = [103, 114, 111, 117, 112]
+    static let kIKeyword: [UInt8] = [105]
+    static let kIIKeyword: [UInt8] = [105, 105]
+    static let kIIIKeyword: [UInt8] = [105, 105, 105]
+    static let kIVKeyword: [UInt8] = [105, 118]
+}
diff --git a/Sources/WmapParser/DataStructures/Component.swift b/Sources/WmapParser/DataStructures/Component.swift
new file mode 100644
index 0000000..5ef2716
--- /dev/null
+++ b/Sources/WmapParser/DataStructures/Component.swift
@@ -0,0 +1,8 @@
+extension WmapParser {
+    /// A component in the map.
+    public struct Component: Sendable, Equatable {
+        public let label: String
+            public let coordinates: MapPoint
+            public let shape: Shape
+    }
+}
diff --git a/Sources/WmapParser/Dependency.swift b/Sources/WmapParser/DataStructures/Dependency.swift
index 38f03be..5f0089c 100644
--- a/Sources/WmapParser/Dependency.swift
+++ b/Sources/WmapParser/DataStructures/Dependency.swift
@@ -1,6 +1,8 @@
+extension WmapParser {
 /// A dependency between two components.
 public struct Dependency: Sendable, Equatable {
   public let fromComponent: String
   public let toComponent: String
   public let isDirected: Bool
 }
+}
diff --git a/Sources/WmapParser/Evolution.swift b/Sources/WmapParser/DataStructures/Evolution.swift
index df6dd33..07fbf2a 100644
--- a/Sources/WmapParser/Evolution.swift
+++ b/Sources/WmapParser/DataStructures/Evolution.swift
@@ -1,5 +1,7 @@
+extension WmapParser {
 /// Evolution associated with a component.
 public struct Evolution: Sendable, Equatable {
   public let component: String
   public let value: Double
 }
+}
diff --git a/Sources/WmapParser/DataStructures/Group.swift b/Sources/WmapParser/DataStructures/Group.swift
new file mode 100644
index 0000000..5dabc11
--- /dev/null
+++ b/Sources/WmapParser/DataStructures/Group.swift
@@ -0,0 +1,6 @@
+extension WmapParser {
+    /// A group of components.
+    public struct Group: Sendable, Equatable {
+      public let components: [String]
+    }
+}
diff --git a/Sources/WmapParser/DataStructures/Inertia.swift b/Sources/WmapParser/DataStructures/Inertia.swift
new file mode 100644
index 0000000..146ad70
--- /dev/null
+++ b/Sources/WmapParser/DataStructures/Inertia.swift
@@ -0,0 +1,6 @@
+extension WmapParser {
+    /// Inertia associated with a component.
+    public struct Inertia: Sendable, Equatable {
+      public let component: String
+    }
+}
diff --git a/Sources/WmapParser/Map.swift b/Sources/WmapParser/DataStructures/Map.swift
index 7a25686..dbb3c7d 100644
--- a/Sources/WmapParser/Map.swift
+++ b/Sources/WmapParser/DataStructures/Map.swift
@@ -1,3 +1,4 @@
+extension WmapParser {
 /// A parsed wardley map.
 public struct Map: Sendable {
   public let components: [Component]
@@ -8,3 +9,4 @@ public struct Map: Sendable {
   public let inertias: [Inertia]
   public let evolutions: [Evolution]
 }
+}
diff --git a/Sources/WmapParser/DataStructures/MapPoint.swift b/Sources/WmapParser/DataStructures/MapPoint.swift
new file mode 100644
index 0000000..c0eb971
--- /dev/null
+++ b/Sources/WmapParser/DataStructures/MapPoint.swift
@@ -0,0 +1,7 @@
+extension WmapParser {
+    /// A point in the map
+    public struct MapPoint: Sendable, Equatable {
+      let xCoordinate: Double
+      let yCoordinate: Double
+    }
+}
diff --git a/Sources/WmapParser/Note.swift b/Sources/WmapParser/DataStructures/Note.swift
index 0db3739..de87979 100644
--- a/Sources/WmapParser/Note.swift
+++ b/Sources/WmapParser/DataStructures/Note.swift
@@ -1,5 +1,7 @@
+extension WmapParser {
 /// A note.
 public struct Note: Sendable, Equatable {
   public let text: String
   public let coordinates: MapPoint
 }
+}
diff --git a/Sources/WmapParser/Shape.swift b/Sources/WmapParser/DataStructures/Shape.swift
index ea1844e..146b0e6 100644
--- a/Sources/WmapParser/Shape.swift
+++ b/Sources/WmapParser/DataStructures/Shape.swift
@@ -1,3 +1,4 @@
+extension WmapParser {
 /// Any of the potential shapes in a component.
 @frozen
 public enum Shape: Sendable, Equatable {
@@ -6,3 +7,4 @@ public enum Shape: Sendable, Equatable {
   case square
   case triangle
 }
+}
diff --git a/Sources/WmapParser/Stage.swift b/Sources/WmapParser/DataStructures/Stage.swift
index 78429e0..e0a99f1 100644
--- a/Sources/WmapParser/Stage.swift
+++ b/Sources/WmapParser/DataStructures/Stage.swift
@@ -1,5 +1,7 @@
+extension WmapParser {
 /// An override for the width of an evolution stage.
 public struct Stage: Sendable, Equatable {
   public let stage: StageNumber
   public let value: Double
 }
+}
diff --git a/Sources/WmapParser/StageNumber.swift b/Sources/WmapParser/DataStructures/StageNumber.swift
index 2e8a2da..603e06b 100644
--- a/Sources/WmapParser/StageNumber.swift
+++ b/Sources/WmapParser/DataStructures/StageNumber.swift
@@ -1,3 +1,4 @@
+extension WmapParser {
 /// The potential stages of evolution.
 @frozen
 public enum StageNumber: Sendable, Equatable {
@@ -6,3 +7,4 @@ public enum StageNumber: Sendable, Equatable {
   case stageIII
   case stageIV
 }
+}
diff --git a/Sources/WmapParser/DependencyParser.swift b/Sources/WmapParser/DependencyParser.swift
index 9964d5a..891be01 100644
--- a/Sources/WmapParser/DependencyParser.swift
+++ b/Sources/WmapParser/DependencyParser.swift
@@ -1,50 +1,52 @@
-/// Looks for -- or ->. If found, returns where this arrow starts.
-@inline(__always)
-func hasDependency<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Int?
-where T.Element == UInt8, T.Index == Int {
-  var index = start
-  while index < end {
-    if bytes[index] == kOpenParenthesis { return nil }
-    if bytes[index] == kDash && index + 1 < end {
-      let next = bytes[index + 1]
-      if next == kGreaterThan || next == kDash { return index }
+extension WmapParser {
+    /// Looks for -- or ->. If found, returns where this arrow starts.
+    @inline(__always)
+    static func hasDependency<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Int?
+    where T.Element == UInt8, T.Index == Int {
+      var index = start
+      while index < end {
+        if bytes[index] == kOpenParenthesis { return nil }
+        if bytes[index] == kDash && index + 1 < end {
+          let next = bytes[index + 1]
+          if next == kGreaterThan || next == kDash { return index }
+        }
+        index += 1
+      }
+      return nil
     }
-    index += 1
-  }
-  return nil
-}
 
-/// Finds a dependency and whether it's directed. It assumes we previously
-/// checked for the location of our separator to speed things up.
-func parseDependency<T: Collection>(_ bytes: T, _ start: Int, _ end: Int, _ separatorIndex: Int)
-  -> Dependency?
-where T.Element == UInt8, T.Index == Int {
-  guard let isDirected = extractIsDirected(bytes, separatorIndex, end) else {
-    return nil
-  }
+    /// Finds a dependency and whether it's directed. It assumes we previously
+    /// checked for the location of our separator to speed things up.
+    static func parseDependency<T: Collection>(_ bytes: T, _ start: Int, _ end: Int, _ separatorIndex: Int)
+      -> Dependency?
+    where T.Element == UInt8, T.Index == Int {
+      guard let isDirected = extractIsDirected(bytes, separatorIndex, end) else {
+        return nil
+      }
 
-  guard let fromComponent = extractTrimmedString(bytes, start, separatorIndex) else {
-    return nil
-  }
+      guard let fromComponent = extractTrimmedString(bytes, start, separatorIndex) else {
+        return nil
+      }
 
-  guard let toComponent = extractTrimmedString(bytes, separatorIndex + 2, end) else {
-    return nil
-  }
+      guard let toComponent = extractTrimmedString(bytes, separatorIndex + 2, end) else {
+        return nil
+      }
 
-  return Dependency(fromComponent: fromComponent, toComponent: toComponent, isDirected: isDirected)
-}
+      return Dependency(fromComponent: fromComponent, toComponent: toComponent, isDirected: isDirected)
+    }
 
-/// Checks the second character of the separator to see if it's directed.
-/// It assumes we already checked for -- or ->, so it only checks for
-/// Whether it's greaterThan or not.
-@inline(__always)
-private func extractIsDirected<T: Collection>(_ bytes: T, _ separatorIndex: Int, _ end: Int)
-  -> Bool?
-where T.Element == UInt8, T.Index == Int {
-  let followingCharacter = separatorIndex + 1
-  guard followingCharacter < end else { return nil }
-  if bytes[followingCharacter] == kGreaterThan {
-    return true
-  }
-  return false
+    /// Checks the second character of the separator to see if it's directed.
+    /// It assumes we already checked for -- or ->, so it only checks for
+    /// Whether it's greaterThan or not.
+    @inline(__always)
+    private static func extractIsDirected<T: Collection>(_ bytes: T, _ separatorIndex: Int, _ end: Int)
+      -> Bool?
+    where T.Element == UInt8, T.Index == Int {
+      let followingCharacter = separatorIndex + 1
+      guard followingCharacter < end else { return nil }
+      if bytes[followingCharacter] == kGreaterThan {
+        return true
+      }
+      return false
+    }
 }
diff --git a/Sources/WmapParser/Group.swift b/Sources/WmapParser/Group.swift
deleted file mode 100644
index 5204d45..0000000
--- a/Sources/WmapParser/Group.swift
+++ /dev/null
@@ -1,4 +0,0 @@
-/// A group of components.
-public struct Group: Sendable, Equatable {
-  public let components: [String]
-}
diff --git a/Sources/WmapParser/Inertia.swift b/Sources/WmapParser/Inertia.swift
deleted file mode 100644
index e9be9c0..0000000
--- a/Sources/WmapParser/Inertia.swift
+++ /dev/null
@@ -1,4 +0,0 @@
-/// Inertia associated with a component.
-public struct Inertia: Sendable, Equatable {
-  public let component: String
-}
diff --git a/Sources/WmapParser/KeywordParser.swift b/Sources/WmapParser/KeywordParser.swift
index 8db1164..b560d6a 100644
--- a/Sources/WmapParser/KeywordParser.swift
+++ b/Sources/WmapParser/KeywordParser.swift
@@ -1,184 +1,186 @@
-/// Checks which keyword we're dealing with and routes it to the right parser.
-func parseKeywordLine<T: Collection>(
-  _ bytes: T, _ start: Int, _ end: Int,
-  _ context: inout KeywordParserContext
-) where T.Element == UInt8, T.Index == Int {
-  guard let (keyword, rest) = extractKeyword(bytes, start, end) else { return }
+extension WmapParser {
+    /// Checks which keyword we're dealing with and routes it to the right parser.
+    static func parseKeywordLine<T: Collection>(
+            _ bytes: T, _ start: Int, _ end: Int,
+            _ context: inout KeywordParserContext
+            ) where T.Element == UInt8, T.Index == Int {
+        guard let (keyword, rest) = extractKeyword(bytes, start, end) else { return }
 
-  if matchesKeyword(keyword, kInertiaKeyword), let inertia = parseInertia(bytes, rest, end) {
-    context.inertias.append(inertia)
-  } else if matchesKeyword(keyword, kEvolutionKeyword),
-    let evolution = parseEvolution(bytes, rest, end) {
-    context.evolutions.append(evolution)
-  } else if matchesKeyword(keyword, kNoteKeyword), let note = parseNote(bytes, rest, end) {
-    context.notes.append(note)
-  } else if matchesKeyword(keyword, kGroupKeyword), let group = parseGroup(bytes, rest, end) {
-    context.groups.append(group)
-  } else if let stageNumber = isStageKeyword(keyword),
-    let stage = parseStage(bytes, stageNumber, rest, end) {
-    context.stages.append(stage)
-  }
-}
+        if matchesKeyword(keyword, kInertiaKeyword), let inertia = parseInertia(bytes, rest, end) {
+            context.inertias.append(inertia)
+        } else if matchesKeyword(keyword, kEvolutionKeyword),
+            let evolution = parseEvolution(bytes, rest, end) {
+                context.evolutions.append(evolution)
+            } else if matchesKeyword(keyword, kNoteKeyword), let note = parseNote(bytes, rest, end) {
+                context.notes.append(note)
+            } else if matchesKeyword(keyword, kGroupKeyword), let group = parseGroup(bytes, rest, end) {
+                context.groups.append(group)
+            } else if let stageNumber = isStageKeyword(keyword),
+                let stage = parseStage(bytes, stageNumber, rest, end) {
+                    context.stages.append(stage)
+                }
+    }
 
-/// Extracts a keyword from inside brackets. + the index of the rest of the
-/// line.
-@inline(__always)
-func extractKeyword<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> (T.SubSequence, Int)?
-where T.Element == UInt8, T.Index == Int {
-  var index = start + 1  // Skip '['
-  let keywordStart = index
+    /// Extracts a keyword from inside brackets. + the index of the rest of the
+    /// line.
+    @inline(__always)
+        static func extractKeyword<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> (T.SubSequence, Int)?
+        where T.Element == UInt8, T.Index == Int {
+            var index = start + 1  // Skip '['
+                let keywordStart = index
 
-  while index < end && bytes[index] != kCloseSquareBracket { index += 1 }  // Find ']'
-  if index >= end { return nil }
+                while index < end && bytes[index] != kCloseSquareBracket { index += 1 }  // Find ']'
+            if index >= end { return nil }
 
-  let keywordEnd = index
-  index += 1
+            let keywordEnd = index
+                index += 1
 
-  // Skip whitespace after ']'
-  index = skipWhitespace(bytes, end, index)
+                // Skip whitespace after ']'
+                index = skipWhitespace(bytes, end, index)
 
-  return (bytes[keywordStart..<keywordEnd], index)
-}
+                return (bytes[keywordStart..<keywordEnd], index)
+        }
 
-/// Checks the four potential values for the stage keyword.
-@inline(__always)
-func isStageKeyword<T: Collection>(_ keyword: T) -> StageNumber?
-where T.Element == UInt8, T.Index == Int {
-  if matchesKeyword(keyword, kIKeyword) {
-    return .stageI
-  }
-  if matchesKeyword(keyword, kIIKeyword) {
-    return .stageII
-  }
-  if matchesKeyword(keyword, kIIIKeyword) {
-    return .stageIII
-  }
-  if matchesKeyword(keyword, kIVKeyword) {
-    return .stageIV
-  }
-  return nil
-}
+    /// Checks the four potential values for the stage keyword.
+    @inline(__always)
+        static func isStageKeyword<T: Collection>(_ keyword: T) -> StageNumber?
+        where T.Element == UInt8, T.Index == Int {
+            if matchesKeyword(keyword, kIKeyword) {
+                return .stageI
+            }
+            if matchesKeyword(keyword, kIIKeyword) {
+                return .stageII
+            }
+            if matchesKeyword(keyword, kIIIKeyword) {
+                return .stageIII
+            }
+            if matchesKeyword(keyword, kIVKeyword) {
+                return .stageIV
+            }
+            return nil
+        }
 
-/// Compares a collection of bytes against a list of bytes.
-/// Short-Circuits by length, only two have the same length (ii and iv)
-@inline(__always)
-func matchesKeyword<T: Collection>(_ keyword: T, _ expected: [UInt8]) -> Bool
-where T.Element == UInt8, T.Index == Int {
-  guard keyword.count == expected.count else { return false }
-  var keywordIndex = keyword.startIndex
-  for index in 0..<expected.count {
-    let currentKeyword = keyword[keywordIndex]
-    let expectedKeyword = expected[index]
+    /// Compares a collection of bytes against a list of bytes.
+    /// Short-Circuits by length, only two have the same length (ii and iv)
+    @inline(__always)
+        static func matchesKeyword<T: Collection>(_ keyword: T, _ expected: [UInt8]) -> Bool
+        where T.Element == UInt8, T.Index == Int {
+            guard keyword.count == expected.count else { return false }
+            var keywordIndex = keyword.startIndex
+                for index in 0..<expected.count {
+                    let currentKeyword = keyword[keywordIndex]
+                        let expectedKeyword = expected[index]
 
-    let lowercasedKeyword =
-      (currentKeyword >= kCapitalA && currentKeyword <= kCapitalZ)
-      ? currentKeyword + kCapsToLowercaseDistance : currentKeyword
-    if lowercasedKeyword != expectedKeyword { return false }
-    keywordIndex += 1
-  }
-  return true
-}
+                        let lowercasedKeyword =
+                        (currentKeyword >= kCapitalA && currentKeyword <= kCapitalZ)
+                        ? currentKeyword + kCapsToLowercaseDistance : currentKeyword
+                        if lowercasedKeyword != expectedKeyword { return false }
+                    keywordIndex += 1
+                }
+            return true
+        }
 
-/// Parses the stage. Assumes we got the stage number in the keyword check
-/// to avoid checking twice.
-func parseStage<T: Collection>(
-  _ bytes: T, _ stageNumber: StageNumber, _ start: Int, _ end: Int
-) -> Stage?
-where T.Element == UInt8, T.Index == Int {
-  guard let value = parseDouble(bytes, start, end) else { return nil }
+    /// Parses the stage. Assumes we got the stage number in the keyword check
+    /// to avoid checking twice.
+    static func parseStage<T: Collection>(
+            _ bytes: T, _ stageNumber: StageNumber, _ start: Int, _ end: Int
+            ) -> Stage?
+        where T.Element == UInt8, T.Index == Int {
+            guard let value = parseDouble(bytes, start, end) else { return nil }
 
-  return Stage(stage: stageNumber, value: value)
-}
+            return Stage(stage: stageNumber, value: value)
+        }
 
-/// Parses the note coordinates and text.
-func parseNote<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Note?
-where T.Element == UInt8, T.Index == Int {
-  var index = skipWhitespace(bytes, end, start)
+    /// Parses the note coordinates and text.
+    static func parseNote<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Note?
+        where T.Element == UInt8, T.Index == Int {
+            var index = skipWhitespace(bytes, end, start)
 
-  guard index < end && bytes[index] == kOpenParenthesis else { return nil }
-  index += 1
+                guard index < end && bytes[index] == kOpenParenthesis else { return nil }
+            index += 1
 
-  guard let (coordinates, endIndex) = parseCoordinates(bytes, index, end) else {
-    return nil
-  }
-  index = skipWhitespace(bytes, end, endIndex)
+                guard let (coordinates, endIndex) = parseCoordinates(bytes, index, end) else {
+                    return nil
+                }
+            index = skipWhitespace(bytes, end, endIndex)
 
-  let textEnd = shaveWhitespace(bytes, index, end)
+                let textEnd = shaveWhitespace(bytes, index, end)
 
-  // Why not String(data:encoding:)? This is much faster.
-  // swiftlint:disable:next optional_data_string_conversion
-  let text = String(decoding: bytes[index..<textEnd], as: UTF8.self)
-  return Note(text: text, coordinates: coordinates)
-}
+                // Why not String(data:encoding:)? This is much faster.
+                // swiftlint:disable:next optional_data_string_conversion
+                let text = String(decoding: bytes[index..<textEnd], as: UTF8.self)
+                return Note(text: text, coordinates: coordinates)
+        }
 
-/// Parses the comma separated labels for a group
-func parseGroup<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Group?
-where T.Element == UInt8, T.Index == Int {
-  var components = [String]()
-  var index = start
-  var componentStart = start
+    /// Parses the comma separated labels for a group
+    static func parseGroup<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Group?
+        where T.Element == UInt8, T.Index == Int {
+            var components = [String]()
+                var index = start
+                var componentStart = start
 
-  while index <= end {
-    if index == end || bytes[index] == kComma {
-      let trimStart = skipWhitespace(bytes, index, componentStart)
-      let trimEnd = shaveWhitespace(bytes, trimStart, index)
+                while index <= end {
+                    if index == end || bytes[index] == kComma {
+                        let trimStart = skipWhitespace(bytes, index, componentStart)
+                            let trimEnd = shaveWhitespace(bytes, trimStart, index)
 
-      if trimStart < trimEnd {
-        // Why not String(data:encoding:)? This is much faster.
-        // swiftlint:disable:next optional_data_string_conversion
-        let component = String(decoding: bytes[trimStart..<trimEnd], as: UTF8.self)
-        components.append(component)
-      }
+                            if trimStart < trimEnd {
+                                // Why not String(data:encoding:)? This is much faster.
+                                // swiftlint:disable:next optional_data_string_conversion
+                                let component = String(decoding: bytes[trimStart..<trimEnd], as: UTF8.self)
+                                    components.append(component)
+                            }
 
-      componentStart = index + 1
-    }
-    index += 1
-  }
+                        componentStart = index + 1
+                    }
+                    index += 1
+                }
 
-  return components.isEmpty ? nil : Group(components: components)
-}
+            return components.isEmpty ? nil : Group(components: components)
+        }
 
-/// Parses the component label for inertia
-func parseInertia<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Inertia?
-where T.Element == UInt8, T.Index == Int {
-  let trimStart = skipWhitespace(bytes, end, start)
-  let trimEnd = shaveWhitespace(bytes, trimStart, end)
+    /// Parses the component label for inertia
+    static func parseInertia<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Inertia?
+        where T.Element == UInt8, T.Index == Int {
+            let trimStart = skipWhitespace(bytes, end, start)
+                let trimEnd = shaveWhitespace(bytes, trimStart, end)
 
-  guard trimStart < trimEnd else { return nil }
+                guard trimStart < trimEnd else { return nil }
 
-  // Why not String(data:encoding:)? This is much faster.
-  // swiftlint:disable:next optional_data_string_conversion
-  let component = String(decoding: bytes[trimStart..<trimEnd], as: UTF8.self)
-  return Inertia(component: component)
-}
+            // Why not String(data:encoding:)? This is much faster.
+            // swiftlint:disable:next optional_data_string_conversion
+            let component = String(decoding: bytes[trimStart..<trimEnd], as: UTF8.self)
+                return Inertia(component: component)
+        }
 
-/// Parses the component label and value for inertia
-func parseEvolution<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Evolution?
-where T.Element == UInt8, T.Index == Int {
-  var signIndex: Int?
-  var sign = 1.0
+    /// Parses the component label and value for inertia
+    static func parseEvolution<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Evolution?
+        where T.Element == UInt8, T.Index == Int {
+            var signIndex: Int?
+                var sign = 1.0
 
-  var index = start
-  while index < end {
-    if bytes[index] == kPlus || bytes[index] == kDash {
-      signIndex = index
-      sign = bytes[index] == 45 ? -1.0 : 1.0
-      break
-    }
-    index += 1
-  }
+                var index = start
+                while index < end {
+                    if bytes[index] == kPlus || bytes[index] == kDash {
+                        signIndex = index
+                            sign = bytes[index] == 45 ? -1.0 : 1.0
+                            break
+                    }
+                    index += 1
+                }
 
-  guard let signIndex, signIndex > start else { return nil }
+            guard let signIndex, signIndex > start else { return nil }
 
-  let trimStart = skipWhitespace(bytes, signIndex, start)
-  let trimEnd = shaveWhitespace(bytes, trimStart, signIndex)
+            let trimStart = skipWhitespace(bytes, signIndex, start)
+                let trimEnd = shaveWhitespace(bytes, trimStart, signIndex)
 
-  guard trimStart < trimEnd else { return nil }
+                guard trimStart < trimEnd else { return nil }
 
-  // Why not String(data:encoding:)? This is much faster.
-  // swiftlint:disable:next optional_data_string_conversion
-  let component = String(decoding: bytes[trimStart..<trimEnd], as: UTF8.self)
-  guard let value = parseDouble(bytes, signIndex + 1, end) else { return nil }
+            // Why not String(data:encoding:)? This is much faster.
+            // swiftlint:disable:next optional_data_string_conversion
+            let component = String(decoding: bytes[trimStart..<trimEnd], as: UTF8.self)
+                guard let value = parseDouble(bytes, signIndex + 1, end) else { return nil }
 
-  return Evolution(component: component, value: sign * value)
+            return Evolution(component: component, value: sign * value)
+        }
 }
diff --git a/Sources/WmapParser/KeywordParserContext.swift b/Sources/WmapParser/KeywordParserContext.swift
deleted file mode 100644
index 1b889b3..0000000
--- a/Sources/WmapParser/KeywordParserContext.swift
+++ /dev/null
@@ -1,7 +0,0 @@
-struct KeywordParserContext {
-  var stages: [Stage]
-  var notes: [Note]
-  var groups: [Group]
-  var inertias: [Inertia]
-  var evolutions: [Evolution]
-}
diff --git a/Sources/WmapParser/MapPoint.swift b/Sources/WmapParser/MapPoint.swift
deleted file mode 100644
index 718ecab..0000000
--- a/Sources/WmapParser/MapPoint.swift
+++ /dev/null
@@ -1,5 +0,0 @@
-/// A point in the map
-public struct MapPoint: Sendable, Equatable {
-  let xCoordinate: Double
-  let yCoordinate: Double
-}
diff --git a/Sources/WmapParser/ParserContext/KeywordParserContext.swift b/Sources/WmapParser/ParserContext/KeywordParserContext.swift
new file mode 100644
index 0000000..c3a77a7
--- /dev/null
+++ b/Sources/WmapParser/ParserContext/KeywordParserContext.swift
@@ -0,0 +1,9 @@
+extension WmapParser {
+    struct KeywordParserContext {
+      var stages: [Stage]
+      var notes: [Note]
+      var groups: [Group]
+      var inertias: [Inertia]
+      var evolutions: [Evolution]
+    }
+}
diff --git a/Sources/WmapParser/ParserContext/LineParserContext.swift b/Sources/WmapParser/ParserContext/LineParserContext.swift
new file mode 100644
index 0000000..c823383
--- /dev/null
+++ b/Sources/WmapParser/ParserContext/LineParserContext.swift
@@ -0,0 +1,7 @@
+extension WmapParser {
+    struct LineParserContext {
+        var components: [Component]
+            var dependencies: [Dependency]
+            var keywordContext: KeywordParserContext
+    }
+}
diff --git a/Sources/WmapParser/Utils.swift b/Sources/WmapParser/Utils.swift
index 8bea13a..d79578b 100644
--- a/Sources/WmapParser/Utils.swift
+++ b/Sources/WmapParser/Utils.swift
@@ -1,136 +1,138 @@
-/// Check if a byte is a digit
-@inline(__always)
-func isDigit(_ byte: UInt8) -> Bool {
-  byte >= kZero && byte <= kNine
-}
+extension WmapParser {
+    /// Check if a byte is a digit
+    @inline(__always)
+        static func isDigit(_ byte: UInt8) -> Bool {
+            byte >= kZero && byte <= kNine
+        }
 
-/// Looks for x and y separated by a comma.
-func parseCoordinates<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> (
-  MapPoint, Int
-)?
-where T.Element == UInt8, T.Index == Int {
-  var index = skipWhitespace(bytes, end, start)
+    /// Looks for x and y separated by a comma.
+    static func parseCoordinates<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> (
+            MapPoint, Int
+            )?
+        where T.Element == UInt8, T.Index == Int {
+            var index = skipWhitespace(bytes, end, start)
 
-  guard let (xCoordinate, nextIndex) = parseSingleCoordinate(bytes, index, end) else {
-    return nil
-  }
-  index = nextIndex
+                guard let (xCoordinate, nextIndex) = parseSingleCoordinate(bytes, index, end) else {
+                    return nil
+                }
+            index = nextIndex
 
-  guard expectComma(bytes, &index, end) else { return nil }
+                guard expectComma(bytes, &index, end) else { return nil }
 
-  guard let (yCoordinate, nextIndex) = parseSingleCoordinate(bytes, index, end) else {
-    return nil
-  }
-  index = nextIndex
+            guard let (yCoordinate, nextIndex) = parseSingleCoordinate(bytes, index, end) else {
+                return nil
+            }
+            index = nextIndex
 
-  guard expectClosingParen(bytes, &index, end) else { return nil }
+                guard expectClosingParen(bytes, &index, end) else { return nil }
 
-  return (MapPoint(xCoordinate: xCoordinate, yCoordinate: yCoordinate), index)
-}
+            return (MapPoint(xCoordinate: xCoordinate, yCoordinate: yCoordinate), index)
+        }
 
-/// Checks if a candidate for a coordinate is a digit, and parses it.
-@inline(__always)
-func parseSingleCoordinate<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> (Double, Int)?
-where T.Element == UInt8, T.Index == Int {
-  var index = start
-  while index < end && (isDigit(bytes[index]) || bytes[index] == 46) { index += 1 }
-  guard index > start else { return nil }
-  guard let value = parseDouble(bytes, start, index) else { return nil }
-  return (value, index)
-}
+    /// Checks if a candidate for a coordinate is a digit, and parses it.
+    @inline(__always)
+        static func parseSingleCoordinate<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> (Double, Int)?
+        where T.Element == UInt8, T.Index == Int {
+            var index = start
+                while index < end && (isDigit(bytes[index]) || bytes[index] == 46) { index += 1 }
+            guard index > start else { return nil }
+            guard let value = parseDouble(bytes, start, index) else { return nil }
+            return (value, index)
+        }
 
-/// Advances the index until we find a comma.
-@inline(__always)
-func expectComma<T: Collection>(_ bytes: T, _ index: inout Int, _ end: Int) -> Bool
-where T.Element == UInt8, T.Index == Int {
-  index = skipWhitespace(bytes, end, index)
-  guard index < end && bytes[index] == kComma else { return false }
-  index += 1
-  index = skipWhitespace(bytes, end, index)
-  return true
-}
+    /// Advances the index until we find a comma.
+    @inline(__always)
+        static func expectComma<T: Collection>(_ bytes: T, _ index: inout Int, _ end: Int) -> Bool
+        where T.Element == UInt8, T.Index == Int {
+            index = skipWhitespace(bytes, end, index)
+                guard index < end && bytes[index] == kComma else { return false }
+            index += 1
+                index = skipWhitespace(bytes, end, index)
+                return true
+        }
 
-/// Advances the index until we find a closing parenthesis
-@inline(__always)
-func expectClosingParen<T: Collection>(_ bytes: T, _ index: inout Int, _ end: Int) -> Bool
-where T.Element == UInt8, T.Index == Int {
-  index = skipWhitespace(bytes, end, index)
-  guard index < end && bytes[index] == kCloseParenthesis else { return false }
-  index += 1
-  return true
-}
+    /// Advances the index until we find a closing parenthesis
+    @inline(__always)
+        static func expectClosingParen<T: Collection>(_ bytes: T, _ index: inout Int, _ end: Int) -> Bool
+        where T.Element == UInt8, T.Index == Int {
+            index = skipWhitespace(bytes, end, index)
+                guard index < end && bytes[index] == kCloseParenthesis else { return false }
+            index += 1
+                return true
+        }
 
-/// Parses a double
-@inline(__always)
-func parseDouble<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Double?
-where T.Element == UInt8, T.Index == Int {
-  var index = skipWhitespace(bytes, end, start)
+    /// Parses a double
+    @inline(__always)
+        static func parseDouble<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Double?
+        where T.Element == UInt8, T.Index == Int {
+            var index = skipWhitespace(bytes, end, start)
 
-  let numStart = index
-  while index < end && (isDigit(bytes[index]) || bytes[index] == kPeriod) { index += 1 }
+                let numStart = index
+                while index < end && (isDigit(bytes[index]) || bytes[index] == kPeriod) { index += 1 }
 
-  guard index > numStart else { return nil }
+            guard index > numStart else { return nil }
 
-  // Why not String(data:encoding:)? This is much faster.
-  // swiftlint:disable:next optional_data_string_conversion
-  let str = String(decoding: bytes[numStart..<index], as: UTF8.self)
-  return Double(str)
-}
+            // Why not String(data:encoding:)? This is much faster.
+            // swiftlint:disable:next optional_data_string_conversion
+            let str = String(decoding: bytes[numStart..<index], as: UTF8.self)
+                return Double(str)
+        }
 
-/// Advances an index by looking for whitespace left-to-right
-func skipWhitespace<T: Collection>(_ bytes: T, _ end: Int, _ start: Int) -> Int
-where T.Element == UInt8, T.Index == Int {
-  var index = start
-  while index < end && (bytes[index] == kSpace || bytes[index] == kTab) { index += 1 }
-  return index
-}
+    /// Advances an index by looking for whitespace left-to-right
+    static func skipWhitespace<T: Collection>(_ bytes: T, _ end: Int, _ start: Int) -> Int
+        where T.Element == UInt8, T.Index == Int {
+            var index = start
+                while index < end && (bytes[index] == kSpace || bytes[index] == kTab) { index += 1 }
+            return index
+        }
 
-/// Decreases an index by looking for whitespace right-to-left
-func shaveWhitespace<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Int
-where T.Element == UInt8, T.Index == Int {
-  var index = end
-  while index > start && (bytes[index - 1] == kSpace || bytes[index - 1] == kTab) { index -= 1 }
-  return index
-}
+    /// Decreases an index by looking for whitespace right-to-left
+    static func shaveWhitespace<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> Int
+        where T.Element == UInt8, T.Index == Int {
+            var index = end
+                while index > start && (bytes[index - 1] == kSpace || bytes[index - 1] == kTab) { index -= 1 }
+            return index
+        }
 
-/// Given the bytes buffer, finds the next non-empty line.
-@inline(__always)
-func extractLine<T: Collection>(_ bytes: T, _ index: inout Int, _ length: Int) -> (
-  Int, Int
-)?
-where T.Element == UInt8, T.Index == Int {
-  while index < length && (bytes[index] == kNewline || bytes[index] == kCarriageReturn) {
-    index += 1
-  }
-  let lineStart = index
+    /// Given the bytes buffer, finds the next non-empty line.
+    @inline(__always)
+        static func extractLine<T: Collection>(_ bytes: T, _ index: inout Int, _ length: Int) -> (
+                Int, Int
+                )?
+        where T.Element == UInt8, T.Index == Int {
+            while index < length && (bytes[index] == kNewline || bytes[index] == kCarriageReturn) {
+                index += 1
+            }
+            let lineStart = index
 
-  while index < length && bytes[index] != kNewline && bytes[index] != kCarriageReturn { index += 1 }
-  if lineStart == index { return nil }
+                while index < length && bytes[index] != kNewline && bytes[index] != kCarriageReturn { index += 1 }
+            if lineStart == index { return nil }
 
-  var start = lineStart
-  var end = index
+            var start = lineStart
+                var end = index
 
-  start = skipWhitespace(bytes, end, start)
-  end = shaveWhitespace(bytes, start, end)
+                start = skipWhitespace(bytes, end, start)
+                end = shaveWhitespace(bytes, start, end)
 
-  if start == end { return nil }
+                if start == end { return nil }
 
-  return (start, end)
-}
+            return (start, end)
+        }
 
-/// Trims a byte collection and returns a string
-@inline(__always)
-func extractTrimmedString<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> String?
-where T.Element == UInt8, T.Index == Int {
-  var trimStart = start
-  var trimEnd = end
+    /// Trims a byte collection and returns a string
+    @inline(__always)
+        static func extractTrimmedString<T: Collection>(_ bytes: T, _ start: Int, _ end: Int) -> String?
+        where T.Element == UInt8, T.Index == Int {
+            var trimStart = start
+                var trimEnd = end
 
-  trimStart = skipWhitespace(bytes, trimEnd, trimStart)
-  trimEnd = shaveWhitespace(bytes, trimStart, trimEnd)
+                trimStart = skipWhitespace(bytes, trimEnd, trimStart)
+                trimEnd = shaveWhitespace(bytes, trimStart, trimEnd)
 
-  guard trimStart < trimEnd else { return nil }
+                guard trimStart < trimEnd else { return nil }
 
-  // Why not String(data:encoding:)? This is much faster.
-  // swiftlint:disable:next optional_data_string_conversion
-  return String(decoding: bytes[trimStart..<trimEnd], as: UTF8.self)
+            // Why not String(data:encoding:)? This is much faster.
+            // swiftlint:disable:next optional_data_string_conversion
+            return String(decoding: bytes[trimStart..<trimEnd], as: UTF8.self)
+        }
 }
diff --git a/Sources/WmapParser/WmapParser.swift b/Sources/WmapParser/WmapParser.swift
index f2bef8f..41843b3 100644
--- a/Sources/WmapParser/WmapParser.swift
+++ b/Sources/WmapParser/WmapParser.swift
@@ -1,79 +1,76 @@
 import Foundation
 
-// Public API //////////////////////////////////////////////////////////////////
+public struct WmapParser {
 
-/// Parses a wmap source string.
-public func parse(_ source: String) -> Map {
-  source.utf8.withContiguousStorageIfAvailable { bytes in
-    parseBytes(bytes)
-  } ?? parseBytes(Array(source.utf8))
-}
-
-// Parsers /////////////////////////////////////////////////////////////////////
+    // Public API //////////////////////////////////////////////////////////////////
 
-struct LineParserContext {
-  var components: [Component]
-  var dependencies: [Dependency]
-  var keywordContext: KeywordParserContext
-}
+    /// Parses a wmap source string.
+    public static func parse(_ source: String) -> Map {
+        source.utf8.withContiguousStorageIfAvailable { bytes in
+            parseBytes(bytes)
+        } ?? parseBytes(Array(source.utf8))
+    }
 
-/// Main parsing function, we work on bytes as it's faster.
-private func parseBytes<T: Collection>(_ bytes: T) -> Map where T.Element == UInt8, T.Index == Int {
-  let estimatedLines = bytes.count / 30
+    // Parsers /////////////////////////////////////////////////////////////////////
 
-  var context = LineParserContext(
-    components: [],
-    dependencies: [],
-    keywordContext: KeywordParserContext(
-      stages: [],
-      notes: [],
-      groups: [],
-      inertias: [],
-      evolutions: []
-    )
-  )
+    /// Main parsing function, we work on bytes as it's faster.
+    private static func parseBytes<T: Collection>(_ bytes: T) -> Map where T.Element == UInt8, T.Index == Int {
+        let estimatedLines = bytes.count / 30
 
-  context.components.reserveCapacity(estimatedLines)
-  context.dependencies.reserveCapacity(estimatedLines)
-  context.keywordContext.notes.reserveCapacity(estimatedLines / 10)
-  context.keywordContext.stages.reserveCapacity(4)
-  context.keywordContext.groups.reserveCapacity(estimatedLines / 20)
-  context.keywordContext.inertias.reserveCapacity(estimatedLines / 20)
-  context.keywordContext.evolutions.reserveCapacity(estimatedLines / 20)
+            var context = LineParserContext(
+                    components: [],
+                    dependencies: [],
+                    keywordContext: KeywordParserContext(
+                        stages: [],
+                        notes: [],
+                        groups: [],
+                        inertias: [],
+                        evolutions: []
+                        )
+                    )
 
-  var index = 0
-  let length = bytes.count
+            context.components.reserveCapacity(estimatedLines)
+            context.dependencies.reserveCapacity(estimatedLines)
+            context.keywordContext.notes.reserveCapacity(estimatedLines / 10)
+            context.keywordContext.stages.reserveCapacity(4)
+            context.keywordContext.groups.reserveCapacity(estimatedLines / 20)
+            context.keywordContext.inertias.reserveCapacity(estimatedLines / 20)
+            context.keywordContext.evolutions.reserveCapacity(estimatedLines / 20)
 
-  while index < length {
-    guard let (start, end) = extractLine(bytes, &index, length) else { continue }
-    parseLine(bytes, start, end, &context)
-  }
+            var index = 0
+            let length = bytes.count
 
-  return Map(
-    components: context.components,
-    dependencies: context.dependencies,
-    notes: context.keywordContext.notes,
-    stages: context.keywordContext.stages,
-    groups: context.keywordContext.groups,
-    inertias: context.keywordContext.inertias,
-    evolutions: context.keywordContext.evolutions
-  )
-}
+            while index < length {
+                guard let (start, end) = extractLine(bytes, &index, length) else { continue }
+                parseLine(bytes, start, end, &context)
+            }
 
-/// Given a trimmed line, checks if it's a keyword, dependency or component
-/// and parses it.
-@inline(__always)
-private func parseLine<T: Collection>(
-  _ bytes: T, _ start: Int, _ end: Int,
-  _ context: inout LineParserContext
-) where T.Element == UInt8, T.Index == Int {
-  if bytes[start] == kOpenSquareBracket {
-    parseKeywordLine(bytes, start, end, &context.keywordContext)
-  } else if let separatorIndex = hasDependency(bytes, start, end) {
-    if let dependency = parseDependency(bytes, start, end, separatorIndex) {
-      context.dependencies.append(dependency)
+        return Map(
+                components: context.components,
+                dependencies: context.dependencies,
+                notes: context.keywordContext.notes,
+                stages: context.keywordContext.stages,
+                groups: context.keywordContext.groups,
+                inertias: context.keywordContext.inertias,
+                evolutions: context.keywordContext.evolutions
+                )
     }
-  } else if let component = parseComponent(bytes, start, end) {
-    context.components.append(component)
-  }
+
+    /// Given a trimmed line, checks if it's a keyword, dependency or component
+    /// and parses it.
+    @inline(__always)
+        private static func parseLine<T: Collection>(
+                _ bytes: T, _ start: Int, _ end: Int,
+                _ context: inout LineParserContext
+                ) where T.Element == UInt8, T.Index == Int {
+            if bytes[start] == kOpenSquareBracket {
+                parseKeywordLine(bytes, start, end, &context.keywordContext)
+            } else if let separatorIndex = hasDependency(bytes, start, end) {
+                if let dependency = parseDependency(bytes, start, end, separatorIndex) {
+                    context.dependencies.append(dependency)
+                }
+            } else if let component = parseComponent(bytes, start, end) {
+                context.components.append(component)
+            }
+        }
 }