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-rw-r--r--Sources/WmapParser/DependencyParser.swift89
1 files changed, 47 insertions, 42 deletions
diff --git a/Sources/WmapParser/DependencyParser.swift b/Sources/WmapParser/DependencyParser.swift
index 891be01..2567bfe 100644
--- a/Sources/WmapParser/DependencyParser.swift
+++ b/Sources/WmapParser/DependencyParser.swift
@@ -1,52 +1,57 @@
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
+ /// 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 }
}
- 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.
- 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
- }
+ /// 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 toComponent = extractTrimmedString(bytes, separatorIndex + 2, end) else {
- return nil
- }
+ guard let fromComponent = extractTrimmedString(bytes, start, separatorIndex) else {
+ return nil
+ }
- return Dependency(fromComponent: fromComponent, toComponent: toComponent, isDirected: isDirected)
+ guard let toComponent = extractTrimmedString(bytes, separatorIndex + 2, end) else {
+ return nil
}
- /// 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
+ 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 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
+ }
}