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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2014-2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import PackageModel
import PackageGraph
import enum TSCBasic.JSON
import protocol TSCBasic.OutputByteStream
protocol DependenciesDumper {
func dump(graph: ModulesGraph, dependenciesOf: ResolvedPackage, on: OutputByteStream)
}
final class PlainTextDumper: DependenciesDumper {
func dump(graph: ModulesGraph, dependenciesOf rootpkg: ResolvedPackage, on stream: OutputByteStream) {
func recursiveWalk(packages: [ResolvedPackage], prefix: String = "") {
var hanger = prefix + "├── "
for (index, package) in packages.enumerated() {
if index == packages.count - 1 {
hanger = prefix + "└── "
}
let pkgVersion = package.manifest.version?.description ?? "unspecified"
stream.send("\(hanger)\(package.identity.description)<\(package.manifest.packageLocation)@\(pkgVersion)>\n")
if !package.dependencies.isEmpty {
let replacement = (index == packages.count - 1) ? " " : "│ "
var childPrefix = hanger
let startIndex = childPrefix.index(childPrefix.endIndex, offsetBy: -4)
childPrefix.replaceSubrange(startIndex..<childPrefix.endIndex, with: replacement)
recursiveWalk(packages: graph.directDependencies(for: package), prefix: childPrefix)
}
}
}
if !rootpkg.dependencies.isEmpty {
stream.send(".\n")
recursiveWalk(packages: graph.directDependencies(for: rootpkg))
} else {
stream.send("No external dependencies found\n")
}
}
}
final class FlatListDumper: DependenciesDumper {
func dump(graph: ModulesGraph, dependenciesOf rootpkg: ResolvedPackage, on stream: OutputByteStream) {
func recursiveWalk(packages: [ResolvedPackage]) {
for package in packages {
stream.send(package.identity.description).send("\n")
if !package.dependencies.isEmpty {
recursiveWalk(packages: graph.directDependencies(for: package))
}
}
}
if !rootpkg.dependencies.isEmpty {
recursiveWalk(packages: graph.directDependencies(for: rootpkg))
}
}
}
final class DotDumper: DependenciesDumper {
func dump(graph: ModulesGraph, dependenciesOf rootpkg: ResolvedPackage, on stream: OutputByteStream) {
var nodesAlreadyPrinted: Set<String> = []
func printNode(_ package: ResolvedPackage) {
let url = package.manifest.packageLocation
if nodesAlreadyPrinted.contains(url) { return }
let pkgVersion = package.manifest.version?.description ?? "unspecified"
stream.send(#""\#(url)" [label="\#(package.identity.description)\n\#(url)\n\#(pkgVersion)"]"#).send("\n")
nodesAlreadyPrinted.insert(url)
}
struct DependencyURLs: Hashable {
var root: String
var dependency: String
}
var dependenciesAlreadyPrinted: Set<DependencyURLs> = []
func recursiveWalk(rootpkg: ResolvedPackage) {
printNode(rootpkg)
for dependency in graph.directDependencies(for: rootpkg) {
let rootURL = rootpkg.manifest.packageLocation
let dependencyURL = dependency.manifest.packageLocation
let urlPair = DependencyURLs(root: rootURL, dependency: dependencyURL)
if dependenciesAlreadyPrinted.contains(urlPair) { continue }
printNode(dependency)
stream.send(#""\#(rootURL)" -> "\#(dependencyURL)""#).send("\n")
dependenciesAlreadyPrinted.insert(urlPair)
if !dependency.dependencies.isEmpty {
recursiveWalk(rootpkg: dependency)
}
}
}
if !rootpkg.dependencies.isEmpty {
stream.send(
"""
digraph DependenciesGraph {
node [shape = box]
"""
)
recursiveWalk(rootpkg: rootpkg)
stream.send("}\n")
} else {
stream.send("No external dependencies found\n")
}
}
}
final class JSONDumper: DependenciesDumper {
func dump(graph: ModulesGraph, dependenciesOf rootpkg: ResolvedPackage, on stream: OutputByteStream) {
func convert(_ package: ResolvedPackage) -> JSON {
return .orderedDictionary([
"identity": .string(package.identity.description),
"name": .string(package.manifest.displayName), // TODO: remove?
"url": .string(package.manifest.packageLocation),
"version": .string(package.manifest.version?.description ?? "unspecified"),
"path": .string(package.path.pathString),
"dependencies": .array(package.dependencies.compactMap { graph.packages[$0] }.map(convert)),
])
}
stream.send("\(convert(rootpkg).toString(prettyPrint: true))\n")
}
}
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