Initial commit

.gitignore

@@ -0,0 +1,7 @@
+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/
+DerivedData/
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata

.spi.yml

@@ -0,0 +1,4 @@
+version: 1
+builder:
+  configs:
+    - documentation_targets: [MVTPostgis]

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Outdooractive AG
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Package.resolved

@@ -0,0 +1,212 @@
+{
+  "pins" : [
+    {
+      "identity" : "async-kit",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/vapor/async-kit.git",
+      "state" : {
+        "revision" : "7ece208cd401687641c88367a00e3ea2b04311f1",
+        "version" : "1.19.0"
+      }
+    },
+    {
+      "identity" : "gis-tools",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/Outdooractive/gis-tools",
+      "state" : {
+        "revision" : "271ffa105096a3c5889b211227c9a31dc59030db",
+        "version" : "1.2.0"
+      }
+    },
+    {
+      "identity" : "gzipswift",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/1024jp/GzipSwift.git",
+      "state" : {
+        "revision" : "7a7f17761c76a932662ab77028a4329f67d645a4",
+        "version" : "5.2.0"
+      }
+    },
+    {
+      "identity" : "mvt-tools",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/Outdooractive/mvt-tools",
+      "state" : {
+        "revision" : "f19faad0ddbd8378ad8538909fb150b5fa6f7141",
+        "version" : "1.3.2"
+      }
+    },
+    {
+      "identity" : "postgres-kit",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/vapor/postgres-kit",
+      "state" : {
+        "revision" : "475bf6f04ee1840917a70c32b48e4a724df4ccaf",
+        "version" : "2.12.3"
+      }
+    },
+    {
+      "identity" : "postgres-nio",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/vapor/postgres-nio.git",
+      "state" : {
+        "revision" : "69ccfdf4c80144d845e3b439961b7ec6cd7ae33f",
+        "version" : "1.20.2"
+      }
+    },
+    {
+      "identity" : "postgresconnectionpool",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/Outdooractive/PostgresConnectionPool.git",
+      "state" : {
+        "revision" : "e8c65e5b0a987b678be2294a8113c5a21889c86f",
+        "version" : "0.7.0"
+      }
+    },
+    {
+      "identity" : "sql-kit",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/vapor/sql-kit.git",
+      "state" : {
+        "revision" : "b2f128cb62a3abfbb1e3b2893ff3ee69e70f4f0f",
+        "version" : "3.28.0"
+      }
+    },
+    {
+      "identity" : "swift-algorithms",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-algorithms.git",
+      "state" : {
+        "revision" : "f6919dfc309e7f1b56224378b11e28bab5bccc42",
+        "version" : "1.2.0"
+      }
+    },
+    {
+      "identity" : "swift-argument-parser",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-argument-parser",
+      "state" : {
+        "revision" : "c8ed701b513cf5177118a175d85fbbbcd707ab41",
+        "version" : "1.3.0"
+      }
+    },
+    {
+      "identity" : "swift-atomics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-atomics.git",
+      "state" : {
+        "revision" : "cd142fd2f64be2100422d658e7411e39489da985",
+        "version" : "1.2.0"
+      }
+    },
+    {
+      "identity" : "swift-collections",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-collections",
+      "state" : {
+        "revision" : "94cf62b3ba8d4bed62680a282d4c25f9c63c2efb",
+        "version" : "1.1.0"
+      }
+    },
+    {
+      "identity" : "swift-crypto",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-crypto.git",
+      "state" : {
+        "revision" : "cc76b894169a3c86b71bac10c78a4db6beb7a9ad",
+        "version" : "3.2.0"
+      }
+    },
+    {
+      "identity" : "swift-log",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-log.git",
+      "state" : {
+        "revision" : "e97a6fcb1ab07462881ac165fdbb37f067e205d5",
+        "version" : "1.5.4"
+      }
+    },
+    {
+      "identity" : "swift-metrics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-metrics.git",
+      "state" : {
+        "revision" : "971ba26378ab69c43737ee7ba967a896cb74c0d1",
+        "version" : "2.4.1"
+      }
+    },
+    {
+      "identity" : "swift-nio",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio.git",
+      "state" : {
+        "revision" : "635b2589494c97e48c62514bc8b37ced762e0a62",
+        "version" : "2.63.0"
+      }
+    },
+    {
+      "identity" : "swift-nio-ssl",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio-ssl.git",
+      "state" : {
+        "revision" : "7c381eb6083542b124a6c18fae742f55001dc2b5",
+        "version" : "2.26.0"
+      }
+    },
+    {
+      "identity" : "swift-nio-transport-services",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio-transport-services.git",
+      "state" : {
+        "revision" : "6cbe0ed2b394f21ab0d46b9f0c50c6be964968ce",
+        "version" : "1.20.1"
+      }
+    },
+    {
+      "identity" : "swift-numerics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-numerics",
+      "state" : {
+        "revision" : "0a5bc04095a675662cf24757cc0640aa2204253b",
+        "version" : "1.0.2"
+      }
+    },
+    {
+      "identity" : "swift-protobuf",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-protobuf",
+      "state" : {
+        "revision" : "65e8f29b2d63c4e38e736b25c27b83e012159be8",
+        "version" : "1.25.2"
+      }
+    },
+    {
+      "identity" : "swift-system",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-system.git",
+      "state" : {
+        "revision" : "025bcb1165deab2e20d4eaba79967ce73013f496",
+        "version" : "1.2.1"
+      }
+    },
+    {
+      "identity" : "swiftyxmlparser",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/yahoojapan/SwiftyXMLParser",
+      "state" : {
+        "revision" : "d7a1d23f04c86c1cd2e8f19247dd15d74e0ea8be",
+        "version" : "5.6.0"
+      }
+    },
+    {
+      "identity" : "yams",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/jpsim/Yams",
+      "state" : {
+        "revision" : "9ff1cc9327586db4e0c8f46f064b6a82ec1566fa",
+        "version" : "4.0.6"
+      }
+    }
+  ],
+  "version" : 2
+}

Package.swift

@@ -0,0 +1,37 @@
+// swift-tools-version:5.9
+
+import PackageDescription
+
+let package = Package(
+    name: "mvt-postgis",
+    platforms: [
+        .macOS(.v13),
+        .iOS(.v16),
+        .tvOS(.v16),
+    ],
+    products: [
+        .library(name: "MVTPostgis", targets: ["MVTPostgis"]),
+    ],
+    dependencies: [
+        .package(url: "https://github.com/Outdooractive/mvt-tools", from: "1.3.2"),
+        .package(url: "https://github.com/Outdooractive/gis-tools", from: "1.2.0"),
+        .package(url: "https://github.com/Outdooractive/PostgresConnectionPool.git", from: "0.7.0"),
+        .package(url: "https://github.com/vapor/postgres-nio.git", from: "1.20.2"),
+        .package(url: "https://github.com/apple/swift-collections", from: "1.1.0"),
+        .package(url: "https://github.com/yahoojapan/SwiftyXMLParser", from: "5.6.0"),
+        .package(url: "https://github.com/jpsim/Yams", from: "4.0.6"),
+    ],
+    targets: [
+        .target(
+            name: "MVTPostgis",
+            dependencies: [
+                .product(name: "GISTools", package: "gis-tools"),
+                .product(name: "MVTTools", package: "mvt-tools"),
+                .product(name: "PostgresConnectionPool", package: "PostgresConnectionPool"),
+                .product(name: "PostgresNIO", package: "postgres-nio"),
+                .product(name: "Collections", package: "swift-collections"),
+                .product(name: "SwiftyXMLParser", package: "SwiftyXMLParser"),
+                .product(name: "Yams", package: "Yams"),
+            ]),
+    ]
+)

README.md

@@ -0,0 +1,67 @@
+[![](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2FOutdooractive%2Fmvt-postgis%2Fbadge%3Ftype%3Dswift-versions)](https://swiftpackageindex.com/Outdooractive/mvt-postgis)
+[![](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2FOutdooractive%2Fmvt-postgis%2Fbadge%3Ftype%3Dplatforms)](https://swiftpackageindex.com/Outdooractive/mvt-postgis)
+
+# MVTPostgis
+
+Creates vector tiles from Postgis databases.
+
+## Installation with Swift Package Manager
+
+```swift
+dependencies: [
+    .package(url: "https://github.com/Outdooractive/mvt-postgis", from: "1.0.0"),
+],
+targets: [
+    .target(name: "MyTarget", dependencies: [
+        .product(name: "MVTPostgis", package: "mvt-postgis"),
+    ]),
+]
+```
+
+## Features
+
+TODO
+
+## Usage
+
+TODO
+
+## Contributing
+
+Please create an issue or open a pull request with a fix
+
+## TODOs and future improvements
+
+- Restart queries after timeout
+- Explore ST_AsMVTGeom
+- Define a JSON source format
+- Documentation (!)
+- Tests
+
+## Links
+
+- Libraries
+    - https://github.com/Outdooractive/gis-tools
+    - https://github.com/Outdooractive/mvt-tools
+
+- Mapnik Postgis documentation:
+    - https://github.com/mapnik/mapnik/wiki/PostGIS
+    - https://github.com/mapnik/mapnik/wiki/OptimizeRenderingWithPostGIS
+
+- Mapnik files:
+    - https://github.com/mapnik/mapnik/blob/master/test/unit/datasource/postgis.cpp
+    - https://github.com/mapnik/mapnik/blob/master/plugins/input/postgis/postgis_datasource.cpp
+
+- Other:
+    - https://github.com/plarson/fluent-postgis
+    - https://github.com/koher/swift-image
+    - https://github.com/t-ae/swim
+    - https://github.com/GEOSwift/GEOSwift
+
+## License
+
+MIT
+
+## Author
+
+Thomas Rasch, Outdooractive

Sources/MVTPostgis/Extensions/ArrayExtensions.swift

@@ -0,0 +1,24 @@
+import Foundation
+
+extension Array {
+
+    var isNotEmpty: Bool {
+        !isEmpty
+    }
+
+    /// Adds a new element at the end of the array, if it's not nil.
+    mutating func append(ifNotNil newElement: Element?) {
+        guard let element = newElement else { return }
+        append(element)
+    }
+
+}
+
+extension Array where Element: Equatable {
+
+    /// Removes all occurrences of the given object
+    mutating func remove(_ element: Element) {
+        self = filter { $0 != element }
+    }
+
+}

Sources/MVTPostgis/Extensions/DataExtensions.swift

@@ -0,0 +1,9 @@
+import Foundation
+
+extension Data {
+
+    var asUTF8EncodedString: String? {
+        String(data: self, encoding: .utf8)
+    }
+
+}

Sources/MVTPostgis/Extensions/DequeExtensions.swift

@@ -0,0 +1,9 @@
+import Collections
+
+extension Deque {
+
+    var isNotEmpty: Bool {
+        !isEmpty
+    }
+
+}