dasdad

ios/Plugin.xcodeproj/project.pbxproj

@@ -16,6 +16,8 @@
 		50ADFFA42020D75100D50D53 /* Capacitor.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 50ADFFA52020D75100D50D53 /* Capacitor.framework */; };
 		50ADFFA82020EE4F00D50D53 /* MobileLevelPlugin.m in Sources */ = {isa = PBXBuildFile; fileRef = 50ADFFA72020EE4F00D50D53 /* MobileLevelPlugin.m */; };
 		50E1A94820377CB70090CE1A /* MobileLevelPlugin.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50E1A94720377CB70090CE1A /* MobileLevelPlugin.swift */; };
+		DD4A07632BE01E4A00E234FA /* Foo.mm in Sources */ = {isa = PBXBuildFile; fileRef = DD4A07622BE01E4A00E234FA /* Foo.mm */; };
+		DD4A07652BE0202400E234FA /* Foo.h in Headers */ = {isa = PBXBuildFile; fileRef = DD4A07642BE0202400E234FA /* Foo.h */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -43,6 +45,8 @@
 		5E23F77F099397094342571A /* Pods-Plugin.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Plugin.debug.xcconfig"; path = "Pods/Target Support Files/Pods-Plugin/Pods-Plugin.debug.xcconfig"; sourceTree = "<group>"; };
 		91781294A431A2A7CC6EB714 /* Pods-Plugin.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Plugin.release.xcconfig"; path = "Pods/Target Support Files/Pods-Plugin/Pods-Plugin.release.xcconfig"; sourceTree = "<group>"; };
 		96ED1B6440D6672E406C8D19 /* Pods-PluginTests.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-PluginTests.debug.xcconfig"; path = "Pods/Target Support Files/Pods-PluginTests/Pods-PluginTests.debug.xcconfig"; sourceTree = "<group>"; };
+		DD4A07622BE01E4A00E234FA /* Foo.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = Foo.mm; sourceTree = "<group>"; };
+		DD4A07642BE0202400E234FA /* Foo.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = Foo.h; sourceTree = "<group>"; };
 		F65BB2953ECE002E1EF3E424 /* Pods-PluginTests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-PluginTests.release.xcconfig"; path = "Pods/Target Support Files/Pods-PluginTests/Pods-PluginTests.release.xcconfig"; sourceTree = "<group>"; };
 		F6753A823D3815DB436415E3 /* Pods_PluginTests.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_PluginTests.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 /* End PBXFileReference section */
@@ -97,6 +101,8 @@
 				50ADFF8B201F53D600D50D53 /* MobileLevelPlugin.h */,
 				50ADFFA72020EE4F00D50D53 /* MobileLevelPlugin.m */,
 				50ADFF8C201F53D600D50D53 /* Info.plist */,
+				DD4A07622BE01E4A00E234FA /* Foo.mm */,
+				DD4A07642BE0202400E234FA /* Foo.h */,
 			);
 			path = Plugin;
 			sourceTree = "<group>";
@@ -139,6 +145,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				50ADFF99201F53D600D50D53 /* MobileLevelPlugin.h in Headers */,
+				DD4A07652BE0202400E234FA /* Foo.h in Headers */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -270,11 +277,13 @@
 				"${PODS_ROOT}/Target Support Files/Pods-PluginTests/Pods-PluginTests-frameworks.sh",
 				"${BUILT_PRODUCTS_DIR}/Capacitor/Capacitor.framework",
 				"${BUILT_PRODUCTS_DIR}/CapacitorCordova/Cordova.framework",
+				"${BUILT_PRODUCTS_DIR}/leveldb-library/leveldb.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Capacitor.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Cordova.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/leveldb.framework",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
@@ -306,6 +315,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				DD4A07632BE01E4A00E234FA /* Foo.mm in Sources */,
 				50E1A94820377CB70090CE1A /* MobileLevelPlugin.swift in Sources */,
 				2F98D68224C9AAE500613A4C /* MobileLevel.swift in Sources */,
 				50ADFFA82020EE4F00D50D53 /* MobileLevelPlugin.m in Sources */,

ios/Plugin/Foo.h

+//
+//  Foo.h
+//  Plugin
+//
+//  Created by Aidan Dunlap on 4/29/24.
+//  Copyright © 2024 Max Lynch. All rights reserved.
+//
+
+#ifndef Foo_h
+#define Foo_h
+
+#import <Foundation/Foundation.h>
+
+// Forward declaration of C++ class
+namespace leveldb {
+    class DB;
+    class Options;
+    class ReadOptions;
+    class WriteOptions;
+}
+
+@interface MobileLevel2 : CAPPlugin {
+    leveldb::DB* db;
+}
+
+- (instancetype)init;
+
+- (void)Open:(CAPPluginCall *)path;
+//- (void)Get:(CAPPluginCall *)key;
+//- (void)Put:(CAPPluginCall *)value;
+//- (void)Delete:(CAPPluginCall *)key;
+//- (void)Close;
+
+@end
+
+#endif /* Foo_h */

ios/Plugin/Foo.mm

+#import "Foo.h"
+#import <leveldb/db.h>
+#import <leveldb/options.h>
+#import <leveldb/write_batch.h>
+
+@implementation MobileLevel2
+
+- (void) Open:(CAPPluginCall *)params {
+    options = new leveldb::Options();
+    options->create_if_missing = true;
+
+    NSString *path = [params getString:@"path"];
+
+    leveldb::Status status = leveldb::DB::Open(options, path, &db);
+    if (!status.ok()) {
+        if (error != NULL) {
+            *error = [NSError errorWithDomain:@"MobileLevelErrorDomain" code:0 userInfo:@{NSLocalizedDescriptionKey: [NSString stringWithUTF8String:status.ToString().c_str()]}];
+        }
+    }}
+
+@end

ios/Plugin/MobileLevel.swift

 import Foundation
+import leveldb
+
+
+let DBOptions = leveldb_options_create()
+let ReadOptions = leveldb_readoptions_create()
+let WriteOptions = leveldb_writeoptions_create()
+
+// TODO? Manually free these?
 
 @objc public class MobileLevel: NSObject {
-    @objc public func echo(_ value: String) -> String {
-        print(value)
-        return value
+    private var db: OpaquePointer?
+
+    func leveldbErrorToSwiftString(_ error: UnsafePointer<UnsafeMutablePointer<Int8>?>?) -> String? {
+        /* 
+            From LevelDB's C API documentation:
+
+          (3) Errors are represented by a null-terminated c string.  NULL
+            means no error.  All operations that can raise an error are passed
+            a "char** errptr" as the last argument.  One of the following must
+            be true on entry:
+                *errptr == NULL
+                *errptr points to a malloc()ed null-terminated error message
+                (On Windows, *errptr must have been malloc()-ed by this library.)
+            On success, a leveldb routine leaves *errptr unchanged.
+            On failure, leveldb frees the old value of *errptr and
+            set *errptr to a malloc()ed error message.
+        */
+        if let error = error, let errorPointee = error.pointee {
+            let errorMessage = String(cString: errorPointee)
+            leveldb_free(errorPointee)
+            return errorMessage
+        }
+    } 
+
+    @objc func open(path: String) throws {
+        // Assuming leveldb_open is a function to open a database
+        leveldb_options_set_create_if_missing(DBOptions, 1)
+        var error: UnsafeMutablePointer<UnsafeMutablePointer<Int8>?>?
+
+        self.db = leveldb_open(DBOptions, path, error)
+
+//        if let errorMessage = leveldbErrorToSwiftString(error) {
+//            throw MobileLevelError.open(errorMessage)
+//        }
     }
+
+    @objc func get(key: String, callback: @escaping (String?, Error?) -> Void) {
+        var error: UnsafeMutablePointer<UnsafeMutablePointer<Int8>?>?
+        var vallen = UnsafeMutablePointer<Int>.allocate(capacity: 1)
+        var string: String?
+
+        defer {
+            if let error = error, let errorPointee = error.pointee {
+                let errorMessage = String(cString: errorPointee)
+                print("Error getting: \(errorMessage)")
+                leveldb_free(errorPointee)
+            } else {
+                callback(string, nil)
+            }
+            vallen.deallocate()
+        }
+
+        key.withCString { cKey in
+            let length = key.lengthOfBytes(using: String.Encoding.utf8)
+
+            let levelDBResult = leveldb_get(self.db, ReadOptions, cKey, length, vallen, error)
+
+            if let validPointer = levelDBResult {
+                string = String(bytesNoCopy: validPointer, length: vallen.pointee, encoding: .ascii, freeWhenDone: true)
+            }
+        }
+    }
+
+    @objc func put(key: String, value: String, callback: @escaping (Error?) -> Void) {
+        var error: UnsafeMutablePointer<UnsafeMutablePointer<Int8>?>?
+
+        defer {
+            if let error = error {
+                print("Error putting: \(error)")
+                leveldb_free(error)
+            }
+        }
+
+        key.withCString { cKey in
+            let cKeyLength = key.lengthOfBytes(using: String.Encoding.utf8)
+            
+            value.withCString { cValue in
+                let cValueLength = value.lengthOfBytes(using: String.Encoding.ascii)
+               
+                leveldb_put(self.db, WriteOptions, cKey, cKeyLength, cValue, cValueLength, error)
+            }
+  
+        }
+    }
+
+    @objc func delete(key: String, options: [String: Any], callback: @escaping (Error?) -> Void) {
+        var error: UnsafeMutablePointer<UnsafeMutablePointer<Int8>?>?
+
+        defer {
+            if let error = error {
+                print("Error deleting: \(error)")
+                leveldb_free(error)
+            }
+        }
+
+        key.withCString { cKey in
+            let cKeyLength = key.lengthOfBytes(using: String.Encoding.utf8)
+            leveldb_delete(self.db, WriteOptions, cKey, cKeyLength, error)
+        }
+    }
+
+    @objc func close(callback: @escaping (Error?) -> Void) {
+        leveldb_close(self.db)
+        callback(nil)
+    }
+
+    // Additional methods like _batch, _clear, etc., would be similarly implemented.
 }

ios/Plugin/MobileLevelPlugin.m

@@ -3,6 +3,6 @@
 
 // Define the plugin using the CAP_PLUGIN Macro, and
 // each method the plugin supports using the CAP_PLUGIN_METHOD macro.
-CAP_PLUGIN(MobileLevelPlugin, "MobileLevel",
-           CAP_PLUGIN_METHOD(echo, CAPPluginReturnPromise);
+CAP_PLUGIN(MobileLevel2, "MobileLevel",
+           CAP_PLUGIN_METHOD(Open, CAPPluginReturnPromise);
 )

ios/Plugin/MobileLevelPlugin.swift

 import Foundation
 import Capacitor
+import JavaScriptCore
 
 /**
  * Please read the Capacitor iOS Plugin Development Guide
@@ -9,10 +10,71 @@ import Capacitor
 public class MobileLevelPlugin: CAPPlugin {
     private let implementation = MobileLevel()
 
-    @objc func echo(_ call: CAPPluginCall) {
-        let value = call.getString("value") ?? ""
-        call.resolve([
-            "value": implementation.echo(value)
-        ])
+    @objc func open(_ call: CAPPluginCall) {
+        guard let path = call.getString("path") else {
+            call.reject("Missing path parameter")
+            return
+        }
+        implementation.open(path: path) { error in
+            if let error = error {
+                call.reject("Failed to open database: \(error)")
+            } else {
+                call.resolve()
+            }
+        }
+    }
+
+    @objc func get(_ call: CAPPluginCall) {
+        guard let key = call.getString("key") else {
+            call.reject("Missing key parameter")
+            return
+        }
+        implementation.get(key: key) { result, error in
+            if let error = error {
+                call.reject("Failed to get value: \(error.localizedDescription)")
+            } else if let result = result {
+                call.resolve(["value": result])
+            } else {
+                call.reject("Key not found")
+            }
+        }
+    }
+
+    @objc func put(_ call: CAPPluginCall) {
+        guard let key = call.getString("key"), let value = call.getString("value") else {
+            call.reject("Missing key or value parameter")
+            return
+        }
+        implementation.put(key: key, value: value) { error in
+            if let error = error {
+                call.reject("Failed to put value: \(error.localizedDescription)")
+            } else {
+                call.resolve()
+            }
+        }
+    }
+
+    @objc func delete(_ call: CAPPluginCall) {
+        guard let key = call.getString("key") else {
+            call.reject("Missing key parameter")
+            return
+        }
+        implementation.delete(key: key, options: [:]) { error in
+            if let error = error {
+                call.reject("Failed to delete key: \(error.localizedDescription)")
+            } else {
+                call.resolve()
+            }
+        }
+    }
+
+    @objc func close(_ call: CAPPluginCall) {
+        implementation.close { error in
+            if let error = error {
+                call.reject("Failed to close database: \(error.localizedDescription)")
+            } else {
+                call.resolve()
+            }
+        }
     }
 }

ios/PluginTests/MobileLevelTests.swift

@@ -17,9 +17,10 @@ class MobileLevelTests: XCTestCase {
         // Use XCTAssert and related functions to verify your tests produce the correct results.
 
         let implementation = MobileLevel()
-        let value = "Hello, World!"
-        let result = implementation.echo(value)
+//        let value = "Hello, World!"
+//        let result =
+        implementation.open(path: "hello", callback: <#T##(String?) -> Void#>)
 
-        XCTAssertEqual(value, result)
+        XCTAssertEqual(true, true)
     }
 }

ios/Podfile

@@ -5,6 +5,7 @@ def capacitor_pods
   use_frameworks!
   pod 'Capacitor', :path => '../node_modules/@capacitor/ios'
   pod 'CapacitorCordova', :path => '../node_modules/@capacitor/ios'
+  pod 'leveldb-library', '~> 1.22.5'
 end
 
 target 'Plugin' do