- Able to Read the CSV file and convert to CSV class(Object Oriented Approach).

- Refactored CSV Export class.

Author: vigneshuvi

Examples/SampleSwift/SampleSwift.xcodeproj/project.pbxproj

@@ -331,13 +331,16 @@
 			files = (
 			);
 			inputPaths = (
+				"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
+				"${PODS_ROOT}/Manifest.lock",
 			);
 			name = "[CP] Check Pods Manifest.lock";
 			outputPaths = (
+				"$(DERIVED_FILE_DIR)/Pods-SampleSwiftTests-checkManifestLockResult.txt",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n";
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
 		33A400582F818FDFD5E2610C /* [CP] Embed Pods Frameworks */ = {
@@ -346,9 +349,14 @@
 			files = (
 			);
 			inputPaths = (
+				"${SRCROOT}/Pods/Target Support Files/Pods-SampleSwift/Pods-SampleSwift-frameworks.sh",
+				"${BUILT_PRODUCTS_DIR}/SwiftCSVExport/SwiftCSVExport.framework",
+				"${BUILT_PRODUCTS_DIR}/SwiftLoggly/SwiftLoggly.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SwiftCSVExport.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SwiftLoggly.framework",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
@@ -361,13 +369,16 @@
 			files = (
 			);
 			inputPaths = (
+				"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
+				"${PODS_ROOT}/Manifest.lock",
 			);
 			name = "[CP] Check Pods Manifest.lock";
 			outputPaths = (
+				"$(DERIVED_FILE_DIR)/Pods-SampleSwiftUITests-checkManifestLockResult.txt",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n";
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
 		8523F8CAD25749EA216FAF6D /* [CP] Embed Pods Frameworks */ = {
@@ -436,13 +447,16 @@
 			files = (
 			);
 			inputPaths = (
+				"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
+				"${PODS_ROOT}/Manifest.lock",
 			);
 			name = "[CP] Check Pods Manifest.lock";
 			outputPaths = (
+				"$(DERIVED_FILE_DIR)/Pods-SampleSwift-checkManifestLockResult.txt",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n";
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
 /* End PBXShellScriptBuildPhase section */

Examples/SampleSwift/SampleSwift/ViewController.swift

@@ -41,8 +41,16 @@ class ViewController: UIViewController {
         data.add(user1);
         data.add(user2);
 
-        let filePath:String = SwiftCSVExport.exportCSV("userlist",fields: ["name", "email", "address"],values: data);
+        // Create a object for write CSV
+        let writeCSVObj = CSV()
+        writeCSVObj.rows = data
+        writeCSVObj.fields = ["name", "email", "address"]
+        writeCSVObj.name = "userlist"
+        
+        // Write File using CSV class object
+        let filePath:String = SwiftCSVExport.exportCSV(writeCSVObj);
         print(filePath)
+
 
         let request = NSURLRequest(url:  URL(fileURLWithPath: filePath) )
         webview.loadRequest(request as URLRequest)
@@ -53,6 +61,11 @@ class ViewController: UIViewController {
             loggly(LogType.Info, dictionary: fileDetails)
         }
 
+        // Read File in Object Oriented Way
+        let readCSVObj = readCSVObject(filePath);
+        
+        // Use 'SwiftLoggly' pod framework to print the Dictionary
+        loggly(LogType.Info, text: readCSVObj.name)
 
     }
 

README.md

@@ -11,6 +11,7 @@ Simple way to export csv file with rich feature framework and written in Swift.
 - Able to set CSV headers using fields.
 - Able to convert JSON string into CSV.
 - Able to Read the CSV file and convert to NSDictionary.
+- Able to Read the CSV file and convert to CSV class(Object Oriented Approach).
 - Support CocoaPods, mac OS and Vapor framework(Swift Package Manager).
 - Able to encoding CSV based on String.Encoding Type(utf8, ascii, unicode, utf16, etc) Refer: String.Encoding.
 - Able to view the exported CSV documents in iOS Files app by enabling the configuration in your project.
@@ -240,6 +241,53 @@ if fileDetails.allKeys.count > 0 {
 }
 
 
+```
+
+### Example 7  - Swift - Object Oriented Approach
+
+```swift
+
+// Generate CSV file
+let user1:NSMutableDictionary = NSMutableDictionary()
+user1.setObject("vignesh", forKey: "name" as NSCopying);
+user1.setObject("[email protected]", forKey: "email" as NSCopying);
+user1.setObject("Hi Vignesh, \nhow are you? \t Shall we meet tomorrow? \r Thanks ", forKey: "address" as NSCopying);
+
+let user2:NSMutableDictionary = NSMutableDictionary()
+user2.setObject("vinoth", forKey: "name" as NSCopying);
+user2.setObject("[email protected]", forKey: "email" as NSCopying);
+user2.setObject("Hi Vinoth, \nHow are you? \t Shall we meet tomorrow? \r Thanks ", forKey: "address" as NSCopying);
+
+
+let data:NSMutableArray  = NSMutableArray()
+data.add(user1);
+data.add(user2);
+
+// Create a object for write CSV
+let writeCSVObj = CSV()
+writeCSVObj.rows = data
+writeCSVObj.fields = ["name", "email", "address"]
+writeCSVObj.name = "userlist"
+
+// Write File using CSV class object
+let filePath:String = SwiftCSVExport.exportCSV(writeCSVObj);
+print(filePath)
+
+// Read File in Object Oriented Way
+let readCSVObj = readCSVObject(filePath);
+
+// Use 'SwiftLoggly' pod framework to print the Dictionary
+loggly(LogType.Info, text: readCSVObj.name)
+
+
+```
+
+### Write Output:
+
+```swift
+
+Output: userlist
+
 ```
 
 

SwiftCSVExport.podspec

@@ -16,8 +16,8 @@ Pod::Spec.new do |s|
   #
 
   s.name         = "SwiftCSVExport"
-  s.version      = "1.0.5"
-  s.summary      = "Simple way to export csv file with rich feature framework and written in Swift 3."
+  s.version      = "1.0.6"
+  s.summary      = "Simple way to export csv file with rich feature framework and written in Swift 3 & 4."
 
   # This description is used to generate tags and improve search results.
   #   * Think: What does it do? Why did you write it? What is the focus?

SwiftCSVExport.xcodeproj/project.pbxproj

@@ -514,7 +514,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
 				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
@@ -538,7 +538,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = vigneshuvi.SwiftCSVExport;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_SWIFT3_OBJC_INFERENCE = On;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
 				SWIFT_VERSION = 4.0;
 			};
 			name = Release;

SwiftCSVExport/Sources/CSVExport.swift

@@ -14,11 +14,11 @@ public enum DividerType: String {
     case semicolon = ";"
 }
 
-@objc open class CSV:NSObject {
-    var fields:NSArray = []
-    var rows:NSArray = []
-    var name:String = ""
-    var delimiter:String = DividerType.comma.rawValue
+@objc public class CSV:NSObject {
+    open var fields:NSArray = []
+    open var rows:NSArray = []
+    open var name:String = ""
+    open var delimiter:String = DividerType.comma.rawValue
 }
 
 //MARK: -  Extension for String to find length
@@ -30,6 +30,21 @@ extension String {
         return result
     }
 
+    func split(regex pattern: String) -> [String] {
+        
+        guard let re = try? NSRegularExpression(pattern: pattern, options: [])
+            else { return [] }
+        
+        let nsString = self as NSString // needed for range compatibility
+        let stop = "<SomeStringThatYouDoNotExpectToOccurInSelf>"
+        let modifiedString = re.stringByReplacingMatches(
+            in: self,
+            options: [],
+            range: NSRange(location: 0, length: nsString.length),
+            withTemplate: stop)
+        return modifiedString.components(separatedBy: stop)
+    }
+    
     var length: Int {
         return self.count
     }
@@ -227,9 +242,10 @@ extension String {
         return rowsDictionary;
     }
 
-    func splitUsingDelimiter(_ string: String, separatedBy: String) -> NSArray {
+    func splitUsingDelimiter(_ string: String, separatedBy: String) -> [String] {
         if string.length > 0 {
-            return string.components(separatedBy: separatedBy) as NSArray;
+            let t1 = string.components(separatedBy: separatedBy) as [String];
+            return t1.filter{ !$0.isEmpty }
         }
         return [];
     }
@@ -261,8 +277,7 @@ extension String {
                 if csvText.length > 0 {
 
                     // Split based on Newline delimiter
-                    //let csvArray = self.splitUsingDelimiter(csvText, separatedBy: "\n") as NSArray
-                    let csvArray = csvText.lines
+                    let csvArray:[String] = self.splitUsingDelimiter(csvText, separatedBy: "\n")
                     if csvArray.count >= 2 {
                         var fieldsArray:NSArray = [];
                         let rowsArray:NSMutableArray  = NSMutableArray()
@@ -273,9 +288,9 @@ extension String {
                                 fieldsArray = self.splitUsingDelimiter(row, separatedBy: div) as NSArray;
                             } else {
                                 // Get the CSV values
-                                let valuesArray = self.splitUsingDelimiter(row, separatedBy: div) as NSArray;
+                                let valuesArray = self.splitUsingDelimiter(row, separatedBy: "\"\(div)") as NSArray;
                                 if valuesArray.count == fieldsArray.count  && valuesArray.count > 0{
-                                    let rowJson:NSMutableDictionary = self.generateDict(fieldsArray, valuesArray: valuesArray)
+                                    let rowJson:NSMutableDictionary = self.generateDict(fieldsArray, valuesArray: valuesArray as NSArray)
                                     if rowJson.allKeys.count > 0 && valuesArray.count == rowJson.allKeys.count && rowJson.allKeys.count == fieldsArray.count {
                                         rowsArray.add(rowJson)
                                     }

SwiftCSVExportTests/SwiftCSVExportTests.swift

@@ -34,10 +34,15 @@ class SwiftCSVExportTests: XCTestCase {
         let path:String = SwiftCSVExport.exportCSV("numberList",fields: fields,values: numberArray);
         print(path)
 
+        // Read CSV as NSMutableDictionary object
         let numberDetails = readCSV(path);
         if numberDetails.allKeys.count > 0 {
             print(numberDetails)
         }
+        
+        // Read CSV as CSV class object
+        let csvObj = readCSVObject(path);
+        loggly(LogType.Info, text: csvObj.name)
     }
 
     func testPerformanceExample() {