fix: duplicate path separators

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 1.0.1
+
+### Fixes
+
+- Remove duplicate path separators that could cause files to not be found.
+
 ## 1.0.0
 
 ### Features

IONFileViewerLib.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |spec|
   spec.name                   = 'IONFileViewerLib'
-  spec.version                = '1.0.0'
+  spec.version                = '1.0.1'
 
   spec.summary                = 'Library for viewing files in iOS.'
   spec.description            = <<-DESC

IONFileViewerLib/IONFLVWManager.swift

@@ -16,9 +16,10 @@ extension IONFLVWManager: IONFLVWOpenDocumentManager {
         guard !filePath.isEmpty else {
             throw IONFLVWError.emptyFilePath
         }
-        guard let file = URL(string: filePath) else { throw IONFLVWError.couldNotOpenDocument }
+        let filePathToUse = replaceDuplicateSlashes(fromLocalPath: filePath)
+        guard let file = URL(string: filePathToUse) else { throw IONFLVWError.couldNotOpenDocument }
         guard !file.pathExtension.isEmpty else { throw IONFLVWError.missingFileExtension }
-        guard fileManager.fileExists(atPath: file.path) else { throw IONFLVWError.fileDoesNotExist(atPath: filePath) }
+        guard fileManager.fileExists(atPath: file.path) else { throw IONFLVWError.fileDoesNotExist(atPath: filePathToUse) }
 
         openDocumentFromLocalPath(file, completion)
     }
@@ -59,8 +60,9 @@ extension IONFLVWManager: IONFLVWOpenDocumentManager {
 extension IONFLVWManager: IONFLVWPreviewMediaManager {
     public func previewMediaContentFromLocalPath(filePath: String) throws {
         guard !filePath.isEmpty else { throw IONFLVWError.emptyFilePath }
-        guard let file = URL(string: filePath) else { throw IONFLVWError.couldNotOpenDocument }
-        guard fileManager.fileExists(atPath: file.path) else { throw IONFLVWError.fileDoesNotExist(atPath: filePath) }
+        let filePathToUse = replaceDuplicateSlashes(fromLocalPath: filePath)
+        guard let file = URL(string: filePathToUse) else { throw IONFLVWError.couldNotOpenDocument }
+        guard fileManager.fileExists(atPath: file.path) else { throw IONFLVWError.fileDoesNotExist(atPath: filePathToUse) }
 
         previewMediaContent(file)
     }
@@ -104,4 +106,18 @@ private extension IONFLVWManager {
         let resourceURL = URL(fileURLWithPath: resourcePath)
         return resourceURL
     }
+
+    func replaceDuplicateSlashes(fromLocalPath path: String) -> String {
+        // remove duplicate slashes '//', except for the ones indicating the scheme (e.g. 'file://')
+        var pathWithoutDuplicateSeparators = path.replacingOccurrences(
+            of: #"(?<!:)/{2,}(?!/)"#,
+            with: "/",
+            options: .regularExpression
+        )
+        if (path.contains(":///")) {
+            // the regex may ommit a slash after ://, which is incorrect because it breaks in case of an absolute file path
+            pathWithoutDuplicateSeparators = pathWithoutDuplicateSeparators.replacingOccurrences(of: "://", with: ":///")
+        }
+        return pathWithoutDuplicateSeparators
+    }
 }

README.md

@@ -17,7 +17,7 @@ The library supports local files, app assets, and remote URLs.
 `ion-ios-fileviewer` is available through [CocoaPods](https://cocoapods.org). Add this to your Podfile:
 
 ```ruby
-pod 'IONFileViewerLib', '~> 1.0.0'  # Use the latest 1.0.x version
+pod 'IONFileViewerLib', '~> 1.0.1'  # Use the latest 1.0.x version
 ```
 
 ## Quick Start