-
Notifications
You must be signed in to change notification settings - Fork 16
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
a790988
commit 9800201
Showing
9 changed files
with
199 additions
and
40 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| import Foundation | ||
|
|
||
| extension String { | ||
| /// Returns all matches and capturing groups for the provided regular expression applied to the | ||
| /// string | ||
| /// | ||
| /// Source: https://stackoverflow.com/a/40040472/6767508 | ||
| func matchRegex(regex: String) -> [[String]] { | ||
| guard let regex = try? NSRegularExpression(pattern: regex, options: []) else { | ||
| return [] | ||
| } | ||
| let nsString = self as NSString | ||
| let results = regex.matches( | ||
| in: self, | ||
| options: [], | ||
| range: NSRange(location: 0, length: nsString.length) | ||
| ) | ||
| return results.map { result in | ||
| (0 ..< result.numberOfRanges).map { | ||
| result.range(at: $0).location != NSNotFound | ||
| ? nsString.substring(with: result.range(at: $0)) | ||
| : "" | ||
| } | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| import Cocoa | ||
| import Foundation | ||
| import os.log | ||
| import SwiftExec | ||
|
|
||
| struct ZIPInfo { | ||
| /// Percentage by which the ZIP contents have been compressed | ||
| let compressionFactor: Double | ||
| /// Compressed content size in bytes | ||
| let sizeCompressed: Int | ||
| /// Uncompressed content size in bytes | ||
| let sizeUncompressed: Int | ||
| /// Files in the ZIP archive | ||
| let fileTree: FileTree | ||
| } | ||
|
|
||
| class ZIPPreviewVC: OutlinePreviewVC, PreviewVC { | ||
| let secondLineRegex = #"Zip file size: (\d+) bytes, number of entries: \d+"# | ||
| let contentLinesRegex = | ||
| #"([\w-]{10}) .* \w+ +(\d+) \w+ \w+ (\d{2}-\w{3}-\d{2} \d{2}:\d{2}) (.*)"# | ||
| let lastLineRegex = #"^\d+ files, (\d+) bytes uncompressed, \d+ bytes compressed: +([\d.]+)%$"# | ||
|
|
||
| let byteCountFormatter = ByteCountFormatter() | ||
| let dateFormatter = DateFormatter() | ||
|
|
||
| override init(nibName nibNameOrNil: NSNib.Name?, bundle nibBundleOrNil: Bundle?, file: File) { | ||
| super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil, file: file) | ||
| dateFormatter.dateFormat = "yy-MMM-dd HH:mm" // Date format used in `zipinfo` output | ||
| } | ||
|
|
||
| /// Parses the output of the `zipinfo` command | ||
| private func parseZIPInfo(lines: [String.SubSequence]) -> ZIPInfo { | ||
| var compressionFactor: Double = 0 | ||
| var sizeCompressed: Int = 0 | ||
| var sizeUncompressed: Int = 0 | ||
| let fileTree = FileTree() | ||
|
|
||
| // First line: "Archive: my-zip.zip" -> Skip | ||
|
|
||
| // Second line: "Zip file size: 99791 bytes, number of entries: 152" | ||
| let secondLineMatched = String(lines[1]).matchRegex(regex: secondLineRegex) | ||
| sizeCompressed = Int(secondLineMatched[0][1]) ?? -1 | ||
|
|
||
| // Content lines: "drwxr-xr-x 2.0 unx 0 bx stor 20-Jan-13 19:38 my-zip/dir/" | ||
| // - "-" as first character indicates a file, "d" a directory | ||
| // - "0 bx" indicates the number of bytes | ||
| let contentLinesString = lines[2 ... lines.count - 2].joined(separator: "\n") | ||
| let contentLinesMatched = contentLinesString.matchRegex(regex: contentLinesRegex) | ||
| for match in contentLinesMatched { | ||
| // Ignore "__MACOSX" subdirectory (ZIP resource fork created by macOS) | ||
| if !match[3].hasPrefix("__MACOSX/") { | ||
| do { | ||
| // Add file/directory node to tree | ||
| try fileTree.addNode( | ||
| path: match[4], | ||
| isDirectory: match[1].first == "d", | ||
| size: Int(match[2]) ?? -1, | ||
| dateModified: dateFormatter.date(from: match[3]) ?? Date() | ||
| ) | ||
| } catch { | ||
| os_log("%s", type: .error, error.localizedDescription) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // Last line: "152 files, 192919 bytes uncompressed, 65061 bytes compressed: 66.3%" | ||
| let lastLineMatched = String(lines.last ?? "").matchRegex(regex: lastLineRegex) | ||
| sizeUncompressed = Int(lastLineMatched[0][1]) ?? -1 | ||
| compressionFactor = Double(lastLineMatched[0][2]) ?? -1 | ||
|
|
||
| return ZIPInfo( | ||
| compressionFactor: compressionFactor, | ||
| sizeCompressed: sizeCompressed, | ||
| sizeUncompressed: sizeUncompressed, | ||
| fileTree: fileTree | ||
| ) | ||
| } | ||
|
|
||
| func loadPreview() throws { | ||
| // Run `zipinfo` command | ||
| let result = try exec( | ||
| program: "/usr/bin/zipinfo", | ||
| arguments: [file.path] | ||
| ) | ||
|
|
||
| // Parse command output | ||
| let stdoutLines = (result.stdout ?? "").split(separator: "\n") | ||
| let zipInfo = parseZIPInfo(lines: stdoutLines) | ||
|
|
||
| // Load data into outline view | ||
| loadData( | ||
| fileTree: zipInfo.fileTree, | ||
| labelText: """ | ||
| Size uncompressed: \(byteCountFormatter.string(for: zipInfo.sizeUncompressed) ?? "--") | ||
| Size compressed: \(byteCountFormatter.string(for: zipInfo.sizeCompressed) ?? "--") | ||
| Compression factor: \(zipInfo.compressionFactor) | ||
| """ | ||
| ) | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.