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shinjukunian/DocX
Convert NSAttributedString to .docx Word files on iOS and macOS
.package(url: "https://github.com/shinjukunian/DocX.git", from: "0.8.1")

DocX

A small framework that converts NSAttributedString to .docx Word files on iOS and macOS.

Motivation

On iOS, NSAttributedString.DocumentType supports only HTML and Rich Text, while on macOS .doc and .docx are available options. Even then the .docx exporter on macOS supports only a subset of the attributes of NSAttributedString.

This library is used in SimpleFurigana for macOS and SimpleFurigana for iOS, hence the focus on furigana annotation export.

Installation

Add

.package(name: "DocX", url: "https://github.com/shinjukunian/DocX.git", .branch("master"))

to dependencies in your Package.swift file. This requires Swift 5.3, which shipped with Xcode12. Alternatively, add DocX in Xcode via File->Swift Packages->Add Package Dependency, paste https://github.com/shinjukunian/DocX.git as URL and specify master as branch.

Usage

let string = NSAttributedString(string: "This is a string", attributes: [.font: UIFont.systemFont(ofSize: UIFont.systemFontSize), .backgroundColor: UIColor.blue])
let url = URL(fileURLWithPath:"myPath")
try? string.writeDocX(to: url)

See the attached sample projects (for iOS and macOS) for usage and limitations. On iOS, DocX also includes a UIActivityItemProvider subclass (DocXActivityItemProvider) for exporting .docx files through UIActivityViewController.

NSAttributedString has no concept of pagination. For manual pagination, use

try DocXWriter.write(pages:[NSAttributedString], to url:URL)

to render each NSAttributedString as a separate page.

Screenshot macOS

A sample output on macOS opened in Word365.

Screenshot Lenna

A sample output on macOS with an embedded image (via NSTextAttachment). in the macOS sample application (which is a simple NSTextView), this can be achieved using drag&drop. Note that there is little control over the placement of the image, the image will be inline with text.

Screenshot iOS

A sample output on iOS opened in Word for iOS. Furigana annotations are preserved. The link is clickable. Please note that Quicklook (on both platforms) only supports a limited number of attributes.

Supported Attributes

  • most things in NSAttributedString.Key (fonts, colors, underline, indents etc.) except
    • NSAttributedString.Key.expansion
    • NSAttributedString.Key.kern
    • NSAttributedString.Key.ligature
    • NSAttributedString.Key.obliqueness
    • NSAttributedString.Key.superscript (macOS only, doesnt really work for most fonts anyway)
    • NSAttributedString.Key.textEffect
  • CTRubyAnnotation for furigana (ruby) annotations in CoreText
  • NSTextAttachment embedded images (inline with text)

Some attributes don't have a direct correspondence. For example NSAttributedString does (typically) not have the concept of a page size.

Dependencies

  • my fork of AEXML, many thanks to the original author tadija
  • ZipArchive. I could not get any of the native Swift Zip libraries to work with the .docx folder structure.

Alternatives

References

Licence

MIT

GitHub

link
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Last commit: 1 week ago

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iOS Software Engineer @ Perry Street Software
Perry Street Software is Jack’d and SCRUFF. We are two of the world’s largest gay, bi, trans and queer social dating apps on iOS and Android. Our brands reach more than 20 million members worldwide so members can connect, meet and express themselves on a platform that prioritizes privacy and security. We invest heavily into SwiftUI and using Swift Packages to modularize the codebase.

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Release Notes

11 weeks ago

Swiftpack is being maintained by Petr Pavlik | @ptrpavlik | @swiftpackco | API