Localize objc M files
localize_m: Easy localization of objc .m files
Localize_m helps with localizing your objc .m files. It has two modes:
- Interactively parse your file, and ask for each string whether it should be localized ( --ask-all option).
- Automatically parse your file and replace each @"..." string prefixed with __LOCALIZE with a localized version. This mode can run in a fully automated fashion or, when you use the -c option, localize_m will ask you to edit the slug and to provide a comment for the translator.
localize_m inserts the following code for each @"..." string you choose to replace:
NSLocalizedStringWithDefaultValue(<slug>, kDefaultLocalizationTable, kClassBundle, @"...", @"...")
We use this function instead of NSLocalizedString, as it gives full flexibilty, and provides comments to the translator. In fact, we do not recommend using NSLocalizedString.
Slugs and Localization ID’s
Localize_m automatically generates slugs from your strings to act as identifiers for your translations. Formatting codes %@, %d, etc are replaced by  in your slugs, for ease of reading. Why do we use slugs as id?
- slugs should uniquely describe the string. Even if you have the same @”Example” string at multiple place in your code, you may want to be able to translate to Dutch with @”Voorbeeld”, and with @”Bijv.” at another place. So if you use slugs example-long-form and example-short-form, you can discriminiate between the two
- To help you resist the temptation to edit the ID. Never edit the ID, when your strings have been translated.
In your project.pch precompiled header define:
#define __LOCALIZE #define kClassBundle [NSBundle bundleForClass:[self class]] #define kDefaultLocalizationsTable nil
This makes sure that your project compiles, even when you have put __LOCALIZEs in your code, and haven’t run the localize_m script yet. We use [NSBundle bundleForClass:[self class]] so that your project is framework compatible. You can manually override the kDefaultLocalizationsTable with a string, when you want to use another table than the default Localizations.strings file.
localize_m [-h] [-p PATH] [-o [outfile]] [-a] [-c] [--inplace] [--table TABLE] [--bundle BUNDLE] [--replace REPLACE] [infile] Input: -p PATH, --path PATH localize all .m files in path infile Input .m file -o [outfile], --outfile [outfile] Output file, otherwise stdout -a, --ask-all ask for all strings (interactive)) -c, --comments ask for comments and ids (interactive) --inplace localize file in-place Customization: --table TABLE custom localizations table argument --bundle BUNDLE custom NSBundle argument --replace REPLACE Auto localization prefix string
Localize_m uses python, which is installed on every Mac by default. Use pip to install:
# pip install localize_m Collecting localize-m Downloading Localize_M-1.0.tar.gz Collecting colored (from localize-m) Using cached colored-1.2.1.tar.gz Collecting slugify (from localize-m) Using cached slugify-0.0.1.tar.gz Collecting gnureadline (from localize-m) Using cached gnureadline-6.3.3-cp27-none-macosx_10_6_intel.whl Installing collected packages: colored, slugify, gnureadline, localize-m Running setup.py install for colored Running setup.py install for slugify Running setup.py install for localize-m Successfully installed colored-1.2.1 gnureadline-6.3.3 localize-m-1.0 slugify-0.0.1 #
# cd project/src # localize_m MainViewController.m --comments --inplace
All m files
localize_m -p ./ --comments
You can go through all files. Press CTRL-C to save your changes and quit. Just start localize_m again to resume where you left.
# localize_m MainViewController.m --table '@"MyTable"' --bundle '[NSBundle mainBundle]'
Uses the @"MyTable" string as the localizationsTable argument and [NSBundle mainBundle] as the bundle argument for NSLocalizedStringWithDefualtFormat funtion.
Download the file for your platform. If you're not sure which to choose, learn more about installing packages.
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