From a8e3264302541ceb575d6daab6a6d916f40818b3 Mon Sep 17 00:00:00 2001
From: jmacwhyte <keatonatron@gmail.com>
Date: Fri, 28 Apr 2017 18:55:55 -0700
Subject: [PATCH] initial (and final?) commit!

---
 .gitignore |   2 +
 README.md  |  20 ++++++++++
 l2l/l2l.go | 105 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 127 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 README.md
 create mode 100644 l2l/l2l.go

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c0c81dd
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+Strings.swift
+Localizable.strings
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..229376d
--- /dev/null
+++ b/README.md
@@ -0,0 +1,20 @@
+## Localized-to-Localizable
+
+This is a simple Go program that searches through a (swift or Obj-C) file of NSLocalizedStrings and generates a Localizable.strings file based on the keys, default values, and comments.
+
+### But why?
+
+XCode apparently doesn't really support exporting a `Localizable.strings` file when localized strings have a default value that doesn't match the key. This isn't a problem when you want your keys to be the same as your values, such as:
+
+`key: "Click here to submit", value: "Click here to submit"`
+
+However, what if you want your keys to be more code-friendly/platform agnostic while saving default values that represent the actual text you want to include? This script will allow you to easily generate a `Localizable.strings` file with strings that look like:
+
+`key: "SubmitText", value: "Click here to submit"`
+
+### How to use it
+Simply define all of your strings with a key, default value, and (optional) comment like so:
+
+```let submitText = NSLocalizedString("SubmitText", value:"Click here to submit", comment: "Submit button label")```
+
+Run the script by calling `l2l` and it will look in the current directory for a `Strings.swift` file. You can also pass the filename you want it to parse as an argument after `l2l`.
\ No newline at end of file
diff --git a/l2l/l2l.go b/l2l/l2l.go
new file mode 100644
index 0000000..9ade818
--- /dev/null
+++ b/l2l/l2l.go
@@ -0,0 +1,105 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"regexp"
+	"sort"
+	"strings"
+)
+
+func main() {
+
+	path := "strings.swift"
+
+	if len(os.Args) >= 2 {
+		path = os.Args[1]
+	}
+
+	source, err := ioutil.ReadFile(path)
+	if err != nil {
+		fmt.Println("Error:", err)
+		return
+	}
+	// NSLocalizedString("UpdatePin.updateTitle", value:"Update PIN", comment: "Update Pin title")
+
+	NSLocalized := regexp.MustCompile(`(?m)NSLocalizedString\((.*)\)`)
+	hits := NSLocalized.FindAllStringSubmatch(string(source), -1)
+
+	if len(hits) == 0 {
+		fmt.Println("Found no instances of NSLocalizedString")
+		return
+	}
+
+	type Entry struct {
+		comment string
+		key     string
+		value   string
+	}
+
+	entries := make(map[string]Entry)
+	var keys []string
+
+	for _, entry := range hits {
+		var e Entry
+
+		details := strings.TrimSpace(entry[1])
+		key := regexp.MustCompile(`^"([^"]*)"`).FindStringSubmatch(details)
+		if len(key) < 2 {
+			fmt.Println("No key found in ", entry[0])
+			return
+		}
+		e.key = key[1]
+
+		others := regexp.MustCompile(`,([ a-z:]*)"([^"]*)"`).FindAllStringSubmatch(details, -1)
+
+		for i, v := range others {
+			switch strings.Replace(v[1], ` `, ``, -1) {
+			case `value:`:
+				e.value = v[2]
+				continue
+			case `comment:`:
+				e.comment = v[2]
+				continue
+			}
+			switch i {
+			case 3:
+				e.value = v[2]
+			case 4:
+				e.comment = v[2]
+			}
+		}
+
+		if e.value == `` {
+			fmt.Println("No value found in ", entry[0])
+			return
+		}
+		if e.comment == `` {
+			fmt.Println("Warning: No comment found in ", entry[0])
+			e.comment = `No comment provided.`
+		}
+		entries[e.key] = e
+		keys = append(keys, e.key)
+	}
+
+	// Sort keys
+	sort.Strings(keys)
+
+	var output string
+
+	for i := range keys {
+		output += `/* ` + entries[keys[i]].comment + ` */
+"` + entries[keys[i]].key + `" = "` + entries[keys[i]].value + `";
+
+`
+	}
+
+	err = ioutil.WriteFile("Localizable.strings", []byte(output), 0644)
+	if err == nil {
+		fmt.Println("All done!")
+	} else {
+		fmt.Println("Error writing file:", err)
+	}
+
+}