Load gettext message files

2 files changed, 64 insertions, 2 deletions

diff --git a/android/translations-converter/src/gettext.rs b/android/translations-converter/src/gettext.rs
new file mode 100644
index 0000000000..bbec6bb798
--- /dev/null
+++ b/android/translations-converter/src/gettext.rs
@@ -0,0 +1,49 @@
+use std::{
+    fs::File,
+    io::{BufRead, BufReader},
+    path::Path,
+};
+
+/// A message entry in a gettext translation file.
+#[derive(Clone, Debug)]
+pub struct MsgEntry {
+    pub id: String,
+    pub value: String,
+}
+
+/// Load message entries from a gettext translation file.
+pub fn load_file(file_path: impl AsRef<Path>) -> Vec<MsgEntry> {
+    let mut entries = Vec::new();
+    let mut current_id = None;
+    let file = BufReader::new(File::open(file_path).expect("Failed to open gettext file"));
+
+    for line in file.lines() {
+        let line = line.expect("Failed to read from gettext file");
+        let line = line.trim();
+
+        if let Some(msg_id) = parse_line(line, "msgid \"", "\"") {
+            current_id = Some(msg_id);
+        } else {
+            if let Some(value) = parse_line(line, "msgstr \"", "\"") {
+                if let Some(id) = current_id.take() {
+                    entries.push(MsgEntry { id, value });
+                }
+            }
+
+            current_id = None;
+        }
+    }
+
+    entries
+}
+
+fn parse_line(line: &str, prefix: &str, suffix: &str) -> Option<String> {
+    if line.starts_with(prefix) && line.ends_with(suffix) {
+        let start = prefix.len();
+        let end = line.len() - suffix.len();
+
+        Some(line[start..end].to_owned())
+    } else {
+        None
+    }
+}
diff --git a/android/translations-converter/src/main.rs b/android/translations-converter/src/main.rs
index 2b7741ada4..c38d903829 100644
--- a/android/translations-converter/src/main.rs
+++ b/android/translations-converter/src/main.rs
@@ -1,9 +1,13 @@
 //! Helper tool to convert translations from gettext messages to Android string resources.
 
 mod android;
+mod gettext;
 
 use regex::Regex;
-use std::{collections::HashMap, fs::File};
+use std::{
+    collections::HashMap,
+    fs::{self, File},
+};
 
 fn main() {
     let strings_file = File::open("../src/main/res/values/strings.xml")
@@ -23,5 +27,14 @@ fn main() {
         })
         .collect();
 
-    dbg!(known_strings);
+    let locale_files = fs::read_dir("../../gui/locales")
+        .expect("Failed to open root locale directory")
+        .filter_map(|dir_entry_result| dir_entry_result.ok().map(|dir_entry| dir_entry.path()))
+        .filter(|dir_entry_path| dir_entry_path.is_dir())
+        .map(|dir_path| dir_path.join("messages.po"))
+        .filter(|file_path| file_path.exists());
+
+    for locale_file in locale_files {
+        dbg!(gettext::load_file(locale_file));
+    }
 }