From 452d2d3398a20e4ce09e241091da472345b1ec82 Mon Sep 17 00:00:00 2001
From: Antonin Delpeuch <antonin@delpeuch.eu>
Date: Wed, 3 Sep 2025 13:27:52 +0200
Subject: [PATCH] feat: Gettext support (*.po, *.pot)

---
 Cargo.lock                               | 11 +++++++++++
 Cargo.toml                               |  1 +
 doc/src/languages.md                     |  1 +
 examples/po/working/messages/Base.po     |  4 ++++
 examples/po/working/messages/Expected.po | 11 +++++++++++
 examples/po/working/messages/Left.po     |  7 +++++++
 examples/po/working/messages/Right.po    |  7 +++++++
 src/supported_langs.rs                   | 16 ++++++++++++++++
 8 files changed, 58 insertions(+)
 create mode 100644 examples/po/working/messages/Base.po
 create mode 100644 examples/po/working/messages/Expected.po
 create mode 100644 examples/po/working/messages/Left.po
 create mode 100644 examples/po/working/messages/Right.po

diff --git a/Cargo.lock b/Cargo.lock
index 2efc586..cce9413 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -569,6 +569,7 @@ dependencies = [
  "tree-sitter-nix",
  "tree-sitter-ocaml",
  "tree-sitter-php",
+ "tree-sitter-po-orchard",
  "tree-sitter-properties",
  "tree-sitter-python-orchard",
  "tree-sitter-ruby",
@@ -1243,6 +1244,16 @@ dependencies = [
  "tree-sitter-language",
 ]
 
+[[package]]
+name = "tree-sitter-po-orchard"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4be5cb95a9a7d3e4ed0691545e7b78a0426becd99261249abd3444627df8d38"
+dependencies = [
+ "cc",
+ "tree-sitter-language",
+]
+
 [[package]]
 name = "tree-sitter-properties"
 version = "0.3.0"
diff --git a/Cargo.toml b/Cargo.toml
index 2a9dea5..6538076 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,6 +41,7 @@ tree-sitter-cpp = "0.23"
 tree-sitter-c-sharp = "0.23"
 tree-sitter-xml = "0.7.0"
 tree-sitter-go = "0.25.0"
+tree-sitter-po-orchard = "0.1"
 tree-sitter-gomod-orchard = "0.4"
 tree-sitter-gosum-orchard = "0.2"
 tree-sitter-dart-orchard = "0.1"
diff --git a/doc/src/languages.md b/doc/src/languages.md
index 555dd2f..9055a4d 100644
--- a/doc/src/languages.md
+++ b/doc/src/languages.md
@@ -36,6 +36,7 @@ and the following declarative file formats:
 * Java properties files (*.properties)
 * HCL (*.hcl, *.tf, *.tfvars)
 * `go.mod` and `go.sum` files
+* Gettext (*.po, *.pot)
 
 This list can also be obtained with the `mergiraf languages` command.
 
diff --git a/examples/po/working/messages/Base.po b/examples/po/working/messages/Base.po
new file mode 100644
index 0000000..de5afd9
--- /dev/null
+++ b/examples/po/working/messages/Base.po
@@ -0,0 +1,4 @@
+#: src/main.c:22
+msgid "Hello"
+msgstr "Hallo"
+
diff --git a/examples/po/working/messages/Expected.po b/examples/po/working/messages/Expected.po
new file mode 100644
index 0000000..7d0b36d
--- /dev/null
+++ b/examples/po/working/messages/Expected.po
@@ -0,0 +1,11 @@
+#: src/main.c:22
+msgid "Hello"
+msgstr "Hallo"
+
+#: src/main.c:38
+msgid "OK"
+msgstr "Bestätigen"
+
+#: src/main.c:39
+msgid "Cancel"
+msgstr "Abbrechen"
diff --git a/examples/po/working/messages/Left.po b/examples/po/working/messages/Left.po
new file mode 100644
index 0000000..8f9a0e2
--- /dev/null
+++ b/examples/po/working/messages/Left.po
@@ -0,0 +1,7 @@
+#: src/main.c:22
+msgid "Hello"
+msgstr "Hallo"
+
+#: src/main.c:38
+msgid "OK"
+msgstr "Bestätigen"
diff --git a/examples/po/working/messages/Right.po b/examples/po/working/messages/Right.po
new file mode 100644
index 0000000..3f5c327
--- /dev/null
+++ b/examples/po/working/messages/Right.po
@@ -0,0 +1,7 @@
+#: src/main.c:22
+msgid "Hello"
+msgstr "Hallo"
+
+#: src/main.c:39
+msgid "Cancel"
+msgstr "Abbrechen"
diff --git a/src/supported_langs.rs b/src/supported_langs.rs
index 28fd541..390f106 100644
--- a/src/supported_langs.rs
+++ b/src/supported_langs.rs
@@ -552,6 +552,22 @@ pub static SUPPORTED_LANGUAGES: LazyLock<Vec<LangProfile>> = LazyLock::new(|| {
             flattened_nodes: &[],
             comment_nodes: &[],
         },
+        LangProfile {
+            name: "PO",
+            alternate_names: &["Gettext"],
+            extensions: vec!["po", "pot"],
+            file_names: vec![],
+            language: tree_sitter_po_orchard::LANGUAGE.into(),
+            atomic_nodes: vec!["string"],
+            commutative_parents: vec![
+                CommutativeParent::without_delimiters("source_file", "\n\n")
+                    .restricted_to_groups(&[&["message"]]),
+            ],
+            signatures: vec![signature("message", vec![vec![ChildKind("msgid")]])],
+            injections: None,
+            flattened_nodes: &[],
+            comment_nodes: &["comment"],
+        },
         LangProfile {
             name: "Javascript",
             alternate_names: &[],
-- 
2.47.3