feat: astal-io

1 files changed, 81 insertions, 0 deletions

diff --git a/lib/astal/io/file.vala b/lib/astal/io/file.vala
new file mode 100644
index 0000000..b2d480c
--- /dev/null
+++ b/lib/astal/io/file.vala
@@ -0,0 +1,81 @@
+namespace AstalIO {
+public string read_file(string path) {
+    var str = "";
+    try {
+        FileUtils.get_contents(path, out str, null);
+    } catch (Error error) {
+        critical(error.message);
+    }
+    return str;
+}
+
+public async string read_file_async(string path) throws Error {
+    uint8[] content;
+    yield File.new_for_path(path).load_contents_async(null, out content, null);
+    return (string)content;
+}
+
+public void write_file(string path, string content) {
+    try {
+        FileUtils.set_contents(path, content);
+    } catch (Error error) {
+        critical(error.message);
+    }
+}
+
+public async void write_file_async(string path, string content) throws Error {
+    yield File.new_for_path(path).replace_contents_async(
+        content.data,
+        null,
+        false,
+        FileCreateFlags.REPLACE_DESTINATION,
+        null,
+        null);
+}
+
+public FileMonitor? monitor_file(string path, Closure callback) {
+    try {
+        var file = File.new_for_path(path);
+        var mon = file.monitor(FileMonitorFlags.NONE);
+
+        mon.changed.connect((file, _file, event) => {
+            var f = Value(Type.STRING);
+            var e = Value(Type.INT);
+            var ret = Value(Type.POINTER);
+
+            f.set_string(file.get_path());
+            e.set_int(event);
+
+            callback.invoke(ref ret, { f, e });
+        });
+
+        if (FileUtils.test(path, FileTest.IS_DIR)) {
+            var enumerator = file.enumerate_children("standard::*",
+                FileQueryInfoFlags.NONE, null);
+
+            var i = enumerator.next_file(null);
+            while (i != null) {
+                if (i.get_file_type() == FileType.DIRECTORY) {
+                    var filepath = file.get_child(i.get_name()).get_path();
+                    if (filepath != null) {
+                        var m = monitor_file(path, callback);
+                        mon.notify["cancelled"].connect(() => {
+                            m.cancel();
+                        });
+                    }
+                }
+                i = enumerator.next_file(null);
+            }
+        }
+
+        mon.ref();
+        mon.notify["cancelled"].connect(() => {
+            mon.unref();
+        });
+        return mon;
+    } catch (Error error) {
+        critical(error.message);
+        return null;
+    }
+}
+}