add file utils

2 files changed, 69 insertions, 0 deletions

diff --git a/src/file.vala b/src/file.vala
new file mode 100644
index 0000000..5f094b4
--- /dev/null
+++ b/src/file.vala
@@ -0,0 +1,68 @@
+namespace Astal {
+public string read_file(string path) throws Error {
+    var str = "";
+    FileUtils.get_contents(path, out str, null);
+    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) throws Error {
+    FileUtils.set_contents(path, content);
+}
+
+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,
+        GLib.FileCreateFlags.REPLACE_DESTINATION,
+        null,
+        null);
+}
+
+public FileMonitor monitor_file(string path, Closure callback) throws Error {
+    var file = File.new_for_path(path);
+    var mon = file.monitor(GLib.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;
+}
+}
diff --git a/src/meson.build b/src/meson.build
index 80e5a33..bbce8b0 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -40,6 +40,7 @@ sources = [
   'widget/widget.vala',
   'widget/window.vala',
   'astal.vala',
+  'file.vala',
   'process.vala',
   'time.vala',
   'variable.vala',