[bunnytask] added config file support

1 files changed, 50 insertions, 0 deletions

diff --git a/lib/config.ha b/lib/config.ha
new file mode 100644
index 0000000..def33dd
--- /dev/null
+++ b/lib/config.ha
@@ -0,0 +1,50 @@
+use dirs;
+use format::ini;
+use fs;
+use io;
+use strings;
+use os;
+
+export type config = struct { files: []str };
+
+fn load_item(scanner: *ini::scanner) (ini::entry | done) = {
+	match(ini::next(scanner)) {
+		case let entry: ini::entry => return entry;
+		case => return done;
+	};
+};
+
+// caller must free after use using [[config_free]]
+export fn config_read() (*config | fs::error | nomem) = {
+
+    const config_file = dirs::config("bunnytask");
+    const config_file = strings::concat(config_file, "/config.ini")?;
+    defer free(config_file);
+
+	// open
+	const config_file = os::open(config_file)?;
+	defer io::close(config_file)!;
+
+	const scanner = ini::scan(config_file);
+	defer ini::finish(&scanner);
+
+	// read
+	let files: []str = [];
+
+	for (let entry => load_item(&scanner)) {
+		if (strings::trim(entry.1) == "todo_file") {
+			// TODO shell expand
+			const file = strings::trim(entry.2);
+
+			append(files, strings::dup(file)?)?;
+		};
+	};
+
+	// return
+	return alloc(config { files = files })?;
+};
+
+export fn config_free(config: *config) void = {
+	strings::freeall(config.files);
+	free(config);
+};