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namespace AstalIO {
/**
* Read the contents of a file synchronously.
*/
public string read_file(string path) {
var str = "";
try {
FileUtils.get_contents(path, out str, null);
} catch (Error error) {
critical(error.message);
}
return str;
}
/**
* Read the contents of a file asynchronously.
*/
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;
}
/**
* Write content to a file synchronously.
*/
public void write_file(string path, string content) {
try {
FileUtils.set_contents(path, content);
} catch (Error error) {
critical(error.message);
}
}
/**
* Write content to a file asynchronously.
*/
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);
}
/**
* Monitor a file for changes. If the path is a directory, monitor it recursively.
* The callback will be called passed two parameters: the path of the file
* that changed and an [[email protected]] indicating the reason.
*/
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;
}
}
}
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