DCalendar

commit 80622da324d9b6a6a089624e0d4b7b0240ffedd7
Author: Dominik Schmidt <das1993@hotmail.com>
Date:   Tue, 28 Jul 2015 22:09:31 +0200

Initial commit.

Diffstat:
dcalendar.d
 | 
47
+++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 47 insertions(+), 0 deletions(-)
diff --git a/dcalendar.d b/dcalendar.d
@@ -0,0 +1,47 @@
+module dcalendar;
+import std.stdio;
+import std.algorithm;
+import std.datetime;
+import std.string;
+
+class Calendar{
+	private string filename;
+	private File f;
+	private static char buf[6];
+	this(string filename){
+		this.filename=filename;
+	}
+	public void open(){
+		f.open(filename,"r");
+	}
+	public void close(){
+		f.close();
+	}
+	char[] format(inout ref SysTime t){
+		return sformat(buf,"%02d/%02d", t.month, t.day);
+	}
+	public auto getEntries(inout SysTime t)
+	in{
+		assert(f.isOpen, "File not open");
+	}
+	body{
+		return f.byLine.filter!(a=>startsWith(a, this.format(t))).map!(a=>a[6..$]);
+	}
+}
+
+struct CalendarList{
+	Calendar calendars[];
+	
+	void add(string filename){
+		calendars~=new Calendar(filename);
+	}
+	void run(inout SysTime t, void delegate(char[]) f){
+		foreach(ref Calendar c; calendars){
+			c.open();
+			foreach(char[] s; c.getEntries(t)){
+				f(s);
+			}
+			c.close();
+		}
+	}
+}