b6daa1efa1 2012-07-14        kinaba: import util;
b6daa1efa1 2012-07-14        kinaba: import game;
b6daa1efa1 2012-07-14        kinaba: import core.stdc.signal;
b6daa1efa1 2012-07-14        kinaba: import std.c.stdlib;
b6daa1efa1 2012-07-14        kinaba: 
b6daa1efa1 2012-07-14        kinaba: abstract class Output
b6daa1efa1 2012-07-14        kinaba: {
b6daa1efa1 2012-07-14        kinaba: 	void command(char c);
a5e6c99b3d 2012-07-14        kinaba: 	void flush();
b6daa1efa1 2012-07-14        kinaba: }
b6daa1efa1 2012-07-14        kinaba: 
b6daa1efa1 2012-07-14        kinaba: class NilOutput : Output
b6daa1efa1 2012-07-14        kinaba: {
b6daa1efa1 2012-07-14        kinaba: 	override void command(char c) {}
a5e6c99b3d 2012-07-14        kinaba: 	override void flush() {}
b6daa1efa1 2012-07-14        kinaba: }
b6daa1efa1 2012-07-14        kinaba: 
b6daa1efa1 2012-07-14        kinaba: class StdOutput : Output
a5e6c99b3d 2012-07-14        kinaba: {
a5e6c99b3d 2012-07-14        kinaba: 	override void command(char c)
a5e6c99b3d 2012-07-14        kinaba: 	{
a5e6c99b3d 2012-07-14        kinaba: 		write(c);
a5e6c99b3d 2012-07-14        kinaba: 		stdout.flush();
a5e6c99b3d 2012-07-14        kinaba: 	}
a5e6c99b3d 2012-07-14        kinaba: 	override void flush() {}
a5e6c99b3d 2012-07-14        kinaba: }
a5e6c99b3d 2012-07-14        kinaba: 
a5e6c99b3d 2012-07-14        kinaba: // TODO: clean it up.
a5e6c99b3d 2012-07-14        kinaba: __gshared Output g_output;
a5e6c99b3d 2012-07-14        kinaba: 
a5e6c99b3d 2012-07-14        kinaba: class GuardedOutput : StdOutput
b6daa1efa1 2012-07-14        kinaba: {
b6daa1efa1 2012-07-14        kinaba: 	// Handle SIGINT: force abort and exit.
b6daa1efa1 2012-07-14        kinaba: 	static this()
b6daa1efa1 2012-07-14        kinaba: 	{
b6daa1efa1 2012-07-14        kinaba: 		signal(SIGINT, &sigint);
b6daa1efa1 2012-07-14        kinaba: 	}
a5e6c99b3d 2012-07-14        kinaba: 
a5e6c99b3d 2012-07-14        kinaba: 	extern(C) static void sigint(int)
a5e6c99b3d 2012-07-14        kinaba: 	{
a5e6c99b3d 2012-07-14        kinaba: 		if(g_output !is null)
a5e6c99b3d 2012-07-14        kinaba: 			g_output.flush();
a5e6c99b3d 2012-07-14        kinaba: 		else {
a5e6c99b3d 2012-07-14        kinaba: 			write("A");
a5e6c99b3d 2012-07-14        kinaba: 			stdout.flush();
a5e6c99b3d 2012-07-14        kinaba: 		}
b6daa1efa1 2012-07-14        kinaba: 		exit(0);
b6daa1efa1 2012-07-14        kinaba: 	}
b6daa1efa1 2012-07-14        kinaba: 
a5e6c99b3d 2012-07-14        kinaba: 	Game g;
a5e6c99b3d 2012-07-14        kinaba: 	this(Game ini) { this.g = ini.clone(); ideal_log ~= g.score_if_abort_now; g_output = this; }
a5e6c99b3d 2012-07-14        kinaba: 
a5e6c99b3d 2012-07-14        kinaba: 	string log;
a5e6c99b3d 2012-07-14        kinaba: 	long[] score_log;
a5e6c99b3d 2012-07-14        kinaba: 	long[] ideal_log;
a5e6c99b3d 2012-07-14        kinaba: 
b6daa1efa1 2012-07-14        kinaba: 	override void command(char c)
b6daa1efa1 2012-07-14        kinaba: 	{
a5e6c99b3d 2012-07-14        kinaba: 		g.command(c);
a5e6c99b3d 2012-07-14        kinaba: 		log ~= c;
a5e6c99b3d 2012-07-14        kinaba: 		score_log ~= g.score;
a5e6c99b3d 2012-07-14        kinaba: 		ideal_log ~= g.score_if_abort_now;
a5e6c99b3d 2012-07-14        kinaba: 	}
a5e6c99b3d 2012-07-14        kinaba: 	override void flush()
a5e6c99b3d 2012-07-14        kinaba: 	{
a5e6c99b3d 2012-07-14        kinaba: 		Tuple!(long, int, int) cand;
a5e6c99b3d 2012-07-14        kinaba: 		cand[0] = long.min;
a5e6c99b3d 2012-07-14        kinaba: 		foreach(int i, long s; score_log)
a5e6c99b3d 2012-07-14        kinaba: 			if(cand[0] < s)
a5e6c99b3d 2012-07-14        kinaba: 				cand = tuple(s,i,0);
a5e6c99b3d 2012-07-14        kinaba: 		foreach(int i, long s; ideal_log)
a5e6c99b3d 2012-07-14        kinaba: 			if(cand[0] < s)
a5e6c99b3d 2012-07-14        kinaba: 				cand = tuple(s,i,1);
a5e6c99b3d 2012-07-14        kinaba: 		if(cand[2]==0)
a5e6c99b3d 2012-07-14        kinaba: 			writeln(log[0..cand[1]+1]);
a5e6c99b3d 2012-07-14        kinaba: 		else
a5e6c99b3d 2012-07-14        kinaba: 			writeln(log[0..cand[1]]~"A");
b6daa1efa1 2012-07-14        kinaba: 		stdout.flush();
b6daa1efa1 2012-07-14        kinaba: 	}
b6daa1efa1 2012-07-14        kinaba: }