New dependency system.

1 files changed, 70 insertions, 0 deletions

diff --git a/task.cc b/task.cc
index e69de29..d539b50 100644
--- a/task.cc
+++ b/task.cc
@@ -0,0 +1,70 @@
+#include "task.h"
+
+#include <unistd.h>
+#include <iostream>
+
+Task::Task(const std::vector<std::string>& depends)
+	: dependsStr(depends)
+{
+}
+
+void Task::registerDepTasks(const std::list<std::shared_ptr<Task>>& tasks)
+{
+	for(auto const& depStr : dependsStr)
+	{
+		for(const auto& task : tasks)
+		{
+			if(task->target() == depStr)
+			{
+				dependsTasks.push_back(task);
+			}
+		}
+	}
+}
+
+bool Task::dirty()
+{
+	for(const auto& task : dependsTasks)
+	{
+		if(task->dirty())
+		{
+			return true;
+		}
+	}
+
+	return dirtyInner();
+}
+
+bool Task::ready()
+{
+	for(const auto& task : dependsTasks)
+	{
+		if(task->dirty() && !task->done())
+		{
+			return false;
+		}
+	}
+
+	return true;
+}
+
+int Task::run()
+{
+	if(is_done.load())
+	{
+		return 0;
+	}
+
+	auto ret = runInner();
+	if(ret == 0)
+	{
+		is_done.store(true);
+	}
+
+	return ret;
+}
+
+bool Task::done() const
+{
+	return is_done.load();
+}