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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit37333bf25ad9a4c538250f5af2f9f1d666362883 (patch)
treec45e8df5b9efbffe07eb3d9340df7811c7e16943 /kcron/ctcron.h
downloadtdeadmin-37333bf25ad9a4c538250f5af2f9f1d666362883.tar.gz
tdeadmin-37333bf25ad9a4c538250f5af2f9f1d666362883.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeadmin@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/***************************************************************************
+ * CT Cron Header *
+ * -------------------------------------------------------------------- *
+ * Copyright (C) 1999, Gary Meyer <gary@meyer.net> *
+ * -------------------------------------------------------------------- *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ ***************************************************************************/
+
+#ifndef CTCRON_H
+#define CTCRON_H
+
+// Do not introduce any Qt or KDE dependencies into the "CT"-prefixed classes.
+// I want to be able to reuse these classes with another GUI toolkit. -GM 11/99
+
+#include <vector>
+#include <string>
+#include <iostream>
+
+#include <qstring.h> // Anarchy! -WABA
+
+class CTException;
+class CTTask;
+class CTVariable;
+
+struct passwd;
+
+/**
+ * A user (encapsulation of a single crontab file). Encapsulates
+ * file i/o, parsing, tokenization, and natural language description.
+ */
+class CTCron
+{
+public:
+
+/**
+ * Constructs the scheduled tasks, environment variables from crontab
+ * files and obtains some information about the user from the system.
+ *
+ * Default is to construct from the user's crontab. Can also be called,
+ * passing TRUE, to construct from the system crontab. Throws an
+ * exception if the crontab file can not be found, read, or parsed.
+ */
+ CTCron(bool _syscron = false, std::string _login = "");
+/**
+ * If you already have a struct passwd, use it instead. This
+ * is never used for the system crontab.
+ */
+ CTCron(const struct passwd * _login = 0L);
+
+/**
+ * Copy one user's tasks and environement variables to another user.
+ */
+ void operator = (const CTCron& source);
+
+/**
+ * Parses crontab file format.
+ */
+ friend std::istream& operator >> (std::istream& inputStream, CTCron& cron);
+
+/**
+ * Tokenizes to crontab file format.
+ */
+ friend std::ostream& operator << (std::ostream& outputStream, const CTCron& cron);
+
+/**
+ * Apply changes.
+ */
+ void apply();
+
+/**
+ * Cancel changes.
+ */
+ void cancel();
+
+/**
+ * Indicates whether or not dirty.
+ */
+ bool dirty();
+
+/**
+ * Returns the PATH environment variable value. A short cut to iterating
+ * the tasks vector.
+ */
+ std::string path() const;
+
+ /**
+ * Returns whether an error has occured
+ */
+ bool isError() { return !error.isEmpty(); }
+
+ /**
+ * Return error description
+ */
+ QString errorMessage() { QString r = error; error = QString::null; return r; }
+
+
+/**
+ * Indicates whether or not the crontab belongs to the system.
+ */
+ const bool syscron;
+
+/**
+ * User login.
+ */
+ std::string login;
+
+/**
+ * User real name.
+ */
+ std::string name;
+
+/**
+ * User's scheduled tasks.
+ */
+ std::vector<CTTask *> task;
+
+/**
+ * User's environment variables. Note: These are only environment variables
+ * found in the user's crontab file and does not include any set in a
+ * login or shell script such as ".bash_profile".
+ */
+ std::vector<CTVariable *> variable;
+
+/**
+ * Destructor.
+ */
+ ~CTCron();
+
+private:
+
+/**
+ * Can't copy a user!
+ */
+ CTCron(const CTCron& source);
+
+ unsigned int initialTaskCount;
+ unsigned int initialVariableCount;
+ QString writeCommand;
+ QString tmpFileName;
+
+ QString error;
+
+protected:
+ // Initialize member variables from the struct passwd.
+ bool initFromPasswd(const struct passwd *);
+};
+
+typedef std::vector<CTTask*>::iterator CTTaskIterator;
+typedef std::vector<CTVariable*>::iterator CTVariableIterator;
+
+#endif // CTCRON_H