1 files changed, 148 insertions, 0 deletions
diff --git a/kioslave/sftp/process.h b/kioslave/sftp/process.h
new file mode 100644
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+++ b/kioslave/sftp/process.h
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+/* vi: ts=8 sts=4 sw=4
+ *
+ *
+ * This file is part of the KDE project, module kdesu.
+ * Copyright (C) 1999,2000 Geert Jansen <jansen@kde.org>
+ * 
+ * This is free software; you can use this library under the GNU Library 
+ * General Public License, version 2. See the file "COPYING.LIB" for the 
+ * exact licensing terms.
+ */
+
+#ifndef __Process_h_Included__
+#define __Process_h_Included__
+
+#include <qcstring.h>
+#include <qstring.h>
+#include <qstringlist.h>
+#include <qvaluelist.h>
+
+#define PTYPROC 7120
+
+class PTY;
+typedef QValueList<QCString> QCStringList;
+
+/**
+ * Synchronous communication with tty programs.
+ *
+ * PtyProcess provides synchronous communication with tty based programs. 
+ * The communications channel used is a pseudo tty (as opposed to a pipe) 
+ * This means that programs which require a terminal will work.
+ */
+
+class MyPtyProcess
+{
+public:
+    MyPtyProcess();
+    virtual ~MyPtyProcess();
+
+    /**
+     * Fork off and execute a command. The command's standard in and output 
+     * are connected to the pseudo tty. They are accessible with @ref #readLine 
+     * and @ref #writeLine.
+     * @param command The command to execute.
+     * @param args The arguments to the command.
+     */
+    int exec(QCString command, QCStringList args);
+
+    /**
+     * Read a line from the program's standard out. Depending on the @em block 
+     * parameter, this call blocks until a single, full line is read. 
+     * @param block Block until a full line is read?
+     * @return The output string.
+     */
+    QCString readLine(bool block = true)
+        { return readLineFrom(m_Fd, m_ptyBuf, block); }
+
+    QCString readLineFromPty(bool block = true)
+        { return readLineFrom(m_Fd, m_ptyBuf, block); }
+
+    QCString readLineFromStdout(bool block = true)
+        { return readLineFrom(m_stdinout, m_stdoutBuf, block); }
+
+    QCString readLineFromStderr(bool block = true)
+        { return readLineFrom(m_err, m_stderrBuf, block); }
+
+    /**
+     * Write a line of text to the program's standard in.
+     * @param line The text to write.
+     * @param addNewline Adds a '\n' to the line.
+     */
+    void writeLine(QCString line, bool addNewline=true);
+
+    /**
+     * Put back a line of input.
+     * @param line The line to put back.
+     * @param addNewline Adds a '\n' to the line.
+     */
+
+    void unreadLine(QCString line, bool addNewline = true)
+        { unreadLineFrom(m_ptyBuf, line, addNewline); }
+
+    void unreadLineFromPty(QCString line, bool addNewline = true)
+        { unreadLineFrom(m_ptyBuf, line, addNewline); }
+
+    void unreadLineFromStderr(QCString line, bool addNewline = true)
+        { unreadLineFrom(m_stderrBuf, line, addNewline); }
+
+    void unreadLineFromStdout(QCString line, bool addNewline = true)
+        { unreadLineFrom(m_stdoutBuf, line, addNewline); }
+
+    /**
+     * Set exit string. If a line of program output matches this,
+     * @ref #waitForChild() will terminate the program and return.
+     */
+    void setExitString(QCString exit) { m_Exit = exit; }
+
+    /**
+     * Wait for the child to exit. See also @ref #setExitString.
+     */
+    int waitForChild();
+
+    /**
+     * Wait until the pty has cleared the ECHO flag. This is useful 
+     * when programs write a password prompt before they disable ECHO.
+     * Disabling it might flush any input that was written.
+     */
+    int WaitSlave();
+
+    /** Enables/disables local echo on the pseudo tty. */
+    int enableLocalEcho(bool enable=true);
+
+    /** Enable/disable terminal output. Relevant only to some subclasses. */
+    void setTerminal(bool terminal) { m_bTerminal = terminal; }
+
+    /** Overwritte the password as soon as it is used. Relevant only to
+     * some subclasses. */
+    void setErase(bool erase) { m_bErase = erase; }
+
+    /** Return the filedescriptor of the process. */
+    int fd() {return m_Fd;}
+
+    /** Return the pid of the process. */
+    int pid() {return m_Pid;}
+
+    int stdioFd() {return m_stdinout;}
+
+    int stderrFd() {return m_err;}
+
+protected:
+    bool m_bErase, m_bTerminal;
+    int m_Pid, m_Fd, m_stdinout, m_err;
+    QCString m_Command, m_Exit;
+
+private:
+    int init();
+    int SetupTTY(int fd);
+
+    PTY *m_pPTY;
+    QCString m_TTY;
+    QCString m_ptyBuf, m_stderrBuf, m_stdoutBuf;
+
+    QCString readLineFrom(int fd, QCString& inbuf, bool block);
+    void unreadLineFrom(QCString inbuf, QCString line, bool addnl);
+    class PtyProcessPrivate;
+    PtyProcessPrivate *d;
+};
+
+#endif