Add Folder class to libmu_cpp. Provide new examples lsf.cc and msg-send.cc.

* examples/cpp/lsf.cc, examples/cpp/msg-send.cc,
include/mailutils/cpp/folder.h, libmu_cpp/folder.cc: New files.

@@ -22,8 +22,10 @@ CXX_EXAMPLES = \
  http\
  iconv\
  listop\
+ lsf\
  mailcap\
  mimetest\
+ msg-send\
  murun\
  sfrom\
  url-parse
@@ -43,8 +45,10 @@ addr_SOURCES = addr.cc
 http_SOURCES = http.cc
 iconv_SOURCES = iconv.cc
 listop_SOURCES = listop.cc
+lsf_SOURCES = lsf.cc
 mailcap_SOURCES = mailcap.cc
 mimetest_SOURCES = mimetest.cc
+msg_send_SOURCES = msg-send.cc
 murun_SOURCES = murun.cc
 sfrom_SOURCES = sfrom.cc
 url_parse_SOURCES = url-parse.cc
@@ -59,5 +63,6 @@ LDADD =\
  ${MU_LIB_MH}\
  ${MU_LIB_MAILDIR}\
  ${MU_LIB_AUTH}\
+ ${MU_LIB_MAILER}\
  @MU_AUTHLIBS@\
  ${MU_LIB_MAILUTILS}

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 2009 Free Software Foundation, Inc.
+
+   GNU Mailutils 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 3, or (at your option)
+   any later version.
+
+   GNU Mailutils is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GNU Mailutils; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301 USA */
+
+#include <iostream>
+#include <mailutils/cpp/mailutils.h>
+
+using namespace std;
+using namespace mailutils;
+
+static int
+enumfun (mu_folder_t folder, struct mu_list_response *resp, void *data)
+{
+  printf ("%c%c %c %4d %s\n",
+	  (resp->type & MU_FOLDER_ATTRIBUTE_DIRECTORY) ? 'd' : '-',
+	  (resp->type & MU_FOLDER_ATTRIBUTE_FILE) ? 'f' : '-',
+	  resp->separator,
+	  resp->level,
+	  resp->name);
+  return 0;
+}
+
+int
+ls_folders (const string& fname, const string& ref, void* pattern, int level)
+{
+  try {
+    Folder folder (fname);
+    folder.open ();
+
+    List list = folder.enumerate (ref, pattern, 0, level, enumfun, NULL);
+    cout << "Number of folders: " << list.count () << endl;
+
+    folder.close ();
+  }
+  catch (Exception& e)
+  {
+    if (e.status () == MU_ERR_NOENT) {
+      cout << "No folders matching " << ref << " " << pattern
+	   << " in " << fname << endl;
+    }
+    else {
+      cerr << e.method () << ": " << e.what () << endl;
+      return 1;
+    }
+  }
+  return 0;
+}
+
+int
+main (int argc, char *argv[])
+{
+  string folder;
+  string ref;
+  char *pattern = "*";
+  int level = 0;
+
+  switch (argc)
+    {
+    case 5:
+      level = atoi (argv[4]);
+    case 4:
+      pattern = argv[3];
+    case 3:
+      ref = argv[2];
+    case 2:
+      folder = argv[1];
+      break;
+    default:
+      error ("usage: lsf folder [ref] [pattern] [recursion-level]\n");
+      return 1;
+    }
+
+  register_all_mbox_formats ();
+
+  return ls_folders (folder, ref, pattern, level);
+}
+

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 2009 Free Software Foundation, Inc.
+
+   GNU Mailutils 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 3, or (at your option)
+   any later version.
+
+   GNU Mailutils is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GNU Mailutils; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301 USA */
+
+#include <iostream>
+#include <mailutils/cpp/mailutils.h>
+
+using namespace std;
+using namespace mailutils;
+
+const char USAGE[] =
+"usage: mailer [-hd] [-m mailer] [-f from] [to]..."
+ ;
+const char HELP[] =
+"  -h    print this helpful message\n"
+"  -m    a mailer URL (default is \"sendmail:\")\n"
+"  -f    the envelope from address (default is from user environment)\n"
+"  to    a list of envelope to addresses (default is from message)\n"
+"\n"
+"An RFC2822 formatted message is read from stdin and delivered using\n"
+"the mailer.\n"
+ ;
+
+int
+main (int argc, char *argv[])
+{
+  int opt;
+  int optdebug = 0;
+  char *optmailer = "sendmail:";
+  char *optfrom = 0;
+
+  while ((opt = getopt (argc, argv, "hdm:f:")) != -1)
+    {
+      switch (opt)
+        {
+        case 'h':
+          cout << USAGE << endl << HELP;
+          return 0;
+          
+        case 'd':
+          optdebug++;
+          break;
+          
+        case 'm':
+          optmailer = optarg;
+          break;
+          
+        case 'f':
+          optfrom = optarg;
+          break;
+
+        default:
+	  cerr << USAGE << endl;
+          exit (1);
+        }
+    }
+
+  /* Register mailers. */
+  register_all_mailer_formats ();
+
+  Address from;
+  Address to;
+
+  if (optfrom)
+    {
+      from = Address (optfrom);
+    }
+
+  if (argv[optind])
+    {
+      char **av = argv + optind;
+      to = Address ((const char **) av, -1);
+    }
+
+  try {
+    StdioStream in (stdin, MU_STREAM_SEEKABLE);
+    in.open ();
+
+    Message msg;
+    msg.set_stream (in);
+
+    Mailer mailer (optmailer);
+    if (optdebug)
+      {
+	Debug debug = mailer.get_debug ();
+	debug.set_level (MU_DEBUG_LEVEL_UPTO (MU_DEBUG_PROT));
+      }
+    mailer.open ();
+    mailer.send_message (msg, from, to);
+    mailer.close ();
+  }
+  catch (Exception& e) {
+    cerr << e.method () << ": " << e.what () << endl;
+    exit (1);
+  }
+
+  return 0;
+}
+

@@ -23,6 +23,7 @@ MU_CXX_INCLUDES = \
  debug.h\
  error.h\
  filter.h\
+ folder.h\
  header.h\
  iterator.h\
  list.h\

@@ -38,10 +38,14 @@ class Address
   friend class Mailer;
 
  public:
+  Address ();
   Address (const std::string&);
+  Address (const char *sv[], size_t len);
   Address (const mu_address_t);
   ~Address ();
 
+  Address& operator = (const Address&);
+
   size_t get_count ();
   bool is_group (size_t n);
 

@@ -23,6 +23,7 @@
 
 #include <string>
 #include <mailutils/errno.h>
+#include <mailutils/error.h>
 
 namespace mailutils
 {
@@ -64,6 +65,22 @@ class Exception
   }
 };
 
+inline int
+verror (const char* fmt, va_list ap)
+{
+  return mu_verror (fmt, ap);
+}
+
+inline int
+error (const char* fmt, ...)
+{
+  va_list ap;
+  va_start (ap, fmt);
+  mu_verror (fmt, ap);
+  va_end (ap);
+  return 0;
+}
+
 }
 
 #endif /* not _MUCPP_ERROR_H */

+/*
+   GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 2009 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA
+*/
+
+#ifndef _MUCPP_FOLDER_H
+#define _MUCPP_FOLDER_H
+
+#include <mailutils/folder.h>
+#include <mailutils/cpp/list.h>
+#include <mailutils/cpp/stream.h>
+
+namespace mailutils
+{
+
+class Folder
+{
+ protected:
+  mu_folder_t folder;
+
+ public:
+  Folder (const std::string& name);
+  Folder (const mu_folder_t);
+  Folder& operator = (const Folder&);
+  ~Folder ();
+
+  void open ();
+  void open (int flag);
+  void close ();
+
+  List& list (const std::string& dirname, void* pattern, size_t max_level);
+  List& enumerate (const std::string& name, void* pattern,
+		   int flags, size_t max_level,
+		   mu_folder_enumerate_fp enumfun, void* enumdata);
+
+  Stream& get_stream ();
+  void set_stream (const Stream& stream);
+};
+
+}
+
+#endif // not _MUCPP_FOLDER_H
+

@@ -23,6 +23,7 @@
 
 #include <string>
 #include <mailutils/mailer.h>
+#include <mailutils/cpp/debug.h>
 #include <mailutils/cpp/message.h>
 #include <mailutils/cpp/address.h>
 
@@ -39,10 +40,13 @@ class Mailer
   Mailer (const mu_mailer_t);
   ~Mailer ();
 
+  void open ();
   void open (int flags);
   void close ();
   void send_message (const Message& msg, const Address& from,
 		     const Address& to);
+
+  Debug& get_debug ();
 };
 
 }

@@ -23,6 +23,7 @@
 #include <mailutils/cpp/body.h>
 #include <mailutils/cpp/error.h>
 #include <mailutils/cpp/filter.h>
+#include <mailutils/cpp/folder.h>
 #include <mailutils/cpp/header.h>
 #include <mailutils/cpp/iterator.h>
 #include <mailutils/cpp/list.h>

@@ -47,6 +47,7 @@ class Message
   Header& get_header ();
   Body& get_body ();
   Stream& get_stream ();
+  void set_stream (const Stream& stream);
 
   bool is_multipart ();
   size_t size ();

@@ -68,7 +68,8 @@ unregistrar_record (const mu_record_t record)
 }
 
 
-inline void register_all_mbox_formats ()
+inline void
+register_all_mbox_formats ()
 {
   mu_register_all_mbox_formats ();
 }

@@ -49,7 +49,9 @@ class Stream
   // Friends
   friend class FilterStream;
   friend class FilterProgStream;
+  friend class Folder;
   friend class Mailcap;
+  friend class Message;
   friend class Pop3;
 
  public:

@@ -29,6 +29,7 @@ libmu_cpp_la_SOURCES = \
  body.cc\
  debug.cc\
  filter.cc\
+ folder.cc\
  header.cc\
  iterator.cc\
  list.cc\

@@ -28,6 +28,11 @@ using namespace mailutils;
 // Address
 //
 
+Address :: Address ()
+{
+  addr = NULL;
+}
+
 Address :: Address (const std::string& str)
 {
   int status = mu_address_create (&addr, str.c_str ());
@@ -35,6 +40,13 @@ Address :: Address (const std::string& str)
     throw Exception ("Address::Address", status);
 }
 
+Address :: Address (const char *sv[], size_t len)
+{
+  int status = mu_address_createv (&addr, sv, len);
+  if (status)
+    throw Exception ("Address::Address", status);
+}
+
 Address :: Address (const mu_address_t addr)
 {
   if (addr == 0)
@@ -45,9 +57,22 @@ Address :: Address (const mu_address_t addr)
 
 Address :: ~Address ()
 {
+  if (addr)
     mu_address_destroy (&addr);
 }
 
+Address&
+Address :: operator = (const Address& a)
+{
+  if (this != &a)
+    {
+      if (this->addr)
+	mu_address_destroy (&this->addr);
+      this->addr = mu_address_dup (a.addr);
+    }
+  return *this;
+}
+
 bool
 Address :: is_group (size_t n)
 {

+/*
+   GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 2009 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA
+*/
+
+#include <mailutils/cpp/folder.h>
+#include <mailutils/cpp/error.h>
+#include <errno.h>
+
+using namespace mailutils;
+
+//
+// Folder
+//
+
+Folder :: Folder (const std::string& name)
+{
+  int status = mu_folder_create (&folder, name.c_str ());
+  if (status)
+    throw Exception ("Folder::Folder", status);
+}
+
+Folder :: Folder (const mu_folder_t folder)
+{
+  if (folder == 0)
+    throw Exception ("Folder::Folder", EINVAL);
+
+  this->folder = folder;
+}
+
+Folder&
+Folder :: operator = (const Folder& f)
+{
+  if (this != &f)
+    {
+      if (this->folder)
+	mu_folder_destroy (&this->folder);
+      this->folder = f.folder;
+    }
+  return *this;
+}
+
+Folder :: ~Folder ()
+{
+  mu_folder_destroy (&folder);
+}
+
+
+void
+Folder :: open ()
+{
+  int status = mu_folder_open (folder, MU_STREAM_READ);
+  if (status)
+    throw Exception ("Folder::open", status);
+}
+
+void
+Folder :: open (int flag)
+{
+  int status = mu_folder_open (folder, flag);
+  if (status)
+    throw Exception ("Folder::open", status);
+}
+
+void
+Folder :: close ()
+{
+  int status = mu_folder_close (folder);
+  if (status)
+    throw Exception ("Folder::close", status);
+}
+
+List&
+Folder :: list (const std::string& dirname, void* pattern, size_t max_level)
+{
+  mu_list_t c_list;
+
+  int status = mu_folder_list (folder, dirname.c_str (), pattern,
+			       max_level, &c_list);
+  if (status)
+    throw Exception ("Folder::list", status);
+
+  return *new List (c_list);
+}
+
+List&
+Folder :: enumerate (const std::string& name, void* pattern,
+		     int flags, size_t max_level,
+		     mu_folder_enumerate_fp enumfun, void* enumdata)
+{
+  mu_list_t c_list;
+
+  int status = mu_folder_enumerate (folder, name.c_str (), pattern,
+				    flags, max_level, &c_list,
+				    enumfun, enumdata);
+  if (status)
+    throw Exception ("Folder::enumerate", status);
+
+  return *new List (c_list);
+}
+
+Stream&
+Folder :: get_stream ()
+{
+  mu_stream_t c_stream;
+
+  int status = mu_folder_get_stream (folder, &c_stream);
+  if (status)
+    throw Exception ("Folder::get_stream", status);
+
+  return *new Stream (c_stream);
+}
+
+void
+Folder :: set_stream (const Stream& stream)
+{
+  int status = mu_folder_set_stream (folder, stream.stm);
+  if (status)
+    throw Exception ("Folder::set_stream", status);
+}
+

@@ -48,6 +48,14 @@ Mailer :: ~Mailer ()
 }
 
 void
+Mailer :: open ()
+{
+  int status = mu_mailer_open (mailer, 0);
+  if (status)
+    throw Exception ("Mailer::open", status);
+}
+
+void
 Mailer :: open (int flags)
 {
   int status = mu_mailer_open (mailer, flags);
@@ -73,3 +81,15 @@ Mailer :: send_message (const Message& msg, const Address& from,
     throw Exception ("Mailer::send_message", status);
 }
 
+Debug&
+Mailer :: get_debug ()
+{
+  mu_debug_t c_dbg;
+
+  int status = mu_mailer_get_debug (mailer, &c_dbg);
+  if (status)
+    throw Exception ("Mailer::get_debug", status);
+
+  return *new Debug (c_dbg);
+}
+

@@ -108,6 +108,15 @@ Message :: get_stream ()
   return *new Stream (c_stream);
 }
 
+void
+Message :: set_stream (const Stream& stream)
+{
+  int status = mu_message_set_stream (msg, stream.stm, this);
+  if (status)
+    throw Exception ("Message::set_stream", status);
+}
+
+
 bool
 Message :: is_multipart ()
 {