------------------------------------------------------------------------------
--                              Ada Web Server                              --
--                                                                          --
--                     Copyright (C) 2000-2012, AdaCore                     --
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--  This library is free software;  you can redistribute it and/or modify   --
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--  You should have received a copy of the GNU General Public License and   --
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--  <http://www.gnu.org/licenses/>.                                         --
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--  As a special exception, if other files instantiate generics from this   --
--  unit, or you link this unit with other files to produce an executable,  --
--  this  unit  does not  by itself cause  the resulting executable to be   --
--  covered by the GNU General Public License. This exception does not      --
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------------------------------------------------------------------------------

with AWS.Containers.Memory_Streams;

package AWS.Parameters.Set is

   procedure Add
     (Parameter_List : in out List;
      Name, Value    : String;
      Decode         : Boolean := True);
   --  Add a new Key/Value pair into the parameter set.
   --  If Decode is true, decodes Name and Value. This is used when handling
   --  multipart/form-data for example.
   --  A new value is always added, so if there is already a parameter with
   --  that name, Get will still return the old value.

   procedure Add (Parameter_List : in out List; Parameters : String);
   --  Set parameters for the current request. The Parameters string has the
   --  form "name1=value1&name2=value2...". The paramaters are added to the
   --  list. The parameters can start with a '?' (standard Web character
   --  separator) which is just ignored.

   procedure Add
     (Parameter_List : in out List;
      Parameters     : in out AWS.Containers.Memory_Streams.Stream_Type);
   --  Same as above, but use different parameters source. Used to reduce
   --  stack usage on big POST requests. This is the routine used by AWS for
   --  parsing the POST parameters. This routine also control the maximum
   --  number of parameter parsed as set by the corresponding configuration
   --  option.

   procedure Update
     (Parameter_List : in out List;
      Name, Value    : String;
      Decode         : Boolean := True);
   --  Same as Add, but replace an existing parameter if there is one

   procedure Case_Sensitive (Parameter_List : in out List; Mode : Boolean);
   --  If Mode is True it will use all parameters with case sensitivity

   procedure Reset (Parameter_List : in out List);
   --  Removes all object from the Set. Set will be reinitialized and will be
   --  ready for new use.

   Too_Long_Parameter : exception;
   --  Raised if the Add routine detects a too long parameter line when reading
   --  parameters from Memory_Stream.

   Too_Many_Parameters : exception;
   --  Raised when the maximum number of parameters has been reached

end AWS.Parameters.Set;
