------------------------------------------------------------------------------ -- -- -- Matreshka Project -- -- -- -- XML Processor -- -- -- -- Runtime Library Component -- -- -- ------------------------------------------------------------------------------ -- -- -- Copyright © 2010-2014, Vadim Godunko -- -- All rights reserved. -- -- -- -- Redistribution and use in source and binary forms, with or without -- -- modification, are permitted provided that the following conditions -- -- are met: -- -- -- -- * Redistributions of source code must retain the above copyright -- -- notice, this list of conditions and the following disclaimer. -- -- -- -- * Redistributions in binary form must reproduce the above copyright -- -- notice, this list of conditions and the following disclaimer in the -- -- documentation and/or other materials provided with the distribution. -- -- -- -- * Neither the name of the Vadim Godunko, IE nor the names of its -- -- contributors may be used to endorse or promote products derived from -- -- this software without specific prior written permission. -- -- -- -- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -- -- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -- -- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -- -- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -- -- HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -- -- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED -- -- TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -- -- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -- -- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -- -- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -- -- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -- -- -- ------------------------------------------------------------------------------ -- $Revision: 4789 $ $Date: 2014-03-31 10:02:27 +0400 (Пн, 31 мар 2014) $ ------------------------------------------------------------------------------ private with Ada.Containers.Hashed_Maps; private with Ada.Containers.Ordered_Maps; private with Ada.Containers.Vectors; with League.Characters; with League.Strings.Hash; with XML.SAX.Attributes; with XML.SAX.Output_Destinations; with XML.SAX.Writers; package XML.SAX.Pretty_Writers is type SAX_Output_Destination_Access is access all XML.SAX.Output_Destinations.SAX_Output_Destination'Class; type XML_Version is (XML_1_0, XML_1_1); type XML_Pretty_Writer is limited new XML.SAX.Writers.SAX_Writer with private; not overriding procedure Set_Version (Self : in out XML_Pretty_Writer; Version : XML_Version); not overriding procedure Set_Offset (Self : in out XML_Pretty_Writer; Offset : Natural); -- Sets offset for indentation. not overriding procedure Set_Value_Delimiter (Self : in out XML_Pretty_Writer; Delimiter : League.Characters.Universal_Character); -- Sets value delimiter for attributes. -- '"' (apostrophe) is used by default procedure Set_Output_Destination (Self : in out XML_Pretty_Writer'Class; Output : not null SAX_Output_Destination_Access); -- Sets output destination to be used to output generated stream. overriding procedure Characters (Self : in out XML_Pretty_Writer; Text : League.Strings.Universal_String; Success : in out Boolean); overriding procedure Comment (Self : in out XML_Pretty_Writer; Text : League.Strings.Universal_String; Success : in out Boolean); overriding procedure End_CDATA (Self : in out XML_Pretty_Writer; Success : in out Boolean); overriding procedure End_Document (Self : in out XML_Pretty_Writer; Success : in out Boolean); overriding procedure End_DTD (Self : in out XML_Pretty_Writer; Success : in out Boolean); overriding procedure End_Element (Self : in out XML_Pretty_Writer; Namespace_URI : League.Strings.Universal_String; Local_Name : League.Strings.Universal_String; Qualified_Name : League.Strings.Universal_String; Success : in out Boolean); overriding procedure End_Entity (Self : in out XML_Pretty_Writer; Name : League.Strings.Universal_String; Success : in out Boolean); overriding procedure End_Prefix_Mapping (Self : in out XML_Pretty_Writer; Prefix : League.Strings.Universal_String := League.Strings.Empty_Universal_String; Success : in out Boolean); overriding function Error_String (Self : XML_Pretty_Writer) return League.Strings.Universal_String; overriding procedure Ignorable_Whitespace (Self : in out XML_Pretty_Writer; Text : League.Strings.Universal_String; Success : in out Boolean); overriding procedure Processing_Instruction (Self : in out XML_Pretty_Writer; Target : League.Strings.Universal_String; Data : League.Strings.Universal_String; Success : in out Boolean); overriding procedure Skipped_Entity (Self : in out XML_Pretty_Writer; Name : League.Strings.Universal_String; Success : in out Boolean); overriding procedure Start_CDATA (Self : in out XML_Pretty_Writer; Success : in out Boolean); overriding procedure Start_Document (Self : in out XML_Pretty_Writer; Success : in out Boolean); overriding procedure Start_DTD (Self : in out XML_Pretty_Writer; Name : League.Strings.Universal_String; Public_Id : League.Strings.Universal_String; System_Id : League.Strings.Universal_String; Success : in out Boolean); overriding procedure Start_Element (Self : in out XML_Pretty_Writer; Namespace_URI : League.Strings.Universal_String; Local_Name : League.Strings.Universal_String; Qualified_Name : League.Strings.Universal_String; Attributes : XML.SAX.Attributes.SAX_Attributes; Success : in out Boolean); overriding procedure Start_Entity (Self : in out XML_Pretty_Writer; Name : League.Strings.Universal_String; Success : in out Boolean); overriding procedure Start_Prefix_Mapping (Self : in out XML_Pretty_Writer; Prefix : League.Strings.Universal_String := League.Strings.Empty_Universal_String; Namespace_URI : League.Strings.Universal_String; Success : in out Boolean); private package Mappings is new Ada.Containers.Hashed_Maps (League.Strings.Universal_String, League.Strings.Universal_String, League.Strings.Hash, League.Strings."=", League.Strings."="); package Banks is new Ada.Containers.Ordered_Maps (League.Strings.Universal_String, League.Strings.Universal_String, League.Strings."<", League.Strings."="); type Element_Record is record Namespace_URI : League.Strings.Universal_String; Local_Name : League.Strings.Universal_String; Qualified_Name : League.Strings.Universal_String; Mapping : Mappings.Map; end record; package Element_Vector is new Ada.Containers.Vectors (Natural, Element_Record); procedure Merge (Current : in out Mappings.Map; Bank : Banks.Map); -- Merges namespaces declared for current element into the set of all -- namespaces. type XML_Pretty_Writer is limited new XML.SAX.Writers.SAX_Writer with record Nesting : Natural := 0; Version : XML_Version := XML_1_0; Tag_Opened : Boolean := False; DTD_Opened : Boolean := False; Error : League.Strings.Universal_String; Destination : SAX_Output_Destination_Access; Indent : Natural := 0; Offset : Natural := 0; Chars : Boolean := False; -- Indent, offset and chars are used for automatic indentation. Stack : Element_Vector.Vector; -- Stack of elements. Requested_NS : Banks.Map; -- Set of namespace mappings requested for the next element. Current : Element_Record; -- Current processing element including effective namespace mapping. Delimiter : League.Characters.Universal_Character := League.Characters.To_Universal_Character ('''); -- Delimiter for atribute='value'. end record; function Escape (Self : XML_Pretty_Writer; Text : League.Strings.Universal_String; Escape_All : Boolean := False) return League.Strings.Universal_String; -- Replaces special characters by their entity references. end XML.SAX.Pretty_Writers;