138 lines
4.3 KiB
C++
138 lines
4.3 KiB
C++
//
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// VMime library (http://www.vmime.org)
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// Copyright (C) 2002-2009 Vincent Richard <vincent@vincent-richard.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 3 of
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// the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// Linking this library statically or dynamically with other modules is making
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// a combined work based on this library. Thus, the terms and conditions of
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// the GNU General Public License cover the whole combination.
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//
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#ifndef VMIME_COMPONENT_HPP_INCLUDED
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#define VMIME_COMPONENT_HPP_INCLUDED
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#include "vmime/base.hpp"
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namespace vmime
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{
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/** This abstract class is the base class for all the components of a message.
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* It defines methods for parsing and generating a component.
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*/
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class component : public object
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{
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public:
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component();
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virtual ~component();
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/** Parse RFC-822/MIME data for this component.
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*
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* @param buffer input buffer
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*/
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void parse(const string& buffer);
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/** Parse RFC-822/MIME data for this component.
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*
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* @param buffer input buffer
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* @param position current position in the input buffer
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* @param end end position in the input buffer
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* @param newPosition will receive the new position in the input buffer
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*/
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virtual void parse(const string& buffer, const string::size_type position, const string::size_type end, string::size_type* newPosition = NULL) = 0;
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/** Generate RFC-2822/MIME data for this component.
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*
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* \deprecated Use the new generate() method, which takes an outputStream parameter.
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*
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* @param maxLineLength maximum line length for output
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* @param curLinePos length of the current line in the output buffer
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* @return generated data
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*/
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const string generate(const string::size_type maxLineLength = lineLengthLimits::infinite, const string::size_type curLinePos = 0) const;
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/** Generate RFC-2822/MIME data for this component.
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*
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* @param os output stream
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* @param maxLineLength maximum line length for output
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* @param curLinePos length of the current line in the output buffer
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* @param newLinePos will receive the new line position (length of the last line written)
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*/
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virtual void generate(utility::outputStream& os, const string::size_type maxLineLength = lineLengthLimits::infinite, const string::size_type curLinePos = 0, string::size_type* newLinePos = NULL) const = 0;
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/** Clone this component.
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*
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* @return a copy of this component
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*/
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virtual ref <component> clone() const = 0;
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/** Replace data in this component by data in other component.
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* Both components must be of the same type.
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*
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* @throw std::bad_cast_exception if the components are not
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* of the same (dynamic) type
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* @param other other component to copy data from
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*/
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virtual void copyFrom(const component& other) = 0;
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/** Return the start position of this component in the
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* parsed message contents.
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*
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* @return start position in parsed buffer
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* or 0 if this component has not been parsed
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*/
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string::size_type getParsedOffset() const;
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/** Return the length of this component in the
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* parsed message contents.
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*
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* @return length of the component in parsed buffer
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* or 0 if this component has not been parsed
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*/
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string::size_type getParsedLength() const;
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/** Return the list of children of this component.
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*
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* @return list of child components
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*/
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const std::vector <ref <component> > getChildComponents();
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/** Return the list of children of this component (const version).
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*
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* @return list of child components
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*/
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virtual const std::vector <ref <const component> > getChildComponents() const = 0;
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protected:
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void setParsedBounds(const string::size_type start, const string::size_type end);
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private:
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string::size_type m_parsedOffset;
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string::size_type m_parsedLength;
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};
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} // vmime
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#endif // VMIME_COMPONENT_HPP_INCLUDED
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