// $Id$
//
-// Copyright (C) 2007
-// Fraunhofer Institute for Open Communication Systems (FOKUS)
-// Competence Center NETwork research (NET), St. Augustin, GERMANY
+// Copyright (C) 2007
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
// Stefan Bund <g0dil@berlios.be>
//
// This program is free software; you can redistribute it and/or modify
here. The size of the interpreted is given by
<tt>senf::bytes(</tt><em>parser
instance</em><tt>)</tt>. */
+
+ data_iterator i(size_type offset) const; ///< Return iterator \a offset bytes from the start
+ /**< The return value is the same as i() + \a
+ offset. However, the parser checks, that the iterator is
+ still within range of the raw data
+ container. Otherwise a TruncatedPacketException is
+ thrown.
+
+ \throws TruncatedPacketException if the raw data
+ container does not hold at least \a offset bytes
+ starting at i(). */
+
state_type state() const; ///< Return state of this parser
/**< The value returned should be interpreted as an opaque
value provided just to be forwarded to other
parsers. */
+
PacketData & data() const; ///< Access the packets raw data container
/**< This member will return the raw data container holding
the data which is parsed by \c this parser. */
/**< This is the constructor used by most parsers. The
parameters are just forwarded from the derived classes
constructor parameters. */
+
PacketParserBase(data_iterator i, state_type s, size_type size);
///< Size checking constructor
/**< In addition to the standard constructor, this
bool check(size_type size) const; ///< Check size of data container
/**< \returns \c true, if the data container holds at least
\a size beginning at i(), \c false otherwise. */
+
void validate(size_type size) const; ///< Validate size of data container
/**< \throws TruncatedPacketException if the raw data
container does not hold at least \a size bytes
/**< Creates a new instance of \a Parser to parse data
beginning at \a i. Automatically passes \a state() to
the new parser. */
+
template <class Parser> Parser parse(size_type n) const; ///< Create sub-parser
/**< Creates a new instance of \a Parser to parse data
* beginning at i()<tt> + </tt>\a n. Automatically passes \a
parsers if needed. */
Packet packet() const; ///< Get packet this parser is parsing from
- /**< \important This member should only be used from packet
+ /**< \note This member should only be used from packet
parsers when access to previous or following packets is
needed e.g. for calculating checksums etc. */