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/*
This file is part of libkabc.
Copyright (c) 2004 Szombathelyi Gyorgy <gyurco@freemail.hu>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _K_LDIF_H_
#define _K_LDIF_H_
#include <qstring.h>
#include <qcstring.h>
#include <qmemarray.h>
#include <kdelibs_export.h>
namespace KABC {
/**
* LDIF
* LDIF implements an RFC 2849 compliant LDIF parser. LDIF files are used to
* represent directory information on LDAP-based servers, or to describe a set
* of changes which are to be applied to a directory.
*/
class KABC_EXPORT LDIF
{
public:
enum ParseVal{ None, NewEntry, EndEntry, Item, Control, Err, MoreData };
enum EntryType{ Entry_None, Entry_Add, Entry_Del, Entry_Mod, Entry_Modrdn };
enum ModType{ Mod_None, Mod_Add, Mod_Replace, Mod_Del };
LDIF();
virtual ~LDIF();
/**
* Assembles fieldname and value into a valid LDIF line, BASE64 encodes the
* value if neccessary and optionally splits into more lines.
* @param fieldname The name of the entry.
* @param value The value of the entry.
* @param linelen Maximum length of the lines in the result.
* @param url If true, encode value as url ( use :< ).
*/
static QCString assembleLine( const QString &fieldname,
const QByteArray &value, uint linelen=0, bool url=false );
/**
* This is the same as the above function, the only difference that
* this accepts QCString as the value.
*/
static QCString assembleLine( const QString &fieldname,
const QCString &value, uint linelen=0, bool url=false );
/**
* This is the same as the above function, the only difference that
* this accepts QString as the value.
*/
static QCString assembleLine( const QString &fieldname,
const QString &value, uint linelen=0, bool url=false );
/**
* Splits one line from an LDIF file to attribute and value components.
* @returns true if value is an URL, false otherwise
*/
static bool splitLine( const QCString &line, QString &fieldname, QByteArray &value );
/**
* Splits a control specification (without the "control:" directive)
* @param line is the control directive
* @param oid will contain the OID
* @param critical will contain the criticality of control
* @param value is the control value
*/
static bool splitControl( const QCString &line, QString &oid, bool &critical,
QByteArray &value );
/**
* Starts the parsing of a new LDIF
*/
void startParsing();
/**
* Process one LDIF line
*/
ParseVal processLine();
/**
* Process the LDIF until a complete item can be returned
* @returns NewEntry if a new DN encountered,
* Item if a new item returned,
* Err if the LDIF contains error,
* EndEntry if the parser reached the end of the current entry
* and MoreData if the parser encountered the end of the current chunk of
* the LDIF. If you want to finish the parsing after receiving
* MoreData, then call endLDIF(), so the parser can safely flush
* the current entry.
*/
ParseVal nextItem();
/**
* Sets a chunk of LDIF. Call before startParsing(), or if nextItem() returned
* MoreData.
*/
void setLDIF( const QByteArray &ldif ) { mLdif = ldif; mPos = 0; }
/**
* Indicates the end of the LDIF file/stream. Call if nextItem() returned
* MoreData, but actually you don't have more data.
*/
void endLDIF();
/**
* Returns the requested LDAP operation extracted from the current entry.
*/
EntryType entryType() const { return mEntryType; }
/**
* Returns the LDAP modify request type if entryType() returned Entry_Mod.
*/
int modType() const { return mModType; }
/**
* Returns the Distinguished Name of the current entry.
*/
const QString& dn() const { return mDn; }
/**
* Returns the new Relative Distinguished Name if modType() returned Entry_Modrdn.
*/
const QString& newRdn() const { return mNewRdn; }
/**
* Returns the new parent of the entry if modType() returned Entry_Modrdn.
*/
const QString& newSuperior() const { return mNewSuperior; }
/**
* Returns if the delete of the old RDN is required.
*/
bool delOldRdn() const { return mDelOldRdn; }
/**
* Returns the attribute name.
*/
const QString& attr() const { return mAttr; }
/**
* Returns the attribute value.
*/
const QByteArray& val() const { return mVal; }
/**
* Returns if val() is an url
*/
bool isUrl() const { return mUrl; }
/**
* Returns the criticality level when modType() returned Control.
*/
bool critical() const { return mCritical; }
/**
* Returns the OID when modType() returned Control.
*/
const QString& oid() const { return mOid; }
/**
* Returns the line number which the parser processes.
*/
uint lineNo() const { return mLineNo; }
private:
int mModType;
bool mDelOldRdn, mUrl;
QString mDn,mAttr,mNewRdn,mNewSuperior, mOid;
QByteArray mLdif, mVal;
EntryType mEntryType;
bool mIsNewLine, mIsComment,mCritical;
ParseVal mLastParseVal;
uint mPos,mLineNo;
QCString line;
class LDIFPrivate;
LDIFPrivate *d;
};
}
#endif
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