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/*
* kmail: KDE mail client
* This file: Copyright (C) 2006 Dmitry Morozhnikov <dmiceman@mail.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef __KMAIL_TEMPLATEPARSER_H__
#define __KMAIL_TEMPLATEPARSER_H__
#include <tqobject.h>
class KMMessage;
class TQString;
class KMFolder;
class TQObject;
class TDEProcess;
/**
* The TemplateParser transforms a message with a given template.
*
* A template contains text and commands, such as %QUOTE or %ODATE, which will be
* replaced with the real values in process().
*
* The message given in the constructor is the message that is being transformed.
* The message text will be replaced by the processed text of the template, but other
* properties, such as the attachments or the subject, are preserved.
*
* There are two different kind of commands: Those that work on the message that is
* to be transformed and those that work on an 'original message'.
* Those that work on the message that is to be transformed have no special prefix, e.g.
* '%DATE'. Those that work on the original message have an 'O' prefix, for example
* '%ODATE'.
* This means that the %DATE command will take the date of the message passed in the
* constructor, the message which is to be transformed, whereas the %ODATE command will
* take the date of the message that is being passed in process(), the original message.
*
* TODO: What is the usecase of the commands that work on the message to be transformed?
* In general you only use the commands that work on the original message...
*/
class TemplateParser : public TQObject
{
Q_OBJECT
public:
enum Mode {
NewMessage,
Reply,
ReplyAll,
Forward
};
static const int PipeTimeout = 15;
public:
TemplateParser( KMMessage *amsg, const Mode amode );
~TemplateParser();
/**
* Sets the selection. If this is set, only the selection will be added to commands such
* as %QUOTE. Otherwise, the whole message is quoted.
* If this is not called at all, the whole message is quoted as well.
* Call this before calling process().
*/
void setSelection( const TQString &selection );
/**
* Sets whether the template parser is allowed to decrypt the original message when needing
* its message text, for example for the %QUOTE command.
* If true, it will tell the ObjectTreeParser it uses internally to decrypt the message,
* and that will possibly show a password request dialog to the user.
*
* The default is false.
*/
void setAllowDecryption( const bool allowDecryption );
virtual void process( KMMessage *aorig_msg, KMFolder *afolder = 0, bool append = false );
virtual void process( const TQString &tmplName, KMMessage *aorig_msg,
KMFolder *afolder = 0, bool append = false );
virtual void processWithTemplate( const TQString &tmpl );
/// This finds the template to use. Either the one from the folder, identity or
/// finally the global template.
/// This also reads the To and CC address of the template
/// @return the contents of the template
virtual TQString findTemplate();
/// Finds the template with the given name.
/// This also reads the To and CC address of the template
/// @return the contents of the template
virtual TQString findCustomTemplate( const TQString &tmpl );
virtual TQString pipe( const TQString &cmd, const TQString &buf );
virtual TQString getFName( const TQString &str );
virtual TQString getLName( const TQString &str );
protected:
Mode mMode;
KMFolder *mFolder;
uint mIdentity;
KMMessage *mMsg;
KMMessage *mOrigMsg;
TQString mSelection;
bool mAllowDecryption;
int mPipeRc;
TQString mPipeOut;
TQString mPipeErr;
bool mDebug;
TQString mQuoteString;
bool mAppend;
TQString mTo, mCC;
partNode *mOrigRoot;
/**
* If there was a text selection set in the constructor, that will be returned.
* Otherwise, returns the plain text of the original message, as in KMMessage::asPlainText().
* The only difference is that this uses the cached object tree from parsedObjectTree()
*
* @param allowSelectionOnly if false, it will always return the complete mail text
*/
TQString messageText( bool allowSelectionOnly );
/**
* Returns the parsed object tree of the original message.
* The result is cached in mOrigRoot, therefore calling this multiple times will only parse
* the tree once.
*/
partNode* parsedObjectTree();
/**
* Called by processWithTemplate(). This adds the completely processed body to
* the message.
*
* In append mode, this will simply append the text to the body.
*
* Otherwise, the content of the old message is deleted and replaced with @p body.
* Attachments of the original message are also added back to the new message.
*/
void addProcessedBodyToMessage( const TQString &body );
/**
* Determines whether the signature should be stripped when getting the text of the original
* message, e.g. for commands such as %QUOTE
*/
bool shouldStripSignature() const;
int parseQuotes( const TQString &prefix, const TQString &str,
TQString "e ) const;
protected slots:
void onProcessExited( TDEProcess *proc );
void onReceivedStdout( TDEProcess *proc, char *buffer, int buflen );
void onReceivedStderr( TDEProcess *proc, char *buffer, int buflen );
void onWroteStdin( TDEProcess *proc );
};
#endif // __KMAIL_TEMPLATEPARSER_H__
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