mirror of
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386 lines
11 KiB
C++
386 lines
11 KiB
C++
/*****************************************************************************
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* Eliot
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* Copyright (C) 2012 Olivier Teulière
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* Authors: Olivier Teulière <ipkiss @@ gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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
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* GNU 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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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#include <QtGui/QLineEdit>
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#include <QtGui/QValidator>
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#include "validator_factory.h"
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#include "qtcommon.h"
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#include "dic.h"
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#include "bag.h"
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#include "coord.h"
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// TODO: There is probably a good potential for code factorization in this file
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INIT_LOGGER(qt, ValidatorFactory);
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// {{{ ChangeValidator: Validator used for the "change letters" line edit
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class ChangeValidator: public QValidator
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{
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public:
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explicit ChangeValidator(QObject *parent,
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const QLineEdit &iLineEdit,
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const Dictionary &iDic);
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virtual State validate(QString &input, int &pos) const;
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private:
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const QLineEdit &m_lineEdit;
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const Dictionary &m_dic;
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};
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ChangeValidator::ChangeValidator(QObject *parent,
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const QLineEdit &iLineEdit,
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const Dictionary &iDic)
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: QValidator(parent), m_lineEdit(iLineEdit), m_dic(iDic)
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{
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}
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QValidator::State ChangeValidator::validate(QString &input, int &) const
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{
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// The string is invalid if it contains invalid input characters
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const wistring &winput = wfq(input);
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if (!m_dic.validateInputChars(winput))
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return Invalid;
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// Convert the string to internal letters
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const wstring &intInput = m_dic.convertFromInput(winput);
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// The string is invalid if it contains characters not present
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// in the dictionary
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if (!m_dic.validateLetters(intInput))
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return Intermediate;
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const wstring &rack = m_dic.convertFromInput(wfq(m_lineEdit.text()));
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if (intInput.size() > rack.size())
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return Intermediate;
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// The letters to change must be in the rack
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// We convert back to QString objects, because their count() method is
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// very practical...
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QString qrack = qfw(rack);
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QString qinput = qfw(intInput);
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for (int i = 0; i < qinput.size(); ++i)
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{
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if (qinput.count(qinput[i], Qt::CaseInsensitive) >
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qrack.count(qinput[i], Qt::CaseInsensitive))
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{
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return Intermediate;
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}
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}
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return Acceptable;
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}
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QValidator *ValidatorFactory::newChangeValidator(QObject *parent,
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const QLineEdit &iRackLineEdit,
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const Dictionary &iDic)
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{
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return new ChangeValidator(parent, iRackLineEdit, iDic);
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}
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// }}}
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// {{{ RackValidator: Validator used for the rack line edit
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class RackValidator: public QValidator
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{
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public:
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explicit RackValidator(QObject *parent, const Bag *iBag);
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virtual State validate(QString &input, int &pos) const;
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private:
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const Bag *m_bag;
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};
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RackValidator::RackValidator(QObject *parent, const Bag *iBag)
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: QValidator(parent), m_bag(iBag)
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{
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}
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QValidator::State RackValidator::validate(QString &input, int &) const
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{
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// This should never happen, since the control should be disabled in
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// such a case, but checking doesn't hurt...
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if (m_bag == NULL)
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return Invalid;
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input = input.toUpper();
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const Dictionary &dic = m_bag->getDic();
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// The string is invalid if it contains invalid input characters
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const wistring &winput = wfq(input);
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if (!dic.validateInputChars(winput))
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return Invalid;
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// Convert the string to internal letters
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const wstring &intInput = dic.convertFromInput(winput);
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// The string is invalid if it contains characters not present
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// in the dictionary
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if (!dic.validateLetters(intInput))
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return Intermediate;
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QString qinput = qfw(intInput);
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// The letters must be in the bag
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for (int i = 0; i < qinput.size(); ++i)
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{
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if ((unsigned int)qinput.count(qinput[i], Qt::CaseInsensitive) >
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m_bag->in(intInput[i]))
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{
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return Invalid;
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}
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}
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return Acceptable;
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}
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QValidator *ValidatorFactory::newRackValidator(QObject *parent,
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const Bag *iBag)
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{
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return new RackValidator(parent, iBag);
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}
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// }}}
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// {{{ DicRackValidator: Validator used for the line edits accepting only dictionary characters
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class DicRackValidator: public QValidator
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{
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public:
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explicit DicRackValidator(QObject *parent,
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const Dictionary *iDic,
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bool acceptJoker);
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virtual State validate(QString &input, int &pos) const;
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private:
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const Dictionary *m_dic;
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const bool m_acceptJoker;
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};
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DicRackValidator::DicRackValidator(QObject *parent,
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const Dictionary *iDic,
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bool acceptJoker)
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: QValidator(parent), m_dic(iDic), m_acceptJoker(acceptJoker)
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{
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}
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QValidator::State DicRackValidator::validate(QString &input, int &) const
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{
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if (m_dic == NULL)
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return Invalid;
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if (input == "")
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return Intermediate;
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// The string is invalid if it contains invalid input characters
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const wistring &winput = wfq(input);
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if (!m_dic->validateInputChars(winput))
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return Invalid;
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// Convert the string to internal letters
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const wstring &intInput = m_dic->convertFromInput(winput);
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// The string is invalid if it contains characters not present
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// in the dictionary
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if (!m_dic->validateLetters(intInput))
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return Intermediate;
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// A '?' may not be acceptable
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if (!m_acceptJoker && input.contains('?'))
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return Invalid;
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// Do not accept more than 2 jokers
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if (input.count('?') > 2)
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return Invalid;
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return Acceptable;
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}
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QValidator *ValidatorFactory::newDicRackValidator(QObject *parent,
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const Dictionary *iDic,
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bool acceptJoker)
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{
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return new DicRackValidator(parent, iDic, acceptJoker);
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}
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// }}}
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// {{{ Validator used for the regexp line edit
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class RegexpValidator: public QValidator
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{
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public:
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explicit RegexpValidator(QObject *parent,
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const Dictionary *iDic);
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virtual State validate(QString &input, int &pos) const;
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private:
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const Dictionary *m_dic;
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};
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RegexpValidator::RegexpValidator(QObject *parent,
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const Dictionary *iDic)
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: QValidator(parent), m_dic(iDic)
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{
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}
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QValidator::State RegexpValidator::validate(QString &input, int &) const
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{
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if (m_dic == NULL)
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return Invalid;
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if (input == "")
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return Intermediate;
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wstring authorizedChars = L".[]()*+?:^";
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// The string is invalid if it contains invalid input characters
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const wistring &winput = wfq(input);
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if (!m_dic->validateInputChars(winput, authorizedChars))
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return Invalid;
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// Convert the string to internal letters
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const wstring &intInput = m_dic->convertFromInput(winput);
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// The string is invalid if it contains characters not present
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// in the dictionary
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if (!m_dic->validateLetters(intInput, authorizedChars))
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return Intermediate;
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return Acceptable;
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}
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QValidator *ValidatorFactory::newRegexpValidator(QObject *parent,
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const Dictionary *iDic)
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{
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return new RegexpValidator(parent, iDic);
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}
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// }}}
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// {{{ Validator used for the "play word" line edit
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class PlayWordValidator: public QValidator
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{
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public:
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explicit PlayWordValidator(QObject *parent,
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const Dictionary &iDic);
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virtual State validate(QString &input, int &pos) const;
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private:
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const Dictionary &m_dic;
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};
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PlayWordValidator::PlayWordValidator(QObject *parent,
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const Dictionary &iDic)
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: QValidator(parent), m_dic(iDic)
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{
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}
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QValidator::State PlayWordValidator::validate(QString &input, int &) const
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{
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if (input == "")
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return Intermediate;
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const wistring &winput = wfq(input);
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// The string is invalid if it contains invalid input characters
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if (!m_dic.validateInputChars(winput, L"()") || input.contains('?'))
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return Invalid;
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// Convert the string to internal letters
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const wstring &intInput = m_dic.convertFromInput(winput);
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// The string is invalid if it contains characters not present
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// in the dictionary (ignoring parentheses)
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if (!m_dic.validateLetters(intInput, L"()"))
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return Intermediate;
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// Check the parentheses pairs
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QString qintInput = qfw(intInput);
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int pos;
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while ((pos = qintInput.indexOf('(')) != -1)
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{
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if (qintInput.size() < pos + 3 || qintInput[pos + 2] != ')' ||
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!m_dic.validateLetters(wfq(QString(qintInput[pos + 1]))))
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{
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return Intermediate;
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}
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else
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{
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qintInput.remove(pos, 3);
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}
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}
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if (qintInput.indexOf(')') != -1)
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return Intermediate;
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return Acceptable;
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}
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QValidator *ValidatorFactory::newPlayWordValidator(QObject *parent,
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const Dictionary &iDic)
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{
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return new PlayWordValidator(parent, iDic);
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}
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// }}}
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// {{{ CoordsValidator: Validator used to enter coordinates
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class CoordsValidator: public QValidator
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{
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public:
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explicit CoordsValidator(QObject *parent);
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virtual State validate(QString &input, int &pos) const;
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};
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CoordsValidator::CoordsValidator(QObject *parent)
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: QValidator(parent)
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{
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}
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QValidator::State CoordsValidator::validate(QString &input, int &) const
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{
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// Only authorize characters part of a valid coordinate
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wstring copy = wfq(input.toUpper());
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wstring authorized = L"ABCDEFGHIJKLMNO1234567890";
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if (copy.find_first_not_of(authorized) != wstring::npos)
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return Invalid;
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// Check coordinates
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Coord c(wfq(input));
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if (!c.isValid())
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return Intermediate;
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return Acceptable;
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}
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QValidator *ValidatorFactory::newCoordsValidator(QObject *parent)
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{
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return new CoordsValidator(parent);
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}
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// }}}
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// vim:fdm=marker fdl=0
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