Jim Evins
153 lines
2.7 KiB
C++
153 lines
2.7 KiB
C++
/* RawText.cpp
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*
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* Copyright (C) 2017 Jim Evins <evins@snaught.com>
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*
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* This file is part of gLabels-qt.
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*
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* gLabels-qt 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 3 of the License, or
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* (at your option) any later version.
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*
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* gLabels-qt 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 gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "RawText.h"
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#include <QRegularExpression>
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namespace glabels
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{
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namespace model
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{
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///
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/// Constructor from QString
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///
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RawText::RawText( const QString& string ) : mString(string)
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{
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tokenize();
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}
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///
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/// Constructor from C string operator
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///
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RawText::RawText( const char* cString ) : mString(QString(cString))
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{
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tokenize();
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}
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///
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/// Access as QString
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///
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QString RawText::toString() const
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{
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return mString;
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}
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///
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/// Access as std::string
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///
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std::string RawText::toStdString() const
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{
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return mString.toStdString();
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}
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///
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/// Expand all place holders
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///
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QString RawText::expand( merge::Record* record, Variables* variables ) const
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{
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QString text;
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foreach ( const Token& token, mTokens )
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{
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if ( token.isField )
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{
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text += token.field.evaluate( record, variables );
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}
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else
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{
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text += token.text;
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}
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}
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return text;
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}
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///
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/// Does raw text contain place holders?
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///
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bool RawText::hasPlaceHolders() const
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{
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QRegularExpression re("\\${\\w+}");
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return mString.contains( re );
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}
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///
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/// Is raw text empty?
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///
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bool RawText::isEmpty() const
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{
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return mString.isEmpty();
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}
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///
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/// Tokenize string
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///
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void RawText::tokenize()
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{
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Token token;
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QStringRef s = &mString;
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while ( s.size() )
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{
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SubstitutionField field;
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if ( SubstitutionField::parse( s, field ) )
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{
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// Finalize current text token, if apropos
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if ( !token.text.isEmpty() )
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{
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token.isField = false;
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mTokens.append( token );
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}
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// Create and finalize field token
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token.isField = true;
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token.text = "";
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token.field = field;
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mTokens.append( token );
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}
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else
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{
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token.text += s[0];
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s = s.mid(1);
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}
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}
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// Finalize last text token, if apropos
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if ( !token.text.isEmpty() )
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{
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token.isField = false;
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mTokens.append( token );
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}
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}
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}
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}
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