| author | sl@SLION-WIN7.fritz.box |
| Fri, 15 Jun 2012 03:10:57 +0200 | |
| changeset 0 | bde4ae8d615e |
| permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* Header READER.CPP |
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* |
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*/ |
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|
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|
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#include "READER.H" |
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|
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Reader::Reader() |
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{
|
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iLexAnal = NULL; |
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} |
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|
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boolean Reader::Open(const String& aFilename) |
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{
|
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boolean state; |
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String string = aFilename; |
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if (iLexAnal != NULL) |
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delete iLexAnal; |
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iLexAnal = new LexAnal(string.Text()); |
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|
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if (iLexAnal) |
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{
|
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state = etrue; |
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iLex =& (iLexAnal->iLex); |
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iLexAnal->Read(); // reads first lexical |
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} |
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else |
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state = efalse; |
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|
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return state; |
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} |
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|
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Reader::~Reader() |
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{
|
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if (iLexAnal != NULL) |
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delete iLexAnal; |
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} |
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|
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boolean Reader::_EOF() |
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{
|
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return ((iLex->iType) == ELexEOF); |
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} |
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|
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boolean Reader::NewLine() |
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{
|
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boolean state; |
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if (iLex->iType == ELexNL) |
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{
|
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iLexAnal->Read(); |
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state = etrue; |
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} |
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else |
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{
|
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Error(String("Newline expected"));
|
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state = efalse; |
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} |
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return state; |
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} |
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|
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boolean Reader::Number(int& aNumber) |
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{
|
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boolean state; |
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if (iLex->iType == ELexNumber) |
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{
|
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aNumber = iLex->iNumber; |
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iLexAnal->Read(); |
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state = etrue; |
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} |
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else |
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{
|
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Error(String("Number expected"));
|
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state = efalse; |
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} |
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return state; |
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} |
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|
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boolean Reader::IdentComp(const String& aIdent) |
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{
|
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boolean state; |
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if (iLex->iType == ELexIdent) |
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{
|
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if (aIdent == iLex->iText) |
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{
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iLexAnal->Read(); |
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state = etrue; |
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} |
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else |
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state = efalse; |
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} |
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else |
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{
|
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state = efalse; |
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} |
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return state; |
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} |
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|
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boolean Reader::IdentCopy(String& aIdent) |
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{
|
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boolean state; |
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if (iLex->iType == ELexIdent) |
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{
|
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aIdent = iLex->iText; |
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iLexAnal->Read(); |
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state = etrue; |
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} |
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else |
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{
|
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Error(String("Identifier expected"));
|
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state = efalse; |
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} |
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return state; |
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} |
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|
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boolean Reader::StringCopy(String& aString) |
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{
|
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boolean state; |
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if (iLex->iType == ELexString) |
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{
|
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aString = iLex->iText; |
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iLexAnal->Read(); |
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state = etrue; |
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} |
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else |
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{
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Error(String("String expected"));
|
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state = efalse; |
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} |
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return state; |
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} |
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|
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boolean Reader::Operator(char& aCh) |
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{
|
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boolean state; |
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if (iLex->iType == ELexOperator) |
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{
|
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aCh = iLex->iText[0]; |
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iLexAnal->Read(); |
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state = etrue; |
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} |
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else |
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{
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Error(String("Operator expected"));
|
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state = efalse; |
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} |
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return state; |
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} |
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|
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EXPORT_C void Reader::Error(const String& aString) |
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{
|
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cerr << "Error: " << aString; |
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iLexAnal->Report(); |
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while ((iLex->iType != ELexNL) && (iLex->iType != ELexEOF)) |
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iLexAnal->Read(); |
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} |