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Diffstat (limited to 'reportbuilder/java/com/sun/star/report/pentaho/SOFormulaParser.java')
| -rw-r--r-- | reportbuilder/java/com/sun/star/report/pentaho/SOFormulaParser.java | 429 |
1 files changed, 429 insertions, 0 deletions
diff --git a/reportbuilder/java/com/sun/star/report/pentaho/SOFormulaParser.java b/reportbuilder/java/com/sun/star/report/pentaho/SOFormulaParser.java new file mode 100644 index 000000000000..26a454cab9aa --- /dev/null +++ b/reportbuilder/java/com/sun/star/report/pentaho/SOFormulaParser.java @@ -0,0 +1,429 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: SOFormulaParser.java,v $ + * + * $Revision: 1.7 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +package com.sun.star.report.pentaho; + +import com.sun.star.lang.XServiceInfo; +import com.sun.star.sheet.XFormulaOpCodeMapper; +import com.sun.star.uno.Exception; +import com.sun.star.uno.XComponentContext; +import com.sun.star.lib.uno.helper.ComponentBase; +import com.sun.star.uno.Type; +import com.sun.star.lib.uno.helper.PropertySetMixin; +import com.sun.star.sheet.FormulaLanguage; +import com.sun.star.sheet.FormulaMapGroup; +import com.sun.star.sheet.FormulaMapGroupSpecialOffset; +import com.sun.star.sheet.FormulaOpCodeMapEntry; +import com.sun.star.sheet.FormulaToken; +import com.sun.star.uno.Any; +import com.sun.star.uno.UnoRuntime; +import java.io.StringReader; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.Vector; +import org.pentaho.reporting.libraries.formula.DefaultFormulaContext; +import org.pentaho.reporting.libraries.formula.function.FunctionRegistry; +import org.pentaho.reporting.libraries.formula.parser.FormulaParser; +import org.pentaho.reporting.libraries.formula.parser.GeneratedFormulaParserConstants; +import org.pentaho.reporting.libraries.formula.parser.GeneratedFormulaParserTokenManager; +import org.pentaho.reporting.libraries.formula.parser.JavaCharStream; +import org.pentaho.reporting.libraries.formula.parser.ParseException; +import org.pentaho.reporting.libraries.formula.parser.Token; +import org.pentaho.reporting.libraries.formula.parser.TokenMgrError; +import org.pentaho.reporting.libraries.base.config.Configuration; + +public final class SOFormulaParser extends ComponentBase + implements com.sun.star.report.meta.XFormulaParser, XServiceInfo +{ + + public static final int SEPARATORS = 0; + public static final int ARRAY_SEPARATORS = 1; + public static final int UNARY_OPERATORS = 2; + public static final int BINARY_OPERATORS = 3; + public static final int FUNCTIONS = 4; + private final XComponentContext m_xContext; + private final PropertySetMixin m_prophlp; + private static final String __serviceName = "com.sun.star.report.meta.FormulaParser"; + private static final String OPERATORS = "org.pentaho.reporting.libraries.formula.operators."; + + // attributes + final private List m_OpCodeMap = new ArrayList(); + private XFormulaOpCodeMapper formulaOpCodeMapper = null; + private final Map parserAllOpCodes = new HashMap(); + private final Map parserNames = new HashMap(); + private final Map[] groupOpCodes = new HashMap[5]; + private final Vector specialOpCodes = new Vector(); + + public Vector getSpecialOpCodes() + { + return specialOpCodes; + } + private int ownTokenCounter = 1000; + private final FormulaOpCodeMapEntry opCodePush; + private final FormulaParser parser; + + public SOFormulaParser(XComponentContext context) + { + + m_xContext = context; + final ClassLoader cl = java.lang.Thread.currentThread().getContextClassLoader(); + Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader()); + + parser = new FormulaParser(); + try + { + final XFormulaOpCodeMapper mapper = (XFormulaOpCodeMapper) UnoRuntime.queryInterface(XFormulaOpCodeMapper.class, m_xContext.getServiceManager().createInstanceWithContext("simple.formula.FormulaOpCodeMapperObj", m_xContext)); + FormulaOpCodeMapEntry[] opCodes = mapper.getAvailableMappings(FormulaLanguage.ODFF, FormulaMapGroup.FUNCTIONS); + final DefaultFormulaContext defaultContext = new DefaultFormulaContext(); + final FunctionRegistry functionRegistry = defaultContext.getFunctionRegistry(); + + String[] names = functionRegistry.getFunctionNames(); + addOpCodes(names, opCodes, FUNCTIONS); + names = getOperators(defaultContext, OPERATORS); + opCodes = mapper.getAvailableMappings(FormulaLanguage.ODFF, FormulaMapGroup.UNARY_OPERATORS); + addOpCodes(names, opCodes, UNARY_OPERATORS); + opCodes = mapper.getAvailableMappings(FormulaLanguage.ODFF, FormulaMapGroup.BINARY_OPERATORS); + addOpCodes(names, opCodes, BINARY_OPERATORS); + + names = GeneratedFormulaParserConstants.tokenImage.clone(); + for (int i = 0; i < names.length; i++) + { + final String token = names[i]; + if ( token != null && token.length() > 0 && token.charAt(0) == '"' ) + { + names[i] = token.substring(1, token.length() - 1); + } + } + opCodes = mapper.getAvailableMappings(FormulaLanguage.ODFF, FormulaMapGroup.SEPARATORS); + addOpCodes(names, opCodes, SEPARATORS, false); + + opCodes = mapper.getAvailableMappings(FormulaLanguage.ODFF, FormulaMapGroup.ARRAY_SEPARATORS); + addOpCodes(names, opCodes, ARRAY_SEPARATORS, false); + + opCodes = mapper.getAvailableMappings(FormulaLanguage.ODFF, FormulaMapGroup.SPECIAL); + names = new String[opCodes.length]; + + for (int i = 0; i < opCodes.length; i++) + { + final FormulaOpCodeMapEntry opCode = opCodes[i]; + parserAllOpCodes.put(opCode.Token.OpCode, opCode); + specialOpCodes.add(opCode); + } + // addOpCodes(names, opCodes,SPECIAL,false); + } catch ( Exception ex ) + { + ex.printStackTrace(); + } + opCodePush = (FormulaOpCodeMapEntry) specialOpCodes.get(FormulaMapGroupSpecialOffset.PUSH); + Thread.currentThread().setContextClassLoader(cl); + // use the last parameter of the PropertySetMixin constructor + // for your optional attributes if necessary. See the documentation + // of the PropertySetMixin helper for further information. + // Ensure that your attributes are initialized correctly! + m_prophlp = new PropertySetMixin(m_xContext, this, + new Type(com.sun.star.report.meta.XFormulaParser.class), null); + } + ; + + // com.sun.star.sheet.XFormulaParser: + public com.sun.star.sheet.FormulaToken[] parseFormula(String aFormula) + { + final ArrayList tokens = new ArrayList(); + if ( !"=".equals(aFormula) ) + { + String formula; + if ( aFormula.charAt(0) == '=' ) + formula = aFormula.substring(1); + else + formula = aFormula; + final ArrayList images = new ArrayList(); + try + { + int brackets = 0; + final GeneratedFormulaParserTokenManager tokenParser = new GeneratedFormulaParserTokenManager(new JavaCharStream(new StringReader(formula), 1, 1)); + Token token = tokenParser.getNextToken(); + while (token.kind != GeneratedFormulaParserConstants.EOF) + { + final FormulaToken formulaToken; + images.add(token.image); + final String upper = token.image.toUpperCase(); + if ( parserNames.containsKey(upper) ) + { + if ( token.image.equals("(")) + brackets++; + else if ( token.image.equals(")")) + --brackets; + final FormulaOpCodeMapEntry opCode = (FormulaOpCodeMapEntry) parserNames.get(upper); + formulaToken = opCode.Token; + } + else if ( token.kind == GeneratedFormulaParserConstants.WHITESPACE ) + { + final FormulaOpCodeMapEntry opCode = (FormulaOpCodeMapEntry) specialOpCodes.get(FormulaMapGroupSpecialOffset.SPACES); + formulaToken = opCode.Token; + } + else + { + formulaToken = new FormulaToken(); + formulaToken.OpCode = opCodePush.Token.OpCode; + formulaToken.Data = new Any(Type.STRING, token.image); + } + + tokens.add(formulaToken); + token = tokenParser.getNextToken(); + } + if ( brackets > 0 ) + { + final FormulaOpCodeMapEntry opCode = (FormulaOpCodeMapEntry) parserNames.get(")"); + while ( brackets-- != 0 ) + { + formula = formula.concat(")"); + images.add(")"); + tokens.add(opCode.Token); + } + + } + + parser.parse(formula); + } catch ( ParseException ex ) + { + boolean found = false; + // error occured so all token must be bad + for (int i = 0; i < tokens.size(); i++) + { + if ( !found && images.get(i).equals(ex.currentToken.image) ) + found = true; + if ( found ) + { + final FormulaToken dest = new FormulaToken(); + dest.OpCode = ((FormulaOpCodeMapEntry) specialOpCodes.get(FormulaMapGroupSpecialOffset.BAD)).Token.OpCode; + dest.Data = new Any(Type.STRING, images.get(i)); + tokens.remove(i); + tokens.add(i, dest); + } + } + } catch ( java.lang.Exception e ) + { + } catch ( TokenMgrError e ) + { + } + } + FormulaToken[] ret = (FormulaToken[]) tokens.toArray(new FormulaToken[tokens.size()]); + return ret; + } + + public String printFormula(com.sun.star.sheet.FormulaToken[] aTokens) + { + final StringBuffer ret = new StringBuffer(); + for (int i = 0; i < aTokens.length; i++) + { + final FormulaToken formulaToken = aTokens[i]; + if ( formulaToken.OpCode == opCodePush.Token.OpCode && !formulaToken.Data.equals(Any.VOID) ) + { + ret.append(formulaToken.Data); + } + else if ( parserAllOpCodes.containsKey(formulaToken.OpCode) ) + { + final FormulaOpCodeMapEntry opCode = (FormulaOpCodeMapEntry) parserAllOpCodes.get(formulaToken.OpCode); + if ( opCode.Name.length() > 0 ) + ret.append(opCode.Name); + else if ( !formulaToken.Data.equals(Any.VOID) ) + ret.append(formulaToken.Data); + } + } + return ret.toString(); + } + + // com.sun.star.beans.XPropertySet: + public com.sun.star.beans.XPropertySetInfo getPropertySetInfo() + { + return m_prophlp.getPropertySetInfo(); + } + + public void setPropertyValue(String aPropertyName, Object aValue) throws com.sun.star.beans.UnknownPropertyException, com.sun.star.beans.PropertyVetoException, com.sun.star.lang.IllegalArgumentException, com.sun.star.lang.WrappedTargetException + { + m_prophlp.setPropertyValue(aPropertyName, aValue); + } + + public Object getPropertyValue(String aPropertyName) throws com.sun.star.beans.UnknownPropertyException, com.sun.star.lang.WrappedTargetException + { + return m_prophlp.getPropertyValue(aPropertyName); + } + + public void addPropertyChangeListener(String aPropertyName, com.sun.star.beans.XPropertyChangeListener xListener) throws com.sun.star.beans.UnknownPropertyException, com.sun.star.lang.WrappedTargetException + { + m_prophlp.addPropertyChangeListener(aPropertyName, xListener); + } + + public void removePropertyChangeListener(String aPropertyName, com.sun.star.beans.XPropertyChangeListener xListener) throws com.sun.star.beans.UnknownPropertyException, com.sun.star.lang.WrappedTargetException + { + m_prophlp.removePropertyChangeListener(aPropertyName, xListener); + } + + public void addVetoableChangeListener(String aPropertyName, com.sun.star.beans.XVetoableChangeListener xListener) throws com.sun.star.beans.UnknownPropertyException, com.sun.star.lang.WrappedTargetException + { + m_prophlp.addVetoableChangeListener(aPropertyName, xListener); + } + + public void removeVetoableChangeListener(String aPropertyName, com.sun.star.beans.XVetoableChangeListener xListener) throws com.sun.star.beans.UnknownPropertyException, com.sun.star.lang.WrappedTargetException + { + m_prophlp.removeVetoableChangeListener(aPropertyName, xListener); + } + + // com.sun.star.report.meta.XFormulaParser: + public com.sun.star.sheet.FormulaOpCodeMapEntry[] getOpCodeMap() + { + return (com.sun.star.sheet.FormulaOpCodeMapEntry[]) m_OpCodeMap.toArray(new FormulaOpCodeMapEntry[m_OpCodeMap.size()]); + } + + public void setOpCodeMap(com.sun.star.sheet.FormulaOpCodeMapEntry[] the_value) + { +// m_prophlp.prepareSet("OpCodeMap", null); +// synchronized (this) +// { +// m_OpCodeMap.clear(); +// } + } + + public String getImplementationName() + { + return SOFormulaParser.class.getName(); + } + + public boolean supportsService(String sServiceName) + { + return sServiceName.equals(__serviceName); + } + + public String[] getSupportedServiceNames() + { + return getServiceNames(); + } + + /** + * This method is a simple helper function to used in the static component initialisation functions as well as + * in getSupportedServiceNames. + */ + public static String[] getServiceNames() + { + return new String[] + { + __serviceName + }; + } + + public XFormulaOpCodeMapper getFormulaOpCodeMapper() + { + if ( formulaOpCodeMapper == null ) + { + formulaOpCodeMapper = new SOFormulaOpCodeMapper(m_xContext, this); + } + + return formulaOpCodeMapper; + } + + private void addOpCodes(String[] names, FormulaOpCodeMapEntry[] opCodes, int group) + { + addOpCodes(names, opCodes, group, true); + } + + private void addOpCodes(String[] names, FormulaOpCodeMapEntry[] opCodes, int group, boolean add) + { + groupOpCodes[group] = new HashMap(); + for (int j = 0; j < names.length; j++) + { + FormulaOpCodeMapEntry opCode = null; + int i = 0; + for (; i < opCodes.length; i++) + { + opCode = opCodes[i]; + if ( names[j].equals(opCode.Name) ) + { + break; + } + } + if ( i >= opCodes.length ) + { + if ( !add ) + continue; + final FormulaToken token = new FormulaToken(ownTokenCounter++, Any.VOID); + opCode = new FormulaOpCodeMapEntry(names[j], token); + } + parserNames.put(names[j], opCode); + parserAllOpCodes.put(opCode.Token.OpCode, opCode); + groupOpCodes[group].put(opCode.Token.OpCode, opCode); + } + } + + final public Map getNames() + { + return parserNames; + } + + final public Map getGroup(int group) + { + return groupOpCodes[group]; + } + + private String[] getOperators(DefaultFormulaContext defaultContext, final String _kind) + { + final ArrayList ops = new ArrayList(); + final Configuration configuration = defaultContext.getConfiguration(); + final Iterator iter = configuration.findPropertyKeys(_kind); + while (iter.hasNext()) + { + final String configKey = (String) iter.next(); + if ( configKey.endsWith(".class") == false ) + { + continue; + } + final String operatorClass = configuration.getConfigProperty(configKey); + if ( operatorClass == null ) + { + continue; + } + if ( operatorClass.length() == 0 ) + { + continue; + } + final String tokenKey = configKey.substring(0, configKey.length() - ".class".length()) + ".token"; + final String token = configuration.getConfigProperty(tokenKey); + if ( token == null ) + { + continue; + } + ops.add(token.trim()); + } + return (String[]) ops.toArray(new String[ops.size()]); + } +} + |