/* $Id: OSrLParserData.h 4292 2011-09-21 05:47:18Z kmartin $ */
/** @file OSrLParserData.h
 *
 * @author  Horand Gassmann, Jun Ma, Kipp Martin,
 *
 * \remarks
 * Copyright (C) 2005-2011, Horand Gassmann, Jun Ma, Kipp Martin,
 * Dalhousie University, Northwestern University, and the University of Chicago.
 * All Rights Reserved.
 * This software is licensed under the Eclipse Public License.
 * Please see the accompanying LICENSE file in root directory for terms.
 *
 */
#ifndef OSRLPARSERDATA_H
#define OSRLPARSERDATA_H

#include "OSnLNode.h"
#include "OSGeneral.h"

#include <vector>
#include <sstream>



/*! \struct OtherVariableResultStruct
 * \brief A structure to information about an OtherVariableResult
 * element
 */
struct OtherVariableResultStruct
{
    /** name holds the text of the name attribute of the
     * OtherVariableResult element
     */
    std::string name;

    /** description holds the text of the description attribute
     * of the OtherVariableResult element
     */
    std::string description;

    /** value holds the text of the value attribute
     * of the OtherVariableResult element
     */
    std::string value;

    /** numberOfVar holds the number of variables in the <var> array
     * of the OtherVariableResult element
     */
    int numberOfVar;

    /** otherVarText is a pointer to an array with number of
     * elements equal to the number of variables. Each element of the
     * array is the value of the variable corresponding to the
     * OtherVariableResult, e.g. a variable name or variable
     * reduced cost, etc.
     */
    std::string *otherVarText;


    /** otherVarIndex is a pointer to an array with number of
     * elements equal to the number of variables. Each element of the
     * array is the index of the variable corresponding to the
     * OtherVariableResult, e.g. a variable name or variable
     * reduced cost, etc.
     */
    int *otherVarIndex;

};


/*! \class OSrLParserData
 *  \brief The OSrLParserData  Class.
 *
 * @author Horand Gassmann, Jun Ma, Kipp Martin
 * @version 1.0, 03/14/2004
 * @since OS 1.0
 *
 * \remarks
 * the OSrLParserData class is used to temporarily
 * hold data found in parsing the OSrL instance
 * we do this so we can have a reentrant parser.
 */
class OSrLParserData
{
public:

    /** the OSrLParserData class constructor */
    OSrLParserData( );

    //** the OSrLParserData class destructor */
    ~OSrLParserData() ;


    /**  the status type of the result */
    std::string statusType;

    /** the status Description of the solution */
    std::string statusDescription;

    /** the next few variables store a time measurement and associated
        attribute values */
    double timeValue;
    std::string timeType;
    std::string timeCategory;
    std::string timeUnit;
    std::string timeDescription;

    /** There could be more than one time measurement;
     *  numberOfTimes stores the number of them */
    int numberOfTimes;

    /** Provide temporary storage for attribute values associated with an OtherVarResult */
    std::string tmpOtherValue;
    std::string tmpOtherName;
    std::string tmpOtherDescription;

    /** Provide temporary storage for a single <record> contained in an OtherSolutionResult */
    std::string itemContent;

    /** scanner is used to store data in a reentrant lexer
     *  we use this to pass an OSrLParserData object to the parser*/
    void* scanner;

    /** number of result solutions */
    unsigned int numberOfSolutions;

    /** total number of variables in the model instance */
    int numberOfVariables;

    /** total number of constraints in the model instance */
    int numberOfConstraints;

    /** total number of Objectives in the model instance */
    int numberOfObjectives;

    /** number of indexes in a category of basis elements,
     * may change from category to category and solution to solution
     */
    int numberOfIdx;

    /** number of variables in a solution instance,
     * may change from solution to solution
     */
    int numberOfVar;

    /** number of variables indices in other variable result enumeration,
     * may change from solution to solution
     */
    int numberOfVarIdx;

    /** number of constraints in a solution instance,
     * may change from solution to solution
     */
    int numberOfCon;

    int numberOfEnumerations;

    /** number of Objectives in a solution instance
     * may change from solution to solution
     */
    int numberOfObj;

    /** a temporary variable to hold the number of entries in a list */
    int numberOf;

    /** a temporary counter to count variables, number of attributes, etc. */
    int kounter;

    /** a temporary counter to count other variable, objective and constraint results */
    int iOther;

    /** a temporary counter to count second-level objects */
    int ivar;

    /** a temporary variable to hold an integer index value */
    int idx;

    /** a temporary variable to hold an integer or double value */
    double tempVal;

    /** a temporary variable to hold an integer value */
    int tempInt;

    /** a temporary variable to hold a string */
    std::string tempStr;

    /** a temporary variable to hold a variable, objective or constraint name */
    std::string name;

    /** a temporary variable to hold an output stream value */
    std::ostringstream outStr;

    /** the number of types of variable results other
     * than the value of the variable
     */
    int numberOfOtherVariableResults;

    /** the number of types of objective results other
     * than the value of the objective
     */
    int numberOfOtherObjectiveResults;

    /** the number of types of constraint results other
     * than the value of the constraint
     */
    int numberOfOtherConstraintResults;

    /** an index of which solution we have found */
    unsigned int solutionIdx;

    /** a multiplier or repeat count for compact representation of an array */
    int mult;

    /** an increment for compact representation of an array (used with mult) */
    int incr;

    /** a number of boolean vriables to track which of the attributes
     *  have been found in the present list. Attributes have standardized names,
     *  and the information about their presence or absence is immaterial once
     *  the list has been completely processed, so the boolean variables can be
     *  reused in the same way the names can be reused.
     */
    bool numberAttributePresent;
    bool incrPresent;
    bool multPresent;
    bool idxAttributePresent;
    bool categoryAttributePresent;
    bool descriptionAttributePresent;
    bool nameAttributePresent;
    bool numberOfVarAttributePresent;
    bool numberOfVarIdxAttributePresent;
    bool numberOfObjAttributePresent;
    bool numberOfObjIdxAttributePresent;
    bool numberOfConAttributePresent;
    bool numberOfConIdxAttributePresent;
    bool numberOfEnumerationsAttributePresent;
    bool typeAttributePresent;
    bool unitAttributePresent;
    bool valueAttributePresent;
    bool weightedObjAttributePresent;

    /** many attributes, particularly those that return strings, are used
     *  multiple times, and the parser uses generic constructs for them.
     *  These temporary variables are used to hold the values returned by the parser.
     **/

    std::string categoryAttribute;
    std::string descriptionAttribute;
    std::string nameAttribute;
    std::string typeAttribute;
    std::string unitAttribute;
    std::string valueAttribute;


    bool nVarPresent;
    bool nObjPresent;
    bool nConPresent;

    /** set general...Present to true if the corresponding
     *  element (child of the <general> element) has been parsed
     */
    bool generalStatusPresent;
    bool generalMessagePresent;
    bool generalServiceURIPresent;
    bool generalServiceNamePresent;
    bool generalInstanceNamePresent;
    bool generalJobIDPresent;
    bool generalSolverInvokedPresent;
    bool generalTimeStampPresent;
    bool otherGeneralResultsPresent;

    /** set system...Present to true if the corresponding
     *  element (child of the <system> element) has been parsed
     */
    bool systemInformationPresent;
    bool systemAvailableDiskSpacePresent;
    bool systemAvailableMemoryPresent;
    bool systemAvailableCPUSpeedPresent;
    bool systemAvailableCPUNumberPresent;
    bool otherSystemResultsPresent;

    /** set service...Present to true if the corresponding
     *  element (child of the <service> element) has been parsed
     */
    bool serviceCurrentStatePresent;
    bool serviceCurrentJobCountPresent;
    bool serviceTotalJobsSoFarPresent;
    bool timeServiceStartedPresent;
    bool serviceUtilizationPresent;
    bool otherServiceResultsPresent;

    /** set job...Present to true if the corresponding
     *  element (child of the <job> element) has been parsed
     */
    bool jobStatusPresent;
    bool jobSubmitTimePresent;
    bool scheduledStartTimePresent;
    bool actualStartTimePresent;
    bool jobEndTimePresent;
    bool jobTimingInformationPresent;
    bool jobUsedDiskSpacePresent;
    bool jobUsedMemoryPresent;
    bool jobUsedCPUSpeedPresent;
    bool jobUsedCPUNumberPresent;
    bool otherJobResultsPresent;

    bool numberOfItemsPresent;
    int  numberOfItems;


    /**  for each solution we will build a vector of index-value
     * pairs of primal values */
    struct IndexValuePair *primalValPair;
    std::vector<IndexValuePair*> primalVals;


    /**  for each solution we will build a vector of index-value
     * pairs of objective function values */
    struct IndexValuePair *objValPair;
    std::vector<IndexValuePair*> objVals;


    /**  for each solution we will build a vector of index-value
     * pairs of dual values */
    struct IndexValuePair *dualValPair;
    std::vector<IndexValuePair*> dualVals;


    /** a pointer to an OtherVariableResultStruct structure  */
    struct OtherVariableResultStruct *otherVarStruct;

    /** store a vector of pointers to otherVarVec structures */
    std::vector<OtherVariableResultStruct*> otherVarVec;

    /**  if the parser finds invalid text it is held here and we delete
     *   if the file was not valid
     */
    char *errorText;
};

#endif /*OSRLPARSERDATA_H_*/
