Vocab.h

#include "vtString.h"
#include "Array.h"
#include "Building.h"

enum TokenType
{
    LITERAL,
    COUNTER,
    NUMBER,
    COLOR,
    MATERIAL,
    ROOFTYPE
};

class InputToken
{
public:
    enum TokenType type;
    vtString str;

    // Don't bother with a union, no need to be efficient here
    int counter;
    float number;
    RGBi color;
    vtString material;
    RoofType rooftype;
};

class MatchToken : public InputToken
{
public:
    bool m_bRequired;
    vtStringArray alternates;
};

typedef vtArray<InputToken *> SentenceIn;
class SentenceMatch : public vtArray<MatchToken *>
{
public:
    virtual ~SentenceMatch() { Empty(); free(m_Data); m_Data = NULL; m_MaxSize = 0; }
    void DestructItems(uint first, uint last) {
        for (uint i = first; i <= last; i++) delete GetAt(i);
    }
    MatchToken *AddLiteral(bool required, const char *str1,
        const char *str2 = NULL, const char *str3 = NULL, const char *str4 = NULL);
    MatchToken *AddToken(bool required, enum TokenType type);
};

class TestParser
{
public:
    SentenceIn sen;
    int iWords;

    int IsCounter(InputToken &t);
    int IsNumber(InputToken &t);
    int IsColor(int i);
    int IsMaterial(int i);

    void ParseInput(const char *string);
    void Apply();
    bool Matches(SentenceMatch &pattern);
};