hgeProperties.h

//
// Opal SDK 1.0 
// Copyright(C) 2009, Paul Blower
//

#ifndef HGEPROPERTIES_H__
#define HGEPROPERTIES_H__

// STD
#include <string>
#include <vector>
#include <ios>
#include <sstream>

// Resource
#include "hgeResourceReader.h"


// Key / Value Class

struct hgeKeyValue
{
    std::string keyName;
    std::string keyValue;

    std::string datatype;

    hgeKeyValue() { return; }
    hgeKeyValue(std::string nam, std::string val) { keyName = nam; keyValue = val; }
    hgeKeyValue(std::string nam, int val)         { keyName = nam; char tmp[16]; sprintf_s(tmp, "%i", val); keyValue = tmp; }
    hgeKeyValue(std::string nam, float val)       { keyName = nam; char tmp[16]; sprintf_s(tmp, "%.6f", val); keyValue = tmp; }
    hgeKeyValue(std::string nam, DWORD col)       { keyName = nam; char tmp[16]; sprintf_s(tmp, "0x%2d%2d%2d%2d", GETA(col), GETR(col), GETG(col), GETB(col)); keyValue = tmp; }

    // Copy constructor
    hgeKeyValue(const hgeKeyValue &b)
    {
        keyName = b.keyName;
        keyValue = b.keyValue;
    }
};


// Properties Class

class hgeProperties
{
protected:
    
    // key/value pairs
    std::vector<hgeKeyValue> kv;

    // Read a std::string with a length header
    std::string ReadString(hgeResourceReader *fil);

public:

    // Class name of properties - eg "trigger_once", etc
    std::string classname;

    // Returns a property from index
    inline hgeKeyValue GetProperty(int index) { return kv[index]; }

    // Returns a property from name
    hgeKeyValue GetProperty(std::string name);

    // Returns the number of properties
    inline int GetPropertyCount() { return (int)kv.size(); }    

    // Retrieves a string value from an existing property
    inline std::string GetString(std::string name)
    {
        return GetProperty(name).keyValue;
    }

    // Retrieves a float value from an existing property
    inline float GetFloat(std::string name)
    {
        return (float)atof(GetProperty(name).keyValue.c_str());
    }

    // Retrieves an int value from an existing property
    inline int GetInt(std::string name)
    {
        return atoi(GetProperty(name).keyValue.c_str());
    }

    // Retrieves an DWORD value from an existing property
    DWORD GetColor(std::string name);

    // Adds value to an existing property
    bool EditProperty(std::string name, std::string value);
    bool EditProperty(int index, std::string value);

    // Creates a property
    inline void AddProperty(std::string name, std::string value) { kv.push_back(hgeKeyValue(name, value)); }
    inline void AddProperty(std::string name, int value) { kv.push_back(hgeKeyValue(name, value)); }
    inline void AddProperty(std::string name, float value) { kv.push_back(hgeKeyValue(name, value)); }
    inline void AddProperty(std::string name, DWORD col) { kv.push_back(hgeKeyValue(name, col)); }


    inline void AddProperty(hgeKeyValue kvpair)
    {
        kv.push_back(kvpair);
    }

    // Copies another property pair
    void Copy(hgeProperties *props);

    // Load
    void Load(hgeResourceReader *fil);

    inline void Clear()
    {
        classname = "";
        kv.clear();
    }

    // Constructor
    hgeProperties() {}

    hgeProperties(hgeProperties *props)
    {
        Copy(props);
    }
};

#endif

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