Common.bt

#ifndef _COMMON
#define _COMMON

typedef uchar bool;

typedef struct
{
    string text;
} CString <bgcolor=0xCDE6FF, read=StringRead>;

typedef struct
{
    uint32 size;
    if (size > 0) {
        char text[size];
    }
} CStringFixed <bgcolor=0xCDE6FF, read=StringReadFixed>;

string StringRead(CString &str)
{
    if (exists(str.text)) {
        return str.text;
    }

    return "<empty>";
}

string StringReadFixed(CStringFixed &str)
{
    if (exists(str.text)) {
        return str.text;
    }
    
    return "<empty>";
}

typedef char FourCC[4] <fgcolor=cLtGreen>;

FourCC FourCCInt(uint32 in)
{
    FourCC fcc;
    fcc[0] = (in >> 24) & 0xFF;
    fcc[1] = (in >> 16) & 0xFF;
    fcc[2] = (in >> 8) & 0xFF;
    fcc[3] = (in >> 0) & 0xFF;
    return fcc;
}

string FormatBytes(uint64 size)
{
    byte order = 0;
    while (size >= 1024 && order < 5)
    {
        order++;
        size /= 1024;
    }
    string suffix;
    switch (order)
    {
        case 0:
            suffix = "";
            break;
        case 1:
            suffix = " KiB";
            break;
        case 2:
            suffix = " MiB";
            break;
        case 3:
            suffix = " GiB";
            break;
        case 4:
            suffix = " TiB";
            break;
    }
    return Str("%d%s", size, suffix);
}

string SizeComment(uint64 size)
{
    return Str("Size: %s (0x%X)", FormatBytes(size), size);
}

local GUID GUIDZero <hidden=true>;

// Struct wrapper for GUID
// Allows array usage
typedef struct {
  GUID inner;
} CGuid <
  read=(GUIDToString(inner)),
  fgcolor=(cLtAqua)
>;

typedef enum <byte>
{
    NONE    = 0x0,
    LZSS_8  = 0x1,
    LZSS_16 = 0x2,
    LZSS_32 = 0x3,
    ZLIB    = 0xD,
} CompressionType;

#endif// _COMMON