llsdutil.cpp

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#include "linden_common.h"

#include "llsdutil.h"

#if LL_WINDOWS
#       define WIN32_LEAN_AND_MEAN
#       include <winsock2.h>    // for htonl
#elif LL_LINUX || LL_SOLARIS
#       include <netinet/in.h>
#elif LL_DARWIN
#       include <arpa/inet.h>
#endif

#include "llsdserialize.h"

// vector3
LLSD ll_sd_from_vector3(const LLVector3& vec)
{
        LLSD rv;
        rv.append((F64)vec.mV[VX]);
        rv.append((F64)vec.mV[VY]);
        rv.append((F64)vec.mV[VZ]);
        return rv;
}

LLVector3 ll_vector3_from_sd(const LLSD& sd, S32 start_index)
{
        LLVector3 rv;
        rv.mV[VX] = (F32)sd[start_index].asReal();
        rv.mV[VY] = (F32)sd[++start_index].asReal();
        rv.mV[VZ] = (F32)sd[++start_index].asReal();
        return rv;
}

// vector4
LLSD ll_sd_from_vector4(const LLVector4& vec)
{
        LLSD rv;
        rv.append((F64)vec.mV[VX]);
        rv.append((F64)vec.mV[VY]);
        rv.append((F64)vec.mV[VZ]);
        rv.append((F64)vec.mV[VW]);
        return rv;
}

LLVector4 ll_vector4_from_sd(const LLSD& sd, S32 start_index)
{
        LLVector4 rv;
        rv.mV[VX] = (F32)sd[start_index].asReal();
        rv.mV[VY] = (F32)sd[++start_index].asReal();
        rv.mV[VZ] = (F32)sd[++start_index].asReal();
        rv.mV[VW] = (F32)sd[++start_index].asReal();
        return rv;
}

// vector3d
LLSD ll_sd_from_vector3d(const LLVector3d& vec)
{
        LLSD rv;
        rv.append(vec.mdV[VX]);
        rv.append(vec.mdV[VY]);
        rv.append(vec.mdV[VZ]);
        return rv;
}

LLVector3d ll_vector3d_from_sd(const LLSD& sd, S32 start_index)
{
        LLVector3d rv;
        rv.mdV[VX] = sd[start_index].asReal();
        rv.mdV[VY] = sd[++start_index].asReal();
        rv.mdV[VZ] = sd[++start_index].asReal();
        return rv;
}

//vector2
LLSD ll_sd_from_vector2(const LLVector2& vec)
{
        LLSD rv;
        rv.append((F64)vec.mV[VX]);
        rv.append((F64)vec.mV[VY]);
        return rv;
}

LLVector2 ll_vector2_from_sd(const LLSD& sd)
{
        LLVector2 rv;
        rv.mV[VX] = (F32)sd[0].asReal();
        rv.mV[VY] = (F32)sd[1].asReal();
        return rv;
}

// Quaternion
LLSD ll_sd_from_quaternion(const LLQuaternion& quat)
{
        LLSD rv;
        rv.append((F64)quat.mQ[VX]);
        rv.append((F64)quat.mQ[VY]);
        rv.append((F64)quat.mQ[VZ]);
        rv.append((F64)quat.mQ[VW]);
        return rv;
}

LLQuaternion ll_quaternion_from_sd(const LLSD& sd)
{
        LLQuaternion quat;
        quat.mQ[VX] = (F32)sd[0].asReal();
        quat.mQ[VY] = (F32)sd[1].asReal();
        quat.mQ[VZ] = (F32)sd[2].asReal();
        quat.mQ[VW] = (F32)sd[3].asReal();
        return quat;
}

// color4
LLSD ll_sd_from_color4(const LLColor4& c)
{
        LLSD rv;
        rv.append(c.mV[0]);
        rv.append(c.mV[1]);
        rv.append(c.mV[2]);
        rv.append(c.mV[3]);
        return rv;
}

LLColor4 ll_color4_from_sd(const LLSD& sd)
{
        LLColor4 c;
        c.mV[0] = (F32)sd[0].asReal();
        c.mV[1] = (F32)sd[1].asReal();
        c.mV[2] = (F32)sd[2].asReal();
        c.mV[3] = (F32)sd[3].asReal();
        return c;
}

// U32
LLSD ll_sd_from_U32(const U32 val)
{
        std::vector<U8> v;
        U32 net_order = htonl(val);

        v.resize(4);
        memcpy(&(v[0]), &net_order, 4);         /* Flawfinder: ignore */

        return LLSD(v);
}

U32 ll_U32_from_sd(const LLSD& sd)
{
        U32 ret;
        std::vector<U8> v = sd.asBinary();
        if (v.size() < 4)
        {
                return 0;
        }
        memcpy(&ret, &(v[0]), 4);               /* Flawfinder: ignore */
        ret = ntohl(ret);
        return ret;
}

//U64
LLSD ll_sd_from_U64(const U64 val)
{
        std::vector<U8> v;
        U32 high, low;

        high = (U32)(val >> 32);
        low = (U32)val;
        high = htonl(high);
        low = htonl(low);

        v.resize(8);
        memcpy(&(v[0]), &high, 4);              /* Flawfinder: ignore */
        memcpy(&(v[4]), &low, 4);               /* Flawfinder: ignore */

        return LLSD(v);
}

U64 ll_U64_from_sd(const LLSD& sd)
{
        U32 high, low;
        std::vector<U8> v = sd.asBinary();

        if (v.size() < 8)
        {
                return 0;
        }

        memcpy(&high, &(v[0]), 4);              /* Flawfinder: ignore */
        memcpy(&low, &(v[4]), 4);               /* Flawfinder: ignore */
        high = ntohl(high);
        low = ntohl(low);

        return ((U64)high) << 32 | low;
}

// IP Address (stored in net order in a U32, so don't need swizzling)
LLSD ll_sd_from_ipaddr(const U32 val)
{
        std::vector<U8> v;

        v.resize(4);
        memcpy(&(v[0]), &val, 4);               /* Flawfinder: ignore */

        return LLSD(v);
}

U32 ll_ipaddr_from_sd(const LLSD& sd)
{
        U32 ret;
        std::vector<U8> v = sd.asBinary();
        if (v.size() < 4)
        {
                return 0;
        }
        memcpy(&ret, &(v[0]), 4);               /* Flawfinder: ignore */
        return ret;
}

// Converts an LLSD binary to an LLSD string
LLSD ll_string_from_binary(const LLSD& sd)
{
        std::vector<U8> value = sd.asBinary();
        std::string str;
        str.resize(value.size());
        memcpy(&str[0], &value[0], value.size());
        return str;
}

// Converts an LLSD string to an LLSD binary
LLSD ll_binary_from_string(const LLSD& sd)
{
        std::vector<U8> binary_value;

        LLString string_value = sd.asString();
        const char* string_p = string_value.c_str();
        while (*string_p)
        {
                binary_value.push_back(*string_p);
                string_p++;
        }

        binary_value.push_back('\0');

        return binary_value;
}

char* ll_print_sd(const LLSD& sd)
{
        const U32 bufferSize = 10 * 1024;
        static char buffer[bufferSize];
        std::ostringstream stream;
        //stream.rdbuf()->pubsetbuf(buffer, bufferSize);
        stream << LLSDOStreamer<LLSDXMLFormatter>(sd);
        stream << std::ends;
        strncpy(buffer, stream.str().c_str(), bufferSize);
        buffer[bufferSize - 1] = '\0';
        return buffer;
}

char* ll_pretty_print_sd(const LLSD& sd)
{
        const U32 bufferSize = 10 * 1024;
        static char buffer[bufferSize];
        std::ostringstream stream;
        //stream.rdbuf()->pubsetbuf(buffer, bufferSize);
        stream << LLSDOStreamer<LLSDXMLFormatter>(sd, LLSDFormatter::OPTIONS_PRETTY);
        stream << std::ends;
        strncpy(buffer, stream.str().c_str(), bufferSize);
        buffer[bufferSize - 1] = '\0';
        return buffer;
}

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