/** * @file llnamevalue.cpp * @brief class for defining name value pairs. * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ // Examples: // AvatarCharacter STRING RW DSV male1 #include "linden_common.h" #include "llnamevalue.h" #include "u64.h" #include "llstring.h" #include "llstringtable.h" // Anonymous enumeration to provide constants in this file. // *NOTE: These values may be used in sscanf statements below as their // value-1, so search for '2047' if you cange NV_BUFFER_LEN or '63' if // you change U64_BUFFER_LEN. enum { NV_BUFFER_LEN = 2048, U64_BUFFER_LEN = 64 }; LLStringTable gNVNameTable(256); char NameValueTypeStrings[NVT_EOF][NAME_VALUE_TYPE_STRING_LENGTH] = /*Flawfinder: Ignore*/ { "NULL", "STRING", "F32", "S32", "VEC3", "U32", "CAMERA", // Deprecated, but leaving in case removing completely would cause problems "ASSET", "U64" }; char NameValueClassStrings[NVC_EOF][NAME_VALUE_CLASS_STRING_LENGTH] = /*Flawfinder: Ignore*/ { "NULL", "R", // read only "RW" // read write }; char NameValueSendtoStrings[NVS_EOF][NAME_VALUE_SENDTO_STRING_LENGTH] = /*Flawfinder: Ignore*/ { "NULL", "S", // "Sim", formerly SIM "DS", // "Data Sim" formerly SIM_SPACE "SV", // "Sim Viewer" formerly SIM_VIEWER "DSV" // "Data Sim Viewer", formerly SIM_SPACE_VIEWER }; /*Flawfinder: Ignore*/ // // Class // LLNameValue::LLNameValue() { baseInit(); } void LLNameValue::baseInit() { mNVNameTable = &gNVNameTable; mName = NULL; mNameValueReference.string = NULL; mType = NVT_NULL; mStringType = NameValueTypeStrings[NVT_NULL]; mClass = NVC_NULL; mStringClass = NameValueClassStrings[NVC_NULL]; mSendto = NVS_NULL; mStringSendto = NameValueSendtoStrings[NVS_NULL]; } void LLNameValue::init(const char *name, const char *data, const char *type, const char *nvclass, const char *nvsendto) { mNVNameTable = &gNVNameTable; mName = mNVNameTable->addString(name); // Nota Bene: Whatever global structure manages this should have these in the name table already! mStringType = mNVNameTable->addString(type); if (!strcmp(mStringType, "STRING")) { S32 string_length = (S32)strlen(data); /*Flawfinder: Ignore*/ mType = NVT_STRING; delete[] mNameValueReference.string; // two options here. . . data can either look like foo or "foo" // WRONG! - this is a poorly implemented and incomplete escape // mechanism. For example, using this scheme, there is no way // to tell an intentional double quotes from a zero length // string. This needs to excised. Phoenix //if (strchr(data, '\"')) //{ // string_length -= 2; // mNameValueReference.string = new char[string_length + 1];; // strncpy(mNameValueReference.string, data + 1, string_length); //} //else //{ mNameValueReference.string = new char[string_length + 1];; strncpy(mNameValueReference.string, data, string_length); /*Flawfinder: Ignore*/ //} mNameValueReference.string[string_length] = 0; } else if (!strcmp(mStringType, "F32")) { mType = NVT_F32; mNameValueReference.f32 = new F32((F32)atof(data)); } else if (!strcmp(mStringType, "S32")) { mType = NVT_S32; mNameValueReference.s32 = new S32(atoi(data)); } else if (!strcmp(mStringType, "U64")) { mType = NVT_U64; mNameValueReference.u64 = new U64(str_to_U64(ll_safe_string(data))); } else if (!strcmp(mStringType, "VEC3")) { mType = NVT_VEC3; F32 t1, t2, t3; // two options here. . . data can either look like 0, 1, 2 or <0, 1, 2> if (strchr(data, '<')) { sscanf(data, "<%f, %f, %f>", &t1, &t2, &t3); } else { sscanf(data, "%f, %f, %f", &t1, &t2, &t3); } // finite checks if (!llfinite(t1) || !llfinite(t2) || !llfinite(t3)) { t1 = 0.f; t2 = 0.f; t3 = 0.f; } mNameValueReference.vec3 = new LLVector3(t1, t2, t3); } else if (!strcmp(mStringType, "U32")) { mType = NVT_U32; mNameValueReference.u32 = new U32(atoi(data)); } else if(!strcmp(mStringType, (const char*)NameValueTypeStrings[NVT_ASSET])) { // assets are treated like strings, except that the name has // meaning to an LLAssetInfo object S32 string_length = (S32)strlen(data); /*Flawfinder: Ignore*/ mType = NVT_ASSET; // two options here. . . data can either look like foo or "foo" // WRONG! - this is a poorly implemented and incomplete escape // mechanism. For example, using this scheme, there is no way // to tell an intentional double quotes from a zero length // string. This needs to excised. Phoenix //if (strchr(data, '\"')) //{ // string_length -= 2; // mNameValueReference.string = new char[string_length + 1];; // strncpy(mNameValueReference.string, data + 1, string_length); //} //else //{ mNameValueReference.string = new char[string_length + 1];; strncpy(mNameValueReference.string, data, string_length); /*Flawfinder: Ignore*/ //} mNameValueReference.string[string_length] = 0; } else { LL_WARNS() << "Unknown name value type string " << mStringType << " for " << mName << LL_ENDL; mType = NVT_NULL; } // Nota Bene: Whatever global structure manages this should have these in the name table already! if (!strcmp(nvclass, "R") || !strcmp(nvclass, "READ_ONLY")) // legacy { mClass = NVC_READ_ONLY; mStringClass = mNVNameTable->addString("R"); } else if (!strcmp(nvclass, "RW") || !strcmp(nvclass, "READ_WRITE")) // legacy { mClass = NVC_READ_WRITE; mStringClass = mNVNameTable->addString("RW"); } else { // assume it's bad mClass = NVC_NULL; mStringClass = mNVNameTable->addString(nvclass); } // Initialize the sendto variable if (!strcmp(nvsendto, "S") || !strcmp(nvsendto, "SIM")) // legacy { mSendto = NVS_SIM; mStringSendto = mNVNameTable->addString("S"); } else if (!strcmp(nvsendto, "DS") || !strcmp(nvsendto, "SIM_SPACE")) // legacy { mSendto = NVS_DATA_SIM; mStringSendto = mNVNameTable->addString("DS"); } else if (!strcmp(nvsendto, "SV") || !strcmp(nvsendto, "SIM_VIEWER")) // legacy { mSendto = NVS_SIM_VIEWER; mStringSendto = mNVNameTable->addString("SV"); } else if (!strcmp(nvsendto, "DSV") || !strcmp(nvsendto, "SIM_SPACE_VIEWER")) // legacy { mSendto = NVS_DATA_SIM_VIEWER; mStringSendto = mNVNameTable->addString("DSV"); } else { LL_WARNS() << "LLNameValue::init() - unknown sendto field " << nvsendto << " for NV " << mName << LL_ENDL; mSendto = NVS_NULL; mStringSendto = mNVNameTable->addString("S"); } } LLNameValue::LLNameValue(const char *name, const char *data, const char *type, const char *nvclass) { baseInit(); // if not specified, send to simulator only init(name, data, type, nvclass, "SIM"); } LLNameValue::LLNameValue(const char *name, const char *data, const char *type, const char *nvclass, const char *nvsendto) { baseInit(); init(name, data, type, nvclass, nvsendto); } // Initialize without any initial data. LLNameValue::LLNameValue(const char *name, const char *type, const char *nvclass) { baseInit(); mName = mNVNameTable->addString(name); // Nota Bene: Whatever global structure manages this should have these in the name table already! mStringType = mNVNameTable->addString(type); if (!strcmp(mStringType, "STRING")) { mType = NVT_STRING; mNameValueReference.string = NULL; } else if (!strcmp(mStringType, "F32")) { mType = NVT_F32; mNameValueReference.f32 = NULL; } else if (!strcmp(mStringType, "S32")) { mType = NVT_S32; mNameValueReference.s32 = NULL; } else if (!strcmp(mStringType, "VEC3")) { mType = NVT_VEC3; mNameValueReference.vec3 = NULL; } else if (!strcmp(mStringType, "U32")) { mType = NVT_U32; mNameValueReference.u32 = NULL; } else if (!strcmp(mStringType, "U64")) { mType = NVT_U64; mNameValueReference.u64 = NULL; } else if(!strcmp(mStringType, (const char*)NameValueTypeStrings[NVT_ASSET])) { mType = NVT_ASSET; mNameValueReference.string = NULL; } else { mType = NVT_NULL; LL_INFOS() << "Unknown name-value type " << mStringType << LL_ENDL; } // Nota Bene: Whatever global structure manages this should have these in the name table already! mStringClass = mNVNameTable->addString(nvclass); if (!strcmp(mStringClass, "READ_ONLY")) { mClass = NVC_READ_ONLY; } else if (!strcmp(mStringClass, "READ_WRITE")) { mClass = NVC_READ_WRITE; } else { mClass = NVC_NULL; } // Initialize the sendto variable mStringSendto = mNVNameTable->addString("SIM"); mSendto = NVS_SIM; } // data is in the format: // "NameValueName Type Class Data" LLNameValue::LLNameValue(const char *data) { baseInit(); static char name[NV_BUFFER_LEN]; /*Flawfinder: ignore*/ static char type[NV_BUFFER_LEN]; /*Flawfinder: ignore*/ static char nvclass[NV_BUFFER_LEN]; /*Flawfinder: ignore*/ static char nvsendto[NV_BUFFER_LEN]; /*Flawfinder: ignore*/ static char nvdata[NV_BUFFER_LEN]; /*Flawfinder: ignore*/ S32 i; S32 character_count = 0; S32 length = 0; // go to first non-whitespace character while (1) { if ( (*(data + character_count) == ' ') ||(*(data + character_count) == '\n') ||(*(data + character_count) == '\t') ||(*(data + character_count) == '\r')) { character_count++; } else { break; } } // read in the name sscanf((data + character_count), "%2047s", name); /*Flawfinder: ignore*/ // bump past it and add null terminator length = (S32)strlen(name); /* Flawfinder: ignore */ name[length] = 0; character_count += length; // go to the next non-whitespace character while (1) { if ( (*(data + character_count) == ' ') ||(*(data + character_count) == '\n') ||(*(data + character_count) == '\t') ||(*(data + character_count) == '\r')) { character_count++; } else { break; } } // read in the type sscanf((data + character_count), "%2047s", type); /*Flawfinder: ignore*/ // bump past it and add null terminator length = (S32)strlen(type); /* Flawfinder: ignore */ type[length] = 0; character_count += length; // go to the next non-whitespace character while (1) { if ( (*(data + character_count) == ' ') ||(*(data + character_count) == '\n') ||(*(data + character_count) == '\t') ||(*(data + character_count) == '\r')) { character_count++; } else { break; } } // do we have a type argument? for (i = NVC_READ_ONLY; i < NVC_EOF; i++) { if (!strncmp(NameValueClassStrings[i], data + character_count, strlen(NameValueClassStrings[i]))) /* Flawfinder: ignore */ { break; } } if (i != NVC_EOF) { // yes we do! // read in the class sscanf((data + character_count), "%2047s", nvclass); /*Flawfinder: ignore*/ // bump past it and add null terminator length = (S32)strlen(nvclass); /* Flawfinder: ignore */ nvclass[length] = 0; character_count += length; // go to the next non-whitespace character while (1) { if ( (*(data + character_count) == ' ') ||(*(data + character_count) == '\n') ||(*(data + character_count) == '\t') ||(*(data + character_count) == '\r')) { character_count++; } else { break; } } } else { // no type argument given, default to read-write strncpy(nvclass, "READ_WRITE", sizeof(nvclass) -1); /* Flawfinder: ignore */ nvclass[sizeof(nvclass) -1] = '\0'; } // Do we have a sendto argument? for (i = NVS_SIM; i < NVS_EOF; i++) { if (!strncmp(NameValueSendtoStrings[i], data + character_count, strlen(NameValueSendtoStrings[i]))) /* Flawfinder: ignore */ { break; } } if (i != NVS_EOF) { // found a sendto argument sscanf((data + character_count), "%2047s", nvsendto); /*Flawfinder: ignore*/ // add null terminator length = (S32)strlen(nvsendto); /* Flawfinder: ignore */ nvsendto[length] = 0; character_count += length; // seek to next non-whitespace characer while (1) { if ( (*(data + character_count) == ' ') ||(*(data + character_count) == '\n') ||(*(data + character_count) == '\t') ||(*(data + character_count) == '\r')) { character_count++; } else { break; } } } else { // no sendto argument given, default to sim only strncpy(nvsendto, "SIM", sizeof(nvsendto) -1); /* Flawfinder: ignore */ nvsendto[sizeof(nvsendto) -1] ='\0'; } // copy the rest character by character into data length = 0; while ( (*(nvdata + length++) = *(data + character_count++)) ) ; init(name, nvdata, type, nvclass, nvsendto); } LLNameValue::~LLNameValue() { mNVNameTable->removeString(mName); mName = NULL; switch(mType) { case NVT_STRING: case NVT_ASSET: delete [] mNameValueReference.string; mNameValueReference.string = NULL; break; case NVT_F32: delete mNameValueReference.f32; mNameValueReference.string = NULL; break; case NVT_S32: delete mNameValueReference.s32; mNameValueReference.string = NULL; break; case NVT_VEC3: delete mNameValueReference.vec3; mNameValueReference.string = NULL; break; case NVT_U32: delete mNameValueReference.u32; mNameValueReference.u32 = NULL; break; case NVT_U64: delete mNameValueReference.u64; mNameValueReference.u64 = NULL; break; default: break; } delete[] mNameValueReference.string; mNameValueReference.string = NULL; } char *LLNameValue::getString() { if (mType == NVT_STRING) { return mNameValueReference.string; } else { LL_ERRS() << mName << " not a string!" << LL_ENDL; return NULL; } } const char *LLNameValue::getAsset() const { if (mType == NVT_ASSET) { return mNameValueReference.string; } else { LL_ERRS() << mName << " not an asset!" << LL_ENDL; return NULL; } } F32 *LLNameValue::getF32() { if (mType == NVT_F32) { return mNameValueReference.f32; } else { LL_ERRS() << mName << " not a F32!" << LL_ENDL; return NULL; } } S32 *LLNameValue::getS32() { if (mType == NVT_S32) { return mNameValueReference.s32; } else { LL_ERRS() << mName << " not a S32!" << LL_ENDL; return NULL; } } U32 *LLNameValue::getU32() { if (mType == NVT_U32) { return mNameValueReference.u32; } else { LL_ERRS() << mName << " not a U32!" << LL_ENDL; return NULL; } } U64 *LLNameValue::getU64() { if (mType == NVT_U64) { return mNameValueReference.u64; } else { LL_ERRS() << mName << " not a U64!" << LL_ENDL; return NULL; } } void LLNameValue::getVec3(LLVector3 &vec) { if (mType == NVT_VEC3) { vec = *mNameValueReference.vec3; } else { LL_ERRS() << mName << " not a Vec3!" << LL_ENDL; } } LLVector3 *LLNameValue::getVec3() { if (mType == NVT_VEC3) { return (mNameValueReference.vec3); } else { LL_ERRS() << mName << " not a Vec3!" << LL_ENDL; return NULL; } } bool LLNameValue::sendToData() const { return (mSendto == NVS_DATA_SIM || mSendto == NVS_DATA_SIM_VIEWER); } bool LLNameValue::sendToViewer() const { return (mSendto == NVS_SIM_VIEWER || mSendto == NVS_DATA_SIM_VIEWER); } LLNameValue &LLNameValue::operator=(const LLNameValue &a) { if (mType != a.mType) { return *this; } if (mClass == NVC_READ_ONLY) return *this; switch(a.mType) { case NVT_STRING: case NVT_ASSET: if (mNameValueReference.string) delete [] mNameValueReference.string; mNameValueReference.string = new char [strlen(a.mNameValueReference.string) + 1]; /* Flawfinder: ignore */ if(mNameValueReference.string != NULL) { strcpy(mNameValueReference.string, a.mNameValueReference.string); /* Flawfinder: ignore */ } break; case NVT_F32: *mNameValueReference.f32 = *a.mNameValueReference.f32; break; case NVT_S32: *mNameValueReference.s32 = *a.mNameValueReference.s32; break; case NVT_VEC3: *mNameValueReference.vec3 = *a.mNameValueReference.vec3; break; case NVT_U32: *mNameValueReference.u32 = *a.mNameValueReference.u32; break; case NVT_U64: *mNameValueReference.u64 = *a.mNameValueReference.u64; break; default: LL_ERRS() << "Unknown Name value type " << (U32)a.mType << LL_ENDL; break; } return *this; } void LLNameValue::setString(const char *a) { if (mClass == NVC_READ_ONLY) return; switch(mType) { case NVT_STRING: if (a) { if (mNameValueReference.string) { delete [] mNameValueReference.string; } mNameValueReference.string = new char [strlen(a) + 1]; /* Flawfinder: ignore */ if(mNameValueReference.string != NULL) { strcpy(mNameValueReference.string, a); /* Flawfinder: ignore */ } } else { if (mNameValueReference.string) delete [] mNameValueReference.string; mNameValueReference.string = new char [1]; mNameValueReference.string[0] = 0; } break; default: break; } return; } void LLNameValue::setAsset(const char *a) { if (mClass == NVC_READ_ONLY) return; switch(mType) { case NVT_ASSET: if (a) { if (mNameValueReference.string) { delete [] mNameValueReference.string; } mNameValueReference.string = new char [strlen(a) + 1]; /* Flawfinder: ignore */ if(mNameValueReference.string != NULL) { strcpy(mNameValueReference.string, a); /* Flawfinder: ignore */ } } else { if (mNameValueReference.string) delete [] mNameValueReference.string; mNameValueReference.string = new char [1]; mNameValueReference.string[0] = 0; } break; default: break; } } void LLNameValue::setF32(const F32 a) { if (mClass == NVC_READ_ONLY) return; switch(mType) { case NVT_F32: *mNameValueReference.f32 = a; break; default: break; } return; } void LLNameValue::setS32(const S32 a) { if (mClass == NVC_READ_ONLY) return; switch(mType) { case NVT_S32: *mNameValueReference.s32 = a; break; case NVT_U32: *mNameValueReference.u32 = a; break; case NVT_F32: *mNameValueReference.f32 = (F32)a; break; default: break; } return; } void LLNameValue::setU32(const U32 a) { if (mClass == NVC_READ_ONLY) return; switch(mType) { case NVT_S32: *mNameValueReference.s32 = a; break; case NVT_U32: *mNameValueReference.u32 = a; break; case NVT_F32: *mNameValueReference.f32 = (F32)a; break; default: LL_ERRS() << "NameValue: Trying to set U32 into a " << mStringType << ", unknown conversion" << LL_ENDL; break; } return; } void LLNameValue::setVec3(const LLVector3 &a) { if (mClass == NVC_READ_ONLY) return; switch(mType) { case NVT_VEC3: *mNameValueReference.vec3 = a; break; default: LL_ERRS() << "NameValue: Trying to set LLVector3 into a " << mStringType << ", unknown conversion" << LL_ENDL; break; } return; } std::string LLNameValue::printNameValue() const { std::string buffer; buffer = llformat("%s %s %s %s ", mName, mStringType, mStringClass, mStringSendto); buffer += printData(); // LL_INFOS() << "Name Value Length: " << buffer.size() + 1 << LL_ENDL; return buffer; } std::string LLNameValue::printData() const { std::string buffer; switch(mType) { case NVT_STRING: case NVT_ASSET: buffer = mNameValueReference.string; break; case NVT_F32: buffer = llformat("%f", *mNameValueReference.f32); break; case NVT_S32: buffer = llformat("%d", *mNameValueReference.s32); break; case NVT_U32: buffer = llformat("%u", *mNameValueReference.u32); break; case NVT_U64: { char u64_string[U64_BUFFER_LEN]; /* Flawfinder: ignore */ U64_to_str(*mNameValueReference.u64, u64_string, sizeof(u64_string)); buffer = u64_string; } break; case NVT_VEC3: buffer = llformat( "%f, %f, %f", mNameValueReference.vec3->mV[VX], mNameValueReference.vec3->mV[VY], mNameValueReference.vec3->mV[VZ]); break; default: LL_ERRS() << "Trying to print unknown NameValue type " << mStringType << LL_ENDL; break; } return buffer; } std::ostream& operator<<(std::ostream& s, const LLNameValue &a) { switch(a.mType) { case NVT_STRING: case NVT_ASSET: s << a.mNameValueReference.string; break; case NVT_F32: s << (*a.mNameValueReference.f32); break; case NVT_S32: s << *(a.mNameValueReference.s32); break; case NVT_U32: s << *(a.mNameValueReference.u32); break; case NVT_U64: { char u64_string[U64_BUFFER_LEN]; /* Flawfinder: ignore */ U64_to_str(*a.mNameValueReference.u64, u64_string, sizeof(u64_string)); s << u64_string; } break; case NVT_VEC3: s << *(a.mNameValueReference.vec3); break; default: LL_ERRS() << "Trying to print unknown NameValue type " << a.mStringType << LL_ENDL; break; } return s; }