lscript_library.h
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- /**
- * @file lscript_library.h
- * @brief External library interface
- *
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * Copyright (c) 2002-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_LSCRIPT_LIBRARY_H
- #define LL_LSCRIPT_LIBRARY_H
- #include "lscript_byteformat.h"
- #include "v3math.h"
- #include "llquaternion.h"
- #include "lluuid.h"
- #include "lscript_byteconvert.h"
- class LLScriptLibData;
- class LLScriptLibraryFunction
- {
- public:
- LLScriptLibraryFunction(F32 eu, F32 st, void (*exec_func)(LLScriptLibData *, LLScriptLibData *, const LLUUID &), const char *name, const char *ret_type, const char *args, BOOL god_only = FALSE);
- ~LLScriptLibraryFunction();
- F32 mEnergyUse;
- F32 mSleepTime;
- void (*mExecFunc)(LLScriptLibData *, LLScriptLibData *, const LLUUID &);
- const char *mName;
- const char *mReturnType;
- const char *mArgs;
- BOOL mGodOnly;
- };
- class LLScriptLibrary
- {
- public:
- LLScriptLibrary();
- ~LLScriptLibrary();
- void init();
- void addFunction(F32 eu, F32 st, void (*exec_func)(LLScriptLibData *, LLScriptLibData *, const LLUUID &), const char *name, const char *ret_type, const char *args, BOOL god_only = FALSE);
- void assignExec(const char *name, void (*exec_func)(LLScriptLibData *, LLScriptLibData *, const LLUUID &));
- std::vector<LLScriptLibraryFunction> mFunctions;
- };
- class LLScriptLibData
- {
- public:
- // TODO: Change this to a union
- LSCRIPTType mType;
- S32 mInteger;
- F32 mFP;
- char *mKey;
- char *mString;
- LLVector3 mVec;
- LLQuaternion mQuat;
- LLScriptLibData *mListp;
- friend bool operator<=(const LLScriptLibData &a, const LLScriptLibData &b)
- {
- if (a.mType == b.mType)
- {
- if (a.mType == LST_INTEGER)
- {
- return a.mInteger <= b.mInteger;
- }
- if (a.mType == LST_FLOATINGPOINT)
- {
- return a.mFP <= b.mFP;
- }
- if (a.mType == LST_STRING)
- {
- return strcmp(a.mString, b.mString) <= 0;
- }
- if (a.mType == LST_KEY)
- {
- return strcmp(a.mKey, b.mKey) <= 0;
- }
- if (a.mType == LST_VECTOR)
- {
- return a.mVec.magVecSquared() <= b.mVec.magVecSquared();
- }
- }
- return TRUE;
- }
- friend bool operator==(const LLScriptLibData &a, const LLScriptLibData &b)
- {
- if (a.mType == b.mType)
- {
- if (a.mType == LST_INTEGER)
- {
- return a.mInteger == b.mInteger;
- }
- if (a.mType == LST_FLOATINGPOINT)
- {
- return a.mFP == b.mFP;
- }
- if (a.mType == LST_STRING)
- {
- return !strcmp(a.mString, b.mString);
- }
- if (a.mType == LST_KEY)
- {
- return !strcmp(a.mKey, b.mKey);
- }
- if (a.mType == LST_VECTOR)
- {
- return a.mVec == b.mVec;
- }
- if (a.mType == LST_QUATERNION)
- {
- return a.mQuat == b.mQuat;
- }
- }
- return FALSE;
- }
- S32 getListLength() const
- {
- const LLScriptLibData *data = this;
- S32 retval = 0;
- while (data->mListp)
- {
- retval++;
- data = data->mListp;
- }
- return retval;
- }
- BOOL checkForMultipleLists()
- {
- LLScriptLibData *data = this;
- while (data->mListp)
- {
- data = data->mListp;
- if (data->mType == LST_LIST)
- return TRUE;
- }
- return FALSE;
- }
- S32 getSavedSize()
- {
- S32 size = 0;
- // mType
- size += 4;
- switch(mType)
- {
- case LST_INTEGER:
- size += 4;
- break;
- case LST_FLOATINGPOINT:
- size += 4;
- break;
- case LST_KEY:
- size += (S32)strlen(mKey) + 1; /*Flawfinder: ignore*/
- break;
- case LST_STRING:
- size += (S32)strlen(mString) + 1; /*Flawfinder: ignore*/
- break;
- case LST_LIST:
- break;
- case LST_VECTOR:
- size += 12;
- break;
- case LST_QUATERNION:
- size += 16;
- break;
- default:
- break;
- }
- return size;
- }
- S32 write2bytestream(U8 *dest)
- {
- S32 offset = 0;
- integer2bytestream(dest, offset, mType);
- switch(mType)
- {
- case LST_INTEGER:
- integer2bytestream(dest, offset, mInteger);
- break;
- case LST_FLOATINGPOINT:
- float2bytestream(dest, offset, mFP);
- break;
- case LST_KEY:
- char2bytestream(dest, offset, mKey);
- break;
- case LST_STRING:
- char2bytestream(dest, offset, mString);
- break;
- case LST_LIST:
- break;
- case LST_VECTOR:
- vector2bytestream(dest, offset, mVec);
- break;
- case LST_QUATERNION:
- quaternion2bytestream(dest, offset, mQuat);
- break;
- default:
- break;
- }
- return offset;
- }
- LLScriptLibData() : mType(LST_NULL), mInteger(0), mFP(0.f), mKey(NULL), mString(NULL), mVec(), mQuat(), mListp(NULL)
- {
- }
- LLScriptLibData(const LLScriptLibData &data) : mType(data.mType), mInteger(data.mInteger), mFP(data.mFP), mKey(NULL), mString(NULL), mVec(data.mVec), mQuat(data.mQuat), mListp(NULL)
- {
- if (data.mKey)
- {
- mKey = new char[strlen(data.mKey) + 1]; /* Flawfinder: ignore */
- if (mKey == NULL)
- {
- llerrs << "Memory Allocation Failed" << llendl;
- return;
- }
- strcpy(mKey, data.mKey); /* Flawfinder: ignore */
- }
- if (data.mString)
- {
- mString = new char[strlen(data.mString) + 1]; /* Flawfinder: ignore */
- if (mString == NULL)
- {
- llerrs << "Memory Allocation Failed" << llendl;
- return;
- }
- strcpy(mString, data.mString); /* Flawfinder: ignore */
- }
- }
- LLScriptLibData(U8 *src, S32 &offset) : mListp(NULL)
- {
- static char temp[TOP_OF_MEMORY]; /* Flawfinder: ignore */
- mType = (LSCRIPTType)bytestream2integer(src, offset);
- switch(mType)
- {
- case LST_INTEGER:
- mInteger = bytestream2integer(src, offset);
- break;
- case LST_FLOATINGPOINT:
- mFP = bytestream2float(src, offset);
- break;
- case LST_KEY:
- {
- bytestream2char(temp, src, offset, sizeof(temp));
- mKey = new char[strlen(temp) + 1]; /* Flawfinder: ignore */
- if (mKey == NULL)
- {
- llerrs << "Memory Allocation Failed" << llendl;
- return;
- }
- strcpy(mKey, temp); /* Flawfinder: ignore */
- }
- break;
- case LST_STRING:
- {
- bytestream2char(temp, src, offset, sizeof(temp));
- mString = new char[strlen(temp) + 1]; /* Flawfinder: ignore */
- if (mString == NULL)
- {
- llerrs << "Memory Allocation Failed" << llendl;
- return;
- }
- strcpy(mString, temp); /* Flawfinder: ignore */
- }
- break;
- case LST_LIST:
- break;
- case LST_VECTOR:
- bytestream2vector(mVec, src, offset);
- break;
- case LST_QUATERNION:
- bytestream2quaternion(mQuat, src, offset);
- break;
- default:
- break;
- }
- }
- void set(U8 *src, S32 &offset)
- {
- static char temp[TOP_OF_MEMORY]; /* Flawfinder: ignore */
- mType = (LSCRIPTType)bytestream2integer(src, offset);
- switch(mType)
- {
- case LST_INTEGER:
- mInteger = bytestream2integer(src, offset);
- break;
- case LST_FLOATINGPOINT:
- mFP = bytestream2float(src, offset);
- break;
- case LST_KEY:
- {
- bytestream2char(temp, src, offset, sizeof(temp));
- mKey = new char[strlen(temp) + 1]; /* Flawfinder: ignore */
- if (mKey == NULL)
- {
- llerrs << "Memory Allocation Failed" << llendl;
- return;
- }
- strcpy(mKey, temp); /* Flawfinder: ignore */
- }
- break;
- case LST_STRING:
- {
- bytestream2char(temp, src, offset, sizeof(temp));
- mString = new char[strlen(temp) + 1]; /* Flawfinder: ignore */
- if (mString == NULL)
- {
- llerrs << "Memory Allocation Failed" << llendl;
- return;
- }
- strcpy(mString, temp); /* Flawfinder: ignore */
- }
- break;
- case LST_LIST:
- break;
- case LST_VECTOR:
- bytestream2vector(mVec, src, offset);
- break;
- case LST_QUATERNION:
- bytestream2quaternion(mQuat, src, offset);
- break;
- default:
- break;
- }
- }
- void print(std::ostream &s, BOOL b_prepend_comma);
- void print_separator(std::ostream& ostr, BOOL b_prepend_sep, char* sep);
- void setFromCSV(const char *src)
- {
- mType = LST_STRING;
- mString = new char[strlen(src) + 1]; /* Flawfinder: ignore */
- if (mString == NULL)
- {
- llerrs << "Memory Allocation Failed" << llendl;
- return;
- }
- strcpy(mString, src); /* Flawfinder: ignore */
- }
- LLScriptLibData(S32 integer) : mType(LST_INTEGER), mInteger(integer), mFP(0.f), mKey(NULL), mString(NULL), mVec(), mQuat(), mListp(NULL)
- {
- }
- LLScriptLibData(F32 fp) : mType(LST_FLOATINGPOINT), mInteger(0), mFP(fp), mKey(NULL), mString(NULL), mVec(), mQuat(), mListp(NULL)
- {
- }
- LLScriptLibData(const LLUUID &id) : mType(LST_KEY), mInteger(0), mFP(0.f), mKey(NULL), mString(NULL), mVec(), mQuat(), mListp(NULL)
- {
- std::string idstr;
- id.toString(idstr);
- mKey = new char[idstr.length()+1];
- LLStringUtil::copy(mKey,idstr.c_str(),idstr.length()+1);
- }
- LLScriptLibData(const char *string) : mType(LST_STRING), mInteger(0), mFP(0.f), mKey(NULL), mString(NULL), mVec(), mQuat(), mListp(NULL)
- {
- if (!string)
- {
- mString = new char[1];
- mString[0] = 0;
- }
- else
- {
- mString = new char[strlen(string) + 1]; /* Flawfinder: ignore */
- if (mString == NULL)
- {
- llerrs << "Memory Allocation Failed" << llendl;
- return;
- }
- strcpy(mString, string); /* Flawfinder: ignore */
- }
- }
- LLScriptLibData(const LLVector3 &vec) : mType(LST_VECTOR), mInteger(0), mFP(0.f), mKey(NULL), mString(NULL), mVec(vec), mQuat(), mListp(NULL)
- {
- }
- LLScriptLibData(const LLQuaternion &quat) : mType(LST_QUATERNION), mInteger(0), mFP(0.f), mKey(NULL), mString(NULL), mVec(), mQuat(quat), mListp(NULL)
- {
- }
- ~LLScriptLibData()
- {
- delete mListp;
- delete [] mKey;
- delete [] mString;
- }
- };
- extern LLScriptLibrary gScriptLibrary;
- #endif