C++ LLString::substr方法代码示例

// Reads a .tga file and creates an LLImageTGA with its data.
bool LLImageTGA::loadFile( const LLString& path )
{
	S32 len = path.size();
	if( len < 5 )
	{
		return false;
	}
	
	LLString extension = path.substr( len - 4, 4 );
	LLString::toLower(extension);
	if( ".tga" != extension )
	{
		return false;
	}
	
	FILE* file = LLFile::fopen(path.c_str(), "rb");	/* Flawfinder: ignore */
	if( !file )
	{
		llwarns << "Couldn't open file " << path << llendl;
		return false;
	}

	S32 file_size = 0;
	if (!fseek(file, 0, SEEK_END))
	{
		file_size = ftell(file);
		fseek(file, 0, SEEK_SET);
	}

	U8* buffer = allocateData(file_size);
	S32 bytes_read = fread(buffer, 1, file_size, file);
	if( bytes_read != file_size )
	{
		deleteData();
		llwarns << "Couldn't read file " << path << llendl;
		return false;
	}

	fclose( file );

	if( !updateData() )
	{
		llwarns << "Couldn't decode file " << path << llendl;
		deleteData();
		return false;
	}
	return true;
}

BOOL process_secondlife_url(LLString url)
{
	S32 strpos, strpos2;

	LLString slurlID = "slurl.com/secondlife/";
	strpos = url.find(slurlID);
	
	if (strpos < 0)
	{
		slurlID="secondlife://";
		strpos = url.find(slurlID);
	}
	
	if (strpos >= 0) 
	{
		LLString simname;

		strpos+=slurlID.length();
		strpos2=url.find("/",strpos);
		if (strpos2 < strpos) strpos2=url.length();
		simname="secondlife://" + url.substr(strpos,url.length() - strpos);

		LLURLSimString::setString( simname );
		LLURLSimString::parse();

		// if there is a world map
		if ( gFloaterWorldMap )
		{
			// mark where the destination is
			gFloaterWorldMap->trackURL( LLURLSimString::sInstance.mSimName.c_str(),
										LLURLSimString::sInstance.mX,
										LLURLSimString::sInstance.mY,
										LLURLSimString::sInstance.mZ );

			// display map
			LLFloaterWorldMap::show( NULL, TRUE );
		};

		return TRUE;
	}
	return FALSE;
}

U32 LLControlGroup::loadFromFileLegacy(const LLString& filename, BOOL require_declaration, eControlType declare_as)
{
	U32		item = 0;
	U32		validitems = 0;
	llifstream file;
	S32 version;
	
	file.open(filename.c_str());		/*Flawfinder: ignore*/ 

	if (!file)
	{
		llinfos << "LLControlGroup::loadFromFile unable to open." << llendl;
		return 0;
	}

	// Check file version
	LLString name;
	file >> name;
	file >> version;
	if (name != "version" || version != CURRENT_VERSION)
	{
		llinfos << filename << " does not appear to be a version " << CURRENT_VERSION << " controls file" << llendl;
		return 0;
	}

	while (!file.eof())
	{
		file >> name;
		
		if (name.empty())
		{
			continue;
		}

		if (name.substr(0,2) == "//")
		{
			// This is a comment.
			char buffer[MAX_STRING];		/*Flawfinder: ignore*/
			file.getline(buffer, MAX_STRING);
			continue;
		}

		BOOL declared = mNameTable.find(name) != mNameTable.end();

		if (require_declaration && !declared)
		{
			// Declaration required, but this name not declared.
			// Complain about non-empty names.
			if (!name.empty())
			{
				//read in to end of line
				char buffer[MAX_STRING];		/*Flawfinder: ignore*/
				file.getline(buffer, MAX_STRING);
				llwarns << "LLControlGroup::loadFromFile() : Trying to set \"" << name << "\", setting doesn't exist." << llendl;
			}
			continue;
		}

		// Got an item.  Load it up.
		item++;

		// If not declared, assume it's a string
		if (!declared)
		{
			switch(declare_as)
			{
			case TYPE_COL4:
				declareColor4(name, LLColor4::white, LLString::null, NO_PERSIST);
				break;
			case TYPE_COL4U:
				declareColor4U(name, LLColor4U::white, LLString::null, NO_PERSIST);
				break;
			case TYPE_STRING:
			default:
				declareString(name, LLString::null, LLString::null, NO_PERSIST);
				break;
			}
		}

		// Control name has been declared in code.
		LLControlBase *control = getControl(name);

		llassert(control);

		mLoadedSettings.insert(name);
		
		switch(control->mType)
		{
		case TYPE_F32:
			{
				F32 initial;

				file >> initial;

				control->set(initial);
				validitems++;
			}
			break;
		case TYPE_S32:
			{
//.........这里部分代码省略.........

void upload_new_resource(const LLString& src_filename, std::string name,
						 std::string desc, S32 compression_info,
						 LLAssetType::EType destination_folder_type,
						 LLInventoryType::EType inv_type,
						 U32 next_owner_perm,
						 const LLString& display_name,
						 LLAssetStorage::LLStoreAssetCallback callback,
						 void *userdata)
{	
	// Generate the temporary UUID.
	LLString filename = gDirUtilp->getTempFilename();
	LLTransactionID tid;
	LLAssetID uuid;
	
	LLStringBase<char>::format_map_t args;

	LLString ext = src_filename.substr(src_filename.find_last_of('.'));
	LLAssetType::EType asset_type = LLAssetType::AT_NONE;
	char error_message[MAX_STRING];		/* Flawfinder: ignore */	
	error_message[0] = '\0';
	LLString temp_str;

	BOOL error = FALSE;
	
	if (ext.empty())
	{
		LLString::size_type offset = filename.find_last_of(gDirUtilp->getDirDelimiter());
		if (offset != LLString::npos)
			offset++;
		LLString short_name = filename.substr(offset);
		
		// No extension
		snprintf(error_message,		/* Flawfinder: ignore */
				MAX_STRING,
				"No file extension for the file: '%s'\nPlease make sure the file has a correct file extension",
				short_name.c_str());
		args["[FILE]"] = short_name;
 		upload_error(error_message, "NofileExtension", filename, args);
		return;
	}
	else if( LLString::compareInsensitive(ext.c_str(),".bmp") == 0 )
	{
		asset_type = LLAssetType::AT_TEXTURE;
		if (!LLViewerImageList::createUploadFile(src_filename,
												 filename,
												 IMG_CODEC_BMP ))
		{
			snprintf(error_message, MAX_STRING, "Problem with file %s:\n\n%s\n",		/* Flawfinder: ignore */
					src_filename.c_str(), LLImageBase::getLastError().c_str());
			args["[FILE]"] = src_filename;
			args["[ERROR]"] = LLImageBase::getLastError();
			upload_error(error_message, "ProblemWithFile", filename, args);
			return;
		}
	}
	else if( LLString::compareInsensitive(ext.c_str(),".tga") == 0 )
	{
		asset_type = LLAssetType::AT_TEXTURE;
		if (!LLViewerImageList::createUploadFile(src_filename,
												 filename,
												 IMG_CODEC_TGA ))
		{
			snprintf(error_message, MAX_STRING, "Problem with file %s:\n\n%s\n",		/* Flawfinder: ignore */
					src_filename.c_str(), LLImageBase::getLastError().c_str());
			args["[FILE]"] = src_filename;
			args["[ERROR]"] = LLImageBase::getLastError();
			upload_error(error_message, "ProblemWithFile", filename, args);
			return;
		}
	}
	else if( LLString::compareInsensitive(ext.c_str(),".jpg") == 0 || LLString::compareInsensitive(ext.c_str(),".jpeg") == 0)
	{
		asset_type = LLAssetType::AT_TEXTURE;
		if (!LLViewerImageList::createUploadFile(src_filename,
												 filename,
												 IMG_CODEC_JPEG ))
		{
			snprintf(error_message, MAX_STRING, "Problem with file %s:\n\n%s\n",		/* Flawfinder: ignore */
					src_filename.c_str(), LLImageBase::getLastError().c_str());
			args["[FILE]"] = src_filename;
			args["[ERROR]"] = LLImageBase::getLastError();
			upload_error(error_message, "ProblemWithFile", filename, args);
			return;
		}
	}
	else if(LLString::compareInsensitive(ext.c_str(),".wav") == 0)
	{
		asset_type = LLAssetType::AT_SOUND;  // tag it as audio
		S32 encode_result = 0;

		S32 bitrate = 128;

		if (compression_info)
		{
			bitrate = compression_info;
		}
		llinfos << "Attempting to encode wav as an ogg file at " << bitrate << "kbps" << llendl;

		encode_result = encode_vorbis_file_at(src_filename.c_str(), filename.c_str(), bitrate*1000);
		
//.........这里部分代码省略.........