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C++ NPT_InputStreamReference::GetSize方法代码示例

本文整理汇总了C++中NPT_InputStreamReference::GetSize方法的典型用法代码示例。如果您正苦于以下问题：C++ NPT_InputStreamReference::GetSize方法的具体用法？C++ NPT_InputStreamReference::GetSize怎么用？C++ NPT_InputStreamReference::GetSize使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NPT_InputStreamReference的用法示例。


在下文中一共展示了NPT_InputStreamReference::GetSize方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: file_stream_ref

/*----------------------------------------------------------------------
|   NPT_ZipFile::GetInputStream
+---------------------------------------------------------------------*/
NPT_Result
NPT_ZipFile::GetInputStream(Entry& entry, NPT_InputStreamReference& zip_stream, NPT_InputStream*& file_stream)
{
    // default return value
    file_stream = NULL;

    // we don't support encrypted files
    if (entry.m_Flags & NPT_ZIP_FILE_FLAG_ENCRYPTED) {
        return NPT_ERROR_NOT_SUPPORTED;
    }

    // check that we support the compression method
#if NPT_CONFIG_ENABLE_ZIP
    if (entry.m_CompressionMethod != NPT_ZIP_FILE_COMPRESSION_METHOD_NONE &&
            entry.m_CompressionMethod != NPT_ZIP_FILE_COMPRESSION_METHOD_DEFLATE) {
        return NPT_ERROR_NOT_SUPPORTED;
    }
#else
    if (entry.m_CompressionMethod != NPT_ZIP_FILE_COMPRESSION_METHOD_NONE) {
        return NPT_ERROR_NOT_SUPPORTED;
    }
#endif

    // seek to the start of the file entry
    NPT_Result result = zip_stream->Seek(entry.m_RelativeOffset);
    if (NPT_FAILED(result)) {
        NPT_LOG_WARNING_1("seek failed (%d)", result);
        return result;
    }

    // read the fixed part of the header
    unsigned char header[30];
    result = zip_stream->ReadFully(header, 30);
    if (NPT_FAILED(result)) {
        NPT_LOG_WARNING_1("read failed (%d)", result);
        return result;
    }

    NPT_UInt16 file_name_length   = NPT_BytesToInt16Le(&header[26]);
    NPT_UInt16 extra_field_length = NPT_BytesToInt16Le(&header[28]);

    unsigned int header_size = 30+file_name_length+extra_field_length;
    NPT_LargeSize zip_stream_size = 0;
    zip_stream->GetSize(zip_stream_size);
    if (entry.m_RelativeOffset+header_size+entry.m_CompressedSize > zip_stream_size) {
        // something's wrong here
        return NPT_ERROR_INVALID_FORMAT;
    }

    file_stream = new NPT_SubInputStream(zip_stream, entry.m_RelativeOffset+header_size, entry.m_CompressedSize);

#if NPT_CONFIG_ENABLE_ZIP
    if (entry.m_CompressionMethod == NPT_ZIP_FILE_COMPRESSION_METHOD_DEFLATE) {
        NPT_InputStreamReference file_stream_ref(file_stream);
        file_stream = new NPT_ZipInflatingInputStream(file_stream_ref, true);
    }
#endif

    return NPT_SUCCESS;
}
开发者ID:sandalsoft，项目名称:mrmc，代码行数:63，代码来源:NptZip.cpp

示例2: file

/*----------------------------------------------------------------------
|   PLT_FileMediaServer::OnAlbumArtRequest
+---------------------------------------------------------------------*/
NPT_Result 
PLT_FileMediaServer::OnAlbumArtRequest(NPT_HttpResponse& response,
                                       NPT_String        file_path)
{
    NPT_LargeSize            total_len;
    NPT_File                 file(file_path);
    NPT_InputStreamReference stream;

    // prevent hackers from accessing files outside of our root
    if ((file_path.Find("/..") >= 0) || (file_path.Find("\\..") >= 0)) {
        return NPT_FAILURE;
    }

    if (NPT_FAILED(file.Open(NPT_FILE_OPEN_MODE_READ)) || 
        NPT_FAILED(file.GetInputStream(stream))        || 
        NPT_FAILED(stream->GetSize(total_len)) || (total_len == 0)) {
        goto filenotfound;
    } else {
        NPT_String extension = NPT_FilePath::FileExtension(file_path);
        if (extension.GetLength() == 0) {
            goto filenotfound;
        }

        PLT_MetadataHandler* metadataHandler = NULL;
        char* caData;
        int   caDataLen;
        NPT_Result ret = NPT_ContainerFind(m_MetadataHandlers, 
                                           PLT_MetadataHandlerFinder(extension), 
                                           metadataHandler);
        if (NPT_FAILED(ret) || metadataHandler == NULL) {
            goto filenotfound;
        }
        // load the metadatahandler and read the cover art
        if (NPT_FAILED(metadataHandler->Load(*stream)) || 
            NPT_FAILED(metadataHandler->GetCoverArtData(caData, caDataLen))) {
            goto filenotfound;
        }
        
        PLT_HttpHelper::SetContentType(response, "application/octet-stream");
        PLT_HttpHelper::SetBody(response, caData, caDataLen);
        delete caData;
        return NPT_SUCCESS;
    }

filenotfound:
    response.SetStatus(404, "File Not Found");
    return NPT_SUCCESS;
}
开发者ID:，项目名称:，代码行数:51，代码来源:

示例3: file

/*----------------------------------------------------------------------
|   PLT_FileMediaServer::OnAlbumArtRequest
+---------------------------------------------------------------------*/
NPT_Result 
PLT_FileMediaServer::OnAlbumArtRequest(NPT_String filepath, NPT_HttpResponse& response)
{
    NPT_Size total_len;
    NPT_File file(filepath);
    NPT_InputStreamReference stream;

    if (NPT_FAILED(file.Open(NPT_FILE_OPEN_MODE_READ)) || NPT_FAILED(file.GetInputStream(stream)) || 
        NPT_FAILED(stream->GetSize(total_len)) || (total_len == 0)) {
        goto filenotfound;
    } else {
        const char* extension = PLT_MediaItem::GetExtFromFilePath(filepath, m_DirDelimiter);
        if (extension == NULL) {
            goto filenotfound;
        }

        PLT_MetadataHandler* metadataHandler = NULL;
        char* caData;
        int   caDataLen;
        NPT_Result ret = NPT_ContainerFind(m_MetadataHandlers, PLT_MetadataHandlerFinder(extension), metadataHandler);
        if (NPT_FAILED(ret) || metadataHandler == NULL) {
            goto filenotfound;
        }
        // load the metadatahandler and read the cover art
        if (NPT_FAILED(metadataHandler->Load(*stream)) || NPT_FAILED(metadataHandler->GetCoverArtData(caData, caDataLen))) {
            goto filenotfound;
        }
        PLT_HttpHelper::SetContentType(&response, "application/octet-stream");
        PLT_HttpHelper::SetBody(&response, caData, caDataLen);
        delete caData;
        return NPT_SUCCESS;
    }

filenotfound:
    response.SetStatus(404, "File Not Found");
    return NPT_SUCCESS;
}
开发者ID:Avoidnf8，项目名称:xbmc-fork，代码行数:40，代码来源:PltFileMediaServer.cpp

示例4: file

/*----------------------------------------------------------------------
|       main
+---------------------------------------------------------------------*/
int
main(int argc, char** argv)
{
    NPT_Result result;
    NPT_FileInfo info;
    
    NPT_ASSERT(NPT_File::GetInfo("foobar.doesnotexist", NULL) == NPT_ERROR_NO_SUCH_FILE);
    NPT_ASSERT(!NPT_File::Exists("foobar.doesnotexist"));
    
    // test special names
    NPT_File file(NPT_FILE_STANDARD_INPUT);
    NPT_ASSERT(NPT_SUCCEEDED(file.GetInfo(info)));
    NPT_ASSERT(info.m_Type == NPT_FileInfo::FILE_TYPE_SPECIAL);
    file = NPT_File(NPT_FILE_STANDARD_OUTPUT);
    
    NPT_ASSERT(NPT_SUCCEEDED(file.GetInfo(info)));
    NPT_ASSERT(info.m_Type == NPT_FileInfo::FILE_TYPE_SPECIAL);
    file = NPT_File(NPT_FILE_STANDARD_ERROR);
    NPT_ASSERT(NPT_SUCCEEDED(file.GetInfo(info)));
    NPT_ASSERT(info.m_Type == NPT_FileInfo::FILE_TYPE_SPECIAL);

    if (NPT_File::Exists("foobar.file1")) {
        result = NPT_File::RemoveFile("foobar.file1");
        NPT_ASSERT(NPT_SUCCEEDED(result));
    }
    
    result = CreateNewFile("foobar.file1", 9);
    NPT_ASSERT(NPT_SUCCEEDED(result));
    NPT_ASSERT(NPT_File::Exists("foobar.file1"));
    result = NPT_File::GetInfo("foobar.file1", &info);
    NPT_ASSERT(NPT_SUCCEEDED(result));
    NPT_ASSERT(info.m_Type == NPT_FileInfo::FILE_TYPE_REGULAR);
    NPT_ASSERT(info.m_Size == 9);
    
    {
        NPT_File f1("foobar.file1");
        result = f1.GetInfo(info);
        NPT_ASSERT(NPT_SUCCEEDED(result));
        NPT_ASSERT(info.m_Type == NPT_FileInfo::FILE_TYPE_REGULAR);
        NPT_ASSERT(info.m_Size == 9);
    }
    {
        NPT_File f1("foobar.file1");
        NPT_LargeSize size;
        result = f1.GetSize(size);
        NPT_ASSERT(NPT_SUCCEEDED(result));
        NPT_ASSERT(size == 9);
    }
    
    {
        NPT_File f1("foobar.file1");
        result = f1.Rename("foobar.file1-r");
        NPT_ASSERT(NPT_SUCCEEDED(result));
        NPT_ASSERT(f1.GetPath() == "foobar.file1-r");
    }
    NPT_ASSERT(NPT_File::Exists("foobar.file1-r"));
    result = NPT_File::GetInfo("foobar.file1-r", &info);
    NPT_ASSERT(NPT_SUCCEEDED(result));
    NPT_ASSERT(info.m_Type == NPT_FileInfo::FILE_TYPE_REGULAR);
    NPT_ASSERT(info.m_Size == 9);

    // dirs
    NPT_ASSERT(!NPT_File::Exists("foobar.dir"));
    result = NPT_File::CreateDir("foobar.dir");
    NPT_ASSERT(NPT_SUCCEEDED(result));
    result = NPT_File::GetInfo("foobar.dir", &info);
    NPT_ASSERT(NPT_SUCCEEDED(result));
    NPT_ASSERT(info.m_Type == NPT_FileInfo::FILE_TYPE_DIRECTORY);
    {
        NPT_File f1("foobar.dir");
        result = f1.GetInfo(info);
        NPT_ASSERT(NPT_SUCCEEDED(result));
        NPT_ASSERT(info.m_Type == NPT_FileInfo::FILE_TYPE_DIRECTORY);
    }

    NPT_String dirname = "foobar.dir";
    NPT_String fname;
    fname = dirname;
    fname += NPT_FilePath::Separator;
    fname += "file1";
    result = CreateNewFile(fname, 1);
    NPT_ASSERT(NPT_SUCCEEDED(result));
    fname = dirname;
    fname += NPT_FilePath::Separator;
    fname += "file2";
    result = CreateNewFile(fname, 2);
    NPT_ASSERT(NPT_SUCCEEDED(result));
    fname = dirname;
    fname += NPT_FilePath::Separator;
    fname += "file3";
    result = CreateNewFile(fname, 3);
    NPT_ASSERT(NPT_SUCCEEDED(result));

    NPT_List<NPT_String> entries;
    result = NPT_File::ListDir("foobar.dir", entries);
    NPT_ASSERT(NPT_SUCCEEDED(result));
    NPT_ASSERT(entries.GetItemCount() == 3);
//.........这里部分代码省略.........
开发者ID:AWilco，项目名称:xbmc，代码行数:101，代码来源:FileTest1.cpp


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