static void _streamFill(void)
{
// do we have any free packets?
if (XMEDIAPACKET_STATUS_PENDING !=
s_pState->m_Stream.m_PacketStatus[s_pState->m_Stream.m_CurrentPacket])
{
// get some data
int size = _streamFromFile();
if (size > 0)
{
_streamToVoice(size);
// next packet...
++s_pState->m_Stream.m_CurrentPacket;
s_pState->m_Stream.m_CurrentPacket %= QAL_MAX_STREAM_PACKETS;
}
if (!s_pState->m_Stream.m_Playing)
{
// Non-looping stream finished playback
s_pState->m_Stream.m_pVoice->Discontinuity();
}
}
}
const int CXCFileStream::ReadCsvData(LPCTSTR lpszFilename, vector<list<string> > &vlStr)
{
/// 1、判断是否是CSV文件
if (! IsCsvFile(lpszFilename))
return XC_ERR_INVALID_FILE_NAME;
/// 2、打开CSV文件
ifstream _streamFromFile(lpszFilename);
/// 判断打开文件是否成功
if (NULL == _streamFromFile)
return (-errno);
/// 存储读取的文件内容
string _strIn("");
/// 3、读取一行
while (getline(_streamFromFile, _strIn)) {
/// 每行的源字符串
LPCTSTR _pcSrc = _strIn.c_str();
/// 存储一行‘,'分隔解析后的各个元素
list<string> _ltStr;
/// Parse values in this line
while (*_pcSrc != '\0') {
/// string to hold this value
string _strElem("");
/// 针对每个字符分析
if (*_pcSrc == '"') {
/// Bump past opening quote
_pcSrc++;
/// Parse quoted value
while (*_pcSrc != '\0') {
/// Test for quote character
if (*_pcSrc == '"') {
/// Found one quote
_pcSrc++;
// If pair of quotes, keep one
// Else interpret as end of value
if (*_pcSrc != '"') {
_pcSrc++;
break;
}
}
/// Add this character to value
_strElem.push_back(*_pcSrc++);
}
}
else {
// Parse unquoted value
while (*_pcSrc != '\0' && *_pcSrc != ',')
_strElem.push_back(*_pcSrc++);
// Advance to next character (if not already end of string)
if (*_pcSrc != '\0')
_pcSrc++;
}
/// Add this string to container
_ltStr.push_back(_strElem);
}
/// 分析后的一行文件内容所得的元素列表添加到容器中
vlStr.push_back(_ltStr);
/// 归零，防止下次分析旧的数据。
_strIn.assign("");
}
return XC_ERR_NONE;
}
