C++ closer函数代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› C++›C++教程

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了C++中closer函数的典型用法代码示例。如果您正苦于以下问题：C++ closer函数的具体用法？C++ closer怎么用？C++ closer使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了closer函数的15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，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: Error

    void GifImage::readMetadata()
    {
#ifdef DEBUG
        std::cerr << "Exiv2::GifImage::readMetadata: Reading GIF file " << io_->path() << "\n";
#endif
        if (io_->open() != 0)
        {
            throw Error(9, io_->path(), strError());
        }
        IoCloser closer(*io_);
        // Ensure that this is the correct image type
        if (!isGifType(*io_, true))
        {
            if (io_->error() || io_->eof()) throw Error(14);
            throw Error(3, "GIF");
        }
        clearMetadata();

        byte buf[4];
        if (io_->read(buf, sizeof(buf)) == sizeof(buf))
        {
            pixelWidth_ = getShort(buf, littleEndian);
            pixelHeight_ = getShort(buf + 2, littleEndian);
        }
    } // GifImage::readMetadata

开发者ID:FihlaTV，项目名称:Satires，代码行数:25，代码来源:gifimage.cpp

示例2: Error

    void XmpSidecar::readMetadata()
    {
#ifdef DEBUG
        std::cerr << "Reading XMP file " << io_->path() << "\n";
#endif
        if (io_->open() != 0) {
            throw Error(9, io_->path(), strError());
        }
        IoCloser closer(*io_);
        // Ensure that this is the correct image type
        if (!isXmpType(*io_, false)) {
            if (io_->error() || io_->eof()) throw Error(14);
            throw Error(3, "XMP");
        }
        // Read the XMP packet from the IO stream
        std::string xmpPacket;
        const long len = 64 * 1024;
        byte buf[len];
        long l;
        while ((l = io_->read(buf, len)) > 0) {
            xmpPacket.append(reinterpret_cast<char*>(buf), l);
        }
        if (io_->error()) throw Error(14);
        clearMetadata();
        xmpPacket_ = xmpPacket;
        if (xmpPacket_.size() > 0 && XmpParser::decode(xmpData_, xmpPacket_)) {
#ifndef SUPPRESS_WARNINGS
            EXV_WARNING << "Failed to decode XMP metadata.\n";
#endif
        }
        copyXmpToIptc(xmpData_, iptcData_);
        copyXmpToExif(xmpData_, exifData_);
    } // XmpSidecar::readMetadata

开发者ID:obklar，项目名称:exiv2，代码行数:33，代码来源:xmpsidecar.cpp

示例3: closer

    void RafImage::readMetadata()
    {
#ifdef DEBUG
        std::cerr << "Reading RAF file " << io_->path() << "\n";
#endif
        if (io_->open() != 0) throw Error(9, io_->path(), strError());
        IoCloser closer(*io_);
        // Ensure that this is the correct image type
        if (!isRafType(*io_, false)) {
            if (io_->error() || io_->eof()) throw Error(14);
            throw Error(3, "RAF");
        }
        byte const* pData = io_->mmap();
        long size = io_->size();
        if (size < 88 + 4) throw Error(14); // includes the test for -1
        uint32_t const start = getULong(pData + 84, bigEndian) + 12;
        if (static_cast<uint32_t>(size) < start) throw Error(14);
        clearMetadata();
        ByteOrder bo = TiffParser::decode(exifData_,
                                          iptcData_,
                                          xmpData_,
                                          pData + start,
                                          size - start);

        exifData_["Exif.Image2.JPEGInterchangeFormat"] = getULong(pData + 84, bigEndian);
        exifData_["Exif.Image2.JPEGInterchangeFormatLength"] = getULong(pData + 88, bigEndian);

        setByteOrder(bo);
    } // RafImage::readMetadata

开发者ID:FihlaTV，项目名称:Satires，代码行数:29，代码来源:rafimage.cpp

示例4: Image

 TiffImage::TiffImage(BasicIo::AutoPtr io, bool create)
     : Image(mdExif | mdComment), io_(io)
 {
     if (create) {
         IoCloser closer(*io_);
         io_->open();
     }
 } // TiffImage::TiffImage

开发者ID:obklar，项目名称:exiv2，代码行数:8，代码来源:tiffimage.cpp

示例5: goodLeft

int goodLeft(Cell maze[][16],int mx,int my,int dir) {
   switch (dir) {
      case EAST:
         return (openNorth(maze,mx,my) && closer(&maze[mx][my],&maze[mx][my + 1]));
         break;
      case SOUTH:
         return (openEast(maze,mx,my) && closer(&maze[mx][my],&maze[mx + 1][my]));
         break;
      case WEST:
         return (openSouth(maze,mx,my) && closer(&maze[mx][my],&maze[mx][my - 1]));
         break;
      case NORTH:
         return (openWest(maze,mx,my) && closer(&maze[mx][my],&maze[mx - 1][my]));
         break;
      default:
         return 0;
   }
}

开发者ID:dmaricon，项目名称:Micromouse，代码行数:18，代码来源:mouse.c

示例6: _getifaddrs

static int
_getifaddrs(int domain, char* buffer, size_t len, struct ifaddrs** previous)
{
	int socket = ::socket(domain, SOCK_DGRAM, 0);
	if (socket < 0)
		return -1;
	FileDescriptorCloser closer(socket);

	// Get interfaces configuration
	ifconf config;
	config.ifc_buf = buffer;
	config.ifc_len = len;
	if (ioctl(socket, SIOCGIFCONF, &config, sizeof(struct ifconf)) < 0)
		return -1;

	ifreq* interfaces = (ifreq*)buffer;
	ifreq* end = (ifreq*)(buffer + config.ifc_len);

	while (interfaces < end) {
		struct ifaddrs* current = new(std::nothrow) ifaddrs();
		if (current == NULL) {
			errno = B_NO_MEMORY;
			return -1;
		}

		// Chain this interface with the next one
		current->ifa_next = *previous;
		*previous = current;

		current->ifa_name = strdup(interfaces[0].ifr_name);
		current->ifa_addr = copy_address(interfaces[0].ifr_addr);
		current->ifa_netmask = NULL;
		current->ifa_dstaddr = NULL;
		current->ifa_data = NULL;

		ifreq request;
		strlcpy(request.ifr_name, interfaces[0].ifr_name, IF_NAMESIZE);

		if (ioctl(socket, SIOCGIFFLAGS, &request, sizeof(struct ifreq)) == 0)
			current->ifa_flags = request.ifr_flags;
		if (ioctl(socket, SIOCGIFNETMASK, &request, sizeof(struct ifreq))
				== 0) {
			current->ifa_netmask = copy_address(request.ifr_mask);
		}
		if (ioctl(socket, SIOCGIFDSTADDR, &request, sizeof(struct ifreq))
				== 0) {
			current->ifa_dstaddr = copy_address(request.ifr_dstaddr);
		}

		// Move on to next interface
		interfaces = (ifreq*)((uint8_t*)interfaces
			+ _SIZEOF_ADDR_IFREQ(interfaces[0]));
	}

	return 0;
}

开发者ID:looncraz，项目名称:haiku，代码行数:56，代码来源:getifaddrs.cpp

示例7: Image

 XmpSidecar::XmpSidecar(BasicIo::AutoPtr io, bool create)
     : Image(ImageType::xmp, mdXmp, io)
 {
     if (create) {
         if (io_->open() == 0) {
             IoCloser closer(*io_);
             io_->write(reinterpret_cast<const byte*>(xmlHeader), xmlHdrCnt);
         }
     }
 } // XmpSidecar::XmpSidecar

开发者ID:obklar，项目名称:exiv2，代码行数:10，代码来源:xmpsidecar.cpp

示例8: find_toplevel

 I find_toplevel(char const c, I i, I const e)
 {
   for(;;)
   {
     if(i == e) return e;
     else if(*i == c) return i;
     else if(char const cl = closer(*i)) i = find_toplevel(cl, i+1, e)+1;
     else ++i;
   }
 }

开发者ID:Bigcheese，项目名称:geordi，代码行数:10，代码来源:bark.hpp

示例9: TRACE

ON_2dPoint
BBNode::getClosestPointEstimate(const ON_3dPoint &pt, ON_Interval &u, ON_Interval &v)
{
    if (isLeaf()) {
	double uvs[5][2] = {{m_u.Min(), m_v.Min()}, {m_u.Max(), m_v.Min()},
	    {m_u.Max(), m_v.Max()}, {m_u.Min(), m_v.Max()},
	    {m_u.Mid(), m_v.Mid()}
	}; /* include the estimate */
	ON_3dPoint corners[5];
	const ON_Surface *surf = m_face->SurfaceOf();

	u = m_u;
	v = m_v;

	/* ??? pass these in from SurfaceTree::surfaceBBox() to avoid
	 * this recalculation?
	 */
	if (!surf->EvPoint(uvs[0][0], uvs[0][1], corners[0]) ||
	    !surf->EvPoint(uvs[1][0], uvs[1][1], corners[1]) ||
	    !surf->EvPoint(uvs[2][0], uvs[2][1], corners[2]) ||
	    !surf->EvPoint(uvs[3][0], uvs[3][1], corners[3]))
	{
	    throw new std::exception(); /* FIXME */
	}
	corners[4] = BBNode::m_estimate;

	/* find the point on the surface closest to pt */
	size_t mini = 0;
	double mindist = pt.DistanceTo(corners[mini]);
	double tmpdist;
	for (size_t i = 1; i < 5; i++) {
	    tmpdist = pt.DistanceTo(corners[i]);
	    TRACE("\t" << mindist << " < " << tmpdist);
	    if (tmpdist < mindist) {
		mini = i;
		mindist = tmpdist;
	    }
	}
	TRACE("Closest: " << mindist << "; " << PT2(uvs[mini]));
	return ON_2dPoint(uvs[mini][0], uvs[mini][1]);
    } else {
	if (m_children.size() > 0) {
	    BBNode *closestNode = m_children[0];
	    for (size_t i = 1; i < m_children.size(); i++) {
		closestNode = closer(pt, closestNode, m_children[i]);
		TRACE("\t" << PT(closestNode->m_estimate));
	    }
	    return closestNode->getClosestPointEstimate(pt, u, v);
	}
	throw new std::exception();
    }
}

开发者ID:behollis，项目名称:brlcad-svn-rev65072-gsoc2015，代码行数:52，代码来源:BBNode.cpp

示例10: Error

    void MrwImage::readMetadata()
    {
#ifdef DEBUG
        std::cerr << "Reading MRW file " << io_->path() << "\n";
#endif
        if (io_->open() != 0) {
            throw Error(9, io_->path(), strError());
        }
        IoCloser closer(*io_);
        // Ensure that this is the correct image type
        if (!isMrwType(*io_, false)) {
            if (io_->error() || io_->eof()) throw Error(14);
            throw Error(3, "MRW");
        }
        clearMetadata();

        // Find the TTW block and read it into a buffer
        uint32_t const len = 8;
        byte tmp[len];
        io_->read(tmp, len);
        uint32_t pos = len;
        uint32_t const end = getULong(tmp + 4, bigEndian);

        pos += len;
        if (pos > end) throw Error(14);
        io_->read(tmp, len);
        if (io_->error() || io_->eof()) throw Error(14);

        while (memcmp(tmp + 1, "TTW", 3) != 0) {
            uint32_t const siz = getULong(tmp + 4, bigEndian);
            pos += siz;
            if (pos > end) throw Error(14);
            io_->seek(siz, BasicIo::cur);
            if (io_->error() || io_->eof()) throw Error(14);

            pos += len;
            if (pos > end) throw Error(14);
            io_->read(tmp, len);
            if (io_->error() || io_->eof()) throw Error(14);
        }

        DataBuf buf(getULong(tmp + 4, bigEndian));
        io_->read(buf.pData_, buf.size_);
        if (io_->error() || io_->eof()) throw Error(14);

        ByteOrder bo = TiffParser::decode(exifData_,
                                          iptcData_,
                                          xmpData_,
                                          buf.pData_,
                                          buf.size_);
        setByteOrder(bo);
    } // MrwImage::readMetadata

开发者ID:IAmTheOneTheyCallNeo，项目名称:android_external_Focal，代码行数:52，代码来源:mrwimage.cpp

示例11: BB_DEBUG_LOG

void Socket::Close() {
  BB_DEBUG_LOG("socket close:%d", GetId());
  auto& closer = GetCloseHandler();
  if (closer) closer();

  if (is_open()) {
    boost::system::error_code ec;
    this->shutdown(boost::asio::ip::tcp::socket::shutdown_both, ec);
    if (ec && ec != boost::system::errc::not_connected) {
      BB_ERROR_LOG("shutdown socket error:%s", ec.message().c_str());
    } else {
      this->close();
    }
  }
}

开发者ID:as-xjc，项目名称:bamboo，代码行数:15，代码来源:socket.cpp

示例12: Error

    void PgfImage::writeMetadata()
    {
        if (io_->open() != 0)
        {
            throw Error(9, io_->path(), strError());
        }
        IoCloser closer(*io_);
        BasicIo::AutoPtr tempIo(new MemIo);
        assert (tempIo.get() != 0);

        doWriteMetadata(*tempIo); // may throw
        io_->close();
        io_->transfer(*tempIo); // may throw

    } // PgfImage::writeMetadata

开发者ID:jfiguinha，项目名称:Regards，代码行数:15，代码来源:pgfimage.cpp

示例13: Error

    void XmpSidecar::writeMetadata()
    {
        if (io_->open() != 0) {
            throw Error(9, io_->path(), strError());
        }
        IoCloser closer(*io_);


        if (writeXmpFromPacket() == false) {
            copyExifToXmp(exifData_, xmpData_);
            copyIptcToXmp(iptcData_, xmpData_);

            // #1112 - restore dates if they lost their TZ info
            for ( Exiv2::Dictionary_i it = dates_.begin() ; it != dates_.end() ; it++) {
            	std::string   sKey = it->first;
            	Exiv2::XmpKey key(sKey);
            	if ( xmpData_.findKey(key) != xmpData_.end() ) {
            		std::string value_orig(it->second);
            		std::string value_now(xmpData_[sKey].value().toString());
	            	// std::cout << key << " -> " << value_now << " => " << value_orig << std::endl;
					if ( value_orig.find(value_now.substr(0,10)) != std::string::npos ) {
						xmpData_[sKey] = value_orig ;
					}
            	}
            }

            if (XmpParser::encode(xmpPacket_, xmpData_,
                                  XmpParser::omitPacketWrapper|XmpParser::useCompactFormat) > 1) {
#ifndef SUPPRESS_WARNINGS
                EXV_ERROR << "Failed to encode XMP metadata.\n";
#endif
            }
        }
        if (xmpPacket_.size() > 0) {
            if (xmpPacket_.substr(0, 5)  != "<?xml") {
                xmpPacket_ = xmlHeader + xmpPacket_ + xmlFooter;
            }
            BasicIo::AutoPtr tempIo(io_->temporary()); // may throw
            assert(tempIo.get() != 0);
            // Write XMP packet
            if (   tempIo->write(reinterpret_cast<const byte*>(xmpPacket_.data()),
                                 static_cast<long>(xmpPacket_.size()))
                != static_cast<long>(xmpPacket_.size())) throw Error(21);
            if (tempIo->error()) throw Error(21);
            io_->close();
            io_->transfer(*tempIo); // may throw
        }
    } // XmpSidecar::writeMetadata

开发者ID:FihlaTV，项目名称:Satires，代码行数:48，代码来源:xmpsidecar.cpp

示例14: Error

    void TgaImage::readMetadata()
    {
#ifdef DEBUG
        std::cerr << "Exiv2::TgaImage::readMetadata: Reading TARGA file " << io_->path() << "\n";
#endif
        if (io_->open() != 0)
        {
            throw Error(9, io_->path(), strError());
        }
        IoCloser closer(*io_);
        // Ensure that this is the correct image type
        if (!isTgaType(*io_, false))
        {
            if (io_->error() || io_->eof()) throw Error(14);
            throw Error(3, "TGA");
        }
        clearMetadata();

        /*
          The TARGA header goes as follows -- all numbers are in little-endian byte order:

          offset  length   name                     description
          ======  =======  =======================  ===========
           0      1 byte   ID length                length of image ID (0 to 255)
           1      1 byte   color map type           0 = no color map; 1 = color map included
           2      1 byte   image type                0 = no image;
                                                     1 = uncompressed color-mapped;
                                                     2 = uncompressed true-color;
                                                     3 = uncompressed black-and-white;
                                                     9 = RLE-encoded color mapped;
                                                    10 = RLE-encoded true-color;
                                                    11 = RLE-encoded black-and-white
           3      5 bytes  color map specification
           8      2 bytes  x-origin of image
          10      2 bytes  y-origin of image
          12      2 bytes  image width
          14      2 bytes  image height
          16      1 byte   pixel depth
          17      1 byte   image descriptor
        */
        byte buf[18];
        if (io_->read(buf, sizeof(buf)) == sizeof(buf))
        {
            pixelWidth_ = getShort(buf + 12, littleEndian);
            pixelHeight_ = getShort(buf + 14, littleEndian);
        }
    } // TgaImage::readMetadata

开发者ID:dtbinh，项目名称:dviz，代码行数:47，代码来源:tgaimage.cpp

示例15: closer

status_t
BNetworkRoster::AddInterface(const char* name)
{
	int socket = ::socket(AF_INET, SOCK_DGRAM, 0);
	if (socket < 0)
		return errno;

	FileDescriptorCloser closer(socket);

	ifaliasreq request;
	memset(&request, 0, sizeof(ifaliasreq));
	strlcpy(request.ifra_name, name, IF_NAMESIZE);

	if (ioctl(socket, SIOCAIFADDR, &request, sizeof(request)) != 0)
		return errno;

	return B_OK;
}

开发者ID:SummerSnail2014，项目名称:haiku，代码行数:18，代码来源:NetworkRoster.cpp

注：本文中的closer函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。