X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;ds=sidebyside;f=src%2FgdcmUtil.cxx;h=c69f317e563fb6967cc4078ccae776e9b2c470ae;hb=e30e614e7f63b52306d85040068e2205a9e6327a;hp=0760f383b929f3daf3ffcdc140a614310baf572a;hpb=1a11accd11061d63d3c09db7b1445637207e81e4;p=gdcm.git diff --git a/src/gdcmUtil.cxx b/src/gdcmUtil.cxx index 0760f383..c69f317e 100644 --- a/src/gdcmUtil.cxx +++ b/src/gdcmUtil.cxx @@ -1,279 +1,898 @@ -// gdcmUtil.cxx -//----------------------------------------------------------------------------- +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmUtil.cxx,v $ + Language: C++ + Date: $Date: 2005/01/21 19:51:12 $ + Version: $Revision: 1.115 $ + + Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de + l'Image). All rights reserved. See Doc/License.txt or + http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details. + + This software is distributed WITHOUT ANY WARRANTY; without even + the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR + PURPOSE. See the above copyright notices for more information. + +=========================================================================*/ + #include "gdcmUtil.h" +#include "gdcmDebug.h" +#include + +// For GetCurrentDate, GetCurrentTime +#include +#include +#include -#include -#include // For isspace -#include +#ifdef _MSC_VER +#include +#else +#include +#endif -//----------------------------------------------------------------------------- -// Library globals. -gdcmDebug dbg; +#include //only included in implementation file +#include //only included in implementation file + +#if defined(_MSC_VER) || defined(__MINGW32__) + #include // for gethostname & gethostbyname + #undef GetCurrentTime +#else +#ifndef __BORLANDC__ + #include // for gethostname + #include // for gethostbyname +#endif +#endif -//----------------------------------------------------------------------------- +// For GetMACAddress +#ifdef _WIN32 + #include + #include +#else + #include + #include + #include + #include +#endif + +#ifdef CMAKE_HAVE_SYS_IOCTL_H + #include // For SIOCGIFCONF on Linux +#endif +#ifdef CMAKE_HAVE_SYS_SOCKET_H + #include +#endif +#ifdef CMAKE_HAVE_SYS_SOCKIO_H + #include // For SIOCGIFCONF on SunOS +#endif +#ifdef CMAKE_HAVE_NET_IF_H + #include +#endif +#ifdef CMAKE_HAVE_NETINET_IN_H + #include //For IPPROTO_IP +#endif +#ifdef CMAKE_HAVE_NET_IF_DL_H + #include +#endif +#if defined(CMAKE_HAVE_NET_IF_ARP_H) && defined(__sun) + // This is absolutely necessary on SunOS + #include +#endif + +// For GetCurrentThreadID() +#ifdef __linux__ +#include +#include +#endif +#ifdef __sun +#include +#endif + +namespace gdcm +{ /** - * \ingroup gdcmDebug - * \brief constructor - * @param level debug level - */ + * \brief Provide a better 'c++' approach for sprintf + * For example c code is: + * sprintf(trash, "%04x|%04x", group , elem); + * + * c++ code is + * std::ostringstream buf; + * buf << std::right << std::setw(4) << std::setfill('0') << std::hex + * << group << "|" << std::right << std::setw(4) << std::setfill('0') + * << std::hex << elem; + * buf.str(); + * + * gdcm style code is + * Format("%04x|%04x", group , elem); + */ -gdcmDebug::gdcmDebug(int level) { - DebugLevel = level; +std::string Util::Format(const char *format, ...) +{ + char buffer[2048]; + va_list args; + va_start(args, format); + vsprintf(buffer, format, args); //might be a security flaw + va_end(args); // Each invocation of va_start should be matched + // by a corresponding invocation of va_end + // args is then 'undefined' + return buffer; } + /** - * \ingroup gdcmDebug - * \brief Verbose - * @param Level level - * @param Msg1 first message part - * @param Msg2 second message part + * \brief Because not available in C++ (?) */ -void gdcmDebug::Verbose(int Level, const char * Msg1, const char * Msg2) { - if (Level > DebugLevel) - return ; - std::cerr << Msg1 << ' ' << Msg2 << std::endl; +void Util::Tokenize (const std::string &str, + std::vector &tokens, + const std::string& delimiters) +{ + std::string::size_type lastPos = str.find_first_not_of(delimiters,0); + std::string::size_type pos = str.find_first_of (delimiters,lastPos); + while (std::string::npos != pos || std::string::npos != lastPos) + { + tokens.push_back(str.substr(lastPos, pos - lastPos)); + lastPos = str.find_first_not_of(delimiters, pos); + pos = str.find_first_of (delimiters, lastPos); + } } /** - * \ingroup gdcmDebug - * \brief Error - * @param Test test - * @param Msg1 first message part - * @param Msg2 second message part + * \brief Because not available in C++ (?) + * Counts the number of occurences of a substring within a string */ -void gdcmDebug::Error( bool Test, const char * Msg1, const char * Msg2) { - if (!Test) - return; - std::cerr << Msg1 << ' ' << Msg2 << std::endl; - Exit(1); + +int Util::CountSubstring (const std::string &str, + const std::string &subStr) +{ + int count = 0; // counts how many times it appears + std::string::size_type x = 0; // The index position in the string + + do + { + x = str.find(subStr,x); // Find the substring + if (x != std::string::npos) // If present + { + count++; // increase the count + x += subStr.length(); // Skip this word + } + } + while (x != std::string::npos); // Carry on until not present + + return count; } /** - * \ingroup gdcmDebug - * \brief Error - * @param Msg1 first message part - * @param Msg2 second message part - * @param Msg3 Third message part + * \brief Weed out a string from the non-printable characters (in order + * to avoid corrupting the terminal of invocation when printing) + * @param s string to remove non printable characters from */ -void gdcmDebug::Error(const char* Msg1, const char* Msg2, - const char* Msg3) { - std::cerr << Msg1 << ' ' << Msg2 << ' ' << Msg3 << std::endl; - Exit(1); +std::string Util::CreateCleanString(std::string const &s) +{ + std::string str = s; + + for(unsigned int i=0; i 0) + { + if(!isprint((unsigned char)s[str.size()-1])) + { + if(s[str.size()-1] == 0) + { + str[str.size()-1] = ' '; + } + } + } + + return str; } /** - * \ingroup gdcmDebug - * \brief Assert - * @param Level level - * @param Test test - * @param Msg1 first message part - * @param Msg2 second message part + * \brief Add a SEPARATOR to the end of the name is necessary + * @param pathname file/directory name to normalize */ - void gdcmDebug::Assert(int Level, bool Test, - const char * Msg1, const char * Msg2) { - if (Level > DebugLevel) - return ; - if (!Test) - std::cerr << Msg1 << ' ' << Msg2 << std::endl; +std::string Util::NormalizePath(std::string const &pathname) +{ + const char SEPARATOR_X = '/'; + const char SEPARATOR_WIN = '\\'; + const std::string SEPARATOR = "/"; + std::string name = pathname; + int size = name.size(); + + if( name[size-1] != SEPARATOR_X && name[size-1] != SEPARATOR_WIN ) + { + name += SEPARATOR; + } + return name; } /** - * \ingroup gdcmDebug - * \brief Exit - * @param a return code + * \brief Get the (directory) path from a full path file name + * @param fullName file/directory name to extract Path from */ -void gdcmDebug::Exit(int a) { -#ifdef __GNUC__ - std::exit(a); -#endif -#ifdef _MSC_VER - exit(a); // Found in #include -#endif -} +std::string Util::GetPath(std::string const &fullName) +{ + std::string res = fullName; + int pos1 = res.rfind("/"); + int pos2 = res.rfind("\\"); + if( pos1 > pos2) + { + res.resize(pos1); + } + else + { + res.resize(pos2); + } -//----------------------------------------------------------------------------- -/// Pointer to a container, holding *all* the Dicom Dictionaries -gdcmDictSet *gdcmGlobal::Dicts = (gdcmDictSet *)0; -/// Pointer to a H table containing the 'Value Representations' -gdcmVR *gdcmGlobal::VR = (gdcmVR *)0; -/// Pointer to a H table containing the Transfer Syntax codes and their english description -gdcmTS *gdcmGlobal::TS = (gdcmTS *)0; -/// Pointer to a H table containing the Dicom Elements necessary to describe each part of a DICOMDIR -gdcmDicomDirElement *gdcmGlobal::ddElem = (gdcmDicomDirElement *)0; -/// gdcm Glob -gdcmGlobal gdcmGlob; + return res; +} +/** + * \brief Get the (last) name of a full path file name + * @param fullName file/directory name to extract end name from + */ +std::string Util::GetName(std::string const &fullName) +{ + std::string filename = fullName; + + std::string::size_type slash_pos = filename.rfind("/"); + std::string::size_type backslash_pos = filename.rfind("\\"); + slash_pos = slash_pos > backslash_pos ? slash_pos : backslash_pos; + if(slash_pos != std::string::npos) + { + return filename.substr(slash_pos + 1); + } + else + { + return filename; + } +} /** - * \ingroup gdcmGlobal - * \brief constructor : populates the + * \brief Get the current date of the system in a dicom string */ -gdcmGlobal::gdcmGlobal(void) { - if (VR || TS || Dicts || ddElem) - dbg.Verbose(0, "gdcmGlobal::gdcmGlobal : VR or TS or Dicts already allocated"); - Dicts = new gdcmDictSet(); - VR = new gdcmVR(); - TS = new gdcmTS(); - ddElem = new gdcmDicomDirElement(); +std::string Util::GetCurrentDate() +{ + char tmp[512]; + time_t tloc; + time (&tloc); + strftime(tmp,512,"%Y%m%d", localtime(&tloc) ); + return tmp; } /** - * \ingroup gdcmGlobal - * \brief canonical destructor + * \brief Get the current time of the system in a dicom string */ -gdcmGlobal::~gdcmGlobal() { - delete Dicts; - delete VR; - delete TS; - delete ddElem; +std::string Util::GetCurrentTime() +{ + char tmp[512]; + time_t tloc; + time (&tloc); + strftime(tmp,512,"%H%M%S", localtime(&tloc) ); + return tmp; } -gdcmVR *gdcmGlobal::GetVR(void) { - return VR; -} +/** + * \brief Get both the date and time at the same time to avoid problem + * around midnight where two call could be before and after midnight + */ +std::string Util::GetCurrentDateTime() +{ + char tmp[40]; + long milliseconds; + time_t *timep; + + // We need implementation specific functions to obtain millisecond precision +#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__) + struct timeb tb; + ::ftime(&tb); + timep = &tb.time; + milliseconds = tb.millitm; +#else + struct timeval tv; + gettimeofday (&tv, NULL); + timep = &tv.tv_sec; + // Compute milliseconds from microseconds. + milliseconds = tv.tv_usec / 1000; +#endif + // Obtain the time of day, and convert it to a tm struct. + struct tm *ptm = localtime (timep); + // Format the date and time, down to a single second. + strftime (tmp, sizeof (tmp), "%Y%m%d.%H%M%S", ptm); -gdcmTS *gdcmGlobal::GetTS(void) { - return TS; -} + // Add milliseconds + std::string r = tmp; + r += Format("%03ld", milliseconds); -gdcmDictSet *gdcmGlobal::GetDicts(void) { - return Dicts; + return r; } -gdcmDicomDirElement *gdcmGlobal::GetDicomDirElements(void) { - return ddElem; +/** + * \brief Create a /DICOM/ string: + * It should a of even length (no odd length ever) + * It can contain as many (if you are reading this from your + * editor the following character is is backslash followed by zero + * that needed to be escaped with an extra backslash for doxygen) \\0 + * as you want. + */ +std::string Util::DicomString(const char *s, size_t l) +{ + std::string r(s, s+l); + gdcmAssertMacro( !(r.size() % 2) ); // == basically 'l' is even + return r; } -//----------------------------------------------------------------------------- -// Here are some usefull functions, belonging to NO class, -// dealing with strings, file names, etc -// that can be called from anywhere -// by whomsoever they can help. -//----------------------------------------------------------------------------- - -// Because is not yet available in g++2.96 -std::istream& eatwhite(std::istream& is) { - char c; - while (is.get(c)) { - if (!isspace(c)) { - is.putback(c); - break; - } +/** + * \brief Create a /DICOM/ string: + * It should a of even lenght (no odd length ever) + * It can contain as many (if you are reading this from your + * editor the following character is is backslash followed by zero + * that needed to be escaped with an extra backslash for doxygen) \\0 + * as you want. + * This function is similar to DicomString(const char*), + * except it doesn't take a lenght. + * It only pad with a null character if length is odd + */ +std::string Util::DicomString(const char *s) +{ + size_t l = strlen(s); + if( l%2 ) + { + l++; } - return is; + std::string r(s, s+l); + gdcmAssertMacro( !(r.size() % 2) ); + return r; } -/////////////////////////////////////////////////////////////////////////// -// Because is not available in C++ (?) -void Tokenize (const std::string& str, - std::vector& tokens, - const std::string& delimiters) { - std::string::size_type lastPos = str.find_first_not_of(delimiters,0); - std::string::size_type pos = str.find_first_of (delimiters,lastPos); - while (std::string::npos != pos || std::string::npos != lastPos) { - tokens.push_back(str.substr(lastPos, pos - lastPos)); - lastPos = str.find_first_not_of(delimiters, pos); - pos = str.find_first_of (delimiters, lastPos); - } +/** + * \brief Safely compare two Dicom String: + * - Both string should be of even lenght + * - We allow padding of even lenght string by either a null + * character of a space + */ +bool Util::DicomStringEqual(const std::string &s1, const char *s2) +{ + // s2 is the string from the DICOM reference: 'MONOCHROME1' + std::string s1_even = s1; //Never change input parameter + std::string s2_even = DicomString( s2 ); + if( s1_even[s1_even.size()-1] == ' ') + { + s1_even[s1_even.size()-1] = '\0'; //replace space character by null + } + return s1_even == s2_even; } -/////////////////////////////////////////////////////////////////////////// + /** - * \brief to prevent a flashing screen when non-printable character - * @param v characters array to remove non printable characters from + * \brief tells us if the processor we are working with is BigEndian or not */ -char *_cleanString(char *v) { - char *d; - int i, l; - l = strlen(v); - for (i=0,d=v; - ih_addr_list; + + sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); + if(sock == -1) + { + perror("sock"); + return -1; + } + memset(&parpreq, 0, sizeof(struct arpreq)); + psa = (struct sockaddr_in *) &parpreq.arp_pa; + + memset(psa, 0, sizeof(struct sockaddr_in)); + psa->sin_family = AF_INET; + memcpy(&psa->sin_addr, *paddrs, sizeof(struct in_addr)); + + status = ioctl(sock, SIOCGARP, &parpreq); + if(status == -1) + { + perror("SIOCGARP"); + return -1; + } + memcpy(addr, parpreq.arp_ha.sa_data, 6); + + return 0; +#else +#ifdef CMAKE_HAVE_NET_IF_H + int sd; + struct ifreq ifr, *ifrp; + struct ifconf ifc; + char buf[1024]; + int n, i; + unsigned char *a; +#if defined(AF_LINK) && (!defined(SIOCGIFHWADDR) && !defined(SIOCGENADDR)) + struct sockaddr_dl *sdlp; +#endif - if(str.size()>0) - if(!isprint(s[str.size()-1])) - if(s[str.size()-1]==0) - str[str.size()-1]=' '; +// +// BSD 4.4 defines the size of an ifreq to be +// max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len +// However, under earlier systems, sa_len isn't present, so the size is +// just sizeof(struct ifreq) +// We should investiage the use of SIZEOF_ADDR_IFREQ +// +#ifdef HAVE_SA_LEN +#ifndef max +#define max(a,b) ((a) > (b) ? (a) : (b)) +#endif +#define ifreq_size(i) max(sizeof(struct ifreq),\ + sizeof((i).ifr_name)+(i).ifr_addr.sa_len) +#else +#define ifreq_size(i) sizeof(struct ifreq) +#endif // HAVE_SA_LEN - return(str); + if( (sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0 ) + { + return -1; + } + memset(buf, 0, sizeof(buf)); + ifc.ifc_len = sizeof(buf); + ifc.ifc_buf = buf; + if (ioctl (sd, SIOCGIFCONF, (char *)&ifc) < 0) + { + close(sd); + return -1; + } + n = ifc.ifc_len; + for (i = 0; i < n; i+= ifreq_size(*ifrp) ) + { + ifrp = (struct ifreq *)((char *) ifc.ifc_buf+i); + strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ); +#ifdef SIOCGIFHWADDR + if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0) + continue; + a = (unsigned char *) &ifr.ifr_hwaddr.sa_data; +#else +#ifdef SIOCGENADDR + // In theory this call should also work on Sun Solaris, but apparently + // SIOCGENADDR is not implemented properly thus the call + // ioctl(sd, SIOCGENADDR, &ifr) always returns errno=2 + // (No such file or directory) + // Furthermore the DLAPI seems to require full root access + if (ioctl(sd, SIOCGENADDR, &ifr) < 0) + continue; + a = (unsigned char *) ifr.ifr_enaddr; +#else +#ifdef AF_LINK + sdlp = (struct sockaddr_dl *) &ifrp->ifr_addr; + if ((sdlp->sdl_family != AF_LINK) || (sdlp->sdl_alen != 6)) + continue; + a = (unsigned char *) &sdlp->sdl_data[sdlp->sdl_nlen]; +#else + perror("No way to access hardware"); + close(sd); + return -1; +#endif // AF_LINK +#endif // SIOCGENADDR +#endif // SIOCGIFHWADDR + if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5]) continue; + + if (addr) + { + memcpy(addr, a, 6); + close(sd); + return 0; + } + } + close(sd); +#endif + /* Not implemented platforms */ + perror("There was a configuration problem on your plateform"); + memset(addr,0,6); + return -1; +#endif //__sun } -/////////////////////////////////////////////////////////////////////////// /** - * \brief Add a SEPARATOR to the end of the name is necessary - * @param name file/directory name to normalize + * \brief Gets the M.A.C. adress of the machine writting the DICOM image */ -void NormalizePath(std::string &name) +std::string Util::GetMACAddress() { -const char SEPARATOR_X = '/'; -const char SEPARATOR_WIN = '\\'; -const std::string SEPARATOR = "/"; - int size=name.size(); - if((name[size-1]!=SEPARATOR_X)&&(name[size-1]!=SEPARATOR_WIN)) + // This code is the result of a long internet search to find something + // as compact as possible (not OS independant). We only have to separate + // 3 OS: Win32, SunOS and 'real' POSIX + // http://groups-beta.google.com/group/comp.unix.solaris/msg/ad36929d783d63be + // http://bdn.borland.com/article/0,1410,26040,00.html + union dual { uint64_t n; unsigned char addr[6]; }; + + // zero-initialize the whole thing first: + dual d = { 0 }; + int stat = GetMacAddrSys(d.addr); + if (stat == 0) { - name+=SEPARATOR; + // fill with zero to fit on 15 bytes. + return Format("%015llu", d.n); + } + else + { + gdcmVerboseMacro("Problem in finding the MAC Address"); + return ""; } } -/////////////////////////////////////////////////////////////////////////// /** - * \brief Get the (directory) path from a full path file name - * @param fullName file/directory name to extract Path from + * \brief Return the IP adress of the machine writting the DICOM image */ -std::string GetPath(std::string &fullName) +std::string Util::GetIPAddress() { - int pos1=fullName.rfind("/"); - int pos2=fullName.rfind("\\"); - if(pos1>pos2) - fullName.resize(pos1); - else - fullName.resize(pos2); - return(fullName); + // This is a rip from + // http://www.codeguru.com/Cpp/I-N/internet/network/article.php/c3445/ +#ifndef HOST_NAME_MAX + // SUSv2 guarantees that `Host names are limited to 255 bytes'. + // POSIX 1003.1-2001 guarantees that `Host names (not including the + // terminating NUL) are limited to HOST_NAME_MAX bytes'. +# define HOST_NAME_MAX 255 + // In this case we should maybe check the string was not truncated. + // But I don't known how to check that... +#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__) + // with WinSock DLL we need to initialize the WinSock before using gethostname + WORD wVersionRequested = MAKEWORD(1,0); + WSADATA WSAData; + int err = WSAStartup(wVersionRequested,&WSAData); + if (err != 0) + { + // Tell the user that we could not find a usable + // WinSock DLL. + WSACleanup(); + return "127.0.0.1"; + } +#endif + +#endif //HOST_NAME_MAX + + std::string str; + char szHostName[HOST_NAME_MAX+1]; + int r = gethostname(szHostName, HOST_NAME_MAX); + + if( r == 0 ) + { + // Get host adresses + struct hostent *pHost = gethostbyname(szHostName); + + for( int i = 0; pHost!= NULL && pHost->h_addr_list[i]!= NULL; i++ ) + { + for( int j = 0; jh_length; j++ ) + { + if( j > 0 ) str += "."; + + str += Util::Format("%u", + (unsigned int)((unsigned char*)pHost->h_addr_list[i])[j]); + } + // str now contains one local IP address + +#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__) + WSACleanup(); +#endif + + } + } + // If an error occur r == -1 + // Most of the time it will return 127.0.0.1... + return str; } -/////////////////////////////////////////////////////////////////////////// /** - * \brief Get the (last) name of a full path file name - * @param fullName file/directory name to extract end name from + * \brief Creates a new UID. As stipulate in the DICOM ref + * each time a DICOM image is create it should have + * a unique identifier (URI) + * @param root is the DICOM prefix assigned by IOS group + * @param is a string you want to append to the UID. */ -std::string GetName(std::string &fullName) -{ - int fin=fullName.length()-1; - char a =fullName.c_str()[fin]; - if (a == '/' || a == '\\') { - fin--; - } - int deb; - for (int i=fin;i!=0;i--) { - if (fullName.c_str()[i] == '/' || fullName.c_str()[i] == '\\') - break; - deb = i; - } - - std::string lastName; - for (int j=deb;j 64 ) + { + gdcmErrorMacro( "Size of UID is too long." ); + // we need a hash function to truncate this number + // if only md5 was cross plateform + // MD5(append); + } + + return prefix + append; +} + +unsigned int Util::GetCurrentThreadID() +{ +// FIXME the implementation is far from complete +#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__) + return (unsigned int)GetCurrentThreadId(); +#endif +#ifdef __linux__ + return 0; + // Doesn't work on fedora, but is in the man page... + //return (unsigned int)gettid(); +#endif +#ifdef __sun + return (unsigned int)thr_self(); +#endif +} + +unsigned int Util::GetCurrentProcessID() +{ +#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__) + // NOTE: There is also a _getpid()... + return (unsigned int)GetCurrentProcessId(); +#else + // get process identification, POSIX + return (unsigned int)getpid(); +#endif + +} + +/** + * \brief + * @param os ostream to write to + * @param val val + */ +template +std::ostream &binary_write(std::ostream &os, const T &val) +{ + return os.write(reinterpret_cast(&val), sizeof val); +} + +/** + * \brief binary_write binary_write + * @param os ostream to write to + * @param val val + */ +std::ostream &binary_write(std::ostream &os, const uint16_t &val) +{ +#ifdef GDCM_WORDS_BIGENDIAN + uint16_t swap; + swap = ((( val << 8 ) & 0x0ff00 ) | (( val >> 8 ) & 0x00ff ) ); + return os.write(reinterpret_cast(&swap), 2); +#else + return os.write(reinterpret_cast(&val), 2); +#endif //GDCM_WORDS_BIGENDIAN +} + +/** + * \brief binary_write binary_write + * @param os ostream to write to + * @param val val + */ +std::ostream &binary_write(std::ostream &os, const uint32_t &val) +{ +#ifdef GDCM_WORDS_BIGENDIAN + uint32_t swap; + swap = ( ((val<<24) & 0xff000000) | ((val<<8) & 0x00ff0000) | + ((val>>8) & 0x0000ff00) | ((val>>24) & 0x000000ff) ); + return os.write(reinterpret_cast(&swap), 4); +#else + return os.write(reinterpret_cast(&val), 4); +#endif //GDCM_WORDS_BIGENDIAN +} + +/** + * \brief binary_write binary_write + * @param os ostream to write to + * @param val val + */ +std::ostream &binary_write(std::ostream &os, const char *val) +{ + return os.write(val, strlen(val)); +} + +/** + * \brief + * @param os ostream to write to + * @param val val + */ +std::ostream &binary_write(std::ostream &os, std::string const &val) +{ + return os.write(val.c_str(), val.size()); +} + +} // end namespace gdcm +