Program: gdcm
Module: $RCSfile: gdcmUtil.cxx,v $
Language: C++
- Date: $Date: 2005/01/15 20:24:02 $
- Version: $Revision: 1.92 $
+ Date: $Date: 2005/02/02 10:02:18 $
+ Version: $Revision: 1.129 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include <sys/types.h>
#include <sys/stat.h>
+#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__)
+#include <sys/timeb.h>
+#else
+#include <sys/time.h>
+#endif
+
#include <stdarg.h> //only included in implementation file
#include <stdio.h> //only included in implementation file
-#if defined(_MSC_VER)
- #include <winsock.h> // for gethostname & gethostbyname
+#if defined(_MSC_VER) || defined(__MINGW32__)
+ #include <winsock.h> // for gethostname and gethostbyname
#undef GetCurrentTime
#else
#ifndef __BORLANDC__
// For GetMACAddress
#ifdef _WIN32
-#include <snmp.h>
-#include <conio.h>
+ #include <snmp.h>
+ #include <conio.h>
#else
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-//#include <errno.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/stat.h>
-#include <sys/file.h>
+ #include <unistd.h>
+ #include <stdlib.h>
+ #include <string.h>
+ #include <sys/types.h>
+#endif
+
#ifdef CMAKE_HAVE_SYS_IOCTL_H
-#include <sys/ioctl.h> // For SIOCGIFCONF on Linux
+ #include <sys/ioctl.h> // For SIOCGIFCONF on Linux
#endif
#ifdef CMAKE_HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
+ #include <sys/socket.h>
#endif
#ifdef CMAKE_HAVE_SYS_SOCKIO_H
-#include <sys/sockio.h> // For SIOCGIFCONF on SunOS
+ #include <sys/sockio.h> // For SIOCGIFCONF on SunOS
#endif
#ifdef CMAKE_HAVE_NET_IF_H
-#include <net/if.h>
+ #include <net/if.h>
#endif
#ifdef CMAKE_HAVE_NETINET_IN_H
-#include <netinet/in.h> //For IPPROTO_IP
+ #include <netinet/in.h> //For IPPROTO_IP
#endif
#ifdef CMAKE_HAVE_NET_IF_DL_H
-#include <net/if_dl.h>
+ #include <net/if_dl.h>
+#endif
+#if defined(CMAKE_HAVE_NET_IF_ARP_H) && defined(__sun)
+ // This is absolutely necessary on SunOS
+ #include <net/if_arp.h>
#endif
-// How do I do that in CMake ?
-#ifdef __APPLE__
-#define HAVE_SA_LEN
-#endif //APPLE
-
-#endif //_WIN32
+// For GetCurrentThreadID()
+#ifdef __linux__
+ #include <sys/types.h>
+ #include <linux/unistd.h>
+#endif
+#ifdef __sun
+ #include <thread.h>
+#endif
namespace gdcm
{
+//-------------------------------------------------------------------------
+const std::string Util::GDCM_UID = "1.2.826.0.1.3680043.2.1143";
+std::string Util::RootUID = GDCM_UID;
+
+//-------------------------------------------------------------------------
/**
- * \ingroup Globals
* \brief Provide a better 'c++' approach for sprintf
* For example c code is:
* sprintf(trash, "%04x|%04x", group , elem);
* gdcm style code is
* Format("%04x|%04x", group , elem);
*/
-
std::string Util::Format(const char *format, ...)
{
char buffer[2048];
/**
- * \ingroup Globals
* \brief Because not available in C++ (?)
*/
void Util::Tokenize (const std::string &str,
std::vector<std::string> &tokens,
- const std::string& delimiters)
+ 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);
}
/**
- * \ingroup Globals
* \brief Because not available in C++ (?)
* Counts the number of occurences of a substring within a string
*/
}
/**
- * \ingroup Globals
* \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
}
/**
- * \ingroup Globals
* \brief Add a SEPARATOR to the end of the name is necessary
* @param pathname file/directory name to normalize
*/
}
/**
- * \ingroup Globals
* \brief Get the (directory) path from a full path file name
* @param fullName file/directory name to extract Path from
*/
}
/**
- * \ingroup Util
* \brief Get the (last) name of a full path file name
* @param fullName file/directory name to extract end name from
*/
}
/**
- * \ingroup Util
* \brief Get the current date of the system in a dicom string
*/
std::string Util::GetCurrentDate()
}
/**
- * \ingroup Util
* \brief Get the current time of the system in a dicom string
*/
std::string Util::GetCurrentTime()
return tmp;
}
+/**
+ * \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);
+
+ // Add milliseconds
+ std::string r = tmp;
+ r += Format("%03ld", milliseconds);
+
+ return r;
+}
+
/**
* \brief Create a /DICOM/ string:
* It should a of even length (no odd length ever)
}
/**
- * \ingroup Util
* \brief Create a /DICOM/ string:
- * It should a of even lenght (no odd length ever)
+ * 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.
* This function is similar to DicomString(const char*),
- * except it doesn't take a lenght.
+ * except it doesn't take a length.
* It only pad with a null character if length is odd
*/
std::string Util::DicomString(const char *s)
}
/**
- * \ingroup Util
* \brief Safely compare two Dicom String:
- * - Both string should be of even lenght
- * - We allow padding of even lenght string by either a null
+ * - Both string should be of even length
+ * - We allow padding of even length string by either a null
* character of a space
*/
bool Util::DicomStringEqual(const std::string &s1, const char *s2)
return s1_even == s2_even;
}
-
-
/**
- * \ingroup Util
* \brief tells us if the processor we are working with is BigEndian or not
*/
bool Util::IsCurrentProcessorBigEndian()
#endif
}
-
-
#ifdef _WIN32
-typedef BOOL(WINAPI * pSnmpExtensionInit) (
- IN DWORD dwTimeZeroReference,
- OUT HANDLE * hPollForTrapEvent,
- OUT AsnObjectIdentifier * supportedView);
-
-typedef BOOL(WINAPI * pSnmpExtensionTrap) (
- OUT AsnObjectIdentifier * enterprise,
- OUT AsnInteger * genericTrap,
- OUT AsnInteger * specificTrap,
- OUT AsnTimeticks * timeStamp,
- OUT RFC1157VarBindList * variableBindings);
-
-typedef BOOL(WINAPI * pSnmpExtensionQuery) (
- IN BYTE requestType,
- IN OUT RFC1157VarBindList * variableBindings,
- OUT AsnInteger * errorStatus,
- OUT AsnInteger * errorIndex);
-
-typedef BOOL(WINAPI * pSnmpExtensionInitEx) (
- OUT AsnObjectIdentifier * supportedView);
+ typedef BOOL(WINAPI * pSnmpExtensionInit) (
+ IN DWORD dwTimeZeroReference,
+ OUT HANDLE * hPollForTrapEvent,
+ OUT AsnObjectIdentifier * supportedView);
+
+ typedef BOOL(WINAPI * pSnmpExtensionTrap) (
+ OUT AsnObjectIdentifier * enterprise,
+ OUT AsnInteger * genericTrap,
+ OUT AsnInteger * specificTrap,
+ OUT AsnTimeticks * timeStamp,
+ OUT RFC1157VarBindList * variableBindings);
+
+ typedef BOOL(WINAPI * pSnmpExtensionQuery) (
+ IN BYTE requestType,
+ IN OUT RFC1157VarBindList * variableBindings,
+ OUT AsnInteger * errorStatus,
+ OUT AsnInteger * errorIndex);
+
+ typedef BOOL(WINAPI * pSnmpExtensionInitEx) (
+ OUT AsnObjectIdentifier * supportedView);
#endif //_WIN32
-long GetMacAddrSys ( unsigned char *addr)
+int GetMacAddrSys ( unsigned char *addr )
{
#ifdef _WIN32
WSADATA WinsockData;
AsnObjectIdentifier MIB_NULL = { 0, 0 };
int ret;
int dtmp;
- int i = 0, j = 0;
- BOOL found = FALSE;
+ int j = 0;
// Load the SNMP dll and get the addresses of the functions necessary
HINSTANCE m_hInst = LoadLibrary("inetmib1.dll");
if (m_hInst < (HINSTANCE) HINSTANCE_ERROR)
{
- m_hInst = NULL;
return -1;
}
pSnmpExtensionInit m_Init =
(pSnmpExtensionInit) GetProcAddress(m_hInst, "SnmpExtensionInit");
- pSnmpExtensionInitEx m_InitEx =
- (pSnmpExtensionInitEx) GetProcAddress(m_hInst, "SnmpExtensionInitEx");
pSnmpExtensionQuery m_Query =
(pSnmpExtensionQuery) GetProcAddress(m_hInst, "SnmpExtensionQuery");
- pSnmpExtensionTrap m_Trap =
- (pSnmpExtensionTrap) GetProcAddress(m_hInst, "SnmpExtensionTrap");
m_Init(GetTickCount(), &PollForTrapEvent, &SupportedView);
/* Initialize the variable list to be retrieved by m_Query */
// Inteface table
varBindList.len = 1; // Only retrieving one item
SNMP_oidcpy(&varBind[0].name, &MIB_ifEntryNum);
- ret = m_Query(ASN_RFC1157_GETNEXTREQUEST, &varBindList, &errorStatus,
+ m_Query(ASN_RFC1157_GETNEXTREQUEST, &varBindList, &errorStatus,
&errorIndex);
// printf("# of adapters in this system : %i\n",
-// varBind[0].value.asnValue.number); varBindList.len = 2;
+// varBind[0].value.asnValue.number);
+ varBindList.len = 2;
// Copy in the OID of ifType, the type of interface
SNMP_oidcpy(&varBind[0].name, &MIB_ifEntryType);
{
j++;
dtmp = varBind[0].value.asnValue.number;
- printf("Interface #%i type : %i\n", j, dtmp);
// Type 6 describes ethernet interfaces
if (dtmp == 6)
&& (varBind[1].value.asnValue.address.stream[4] == 0x00) )
{
// Ignore all dial-up networking adapters
- printf("Interface #%i is a DUN adapter\n", j);
+ std::cerr << "Interface #" << j << " is a DUN adapter\n";
continue;
}
if ( (varBind[1].value.asnValue.address.stream[0] == 0x00)
{
// Ignore NULL addresses returned by other network
// interfaces
- printf("Interface #%i is a NULL address\n", j);
+ std::cerr << "Interface #" << j << " is a NULL address\n";
continue;
}
memcpy( addr, varBind[1].value.asnValue.address.stream, 6);
SNMP_FreeVarBind(&varBind[0]);
SNMP_FreeVarBind(&varBind[1]);
return 0;
-#else
+#endif //Win32 version
+
+
// implementation for POSIX system
+#ifdef __sun
+ //The POSIX version is broken anyway on Solaris, plus would require full
+ //root power
+ struct arpreq parpreq;
+ struct sockaddr_in *psa;
+ struct hostent *phost;
+ char hostname[MAXHOSTNAMELEN];
+ char **paddrs;
+ int sock, status=0;
+
+ if(gethostname(hostname, MAXHOSTNAMELEN) != 0)
+ {
+ perror("gethostname");
+ return -1;
+ }
+ phost = gethostbyname(hostname);
+ paddrs = phost->h_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;
char buf[1024];
int n, i;
unsigned char *a;
-#ifdef AF_LINK
+#if defined(AF_LINK) && (!defined(SIOCGIFHWADDR) && !defined(SIOCGENADDR))
struct sockaddr_dl *sdlp;
#endif
// 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)
+ #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)
+ #define ifreq_size(i) sizeof(struct ifreq)
#endif // HAVE_SA_LEN
if( (sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0 )
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;
continue;
a = (unsigned char *) &sdlp->sdl_data[sdlp->sdl_nlen];
#else
- /*
- * XXX we don't have a way of getting the hardware
- * address
- */
+ perror("No way to access hardware");
close(sd);
return -1;
#endif // AF_LINK
}
close(sd);
#endif
+ // Not implemented platforms
+ perror("There was a configuration problem on your plateform");
+ memset(addr,0,6);
return -1;
-#endif //_WIN32
+#endif //__sun
+}
+/**
+ * Mini function to return the last digit from a number express in base 256
+ * pre condition data contain an array of 6 unsigned char
+ * post condition carry contain the last digit
+ */
+inline int getlastdigit(unsigned char *data)
+{
+ int extended, carry = 0;
+ for(int i=0;i<6;i++)
+ {
+ extended = (carry << 8) + data[i];
+ data[i] = extended / 10;
+ carry = extended % 10;
+ }
+ return carry;
}
+/**
+ * \brief Encode the mac address on a fixed lenght string of 15 characters.
+ * we save space this way.
+ */
std::string Util::GetMACAddress()
{
- // This is a rip from: http://cplus.kompf.de/macaddr.html for Linux/CYGWIN, HPUX and AIX
- // and http://tangentsoft.net/wskfaq/examples/src/snmpmac.cpp for windows version
- // and http://groups-beta.google.com/group/sol.lists.freebsd.hackers/msg/0d0f862e05fce6c0 for the FreeBSD version
- // and http://developer.apple.com/samplecode/GetPrimaryMACAddress/GetPrimaryMACAddress.html for MacOSX version
- u_char addr[6];
- std::string macaddr;
-
- long stat = GetMacAddrSys(addr);
- if (0 == stat)
+ // 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
+ unsigned char addr[6];
+
+ int stat = GetMacAddrSys(addr);
+ if (stat == 0)
{
- //printf( "MAC address = ");
- for (int i=0; i<6; ++i)
+ // We need to convert a 6 digit number from base 256 to base 10, using integer
+ // would requires a 48bits one. To avoid this we have to reimplement the div + modulo
+ // with string only
+ bool zero = false;
+ int res;
+ std::string sres;
+ while(!zero)
{
- //printf("%2.2x", addr[i]);
- macaddr += Format("%2.2x", addr[i]);
+ res = getlastdigit(addr);
+ sres.insert(sres.begin(), '0' + res);
+ zero = (addr[0] == 0) && (addr[1] == 0) && (addr[2] == 0) && (addr[3] == 0) && (addr[4] == 0) && (addr[5] == 0);
}
- //printf( "\n");
- return macaddr;
+
+ return sres;
}
else
{
- //printf( "No MAC address !\n" );
+ gdcmVerboseMacro("Problem in finding the MAC Address");
return "";
}
}
/**
- * \ingroup Util
* \brief Return the IP adress of the machine writting the DICOM image
*/
std::string Util::GetIPAddress()
{
- // This is a rip from
- // http://www.codeguru.com/Cpp/I-N/internet/network/article.php/c3445/
+ // 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__)
- // with WinSock DLL we need to initialise the WinSock before using gethostname
- WORD wVersionRequested = MAKEWORD(1,0);
- WSADATA WSAData;
- int err = WSAStartup(wVersionRequested,&WSAData);
- if (err != 0)
- {
+ // 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; j<pHost->h_length; j++ )
+ 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++ )
{
- if( j > 0 ) str += ".";
+ for( int j = 0; j<pHost->h_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
- str += Util::Format("%u",
- (unsigned int)((unsigned char*)pHost->h_addr_list[i])[j]);
}
- // str now contains one local IP address
+ }
+ // If an error occur r == -1
+ // Most of the time it will return 127.0.0.1...
+ return str;
+}
-#if defined(_MSC_VER) || defined(__BORLANDC__)
- WSACleanup();
+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();
+#else
+ //default implementation
+ return 0;
+#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
-
- }
- }
- // If an error occur r == -1
- // Most of the time it will return 127.0.0.1...
- return str;
}
/**
- * \ingroup Util
* \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
*/
std::string Util::CreateUniqueUID(const std::string &root)
{
- // The code works as follow:
- // echo "gdcm" | od -b
- // 0000000 147 144 143 155 012
- // Therefore we return
- // radical + 147.144.143.155 + IP + time()
- std::string radical = root;
- if( !root.size() ) //anything better ?
- {
- radical = "0.0."; // Is this really usefull ?
- }
- // else
- // A root was specified use it to forge our new UID:
- radical += "147.144.143.155"; // gdcm
- radical += ".";
- radical += Util::GetIPAddress();
- radical += ".";
- radical += Util::GetCurrentDate();
- radical += ".";
- radical += Util::GetCurrentTime();
-
- return radical;
+ std::string prefix;
+ std::string append;
+ if( root.empty() )
+ {
+ // gdcm UID prefix, as supplied by http://www.medicalconnections.co.uk
+ prefix = RootUID;
+ }
+ else
+ {
+ prefix = root;
+ }
+
+ // A root was specified use it to forge our new UID:
+ append += ".";
+ append += Util::GetMACAddress();
+ append += ".";
+ append += Util::GetCurrentDateTime();
+
+ //Also add a mini random number just in case:
+ int r = (int) (100.0*rand()/RAND_MAX);
+ append += Format("%02d", r);
+
+ // If append is too long we need to rehash it
+ if( (prefix + append).size() > 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;
+}
+
+void Util::SetRootUID(const std::string &root)
+{
+ if( root.empty() )
+ RootUID = GDCM_UID;
+ else
+ RootUID = root;
}
+const std::string &Util::GetRootUID()
+{
+ return RootUID;
+}
+
+//-------------------------------------------------------------------------
+/**
+ * \brief
+ * @param os ostream to write to
+ * @param val val
+ */
template <class T>
std::ostream &binary_write(std::ostream &os, const T &val)
{
- return os.write(reinterpret_cast<const char*>(&val), sizeof val);
+ return os.write(reinterpret_cast<const char*>(&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<const char*>(&swap), 2);
+ uint16_t swap;
+ swap = ((( val << 8 ) & 0x0ff00 ) | (( val >> 8 ) & 0x00ff ) );
+ return os.write(reinterpret_cast<const char*>(&swap), 2);
#else
- return os.write(reinterpret_cast<const char*>(&val), 2);
+ return os.write(reinterpret_cast<const char*>(&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<const char*>(&swap), 4);
+ uint32_t swap;
+ swap = ( ((val<<24) & 0xff000000) | ((val<<8) & 0x00ff0000) |
+ ((val>>8) & 0x0000ff00) | ((val>>24) & 0x000000ff) );
+ return os.write(reinterpret_cast<const char*>(&swap), 4);
#else
- return os.write(reinterpret_cast<const char*>(&val), 4);
+ return os.write(reinterpret_cast<const char*>(&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));
+ 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());
+ return os.write(val.c_str(), val.size());
}
+//-------------------------------------------------------------------------
} // end namespace gdcm