Program: gdcm
Module: $RCSfile: gdcmUtil.cxx,v $
Language: C++
- Date: $Date: 2005/02/28 18:56:29 $
- Version: $Revision: 1.147 $
+ Date: $Date: 2006/02/16 20:06:15 $
+ Version: $Revision: 1.183 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include "gdcmUtil.h"
#include "gdcmDebug.h"
+
#include <iostream>
+#include <stdarg.h> // for va_list
// For GetCurrentDate, GetCurrentTime
#include <time.h>
#include <stdarg.h> //only included in implementation file
#include <stdio.h> //only included in implementation file
-#if defined(_MSC_VER) || defined(__MINGW32__)
- #include <winsock.h> // for gethostname and gethostbyname
+#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__)
+ #include <winsock.h> // for gethostname and gethostbyname and GetTickCount...
+// I haven't find a way to determine wether we need to under GetCurrentTime or not...
+// I think the best solution would simply to get rid of this problematic function
+// and use a 'less' common name...
+#if !defined(__BORLANDC__) || (__BORLANDC__ >= 0x0560)
#undef GetCurrentTime
+#endif
#else
-#ifndef __BORLANDC__
#include <unistd.h> // for gethostname
#include <netdb.h> // for gethostbyname
#endif
-#endif
// For GetMACAddress
#ifdef _WIN32
//-------------------------------------------------------------------------
const std::string Util::GDCM_UID = "1.2.826.0.1.3680043.2.1143";
std::string Util::RootUID = GDCM_UID;
-const uint16_t Util::FMIV = 0x0001;
+/*
+ * File Meta Information Version (0002,0001) shall contain a two byte OB
+ * value consisting of a 0x00 byte, followed by 0x01 byte, and not the
+ * value 0x0001 encoded as a little endian 16 bit short value,
+ * which would be the other way around...
+ */
+const uint16_t Util::FMIV = 0x0100;
uint8_t *Util::FileMetaInformationVersion = (uint8_t *)&FMIV;
+std::string Util::GDCM_MAC_ADRESS = GetMACAddress();
//-------------------------------------------------------------------------
// Public
/**
* \brief Provide a better 'c++' approach for sprintf
* For example c code is:
- * char result[200]; // hope 200 is enough
+ * char result[2048]; // hope 2048 is enough
* sprintf(result, "%04x|%04x", group , elem);
*
* c++ code is
*/
std::string Util::Format(const char *format, ...)
{
- char buffer[2048];
+ char buffer[2048]; // hope 2048 is enough
va_list args;
va_start(args, format);
vsprintf(buffer, format, args); //might be a security flaw
return count;
}
+/**
+ * \brief Checks whether a 'string' is printable or not (in order
+ * to avoid corrupting the terminal of invocation when printing)
+ * @param s string to check
+ */
+bool Util::IsCleanString(std::string const &s)
+{
+ for(unsigned int i=0; i<s.size(); i++)
+ {
+ if (!isprint((unsigned char)s[i]) )
+ {
+ return false;
+ }
+ }
+ return true;
+}
+
+/**
+ * \brief Checks whether an 'area' is printable or not (in order
+ * to avoid corrupting the terminal of invocation when printing)
+ * @param s area to check (uint8_t is just for prototyping. feel free to cast)
+ * @param l area length to check
+ */
+bool Util::IsCleanArea(uint8_t *s, int l)
+{
+ for( int i=0; i<l; i++)
+ {
+ if (!isprint((unsigned char)s[i]) )
+ {
+ return false;
+ }
+ }
+ return true;
+}
/**
* \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
+ * @param s string to check (uint8_t is just for prototyping. feel free to cast)
*/
std::string Util::CreateCleanString(std::string const &s)
{
for(unsigned int i=0; i<str.size(); i++)
{
- if(!isprint((unsigned char)str[i]))
+ if (!isprint((unsigned char)str[i]) )
{
str[i] = '.';
}
}
- if(str.size() > 0)
+ if (str.size() > 0 )
{
- if(!isprint((unsigned char)s[str.size()-1]))
+ if (!isprint((unsigned char)s[str.size()-1]) )
{
- if(s[str.size()-1] == 0)
+ if (s[str.size()-1] == 0 )
{
str[str.size()-1] = ' ';
}
}
/**
- * \brief Add a SEPARATOR to the end of the name is necessary
+ * \brief Weed out a string from the non-printable characters (in order
+ * to avoid corrupting the terminal of invocation when printing)
+ * @param s area to process (uint8_t is just for prototyping. feel free to cast)
+ * @param l area length to check
+ */
+std::string Util::CreateCleanString(uint8_t *s, int l)
+{
+ std::string str;
+
+ for( int i=0; i<l; i++)
+ {
+ if (!isprint((unsigned char)s[i]) )
+ {
+ str = str + '.';
+ }
+ else
+ {
+ str = str + (char )s[i];
+ }
+ }
+
+ return str;
+}
+/**
+ * \brief Add a SEPARATOR to the end of the name if necessary
* @param pathname file/directory name to normalize
*/
std::string Util::NormalizePath(std::string const &pathname)
{
+/*
const char SEPARATOR_X = '/';
const char SEPARATOR_WIN = '\\';
+#ifdef _WIN32
+ const std::string SEPARATOR = "\\";
+#else
const std::string SEPARATOR = "/";
+#endif
+*/
std::string name = pathname;
int size = name.size();
- if( name[size-1] != SEPARATOR_X && name[size-1] != SEPARATOR_WIN )
+// if ( name[size-1] != SEPARATOR_X && name[size-1] != SEPARATOR_WIN )
+ if ( name[size-1] != GDCM_FILESEPARATOR )
{
- name += SEPARATOR;
+ name += GDCM_FILESEPARATOR;
}
return name;
}
std::string Util::GetPath(std::string const &fullName)
{
std::string res = fullName;
+/*
+
int pos1 = res.rfind("/");
int pos2 = res.rfind("\\");
- if( pos1 > pos2)
+ if ( pos1 > pos2 )
{
res.resize(pos1);
}
{
res.resize(pos2);
}
-
+*/
+ int pos = res.rfind(GDCM_FILESEPARATOR);
+ res.resize(pos);
return res;
}
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)
+ // At least with my gcc4.0.1, unfound char results in pos =4294967295 ...
+ //slash_pos = slash_pos > backslash_pos ? slash_pos : backslash_pos;
+ slash_pos = slash_pos < backslash_pos ? slash_pos : backslash_pos;
+*/
+ std::string::size_type slash_pos = filename.rfind(GDCM_FILESEPARATOR);
+ if (slash_pos != std::string::npos )
{
return filename.substr(slash_pos + 1);
}
/**
* \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
+ * around midnight where the two calls could be before and after midnight
*/
std::string Util::GetCurrentDateTime()
{
strftime (tmp, sizeof (tmp), "%Y%m%d%H%M%S", ptm);
// Add milliseconds
- std::string r = tmp;
- r += Format("%03ld", milliseconds);
+ // Don't use Util::Format to accelerate execution of code
+ char tmpAll[80];
+ sprintf(tmpAll,"%s%03ld",tmp,milliseconds);
- return r;
+ return tmpAll;
}
unsigned int Util::GetCurrentThreadID()
// FIXME the implementation is far from complete
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__)
return (unsigned int)GetCurrentThreadId();
-#endif
+#else
#ifdef __linux__
return 0;
// Doesn't work on fedora, but is in the man page...
//return (unsigned int)gettid();
-#endif
+#else
#ifdef __sun
return (unsigned int)thr_self();
#else
//default implementation
return 0;
-#endif
+#endif // __sun
+#endif // __linux__
+#endif // Win32
}
unsigned int Util::GetCurrentProcessID()
}
/**
- * \brief tells us if the processor we are working with is BigEndian or not
+ * \brief tells us whether the processor we are working with is BigEndian or not
*/
bool Util::IsCurrentProcessorBigEndian()
{
* \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
+ * editor the following character is backslash followed by zero
* that needed to be escaped with an extra backslash for doxygen) \\0
* as you want.
*/
* \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
+ * editor the following character 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*),
std::string Util::DicomString(const char *s)
{
size_t l = strlen(s);
- if( l%2 )
+ if ( l%2 )
{
l++;
}
}
/**
- * \brief Safely compare two Dicom String:
- * - Both string should be of even length
- * - We allow padding of even length string by either a null
- * character of a space
+ * \brief Safely check the equality of two Dicom String:
+ * - Both strings 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)
{
- // s2 is the string from the DICOM reference: 'MONOCHROME1'
+ // s2 is the string from the DICOM reference e.g. : 'MONOCHROME1'
std::string s1_even = s1; //Never change input parameter
std::string s2_even = DicomString( s2 );
- if( s1_even[s1_even.size()-1] == ' ')
+ 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 Safely compare two Dicom String:
+ * - Both strings should be of even length
+ * - We allow padding of even length string by either
+ * a null character of a space
+ */
+bool Util::CompareDicomString(const std::string &s1, const char *s2, int op)
+{
+ // s2 is the string from the DICOM reference e.g. : '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
+ }
+ switch (op)
+ {
+ case GDCM_EQUAL :
+ return s1_even == s2_even;
+ case GDCM_DIFFERENT :
+ return s1_even != s2_even;
+ case GDCM_GREATER :
+ return s1_even > s2_even;
+ case GDCM_GREATEROREQUAL :
+ return s1_even >= s2_even;
+ case GDCM_LESS :
+ return s1_even < s2_even;
+ case GDCM_LESSOREQUAL :
+ return s1_even <= s2_even;
+ default :
+ gdcmDebugMacro(" Wrong operator : " << op);
+ return false;
+ }
+}
+
#ifdef _WIN32
typedef BOOL(WINAPI * pSnmpExtensionInit) (
IN DWORD dwTimeZeroReference,
OUT AsnObjectIdentifier * supportedView);
#endif //_WIN32
+#ifdef __sgi
+static int SGIGetMacAddress(unsigned char *addr)
+{
+ FILE *f = popen("/etc/nvram eaddr","r");
+ if(f == 0)
+ {
+ return -1;
+ }
+ unsigned int x[6];
+ if(fscanf(f,"%02x:%02x:%02x:%02x:%02x:%02x",
+ x,x+1,x+2,x+3,x+4,x+5) != 6)
+ {
+ pclose(f);
+ return -1;
+ }
+ for(unsigned int i = 0; i < 6; i++)
+ {
+ addr[i] = static_cast<unsigned char>(x[i]);
+ }
+ return 0;
+}
+#endif
+
/// \brief gets current M.A.C adress (for internal use only)
+int GetMacAddrSys ( unsigned char *addr );
int GetMacAddrSys ( unsigned char *addr )
{
#ifdef _WIN32
WSADATA WinsockData;
- if (WSAStartup(MAKEWORD(2, 0), &WinsockData) != 0)
+ if ( (WSAStartup(MAKEWORD(2, 0), &WinsockData)) != 0 )
{
- std::cerr << "This program requires Winsock 2.x!" << std::endl;
+ std::cerr << "in Get MAC Adress (internal) : This program requires Winsock 2.x!"
+ << std::endl;
return -1;
}
&& (varBind[1].value.asnValue.address.stream[4] == 0x00) )
{
// Ignore all dial-up networking adapters
- std::cerr << "Interface #" << j << " is a DUN adapter\n";
+ std::cerr << "in Get MAC Adress (internal) : 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
- std::cerr << "Interface #" << j << " is a NULL address\n";
+ std::cerr << "in Get MAC Adress (internal) : Interface #"
+ << j << " is a NULL address\n";
continue;
}
memcpy( addr, varBind[1].value.asnValue.address.stream, 6);
return 0;
#endif //Win32 version
+#if defined(__sgi)
+ return SGIGetMacAddress(addr);
+#endif // __sgi
+
// implementation for POSIX system
#if defined(CMAKE_HAVE_NET_IF_ARP_H) && defined(__sun)
char **paddrs;
int sock, status=0;
- if(gethostname(hostname, MAXHOSTNAMELEN) != 0)
+ if (gethostname(hostname, MAXHOSTNAMELEN) != 0 )
{
- perror("gethostname");
+ perror("in Get MAC Adress (internal) : gethostname");
return -1;
}
phost = gethostbyname(hostname);
paddrs = phost->h_addr_list;
sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
- if(sock == -1)
+ if (sock == -1 )
{
- perror("sock");
+ perror("in Get MAC Adress (internal) : sock");
return -1;
}
memset(&parpreq, 0, sizeof(struct arpreq));
memcpy(&psa->sin_addr, *paddrs, sizeof(struct in_addr));
status = ioctl(sock, SIOCGARP, &parpreq);
- if(status == -1)
+ if (status == -1 )
{
- perror("SIOCGARP");
+ perror("in Get MAC Adress (internal) : SIOCGARP");
return -1;
}
memcpy(addr, parpreq.arp_ha.sa_data, 6);
// 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
+// We should investigate the use of SIZEOF_ADDR_IFREQ
//
#ifdef HAVE_SA_LEN
#ifndef max
#define ifreq_size(i) sizeof(struct ifreq)
#endif // HAVE_SA_LEN
- if( (sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0 )
+ if ( (sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0 )
{
return -1;
}
continue;
a = (unsigned char *) &sdlp->sdl_data[sdlp->sdl_nlen];
#else
- perror("No way to access hardware");
+ perror("in Get MAC Adress (internal) : 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");
+ // Not implemented platforms (or no cable !)
+ perror("in Get MAC Adress (internal) : There was a configuration problem (or no cable !) on your plateform");
memset(addr,0,6);
return -1;
#endif //__sun
}
/**
- * \brief Encode the mac address on a fixed lenght string of 15 characters.
+ * \brief Encode the mac address on a fixed length string of 15 characters.
* we save space this way.
*/
std::string Util::GetMACAddress()
}
else
{
- gdcmWarningMacro("Problem in finding the MAC Address");
+ gdcmStaticWarningMacro("Problem in finding the MAC Address");
return "";
}
}
/**
- * \brief Creates a new UID. As stipulate in the DICOM ref
- * each time a DICOM image is create it should have
+ * \brief Creates a new UID. As stipulated in the DICOM ref
+ * each time a DICOM image is created it should have
* a unique identifier (URI)
* @param root is the DICOM prefix assigned by IOS group
*/
{
std::string prefix;
std::string append;
- if( root.empty() )
+ if ( root.empty() )
{
// gdcm UID prefix, as supplied by http://www.medicalconnections.co.uk
prefix = RootUID;
// A root was specified use it to forge our new UID:
append += ".";
- append += Util::GetMACAddress();
+ //append += Util::GetMACAddress(); // to save CPU time
+ append += Util::GDCM_MAC_ADRESS;
append += ".";
append += Util::GetCurrentDateTime();
-
+ append += ".";
//Also add a mini random number just in case:
+ char tmp[10];
int r = (int) (100.0*rand()/RAND_MAX);
- append += Format("%02d", r);
+ // Don't use Util::Format to accelerate the execution
+ sprintf(tmp,"%02d", r);
+ append += tmp;
// If append is too long we need to rehash it
- if( (prefix + append).size() > 64 )
+ if ( (prefix + append).size() > 64 )
{
- gdcmErrorMacro( "Size of UID is too long." );
+ gdcmStaticErrorMacro( "Size of UID is too long." );
// we need a hash function to truncate this number
// if only md5 was cross plateform
// MD5(append);
void Util::SetRootUID(const std::string &root)
{
- if( root.empty() )
+ if ( root.empty() )
RootUID = GDCM_UID;
else
RootUID = root;
/**
* \brief binary_write binary_write
* @param os ostream to write to
- * @param val val
+ * @param val 16 bits value to write
*/
std::ostream &binary_write(std::ostream &os, const uint16_t &val)
{
#if defined(GDCM_WORDS_BIGENDIAN) || defined(GDCM_FORCE_BIGENDIAN_EMULATION)
uint16_t swap;
- //swap = ((( val << 8 ) & 0xff00 ) | (( val >> 8 ) & 0x00ff ) );
- //save CPU time
- swap = ( val << 8 | val >> 8 );
+ swap = ( val << 8 | val >> 8 );
return os.write(reinterpret_cast<const char*>(&swap), 2);
#else
/**
* \brief binary_write binary_write
* @param os ostream to write to
- * @param val val
+ * @param val 32 bits value to write
*/
std::ostream &binary_write(std::ostream &os, const uint32_t &val)
{
#if defined(GDCM_WORDS_BIGENDIAN) || defined(GDCM_FORCE_BIGENDIAN_EMULATION)
uint32_t swap;
-// swap = ( ((val<<24) & 0xff000000) | ((val<<8) & 0x00ff0000) |
-// ((val>>8) & 0x0000ff00) | ((val>>24) & 0x000000ff) );
-// save CPU time
swap = ( (val<<24) | ((val<<8) & 0x00ff0000) |
((val>>8) & 0x0000ff00) | (val>>24) );
return os.write(reinterpret_cast<const char*>(&swap), 4);
#endif //GDCM_WORDS_BIGENDIAN
}
+/**
+ * \brief binary_write binary_write
+ * @param os ostream to write to
+ * @param val double (64 bits) value to write
+ */
+std::ostream &binary_write(std::ostream &os, const double &val)
+{
+#if defined(GDCM_WORDS_BIGENDIAN) || defined(GDCM_FORCE_BIGENDIAN_EMULATION)
+ double swap = val;
+
+ char *beg = (char *)&swap;
+ char *end = beg + 7;
+ char t;
+ for (unsigned int i = 0; i<7; i++)
+ {
+ t = *beg;
+ *beg = *end;
+ *end = t;
+ beg++,
+ end--;
+ }
+ return os.write(reinterpret_cast<const char*>(&swap), 8);
+#else
+ return os.write(reinterpret_cast<const char*>(&val), 8);
+#endif //GDCM_WORDS_BIGENDIAN
+}
+
/**
* \brief binary_write binary_write
* @param os ostream to write to
- * @param val val
+ * @param val 8 bits characters aray to write
*/
std::ostream &binary_write(std::ostream &os, const char *val)
{
}
/**
- * \brief
+ * \brief binary_write binary_write
* @param os ostream to write to
- * @param val val
+ * @param val std::string value to write
*/
std::ostream &binary_write(std::ostream &os, std::string const &val)
{
/**
* \brief binary_write binary_write
* @param os ostream to write to
- * @param val value
+ * @param val 8 bits 'characters' aray to write
* @param len length of the 'value' to be written
*/
std::ostream &binary_write(std::ostream &os, const uint8_t *val, size_t len)
/**
* \brief binary_write binary_write
* @param os ostream to write to
- * @param val val
- * @param len length of the 'value' to be written
+ * @param val 16 bits words aray to write
+ * @param len length (in bytes) of the 'value' to be written
*/
std::ostream &binary_write(std::ostream &os, const uint16_t *val, size_t len)
{
char szHostName[HOST_NAME_MAX+1];
int r = gethostname(szHostName, HOST_NAME_MAX);
- if( r == 0 )
+ if ( r == 0 )
{
// Get host adresses
struct hostent *pHost = gethostbyname(szHostName);
{
for( int j = 0; j<pHost->h_length; j++ )
{
- if( j > 0 ) str += ".";
+ if ( j > 0 ) str += ".";
str += Util::Format("%u",
(unsigned int)((unsigned char*)pHost->h_addr_list[i])[j]);
return str;
}
+void Util::hfpswap(double *a, double *b)
+{
+ double tmp;
+ tmp=*a;
+ *a=*b;
+ *b=tmp;
+}
+
//-------------------------------------------------------------------------
} // end namespace gdcm
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff