X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmUtil.cxx;h=936e0dde2985bf64a8f3a43c250290de15514f26;hb=cfc4bc0156d2846054d5e79cc6a9b5770a2a729f;hp=a79d05650fc81cb90b8c2bc75396f1aea092771f;hpb=98e00835b966639d7ad1c8e55a74f9c2c398ac7a;p=gdcm.git diff --git a/src/gdcmUtil.cxx b/src/gdcmUtil.cxx index a79d0565..936e0dde 100644 --- a/src/gdcmUtil.cxx +++ b/src/gdcmUtil.cxx @@ -3,8 +3,8 @@ Program: gdcm Module: $RCSfile: gdcmUtil.cxx,v $ Language: C++ - Date: $Date: 2005/06/04 01:24:15 $ - Version: $Revision: 1.150 $ + Date: $Date: 2005/11/29 13:02:46 $ + Version: $Revision: 1.179 $ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de l'Image). All rights reserved. See Doc/License.txt or @@ -18,7 +18,9 @@ #include "gdcmUtil.h" #include "gdcmDebug.h" + #include +#include // for va_list // For GetCurrentDate, GetCurrentTime #include @@ -36,7 +38,10 @@ #if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__) #include // for gethostname and gethostbyname and GetTickCount... -#ifdef GetCurrentTime +// 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 @@ -92,15 +97,22 @@ namespace gdcm //------------------------------------------------------------------------- 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 @@ -116,7 +128,7 @@ uint8_t *Util::FileMetaInformationVersion = (uint8_t *)&FMIV; */ 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 @@ -175,10 +187,45 @@ int Util::CountSubstring (const std::string &str, 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) +{ + //std::cout<< std::endl << s << std::endl; + for(unsigned int i=0; i 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] = ' '; } @@ -206,6 +253,30 @@ std::string Util::CreateCleanString(std::string const &s) return str; } +/** + * \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 pos2) + if ( pos1 > pos2 ) { res.resize(pos1); } @@ -257,7 +328,7 @@ std::string Util::GetName(std::string const &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) + if (slash_pos != std::string::npos ) { return filename.substr(slash_pos + 1); } @@ -293,7 +364,7 @@ std::string Util::GetCurrentTime() /** * \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() { @@ -320,10 +391,11 @@ 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() @@ -359,7 +431,7 @@ 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() { @@ -374,7 +446,7 @@ 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. */ @@ -389,7 +461,7 @@ std::string Util::DicomString(const char *s, size_t l) * \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*), @@ -399,7 +471,7 @@ std::string Util::DicomString(const char *s, size_t l) std::string Util::DicomString(const char *s) { size_t l = strlen(s); - if( l%2 ) + if ( l%2 ) { l++; } @@ -409,23 +481,58 @@ std::string Util::DicomString(const char *s) } /** - * \brief Safely compare two Dicom String: - * - Both string should be of even length + * \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, @@ -455,9 +562,10 @@ 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; } @@ -551,7 +659,8 @@ int GetMacAddrSys ( unsigned char *addr ) && (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) @@ -563,7 +672,8 @@ int GetMacAddrSys ( unsigned char *addr ) { // 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); @@ -590,18 +700,18 @@ int GetMacAddrSys ( unsigned char *addr ) 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)); @@ -612,9 +722,9 @@ int GetMacAddrSys ( unsigned char *addr ) 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); @@ -637,7 +747,7 @@ int GetMacAddrSys ( unsigned char *addr ) // 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 @@ -649,7 +759,7 @@ int GetMacAddrSys ( unsigned char *addr ) #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; } @@ -687,7 +797,7 @@ int GetMacAddrSys ( unsigned char *addr ) 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 @@ -704,8 +814,8 @@ int GetMacAddrSys ( unsigned char *addr ) } 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 @@ -729,7 +839,7 @@ inline int getlastdigit(unsigned char *data) } /** - * \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() @@ -762,14 +872,14 @@ 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 */ @@ -777,7 +887,7 @@ std::string Util::CreateUniqueUID(const std::string &root) { 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; @@ -789,18 +899,22 @@ std::string Util::CreateUniqueUID(const std::string &root) // 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); @@ -811,7 +925,7 @@ std::string Util::CreateUniqueUID(const std::string &root) void Util::SetRootUID(const std::string &root) { - if( root.empty() ) + if ( root.empty() ) RootUID = GDCM_UID; else RootUID = root; @@ -826,15 +940,13 @@ const std::string &Util::GetRootUID() /** * \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(&swap), 2); #else @@ -845,15 +957,12 @@ std::ostream &binary_write(std::ostream &os, const uint16_t &val) /** * \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(&swap), 4); @@ -862,10 +971,39 @@ std::ostream &binary_write(std::ostream &os, const uint32_t &val) #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(&swap), 8); +#else + return os.write(reinterpret_cast(&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) { @@ -873,9 +1011,9 @@ 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) { @@ -885,7 +1023,7 @@ 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) @@ -897,8 +1035,8 @@ 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) { @@ -982,7 +1120,7 @@ std::string Util::GetIPAddress() 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); @@ -991,7 +1129,7 @@ std::string Util::GetIPAddress() { for( int j = 0; jh_length; j++ ) { - if( j > 0 ) str += "."; + if ( j > 0 ) str += "."; str += Util::Format("%u", (unsigned int)((unsigned char*)pHost->h_addr_list[i])[j]); @@ -1009,6 +1147,14 @@ std::string Util::GetIPAddress() return str; } +void Util::hfpswap(double *a, double *b) +{ + double tmp; + tmp=*a; + *a=*b; + *b=tmp; +} + //------------------------------------------------------------------------- } // end namespace gdcm