X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmUtil.cxx;h=3cd372ab39d34d5e10f7a0eaf88275b8a2c65f44;hb=ba0bc3fcf8f575dd3e1509642598408b522d20e6;hp=b4907d912c4b4a169b6c60081807241cf9fdfd82;hpb=c9dd24ae7aab3c9f32af740ebfce6dfb47bd855f;p=gdcm.git diff --git a/src/gdcmUtil.cxx b/src/gdcmUtil.cxx index b4907d91..3cd372ab 100644 --- a/src/gdcmUtil.cxx +++ b/src/gdcmUtil.cxx @@ -3,8 +3,8 @@ Program: gdcm Module: $RCSfile: gdcmUtil.cxx,v $ Language: C++ - Date: $Date: 2004/10/10 00:42:55 $ - Version: $Revision: 1.53 $ + Date: $Date: 2005/01/06 18:46:02 $ + Version: $Revision: 1.72 $ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de l'Image). All rights reserved. See Doc/License.txt or @@ -19,7 +19,26 @@ #include "gdcmUtil.h" #include "gdcmDebug.h" +// For GetCurrentDate, GetCurrentTime +#include +#include +#include +#include //only included in implementation file +#include //only included in implementation file + +#if defined(_MSC_VER) + #include // for gethostname & gethostbyname + #undef GetCurrentTime +#else +#ifndef __BORLANDC__ + #include // for gethostname + #include // for gethostbyname +#endif +#endif + +namespace gdcm +{ /** * \ingroup Globals * \brief Provide a better 'c++' approach for sprintf @@ -33,15 +52,16 @@ * << std::hex << element; * buf.str(); */ -#include //only included in implementation file -#include //only included in implementation file -std::string gdcmUtil::Format(const char* format, ...) +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; } @@ -50,9 +70,9 @@ std::string gdcmUtil::Format(const char* format, ...) * \ingroup Globals * \brief Because not available in C++ (?) */ -void gdcmUtil::Tokenize (const std::string& str, - std::vector& tokens, - const std::string& delimiters) +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); @@ -70,11 +90,11 @@ void gdcmUtil::Tokenize (const std::string& str, * Counts the number of occurences of a substring within a string */ -int gdcmUtil::CountSubstring (const std::string& str, - const std::string& subStr) +int Util::CountSubstring (const std::string& str, + const std::string& subStr) { int count = 0; // counts how many times it appears - unsigned int x = 0; // The index position in the string + std::string::size_type x = 0; // The index position in the string do { @@ -96,25 +116,25 @@ int gdcmUtil::CountSubstring (const std::string& str, * to avoid corrupting the terminal of invocation when printing) * @param s string to remove non printable characters from */ -std::string gdcmUtil::CreateCleanString(std::string s) +std::string Util::CreateCleanString(std::string const & s) { std::string str = s; - for(unsigned int i=0;i0) + if(str.size() > 0) { - if(!isprint(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]=' '; + str[str.size()-1] = ' '; } } } @@ -125,19 +145,21 @@ std::string gdcmUtil::CreateCleanString(std::string s) /** * \ingroup Globals * \brief Add a SEPARATOR to the end of the name is necessary - * @param name file/directory name to normalize + * @param pathname file/directory name to normalize */ -void gdcmUtil::NormalizePath(std::string &name) +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)) + if( name[size-1] != SEPARATOR_X && name[size-1] != SEPARATOR_WIN ) { - name+=SEPARATOR; + name += SEPARATOR; } + return name; } /** @@ -145,50 +167,432 @@ void gdcmUtil::NormalizePath(std::string &name) * \brief Get the (directory) path from a full path file name * @param fullName file/directory name to extract Path from */ -std::string gdcmUtil::GetPath(std::string &fullName) +std::string Util::GetPath(std::string const & fullName) { - int pos1 = fullName.rfind("/"); - int pos2 = fullName.rfind("\\"); + std::string res = fullName; + int pos1 = res.rfind("/"); + int pos2 = res.rfind("\\"); if( pos1 > pos2) { - fullName.resize(pos1); + res.resize(pos1); } else { - fullName.resize(pos2); + res.resize(pos2); } - return fullName; + return res; } /** - * \ingroup Globals + * \ingroup Util * \brief Get the (last) name of a full path file name * @param fullName file/directory name to extract end name from */ -std::string gdcmUtil::GetName(std::string &fullName) +std::string Util::GetName(std::string const & fullName) { - int fin = fullName.length()-1; - char a =fullName.c_str()[fin]; - if (a == '/' || a == '\\') + 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 Util + * \brief Get the current date of the system in a dicom string + */ +std::string Util::GetCurrentDate() +{ + char tmp[512]; + time_t tloc; + time (&tloc); + strftime(tmp,512,"%Y%m%d", localtime(&tloc) ); + return tmp; +} + +/** + * \ingroup Util + * \brief Get the current time of the system in a dicom string + */ +std::string Util::GetCurrentTime() +{ + char tmp[512]; + time_t tloc; + time (&tloc); + strftime(tmp,512,"%H%M%S", localtime(&tloc) ); + return tmp; +} + +/** + * \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); + assert( !(r.size() % 2) ); // == basically 'l' is even + return r; +} + +/** + * \ingroup Util + * \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 ) { - fin--; + l++; } - int deb = 0; - for (int i=fin;i!=0;i--) - { - if (fullName.c_str()[i] == '/' || fullName.c_str()[i] == '\\') + std::string r(s, s+l); + assert( !(r.size() % 2) ); + return r; +} + +/** + * \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 + * 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; +} + + + +/** + * \ingroup Util + * \brief tells us if the processor we are working with is BigEndian or not + */ +bool Util::IsCurrentProcessorBigEndian() +{ + uint16_t intVal = 1; + uint8_t bigEndianRepr[4] = { 0x00, 0x00, 0x00, 0x01 }; + int res = memcmp(reinterpret_cast(&intVal), + reinterpret_cast(bigEndianRepr), 4); + if (res == 0) + return true; + else + return false; +} + + +#include +#include +#include +#include //for bzero +#include + +#ifdef __linux__ +#include +#include +#include +#include +#include +#endif + +#ifdef __HP_aCC +#include +#endif + +#ifdef _AIX +#include +#include +#endif + +long GetMacAddrSys ( u_char *addr) +{ +/* implementation for Linux */ +#ifdef __linux__ + struct ifreq ifr; + struct ifreq *IFR; + struct ifconf ifc; + char buf[1024]; + int s, i; + int ok = 0; + + s = socket(AF_INET, SOCK_DGRAM, 0); + if (s==-1) { + return -1; + } + + ifc.ifc_len = sizeof(buf); + ifc.ifc_buf = buf; + ioctl(s, SIOCGIFCONF, &ifc); + + IFR = ifc.ifc_req; + for (i = ifc.ifc_len / sizeof(struct ifreq); --i >= 0; IFR++) { + + strcpy(ifr.ifr_name, IFR->ifr_name); + if (ioctl(s, SIOCGIFFLAGS, &ifr) == 0) { + if (! (ifr.ifr_flags & IFF_LOOPBACK)) { + if (ioctl(s, SIOCGIFHWADDR, &ifr) == 0) { + ok = 1; + break; + } + } + } + } + + close(s); + if (ok) { + bcopy( ifr.ifr_hwaddr.sa_data, addr, 6); + } + else { + return -1; + } + return 0; +#endif + +/* implementation for HP-UX */ +#ifdef __HP_aCC + +#define LAN_DEV0 "/dev/lan0" + + int fd; + struct fis iocnt_block; + int i; + char net_buf[sizeof(LAN_DEV0)+1]; + char *p; + + (void)sprintf(net_buf, "%s", LAN_DEV0); + p = net_buf + strlen(net_buf) - 1; + + /* + * Get 802.3 address from card by opening the driver and interrogating it. + */ + for (i = 0; i < 10; i++, (*p)++) { + if ((fd = open (net_buf, O_RDONLY)) != -1) { + iocnt_block.reqtype = LOCAL_ADDRESS; + ioctl (fd, NETSTAT, &iocnt_block); + close (fd); + + if (iocnt_block.vtype == 6) + break; + } + } + + if (fd == -1 || iocnt_block.vtype != 6) { + return -1; + } + + bcopy( &iocnt_block.value.s[0], addr, 6); + return 0; + +#endif /* HPUX */ + +/* implementation for AIX */ +#ifdef _AIX + + int size; + struct kinfo_ndd *nddp; + + size = getkerninfo(KINFO_NDD, 0, 0, 0); + if (size <= 0) { + return -1; + } + nddp = (struct kinfo_ndd *)malloc(size); + + if (!nddp) { + return -1; + } + if (getkerninfo(KINFO_NDD, nddp, &size, 0) < 0) { + free(nddp); + return -1; + } + bcopy(nddp->ndd_addr, addr, 6); + free(nddp); + return 0; +#endif //_AIX + +/* Not implemented platforms */ + return -1; +} + +//std::string Util::GetMACAddress() +//{ +// // This is a rip from: http://cplus.kompf.de/macaddr.html for Linux, HPUX and AIX +// // and http://tangentsoft.net/wskfaq/examples/src/snmpmac.cpp for windows version +// long stat; +// int i; +// u_char addr[6]; +// +// stat = mac_addr_sys( addr); +// if (0 == stat) +// { +// printf( "MAC address = "); +// for (i=0; i<6; ++i) { +// printf("%2.2x", addr[i]); +// } +// printf( "\n"); +// } +// else { +// fprintf( stderr, "can't get MAC address\n"); +// exit( 1); +// } +//} + +/** + * \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/ +#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) { + /* 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++ ) { - break; + if( j > 0 ) str += "."; + + str += Util::Format("%u", + (unsigned int)((unsigned char*)pHost->h_addr_list[i])[j]); } - deb = i; - } + // str now contains one local IP address - std::string lastName; - for (int j=deb;j +std::ostream& binary_write(std::ostream& os, const T& val) +{ + return os.write(reinterpret_cast(&val), sizeof 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 +} + +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 +} + +std::ostream& binary_write(std::ostream& os, const char* val) +{ + return os.write(val, strlen(val)); +} + +std::ostream& binary_write(std::ostream& os, std::string const & val) +{ + return os.write(val.c_str(), val.size()); +} + +} // end namespace gdcm - return lastName; -}