X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmUtil.cxx;h=a9900f468c231bb9e68ae8902e5112835b298da6;hb=2d43f5c8ae2004242af2297ceb2926d81675548f;hp=336be556873df4b7f5d43dc39a9d622d52d099f8;hpb=22f785a2627d1e7823701193bd7624739a3e033b;p=gdcm.git diff --git a/src/gdcmUtil.cxx b/src/gdcmUtil.cxx index 336be556..a9900f46 100644 --- a/src/gdcmUtil.cxx +++ b/src/gdcmUtil.cxx @@ -1,155 +1,230 @@ -// gdcmUtil.cxx -//----------------------------------------------------------------------------- +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmUtil.cxx,v $ + Language: C++ + Date: $Date: 2004/10/28 22:21:57 $ + Version: $Revision: 1.57 $ + + 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 //only included in implementation file +#include //only included in implementation file + +namespace gdcm +{ + +/** + * \ingroup Globals + * \brief Provide a better 'c++' approach for sprintf + * For example c code is: + * sprintf(trash, "%04x|%04x", group , element); + * + * c++ 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 << element; + * buf.str(); + */ + +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 + return buffer; +} + + +/** + * \ingroup Globals + * \brief Because not available in C++ (?) + */ +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); + } +} -#include -#include // For isspace -#include +/** + * \ingroup Globals + * \brief Because not available in C++ (?) + * Counts the number of occurences of a substring within a string + */ + +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 -//----------------------------------------------------------------------------- -// Library globals. -gdcmDebug dbg; + 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 -//----------------------------------------------------------------------------- -gdcmDebug::gdcmDebug(int level) { - DebugLevel = level; + return count; } -void gdcmDebug::Verbose(int Level, const char * Msg1, const char * Msg2) { - if (Level > DebugLevel) - return ; - std::cerr << Msg1 << ' ' << Msg2 << std::endl; -} +/** + * \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 + */ +std::string Util::CreateCleanString(std::string const & s) +{ + std::string str = s; -void gdcmDebug::Error( bool Test, const char * Msg1, const char * Msg2) { - if (!Test) - return; - std::cerr << Msg1 << ' ' << Msg2 << std::endl; - Exit(1); -} + for(unsigned int i=0;i0) + { + if(!isprint(s[str.size()-1])) + { + if(s[str.size()-1]==0) + { + str[str.size()-1]=' '; + } + } + } -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; + return str; } -void gdcmDebug::Exit(int a) { -#ifdef __GNUC__ - std::exit(a); -#endif -#ifdef _MSC_VER - exit(a); // Found in #include -#endif -} +/** + * \ingroup Globals + * \brief Add a SEPARATOR to the end of the name is necessary + * @param name file/directory name to normalize + */ +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(); -//----------------------------------------------------------------------------- -gdcmDictSet *gdcmGlobal::Dicts = (gdcmDictSet *)0; -gdcmVR *gdcmGlobal::VR = (gdcmVR *)0; -gdcmTS *gdcmGlobal::TS = (gdcmTS *)0; -gdcmDicomDirElement *gdcmGlobal::ddElem = (gdcmDicomDirElement *)0; -gdcmGlobal gdcmGlob; - -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(); -} + if( name[size-1] != SEPARATOR_X && name[size-1] != SEPARATOR_WIN ) + { + name += SEPARATOR; + } + return name; +} + +/** + * \ingroup Globals + * \brief Get the (directory) path from a full path file name + * @param fullName file/directory name to extract Path from + */ +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); + } -gdcmGlobal::~gdcmGlobal() { - delete Dicts; - delete VR; - delete TS; - delete ddElem; + return res; } -gdcmVR *gdcmGlobal::GetVR(void) { - return VR; -} +/** + * \ingroup Globals + * \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; -gdcmTS *gdcmGlobal::GetTS(void) { - return TS; -} + 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; + } +} -gdcmDictSet *gdcmGlobal::GetDicts(void) { - return Dicts; -} -gdcmDicomDirElement *gdcmGlobal::GetDicomDirElements(void) { - return ddElem; +template +std::ostream& binary_write(std::ostream& os, const T& val) +{ + return os.write(reinterpret_cast(&val), sizeof val); } -//----------------------------------------------------------------------------- -// 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; - } - } - return is; +std::ostream& binary_write(std::ostream& os, const uint16_t& val) +{ +#ifdef GDCM_WORDS_BIGENDIAN + uint16_t *swap; + swap = (((*val>>8)&0xff) | ((*val&0xff)<<8)); + return os.write(reinterpret_cast(swap), 2); +#else + return os.write(reinterpret_cast(&val), 2); +#endif //GDCM_WORDS_BIGENDIAN } -/////////////////////////////////////////////////////////////////////////// -// 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); - } +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 } - -/////////////////////////////////////////////////////////////////////////// -// to prevent a flashing screen when non-printable character -char *_cleanString(char *v) { - char *d; - int i, l; - l = strlen(v); - for (i=0,d=v; - i +std::ostream& binary_write(std::ostream& os, const char* val) +{ + return os.write(val, strlen(val)); } -/////////////////////////////////////////////////////////////////////////// -// to prevent a flashing screen when non-printable character -std::string _CreateCleanString(std::string s) { - std::string str=s; - - for(int i=0;i0) - if(!isprint(s[str.size()-1])) - if(s[str.size()-1]==0) - str[str.size()-1]=' '; +} // end namespace gdcm - return(str); -}