X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=kernel%2Fsrc%2FbbtkUtilities.h;h=2b1b031559faf77899ab4c1d41a2bca122a815f2;hb=5e6e754f059d5fb6b25b883f89f76333228ba5c4;hp=b83193fd91e4aee1d9ec002fea8d31317cb5f13e;hpb=a26195c366a89795288009cf7e20f11afa494970;p=bbtk.git diff --git a/kernel/src/bbtkUtilities.h b/kernel/src/bbtkUtilities.h index b83193f..2b1b031 100644 --- a/kernel/src/bbtkUtilities.h +++ b/kernel/src/bbtkUtilities.h @@ -3,8 +3,8 @@ Program: bbtk Module: $RCSfile: bbtkUtilities.h,v $ Language: C++ - Date: $Date: 2008/01/22 15:02:00 $ - Version: $Revision: 1.1 $ + Date: $Date: 2008/03/10 06:24:13 $ + Version: $Revision: 1.13 $ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de l'Image). All rights reserved. See doc/license.txt or @@ -26,18 +26,371 @@ * \class bbtk::Utilities * \brief various usefull methods */ - + #ifndef __bbtkUtilities_h_INCLUDED__ #define __bbtkUtilities_h_INCLUDED__ +#include "bbtkConfigurationFile.h" #include "bbtkSystem.h" #include +#include +#ifdef CMAKE_HAVE_TERMIOS_H +#include +#define BBTK_USE_TERMIOS_BASED_PROMPT +#endif + +#ifdef _MSC_VER + #include + #include +#else + #include + #include +#endif + +#include // std::toupper +//#include "bbtkMessageManager.h" namespace bbtk { /// Holds various usefull methods struct BBTK_EXPORT Utilities - { + { + +// =================================================================================== + + // See : http://www.techbytes.ca/techbyte103.html for more O.S. + static inline bool FileExists(std::string strFilename) + { + struct stat stFileInfo; + bool blnReturn; + int intStat; + + // Attempt to get the file attributes + intStat = stat(strFilename.c_str(),&stFileInfo); + if(intStat == 0) { + // We were able to get the file attributes + // so the file obviously exists. + blnReturn = true; + } else { + // We were not able to get the file attributes. + // This may mean that we don't have permission to + // access the folder which contains this file. If you + // need to do that level of checking, lookup the + // return values of stat which will give you + // more details on why stat failed. + blnReturn = false; + } + + return(blnReturn); + } + + +// =================================================================================== + + static std::string ExtractPackageName(const std::string &name, + std::string& path) + { + std::string pkgname; + path = ""; + + std::string::size_type slash_position = name.find_last_of("/\\"); + if (slash_position != std::string::npos) + { + pkgname = name.substr(slash_position+1,std::string::npos); + path = name.substr(0,slash_position); + // std::cout << "F:P='"<.so + + // remove {libbb} if any + if (memcmp ( pkgname.c_str(), "libbb", 5) == 0) { + pkgname = pkgname.substr(5, pkgname.length()); + } + /* + /// \ \todo what would happen if (stupid) user names his package 'libbb' ?!? + /// \ --> Should be forbidden! + */ +#elif defined(_WIN32) + + // WIN 32 mechanism + // shared lib name = .dll + +// EED Problem loading package call bbtkTools +// // remove {bb} if any + if (memcmp (pkgname.c_str(), "bb", 2) == 0) { + pkgname = pkgname.substr(2, pkgname.length()); + } + + /* + /// \ \todo what would happen if (stupid) user names his package 'bb' ?!? + /// \ --> Should be forbidden! + */ +#else + bbtkError("neither __GNUC__ nor _WIN32 ?!? How did you compile ?"); +#endif + return pkgname; + } + +// =================================================================================== + + static std::string ExtractScriptName(const std::string &name, + std::string& path) + { + std::string pkgname; + + std::string::size_type slash_position = name.find_last_of("/\\"); + if (slash_position != std::string::npos) { + pkgname =name.substr(slash_position+1,std::string::npos); + path = name.substr(0,slash_position); + } else { + pkgname = name; + } + // remove {.bbs } if any + std::string::size_type dot_position = pkgname.find_last_of('.'); + if (dot_position != std::string::npos){ + pkgname = pkgname.substr(0,dot_position); + } + return pkgname; + } + +// =================================================================================== + + static std::string ExpandLibName(const std::string &name, bool verbose) + { + // ----- Think of expanding path name ( ./ ../ ../../ ) + + char buf[2048]; // for getcwd + char * currentDir = getcwd(buf, 2048); + std::string cwd(currentDir); + std::string libname(name); + std::string fileSeparator; + fileSeparator = ConfigurationFile::GetInstance().Get_file_separator(); + // tooHigh : true is user supplies a library pathname with too many "../" + bool tooHigh = false; + +//std::cout << "------------------cwd [" << cwd << "] name [" << name << "]" << std::endl; + + if ( name[0] == '/' || name[1] == ':' ) // Linux or Windows absolute name + { + return(libname); + } + else if ( name =="." ) + { + libname = cwd + fileSeparator; + return(libname); + } + else if (name[0] == '.' && (name[1] == '/' || name[1] == '\\') ) + { + libname = cwd + fileSeparator + name.substr(2, name.length()); + return(libname); + } + else if ( name[0] == '.' && name[1] == '.' /* && (name[2] == '/' || name[2] == '\\') */ ) + { + if ( IsAtRoot(cwd) ) // hope it gets / (for Linux), C: D: (for Windows) + { + // if we are already at / or c: --> hopeless + if (verbose) + std::cout << " File path [" << name << "] doesn't exist" << std::endl; + tooHigh = true; + } + else + { + // iterate on ../ and go up from the current working dir! + std::string a(name); + bool alreadyProcessRoot = false; + + //if (a[a.size()-1] != fileSeparator[0]) + // a.append(fileSeparator); +//std::cout << "------------------a [" << a << "]" << std::endl; + + for(;;) // wild loop ! + { + std::string::size_type slash_position = cwd.find_last_of(fileSeparator); + if (slash_position != std::string::npos) { + if (slash_position == 0) + slash_position = 1; + cwd = cwd.substr(0,slash_position/*+1*/); +//std::cout << "------------------cwd [" << cwd << "]" << std::endl; + // if (a == "..") { + // a = ""; + // break; + // } + // else + a = a.substr(3, /*name.length()*/ a.length()); // remove ../ +//std::cout << "------------------a [" << a << "]" << std::endl; + if (a == "" || alreadyProcessRoot) + { + if (verbose) + std::cout << " File path : [" << name << "] doesn't exist" << std::endl; + tooHigh = true; + break; + } + // std::string b = cwd + a; + libname = cwd; + char c = cwd[cwd.size()-1]; + if (c != '/' && c != '\\' ) + libname += fileSeparator; + libname += a; + + if ( a[0] != '.' ) // if . (probabely ../), loop again + break; + + if (IsAtRoot(cwd)) + alreadyProcessRoot = true; + } + } // end iterating on ../ + } +//std::cout << "------------------out of loop]" << std::endl; + if (tooHigh) + libname=""; + return (libname); + + } // ----- End of expanding path name ( ./ ../ ../../ ) + + std::cout <<"* ERROR in ExpandLibName : should never get here!" << std::endl; + // To avoid warning + return(""); // Will never get here! + } + +// =================================================================================== + + static std::string MakeLibnameFromPath(std::string path, std::string pkgname) + { + std::string libname = path; + char c = path[path.size()-1]; +#if defined(__GNUC__) + if (c != '/') + libname += "/libbb"; + else + libname += "libbb"; + libname += pkgname; + libname += ".so"; + +#elif defined(_WIN32) + if (c != '\\') + libname = path+"\\bb"; + libname += pkgname; + libname += ".dll"; +#endif + return libname; + } + +// =================================================================================== + + static inline std::string MakePkgnameFromPath(std::string path, std::string pkgname, bool addExt) + { + std::string libname = path; + char c = path[path.size()-1]; + if (c != '/' && c != '\\') + { + libname += ConfigurationFile::GetInstance().Get_file_separator (); + } + libname += pkgname; + if (addExt) + { + int l = libname.size(); + if (l>4) + { + if (libname.substr(l-4, 4) != ".bbs") + { + libname = libname + ".bbs"; + } + } + } + return libname; + } + +// =================================================================================== + + static inline bool IsAtRoot(std::string cwd) + { + if ( cwd == "/" // hope it gets / (for Linux) + || (cwd.size() <= 3 && cwd[1] == ':') ) // hope it gets C: D: (for Windows) + return (true); + else + return(false); + } + +// =================================================================================== + +static bool IsDirectory(std::string const &dirName) +{ + struct stat fs; + + if ( stat(dirName.c_str(), &fs) == 0 ) + { +#if _WIN32 + return ((fs.st_mode & _S_IFDIR) != 0); +#else + return S_ISDIR(fs.st_mode); +#endif + } + else + { + return false; + } +} + +// =================================================================================== + + static inline void SplitAroundFirstDot( const std::string& in, + std::string& left, + std::string& right) + { + std::string delimiter = "."; + std::string::size_type pos = in.find_first_of(delimiter); + if (std::string::npos != pos) + { + left = in.substr(0,pos); + right = in.substr(pos+1,in.size()); + + } + else + { + // bbtkError(in<<" : expected 'a.b' format but no dot found"); + left =""; + right = ""; + } + } + //======================================================================= + static inline void SplitString ( const std::string& str, + const std::string& delimiters, + std::vector& tokens) + { + // Skip delimiters at beginning. + std::string::size_type lastPos = str.find_first_not_of(delimiters, 0); + // Find first delimiter. + std::string::size_type pos = str.find_first_of(delimiters, lastPos); + + while (std::string::npos != pos || std::string::npos != lastPos) + { + // Found a token, add it to the vector. + tokens.push_back(str.substr(lastPos, pos - lastPos)); + // Skip delimiters. Note the "not_of" + lastPos = str.find_first_not_of(delimiters, pos); + // Find next delimiter + pos = str.find_first_of(delimiters, lastPos); + } + + } + //======================================================================= + + +// =================================================================================== + static inline std::string get_file_name(const std::string& s) { std::string::size_type slash_position = s.find_last_of("/\\"); @@ -48,39 +401,155 @@ namespace bbtk else { return s; - } + } } + +// =================================================================================== +/** + * \brief Explore a directory with possibility of recursion + * return number of files read + * @param dirpath directory to explore + * @param recursive whether we want recursion or not + */ +static int Explore(std::string const &dirpath, bool recursive, std::vector &Filenames) +{ + int numberOfFiles = 0; + std::string fileName; + + std::string dirName = dirpath; + +#ifdef _MSC_VER + WIN32_FIND_DATA fileData; + HANDLE hFile = FindFirstFile((dirName+"*").c_str(), &fileData); + + for(BOOL b = (hFile != INVALID_HANDLE_VALUE); b; + b = FindNextFile(hFile, &fileData)) + { + fileName = fileData.cFileName; + if ( fileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) + { + // Need to check for . and .. to avoid infinite loop + if ( fileName != "." && fileName != ".." && recursive ) + { + numberOfFiles += Explore(dirName+ "\\"+fileName,recursive,Filenames); + } + } + else + { + Filenames.push_back(dirName+fileName); + numberOfFiles++; + } + } + DWORD dwError = GetLastError(); + if (hFile != INVALID_HANDLE_VALUE) + FindClose(hFile); + if (dwError != ERROR_NO_MORE_FILES) + { + LPVOID lpMsgBuf; + FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER| + FORMAT_MESSAGE_FROM_SYSTEM| + FORMAT_MESSAGE_IGNORE_INSERTS, + NULL,GetLastError(), + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language + (LPTSTR) &lpMsgBuf,0,NULL); + + // ErrorMacro("FindNextFile error. Error is " << (char *)lpMsgBuf + // <<" for the directory : "<d_name; +//std::cout <<"in Explor filename[" << fileName << "]" << std::endl; + if( stat(fileName.c_str(), &buf) != 0 ) + { + //ErrorMacro( strerror(errno) ); + } + if ( S_ISREG(buf.st_mode) ) //is it a regular file? + { + Filenames.push_back( fileName ); + numberOfFiles++; + } + else if ( S_ISDIR(buf.st_mode) ) //directory? + { + if ( d->d_name[0] != '.' && recursive ) //we also skip hidden files + { + numberOfFiles += Explore( fileName, recursive, Filenames); + } + } + else + { + //ErrorMacro( "Unexpected error" ); + return -1; + } + } + if( closedir(dir) != 0 ) + { + // ErrorMacro( strerror(errno) ); + } +#endif + + return numberOfFiles; +} //======================================================================== - // Usefull functions for html generation - - //======================================================================== + // Usefull functions for html generation + //======================================================================== + static inline void replace( std::string& str, - const std::string& from, - const std::string& to ) + const std::string& what, + const std::string& with ) { - using std::string; - string::size_type pos = str.find( from ); - while ( pos != string::npos ) + std::string::size_type pos = str.find( what ); + while ( pos != std::string::npos ) { - str.replace( pos, from.size(), to ); - pos = str.find( from, pos+from.size()-1 ); + str.replace( pos, what.size(), with ); + pos = str.find( what, pos+what.size()-1 ); } } //======================================================================== - //======================================================================== static inline void html_format(std::string& str) { replace( str, "&", "&" ); replace( str, "<", "<" ); replace( str, ">", ">" ); } + + + //======================================================================== + // Usefull functions OPTIONS string //======================================================================== + + static bool loosematch(std::string stdLine,std::string stdOptions); + + + + }; + } // namespace bbtk #endif //#ifndef __bbtkUtilities_h_INCLUDED__