X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=kernel%2Fsrc%2FbbtkUtilities.h;h=d9c3193a0a07eac9f7c8cdcefb62fed751a76e84;hb=6990a8aeeaf98fc901ed193b95365b2eee2fb950;hp=b83193fd91e4aee1d9ec002fea8d31317cb5f13e;hpb=a26195c366a89795288009cf7e20f11afa494970;p=bbtk.git diff --git a/kernel/src/bbtkUtilities.h b/kernel/src/bbtkUtilities.h index b83193f..d9c3193 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: 2008/01/22 16:55:04 $ + Version: $Revision: 1.2 $ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de l'Image). All rights reserved. See doc/license.txt or @@ -30,14 +30,271 @@ #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 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 + + // 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 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); + } 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); + + // tooHigh : true is user supplies a library pathname with too many "../" + bool tooHigh = false; + + if ( name[0] == '/' || name[0] == '\\' ) + { + return(libname); + } + else if (name[0] == '.' && (name[1] == '/' || name[1] == '\\') ) + { + libname = cwd + ConfigurationFile::GetInstance().Get_file_separator () + 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; + for(;;) + { + std::string::size_type slash_position = cwd.find_last_of(ConfigurationFile::GetInstance().Get_file_separator ()); + if (slash_position != std::string::npos) { + if (slash_position == 0) + slash_position = 1; + cwd = cwd.substr(0,slash_position/*+1*/); + a = a.substr(3, name.length()); // remove ../ + 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 += ConfigurationFile::GetInstance().Get_file_separator (); + libname += a; + + if ( a[0] != '.' ) // if . (probabely ../), loop again + break; + + if (IsAtRoot(cwd)) + alreadyProcessRoot = true; + } + } // end iterating on ../ + } + if (tooHigh) + libname=""; + return (libname); + + } // ----- End of expanding path name ( ./ ../ ../../ ) + + // 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"; + 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) + { + std::string libname = path; + char c = path[path.size()-1]; + if (c != '/' && c != '\\') + libname += ConfigurationFile::GetInstance().Get_file_separator (); + libname += pkgname; + 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 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 std::string get_file_name(const std::string& s) { std::string::size_type slash_position = s.find_last_of("/\\"); @@ -48,7 +305,7 @@ namespace bbtk else { return s; - } + } }