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
#ifndef __bbtkUtilities_h_INCLUDED__
#define __bbtkUtilities_h_INCLUDED__
+#include "bbtkConfigurationFile.h"
#include "bbtkSystem.h"
#include <string>
+#include <sys/stat.h>
+#ifdef CMAKE_HAVE_TERMIOS_H
+#include <termios.h>
+#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='"<<path<<"'"<<std::endl;//+1,std::string::npos);
+ }
+ else
+ {
+ pkgname = name;
+ }
+
+ // remove {.so | dll} if any
+ std::string::size_type dot_position = pkgname.find_last_of('.');
+ if (dot_position != std::string::npos){
+ pkgname = pkgname.substr(0,dot_position);
+ }
+#if defined(__GNUC__)
+
+ // GCC mechanism
+ // shared lib name = libbb<name>.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 = <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("/\\");
else
{
return s;
- }
+ }
}
git://git.creatis.insa-lyon.fr / bbtk.git / blobdiff