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
* \class bbtk::Utilities
* \brief various usefull methods
*/
-
+
#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
+
+#ifdef _MSC_VER
+ #include <windows.h>
+ #include <direct.h>
+#else
+ #include <dirent.h>
+ #include <sys/types.h>
+#endif
+
+#include <cctype> // 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='"<<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
+
+// 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<std::string>& 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("/\\");
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<std::string> &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 : "<<dirName);
+
+ return 0;
+ }
+
+#else
+ // Real POSIX implementation: scandir is a BSD extension only, and doesn't
+ // work on debian for example
+//std::cout <<"in Explor dirname[" << dirName << "]" << std::endl;
+ DIR* dir = opendir(dirName.c_str());
+ if (!dir)
+ {
+ return 0;
+ }
+//std::cout <<"Open OK" << std::endl;
+ // According to POSIX, the dirent structure contains a field char d_name[]
+ // of unspecified size, with at most NAME_MAX characters preceeding the
+ // terminating null character. Use of other fields will harm the porta-
+ // bility of your programs.
+
+ struct stat buf;
+ dirent *d;
+ for (d = readdir(dir); d; d = readdir(dir))
+ {
+ fileName = dirName + "/" + d->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__
git://git.creatis.insa-lyon.fr / bbtk.git / blobdiff