Program: bbtk
Module: $RCSfile: bbtkUtilities.h,v $
Language: C++
- Date: $Date: 2008/03/10 06:24:13 $
- Version: $Revision: 1.13 $
+ Date: $Date: 2008/03/26 08:27:19 $
+ Version: $Revision: 1.14 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See doc/license.txt or
/// 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;
+
+ // ======================================================================
+ // 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;
- }
-
+ 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
+
+
+ // =====================================================================
+
+ static std::string ExtractPackageName(const std::string &name,
+ std::string& path)
{
- 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);
- }
+ 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
-
+
+ // 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());
- }
+ 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' ?!?
+ /// \ \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());
- }
-
- /*
+
+ // 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 ?");
+ 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;
}
- 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 =="." )
+ //=====================================================================
+ static std::string ExtractScriptName(const std::string &name,
+ std::string& path)
{
- libname = cwd + fileSeparator;
- return(libname);
- }
- else if (name[0] == '.' && (name[1] == '/' || name[1] == '\\') )
- {
- libname = cwd + fileSeparator + name.substr(2, name.length());
- return(libname);
+ 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;
}
- else if ( name[0] == '.' && name[1] == '.' /* && (name[2] == '/' || name[2] == '\\') */ )
+
+ // ========================================================================
+
+ static std::string ExpandLibName(const std::string &name, bool verbose)
{
- if ( IsAtRoot(cwd) ) // hope it gets / (for Linux), C: D: (for Windows)
+ // ----- 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)
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 )
- {
+ //========================================================================
+
+ 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);
+ return ((fs.st_mode & _S_IFDIR) != 0);
#else
- return S_ISDIR(fs.st_mode);
+ return S_ISDIR(fs.st_mode);
#endif
- }
- else
- {
- return false;
- }
-}
-
-// ===================================================================================
-
+ }
+ 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());
-
- }
+ {
+ 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 = "";
- }
+ {
+ // 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);
+ //=======================================================================
+ 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);
+ }
+
+ }
+ //=======================================================================
- 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("/\\");
if (slash_position != std::string::npos)
- {
- return s.substr(slash_position+1,std::string::npos);
- }
+ {
+ return s.substr(slash_position+1,std::string::npos);
+ }
else
- {
- return s;
- }
+ {
+ 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;
-
+ // ===================================================================================
+ /**
+ * \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;
+ WIN32_FIND_DATA fileData;
HANDLE hFile = FindFirstFile((dirName+"*").c_str(), &fileData);
for(BOOL b = (hFile != INVALID_HANDLE_VALUE); b;
}
+
+ //=======================================================================
+ // Replaces substrings "\\n" by a real carriage return "\n"
+ static inline void SubsBackslashN ( std::string& s )
+ {
+ std::string ss("\\n");
+ std::string::size_type pos = 0;
+ pos = s.find(ss,0);
+ char* cr = "\n";
+ while ( pos != std::string::npos )
+ {
+ s.replace(pos,2,cr,1);
+ pos = s.find(ss, pos-1);
+ }
+ }
+ //=======================================================================
+
+
//========================================================================
// Usefull functions for html generation
//========================================================================