Now we may again use absolute/relative paths for scripts and packages

[bbtk.git] / kernel / src / bbtkUtilities.h

diff --git a/kernel/src/bbtkUtilities.h b/kernel/src/bbtkUtilities.h
index 51f85193ff0b9ec5554611e86cb3ff44d0ae9662..2e771a94baca939286ac7941fb263774b738e661 100644 (file)
--- 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: 2008/01/23 07:51:51 $
-  Version:   $Revision: 1.3 $
+  Date:      $Date: 2008/01/28 09:12:49 $
+  Version:   $Revision: 1.4 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See doc/license.txt or
@@ -39,11 +39,17 @@
 #define BBTK_USE_TERMIOS_BASED_PROMPT
 #endif
 
+//#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) 
    {
@@ -81,23 +87,23 @@ namespace bbtk
 
     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); 
-      } 
+    {
+          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;  
-      }      
-          
+    {
+          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
 
@@ -117,8 +123,8 @@ namespace bbtk
      // 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!
@@ -159,20 +165,28 @@ namespace bbtk
     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 << "]" << std::endl;
+ 
     if ( name[0] == '/' ||  name[0] == '\\' )
     {
       return(libname);
-    } 
-    else if  (name[0] == '.' && (name[1] == '/' || name[1] == '\\') ) 
+    }
+    else if  ( name =="." )
     {
-      libname = cwd  + ConfigurationFile::GetInstance().Get_file_separator () + name.substr(2, name.length());
+      libname = cwd  + fileSeparator;
       return(libname);
-    } 
-    else if ( name[0] == '.' &&  name[1] == '.' && (name[2] == '/' || name[2] == '\\') ) 
+    }
+    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)
       {  
@@ -186,18 +200,30 @@ namespace bbtk
          // iterate on ../ and go up from the current working dir!
          std::string a(name); 
          bool alreadyProcessRoot = false;
-         for(;;)
+
+          //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(ConfigurationFile::GetInstance().Get_file_separator ());
+            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*/);
-                 a = a.substr(3, name.length());  // remove ../
+//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;
+                  std::cout << "   File path : [" <<  name << "] doesn't exist" << std::endl;
                 tooHigh = true;
                 break;
               }
@@ -205,7 +231,7 @@ namespace bbtk
               libname =  cwd;
               char c = cwd[cwd.size()-1];
               if (c != '/' && c != '\\' )
-                libname += ConfigurationFile::GetInstance().Get_file_separator ();
+                libname += fileSeparator;
               libname += a;
 
               if ( a[0] != '.' ) // if . (probabely ../), loop again
@@ -216,12 +242,14 @@ namespace bbtk
             }
          } // 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!
   }
@@ -235,6 +263,8 @@ namespace bbtk
 #if defined(__GNUC__)
        if (c != '/')
           libname += "/libbb";
+       else
+          libname += "libbb";
        libname += pkgname;
        libname += ".so";
          
@@ -271,6 +301,7 @@ namespace bbtk
       return(false);
 }
 
+
 // ===================================================================================
 
     static inline void SplitAroundFirstDot( const std::string& in,
@@ -287,12 +318,14 @@ namespace bbtk
       }
       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 std::string get_file_name(const std::string& s) 
     { 
       std::string::size_type slash_position = s.find_last_of("/\\");
@@ -308,9 +341,9 @@ namespace bbtk
 
 
   //========================================================================
-    // 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 )
@@ -325,7 +358,6 @@ namespace bbtk
     }
     //========================================================================
 
-    //========================================================================
     static inline void html_format(std::string& str)
     {
       replace( str, "&", "&amp;" );