Added openAlpr support library

src/openalpr/support/filesystem.cpp

@@ -0,0 +1,76 @@
+#include "filesystem.h"
+
+
+
+bool hasEnding (std::string const &fullString, std::string const &ending)
+{
+    if (fullString.length() >= ending.length()) {
+        return (0 == fullString.compare (fullString.length() - ending.length(), ending.length(), ending));
+    } else {
+        return false;
+    }
+}
+
+bool DirectoryExists( const char* pzPath )
+{
+    if ( pzPath == NULL) return false;
+
+    DIR *pDir;
+    bool bExists = false;
+
+    pDir = opendir (pzPath);
+
+    if (pDir != NULL)
+    {
+        bExists = true;    
+        (void) closedir (pDir);
+    }
+
+    return bExists;
+}
+
+bool fileExists( const char* pzPath )
+{
+    if (pzPath == NULL) return false;
+
+    bool fExists = false;
+    std::ifstream f(pzPath); 
+    fExists = f.is_open();
+    f.close();
+    return fExists;
+}
+
+std::vector<std::string> getFilesInDir(const char* dirPath)
+{
+  DIR *dir;
+  
+  std::vector<std::string> files;
+  
+  struct dirent *ent;
+  if ((dir = opendir (dirPath)) != NULL) {
+    /* print all the files and directories within directory */
+    while ((ent = readdir (dir)) != NULL) {
+      if (strcmp(ent->d_name, ".") != 0 && strcmp(ent->d_name, "..") != 0)
+	files.push_back(ent->d_name);
+    }
+    closedir (dir);
+  } else {
+    /* could not open directory */
+    perror ("");
+    return files;
+  }
+  
+  return files;
+}
+
+
+bool stringCompare( const std::string &left, const std::string &right ){
+   for( std::string::const_iterator lit = left.begin(), rit = right.begin(); lit != left.end() && rit != right.end(); ++lit, ++rit )
+      if( tolower( *lit ) < tolower( *rit ) )
+         return true;
+      else if( tolower( *lit ) > tolower( *rit ) )
+         return false;
+   if( left.size() < right.size() )
+      return true;
+   return false;
+}