changed: upload function

select file type by the extension
         param: multi
fixed:   uptime function
         it showed incorrect uptime time (minuts were badly calculated)


git-svn-id: svn://ttmath.org/publicrep/winix/trunk@575 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/misc.cpp

@@ -50,6 +50,9 @@ return false;
 }
 
 
+
+// this function checks how many dots there are in the url
+// if there are more than one (last) dot then the first dots will be changed into '_'
 void CorrectUrlDots(std::string & url)
 {
 size_t i = url.size();
@@ -73,7 +76,7 @@ void CorrectUrlChars(std::string & url)
 {
 std::string::iterator i;	
 
-	for(i = url.begin(); i!=url.end() ; ++i)
+	for(i=url.begin(); i != url.end() ; ++i)
 	{
 		if( !CorrectUrlChar(*i) )
 		{
@@ -215,6 +218,9 @@ void HtmlEscapeFormTxt(std::ostringstream & out, const std::string & in)
 std::string::const_iterator i;
 int was_enter = 0; // how many enteres there were before
 
+	if( in.empty() )
+		return;
+
 	out << "<p>";
 
 	// skipping first new line characters
@@ -485,15 +491,15 @@ return false;
 }
 
 
-bool EqualNoCase(const char * short_str, const char * long_str)
+bool EqualNoCase(const char * str1, const char * str2)
 {
-	while( *short_str && *long_str && ToSmall(*short_str) == ToSmall(*long_str) )
+	while( *str1 && *str2 && ToSmall(*str1) == ToSmall(*str2) )
 	{
-		++short_str;
-		++long_str;
+		++str1;
+		++str2;
 	}
 
-	if( *short_str == 0 && *long_str == 0 )
+	if( *str1 == 0 && *str2 == 0 )
 		return true;
 
 return false;
@@ -555,3 +561,54 @@ bool IsFile(const std::string & file)
 {
 	return IsFile(file.c_str());
 }
+
+
+// if there is not an extension it returns a pointer to the last '\0' character
+const char * GetFileExt(const char * name)
+{
+size_t i, ilast;
+
+	// looking for the end of the name
+	for(i=0 ; name[i] != 0 ; ++i);
+
+	if( i == 0 )
+		return name; // ops, the name is empty
+
+	// remember the end of the string
+	ilast = i;
+
+	// looking for the last dot
+	for(--i ; i>0 && name[i] != '.' ; --i);
+
+	if( name[i] != '.' )
+		return name + ilast; // ops, there is not a dot
+
+	// the extensions starts from i+1
+	// and can be empty (if the last character is a dot)
+
+return name + i + 1; 
+}
+
+
+Item::StaticAuth SelectFileType(const char * file_name)
+{
+	const char * ext = GetFileExt(file_name);
+
+	// as an image we're using only those types which can be rendered
+	// by a web browser
+	if( EqualNoCase(ext, "jpg") ||
+		EqualNoCase(ext, "gif") ||
+		EqualNoCase(ext, "png") )
+		return Item::static_image;
+
+	if( EqualNoCase(ext, "pdf") ||
+		EqualNoCase(ext, "doc") ||
+		EqualNoCase(ext, "xls") ||
+		EqualNoCase(ext, "txt") ||
+		EqualNoCase(ext, "ods") ||
+		EqualNoCase(ext, "odt") )
+		return Item::static_document;
+
+return Item::static_other;
+}
+