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src/Core/StringReader.h

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+/*//////////////////////////////////////////////////////////////////////////////
+// CMT Cosmic Muon Tomography project //////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
+
+  Copyright (c) 2014, Universita' degli Studi di Padova, INFN sez. di Padova
+  All rights reserved
+
+  Authors: Andrea Rigoni Garola < andrea.rigoni@pd.infn.it >
+
+  ------------------------------------------------------------------
+  This library is free software;  you  can  redistribute  it  and/or
+  modify it  under the  terms  of  the  GNU  Lesser  General  Public
+  License as published  by  the  Free  Software  Foundation;  either
+  version 3.0 of the License, or (at your option) any later version.
+
+  This library is  distributed in  the hope that it will  be useful,
+  but  WITHOUT ANY WARRANTY;  without  even  the implied warranty of
+  MERCHANTABILITY  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of  the GNU Lesser General  Public
+  License along with this library.
+
+//////////////////////////////////////////////////////////////////////////////*/
+
+
+
+#ifndef U_CORE_STRINGREADER_H
+#define U_CORE_STRINGREADER_H
+
+#include <istream>
+#include <algorithm>
+
+#include "Core/Vector.h"
+#include <boost/lexical_cast.hpp>
+#include <boost/algorithm/string.hpp>
+
+
+// RIPENSARE COMPLETAMENTE !!!
+
+namespace uLib {
+
+struct StringReader {
+
+    std::istream & m_is;
+
+    StringReader(std::istream &is) : m_is(is) {}
+
+    void ReadString(const char *str) {
+        //        // clean compared string //
+        //        char chars[] = " \t\n";
+        //        for (unsigned int i = 0; i < strlen(chars); ++i)
+        //        { cmps.erase (std::remove(str.begin(), str.end(), chars[i]), str.end()); }
+
+        // SISTEMARE !!!
+
+        int  pos = 0;
+        char c;
+        while( pos < strlen(str) ) {
+            while( IsEscape(str[pos])) pos++;
+            if ( pos >= strlen(str) ) break;
+            while( IsEscape(c = m_is.get()) );
+            if (c == str[pos] ) pos++;
+            else pos = 0;
+        }        
+    }
+
+    static inline bool IsEscape(char c){
+        const char *escapes = " \r\n\t";
+        for ( int i = 0 ; i < 4 ; ++i) {
+            if(c == escapes[i]) return true;
+        }
+        return false;
+    }
+
+};
+
+template <typename T>
+inline StringReader & operator >> (StringReader &isr, T &t) {
+    isr.m_is >> t;
+    return isr;
+}
+
+inline StringReader & operator >> (StringReader &isr, const char *str) {
+    isr.ReadString(str);
+    return isr;
+}
+
+
+
+} // uLib
+
+
+#endif // STRINGREADER_H