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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// 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 2 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; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#ifndef _StringHelper_H_
#define _StringHelper_H_
#include "../api.h"
#include "Exception.h"
#include <string>
#include <sstream>
#include <typeinfo>
#include <iostream>
#include <vector>
#ifdef __GNUC__
#include <cxxabi.h>
#endif
namespace avg {
bool AVG_API isWhitespace(const std::string& s);
void AVG_API skipWhitespace(std::istream& is);
void AVG_API skipToken(std::istream& is, char token);
template<class T>
std::istream& operator >>(std::istream& is, std::vector<T>& v)
{
skipToken(is, '(');
skipWhitespace(is);
int c = is.peek();
if (c == ')') {
is.ignore();
return is;
}
bool bDone = false;
do {
T elem;
is >> elem;
v.push_back(elem);
skipWhitespace(is);
int c = is.peek();
switch(c) {
case ',':
is.ignore();
break;
case ')':
bDone = true;
is.ignore();
break;
default:
is.setstate(std::ios::failbit);
bDone = true;
}
} while (!bDone);
return is;
}
int AVG_API stringToInt(const std::string& s);
float AVG_API stringToFloat(const std::string& s);
bool AVG_API stringToBool(const std::string& s);
std::string AVG_API removeStartEndSpaces(const std::string& s);
std::string AVG_API toLowerCase(const std::string& s);
bool AVG_API equalIgnoreCase(const std::string& s1, const std::string& s2);
template<class T>
std::string toString(const T& i)
{
std::stringstream stream;
stream << i;
return stream.str();
}
std::string AVG_API toString(const bool& b);
template<class T>
std::string getFriendlyTypeName(const T& dummy)
{
std::string sTypeName = typeid(T).name();
#ifdef __GNUC__
int status;
char* const pClearName = abi::__cxa_demangle (sTypeName.c_str(), 0, 0, &status);
if (status == 0) {
sTypeName = pClearName;
}
#endif
return sTypeName;
}
template<class T>
void fromString(const std::string& s, T& result)
{
std::stringstream stream(s);
bool bOk = (stream >> result) != 0;
if (bOk) {
std::string sLeftover;
stream >> sLeftover;
bOk = isWhitespace(sLeftover);
}
if (!bOk) {
std::string sTypeName = getFriendlyTypeName(result);
throw (Exception(AVG_ERR_TYPE, std::string("Could not convert '")+s
+ "' to "+sTypeName+"."));
}
}
}
#endif
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