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/* Copyright (c) 2012 Massachusetts Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef __STRING_H__
#define __STRING_H__
#include <string>
#include <cstdarg>
#include <vector>
#include <sstream>
#include <bitset>
namespace LibUtil
{
using std::string;
using std::vector;
class String : public string
{
public:
static String format(const String& format_, ...);
static String format(const String& format_, va_list args_);
template<class T> static String toString(const T& value_);
static String toBitString(unsigned int value_, unsigned int num_bits_);
template<class T> static T fromString(const String& str_);
private:
static const unsigned int msBufferSize;
public:
String();
String(const string& str_);
String(const char* str_, size_t n);
String(const char* str_);
String(size_t n, char c);
String(int value_);
String(unsigned int value_);
String(long value_);
String(unsigned long value_);
String(float value_);
String(double value_);
String(bool value_);
~String();
public:
// Remove leading and trailing whitespace
String& trim();
// Substitute str1 with str2
String& substitute(const String& str1_, const String& str2_);
// Split the String into vector of Strings separated by delimiters_
vector<String> split(const char* delimiters_) const;
vector<String> split(const String* delimiters_, unsigned int num_delimiters_ = 1) const;
vector<String> splitByString(const String& delimiters_) const;
// Check if contains str
bool contain(const String& str_) const;
public:
// Convertions
const char* toCString() const;
int toInt() const;
unsigned int toUInt() const;
long toLong() const;
unsigned long toULong() const;
float toFloat() const;
double toDouble() const;
bool toBool() const;
operator const char*() const;
operator int() const;
operator unsigned int() const;
operator long() const;
operator unsigned long() const;
operator float() const;
operator double() const;
operator bool() const;
String& operator=(char c_);
};
template<class T> String String::toString(const T& value_)
{
std::ostringstream ost;
ost << value_;
return ost.str();
}
template<> inline String String::toString<bool>(const bool& value_)
{
if(value_ == true)
{
return "TRUE";
}
else
{
return "FALSE";
}
}
inline String String::toBitString(unsigned int value_, unsigned int num_bits_)
{
std::bitset<sizeof(unsigned int)*8> bitSet(value_);
String ret = String(bitSet.to_string());
ret = ret.substr(ret.length()-num_bits_);
return ret;
}
template<class T> T String::fromString(const String& str_)
{
T ret;
std::istringstream ist(str_);
ist >> ret;
return ret;
}
template<> inline String String::fromString<String>(const String& str_)
{
return str_;
}
template<> inline bool String::fromString<bool>(const String& str_)
{
bool ret;
if((str_ == String("TRUE")) || (str_ == String("true")))
{
ret = true;
}
else if((str_ == string("FALSE")) || (str_ == String("false")))
{
ret = false;
}
else
{
//std::cerr << "Invalid bool value: " << str_ << std::endl;
throw ("Invalid bool value: " + str_);
}
return ret;
}
template<class T> String arrayToString(
const T* array_, unsigned int start_index_, unsigned int end_index_,
const String& delimiters_
)
{
// Ensure end_index_ >= start_index_ + 1
if(end_index_ <= start_index_)
{
throw("Invalid index range: start_index = " + (String)start_index_ + ", end_index = " + (String)end_index_);
}
String ret = "[";
for(unsigned int i = start_index_; i < (end_index_-1); ++i)
{
ret += (String)array_[i] + delimiters_;
}
ret += (String)array_[end_index_-1] + "]";
return ret;
}
template<class T> String arrayToString(const T* array_, unsigned int num_elements_)
{
return arrayToString(array_, 0, num_elements_, ", ");
}
template<class T> String arrayToString(const T* array_, unsigned int start_index_, unsigned int end_index_)
{
return arrayToString(array_, start_index_, end_index_);
}
template<class T> String vectorToString(
const vector<T>& vector_, unsigned int start_index_, unsigned int end_index_,
const String& delimiters_
)
{
// Ensure end_index_ >= start_index_ + 1, or if the vector is empty
if((end_index_ <= start_index_) || (end_index_ > vector_.size()))
{
// If the vector is empty, return empty array
if (vector_.size() == 0)
return "[]";
throw("Invalid index range: start_index = " + (String)start_index_ + ", end_index = " + (String)end_index_);
}
String ret = "[";
for(unsigned int i = start_index_; i < (end_index_-1); ++i)
{
ret += (String)vector_[i] + delimiters_;
}
ret += (String)vector_[end_index_-1] + "]";
return ret;
}
template<class T> String vectorToString(const vector<T>& vector_)
{
return vectorToString(vector_, 0, vector_.size(), ", ");
}
template<class T> String vectorToString(const vector<T>& vector_, unsigned int num_elements_)
{
return vectorToString(vector_, 0, num_elements_, ", ");
}
template<class T> String vectorToString(const vector<T>& vector_, unsigned int start_index_, unsigned int end_index_)
{
return vectorToString(vector_, start_index_, end_index_);
}
template<class T> vector<T> castStringVector(const vector<String>& vector_)
{
vector<T> ret_vector;
for(unsigned int i = 0; i < vector_.size(); ++i)
{
ret_vector.push_back((T)vector_[i]);
}
return ret_vector;
}
std::istream& safeGetline(std::istream& is_, String& str_);
} // namespace LibUtil
#endif // __STRING_H__
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