icinga2/lib/base/qstring.h

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/******************************************************************************
* Icinga 2 *
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* Copyright (C) 2012-2013 Icinga Development Team (http://www.icinga.org/) *
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* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef STRING_H
#define STRING_H
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#include "base/i2-base.h"
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#include <boost/range/iterator.hpp>
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#include <ostream>
#include <istream>
#include <utility>
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namespace icinga {
class Value;
/**
* String class.
*
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* Rationale for having this: The std::string class has an ambiguous assignment
* operator when used in conjunction with the Value class.
*/
class I2_BASE_API String
{
public:
typedef std::string::iterator Iterator;
typedef std::string::const_iterator ConstIterator;
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typedef std::string::iterator iterator;
typedef std::string::const_iterator const_iterator;
String(void);
String(const char *data);
String(const std::string& data);
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String(size_t n, char c);
template<typename InputIterator>
String(InputIterator begin, InputIterator end)
: m_Data(begin, end)
{ }
String(const String& other);
String& operator=(const String& rhs);
String& operator=(const std::string& rhs);
String& operator=(const char *rhs);
const char& operator[](size_t pos) const;
char& operator[](size_t pos);
String& operator+=(const String& rhs);
String& operator+=(const char *rhs);
String& operator+=(const Value& rhs);
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String& operator+=(char rhs);
bool IsEmpty(void) const;
bool operator<(const String& rhs) const;
operator const std::string&(void) const;
const char *CStr(void) const;
void Clear(void);
size_t GetLength(void) const;
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std::string& GetData(void);
size_t Find(const String& str, size_t pos = 0) const;
size_t RFind(const String& str, size_t pos = NPos) const;
size_t FindFirstOf(const char *s, size_t pos = 0) const;
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size_t FindFirstOf(char ch, size_t pos = 0) const;
size_t FindFirstNotOf(const char *s, size_t pos = 0) const;
size_t FindFirstNotOf(char ch, size_t pos = 0) const;
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String SubStr(size_t first, size_t len = NPos) const;
void Replace(size_t first, size_t second, const String& str);
void Trim(void);
void swap(String& str);
Iterator erase(Iterator first, Iterator last);
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template<typename InputIterator>
void insert(Iterator p, InputIterator first, InputIterator last)
{
m_Data.insert(p, first, last);
}
Iterator Begin(void);
ConstIterator Begin(void) const;
Iterator End(void);
ConstIterator End(void) const;
static const size_t NPos;
private:
std::string m_Data;
};
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I2_BASE_API std::ostream& operator<<(std::ostream& stream, const String& str);
I2_BASE_API std::istream& operator>>(std::istream& stream, String& str);
I2_BASE_API String operator+(const String& lhs, const String& rhs);
I2_BASE_API String operator+(const String& lhs, const char *rhs);
I2_BASE_API String operator+(const char *lhs, const String& rhs);
I2_BASE_API bool operator==(const String& lhs, const String& rhs);
I2_BASE_API bool operator==(const String& lhs, const char *rhs);
I2_BASE_API bool operator==(const char *lhs, const String& rhs);
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I2_BASE_API bool operator!=(const String& lhs, const String& rhs);
I2_BASE_API bool operator!=(const String& lhs, const char *rhs);
I2_BASE_API bool operator!=(const char *lhs, const String& rhs);
I2_BASE_API bool operator<(const String& lhs, const char *rhs);
I2_BASE_API bool operator<(const char *lhs, const String& rhs);
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I2_BASE_API bool operator>(const String& lhs, const String& rhs);
I2_BASE_API bool operator>(const String& lhs, const char *rhs);
I2_BASE_API bool operator>(const char *lhs, const String& rhs);
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I2_BASE_API bool operator<=(const String& lhs, const String& rhs);
I2_BASE_API bool operator<=(const String& lhs, const char *rhs);
I2_BASE_API bool operator<=(const char *lhs, const String& rhs);
I2_BASE_API bool operator>=(const String& lhs, const String& rhs);
I2_BASE_API bool operator>=(const String& lhs, const char *rhs);
I2_BASE_API bool operator>=(const char *lhs, const String& rhs);
I2_BASE_API String::Iterator range_begin(String& x);
I2_BASE_API String::ConstIterator range_begin(const String& x);
I2_BASE_API String::Iterator range_end(String& x);
I2_BASE_API String::ConstIterator range_end(const String& x);
struct string_iless : std::binary_function<String, String, bool>
{
bool operator()(const String& s1, const String& s2) const
{
return strcasecmp(s1.CStr(), s2.CStr()) < 0;
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/* The "right" way would be to do this - however the
* overhead is _massive_ due to the repeated non-inlined
* function calls:
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return lexicographical_compare(s1.Begin(), s1.End(),
s2.Begin(), s2.End(), boost::algorithm::is_iless());
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*/
}
};
}
namespace boost
{
template<>
struct range_mutable_iterator<icinga::String>
{
typedef icinga::String::Iterator type;
};
template<>
struct range_const_iterator<icinga::String>
{
typedef icinga::String::ConstIterator type;
};
}
#endif /* STRING_H */