/usr/include/vmime/utility/stringUtils.hpp is in libvmime-dev 0.9.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// VMime library (http://www.vmime.org)
// Copyright (C) 2002-2009 Vincent Richard <vincent@vincent-richard.net>
//
// 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 3 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Linking this library statically or dynamically with other modules is making
// a combined work based on this library. Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//
#ifndef VMIME_UTILITY_STRINGUTILS_HPP_INCLUDED
#define VMIME_UTILITY_STRINGUTILS_HPP_INCLUDED
#include "vmime/types.hpp"
#include "vmime/base.hpp"
#include <sstream>
namespace vmime {
namespace utility {
/** Miscellaneous functions related to strings.
*/
class stringUtils
{
public:
/** Test two strings for equality (case insensitive).
* \warning Use this with ASCII-only strings.
*
* @param s1 first string
* @param s2 second string (must be in lower-case!)
* @param n length of the second string
* @return true if the two strings compare equally, false otherwise
*/
static bool isStringEqualNoCase(const string& s1, const char* s2, const string::size_type n);
/** Test two strings for equality (case insensitive).
* \warning Use this with ASCII-only strings.
*
* @param s1 first string
* @param s2 second string
* @return true if the two strings compare equally, false otherwise
*/
static bool isStringEqualNoCase(const string& s1, const string& s2);
/** Test two strings for equality (case insensitive).
* \warning Use this with ASCII-only strings.
*
* @param begin start position of the first string
* @param end end position of the first string
* @param s second string (must be in lower-case!)
* @param n length of the second string
* @return true if the two strings compare equally, false otherwise
*/
static bool isStringEqualNoCase(const string::const_iterator begin, const string::const_iterator end, const char* s, const string::size_type n);
/** Transform all the characters in a string to lower-case.
* \warning Use this with ASCII-only strings.
*
* @param str the string to transform
* @return a new string in lower-case
*/
static const string toLower(const string& str);
/** Transform all the characters in a string to upper-case.
* \warning Use this with ASCII-only strings.
*
* @param str the string to transform
* @return a new string in upper-case
*/
static const string toUpper(const string& str);
/** Strip the space characters (SPC, TAB, CR, LF) at the beginning
* and at the end of the specified string.
*
* @param str string in which to strip spaces
* @return a new string with space characters removed
*/
static const string trim(const string& str);
/** Return the number of 7-bit US-ASCII characters in a string.
*
* @param begin start position
* @param end end position
* @return number of ASCII characters
*/
static string::size_type countASCIIchars(const string::const_iterator begin, const string::const_iterator end);
/** Returns the position of the first non 7-bit US-ASCII character in a string.
*
* @param begin start position
* @param end end position
* @return position since begin, or string::npos
*/
static string::size_type findFirstNonASCIIchar(const string::const_iterator begin, const string::const_iterator end);
/** Convert the specified value to a string value.
*
* @param value to convert
* @return value converted from type 'TYPE'
*/
template <class TYPE>
static const string toString(const TYPE& value)
{
std::ostringstream oss;
oss.imbue(std::locale::classic());
oss << value;
return (oss.str());
}
/** Convert the specified string value to a value of
* the specified type.
*
* @param value value to convert
* @return value converted into type 'TYPE'
*/
template <class TYPE>
static const TYPE fromString(const string& value)
{
TYPE ret;
std::istringstream iss(value);
iss.imbue(std::locale::classic());
iss >> ret;
return (ret);
}
/** Unquote the specified string and transform escaped characters.
*
* @param string from which to remove quotes
* @return unquoted string
*/
static const string unquote(const string& str);
};
} // utility
} // vmime
#endif // VMIME_UTILITY_STRINGUTILS_HPP_INCLUDED
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