b647b48bf4
for various string types and use it in a few places.
175 lines
4.5 KiB
C++
175 lines
4.5 KiB
C++
/*
|
|
* Copyright (c) 2001-2005 The Regents of The University of Michigan
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met: redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer;
|
|
* redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution;
|
|
* neither the name of the copyright holders nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* Authors: Nathan Binkert
|
|
* Steve Reinhardt
|
|
*/
|
|
|
|
#ifndef __STR_HH__
|
|
#define __STR_HH__
|
|
|
|
#include <cctype>
|
|
#include <cstring>
|
|
#include <sstream>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
template<class> class Hash;
|
|
template<>
|
|
class Hash<std::string> {
|
|
public:
|
|
unsigned operator()(const std::string &s) {
|
|
std::string::const_iterator i = s.begin();
|
|
std::string::const_iterator end = s.end();
|
|
unsigned hash = 5381;
|
|
|
|
while (i < end)
|
|
hash = ((hash << 5) + hash) + *i++;
|
|
|
|
return hash;
|
|
}
|
|
};
|
|
|
|
inline void
|
|
eat_lead_white(std::string &s)
|
|
{
|
|
std::string::size_type off = s.find_first_not_of(' ');
|
|
if (off != std::string::npos) {
|
|
std::string::iterator begin = s.begin();
|
|
s.erase(begin, begin + off);
|
|
}
|
|
}
|
|
|
|
inline void
|
|
eat_end_white(std::string &s)
|
|
{
|
|
std::string::size_type off = s.find_last_not_of(' ');
|
|
if (off != std::string::npos)
|
|
s.erase(s.begin() + off + 1, s.end());
|
|
}
|
|
|
|
inline void
|
|
eat_white(std::string &s)
|
|
{
|
|
eat_lead_white(s);
|
|
eat_end_white(s);
|
|
}
|
|
|
|
inline std::string
|
|
to_lower(const std::string &s)
|
|
{
|
|
std::string lower;
|
|
int len = s.size();
|
|
|
|
lower.reserve(len);
|
|
|
|
for (int i = 0; i < len; ++i)
|
|
lower.push_back(tolower(s[i]));
|
|
|
|
return lower;
|
|
}
|
|
|
|
// Split the string s into lhs and rhs on the first occurence of the
|
|
// character c.
|
|
bool
|
|
split_first(const std::string &s, std::string &lhs, std::string &rhs, char c);
|
|
|
|
// Split the string s into lhs and rhs on the last occurence of the
|
|
// character c.
|
|
bool
|
|
split_last(const std::string &s, std::string &lhs, std::string &rhs, char c);
|
|
|
|
// Tokenize the string <s> splitting on the character <token>, and
|
|
// place the result in the string vector <vector>. If <ign> is true,
|
|
// then empty result strings (due to trailing tokens, or consecutive
|
|
// tokens) are skipped.
|
|
void
|
|
tokenize(std::vector<std::string> &vector, const std::string &s,
|
|
char token, bool ign = true);
|
|
|
|
template <class T> bool
|
|
to_number(const std::string &value, T &retval);
|
|
|
|
template <class T>
|
|
inline std::string
|
|
to_string(const T &value)
|
|
{
|
|
std::stringstream str;
|
|
str << value;
|
|
return str.str();
|
|
}
|
|
|
|
// Put quotes around string arg if it contains spaces.
|
|
inline std::string
|
|
quote(const std::string &s)
|
|
{
|
|
std::string ret;
|
|
bool quote = s.find(' ') != std::string::npos;
|
|
|
|
if (quote)
|
|
ret = '"';
|
|
|
|
ret += s;
|
|
|
|
if (quote)
|
|
ret += '"';
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return true if 's' starts with the prefix string 'prefix'.
|
|
*/
|
|
inline bool
|
|
startswith(const char *s, const char *prefix)
|
|
{
|
|
return (strncmp(s, prefix, strlen(prefix)) == 0);
|
|
}
|
|
|
|
|
|
/**
|
|
* Return true if 's' starts with the prefix string 'prefix'.
|
|
*/
|
|
inline bool
|
|
startswith(const std::string &s, const char *prefix)
|
|
{
|
|
return (s.compare(0, strlen(prefix), prefix) == 0);
|
|
}
|
|
|
|
|
|
/**
|
|
* Return true if 's' starts with the prefix string 'prefix'.
|
|
*/
|
|
inline bool
|
|
startswith(const std::string &s, const std::string &prefix)
|
|
{
|
|
return (s.compare(0, prefix.size(), prefix) == 0);
|
|
}
|
|
|
|
|
|
#endif //__STR_HH__
|