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Copy pathstring_utilities.cpp
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119 lines (103 loc) · 2.97 KB
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/*
This file is part of libhttpserver
Copyright (C) 2011 Sebastiano Merlino
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 2.1 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
USA
*/
#include <algorithm>
#include <string>
#include <istream>
#include <sstream>
#include <vector>
#include <cctype>
#include <cstdlib>
#include <cstring>
#include <regex.h>
#include "string_utilities.hpp"
namespace httpserver
{
namespace string_utilities
{
void to_upper_copy(const std::string& str, std::string& result)
{
result = str;
std::transform(result.begin(),
result.end(),
result.begin(),
(int(*)(int)) std::toupper
);
}
void to_upper(std::string& str)
{
std::transform(str.begin(),
str.end(),
str.begin(),
(int(*)(int)) std::toupper
);
}
void to_lower_copy(const std::string& str, std::string& result)
{
result = str;
std::transform(result.begin(),
result.end(),
result.begin(),
(int(*)(int)) std::tolower
);
}
size_t string_split(
const std::string& s,
std::vector<std::string>& result,
char sep,
bool collapse
)
{
std::istringstream buf(s);
for(std::string token; getline(buf, token, sep); )
{
if((collapse && token != "") || !collapse)
result.push_back(token);
}
return result.size();
}
void regex_replace(const std::string& str,
const std::string& pattern,
const std::string& replace_str,
std::string& result
)
{
regex_t preg;
regmatch_t substmatch[1];
regcomp(&preg, pattern.c_str(), REG_EXTENDED|REG_ICASE);
if ( regexec(&preg, str.c_str(), 1, substmatch, 0) == 0 )
{
char ns[substmatch[0].rm_so + 1 +
replace_str.size() + (str.size() - substmatch[0].rm_eo) + 2
];
memcpy(ns, str.c_str(), substmatch[0].rm_so+1);
memcpy(&ns[substmatch[0].rm_so],
replace_str.c_str(),
replace_str.size()
);
memcpy(&ns[substmatch[0].rm_so+replace_str.size()],
&str[substmatch[0].rm_eo], strlen(&str[substmatch[0].rm_eo])
);
ns[substmatch[0].rm_so +
replace_str.size() +
strlen(&str[substmatch[0].rm_eo])
] = 0;
result = std::string((char*)ns);
}
regfree(&preg);
}
};
};