150 lines
4.2 KiB
C++
150 lines
4.2 KiB
C++
// Copyright (c) 2007 The NetBSD Foundation, Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
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// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#if !defined(ATF_CXX_DETAIL_TEXT_HPP)
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#define ATF_CXX_DETAIL_TEXT_HPP
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extern "C" {
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#include <stdint.h>
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}
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#include <sstream>
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#include <stdexcept>
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#include <string>
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#include <vector>
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namespace atf {
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namespace text {
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//!
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//! \brief Duplicates a C string using the new[] allocator.
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//!
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//! Replaces the functionality of strdup by using the new[] allocator and
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//! thus allowing the resulting memory to be managed by utils::auto_array.
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//!
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char* duplicate(const char*);
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//!
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//! \brief Joins multiple words into a string.
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//!
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//! Joins a list of words into a string, separating them using the provided
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//! separator. Empty words are not omitted.
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//!
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template< class T >
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std::string
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join(const T& words, const std::string& separator)
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{
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std::string str;
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typename T::const_iterator iter = words.begin();
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bool done = iter == words.end();
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while (!done) {
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str += *iter;
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iter++;
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if (iter != words.end())
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str += separator;
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else
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done = true;
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}
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return str;
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}
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//!
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//! \brief Checks if the string matches a regular expression.
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//!
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bool match(const std::string&, const std::string&);
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//!
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//! \brief Splits a string into words.
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//!
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//! Splits the given string into multiple words, all separated by the
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//! given delimiter. Multiple occurrences of the same delimiter are
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//! not condensed so that rejoining the words later on using the same
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//! delimiter results in the original string.
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//!
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std::vector< std::string > split(const std::string&, const std::string&);
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//!
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//! \brief Removes whitespace from the beginning and end of a string.
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//!
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std::string trim(const std::string&);
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//!
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//! \brief Converts a string to a boolean value.
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//!
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bool to_bool(const std::string&);
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//!
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//! \brief Converts the given string to a bytes size.
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//!
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int64_t to_bytes(std::string);
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//!
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//! \brief Changes the case of a string to lowercase.
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//!
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//! Returns a new string that is a lowercased version of the original
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//! one.
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//!
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std::string to_lower(const std::string&);
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//!
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//! \brief Converts the given object to a string.
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//!
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//! Returns a string with the representation of the given object. There
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//! must exist an operator<< method for that object.
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//!
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template< class T >
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std::string
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to_string(const T& ob)
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{
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std::ostringstream ss;
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ss << ob;
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return ss.str();
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}
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//!
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//! \brief Converts the given string to another type.
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//!
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//! Attempts to convert the given string to the requested type. Throws
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//! an exception if the conversion failed.
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//!
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template< class T >
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T
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to_type(const std::string& str)
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{
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std::istringstream ss(str);
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T value;
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ss >> value;
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if (!ss.eof() || (ss.eof() && (ss.fail() || ss.bad())))
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throw std::runtime_error("Cannot convert string to requested type");
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return value;
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}
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} // namespace text
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} // namespace atf
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#endif // !defined(ATF_CXX_DETAIL_TEXT_HPP)
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