diff options
Diffstat (limited to 'unit/atf-src/atf-c++/detail/text.hpp')
| -rw-r--r-- | unit/atf-src/atf-c++/detail/text.hpp | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/unit/atf-src/atf-c++/detail/text.hpp b/unit/atf-src/atf-c++/detail/text.hpp new file mode 100644 index 0000000..63c3190 --- /dev/null +++ b/unit/atf-src/atf-c++/detail/text.hpp @@ -0,0 +1,149 @@ +// Copyright (c) 2007 The NetBSD Foundation, Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// 2. 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. +// +// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + +#if !defined(ATF_CXX_DETAIL_TEXT_HPP) +#define ATF_CXX_DETAIL_TEXT_HPP + +extern "C" { +#include <stdint.h> +} + +#include <sstream> +#include <stdexcept> +#include <string> +#include <vector> + +namespace atf { +namespace text { + +//! +//! \brief Duplicates a C string using the new[] allocator. +//! +//! Replaces the functionality of strdup by using the new[] allocator and +//! thus allowing the resulting memory to be managed by utils::auto_array. +//! +char* duplicate(const char*); + +//! +//! \brief Joins multiple words into a string. +//! +//! Joins a list of words into a string, separating them using the provided +//! separator. Empty words are not omitted. +//! +template< class T > +std::string +join(const T& words, const std::string& separator) +{ + std::string str; + + typename T::const_iterator iter = words.begin(); + bool done = iter == words.end(); + while (!done) { + str += *iter; + iter++; + if (iter != words.end()) + str += separator; + else + done = true; + } + + return str; +} + +//! +//! \brief Checks if the string matches a regular expression. +//! +bool match(const std::string&, const std::string&); + +//! +//! \brief Splits a string into words. +//! +//! Splits the given string into multiple words, all separated by the +//! given delimiter. Multiple occurrences of the same delimiter are +//! not condensed so that rejoining the words later on using the same +//! delimiter results in the original string. +//! +std::vector< std::string > split(const std::string&, const std::string&); + +//! +//! \brief Removes whitespace from the beginning and end of a string. +//! +std::string trim(const std::string&); + +//! +//! \brief Converts a string to a boolean value. +//! +bool to_bool(const std::string&); + +//! +//! \brief Converts the given string to a bytes size. +//! +int64_t to_bytes(std::string); + +//! +//! \brief Changes the case of a string to lowercase. +//! +//! Returns a new string that is a lowercased version of the original +//! one. +//! +std::string to_lower(const std::string&); + +//! +//! \brief Converts the given object to a string. +//! +//! Returns a string with the representation of the given object. There +//! must exist an operator<< method for that object. +//! +template< class T > +std::string +to_string(const T& ob) +{ + std::ostringstream ss; + ss << ob; + return ss.str(); +} + +//! +//! \brief Converts the given string to another type. +//! +//! Attempts to convert the given string to the requested type. Throws +//! an exception if the conversion failed. +//! +template< class T > +T +to_type(const std::string& str) +{ + std::istringstream ss(str); + T value; + ss >> value; + if (!ss.eof() || (ss.eof() && (ss.fail() || ss.bad()))) + throw std::runtime_error("Cannot convert string to requested type"); + return value; +} + +} // namespace text +} // namespace atf + +#endif // !defined(ATF_CXX_DETAIL_TEXT_HPP) |