157 lines
4.5 KiB
C++
157 lines
4.5 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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#include "atf-c++/detail/text.hpp"
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extern "C" {
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#include <regex.h>
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}
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#include <cctype>
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#include <cstring>
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extern "C" {
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#include "atf-c/detail/text.h"
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#include "atf-c/error.h"
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}
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#include "atf-c++/detail/exceptions.hpp"
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namespace impl = atf::text;
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#define IMPL_NAME "atf::text"
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char*
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impl::duplicate(const char* str)
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{
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char* copy = new char[std::strlen(str) + 1];
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std::strcpy(copy, str);
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return copy;
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}
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bool
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impl::match(const std::string& str, const std::string& regex)
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{
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bool found;
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// Special case: regcomp does not like empty regular expressions.
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if (regex.empty()) {
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found = str.empty();
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} else {
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::regex_t preg;
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if (::regcomp(&preg, regex.c_str(), REG_EXTENDED) != 0)
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throw std::runtime_error("Invalid regular expression '" + regex +
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"'");
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const int res = ::regexec(&preg, str.c_str(), 0, NULL, 0);
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regfree(&preg);
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if (res != 0 && res != REG_NOMATCH)
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throw std::runtime_error("Invalid regular expression " + regex);
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found = res == 0;
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}
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return found;
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}
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std::string
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impl::to_lower(const std::string& str)
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{
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std::string lc;
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for (std::string::const_iterator iter = str.begin(); iter != str.end();
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iter++)
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lc += std::tolower(*iter);
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return lc;
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}
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std::vector< std::string >
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impl::split(const std::string& str, const std::string& delim)
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{
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std::vector< std::string > words;
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std::string::size_type pos = 0, newpos = 0;
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while (pos < str.length() && newpos != std::string::npos) {
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newpos = str.find(delim, pos);
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if (newpos != pos)
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words.push_back(str.substr(pos, newpos - pos));
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pos = newpos + delim.length();
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}
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return words;
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}
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std::string
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impl::trim(const std::string& str)
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{
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std::string::size_type pos1 = str.find_first_not_of(" \t");
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std::string::size_type pos2 = str.find_last_not_of(" \t");
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if (pos1 == std::string::npos && pos2 == std::string::npos)
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return "";
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else if (pos1 == std::string::npos)
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return str.substr(0, str.length() - pos2);
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else if (pos2 == std::string::npos)
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return str.substr(pos1);
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else
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return str.substr(pos1, pos2 - pos1 + 1);
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}
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bool
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impl::to_bool(const std::string& str)
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{
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bool b;
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atf_error_t err = atf_text_to_bool(str.c_str(), &b);
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if (atf_is_error(err))
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throw_atf_error(err);
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return b;
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}
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int64_t
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impl::to_bytes(std::string str)
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{
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if (str.empty())
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throw std::runtime_error("Empty value");
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const char unit = str[str.length() - 1];
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int64_t multiplier;
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switch (unit) {
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case 'k': case 'K': multiplier = 1 << 10; break;
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case 'm': case 'M': multiplier = 1 << 20; break;
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case 'g': case 'G': multiplier = 1 << 30; break;
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case 't': case 'T': multiplier = int64_t(1) << 40; break;
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default:
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if (!std::isdigit(unit))
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throw std::runtime_error(std::string("Unknown size unit '") + unit
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+ "'");
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multiplier = 1;
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}
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if (multiplier != 1)
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str.erase(str.length() - 1);
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return to_type< int64_t >(str) * multiplier;
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}
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