11be35a165
To do so, a few dependencies have been imported: * external/bsd/lutok * external/mit/lua * external/public-domain/sqlite * external/public-domain/xz The Kyua framework is the new generation of ATF (Automated Test Framework), it is composed of: * external/bsd/atf * external/bsd/kyua-atf-compat * external/bsd/kyua-cli * external/bsd/kyua-tester * tests Kyua/ATF being written in C++, it depends on libstdc++ which is provided by GCC. As this is not part of the sources, Kyua is only compiled when the native GCC utils are installed. To install Kyua do the following: * In a cross-build enviromnent, add the following to the build.sh commandline: -V MKBINUTILS=yes -V MKGCCCMDS=yes WARNING: At this point the import is still experimental, and not supported on native builds (a.k.a make build). Change-Id: I26aee23c5bbd2d64adcb7c1beb98fe0d479d7ada
122 lines
4.4 KiB
C++
122 lines
4.4 KiB
C++
// Copyright 2010 Google 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 are
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// met:
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//
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// * 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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// * 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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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/// \file utils/format/formatter.hpp
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/// Provides the definition of the utils::format::formatter class.
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///
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/// The utils::format::formatter class is a poor man's replacement for the
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/// Boost.Format library, as it is much simpler and has less dependencies.
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///
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/// Be aware that the formatting supported by this module is NOT compatible
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/// with printf(3) nor with Boost.Format. The general syntax for a
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/// placeholder in a formatting string is:
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///
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/// %[0][width][.precision]s
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///
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/// In particular, note that the only valid formatting specifier is %s: the
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/// library deduces what to print based on the type of the variable passed
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/// in, not based on what the format string says. Also, note that the only
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/// valid padding character is 0.
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#if !defined(UTILS_FORMAT_FORMATTER_HPP)
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#define UTILS_FORMAT_FORMATTER_HPP
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#include <sstream>
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#include <string>
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namespace utils {
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namespace format {
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/// Mechanism to format strings similar to printf.
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///
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/// A formatter always maintains the original format string but also holds a
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/// partial expansion. The partial expansion is immutable in the context of a
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/// formatter instance, but calls to operator% return new formatter objects with
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/// one less formatting placeholder.
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///
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/// In general, one can format a string in the following manner:
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///
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/// \code
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/// const std::string s = (formatter("%s %s") % "foo" % 5).str();
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/// \endcode
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///
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/// which, following the explanation above, would correspond to:
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///
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/// \code
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/// const formatter f1("%s %s");
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/// const formatter f2 = f1 % "foo";
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/// const formatter f3 = f2 % 5;
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/// const std::string s = f3.str();
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/// \endcode
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class formatter {
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/// The original format string provided by the user.
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std::string _format;
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/// The current "expansion" of the format string.
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///
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/// This field gets updated on every call to operator%() to have one less
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/// formatting placeholder.
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std::string _expansion;
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/// The position of _expansion from which to scan for placeholders.
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std::string::size_type _last_pos;
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/// The position of the first placeholder in the current expansion.
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std::string::size_type _placeholder_pos;
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/// The first placeholder in the current expansion.
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std::string _placeholder;
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/// Stream used to format any possible argument supplied by operator%().
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std::ostringstream* _oss;
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formatter replace(const std::string&) const;
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void init(void);
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formatter(const std::string&, const std::string&,
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const std::string::size_type);
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public:
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explicit formatter(const std::string&);
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~formatter(void);
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const std::string& str(void) const;
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operator const std::string&(void) const;
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template< typename Type > formatter operator%(const Type&) const;
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formatter operator%(const bool&) const;
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};
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} // namespace format
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} // namespace utils
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#endif // !defined(UTILS_FORMAT_FORMATTER_HPP)
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