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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
commit | 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch) | |
tree | e5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/boost/libs/spirit/example/karma/quick_start1.cpp | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/spirit/example/karma/quick_start1.cpp')
-rw-r--r-- | src/boost/libs/spirit/example/karma/quick_start1.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/boost/libs/spirit/example/karma/quick_start1.cpp b/src/boost/libs/spirit/example/karma/quick_start1.cpp new file mode 100644 index 00000000..4a99b95c --- /dev/null +++ b/src/boost/libs/spirit/example/karma/quick_start1.cpp @@ -0,0 +1,119 @@ +// Copyright (c) 2001-2010 Hartmut Kaiser +// +// Distributed under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + +// The main purpose of this example is to show how a single container type can +// be formatted using different output grammars. + +#include <boost/config/warning_disable.hpp> +#include <boost/spirit/include/karma.hpp> +#include <boost/spirit/include/karma_stream.hpp> + +#include <iostream> +#include <vector> +#include <algorithm> +#include <cstdlib> + +using namespace boost::spirit; +using namespace boost::spirit::ascii; + +/////////////////////////////////////////////////////////////////////////////// +int main() +{ + /////////////////////////////////////////////////////////////////////////// + // vector + std::vector<int> v (8); + std::generate(v.begin(), v.end(), std::rand); // randomly fill the vector + + std::cout << "Output 8 integers from a std::vector<int>..." << std::endl; + + // output the container as a sequence without any separation + std::cout << "...without any separation" << std::endl; + std::cout << + karma::format( + *int_, // format description + v // data + ) << std::endl << std::endl; + + // output the container as a space separated sequence + std::cout << "...as space delimited list" << std::endl; + std::cout << + karma::format_delimited( + *int_, // format description + space, // delimiter + v // data + ) << std::endl << std::endl; + + std::cout << + karma::format_delimited( + '[' << *int_ << ']', // format description + space, // delimiter + v // data + ) << std::endl << std::endl; + + // output the container as a comma separated list + std::cout << "...as comma separated list" << std::endl; + std::cout << + karma::format( + int_ % ", ", // format description + v // data + ) << std::endl << std::endl; + + std::cout << + karma::format( + '[' << (int_ % ", ") << ']', // format description + v // data + ) << std::endl << std::endl; + + // output the container as a comma separated list of double's + std::cout << "...as comma separated list of doubles" << std::endl; + std::cout << + karma::format( + double_ % ", ", // format description + v // data + ) << std::endl << std::endl; + + // output the container as a comma separated list of items enclosed in '()' + std::cout << "..as list of ints enclosed in '()'" << std::endl; + std::cout << + karma::format( + ('(' << int_ << ')') % ", ", // format description + v // data + ) << std::endl << std::endl; + + std::cout << + karma::format( + '[' << ( + ('(' << int_ << ')') % ", " + ) << ']', // format description + v // data + ) << std::endl << std::endl; + + // output the container as a HTML list + std::cout << "...as HTML bullet list" << std::endl; + std::cout << + karma::format_delimited( + "<ol>" << + // no delimiting within verbatim + *verbatim[" <li>" << int_ << "</li>"] + << "</ol>", // format description + '\n', // delimiter + v // data + ) << std::endl; + + // output the container as right aligned column + std::cout << "...right aligned in a column" << std::endl; + std::cout << + karma::format_delimited( + *verbatim[ + "|" << right_align[int_] << "|" + ], // format description + '\n', // delimiter + v // data + ) << std::endl; + + std::cout << std::endl; + return 0; +} + |