diff options
Diffstat (limited to '')
| -rw-r--r-- | test/drive_doc_discovery.cc | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/test/drive_doc_discovery.cc b/test/drive_doc_discovery.cc new file mode 100644 index 0000000..d12f231 --- /dev/null +++ b/test/drive_doc_discovery.cc @@ -0,0 +1,120 @@ +/** + * Copyright (c) 2024, Timothy Stack + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * * 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. + * * Neither the name of Timothy Stack nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + */ + +#include <stdlib.h> + +#include "base/fs_util.hh" +#include "document.sections.hh" +#include "fmt/color.h" + +int +main(int argc, char* argv[]) +{ + int retval = EXIT_SUCCESS; + + if (argc < 2) { + fprintf(stderr, "error: expecting file to discover\n"); + retval = EXIT_FAILURE; + } else { + const auto fn = ghc::filesystem::path(argv[1]); + auto read_res = lnav::filesystem::read_file(fn); + if (read_res.isErr()) { + fprintf(stderr, + "error: unable to read %s -- %s\n", + fn.c_str(), + read_res.unwrapErr().c_str()); + retval = EXIT_FAILURE; + } else { + auto content = attr_line_t(read_res.unwrap()); + const auto& content_sf + = string_fragment::from_str(content.get_string()); + auto tf = detect_text_format(content_sf, fn); + auto lr = line_range{0, static_cast<int>(content.length())}; + auto meta = lnav::document::discover_structure(content, lr, tf); + + auto remaining = content_sf; + while (!remaining.empty()) { + auto line_pair + = remaining.split_when(string_fragment::tag1{'\n'}); + auto line_sf = line_pair.first; + fmt::print(FMT_STRING("{}\n"), line_sf); + size_t indent = 0; + meta.m_sections_tree.visit_overlapping( + line_sf.sf_begin, + line_sf.sf_end, + [&line_sf, &indent](const auto& iv) { + if (iv.start < line_sf.sf_begin) { + return; + } + auto this_indent = iv.start - line_sf.sf_begin; + if (this_indent < indent) { + return; + } + auto indent_diff = this_indent - indent; + indent = this_indent; + fmt::print(FMT_STRING("{}^"), + std::string(indent_diff, ' ')); + if (iv.stop >= line_sf.sf_end + 1) { + fmt::print(FMT_STRING(" [{}:{}) - {}"), + iv.start, + iv.stop, + iv.value); + return; + } + auto dot_len = iv.stop - iv.start - 1; + fmt::print(FMT_STRING("{}^"), + std::string(dot_len, '-')); + fmt::print(FMT_STRING(" [{}:{})"), iv.start, iv.stop); + }); + fmt::print(FMT_STRING("\nPath for line[{}:{}): "), + line_sf.sf_begin, + line_sf.sf_end); + meta.m_sections_tree.visit_overlapping( + line_sf.sf_begin, + line_sf.sf_end, + [&line_sf](const auto& iv) { + fmt::print( + fmt::fg(iv.start < line_sf.sf_begin + ? fmt::terminal_color::yellow + : fmt::terminal_color::green), + FMT_STRING("\uff1a{}"), + iv.value.match( + [](const std::string& str) { return str; }, + [](size_t ind) { + return fmt::format(FMT_STRING("[{}]"), ind); + })); + }); + fmt::print(FMT_STRING("\n")); + remaining = line_pair.second; + } + } + } + + return retval; +} |