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/**
* 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;
}
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