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#include "search.h"
#include <iostream>
#include "libctor.h"
// https://stackoverflow.com/questions/17939930/finding-out-what-the-gcc-include-path-is
// /usr/include/
// /usr/local/include
std::filesystem::path findFile(const Settings& settings,
const std::string& needle,
const std::vector<std::string>& haystack)
{
if(settings.verbose > 0)
{
std::cout << "Looking for '" << needle << "'\n";
}
for(const auto& path : haystack)
{
std::filesystem::path candidate = std::filesystem::path(path) / needle;
if(settings.verbose > 1)
{
std::cout << " in '" << candidate.string() << "' ... ";
}
if(std::filesystem::exists(candidate))
{
if(settings.verbose > 1)
{
std::cout << "yes\n";
}
return path;
}
else
{
if(settings.verbose > 1)
{
std::cout << "no\n";
}
}
}
if(settings.verbose > 0)
{
std::cout << "Not found.\n";
}
return ""; // not found
}
std::filesystem::path findHeader(const Settings& settings,
const std::string& needle,
const std::vector<std::string>& haystack)
{
auto paths = haystack;
paths.insert(paths.end(),
settings.include_paths.begin(),
settings.include_paths.end());
return findFile(settings, needle, paths);
}
std::vector<std::filesystem::path> findBasename(const Settings& settings,
const std::string& needle,
const std::vector<std::string>& haystack)
{
std::vector<std::filesystem::path> matches;
if(settings.verbose > 0)
{
std::cout << "Looking for basename '" << needle << "'\n";
}
for(const auto& path : haystack)
{
if(settings.verbose > 1)
{
std::cout << "Looking in '" << path << "\n";
}
for(const auto& dir_entry : std::filesystem::directory_iterator{path})
{
if(std::filesystem::is_regular_file(dir_entry))
{
if(dir_entry.path().stem() == needle)
{
if(settings.verbose > 1)
{
std::cout << "Found " << path / dir_entry.path() << "\n";
}
matches.push_back(path / dir_entry.path());
}
}
}
}
if(matches.empty() && settings.verbose > 0)
{
std::cout << "Not found.\n";
}
return matches;
}
std::vector<std::filesystem::path> findLibrary(const Settings& settings,
const std::string& needle,
const std::vector<std::string>& haystack)
{
using namespace std::string_literals;
std::string lib = needle;
if(!lib.starts_with("lib"))
{
lib = "lib"s + needle;
}
auto paths = haystack;
paths.insert(paths.end(),
settings.library_paths.begin(),
settings.library_paths.end());
return findBasename(settings, lib, paths);
}
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