prodir/tree_structurer/cpp/tree_structurer.cpp

122 lines
4.0 KiB
C++

#include "tree_structurer.hpp"
#include <algorithm>
#include <filesystem>
namespace fs = std::filesystem;
bool TreeStructurer::should_ignore_dir(const std::string& dirname) {
static const std::vector<std::string> ignore_list = {
"build", "venv", "myenv", "dist", "node_modules", "CMakeFiles",
".git", ".idea", ".vscode", "__pycache__"
};
return dirname[0] == '.' ||
dirname[0] == '_' || // This will catch __pycache__ and _directories
std::find(ignore_list.begin(), ignore_list.end(), dirname) != ignore_list.end();
}
bool TreeStructurer::should_ignore_file(const std::string& filename) {
static const std::vector<std::string> ignore_extensions = {
".pyc", ".pyo", ".pyd", ".so", ".dll", ".dylib",
".o", ".obj", ".a", ".lib"
};
if (filename[0] == '.') return true;
fs::path path(filename);
std::string ext = path.extension().string();
return std::find(ignore_extensions.begin(), ignore_extensions.end(), ext) != ignore_extensions.end();
}
std::vector<fs::path> TreeStructurer::get_filtered_paths(const fs::path& start) {
std::vector<fs::path> paths;
for(const auto& entry : fs::recursive_directory_iterator(start)) {
const auto& path = entry.path();
bool should_include = true;
for(auto it = path.begin(); it != path.end(); ++it) {
if(should_ignore_dir(it->string())) {
should_include = false;
break;
}
}
if(should_include) {
if(fs::is_directory(path)) {
if(!should_ignore_dir(path.filename().string())) {
paths.push_back(path);
}
} else {
if(!should_ignore_file(path.filename().string())) {
paths.push_back(path);
}
}
}
}
std::sort(paths.begin(), paths.end());
return paths;
}
std::string TreeStructurer::create_indent(int level) {
if (level == 0) return "";
std::string indent;
for (int i = 0; i < level - 1; ++i) {
indent += "";
}
indent += "├─ ";
return indent;
}
std::string TreeStructurer::get_relative_path(const fs::path& path, const fs::path& base) {
fs::path rel = fs::relative(path, base);
return rel.string();
}
std::vector<std::string> TreeStructurer::get_directory_structure(const std::string& startpath) {
std::vector<std::string> result;
fs::path start = startpath.empty() ? fs::current_path() : fs::path(startpath);
try {
result.push_back(start.filename().string() + "/");
auto paths = get_filtered_paths(start);
std::vector<bool> is_last_at_level(256, false);
for (size_t i = 0; i < paths.size(); ++i) {
const auto& path = paths[i];
std::string rel_path = get_relative_path(path, start);
int level = std::count(rel_path.begin(), rel_path.end(), fs::path::preferred_separator);
bool is_last = (i == paths.size() - 1) ||
(i < paths.size() - 1 &&
std::count(get_relative_path(paths[i + 1], start).begin(),
get_relative_path(paths[i + 1], start).end(),
fs::path::preferred_separator) <= level);
is_last_at_level[level] = is_last;
std::string line;
for (int j = 0; j < level; ++j) {
if (j == level - 1) {
line += is_last ? "└── " : "├── ";
} else {
line += is_last_at_level[j] ? " " : "";
}
}
line += path.filename().string();
if(fs::is_directory(path)) {
line += "/";
}
result.push_back(line);
}
} catch (const fs::filesystem_error& e) {
throw std::runtime_error("Failed to access directory: " + std::string(e.what()));
}
return result;
}