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#include "MakefileReader.h"
#include <boost/property_tree/xml_parser.hpp>
#include "file.h"
namespace pt = boost::property_tree;
namespace fs = std::filesystem;
namespace {
// the elements with this name are considered paths, where relative prefixes will be added if necessary
std::vector<std::string> path_elements{"name", "source", "test"};
// add path to respective elements in tree, recursively
void adjust_path(pt::ptree::value_type& element, const fs::path& path) {
// add path prefix if path element
if (std::find(path_elements.begin(), path_elements.end(), element.first) != path_elements.end()) {
std::string content{element.second.data()};
element.second.data() = simplified_path(path / fs::path{content}).string();
}
for (auto &i: element.second) {
// recursively run
adjust_path(i, path);
}
}
void join(pt::ptree& tree, const pt::ptree& makefile_tree, const fs::path& path) {
if (tree.empty()) {
tree = makefile_tree; // including top level single "ymake" element
} else {
// copy all elements inside single "ymake"
pt::ptree& target{tree.get_child("ymake")};
const pt::ptree& source{makefile_tree.get_child("ymake")};
for (const auto& i: source) {
auto it {target.push_back(i)};
auto &element{*it};
adjust_path(element, path);
}
}
}
}
MakefileReader::MakefileReader()
{
}
pt::ptree MakefileReader::read(const fs::path& path) const
{
pt::ptree ptree;
for (const fs::directory_entry& dir_entry: fs::recursive_directory_iterator(path)) {
pt::ptree makefile_tree;
fs::path path{dir_entry.path()};
if (dir_entry.is_regular_file() && path.filename() == YMakefile) {
pt::read_xml(path, makefile_tree, pt::xml_parser::no_comments | pt::xml_parser::trim_whitespace);
join(ptree, makefile_tree, simplified_path(path.parent_path()));
}
}
return ptree;
}
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