initial commit

1 files changed, 57 insertions, 0 deletions

diff --git a/src/shared/shared.cc b/src/shared/shared.cc
new file mode 100644
index 0000000..55ccf1f
--- /dev/null
+++ b/src/shared/shared.cc
@@ -0,0 +1,57 @@
+#include "shared.hh"
+
+namespace shared {
+
+std::string make_string_lower(std::string str) noexcept {
+    std::ranges::transform(str.begin(), str.end(), str.begin(),
+                           [](const auto c) { return std::tolower(c); });
+    return str;
+}
+
+std::string read_file(const std::string& path) {
+    std::ifstream input(path);
+    if (!input.is_open()) {
+        throw std::runtime_error("failed to read file: " + path);
+    }
+    return std::string{std::istreambuf_iterator<char>(input),
+                       std::istreambuf_iterator<char>()};
+}
+
+std::ofstream open_file(const std::string& dir,
+                        const std::ios_base::openmode mode) {
+    std::ofstream ret(dir, mode);
+    if (!ret.is_open()) {
+        throw std::runtime_error("failed to write file: " + dir);
+    }
+    return ret;
+}
+
+void compress_string(std::string& str) noexcept {
+    std::stringstream input(str);
+
+    boost::iostreams::filtering_streambuf<boost::iostreams::input> out;
+    out.push(boost::iostreams::gzip_compressor(boost::iostreams::gzip_params(
+        boost::iostreams::gzip::best_compression)));
+    out.push(input);
+
+    std::stringstream result;
+    boost::iostreams::copy(out, result);
+
+    str = result.str();
+}
+
+void decompress_string(std::string& str) noexcept {
+    std::stringstream input;
+    input << str;
+
+    boost::iostreams::filtering_streambuf<boost::iostreams::input> in;
+    in.push(boost::iostreams::gzip_decompressor());
+    in.push(input);
+
+    std::stringstream result;
+    boost::iostreams::copy(in, result);
+
+    str = result.str();
+}
+
+} // namespace shared