Add Files::read_all_lines() and Files::write_all_lines()

1 files changed, 29 insertions, 0 deletions

diff --git a/toolsrc/src/vcpkg_Files.cpp b/toolsrc/src/vcpkg_Files.cpp
index 698579736..889ceb055 100644
--- a/toolsrc/src/vcpkg_Files.cpp
+++ b/toolsrc/src/vcpkg_Files.cpp
@@ -42,6 +42,35 @@ namespace vcpkg {namespace Files
         return std::move(output);
     }
 
+    expected<std::vector<std::string>> read_all_lines(const fs::path& file_path)
+    {
+        std::fstream file_stream(file_path, std::ios_base::in | std::ios_base::binary);
+        if (file_stream.fail())
+        {
+            return std::errc::no_such_file_or_directory;
+        }
+
+        std::vector<std::string> output;
+        std::string line;
+        while (std::getline(file_stream, line))
+        {
+            output.push_back(line);
+        }
+        file_stream.close();
+
+        return std::move(output);
+    }
+
+    void write_all_lines(const fs::path& file_path, const std::vector<std::string>& lines)
+    {
+        std::fstream output(file_path, std::ios_base::out | std::ios_base::binary | std::ios_base::trunc);
+        for (const std::string& line : lines)
+        {
+            output << line << "\n";
+        }
+        output.close();
+    }
+
     fs::path find_file_recursively_up(const fs::path& starting_dir, const std::string& filename)
     {
         fs::path current_dir = starting_dir;