Add Files::has_invalid_chars_for_filesystem()

2 files changed, 12 insertions, 0 deletions

diff --git a/toolsrc/include/vcpkg_Files.h b/toolsrc/include/vcpkg_Files.h
index 2c24f9508..445713965 100644
--- a/toolsrc/include/vcpkg_Files.h
+++ b/toolsrc/include/vcpkg_Files.h
@@ -5,8 +5,12 @@
 
 namespace vcpkg {namespace Files
 {
+    static const char* FILESYSTEM_INVALID_CHARACTERS = R"(\/:*?"<>|)";
+
     void check_is_directory(const std::tr2::sys::path& dirpath);
 
+    bool has_invalid_chars_for_filesystem(const std::string s);
+
     expected<std::string> get_contents(const std::tr2::sys::path& file_path) noexcept;
 
     std::tr2::sys::path find_file_recursively_up(const std::tr2::sys::path& starting_dir, const std::string& filename);
diff --git a/toolsrc/src/vcpkg_Files.cpp b/toolsrc/src/vcpkg_Files.cpp
index ef330ea27..611aa7450 100644
--- a/toolsrc/src/vcpkg_Files.cpp
+++ b/toolsrc/src/vcpkg_Files.cpp
@@ -1,16 +1,24 @@
 #include "vcpkg_Files.h"
 #include <fstream>
 #include <filesystem>
+#include <regex>
 
 namespace fs = std::tr2::sys;
 
 namespace vcpkg {namespace Files
 {
+    static const std::regex FILESYSTEM_INVALID_CHARACTERS_REGEX = std::regex(R"([\/:*?"<>|])");
+
     void check_is_directory(const fs::path& dirpath)
     {
         Checks::check_throw(fs::is_directory(dirpath), "The path %s is not a directory", dirpath.string());
     }
 
+    bool has_invalid_chars_for_filesystem(const std::string s)
+    {
+        return std::regex_search(s, FILESYSTEM_INVALID_CHARACTERS_REGEX);
+    }
+
     expected<std::string> get_contents(const fs::path& file_path) noexcept
     {
         std::fstream file_stream(file_path, std::ios_base::in | std::ios_base::binary);