add path.hpp: CanonicalPath class, etc.

Apparently, relative paths in the Win32 namespace (e.g. \\?\test.txt)
are not a thing.

3 files changed, 32 insertions, 0 deletions

diff --git a/include/winapi/file.hpp b/include/winapi/file.hpp
index 60a8f1d..221047b 100644
--- a/include/winapi/file.hpp
+++ b/include/winapi/file.hpp
@@ -6,6 +6,7 @@
 #pragma once
 
 #include "handle.hpp"
+#include "path.hpp"
 
 #include <string>
 #include <utility>
@@ -17,7 +18,9 @@ public:
     explicit File(Handle&& handle) : Handle{std::move(handle)} {}
 
     static Handle open_for_reading(const std::string&);
+    static Handle open_for_reading(const CanonicalPath&);
     static Handle open_for_writing(const std::string&);
+    static Handle open_for_writing(const CanonicalPath&);
 
     using Handle::close;
 
diff --git a/include/winapi/path.hpp b/include/winapi/path.hpp
new file mode 100644
index 0000000..f2b0aa9
--- /dev/null
+++ b/include/winapi/path.hpp
@@ -0,0 +1,25 @@
+// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
+// This file is part of the "winapi-common" project.
+// For details, see https://github.com/egor-tensin/winapi-common.
+// Distributed under the MIT License.
+
+#pragma once
+
+#include <string>
+
+namespace winapi {
+
+class CanonicalPath {
+public:
+    static std::string canonicalize(const std::string&);
+
+    explicit CanonicalPath(const std::string&);
+
+    std::string get() const { return m_path; }
+    std::string path() const { return get(); }
+
+private:
+    std::string m_path;
+};
+
+} // namespace winapi
diff --git a/include/winapi/stream.hpp b/include/winapi/stream.hpp
index 6b4bc38..ed5b40c 100644
--- a/include/winapi/stream.hpp
+++ b/include/winapi/stream.hpp
@@ -6,6 +6,7 @@
 #pragma once
 
 #include "handle.hpp"
+#include "path.hpp"
 #include "pipe.hpp"
 
 #include <boost/config.hpp>
@@ -45,6 +46,7 @@ inline void swap(Stream& a, Stream& b) BOOST_NOEXCEPT_OR_NOTHROW {
 struct Stdin : Stream {
     Stdin();
     explicit Stdin(const std::string& file);
+    explicit Stdin(const CanonicalPath& file);
     explicit Stdin(Pipe&);
 
     // VS 2013 won't generate these automatically.
@@ -62,6 +64,7 @@ struct Stdin : Stream {
 struct Stdout : Stream {
     Stdout();
     explicit Stdout(const std::string& file);
+    explicit Stdout(const CanonicalPath& file);
     explicit Stdout(Pipe&);
 
     // VS 2013 won't generate these automatically.
@@ -79,6 +82,7 @@ struct Stdout : Stream {
 struct Stderr : Stream {
     Stderr();
     explicit Stderr(const std::string& file);
+    explicit Stderr(const CanonicalPath& file);
     explicit Stderr(Pipe&);
 
     // VS 2013 won't generate these automatically.