From 70317569c6dcd9809ed4a8c425777e653ec6ca08 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 1 May 2017 18:24:31 +0300
Subject: Add hxx extension for headers

---
 build2/filesystem.hxx | 107 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 build2/filesystem.hxx

(limited to 'build2/filesystem.hxx')

diff --git a/build2/filesystem.hxx b/build2/filesystem.hxx
new file mode 100644
index 0000000..f211f35
--- /dev/null
+++ b/build2/filesystem.hxx
@@ -0,0 +1,107 @@
+// file      : build2/filesystem.hxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef BUILD2_FILESYSTEM_HXX
+#define BUILD2_FILESYSTEM_HXX
+
+#include <libbutl/filesystem.hxx>
+
+#include <build2/types.hxx>
+#include <build2/utility.hxx>
+
+// Higher-level filesystem utilities built on top of <libbutl/filesystem.hxx>.
+//
+namespace build2
+{
+  // The dual interface wrapper for the {mk,rm}{file,dir}() functions
+  // below that allows you to use it as a true/false return or a more
+  // detailed enum from <libbutl/filesystem.hxx>
+  //
+  template <typename T>
+  struct fs_status
+  {
+    T v;
+    fs_status (T v): v (v) {};
+    operator T () const {return v;}
+    explicit operator bool () const {return v == T::success;}
+  };
+
+  // Create the directory and print the standard diagnostics starting from
+  // the specified verbosity level.
+  //
+  // Note that this implementation is not suitable if it is expected that the
+  // directory will exist in the majority of cases and performance is
+  // important. See the fsdir{} rule for details.
+  //
+  using mkdir_status = butl::mkdir_status;
+
+  fs_status<mkdir_status>
+  mkdir (const dir_path&, uint16_t verbosity = 1);
+
+  fs_status<mkdir_status>
+  mkdir_p (const dir_path&, uint16_t verbosity = 1);
+
+  // Remove the file and print the standard diagnostics starting from the
+  // specified verbosity level. The second argument is only used in
+  // diagnostics, to print the target name. Passing the path for target will
+  // result in the relative path being printed.
+  //
+  using rmfile_status = butl::rmfile_status;
+
+  template <typename T>
+  fs_status<rmfile_status>
+  rmfile (const path&, const T& target, uint16_t verbosity = 1);
+
+  inline fs_status<rmfile_status>
+  rmfile (const path& f, int verbosity = 1) // Literal overload (int).
+  {
+    return rmfile (f, f, static_cast<uint16_t> (verbosity));
+  }
+
+  // Similar to rmfile() but for directories (note: not -r).
+  //
+  using rmdir_status = butl::rmdir_status;
+
+  template <typename T>
+  fs_status<rmdir_status>
+  rmdir (const dir_path&, const T& target, uint16_t verbosity = 1);
+
+  inline fs_status<rmdir_status>
+  rmdir (const dir_path& d, int verbosity = 1) // Literal overload (int).
+  {
+    return rmdir (d, d, static_cast<uint16_t> (verbosity));
+  }
+
+  // Remove the directory recursively and print the standard diagnostics
+  // starting from the specified verbosity level. Note that this function
+  // returns not_empty if we try to remove a working directory. If the dir
+  // argument is false, then the directory itself is not removed.
+  //
+  // @@ Collides (via ADL) with butl::rmdir_r(), which sucks.
+  //
+  fs_status<rmdir_status>
+  rmdir_r (const dir_path&, bool dir = true, uint16_t verbosity = 1);
+
+  // Check for a file, directory or filesystem entry existence. Print the
+  // diagnostics and fail on system error.
+  //
+  bool
+  exists (const path&, bool follow_symlinks = true);
+
+  bool
+  exists (const dir_path&);
+
+  bool
+  entry_exists (const path&, bool follow_symlinks = false);
+
+  // Check for a directory emptiness. Print the diagnostics and fail on system
+  // error.
+  //
+  bool
+  empty (const dir_path&);
+}
+
+#include <build2/filesystem.txx>
+
+#endif // BUILD2_FILESYSTEM_HXX
-- 
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