From 342412a11405931d46667b179b9e861b8ed39875 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@gmail.com>
Date: Tue, 18 Dec 2018 11:20:18 +0100
Subject: wanda: replace boost::iterator with range v3

---
 CMakeLists.txt           | 1 +
 conanfile.py             | 3 ++-
 src/wanda/filesystem.cpp | 9 +++++----
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 79b8421..42d2c2b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,6 +58,7 @@ add_wanda_library(NAME "wanda"
   LIBRARIES
   "CONAN_PKG::asio"
   "CONAN_PKG::spdlog"
+  "CONAN_PKG::range-v3"
   "SYSTEM::C++FS"
   "Threads::Threads"
 )
diff --git a/conanfile.py b/conanfile.py
index 701cab6..b52a100 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -11,6 +11,7 @@ class Wanda(ConanFile):
     generators = "cmake"
     default_user = "fmorgner"
     default_channel = "stable"
+    build_policy = "missing"
     settings = (
         "os",
         "arch",
@@ -24,9 +25,9 @@ class Wanda(ConanFile):
     )
     requires = (
         "asio/1.12.0@bincrafters/stable",
-        "boost_iterator/1.67.0@bincrafters/stable",
         "clara/1.1.5@bincrafters/stable",
         "spdlog/1.2.1@bincrafters/stable",
+        "range-v3/0.4.0@ericniebler/stable",
     )
     default_options = {
         "asio:standalone": True,
diff --git a/src/wanda/filesystem.cpp b/src/wanda/filesystem.cpp
index 01dff43..0cf4607 100644
--- a/src/wanda/filesystem.cpp
+++ b/src/wanda/filesystem.cpp
@@ -1,6 +1,7 @@
 #include <wanda/filesystem.hpp>
 
-#include <boost/iterator/filter_iterator.hpp>
+// #include <boost/iterator/filter_iterator.hpp>
+#include <range/v3/all.hpp>
 
 #include <random>
 
@@ -13,9 +14,9 @@ namespace wanda
       return std::nullopt;
     }
 
-    auto first = boost::make_filter_iterator(filter, std::filesystem::recursive_directory_iterator{source});
-    auto last = boost::make_filter_iterator(filter, std::filesystem::recursive_directory_iterator{});
-    return path_list{first, last};
+    auto begin = std::filesystem::recursive_directory_iterator{source};
+    auto end = std::filesystem::recursive_directory_iterator{};
+    return ranges::make_iterator_range(begin, end) | ranges::view::filter(filter);
   }
 
   std::filesystem::path random_pick(path_list const & paths)
-- 
cgit v1.2.3