From c8c141d8abf715c9a697d2e3dd949d4621cfea7b Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph@amissah.com>
Date: Sun, 29 Jan 2017 11:57:41 -0500
Subject: 0.12.1 abstraction template

---
 src/sdp/ao_read_config_files.d | 160 +++++++++++++++++++++++++----------------
 1 file changed, 97 insertions(+), 63 deletions(-)

(limited to 'src/sdp/ao_read_config_files.d')

diff --git a/src/sdp/ao_read_config_files.d b/src/sdp/ao_read_config_files.d
index 6308df2..2e1bca6 100644
--- a/src/sdp/ao_read_config_files.d
+++ b/src/sdp/ao_read_config_files.d
@@ -3,88 +3,122 @@
   - read config files<BR>
   ao_config_files.d
 +/
-template SiSUconfigIn() {
+template ConfigIn() {
   private import
+    std.algorithm,
+    std.array,
+    std.container,
     std.exception,
     std.stdio,
+    std.file,
+    std.path,
+    std.range,
+    std.regex,
+    std.string,
+    std.traits,
+    std.typecons,
+    std.uni,
     std.utf,
     std.conv : to;
-  private
-  struct ConfigIn {
-    private import std.file;
-    final private string readInConfigFile(string conf_sdl) {
-      string dot_pwd = chainPath(to!string(environment["PWD"]), ".sisu").array;
-      string underscore_pwd = chainPath(to!string(environment["PWD"]), "_sisu").array;
-      string dot_home = chainPath(to!string(environment["HOME"]), ".sisu").array;
-      string[] possible_config_path_locations = [
-        dot_pwd,
-        underscore_pwd,
-        dot_home,
-        "/etc/sisu"
-      ];
-      string config_file_str;
-      foreach(pth; possible_config_path_locations) {
-        auto conf_file = format(
-          "%s/%s",
-          pth,
-          conf_sdl,
-        );
-        try {
-          if (exists(conf_file)) {
-            debug(configfile) {
-              writeln(conf_file);
-            }
-            config_file_str = readText(conf_file);
-            break;
+  import std.file;
+  final string ConfigIn(C,E)(C conf_sdl, E env) {
+    string dot_pwd = chainPath(to!string(env["pwd"]), ".sisu").array;
+    string underscore_pwd = chainPath(to!string(env["pwd"]), "_sisu").array;
+    string dot_home = chainPath(to!string(env["home"]), ".sisu").array;
+    string[] possible_config_path_locations = [
+      dot_pwd,
+      underscore_pwd,
+      dot_home,
+      "/etc/sisu"
+    ];
+    string config_file_str;
+    foreach(pth; possible_config_path_locations) {
+      auto conf_file = format(
+        "%s/%s",
+        pth,
+        conf_sdl,
+      );
+      try {
+        if (exists(conf_file)) {
+          debug(configfile) {
+            writeln(conf_file);
           }
-        }
-        catch (ErrnoException ex) {
-        }
-        catch (FileException ex) {
+          config_file_str = readText(conf_file);
+          break;
         }
       }
-      return config_file_str;
+      catch (ErrnoException ex) {
+      }
+      catch (FileException ex) {
+      }
     }
+    return config_file_str;
   }
 }
 /+
 
 +/
-template SiSUconfigSDLang() {
-  struct ConfigSDLangRootTag {
-    private auto configSDLangRootTag(string configuration, string conf_sdl_filename) {
-      Tag sdl_root_conf;
-      try {
-        sdl_root_conf = parseSource(configuration);
-      }
-      catch(ParseException e) {
-        stderr.writeln("SDLang problem with content for ", conf_sdl_filename);
-        stderr.writeln(e.msg);
-      }
-      debug(sdlang) {
-        Value output_dir_structure_by = sdl_root_conf.tags["output_dir_structure_by"][0].values[0];
-        assert(output_dir_structure_by.type == typeid(string));
-        writeln(output_dir_structure_by);
-        writeln("conf SDL:");
-        writeln(sdl_root_conf.toSDLDocument());
-      }
-      return sdl_root_conf;
+template ConfigSDLang() {
+  import sdlang;
+  private import
+    std.algorithm,
+    std.array,
+    std.container,
+    std.exception,
+    std.stdio,
+    std.file,
+    std.path,
+    std.range,
+    std.regex,
+    std.string,
+    std.traits,
+    std.typecons,
+    std.uni,
+    std.utf,
+    std.conv : to;
+  auto ConfigSDLang(string configuration, string conf_sdl_filename) {
+    Tag sdl_root_conf;
+    try {
+      sdl_root_conf = parseSource(configuration);
     }
+    catch(ParseException e) {
+      stderr.writeln("SDLang problem with content for ", conf_sdl_filename);
+      stderr.writeln(e.msg);
+    }
+    debug(sdlang) {
+      Value output_dir_structure_by = sdl_root_conf.tags["output_dir_structure_by"][0].values[0];
+      assert(output_dir_structure_by.type == typeid(string));
+      writeln(output_dir_structure_by);
+      writeln("conf SDL:");
+      writeln(sdl_root_conf.toSDLDocument());
+    }
+    return sdl_root_conf;
   }
 }
 /+
 
 +/
-template SiSUconfigSDLangHub() {
-  mixin SiSUconfigIn;
-  mixin SiSUconfigSDLang;
-  struct ConfigHub {
-    final private auto configSDLang(string conf_sdl) {
-      auto conf_get = ConfigIn();
-      auto configuration = conf_get.readInConfigFile(conf_sdl);
-      auto conf = ConfigSDLangRootTag();
-      auto sdl_root = conf.configSDLangRootTag(configuration, conf_sdl);
-      return sdl_root;
-    }
+template ConfigHub() {
+  private import
+    std.algorithm,
+    std.array,
+    std.container,
+    std.exception,
+    std.stdio,
+    std.file,
+    std.path,
+    std.range,
+    std.regex,
+    std.string,
+    std.traits,
+    std.typecons,
+    std.uni,
+    std.utf,
+    std.conv : to;
+  
+  final auto ConfigHub(C,E)(C conf_sdl, E env) {
+    auto configuration = ConfigIn!()(conf_sdl, env);
+    auto sdl_root = ConfigSDLang!()(configuration, conf_sdl);
+    return sdl_root;
   }
 }
-- 
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