Changeset 144:4e626dbbe408 in lemon-main

Timestamp:

04/22/08 13:50:52 (17 years ago)

Author:

Balazs Dezso <deba@…>

Branch:

default

Phase:

public

Message:

MSVC 2005 compatible path structure (ticket #87)

File:

• lemon/path.h (modified) (5 diffs)

lemon/path.h

@@ -904 +904 @@
 
     template <typename Path, typename Enable = void>
-    struct RevTagIndicator {
+    struct RevPathTagIndicator {
       static const bool value = false;
     };
 
-    template <typename Digraph>
-    struct RevTagIndicator<
-      Digraph, 
-      typename enable_if<typename Digraph::RevTag, void>::type
+    template <typename Path>
+    struct RevPathTagIndicator<
+      Path, 
+      typename enable_if<typename Path::RevPathTag, void>::type
+      > {
+      static const bool value = true;
+    };
+
+    template <typename Path, typename Enable = void>
+    struct BuildTagIndicator {
+      static const bool value = false;
+    };
+
+    template <typename Path>
+    struct BuildTagIndicator<
+      Path, 
+      typename enable_if<typename Path::BuildTag, void>::type
     > {
       static const bool value = true;
@@ -917 +930 @@
 
     template <typename Target, typename Source,
-              typename BuildEnable = void, typename RevEnable = void>
+              bool buildEnable = BuildTagIndicator<Target>::value, 
+              bool revEnable = RevPathTagIndicator<Source>::value>
     struct PathCopySelector {
       static void copy(Target& target, const Source& source) {
@@ -927 +941 @@
     };
 
-    template <typename Target, typename Source, typename BuildEnable>
-    struct PathCopySelector<
-      Target, Source, BuildEnable, 
-      typename enable_if<typename Source::RevPathTag, void>::type> {
+    template <typename Target, typename Source>
+    struct PathCopySelector<Target, Source, false, true> {
       static void copy(Target& target, const Source& source) {
         target.clear();
@@ -939 +951 @@
     };
 
-    template <typename Target, typename Source, typename RevEnable>
-    struct PathCopySelector<
-      Target, Source, 
-      typename enable_if<typename Target::BuildTag, void>::type, RevEnable> {
+    template <typename Target, typename Source>
+    struct PathCopySelector<Target, Source, true, false> {
       static void copy(Target& target, const Source& source) {
         target.clear();
@@ -950 +960 @@
 
     template <typename Target, typename Source>
-    struct PathCopySelector<
-      Target, Source, 
-      typename enable_if<typename Target::BuildTag, void>::type,
-      typename enable_if<typename Source::RevPathTag, void>::type> {
+    struct PathCopySelector<Target, Source, true, true> {
       static void copy(Target& target, const Source& source) {
         target.clear();