r144:4e626dbbe408
Tue, 22 Apr 2008 13:50:52
[Not Reviewed]
0 comments (0 inline)
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| ... | ... |
@@ -903,20 +903,34 @@ |
| 903 | 903 |
namespace _path_bits {
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| 904 | 904 |
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| 905 | 905 |
template <typename Path, typename Enable = void> |
| 906 |
struct |
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| 906 |
struct RevPathTagIndicator {
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| 907 | 907 |
static const bool value = false; |
| 908 | 908 |
}; |
| 909 | 909 |
|
| 910 |
template <typename Digraph> |
|
| 911 |
struct RevTagIndicator< |
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| 912 |
Digraph, |
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| 913 |
typename enable_if<typename Digraph::RevTag, void>::type |
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| 910 |
template <typename Path> |
|
| 911 |
struct RevPathTagIndicator< |
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| 912 |
Path, |
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| 913 |
typename enable_if<typename Path::RevPathTag, void>::type |
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| 914 |
> {
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| 915 |
static const bool value = true; |
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| 916 |
}; |
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| 917 |
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| 918 |
template <typename Path, typename Enable = void> |
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| 919 |
struct BuildTagIndicator {
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| 920 |
static const bool value = false; |
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| 921 |
}; |
|
| 922 |
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| 923 |
template <typename Path> |
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| 924 |
struct BuildTagIndicator< |
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| 925 |
Path, |
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typename enable_if<typename Path::BuildTag, void>::type |
|
| 914 | 927 |
> {
|
| 915 | 928 |
static const bool value = true; |
| 916 | 929 |
}; |
| 917 | 930 |
|
| 918 | 931 |
template <typename Target, typename Source, |
| 919 |
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| 932 |
bool buildEnable = BuildTagIndicator<Target>::value, |
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| 933 |
bool revEnable = RevPathTagIndicator<Source>::value> |
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| 920 | 934 |
struct PathCopySelector {
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| 921 | 935 |
static void copy(Target& target, const Source& source) {
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| 922 | 936 |
target.clear(); |
| ... | ... |
@@ -926,10 +940,8 @@ |
| 926 | 940 |
} |
| 927 | 941 |
}; |
| 928 | 942 |
|
| 929 |
template <typename Target, typename Source, typename BuildEnable> |
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| 930 |
struct PathCopySelector< |
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| 931 |
Target, Source, BuildEnable, |
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| 932 |
typename enable_if<typename Source::RevPathTag, void>::type> {
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| 943 |
template <typename Target, typename Source> |
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| 944 |
struct PathCopySelector<Target, Source, false, true> {
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| 933 | 945 |
static void copy(Target& target, const Source& source) {
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| 934 | 946 |
target.clear(); |
| 935 | 947 |
for (typename Source::RevArcIt it(source); it != INVALID; ++it) {
|
| ... | ... |
@@ -938,10 +950,8 @@ |
| 938 | 950 |
} |
| 939 | 951 |
}; |
| 940 | 952 |
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| 941 |
template <typename Target, typename Source, typename RevEnable> |
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| 942 |
struct PathCopySelector< |
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| 943 |
Target, Source, |
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| 944 |
typename enable_if<typename Target::BuildTag, void>::type, RevEnable> {
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| 953 |
template <typename Target, typename Source> |
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| 954 |
struct PathCopySelector<Target, Source, true, false> {
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| 945 | 955 |
static void copy(Target& target, const Source& source) {
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| 946 | 956 |
target.clear(); |
| 947 | 957 |
target.build(source); |
| ... | ... |
@@ -949,10 +959,7 @@ |
| 949 | 959 |
}; |
| 950 | 960 |
|
| 951 | 961 |
template <typename Target, typename Source> |
| 952 |
struct PathCopySelector< |
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| 953 |
Target, Source, |
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| 954 |
typename enable_if<typename Target::BuildTag, void>::type, |
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| 955 |
typename enable_if<typename Source::RevPathTag, void>::type> {
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| 962 |
struct PathCopySelector<Target, Source, true, true> {
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|
| 956 | 963 |
static void copy(Target& target, const Source& source) {
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| 957 | 964 |
target.clear(); |
| 958 | 965 |
target.buildRev(source); |
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