r703:cb38ccedd2c1
Thu, 07 May 2009 10:46:49
[Not Reviewed]
0 comments (0 inline)
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| ... | ... |
@@ -1839,31 +1839,31 @@ |
| 1839 | 1839 |
typedef typename Digraph::Arc Edge; |
| 1840 | 1840 |
typedef typename Digraph::Node Node; |
| 1841 | 1841 |
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| 1842 |
class Arc |
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| 1842 |
class Arc {
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| 1843 | 1843 |
friend class UndirectorBase; |
| 1844 | 1844 |
protected: |
| 1845 |
Edge _edge; |
|
| 1845 | 1846 |
bool _forward; |
| 1846 | 1847 |
|
| 1847 |
Arc(const Edge& edge, bool forward) : |
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| 1848 |
Edge(edge), _forward(forward) {}
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| 1848 |
Arc(const Edge& edge, bool forward) |
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| 1849 |
: _edge(edge), _forward(forward) {}
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| 1849 | 1850 |
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| 1850 | 1851 |
public: |
| 1851 | 1852 |
Arc() {}
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| 1852 | 1853 |
|
| 1853 |
Arc(Invalid) : |
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| 1854 |
Arc(Invalid) : _edge(INVALID), _forward(true) {}
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| 1855 |
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operator const Edge&() const { return _edge; }
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| 1854 | 1857 |
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| 1855 | 1858 |
bool operator==(const Arc &other) const {
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| 1856 |
return _forward == other._forward && |
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static_cast<const Edge&>(*this) == static_cast<const Edge&>(other); |
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| 1859 |
return _forward == other._forward && _edge == other._edge; |
|
| 1858 | 1860 |
} |
| 1859 | 1861 |
bool operator!=(const Arc &other) const {
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return _forward != other._forward || |
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static_cast<const Edge&>(*this) != static_cast<const Edge&>(other); |
|
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return _forward != other._forward || _edge != other._edge; |
|
| 1862 | 1863 |
} |
| 1863 | 1864 |
bool operator<(const Arc &other) const {
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| 1864 | 1865 |
return _forward < other._forward || |
| 1865 |
(_forward == other._forward && |
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static_cast<const Edge&>(*this) < static_cast<const Edge&>(other)); |
|
| 1866 |
(_forward == other._forward && _edge < other._edge); |
|
| 1867 | 1867 |
} |
| 1868 | 1868 |
}; |
| 1869 | 1869 |
|
| ... | ... |
@@ -1876,7 +1876,7 @@ |
| 1876 | 1876 |
} |
| 1877 | 1877 |
|
| 1878 | 1878 |
void first(Arc& a) const {
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| 1879 |
_digraph->first(a); |
|
| 1879 |
_digraph->first(a._edge); |
|
| 1880 | 1880 |
a._forward = true; |
| 1881 | 1881 |
} |
| 1882 | 1882 |
|
| ... | ... |
@@ -1884,7 +1884,7 @@ |
| 1884 | 1884 |
if (a._forward) {
|
| 1885 | 1885 |
a._forward = false; |
| 1886 | 1886 |
} else {
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| 1887 |
_digraph->next(a); |
|
| 1887 |
_digraph->next(a._edge); |
|
| 1888 | 1888 |
a._forward = true; |
| 1889 | 1889 |
} |
| 1890 | 1890 |
} |
| ... | ... |
@@ -1898,48 +1898,48 @@ |
| 1898 | 1898 |
} |
| 1899 | 1899 |
|
| 1900 | 1900 |
void firstOut(Arc& a, const Node& n) const {
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| 1901 |
_digraph->firstIn(a, n); |
|
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if( static_cast<const Edge&>(a) != INVALID ) {
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_digraph->firstIn(a._edge, n); |
|
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if (a._edge != INVALID ) {
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| 1903 | 1903 |
a._forward = false; |
| 1904 | 1904 |
} else {
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_digraph->firstOut(a, n); |
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_digraph->firstOut(a._edge, n); |
|
| 1906 | 1906 |
a._forward = true; |
| 1907 | 1907 |
} |
| 1908 | 1908 |
} |
| 1909 | 1909 |
void nextOut(Arc &a) const {
|
| 1910 | 1910 |
if (!a._forward) {
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| 1911 |
Node n = _digraph->target(a); |
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_digraph->nextIn(a); |
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if (static_cast<const Edge&>(a) == INVALID ) {
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_digraph->firstOut(a, n); |
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| 1911 |
Node n = _digraph->target(a._edge); |
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_digraph->nextIn(a._edge); |
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if (a._edge == INVALID) {
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_digraph->firstOut(a._edge, n); |
|
| 1915 | 1915 |
a._forward = true; |
| 1916 | 1916 |
} |
| 1917 | 1917 |
} |
| 1918 | 1918 |
else {
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_digraph->nextOut(a); |
|
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_digraph->nextOut(a._edge); |
|
| 1920 | 1920 |
} |
| 1921 | 1921 |
} |
| 1922 | 1922 |
|
| 1923 | 1923 |
void firstIn(Arc &a, const Node &n) const {
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_digraph->firstOut(a, n); |
|
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if (static_cast<const Edge&>(a) != INVALID ) {
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| 1924 |
_digraph->firstOut(a._edge, n); |
|
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if (a._edge != INVALID ) {
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|
| 1926 | 1926 |
a._forward = false; |
| 1927 | 1927 |
} else {
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_digraph->firstIn(a, n); |
|
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_digraph->firstIn(a._edge, n); |
|
| 1929 | 1929 |
a._forward = true; |
| 1930 | 1930 |
} |
| 1931 | 1931 |
} |
| 1932 | 1932 |
void nextIn(Arc &a) const {
|
| 1933 | 1933 |
if (!a._forward) {
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Node n = _digraph->source(a); |
|
| 1935 |
_digraph->nextOut(a); |
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if( static_cast<const Edge&>(a) == INVALID ) {
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|
| 1937 |
_digraph->firstIn(a, n); |
|
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Node n = _digraph->source(a._edge); |
|
| 1935 |
_digraph->nextOut(a._edge); |
|
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if (a._edge == INVALID ) {
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|
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_digraph->firstIn(a._edge, n); |
|
| 1938 | 1938 |
a._forward = true; |
| 1939 | 1939 |
} |
| 1940 | 1940 |
} |
| 1941 | 1941 |
else {
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_digraph->nextIn(a); |
|
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_digraph->nextIn(a._edge); |
|
| 1943 | 1943 |
} |
| 1944 | 1944 |
} |
| 1945 | 1945 |
|
| ... | ... |
@@ -1972,19 +1972,16 @@ |
| 1972 | 1972 |
} |
| 1973 | 1973 |
|
| 1974 | 1974 |
Node source(const Arc &a) const {
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| 1975 |
return a._forward ? _digraph->source(a) : _digraph->target(a); |
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return a._forward ? _digraph->source(a._edge) : _digraph->target(a._edge); |
|
| 1976 | 1976 |
} |
| 1977 | 1977 |
|
| 1978 | 1978 |
Node target(const Arc &a) const {
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| 1979 |
return a._forward ? _digraph->target(a) : _digraph->source(a); |
|
| 1979 |
return a._forward ? _digraph->target(a._edge) : _digraph->source(a._edge); |
|
| 1980 | 1980 |
} |
| 1981 | 1981 |
|
| 1982 | 1982 |
static Arc direct(const Edge &e, bool d) {
|
| 1983 | 1983 |
return Arc(e, d); |
| 1984 | 1984 |
} |
| 1985 |
Arc direct(const Edge &e, const Node& n) const {
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|
| 1986 |
return Arc(e, _digraph->source(e) == n); |
|
| 1987 |
} |
|
| 1988 | 1985 |
|
| 1989 | 1986 |
static bool direction(const Arc &a) { return a._forward; }
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| 1990 | 1987 |
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