/// <summary>
/// Compiles a collection of transformation tables into a state machine.
/// </summary>
/// <param name="transformations">The transformations.</param>
/// <returns>
/// Compiled state machine.
/// </returns>
public StateMachine Compile(IEnumerable <IGlyphTransformationTable> transformations)
{
var builder = new StateMachineBuilder();
foreach (var transformation in transformations)
{
this.CompileTransformation(transformation, builder);
}
return(builder.GetStateMachine());
}
/// <summary>
/// Tests that multiple calls to AddPath yield correct state machine.
/// </summary>
/// <param name="paths">The paths.</param>
/// <param name="expectedEntryState">Expected state of the entry.</param>
public void TestAddPaths(ITransition[][] paths, State expectedEntryState)
{
var builder = new StateMachineBuilder();
foreach (var path in paths)
{
builder.AddPath(path);
}
var result = builder.GetStateMachine();
var expectedMachine = new StateMachine(expectedEntryState);
Assert.IsTrue(new StateMachineEqualityComparer().Equals(expectedMachine, result));
}
public void GetStateMachine_ForkingPath_CollectsAllStatesAndTransitions()
{
SimpleTransition commonTransition, forkedTransition1, forkedTransition2;
var paths = new[]
{
new[]
{
commonTransition = new SimpleTransition
{
GlyphId = 1,
HeadShift = 1,
Action = new SubstitutionAction
{
ReplacedGlyphCount = 1,
ReplacementGlyphIds = new ushort[] { 1 }
}
},
forkedTransition1 = new SimpleTransition
{
GlyphId = 2,
HeadShift = 2,
Action = new SubstitutionAction
{
ReplacedGlyphCount = 2,
ReplacementGlyphIds = new ushort[] { 2 }
}
}
},
new[]
{
new SimpleTransition
{
GlyphId = 1,
HeadShift = 1,
Action = new SubstitutionAction
{
ReplacedGlyphCount = 1,
ReplacementGlyphIds = new ushort[] { 1 }
}
},
forkedTransition2 = new SimpleTransition {
GlyphId = 3,
HeadShift = 3,
Action = new SubstitutionAction
{
ReplacedGlyphCount = 3,
ReplacementGlyphIds = new ushort[] { 3 }
}
}
}
};
var builder = new StateMachineBuilder();
foreach (var path in paths)
{
builder.AddPath(path);
}
var result = builder.GetStateMachine();
Assert.AreEqual(result.States.Count, 4);
Assert.IsTrue(
new[] { commonTransition, forkedTransition1, forkedTransition2 }.ValuesEqual(result.Transitions, new TransitionNonrecursiveEqualityComparer()));
}