/// <summary>
/// Determines whether the given PhraseNode overlaps with the given word.
/// The two overlap if the last word of the phrase is the same as the given word,
/// or if the second-to-last word of the phrase is the same as the given word and the last word of the phrase is ignorable.
/// </summary>
/// <param name="name">The phrase to check for overlap.</param>
/// <param name="word">The word to check for overlap with.</param>
/// <returns>True if the phrase and word overlap, False otherwise.</returns>
private bool HasOverlap(PhraseNode name, string word)
{
if (name == null || name.Size() == 0 || string.IsNullOrEmpty(word))
{
return(false);
}
bool hasOverlap = false;
if (string.Equals(name.LastWord().Text, word, StringComparison.InvariantCultureIgnoreCase))
{
//last word of name is same as given word
hasOverlap = true;
}
else if (name.Size() > 1)
{
if (string.Equals(name[name.Size() - 2].Text, word, StringComparison.InvariantCultureIgnoreCase) &&
PosData.IsIgnorableHeadWord(name.LastWord().Text))
{
//second-to-last word of name is same as given word, and the last word of name is ignorable
hasOverlap = true;
}
}
return(hasOverlap);
}
/// <summary>
/// Determines whether the given phrase indicates an event handler method.
/// </summary>
/// <param name="parsedName">The PhraseNode to test.</param>
/// <returns>True if the phrase indicates an event handler method, False otherwise.</returns>
protected bool IsEventHandler(PhraseNode parsedName)
{
if (parsedName == null || parsedName.Size() == 0)
{
return(false);
}
else
{
return(IsNonBaseVerb(parsedName.LastWord().Text) &&
parsedName[0].Text.ToLower() != "get" &&
parsedName[0].Text.ToLower() != "set");
}
}
/// <summary>
/// Checks for semantic overlaps between parts of the given method's name and its UnknownArguments.
/// If overlaps are found, appropriate EquivalenceNodes are created.
/// </summary>
/// <param name="mdn">The MethodDeclarationNode to check for overlaps.</param>
/// <param name="checkDO">Indicates whether the Direct Object was taken from the method name, and therefore the Theme must be checked for overlap with UnknownArguments.</param>
/// <param name="checkIO">Indicates whether the Indirect Object was taken from the method name, and therefore the SecondaryArguments must be checked for overlap with UnknownArguments.</param>
private void CheckOverlap(MethodDeclarationNode mdn, bool checkDO, bool checkIO)
{
if (mdn.ParsedName[0].Text.ToLower() == "set")
{
return; //special case
}
PhraseNode theme = null;
ArgumentNode arg = null;
//get DO word from name
string wordDO = "";
if (checkDO) //theme is in the method name
{
theme = (PhraseNode)mdn.Theme;
wordDO = theme.LastWord().Text;
}
//get IO word from name
string wordIO = "";
if (checkIO) //IO is in the method name
{
arg = mdn.SecondaryArguments[0];
PhraseNode argn = (PhraseNode)arg.Argument;
wordIO = argn.LastWord().Text;
if (wordDO == wordIO)
{
return; //no equivalence if multiple overlap
}
}
//find overlap
List <Node> unknownArgs = mdn.UnknownArguments;
List <Node> DOOverlappingArgs = new List <Node>();
List <Node> IOOverlappingArgs = new List <Node>();
for (int i = 0; i < unknownArgs.Count; i++)
{
if (unknownArgs[i] is VariableDeclarationNode)
{
VariableDeclarationNode var = (VariableDeclarationNode)unknownArgs[i];
PhraseNode name = var.ParsedName;
PhraseNode type = var.Type.ParsedName;
bool DOOverlaps = false;
bool IOOverlaps = false;
if (checkDO)
{
DOOverlaps = HasOverlap(name, wordDO) || HasOverlap(type, wordDO);
if (DOOverlaps)
{
DOOverlappingArgs.Add(unknownArgs[i]);
}
}
if (checkIO)
{
IOOverlaps = HasOverlap(name, wordIO) || HasOverlap(type, wordIO);
if (IOOverlaps)
{
IOOverlappingArgs.Add(unknownArgs[i]);
}
}
if (DOOverlaps && IOOverlaps)
{
return; //no equivalence if multiple overlap
}
}
}
//Create overlap in SWUM
if (DOOverlappingArgs.Count > 0)
{
EquivalenceNode en = mdn.CreateEquivalenceFromUnknownArguments(theme, DOOverlappingArgs);
mdn.Theme = en; //reset theme in MethodDeclarationNode to new equivalence node
}
if (IOOverlappingArgs.Count > 0)
{
EquivalenceNode en = mdn.CreateEquivalenceFromUnknownArguments(arg.Argument, IOOverlappingArgs);
arg.Argument = en; //reset mdn.SecondaryArguments to point to new equivalence node
}
}