/// <summary>
/// Inform about substrings.
/// </summary>
/// <param name="ctx">The context.</param>
/// <param name="name">The name.</param>
/// <param name="fakeChild">True if it's a fake child.</param>
/// <param name="splitter">The <see cref="Splitter"/>.</param>
private void InformSubstrings(ParserRuleContext ctx, string name, bool fakeChild, Splitter splitter)
{
var text = AntlrUtils.GetSourceText(ctx);
var path = this.Inform(ctx, name, text, fakeChild);
var ranges = this.analyzer.GetRequiredInformRanges(path);
if (ranges.Count > 4)
{ // Benchmarks showed this to be the breakeven point. (see below)
var splitList = splitter.CreateSplitList(text);
foreach (var range in ranges)
{
var value = splitter.GetSplitRange(text, splitList, range);
if (value != null)
{
this.Inform(ctx, ctx, name + range, value, true);
}
}
}
else
{
foreach (var range in ranges)
{
var value = splitter.GetSplitRange(text, range);
if (value != null)
{
this.Inform(ctx, ctx, name + range, value, true);
}
}
}
}
/// <summary>
/// The RunSplitList
/// </summary>
/// <param name="splitter">The splitter<see cref="Splitter"/></param>
/// <param name="ranges">The ranges<see cref="List{WordRangeVisitor.Range}"/></param>
public void RunSplitList(Splitter splitter, List <WordRangeVisitor.Range> ranges)
{
IList <Tuple <int, int> > splitList = splitter.CreateSplitList(TEXT);
foreach (WordRangeVisitor.Range range in ranges)
{
splitter.GetSplitRange(TEXT, splitList, range);
}
}
public void TestSplitList()
{
string value = "one two/3 four-4 five(some more)";
Splitter splitter = WordSplitter.GetInstance();
IList <Tuple <int, int> > splitList = splitter.CreateSplitList(value);
// Illegal values
splitter.GetSplitRange(value, splitList, -5, 0).Should().BeNull();
splitter.GetSplitRange(value, splitList, 0, -5).Should().BeNull();
splitter.GetSplitRange(value, splitList, -5, -5).Should().BeNull();
// Single word
splitter.GetSplitRange(value, splitList, 0, 0).Should().BeNull();
splitter.GetSplitRange(value, splitList, 1, 1).Should().Be("one");
splitter.GetSplitRange(value, splitList, 2, 2).Should().Be("two");
splitter.GetSplitRange(value, splitList, 3, 3).Should().Be("3");
splitter.GetSplitRange(value, splitList, 4, 4).Should().Be("four");
splitter.GetSplitRange(value, splitList, 5, 5).Should().Be("4");
splitter.GetSplitRange(value, splitList, 6, 6).Should().Be("five");
splitter.GetSplitRange(value, splitList, 7, 7).Should().BeNull();
// First words
splitter.GetSplitRange(value, splitList, 1, 1).Should().Be("one");
splitter.GetSplitRange(value, splitList, 1, 2).Should().Be("one two");
splitter.GetSplitRange(value, splitList, 1, 3).Should().Be("one two/3");
splitter.GetSplitRange(value, splitList, 1, 4).Should().Be("one two/3 four");
splitter.GetSplitRange(value, splitList, 1, 5).Should().Be("one two/3 four-4");
splitter.GetSplitRange(value, splitList, 1, 6).Should().Be("one two/3 four-4 five");
splitter.GetSplitRange(value, splitList, 1, 7).Should().BeNull();
// Last words
splitter.GetSplitRange(value, splitList, 1, -1).Should().Be("one two/3 four-4 five");
splitter.GetSplitRange(value, splitList, 2, -1).Should().Be("two/3 four-4 five");
splitter.GetSplitRange(value, splitList, 3, -1).Should().Be("3 four-4 five");
splitter.GetSplitRange(value, splitList, 4, -1).Should().Be("four-4 five");
splitter.GetSplitRange(value, splitList, 5, -1).Should().Be("4 five");
splitter.GetSplitRange(value, splitList, 6, -1).Should().Be("five");
splitter.GetSplitRange(value, splitList, 7, -1).Should().BeNull();
// 2 word slices
splitter.GetSplitRange(value, splitList, 0, 1).Should().BeNull();
splitter.GetSplitRange(value, splitList, 1, 2).Should().Be("one two");
splitter.GetSplitRange(value, splitList, 2, 3).Should().Be("two/3");
splitter.GetSplitRange(value, splitList, 3, 4).Should().Be("3 four");
splitter.GetSplitRange(value, splitList, 4, 5).Should().Be("four-4");
splitter.GetSplitRange(value, splitList, 5, 6).Should().Be("4 five");
splitter.GetSplitRange(value, splitList, 6, 7).Should().BeNull();
// 3 word slices
splitter.GetSplitRange(value, splitList, 0, 2).Should().BeNull();
splitter.GetSplitRange(value, splitList, 1, 3).Should().Be("one two/3");
splitter.GetSplitRange(value, splitList, 2, 4).Should().Be("two/3 four");
splitter.GetSplitRange(value, splitList, 3, 5).Should().Be("3 four-4");
splitter.GetSplitRange(value, splitList, 4, 6).Should().Be("four-4 five");
splitter.GetSplitRange(value, splitList, 5, 7).Should().BeNull();
// Edge cases
splitter.GetSplitRange(value, splitList, 0, 0).Should().BeNull();
splitter.GetSplitRange(value, splitList, 0, -1).Should().BeNull();
splitter.GetSplitRange(value, splitList, -1, -1).Should().BeNull();
}
