internal OrthographyCounter(Orthography orthography)
{
Glyphs = new Dictionary <Glyph, Int32>(orthography.Count);
foreach (Glyph glyph in orthography)
{
if (!Glyphs.ContainsKey(glyph.ToUpper()))
{
Glyphs.Add(glyph.ToUpper(), 0);
}
}
}
/// <summary>
/// Is the <paramref name="string"/> a pangram?
/// </summary>
/// <param name="string">The <see cref="String"/> to check.</param>
/// <param name="orthography">The orthography to use.</param>
/// <returns>
/// <para>Pangrams are text in which each glyph in the orthography is present.</para>
/// </returns>
public static Boolean IsPangram(this String @string, Orthography orthography)
{
OrthographyCounter counter = orthography.GetCounter();
counter.Add(@string);
foreach (Int32 count in counter.Values)
{
if (count == 0)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Is the <paramref name="string"/> an isogram?
/// </summary>
/// <param name="string">The <see cref="String"/> to check.</param>
/// <param name="orthography">The orthography to use.</param>
/// <param name="order">The order of the isogram.</param>
/// <returns><see langword="true"/> if isogram; otherwise, <see langword="false"/>.</returns>
/// <remarks>
/// <para>Isograms are text in which each glyph that is present, is present the same number of times.</para>
/// </remarks>
public static Boolean IsIsogram(this String @string, Orthography orthography, out Int32 order)
{
OrthographyCounter counter = orthography.GetCounter();
counter.Add(@string);
order = 0;
foreach (Int32 count in counter.Values)
{
if (order == 0 && count != 0)
{
order = count;
}
if (count != order && count != 0)
{
return(false);
}
}
return(true);
}
/// <summary> /// Is the <paramref name="string"/> an isogram? /// </summary> /// <param name="string">The <see cref="String"/> to check.</param> /// <param name="orthography">The orthography to use.</param> /// <returns><see langword="true"/> if isogram; otherwise, <see langword="false"/>.</returns> /// <remarks> /// <para>Isograms are text in which each glyph that is present, is present the same number of times.</para> /// </remarks> public static Boolean IsIsogram(this String @string, Orthography orthography) => @string.IsIsogram(orthography, out _);
/// <summary> /// Gets an orthographic counter for this <see cref="Orthography"/>. /// </summary> /// <returns>A <see cref="OrthographyCounter"/> instance.</returns> internal static OrthographyCounter GetCounter(this Orthography orthography) => new OrthographyCounter(orthography);