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Rationalise visibility of context values

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This commit is contained in:
Andrew Cooper
2022-10-03 22:19:51 +11:00
parent 0c9d3580f5
commit d8dd694ea4
2 changed files with 38 additions and 34 deletions
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55
70_Poetry/csharp/Context.cs
View File

@@ -4,6 +4,11 @@ internal class Context
{
private readonly IReadWrite _io;
private readonly IRandom _random;
private int _phraseNumber;
private int _groupNumber;
private bool _skipComma;
private int _lineCount;
private bool _useGroup2;
public Context(IReadWrite io, IRandom random)
{
@@ -11,14 +16,20 @@ internal class Context
_random = random;
}
public int I { get; set; }
public int J { get; set; }
public int K { get; set; }
public int U { get; set; }
public bool SkipComma { get; set; }
public bool UseGroup2 { get; set; }
public bool ShouldIndent => U == 0 && J % 2 == 0;
public bool GroupNumberIsValid => J < 5;
public int PhraseNumber => Math.Max(_phraseNumber - 1, 0);
public int GroupNumber
{
get
{
var value = _useGroup2 ? 2 : _groupNumber;
_useGroup2 = false;
return Math.Max(value - 1, 0);
}
}
public int PhraseCount { get; set; }
public bool GroupNumberIsValid => _groupNumber < 5;
public void WritePhrase()
{
@@ -27,12 +38,12 @@ internal class Context
public void MaybeWriteComma()
{
if (!SkipComma && _random.NextFloat() <= 0.19F && U != 0)
if (!_skipComma && _random.NextFloat() <= 0.19F && PhraseCount != 0)
{
_io.Write(",");
U = 2;
PhraseCount = 2;
}
SkipComma = false;
_skipComma = false;
}
public void WriteSpaceOrNewLine()
@@ -40,25 +51,25 @@ internal class Context
if (_random.NextFloat() <= 0.65F)
{
_io.Write(" ");
U += 1;
PhraseCount += 1;
}
else
{
_io.WriteLine();
U = 0;
PhraseCount = 0;
}
}
public void Update(IRandom random)
{
I = random.Next(1, 6);
J += 1;
K += 1;
_phraseNumber = random.Next(1, 6);
_groupNumber += 1;
_lineCount += 1;
}
public void MaybeIndent()
{
if (U == 0 && J % 2 == 0)
if (PhraseCount == 0 && _groupNumber % 2 == 0)
{
_io.Write(" ");
}
@@ -66,22 +77,22 @@ internal class Context
public void ResetGroup(IReadWrite io)
{
J = 0;
_groupNumber = 0;
io.WriteLine();
}
public bool MaybeCompleteStanza()
{
if (K > 20)
if (_lineCount > 20)
{
_io.WriteLine();
U = K = 0;
UseGroup2 = true;
PhraseCount = _lineCount = 0;
_useGroup2 = true;
return true;
}
return false;
}
public void SkipNextComma() => SkipComma = true;
public void SkipNextComma() => _skipComma = true;
}

17
70_Poetry/csharp/Phrase.cs
View File

@@ -2,7 +2,7 @@ namespace Poetry;
internal class Phrase
{
private static Phrase[][] _phrases = new Phrase[][]
private readonly static Phrase[][] _phrases = new Phrase[][]
{
new Phrase[]
{
@@ -14,10 +14,10 @@ internal class Phrase
},
new Phrase[]
{
new("beguiling me", ctx => ctx.U = 2),
new("beguiling me", ctx => ctx.PhraseCount = 2),
new("thrilled me"),
new("still sitting....", ctx => ctx.SkipNextComma()),
new("never flitting", ctx => ctx.U = 2),
new("never flitting", ctx => ctx.PhraseCount = 2),
new("burned")
},
new Phrase[]
@@ -26,7 +26,7 @@ internal class Phrase
new("darkness there"),
new("shall be lifted"),
new("quoth the raven"),
new(ctx => ctx.U != 0, "sign of parting")
new(ctx => ctx.PhraseCount != 0, "sign of parting")
},
new Phrase[]
{
@@ -64,14 +64,7 @@ internal class Phrase
_update = update;
}
public static Phrase GetPhrase(Context context)
{
var group = GetGroup(context.UseGroup2 ? 2 : context.J);
context.UseGroup2 = false;
return group[Math.Max(context.I - 1, 0)];
}
private static Phrase[] GetGroup(int groupNumber) => _phrases[Math.Max(groupNumber - 1, 0)];
public static Phrase GetPhrase(Context context) => _phrases[context.GroupNumber][context.PhraseNumber];
public void Write(IReadWrite io, Context context)
{