public static void DumpToStream(Stream stream, RawAffChart chart)
{
TextWriter writer = new StreamWriter(stream);
writer.WriteLine($"AudioOffset:{chart.AudioOffset}");
writer.WriteLine($"-");
foreach (var item in chart.items)
{
writeItem(writer, item);
}
writer.Close();
}
public static void DumpToStream(Stream stream, RawAffChart chart)
{
TextWriter writer = new StreamWriter(stream);
writer.WriteLine($"AudioOffset:{chart.AudioOffset}");
if (chart.TimingPointDensityFactor != 1f)
{
writer.WriteLine($"TimingPointDensityFactor:{chart.TimingPointDensityFactor}");
}
foreach (var entry in chart.additionalMetadata)
{
writer.WriteLine($"{entry.Key}:{entry.Value}");
}
writer.WriteLine($"-");
foreach (var item in chart.items)
{
writeItem(writer, item);
}
writer.Close();
}
public AffTypeChecker(RawAffChart chart, int lineOffset = 0)
{
this.lineOffset = lineOffset;
this.chart = chart;
}
public AffErrorListener(RawAffChart chart, int lineOffset = 0)
{
this.lineOffset = lineOffset;
this.chart = chart;
}
public static RawAffChart ParseFromPath(string path)
{
RawAffChart chart = new RawAffChart();
using (StreamReader reader = new StreamReader(path))
{
// manually parse metadata
int metadataLinesCount = 0;
bool AudioOffsetSet = false;
bool TimingPointDensityFactorSet = false;
while (true)
{
string line = reader.ReadLine();
if (line == null)
{
break;
}
metadataLinesCount++;
if (line == "-")
{
break;
}
int pos = line.IndexOf(":");
if (pos < 0)
{
chart.warning.Add($"第 {metadataLinesCount} 行：{line} 元信息格式错误，此行会被忽略");
continue;
}
string key = line.Substring(0, pos);
string value = line.Substring(pos + 1);
if (key == "AudioOffset")
{
if (AudioOffsetSet)
{
chart.warning.Add($"第 {metadataLinesCount} 行：AudioOffset 被重复设置为 {value}，此行会被忽略");
}
else
{
int offset;
if (Int32.TryParse(value, out offset))
{
chart.AudioOffset = offset;
AudioOffsetSet = true;
}
else
{
chart.warning.Add($"第 {metadataLinesCount} 行：AudioOffset 的值不是整数，此行会被忽略");
}
}
}
else if (key == "TimingPointDensityFactor")
{
if (TimingPointDensityFactorSet)
{
chart.warning.Add($"第 {metadataLinesCount} 行：TimingPointDensityFactor 被重复设置为 {value}，此行会被忽略");
}
else
{
float factor;
if (float.TryParse(value, out factor))
{
if (factor > 0)
{
chart.TimingPointDensityFactor = factor;
TimingPointDensityFactorSet = true;
}
else
{
chart.warning.Add($"第 {metadataLinesCount} 行：TimingPointDensityFactor 的值不是正数，此行会被忽略");
}
}
else
{
chart.warning.Add($"第 {metadataLinesCount} 行：TimingPointDensityFactor 的值不是浮点数，此行会被忽略");
}
}
}
else
{
if (chart.additionalMetadata.ContainsKey(key))
{
chart.warning.Add($"第 {metadataLinesCount} 行：{key}被重复设置为{value}，此行会被忽略");
}
else
{
chart.additionalMetadata.Add(key, value);
}
}
}
ICharStream stream = CharStreams.fromTextReader(reader);
ArcaeaFileFormatLexer lexer = new ArcaeaFileFormatLexer(stream);
AffErrorListener <int> lexerErrorListener = new AffErrorListener <int>(chart, metadataLinesCount);
lexer.RemoveErrorListeners();
lexer.AddErrorListener(lexerErrorListener);
ITokenStream tokenStream = new CommonTokenStream(lexer);
ArcaeaFileFormatParser parser = new ArcaeaFileFormatParser(tokenStream);
parser.BuildParseTree = true;
AffErrorListener <IToken> parserErrorListener = new AffErrorListener <IToken>(chart, metadataLinesCount);
parser.RemoveErrorListeners();
parser.AddErrorListener(parserErrorListener);
IParseTree tree = parser.file();
if (chart.error.Count == 0)
{
ParseTreeWalker.Default.Walk(new AffTypeChecker(chart, metadataLinesCount), tree);
}
}
foreach (string warning in chart.warning)
{
Debug.LogWarning(warning);
}
foreach (string error in chart.error)
{
Debug.LogError(error);
}
return(chart);
}