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优化保存文件时的内存占用 #831

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优化保存文件时的内存占用 #831

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21 changes: 19 additions & 2 deletions Il2CppDumper/Outputs/StructGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -375,7 +375,10 @@ public void WriteScript(string outputDir)
var jsonOptions = new JsonSerializerOptions() { WriteIndented = true, IncludeFields = true };
File.WriteAllText(outputDir + "stringliteral.json", JsonSerializer.Serialize(stringLiterals, jsonOptions), new UTF8Encoding(false));
//写入文件
File.WriteAllText(outputDir + "script.json", JsonSerializer.Serialize(json, jsonOptions));
using (var stream = new FileStream(outputDir + "script.json",FileMode.Create))
{
JsonSerializer.Serialize(stream, json, jsonOptions);
}
//il2cpp.h
for (int i = 0; i < genericClassList.Count; i++)
{
Expand Down Expand Up @@ -428,7 +431,21 @@ public void WriteScript(string outputDir)
sb.Append(headerStruct);
sb.Append(arrayClassHeader);
sb.Append(methodInfoHeader);
File.WriteAllText(outputDir + "il2cpp.h", sb.ToString());
int bufferSize = 4096;
using (StreamWriter writer = new StreamWriter(outputDir + "il2cpp.h", false, Encoding.UTF8, bufferSize))
{
int index = 0;
int length = sb.Length;
char[] buffer = new char[bufferSize];

while (index < length)
{
int count = Math.Min(bufferSize, length - index);
sb.CopyTo(index, buffer, 0, count);
writer.Write(buffer, 0, count);
index += count;
}
}
}

private void AddMetadataUsageTypeInfo(ScriptJson json, uint index, ulong address)
Expand Down