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！ResourceStack自动忽略空引用

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WMJ
2026-06-21 11:15:09 +08:00
parent b157302eee
commit ca2fe7325c
1 changed files with 10 additions and 3 deletions
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App/Processor/ContentParser/ResourceStack.cs
+10 -3
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@@ -9,13 +9,20 @@ sealed class ResourceStack
readonly Stack<PdfDictionary> _stack = new();
public ResourceStack(PdfDictionary pageResources) {
_stack.Push(pageResources);
if (pageResources is not null) {
_stack.Push(pageResources);
}
}
public PdfDictionary Current => _stack.Count != 0 ? _stack.Peek() : null;
public void Push(PdfDictionary res) => _stack.Push(res);
public void Pop() => _stack.Pop();
public void Push(PdfDictionary res) {
if (res is not null) {
_stack.Push(res);
}
}
public PdfDictionary Pop() => _stack.Pop();
public PdfDictionary LookupResource(PdfNames resourceType, string resName) {
foreach (var layer in _stack) {