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remove preview static local function by moving to class scope

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This commit is contained in:
Eliot Jones
2022-04-10 12:06:12 -04:00
parent 2d34e46122
commit 3195422376
1 changed files with 52 additions and 31 deletions
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43
src/UglyToad.PdfPig/Parser/CatalogFactory.cs
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@@ -64,7 +64,13 @@
return new Catalog(dictionary, pages, pageTree);
}
private static PageTreeNode ProcessPagesNode(IndirectReference referenceInput, DictionaryToken nodeDictionaryInput, IndirectReference parentReferenceInput, bool isRoot, IPdfTokenScanner pdfTokenScanner, bool isLenientParsing, PageCounter pageNumber)
private static PageTreeNode ProcessPagesNode(IndirectReference referenceInput,
DictionaryToken nodeDictionaryInput,
IndirectReference parentReferenceInput,
bool isRoot,
IPdfTokenScanner pdfTokenScanner,
bool isLenientParsing,
PageCounter pageNumber)
{
bool isPage = CheckIfIsPage(nodeDictionaryInput, parentReferenceInput, isRoot, pdfTokenScanner, isLenientParsing);
@@ -77,14 +83,18 @@
//If we got here, we have to iterate till we manage to exit
var toProcess = new Queue<(PageTreeNode thisPage, IndirectReference reference, DictionaryToken nodeDictionary, IndirectReference parentReference, List<PageTreeNode> nodeChildren)>();
var toProcess =
new Queue<(PageTreeNode thisPage, IndirectReference reference, DictionaryToken nodeDictionary, IndirectReference parentReference,
List<PageTreeNode> nodeChildren)>();
var firstPage = new PageTreeNode(nodeDictionaryInput, referenceInput, false, null);
var setChildren = new List<Action>();
var firstPageChildren = new List<PageTreeNode>();
setChildren.Add(() => firstPage.WithChildren(firstPageChildren));
toProcess.Enqueue((thisPage: firstPage, reference: referenceInput, nodeDictionary: nodeDictionaryInput, parentReference: parentReferenceInput, nodeChildren: firstPageChildren));
toProcess.Enqueue(
(thisPage: firstPage, reference: referenceInput, nodeDictionary: nodeDictionaryInput, parentReference: parentReferenceInput,
nodeChildren: firstPageChildren));
do
{
@@ -92,16 +102,25 @@
if (!current.nodeDictionary.TryGet(NameToken.Kids, pdfTokenScanner, out ArrayToken kids))
{
if (!isLenientParsing) { throw new PdfDocumentFormatException($"Pages node in the document pages tree did not define a kids array: {current.nodeDictionary}."); }
if (!isLenientParsing)
{
throw new PdfDocumentFormatException($"Pages node in the document pages tree did not define a kids array: {current.nodeDictionary}.");
}
kids = new ArrayToken(EmptyArray<IToken>.Instance);
}
foreach (var kid in kids.Data)
{
if (!(kid is IndirectReferenceToken kidRef)) { throw new PdfDocumentFormatException($"Kids array contained invalid entry (must be indirect reference): {kid}."); }
if (!(kid is IndirectReferenceToken kidRef))
{
throw new PdfDocumentFormatException($"Kids array contained invalid entry (must be indirect reference): {kid}.");
}
if (!DirectObjectFinder.TryGet(kidRef, pdfTokenScanner, out DictionaryToken kidDictionaryToken)) { throw new PdfDocumentFormatException($"Could not find dictionary associated with reference in pages kids array: {kidRef}."); }
if (!DirectObjectFinder.TryGet(kidRef, pdfTokenScanner, out DictionaryToken kidDictionaryToken))
{
throw new PdfDocumentFormatException($"Could not find dictionary associated with reference in pages kids array: {kidRef}.");
}
bool isChildPage = CheckIfIsPage(kidDictionaryToken, current.reference, false, pdfTokenScanner, isLenientParsing);
@@ -109,14 +128,17 @@
{
pageNumber.Increment();
var kidPageNode = new PageTreeNode(kidDictionaryToken, kidRef.Data, true, pageNumber.PageCount).WithChildren(EmptyArray<PageTreeNode>.Instance);
var kidPageNode =
new PageTreeNode(kidDictionaryToken, kidRef.Data, true, pageNumber.PageCount).WithChildren(EmptyArray<PageTreeNode>.Instance);
current.nodeChildren.Add(kidPageNode);
}
else
{
var kidChildNode = new PageTreeNode(kidDictionaryToken, kidRef.Data, false, null);
var kidChildren = new List<PageTreeNode>();
toProcess.Enqueue((thisPage: kidChildNode, reference: kidRef.Data, nodeDictionary: kidDictionaryToken, parentReference: current.reference, nodeChildren: kidChildren));
toProcess.Enqueue(
(thisPage: kidChildNode, reference: kidRef.Data, nodeDictionary: kidDictionaryToken, parentReference: current.reference,
nodeChildren: kidChildren));
setChildren.Add(() => kidChildNode.WithChildren(kidChildren));
@@ -131,9 +153,9 @@
}
return firstPage;
}
static bool CheckIfIsPage(DictionaryToken nodeDictionary, IndirectReference parentReference, bool isRoot, IPdfTokenScanner pdfTokenScanner, bool isLenientParsing)
private static bool CheckIfIsPage(DictionaryToken nodeDictionary, IndirectReference parentReference, bool isRoot, IPdfTokenScanner pdfTokenScanner, bool isLenientParsing)
{
var isPage = false;
@@ -160,5 +182,4 @@
return isPage;
}
}
}
}