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+//========================================================================
+//
+// Catalog.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef CATALOG_H
+#define CATALOG_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+class XRef;
+class Object;
+class Page;
+class PageAttrs;
+struct Ref;
+class LinkDest;
+
+//------------------------------------------------------------------------
+// Catalog
+//------------------------------------------------------------------------
+
+class Catalog {
+public:
+
+ // Constructor.
+ Catalog(XRef *xrefA, GBool printCommands = gFalse);
+
+ // Destructor.
+ ~Catalog();
+
+ // Is catalog valid?
+ GBool isOk() { return ok; }
+
+ // Get number of pages.
+ int getNumPages() { return numPages; }
+
+ // Get a page.
+ Page *getPage(int i) { return pages[i-1]; }
+
+ // Get the reference for a page object.
+ Ref *getPageRef(int i) { return &pageRefs[i-1]; }
+
+ // Return base URI, or NULL if none.
+ GString *getBaseURI() { return baseURI; }
+
+ // Return the contents of the metadata stream, or NULL if there is
+ // no metadata.
+ GString *readMetadata();
+
+ // Return the structure tree root object.
+ Object *getStructTreeRoot() { return &structTreeRoot; }
+
+ // Find a page, given its object ID. Returns page number, or 0 if
+ // not found.
+ int findPage(int num, int gen);
+
+ // Find a named destination. Returns the link destination, or
+ // NULL if <name> is not a destination.
+ LinkDest *findDest(GString *name);
+
+private:
+
+ XRef *xref; // the xref table for this PDF file
+ Page **pages; // array of pages
+ Ref *pageRefs; // object ID for each page
+ int numPages; // number of pages
+ int pagesSize; // size of pages array
+ Object dests; // named destination dictionary
+ Object nameTree; // name tree
+ GString *baseURI; // base URI for URI-type links
+ Object metadata; // metadata stream
+ Object structTreeRoot; // structure tree root dictionary
+ GBool ok; // true if catalog is valid
+
+ int readPageTree(Dict *pages, PageAttrs *attrs, int start,
+ GBool printCommands);
+ Object *findDestInTree(Object *tree, GString *name, Object *obj);
+};
+
+#endif