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//========================================================================
//
// Catalog.h
//
// Copyright 1996-2003 Glyph & Cog, LLC
//
//========================================================================
#ifndef CATALOG_H
#define CATALOG_H
#include <aconf.h>
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
class XRef;
class Object;
class Page;
class PageAttrs;
struct Ref;
class LinkDest;
//------------------------------------------------------------------------
// Catalog
//------------------------------------------------------------------------
class Catalog {
public:
// Constructor.
Catalog(XRef *xrefA);
// 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);
Object *getOutline() { return &outline; }
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
Object outline; // outline dictionary
GBool ok; // true if catalog is valid
int readPageTree(Dict *pages, PageAttrs *attrs, int start);
Object *findDestInTree(Object *tree, GString *name, Object *obj);
};
#endif
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