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//========================================================================
//
// Catalog.h
//
// Copyright 1996-2007 Glyph & Cog, LLC
//
//========================================================================
#ifndef CATALOG_H
#define CATALOG_H
#include <aconf.h>
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
#include "CharTypes.h"
class GList;
class PDFDoc;
class XRef;
class Object;
class Page;
class PageAttrs;
struct Ref;
class LinkDest;
class PageTreeNode;
class Form;
//------------------------------------------------------------------------
// Catalog
//------------------------------------------------------------------------
class Catalog {
public:
// Constructor.
Catalog(PDFDoc *docA);
// Destructor.
~Catalog();
// Is catalog valid?
GBool isOk() { return ok; }
// Get number of pages.
int getNumPages() { return numPages; }
// Get a page.
Page *getPage(int i);
// Get the reference for a page object.
Ref *getPageRef(int i);
// Remove a page from the catalog. (It can be reloaded later by
// calling getPage).
void doneWithPage(int i);
// 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 *getDests() { return &dests; }
Object *getNameTree() { return &nameTree; }
Object *getOutline() { return &outline; }
Object *getAcroForm() { return &acroForm; }
Form *getForm() { return form; }
Object *getOCProperties() { return &ocProperties; }
// Get the list of embedded files.
int getNumEmbeddedFiles();
Unicode *getEmbeddedFileName(int idx);
int getEmbeddedFileNameLength(int idx);
Object *getEmbeddedFileStreamRef(int idx);
Object *getEmbeddedFileStreamObj(int idx, Object *strObj);
private:
PDFDoc *doc;
XRef *xref; // the xref table for this PDF file
PageTreeNode *pageTree; // the page tree
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
Object acroForm; // AcroForm dictionary
Form *form; // parsed form
Object ocProperties; // OCProperties dictionary
GList *embeddedFiles; // embedded file list [EmbeddedFile]
GBool ok; // true if catalog is valid
Object *findDestInTree(Object *tree, GString *name, Object *obj);
GBool readPageTree(Object *catDict);
int countPageTree(Object *pagesObj);
void loadPage(int pg);
void loadPage2(int pg, int relPg, PageTreeNode *node);
void readEmbeddedFileList(Dict *catDict);
void readEmbeddedFileTree(Object *node);
void readFileAttachmentAnnots(Object *pageNodeRef,
char *touchedObjs);
void readEmbeddedFile(Object *fileSpec, Object *name1);
};
#endif
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