//======================================================================== // // Catalog.h // // Copyright 1996-2007 Glyph & Cog, LLC // //======================================================================== #ifndef CATALOG_H #define CATALOG_H #include #ifdef USE_GCC_PRAGMAS #pragma interface #endif #if MULTITHREADED #include "GMutex.h" #endif #include "CharTypes.h" class GList; class PDFDoc; class XRef; class Object; class Page; class PageAttrs; struct Ref; class LinkDest; class PageTreeNode; class PageLabelNode; class AcroForm; class TextString; //------------------------------------------------------------------------ // 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 is not a destination. LinkDest *findDest(GString *name); Object *getDests() { return &dests; } Object *getNameTree() { return &nameTree; } Object *getOutline() { return &outline; } Object *getAcroForm() { return &acroForm; } AcroForm *getForm() { return form; } GBool getNeedsRendering() { return needsRendering; } Object *getOCProperties() { return &ocProperties; } // Return the DestOutputProfile stream, or NULL if there isn't one. Object *getDestOutputProfile(Object *destOutProf); // 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); // Return true if the document has page labels. GBool hasPageLabels() { return pageLabels != NULL; } // Get the page label for page number [pageNum]. Returns NULL if // the PDF file doesn't have page labels. TextString *getPageLabel(int pageNum); // Returns the page number corresponding to [pageLabel]. Returns -1 // if there is no matching page label, or if the document doesn't // have page labels. int getPageNumFromPageLabel(TextString *pageLabel); Object *getViewerPreferences() { return &viewerPrefs; } 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 #if MULTITHREADED GMutex pageMutex; #endif int numPages; // number of pages 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 GBool needsRendering; // NeedsRendering flag AcroForm *form; // parsed form Object ocProperties; // OCProperties dictionary GList *embeddedFiles; // embedded file list [EmbeddedFile] GList *pageLabels; // page labels [PageLabelNode] Object viewerPrefs; // ViewerPreferences object 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); void readPageLabelTree(Object *root); void readPageLabelTree2(Object *node); PageLabelNode *findPageLabel(int pageNum); GString *makeRomanNumeral(int num, GBool uppercase); GString *makeLetterLabel(int num, GBool uppercase); GBool convertPageLabelToInt(TextString *pageLabel, int prefixLength, char style, int *n); }; #endif