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//========================================================================
//
// Dict.h
//
// Copyright 1996-2003 Glyph & Cog, LLC
//
//========================================================================
#ifndef DICT_H
#define DICT_H
#include <aconf.h>
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
#include "Object.h"
//------------------------------------------------------------------------
// Dict
//------------------------------------------------------------------------
struct DictEntry {
char *key;
Object val;
};
class Dict {
public:
// Constructor.
Dict(XRef *xrefA);
// Destructor.
~Dict();
// Reference counting.
int incRef() { return ++ref; }
int decRef() { return --ref; }
// Get number of entries.
int getLength() { return length; }
// Add an entry. NB: does not copy key.
void add(char *key, Object *val);
// Check if dictionary is of specified type.
GBool is(char *type);
// Look up an entry and return the value. Returns a null object
// if <key> is not in the dictionary.
Object *lookup(char *key, Object *obj);
Object *lookupNF(char *key, Object *obj);
// Iterative accessors.
char *getKey(int i);
Object *getVal(int i, Object *obj);
Object *getValNF(int i, Object *obj);
// Set the xref pointer. This is only used in one special case: the
// trailer dictionary, which is read before the xref table is
// parsed.
void setXRef(XRef *xrefA) { xref = xrefA; }
private:
XRef *xref; // the xref table for this PDF file
DictEntry *entries; // array of entries
int size; // size of <entries> array
int length; // number of entries in dictionary
int ref; // reference count
DictEntry *find(char *key);
};
#endif
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