78 lines
1.7 KiB
C++
78 lines
1.7 KiB
C++
//========================================================================
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//
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// Dict.h
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//
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// Copyright 1996-2003 Glyph & Cog, LLC
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//
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//========================================================================
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#ifndef DICT_H
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#define DICT_H
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#include <aconf.h>
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#ifdef USE_GCC_PRAGMAS
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#pragma interface
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#endif
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#include "Object.h"
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//------------------------------------------------------------------------
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// Dict
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//------------------------------------------------------------------------
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struct DictEntry {
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char *key;
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Object val;
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};
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class Dict {
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public:
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// Constructor.
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Dict(XRef *xrefA);
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// Destructor.
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~Dict();
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// Reference counting.
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int incRef() { return ++ref; }
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int decRef() { return --ref; }
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// Get number of entries.
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int getLength() { return length; }
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// Add an entry. NB: does not copy key.
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void add(char *key, Object *val);
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// Check if dictionary is of specified type.
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GBool is(const char *type);
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// Look up an entry and return the value. Returns a null object
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// if <key> is not in the dictionary.
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Object *lookup(const char *key, Object *obj, int recursion = 0);
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Object *lookupNF(const char *key, Object *obj);
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// Iterative accessors.
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char *getKey(int i);
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Object *getVal(int i, Object *obj);
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Object *getValNF(int i, Object *obj);
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// Set the xref pointer. This is only used in one special case: the
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// trailer dictionary, which is read before the xref table is
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// parsed.
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void setXRef(XRef *xrefA) { xref = xrefA; }
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private:
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XRef *xref; // the xref table for this PDF file
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DictEntry *entries; // array of entries
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int size; // size of <entries> array
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int length; // number of entries in dictionary
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int ref; // reference count
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DictEntry *find(const char *key);
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};
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#endif
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