| //======================================================================== |
| // |
| // Dict.h |
| // |
| // Copyright 1996-2003 Glyph & Cog, LLC |
| // |
| //======================================================================== |
| |
| #ifndef DICT_H |
| #define DICT_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); |
| GBool lookupInt(const char *key, const char *alt_key, int *value); |
| |
| // 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 |