| //======================================================================== |
| // |
| // Dict.h |
| // |
| // Copyright 1996-2003 Glyph & Cog, LLC |
| // |
| //======================================================================== |
| |
| //======================================================================== |
| // |
| // Modified under the Poppler project - http://poppler.freedesktop.org |
| // |
| // All changes made under the Poppler project to this file are licensed |
| // under GPL version 2 or later |
| // |
| // Copyright (C) 2005 Kristian Høgsberg <krh@redhat.com> |
| // Copyright (C) 2006 Krzysztof Kowalczyk <kkowalczyk@gmail.com> |
| // Copyright (C) 2007-2008 Julien Rebetez <julienr@svn.gnome.org> |
| // Copyright (C) 2010 Albert Astals Cid <aacid@kde.org> |
| // Copyright (C) 2010 Paweł Wiejacha <pawel.wiejacha@gmail.com> |
| // Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de> |
| // |
| // To see a description of the changes please see the Changelog file that |
| // came with your tarball or type make ChangeLog if you are building from git |
| // |
| //======================================================================== |
| |
| #ifndef DICT_H |
| #define DICT_H |
| |
| #ifdef USE_GCC_PRAGMAS |
| #pragma interface |
| #endif |
| |
| #include "poppler-config.h" |
| #include "Object.h" |
| #include "goo/GooMutex.h" |
| |
| //------------------------------------------------------------------------ |
| // Dict |
| //------------------------------------------------------------------------ |
| |
| struct DictEntry { |
| char *key; |
| Object val; |
| }; |
| |
| class Dict { |
| public: |
| |
| // Constructor. |
| Dict(XRef *xrefA); |
| Dict(Dict* dictA); |
| Dict *copy(XRef *xrefA); |
| |
| // Destructor. |
| ~Dict(); |
| |
| // Reference counting. |
| int incRef(); |
| int decRef(); |
| |
| // Get number of entries. |
| int getLength() { return length; } |
| |
| // Add an entry. NB: does not copy key. |
| void add(char *key, Object *val); |
| |
| // Update the value of an existing entry, otherwise create it |
| void set(const char *key, Object *val); |
| // Remove an entry. This invalidate indexes |
| void remove(const char *key); |
| |
| // Check if dictionary is of specified type. |
| GBool is(const char *type); |
| |
| // Look up an entry and return the value. Returns a null object |
| // if <key> is not in the dictionary. |
| Object *lookup(const char *key, Object *obj, int recursion = 0); |
| Object *lookupNF(const 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; } |
| |
| XRef *getXRef() { return xref; } |
| |
| GBool hasKey(const char *key); |
| |
| private: |
| |
| GBool sorted; |
| 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 |
| #if MULTITHREADED |
| GooMutex mutex; |
| #endif |
| |
| DictEntry *find(const char *key); |
| }; |
| |
| #endif |