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#ifndef PP_LOAD_H
#define PP_LOAD_H
typedef struct {
ppobj *buf; // ppobjects buffer (allocated, not from our heap)
ppobj *pos; // current ppobj *
size_t size; // stack size
size_t space; // available space
ppheap *heap; // allocator (parent pdf->stack->heap or parent context)
} ppstack;
typedef struct {
ppobj *current;
ppobj *sentinel;
} ppkids;
#define PPPAGES_STACK_DEPTH 4
typedef struct {
ppkids buffer[PPPAGES_STACK_DEPTH];
ppkids *root;
ppkids *parent;
ppuint depth;
ppuint space;
} pppages;
struct ppdoc {
/* input */
iof_file input;
iof reader;
uint8_t *buffer;
size_t filesize;
/* heap */
ppheap heap;
ppstack stack;
/* output struct */
ppxref *xref;
pppages pages;
ppcrypt *crypt;
ppcrypt_status cryptstatus;
int flags;
char version[5];
};
#define PPDOC_LINEARIZED (1 << 0)
ppobj * ppdoc_load_entry (ppdoc *pdf, ppref *ref);
#define ppobj_preloaded(pdf, obj) ((obj)->type != PPREF ? (obj) : ((obj)->ref->object.type == PPNONE ? ppdoc_load_entry(pdf, (obj)->ref) : &(obj)->ref->object))
ppstring * ppstring_internal (const void *data, size_t size, ppheap *heap);
struct ppcontext {
ppheap heap;
ppstack stack;
};
#endif
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