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Work on token parsing.

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Michael R Sweet
2021-05-01 17:50:52 -04:00
parent f5f0e190b5
commit e107b94c83
9 changed files with 338 additions and 110 deletions
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14
pdfio-private.h
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@ -120,6 +120,9 @@ struct _pdfio_file_s // PDF file structure
*bufptr, // Pointer into buffer
*bufend; // End of buffer
off_t bufpos; // Position in file for start of buffer
pdfio_dict_t *trailer; // Trailer dictionary
pdfio_obj_t *root; // Root object/dictionary
pdfio_obj_t *info; // Information object/dictionary
// Allocated data elements
size_t num_arrays, // Number of arrays
@ -162,6 +165,8 @@ struct _pdfio_stream_s // Stream
z_stream flate; // Flate filter state
};
typedef ssize_t (*_pdfio_token_cb_t)(void *data, void *buffer, size_t bufsize);
//
// Functions...
@ -173,6 +178,7 @@ extern bool _pdfioArrayWrite(pdfio_array_t *a) PDFIO_INTERNAL;
extern void _pdfioDictDelete(pdfio_dict_t *dict) PDFIO_INTERNAL;
extern _pdfio_value_t *_pdfioDictGetValue(pdfio_dict_t *dict, const char *key) PDFIO_INTERNAL;
extern pdfio_dict_t *_pdfioDictRead(pdfio_file_t *pdf) PDFIO_INTERNAL;
extern bool _pdfioDictSetValue(pdfio_dict_t *dict, const char *key, _pdfio_value_t *value) PDFIO_INTERNAL;
extern bool _pdfioDictWrite(pdfio_dict_t *dict, off_t *length) PDFIO_INTERNAL;
@ -180,13 +186,15 @@ extern bool _pdfioFileDefaultError(pdfio_file_t *pdf, const char *message, void
extern bool _pdfioFileError(pdfio_file_t *pdf, const char *format, ...) PDFIO_FORMAT(2,3) PDFIO_INTERNAL;
extern bool _pdfioFileFlush(pdfio_file_t *pdf) PDFIO_INTERNAL;
extern int _pdfioFileGetChar(pdfio_file_t *pdf) PDFIO_INTERNAL;
extern bool _pdfioFileGetToken(pdfio_file_t *pdf, char *buffer, size_t bufsize) PDFIO_INTERNAL;
extern bool _pdfioFileGets(pdfio_file_t *pdf, char *buffer, size_t bufsize) PDFIO_INTERNAL;
extern ssize_t _pdfioFilePeek(pdfio_file_t *pdf, void *buffer, size_t bytes) PDFIO_INTERNAL;
extern bool _pdfioFilePrintf(pdfio_file_t *pdf, const char *format, ...) PDFIO_FORMAT(2,3) PDFIO_INTERNAL;
extern bool _pdfioFilePuts(pdfio_file_t *pdf, const char *s) PDFIO_INTERNAL;
extern ssize_t _pdfioFileRead(pdfio_file_t *pdf, char *buffer, size_t bytes) PDFIO_INTERNAL;
extern ssize_t _pdfioFileRead(pdfio_file_t *pdf, void *buffer, size_t bytes) PDFIO_INTERNAL;
extern off_t _pdfioFileSeek(pdfio_file_t *pdf, off_t offset, int whence) PDFIO_INTERNAL;
extern off_t _pdfioFileTell(pdfio_file_t *pdf) PDFIO_INTERNAL;
extern bool _pdfioFileWrite(pdfio_file_t *pdf, const char *buffer, size_t bytes) PDFIO_INTERNAL;
extern bool _pdfioFileWrite(pdfio_file_t *pdf, const void *buffer, size_t bytes) PDFIO_INTERNAL;
extern void _pdfioObjDelete(pdfio_obj_t *obj) PDFIO_INTERNAL;
@ -194,6 +202,8 @@ extern void _pdfioStreamDelete(pdfio_stream_t *st) PDFIO_INTERNAL;
extern bool _pdfioStringIsAllocated(pdfio_file_t *pdf, const char *s) PDFIO_INTERNAL;
extern bool _pdfioTokenRead(char *buffer, size_t bufsize, _pdfio_token_cb_t peek_cb, _pdfio_token_cb_t read_cb, void *data);
extern _pdfio_value_t *_pdfioValueCopy(pdfio_file_t *pdfdst, _pdfio_value_t *vdst, pdfio_file_t *pdfsrc, _pdfio_value_t *vsrc) PDFIO_INTERNAL;
extern void _pdfioValueDelete(_pdfio_value_t *v) PDFIO_INTERNAL;
extern bool _pdfioValueWrite(pdfio_file_t *pdf, _pdfio_value_t *v) PDFIO_INTERNAL;