parse.h 2.5 KB

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  1. // Copyright (C) 2004-2021 Artifex Software, Inc.
  2. //
  3. // This file is part of MuPDF.
  4. //
  5. // MuPDF is free software: you can redistribute it and/or modify it under the
  6. // terms of the GNU Affero General Public License as published by the Free
  7. // Software Foundation, either version 3 of the License, or (at your option)
  8. // any later version.
  9. //
  10. // MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
  11. // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  12. // FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
  13. // details.
  14. //
  15. // You should have received a copy of the GNU Affero General Public License
  16. // along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
  17. //
  18. // Alternative licensing terms are available from the licensor.
  19. // For commercial licensing, see <https://www.artifex.com/> or contact
  20. // Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
  21. // CA 94129, USA, for further information.
  22. #ifndef MUPDF_PDF_PARSE_H
  23. #define MUPDF_PDF_PARSE_H
  24. #include "mupdf/pdf/document.h"
  25. typedef enum
  26. {
  27. PDF_TOK_ERROR, PDF_TOK_EOF,
  28. PDF_TOK_OPEN_ARRAY, PDF_TOK_CLOSE_ARRAY,
  29. PDF_TOK_OPEN_DICT, PDF_TOK_CLOSE_DICT,
  30. PDF_TOK_OPEN_BRACE, PDF_TOK_CLOSE_BRACE,
  31. PDF_TOK_NAME, PDF_TOK_INT, PDF_TOK_REAL, PDF_TOK_STRING, PDF_TOK_KEYWORD,
  32. PDF_TOK_R, PDF_TOK_TRUE, PDF_TOK_FALSE, PDF_TOK_NULL,
  33. PDF_TOK_OBJ, PDF_TOK_ENDOBJ,
  34. PDF_TOK_STREAM, PDF_TOK_ENDSTREAM,
  35. PDF_TOK_XREF, PDF_TOK_TRAILER, PDF_TOK_STARTXREF,
  36. PDF_TOK_NEWOBJ,
  37. PDF_NUM_TOKENS
  38. } pdf_token;
  39. void pdf_lexbuf_init(fz_context *ctx, pdf_lexbuf *lexbuf, int size);
  40. void pdf_lexbuf_fin(fz_context *ctx, pdf_lexbuf *lexbuf);
  41. ptrdiff_t pdf_lexbuf_grow(fz_context *ctx, pdf_lexbuf *lexbuf);
  42. pdf_token pdf_lex(fz_context *ctx, fz_stream *f, pdf_lexbuf *lexbuf);
  43. pdf_token pdf_lex_no_string(fz_context *ctx, fz_stream *f, pdf_lexbuf *lexbuf);
  44. pdf_obj *pdf_parse_array(fz_context *ctx, pdf_document *doc, fz_stream *f, pdf_lexbuf *buf);
  45. pdf_obj *pdf_parse_dict(fz_context *ctx, pdf_document *doc, fz_stream *f, pdf_lexbuf *buf);
  46. pdf_obj *pdf_parse_stm_obj(fz_context *ctx, pdf_document *doc, fz_stream *f, pdf_lexbuf *buf);
  47. pdf_obj *pdf_parse_ind_obj(fz_context *ctx, pdf_document *doc, fz_stream *f, int *num, int *gen, int64_t *stm_ofs, int *try_repair);
  48. pdf_obj *pdf_parse_journal_obj(fz_context *ctx, pdf_document *doc, fz_stream *stm, int *onum, fz_buffer **ostm, int *newobj);
  49. /*
  50. print a lexed token to a buffer, growing if necessary
  51. */
  52. void pdf_append_token(fz_context *ctx, fz_buffer *buf, int tok, pdf_lexbuf *lex);
  53. #endif