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435a566751
* sumatrapdf - vendor import * everything compiles (libjpeg, poppler, fitz, sumatrapdf) * does NOT link (remove the comment tags in the parent directory.rbuild file (rosapps dir) to build it) svn path=/trunk/; revision=29295
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/*
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* tokenizer and low-level object parser
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*/
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enum
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{
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PDF_TERROR, PDF_TEOF,
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PDF_TOARRAY, PDF_TCARRAY,
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PDF_TODICT, PDF_TCDICT,
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PDF_TOBRACE, PDF_TCBRACE,
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PDF_TNAME, PDF_TINT, PDF_TREAL, PDF_TSTRING, PDF_TKEYWORD,
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PDF_TR, PDF_TTRUE, PDF_TFALSE, PDF_TNULL,
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PDF_TOBJ, PDF_TENDOBJ,
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PDF_TSTREAM, PDF_TENDSTREAM,
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PDF_TXREF, PDF_TTRAILER, PDF_TSTARTXREF,
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PDF_NTOKENS
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};
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/* lex.c */
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int pdf_lex(fz_stream *f, unsigned char *buf, int n, int *len);
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/* parse.c */
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fz_error *pdf_parsearray(fz_obj **op, fz_stream *f, char *buf, int cap);
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fz_error *pdf_parsedict(fz_obj **op, fz_stream *f, char *buf, int cap);
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fz_error *pdf_parsestmobj(fz_obj **op, fz_stream *f, char *buf, int cap);
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fz_error *pdf_parseindobj(fz_obj **op, fz_stream *f, char *buf, int cap, int *oid, int *gid, int *stmofs);
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fz_rect pdf_torect(fz_obj *array);
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fz_matrix pdf_tomatrix(fz_obj *array);
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fz_error *pdf_toutf8(char **dstp, fz_obj *src);
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fz_error *pdf_toucs2(unsigned short **dstp, fz_obj *src);
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/*
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* Encryption
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*/
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/* Permission bits on pdf_crypt_s->p field */
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#define PDF_PERM_PRINT (1<<2) // bit 3
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#define PDF_PERM_CHANGE (1<<3) // bit 4
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#define PDF_PERM_COPY (1<<4) // bit 5
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#define PDF_PERM_NOTES (1<<5) // bit 6
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#define PDF_PERM_FILL_FORM (1<<8) // bit 9
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#define PDF_PERM_ACCESSIBILITY (1<<9) // bit 10
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#define PDF_PERM_ASSEMBLE (1<<10) // bit 11
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#define PDF_PERM_HIGH_RES_PRINT (1<<11) // bit 12
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#define PDF_DEFAULT_PERM_FLAGS 0xfffc
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typedef struct pdf_crypt_s pdf_crypt;
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struct pdf_crypt_s
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{
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unsigned char o[32];
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unsigned char u[32];
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unsigned int p;
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int r;
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int n;
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fz_obj *encrypt;
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fz_obj *id;
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unsigned char key[16];
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int keylen;
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};
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/* crypt.c */
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fz_error *pdf_newdecrypt(pdf_crypt **cp, fz_obj *enc, fz_obj *id);
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fz_error *pdf_newencrypt(pdf_crypt **cp, char *userpw, char *ownerpw, int p, int n, fz_obj *id);
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fz_error *pdf_setpassword(pdf_crypt *crypt, char *pw);
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fz_error *pdf_setuserpassword(pdf_crypt *crypt, char *pw, int pwlen);
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fz_error *pdf_setownerpassword(pdf_crypt *crypt, char *pw, int pwlen);
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fz_error *pdf_cryptstream(fz_filter **fp, pdf_crypt *crypt, int oid, int gid);
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void pdf_cryptobj(pdf_crypt *crypt, fz_obj *obj, int oid, int gid);
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void pdf_dropcrypt(pdf_crypt *crypt);
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