diff options
Diffstat (limited to 'source/tools')
-rw-r--r-- | source/tools/pdfshow.c | 67 |
1 files changed, 43 insertions, 24 deletions
diff --git a/source/tools/pdfshow.c b/source/tools/pdfshow.c index 844620f6..c5d021ad 100644 --- a/source/tools/pdfshow.c +++ b/source/tools/pdfshow.c @@ -4,6 +4,8 @@ #include "mupdf/pdf.h" +static FILE *out = NULL; + static pdf_document *doc = NULL; static fz_context *ctx = NULL; static int showbinary = 0; @@ -16,6 +18,7 @@ static void usage(void) fprintf(stderr, "\t-b\tprint streams as binary data\n"); fprintf(stderr, "\t-e\tprint encoded streams (don't decode)\n"); fprintf(stderr, "\t-p\tpassword\n"); + fprintf(stderr, "\t-o\toutput file\n"); exit(1); } @@ -23,9 +26,9 @@ static void showtrailer(void) { if (!doc) fz_throw(ctx, FZ_ERROR_GENERIC, "no file specified"); - printf("trailer\n"); - pdf_fprint_obj(stdout, pdf_trailer(doc), 0); - printf("\n"); + fprintf(out, "trailer\n"); + pdf_fprint_obj(out, pdf_trailer(doc), 0); + fprintf(out, "\n"); } static void showencrypt(void) @@ -37,9 +40,9 @@ static void showencrypt(void) encrypt = pdf_dict_gets(pdf_trailer(doc), "Encrypt"); if (!encrypt) fz_throw(ctx, FZ_ERROR_GENERIC, "document not encrypted"); - printf("encryption dictionary\n"); - pdf_fprint_obj(stdout, pdf_resolve_indirect(encrypt), 0); - printf("\n"); + fprintf(out, "encryption dictionary\n"); + pdf_fprint_obj(out, pdf_resolve_indirect(encrypt), 0); + fprintf(out, "\n"); } static void showxref(void) @@ -47,7 +50,7 @@ static void showxref(void) if (!doc) fz_throw(ctx, FZ_ERROR_GENERIC, "no file specified"); pdf_print_xref(doc); - printf("\n"); + fprintf(out, "\n"); } static void showpagetree(void) @@ -63,9 +66,9 @@ static void showpagetree(void) for (i = 0; i < count; i++) { ref = pdf_lookup_page_obj(doc, i); - printf("page %d = %d %d R\n", i + 1, pdf_to_num(ref), pdf_to_gen(ref)); + fprintf(out, "page %d = %d %d R\n", i + 1, pdf_to_num(ref), pdf_to_gen(ref)); } - printf("\n"); + fprintf(out, "\n"); } static void showsafe(unsigned char *buf, int n) @@ -110,7 +113,7 @@ static void showstream(int num, int gen) if (n == 0) break; if (showbinary) - fwrite(buf, 1, n, stdout); + fwrite(buf, 1, n, out); else showsafe(buf, n); } @@ -135,19 +138,19 @@ static void showobject(int num, int gen) } else { - printf("%d %d obj\n", num, gen); - pdf_fprint_obj(stdout, obj, 0); - printf("stream\n"); + fprintf(out, "%d %d obj\n", num, gen); + pdf_fprint_obj(out, obj, 0); + fprintf(out, "stream\n"); showstream(num, gen); - printf("endstream\n"); - printf("endobj\n\n"); + fprintf(out, "endstream\n"); + fprintf(out, "endobj\n\n"); } } else { - printf("%d %d obj\n", num, gen); - pdf_fprint_obj(stdout, obj, 0); - printf("endobj\n\n"); + fprintf(out, "%d %d obj\n", num, gen); + pdf_fprint_obj(out, obj, 0); + fprintf(out, "endobj\n\n"); } pdf_drop_obj(obj); @@ -176,30 +179,32 @@ static void showgrep(char *filename) pdf_sort_dict(obj); - printf("%s:%d: ", filename, i); - pdf_fprint_obj(stdout, obj, 1); + fprintf(out, "%s:%d: ", filename, i); + pdf_fprint_obj(out, obj, 1); pdf_drop_obj(obj); } } - printf("%s:trailer: ", filename); - pdf_fprint_obj(stdout, pdf_trailer(doc), 1); + fprintf(out, "%s:trailer: ", filename); + pdf_fprint_obj(out, pdf_trailer(doc), 1); } int pdfshow_main(int argc, char **argv) { char *password = NULL; /* don't throw errors if encrypted */ - char *filename; + char *filename = NULL; + char *output = NULL; int c; - while ((c = fz_getopt(argc, argv, "p:be")) != -1) + while ((c = fz_getopt(argc, argv, "p:o:be")) != -1) { switch (c) { case 'p': password = fz_optarg; break; case 'b': showbinary = 1; break; case 'e': showdecode = 0; break; + case 'o': output = fz_optarg; break; default: usage(); break; } } @@ -209,6 +214,17 @@ int pdfshow_main(int argc, char **argv) filename = argv[fz_optind++]; + out = stdout; + if (output) + { + out = fopen(output, "wb"); + if (!out) + { + fprintf(stderr, "cannot open output file: '%s'\n", output); + exit(1); + } + } + ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED); if (!ctx) { @@ -245,6 +261,9 @@ int pdfshow_main(int argc, char **argv) { } + if (out != stdout) + fclose(out); + pdf_close_document(doc); fz_free_context(ctx); return 0; |