commit - 91473d5f1fa4f5e83430127f82ec336551db3f28
commit + 81dc4dbad250ff8e9433eea76c1cc15649a2f927
blob - 3b282184f21c92d3d3c6b73983f07c53cb54b3bf
blob + 1761f1414ca65700c8f8cea42ddf9ed29f4e7fe2
--- pdf.c
+++ pdf.c
/*
- * ********************************************************************
- * Start xref parsing
- * ********************************************************************
- */
-/*
* decode the bytes in 'b' according to metadata in the stream dictionary 'd'
* and parse the result with 'p'.
*/
return h_sequence__m(mm__, dict_p, value_p, NULL);
}
+
+/*
+ * main program
+ */
+#include <stdio.h>
+#include <string.h> /* strtok() */
+#include <inttypes.h>
+#include <fcntl.h> /* open() */
+#include <unistd.h> /* lseek(), getopt() */
+#include <sys/mman.h> /* mmap() */
+#include <errno.h>
+/* used with getopt() */
+extern char *optarg;
+extern int optind;
+
+/* command line arguments */
+const char *progname;
+const char *infile;
+const char *xfile, *Xfile;
+int qflag, vflag, dflag;
+int onum = -1, ogen = -1; /* -1 means unspecified */
+
+/* helper: parse 's' as a natural number. returns -1 on error. */
+int
+strtonat(const char *s)
+{
+ char *p;
+ long l;
+
+ errno = 0;
+ l = strtol(s, &p, 10);
+ if (errno != 0)
+ return -1;
+ if (p == s || *p != '\0') /* no parse */
+ return -1;
+ if (l < 0 || l > INT_MAX) /* out of range */
+ return -1;
+ return l;
+}
+
+void
+usage(void)
+{
+ fprintf(stderr, "usage: %s [-qsv] [-d what] [-x out.txt] file [oid]\n",
+ progname);
+ exit(2);
+}
+
+void
+dumpstream(FILE *f, const HParsedToken *obj)
+{
+ HParseResult *res;
+ HBytes data;
+
+ // XXX properly verify that obj is a stream (needs custom token type)
+ if (obj->token_type != TT_SEQUENCE || obj->seq->used != 2 ||
+ obj->seq->elements[1]->token_type != TT_HParseResult)
+ errx(2, "%s: requested object is not a stream", infile);
+
+ res = H_INDEX(HParseResult, obj, 1);
+ assert(res != NULL);
+ assert(res->ast != NULL);
+ data = H_CAST_BYTES(res->ast);
+
+ fwrite(data.token, 1, data.len, f);
+}
+
/*
* This helper implements the standard backwards parsing strategy to read all
* cross-reference sections and trailer dictionaries, starting from the
* number of elements.
*/
// XXX review changes to this function. see git -L /^parse_xrefs/,/^}/:pdf.c'
-const char *infile = NULL;
-
void
parse_xrefs(struct Env *aux)
{
end:
aux->xrefs = xrefs;
aux->nxrefs = n;
-}
-
-/*
- * ********************************************************************
- * End xref parsing
- * ********************************************************************
- */
-
-
-
-
-/*
- * main program
- */
-
-#include <stdio.h>
-#include <string.h> /* strtok() */
-#include <inttypes.h>
-#include <fcntl.h> /* open() */
-#include <unistd.h> /* lseek(), getopt() */
-#include <sys/mman.h> /* mmap() */
-#include <errno.h>
-
-/* used with getopt() */
-extern char *optarg;
-extern int optind;
-
-/* command line arguments */
-const char *progname;
-const char *xfile, *Xfile;
-int qflag, vflag, dflag;
-int onum = -1, ogen = -1; /* -1 means unspecified */
-
-/* helper: parse 's' as a natural number. returns -1 on error. */
-int
-strtonat(const char *s)
-{
- char *p;
- long l;
-
- errno = 0;
- l = strtol(s, &p, 10);
- if (errno != 0)
- return -1;
- if (p == s || *p != '\0') /* no parse */
- return -1;
- if (l < 0 || l > INT_MAX) /* out of range */
- return -1;
- return l;
}
-void
-usage(void)
-{
- fprintf(stderr, "usage: %s [-qsv] [-d what] [-x out.txt] file [oid]\n",
- progname);
- exit(2);
-}
-
-void
-dumpstream(FILE *f, const HParsedToken *obj)
-{
- HParseResult *res;
- HBytes data;
-
- // XXX properly verify that obj is a stream (needs custom token type)
- if (obj->token_type != TT_SEQUENCE || obj->seq->used != 2 ||
- obj->seq->elements[1]->token_type != TT_HParseResult)
- errx(2, "%s: requested object is not a stream", infile);
-
- res = H_INDEX(HParseResult, obj, 1);
- assert(res != NULL);
- assert(res->ast != NULL);
- data = H_CAST_BYTES(res->ast);
-
- fwrite(data.token, 1, data.len, f);
-}
-
int
main(int argc, char *argv[])
{
