rename apps directory and reorganize macpdf.app

1 files changed, 188 insertions, 0 deletions

diff --git a/apps/pdfdebug.c b/apps/pdfdebug.c
new file mode 100644
index 00000000..2a18ade7
--- /dev/null
+++ b/apps/pdfdebug.c
@@ -0,0 +1,188 @@
+#include <fitz.h>
+#include <mupdf.h>
+
+static char *password = "";
+static int dodecode = 0;
+static int doprintxref = 0;
+
+void usage()
+{
+	fprintf(stderr, "usage: pdfdebug [-dxs] [-u password] file.pdf [oid ...]\n");
+	exit(1);
+}
+
+/*
+ * Debug-print stream contents
+ */
+
+static int safecol = 0;
+
+void printsafe(unsigned char *buf, int n)
+{
+	int i;
+	for (i = 0; i < n; i++) {
+		if (buf[i] == '\r' || buf[i] == '\n') {
+			printf("\n");
+			safecol = 0;
+		}
+		else if (buf[i] < 32 || buf[i] > 126) {
+			printf(".");
+			safecol ++;
+		}
+		else {
+			printf("%c", buf[i]);
+			safecol ++;
+		}
+		if (safecol == 79) {
+			printf("\n");
+			safecol = 0;
+		}
+	}
+}
+
+void decodestream(pdf_xref *xref, int oid, int gid)
+{
+	fz_error *error;
+	unsigned char buf[512];
+
+	safecol = 0;
+
+	error = pdf_openstream(xref, oid, gid);
+	if (error) fz_abort(error);
+
+	while (1)
+	{
+		int n = fz_read(xref->stream, buf, sizeof buf);
+		if (n == 0)
+			break;
+		if (n < 0)
+			fz_abort(fz_ferror(xref->stream));
+		printsafe(buf, n);
+	}
+
+	pdf_closestream(xref);
+}
+
+void copystream(pdf_xref *xref, int oid, int gid)
+{
+	fz_error *error;
+	unsigned char buf[512];
+
+	safecol = 0;
+
+	error = pdf_openrawstream(xref, oid, gid);
+	if (error) fz_abort(error);
+
+	while (1)
+	{
+		int n = fz_read(xref->stream, buf, sizeof buf);
+		if (n == 0)
+			break;
+		if (n < 0)
+			fz_abort(fz_ferror(xref->stream));
+		printsafe(buf, n);
+	}
+
+	pdf_closestream(xref);
+}
+
+void printobject(pdf_xref *xref, int oid, int gid)
+{
+	fz_error *error;
+	fz_obj *obj;
+
+	error = pdf_loadobject(&obj, xref, oid, gid);
+	if (error) fz_abort(error);
+
+	printf("%d %d obj\n", oid, gid);
+	fz_debugobj(obj);
+	printf("\n");
+
+	if (xref->table[oid].stmofs) {
+		printf("stream\n");
+		if (dodecode)
+			decodestream(xref, oid, gid);
+		else
+			copystream(xref, oid, gid);
+		printf("endstream\n");
+	}
+
+	printf("endobj\n");
+
+	fz_dropobj(obj);
+}
+
+int main(int argc, char **argv)
+{
+	fz_error *error;
+	char *filename;
+	pdf_xref *xref;
+	int c;
+
+	while ((c = getopt(argc, argv, "drxopu:")) != -1)
+	{
+		switch (c)
+		{
+		case 'd':
+			dodecode ++;
+			break;
+		case 'x':
+			doprintxref ++;
+			break;
+		case 'u':
+			password = optarg;
+			break;
+		default:
+			usage();
+		}
+	}
+
+	if (argc - optind == 0)
+		usage();
+
+	filename = argv[optind++];
+
+	error = pdf_newxref(&xref);
+	if (error)
+		fz_abort(error);
+
+	error = pdf_loadxref(xref, filename);
+	if (error)
+	{
+		fz_warn("trying to repair");
+		error = pdf_repairxref(xref, filename);
+		if (error)
+			fz_abort(error);
+	}
+
+	error = pdf_decryptxref(xref);
+	if (error)
+		fz_abort(error);
+
+	if (xref->crypt)
+	{
+		error = pdf_setpassword(xref->crypt, password);
+		if (error) fz_abort(error);
+	}
+
+	if (optind == argc)
+	{
+		printf("trailer\n");
+		fz_debugobj(xref->trailer);
+		printf("\n");
+	}
+
+	for ( ; optind < argc; optind++)
+	{
+		printobject(xref, atoi(argv[optind]), 0);
+		printf("\n");
+	}
+
+	if (doprintxref)
+		pdf_debugxref(xref);
+
+	pdf_closexref(xref);
+
+	return 0;
+}
+