Add pdf_is_number.

Useful utility missing from our arsenal.

2 files changed, 7 insertions, 0 deletions

diff --git a/include/mupdf/pdf/object.h b/include/mupdf/pdf/object.h
index 77c02382..0f0a48d2 100644
--- a/include/mupdf/pdf/object.h
+++ b/include/mupdf/pdf/object.h
@@ -35,6 +35,7 @@ int pdf_is_null(pdf_obj *obj);
 int pdf_is_bool(pdf_obj *obj);
 int pdf_is_int(pdf_obj *obj);
 int pdf_is_real(pdf_obj *obj);
+int pdf_is_number(pdf_obj *obj);
 int pdf_is_name(pdf_obj *obj);
 int pdf_is_string(pdf_obj *obj);
 int pdf_is_array(pdf_obj *obj);
diff --git a/source/pdf/pdf-object.c b/source/pdf/pdf-object.c
index b8147970..f8ece944 100644
--- a/source/pdf/pdf-object.c
+++ b/source/pdf/pdf-object.c
@@ -218,6 +218,12 @@ int pdf_is_real(pdf_obj *obj)
 	return obj ? obj->kind == PDF_REAL : 0;
 }
 
+int pdf_is_number(pdf_obj *obj)
+{
+	RESOLVE(obj);
+	return obj ? (obj->kind == PDF_REAL || obj->kind == PDF_INT) : 0;
+}
+
 int pdf_is_string(pdf_obj *obj)
 {
 	RESOLVE(obj);