C-API expose QPDFObjectHandle::getKeyIfDict

m-holger · Jay Berkenbilt
1 parent 83710603
Showing 4 changed files with 23 additions and 0 deletions
include/qpdf/qpdf-c.h
libqpdf/qpdf-c.cc
qpdf/qpdf-ctest.c
qpdf/qpdf.testcov
@@ -812,6 +812,8 @@ extern &quot;C&quot; {
     QPDF_BOOL qpdf_oh_has_key(qpdf_data qpdf, qpdf_oh oh, char const* key);
     QPDF_DLL
     qpdf_oh qpdf_oh_get_key(qpdf_data qpdf, qpdf_oh oh, char const* key);
+    QPDF_DLL
+    qpdf_oh qpdf_oh_get_key_if_dict(qpdf_data qpdf, qpdf_oh oh, char const* key);
     QPDF_DLL
     QPDF_BOOL qpdf_oh_is_or_has_name(
@@ -1550,6 +1550,15 @@ qpdf_oh qpdf_oh_get_key(qpdf_data qpdf, qpdf_oh oh, char const* key)
         });
 }
+qpdf_oh qpdf_oh_get_key_if_dict(qpdf_data qpdf, qpdf_oh oh, char const* key)
+{
+    return do_with_oh<qpdf_oh>(
+        qpdf, oh, return_null(qpdf), [qpdf, key](QPDFObjectHandle& o) {
+            QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_key_if_dict");
+            return new_object(qpdf, o.getKeyIfDict(key));
+        });
+}
+
 QPDF_BOOL qpdf_oh_is_or_has_name(qpdf_data qpdf, qpdf_oh oh, char const* key)
 {
     return do_with_oh<QPDF_BOOL>(
@@ -592,6 +592,17 @@ static void test24(char const* infile,
         "/Encoding");
     assert(strcmp(qpdf_oh_get_name(qpdf, encoding), "/WinAnsiEncoding") == 0);
+    qpdf_oh res = qpdf_oh_get_key_if_dict(qpdf, page1, "/Resources");
+    assert(qpdf_oh_has_key(qpdf, res, "/Font"));
+    /* check no warning when called with null */
+    while (qpdf_more_warnings(qpdf))
+    {
+        qpdf_next_warning(qpdf);
+    }
+    res = qpdf_oh_get_key_if_dict(
+        qpdf, qpdf_oh_get_key_if_dict(qpdf, page1, "/Missing"), "/Font");
+    assert(! qpdf_more_warnings(qpdf));
+
     /* Look at page contents to exercise stream functions */
     qpdf_oh contents = qpdf_oh_get_key(qpdf, page1, "/Contents");
     assert(qpdf_oh_is_stream(qpdf, contents));
@@ -504,6 +504,7 @@ qpdf-c called qpdf_oh_dict_more_keys 0
 qpdf-c called qpdf_oh_dict_next_key 0
 qpdf-c called qpdf_oh_has_key 0
 qpdf-c called qpdf_oh_get_key 0
+qpdf-c called qpdf_oh_get_key_if_dict 0
 qpdf-c called qpdf_oh_is_or_has_name 0
 qpdf-c called qpdf_oh_new_null 0
 qpdf-c called qpdf_oh_new_bool 0