From 8593b9fdf74e68099a5fe2aa0b6d0b6320781a2d Mon Sep 17 00:00:00 2001
From: m-holger <m-holger@kubitscheck.org>
Date: Fri, 21 Jan 2022 14:09:06 +0000
Subject: Add new convenience methods QPDFObjectHandle::isNameAndEquals, etc

Add methods isNameAndEquals, isDictionaryOfType, isStreamOfType
---
 libqpdf/QPDFObjectHandle.cc | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'libqpdf/QPDFObjectHandle.cc')

diff --git a/libqpdf/QPDFObjectHandle.cc b/libqpdf/QPDFObjectHandle.cc
index 1a8e3223..f2c77dca 100644
--- a/libqpdf/QPDFObjectHandle.cc
+++ b/libqpdf/QPDFObjectHandle.cc
@@ -497,6 +497,34 @@ QPDFObjectHandle::isScalar()
                isOperator() || isInlineImage()));
 }
 
+bool
+QPDFObjectHandle::isNameAndEquals(std::string const& name)
+{
+    return isName() && (getName() == name);
+}
+
+bool
+QPDFObjectHandle::isDictionaryOfType(std::string const& type,
+                                     std::string const& subtype)
+{
+    if (isDictionary() && getKey("/Type").isNameAndEquals(type))
+    {
+        return (subtype == "") ||
+            (hasKey("/Subtype") && getKey("/Subtype").isNameAndEquals(subtype));
+    }
+    else
+    {
+        return false;
+    }
+}
+
+bool
+QPDFObjectHandle::isStreamOfType(std::string const& type,
+                                 std::string const& subtype)
+{
+    return isStream() && getDict().isDictionaryOfType(type, subtype);
+}
+
 // Bool accessors
 
 bool
-- 
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