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-rw-r--r--include/qpdf/Pl_QPDFTokenizer.hh (renamed from libqpdf/qpdf/Pl_QPDFTokenizer.hh)26
1 files changed, 26 insertions, 0 deletions
diff --git a/libqpdf/qpdf/Pl_QPDFTokenizer.hh b/include/qpdf/Pl_QPDFTokenizer.hh
index 42358898..be34b32e 100644
--- a/libqpdf/qpdf/Pl_QPDFTokenizer.hh
+++ b/include/qpdf/Pl_QPDFTokenizer.hh
@@ -1,3 +1,24 @@
+// Copyright (c) 2005-2018 Jay Berkenbilt
+//
+// This file is part of qpdf.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Versions of qpdf prior to version 7 were released under the terms
+// of version 2.0 of the Artistic License. At your option, you may
+// continue to consider qpdf to be licensed under those terms. Please
+// see the manual for additional information.
+
#ifndef __PL_QPDFTOKENIZER_HH__
#define __PL_QPDFTOKENIZER_HH__
@@ -12,6 +33,11 @@
// incoming content will be included in exactly one token and passed
// downstream.
+// This is a very low-level interface for working with token filters.
+// Most code will want to use QPDFObjectHandle::filterPageContents or
+// QPDFObjectHandle::addTokenFilter. See QPDFObjectHandle.hh for
+// details.
+
class Pl_QPDFTokenizer: public Pipeline
{
public: