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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#pragma once
#include <DocFormats/DFXMLForward.h>
typedef DFNode *(*DFLookupConcreteFunction)(void *ctx, DFNode *abstract);
// //
// DFLens //
// //
typedef struct {
/** Indicates whether the particular concrete element is of a type that is known to the program.
For example, you would return true for paragraphs, but false for embedded spreadsheets. */
int (*isVisible)(void *ctx, DFNode *concrete);
/** Converts the node from a Word/ODF document into a HTML element */
DFNode *(*get)(void *ctx, DFNode *concrete);
/** Updates an existing node that is already in the Word/ODF document, based on the
corresponding node in the HTML document */
void (*put)(void *ctx, DFNode *abstract, DFNode *concrete);
/** Called when we find a new node in the HTML document for which we have no corresponding
node in the Word/ODF document yet. This could be because we are updating an existing Word/ODF
document and new content has been added, or because we are creating a new Word/ODF document
and thus don't have *any* nodes corresponding to parts of the HTML document. */
DFNode *(*create)(void *ctx, DFNode *abstract);
/** Removes a node from the concrete document, because it has been determined that the
corresponding node in the HTML document was removed */
void (*remove)(void *ctx, DFNode *concrete);
} DFLens;
DFNode *BDTContainerGet(void *ctx, DFLens *theLens, DFNode *abstract, DFNode *concrete);
void BDTContainerPut(void *ctx, DFLens *theLens, DFNode *abstract, DFNode *concrete,
DFLookupConcreteFunction lookupConcrete);