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// Copyright 2017 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "public/fpdf_attachment.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fpdfdoc/cpdf_filespec.h"
#include "core/fpdfdoc/cpdf_nametree.h"
#include "fpdfsdk/fsdk_define.h"
DLLEXPORT int STDCALL FPDFDoc_GetAttachmentCount(FPDF_DOCUMENT document) {
CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
if (!pDoc)
return 0;
return CPDF_NameTree(pDoc, "EmbeddedFiles").GetCount();
}
DLLEXPORT unsigned long STDCALL
FPDFDoc_GetAttachmentName(FPDF_DOCUMENT document,
int index,
void* buffer,
unsigned long buflen) {
CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
if (!pDoc || index < 0)
return 0;
CPDF_NameTree nameTree(pDoc, "EmbeddedFiles");
if (static_cast<size_t>(index) >= nameTree.GetCount())
return 0;
CFX_ByteString csName;
CPDF_Object* pFile = nameTree.LookupValueAndName(index, &csName);
if (!pFile)
return 0;
CFX_WideString name;
CPDF_FileSpec filespec(pFile);
filespec.GetFileName(&name);
CFX_ByteString encodedName = name.UTF16LE_Encode();
unsigned long len = encodedName.GetLength();
if (buffer && buflen >= len)
memcpy(buffer, encodedName.c_str(), len);
return len;
}
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