Update to bc8dcc3ede286fbcaac3f741c379297cffff0eea
Same version as used by Chromium 57.0.2987.108
Fixes: 28051413, 34337228
Test: cts-tradefed run cts-dev -m CtsGraphicsTestCases -t android.graphics.pdf.cts
cts-tradefed run cts-dev -m Print -t android.print.pdf.cts
Change-Id: I1bf02cae444c9f08711953c4475af10db2becd58
diff --git a/fpdfsdk/fpdf_dataavail.cpp b/fpdfsdk/fpdf_dataavail.cpp
new file mode 100644
index 0000000..b1bc1e3
--- /dev/null
+++ b/fpdfsdk/fpdf_dataavail.cpp
@@ -0,0 +1,194 @@
+// Copyright 2014 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.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "public/fpdf_dataavail.h"
+
+#include <memory>
+#include <utility>
+
+#include "core/fpdfapi/parser/cpdf_data_avail.h"
+#include "core/fpdfapi/parser/cpdf_document.h"
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "fpdfsdk/fsdk_define.h"
+#include "public/fpdf_formfill.h"
+#include "third_party/base/ptr_util.h"
+
+// These checks are here because core/ and public/ cannot depend on each other.
+static_assert(CPDF_DataAvail::DataError == PDF_DATA_ERROR,
+ "CPDF_DataAvail::DataError value mismatch");
+static_assert(CPDF_DataAvail::DataNotAvailable == PDF_DATA_NOTAVAIL,
+ "CPDF_DataAvail::DataNotAvailable value mismatch");
+static_assert(CPDF_DataAvail::DataAvailable == PDF_DATA_AVAIL,
+ "CPDF_DataAvail::DataAvailable value mismatch");
+
+static_assert(CPDF_DataAvail::LinearizationUnknown == PDF_LINEARIZATION_UNKNOWN,
+ "CPDF_DataAvail::LinearizationUnknown value mismatch");
+static_assert(CPDF_DataAvail::NotLinearized == PDF_NOT_LINEARIZED,
+ "CPDF_DataAvail::NotLinearized value mismatch");
+static_assert(CPDF_DataAvail::Linearized == PDF_LINEARIZED,
+ "CPDF_DataAvail::Linearized value mismatch");
+
+static_assert(CPDF_DataAvail::FormError == PDF_FORM_ERROR,
+ "CPDF_DataAvail::FormError value mismatch");
+static_assert(CPDF_DataAvail::FormNotAvailable == PDF_FORM_NOTAVAIL,
+ "CPDF_DataAvail::FormNotAvailable value mismatch");
+static_assert(CPDF_DataAvail::FormAvailable == PDF_FORM_AVAIL,
+ "CPDF_DataAvail::FormAvailable value mismatch");
+static_assert(CPDF_DataAvail::FormNotExist == PDF_FORM_NOTEXIST,
+ "CPDF_DataAvail::FormNotExist value mismatch");
+
+namespace {
+
+class CFPDF_FileAvailWrap : public CPDF_DataAvail::FileAvail {
+ public:
+ CFPDF_FileAvailWrap() : m_pfileAvail(nullptr) {}
+ ~CFPDF_FileAvailWrap() override {}
+
+ void Set(FX_FILEAVAIL* pfileAvail) { m_pfileAvail = pfileAvail; }
+
+ // CPDF_DataAvail::FileAvail:
+ bool IsDataAvail(FX_FILESIZE offset, uint32_t size) override {
+ return !!m_pfileAvail->IsDataAvail(m_pfileAvail, offset, size);
+ }
+
+ private:
+ FX_FILEAVAIL* m_pfileAvail;
+};
+
+class CFPDF_FileAccessWrap : public IFX_SeekableReadStream {
+ public:
+ static CFX_RetainPtr<CFPDF_FileAccessWrap> Create() {
+ return CFX_RetainPtr<CFPDF_FileAccessWrap>(new CFPDF_FileAccessWrap());
+ }
+ ~CFPDF_FileAccessWrap() override {}
+
+ void Set(FPDF_FILEACCESS* pFile) { m_pFileAccess = pFile; }
+
+ // IFX_SeekableReadStream
+ FX_FILESIZE GetSize() override { return m_pFileAccess->m_FileLen; }
+
+ bool ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override {
+ return !!m_pFileAccess->m_GetBlock(m_pFileAccess->m_Param, offset,
+ (uint8_t*)buffer, size);
+ }
+
+ private:
+ CFPDF_FileAccessWrap() : m_pFileAccess(nullptr) {}
+
+ FPDF_FILEACCESS* m_pFileAccess;
+};
+
+class CFPDF_DownloadHintsWrap : public CPDF_DataAvail::DownloadHints {
+ public:
+ explicit CFPDF_DownloadHintsWrap(FX_DOWNLOADHINTS* pDownloadHints) {
+ m_pDownloadHints = pDownloadHints;
+ }
+ ~CFPDF_DownloadHintsWrap() override {}
+
+ public:
+ // IFX_DownloadHints
+ void AddSegment(FX_FILESIZE offset, uint32_t size) override {
+ m_pDownloadHints->AddSegment(m_pDownloadHints, offset, size);
+ }
+
+ private:
+ FX_DOWNLOADHINTS* m_pDownloadHints;
+};
+
+class CFPDF_DataAvail {
+ public:
+ CFPDF_DataAvail()
+ : m_FileAvail(new CFPDF_FileAvailWrap),
+ m_FileRead(CFPDF_FileAccessWrap::Create()) {}
+ ~CFPDF_DataAvail() {}
+
+ std::unique_ptr<CPDF_DataAvail> m_pDataAvail;
+ std::unique_ptr<CFPDF_FileAvailWrap> m_FileAvail;
+ CFX_RetainPtr<CFPDF_FileAccessWrap> m_FileRead;
+};
+
+CFPDF_DataAvail* CFPDFDataAvailFromFPDFAvail(FPDF_AVAIL avail) {
+ return static_cast<CFPDF_DataAvail*>(avail);
+}
+
+} // namespace
+
+DLLEXPORT FPDF_AVAIL STDCALL FPDFAvail_Create(FX_FILEAVAIL* file_avail,
+ FPDF_FILEACCESS* file) {
+ CFPDF_DataAvail* pAvail = new CFPDF_DataAvail;
+ pAvail->m_FileAvail->Set(file_avail);
+ pAvail->m_FileRead->Set(file);
+ pAvail->m_pDataAvail = pdfium::MakeUnique<CPDF_DataAvail>(
+ pAvail->m_FileAvail.get(), pAvail->m_FileRead, true);
+ return pAvail;
+}
+
+DLLEXPORT void STDCALL FPDFAvail_Destroy(FPDF_AVAIL avail) {
+ delete (CFPDF_DataAvail*)avail;
+}
+
+DLLEXPORT int STDCALL FPDFAvail_IsDocAvail(FPDF_AVAIL avail,
+ FX_DOWNLOADHINTS* hints) {
+ if (!avail || !hints)
+ return PDF_DATA_ERROR;
+ CFPDF_DownloadHintsWrap hints_wrap(hints);
+ return CFPDFDataAvailFromFPDFAvail(avail)->m_pDataAvail->IsDocAvail(
+ &hints_wrap);
+}
+
+DLLEXPORT FPDF_DOCUMENT STDCALL
+FPDFAvail_GetDocument(FPDF_AVAIL avail, FPDF_BYTESTRING password) {
+ CFPDF_DataAvail* pDataAvail = static_cast<CFPDF_DataAvail*>(avail);
+ if (!pDataAvail)
+ return nullptr;
+
+ std::unique_ptr<CPDF_Parser> pParser(new CPDF_Parser);
+ pParser->SetPassword(password);
+
+ std::unique_ptr<CPDF_Document> pDocument(
+ new CPDF_Document(std::move(pParser)));
+ CPDF_Parser::Error error = pDocument->GetParser()->StartLinearizedParse(
+ pDataAvail->m_pDataAvail->GetFileRead(), pDocument.get());
+ if (error != CPDF_Parser::SUCCESS) {
+ ProcessParseError(error);
+ return nullptr;
+ }
+ pDataAvail->m_pDataAvail->SetDocument(pDocument.get());
+ CheckUnSupportError(pDocument.get(), FPDF_ERR_SUCCESS);
+ return FPDFDocumentFromCPDFDocument(pDocument.release());
+}
+
+DLLEXPORT int STDCALL FPDFAvail_GetFirstPageNum(FPDF_DOCUMENT doc) {
+ CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(doc);
+ return pDoc ? pDoc->GetParser()->GetFirstPageNo() : 0;
+}
+
+DLLEXPORT int STDCALL FPDFAvail_IsPageAvail(FPDF_AVAIL avail,
+ int page_index,
+ FX_DOWNLOADHINTS* hints) {
+ if (!avail || !hints)
+ return PDF_DATA_ERROR;
+ if (page_index < 0)
+ return PDF_DATA_NOTAVAIL;
+ CFPDF_DownloadHintsWrap hints_wrap(hints);
+ return CFPDFDataAvailFromFPDFAvail(avail)->m_pDataAvail->IsPageAvail(
+ page_index, &hints_wrap);
+}
+
+DLLEXPORT int STDCALL FPDFAvail_IsFormAvail(FPDF_AVAIL avail,
+ FX_DOWNLOADHINTS* hints) {
+ if (!avail || !hints)
+ return PDF_FORM_ERROR;
+ CFPDF_DownloadHintsWrap hints_wrap(hints);
+ return CFPDFDataAvailFromFPDFAvail(avail)->m_pDataAvail->IsFormAvail(
+ &hints_wrap);
+}
+
+DLLEXPORT int STDCALL FPDFAvail_IsLinearized(FPDF_AVAIL avail) {
+ if (!avail)
+ return PDF_LINEARIZATION_UNKNOWN;
+ return CFPDFDataAvailFromFPDFAvail(avail)->m_pDataAvail->IsLinearizedPDF();
+}