diff options
Diffstat (limited to 'core/fpdfapi/fpdf_parser/cfdf_document.cpp')
-rw-r--r-- | core/fpdfapi/fpdf_parser/cfdf_document.cpp | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/core/fpdfapi/fpdf_parser/cfdf_document.cpp b/core/fpdfapi/fpdf_parser/cfdf_document.cpp deleted file mode 100644 index 12d1e7f993..0000000000 --- a/core/fpdfapi/fpdf_parser/cfdf_document.cpp +++ /dev/null @@ -1,102 +0,0 @@ -// 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 "core/fpdfapi/fpdf_parser/cfdf_document.h" - -#include "core/fpdfapi/edit/cpdf_creator.h" -#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h" -#include "core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h" -#include "third_party/base/ptr_util.h" - -CFDF_Document::CFDF_Document() - : CPDF_IndirectObjectHolder(), - m_pRootDict(nullptr), - m_pFile(nullptr), - m_bOwnFile(FALSE), - m_pByteStringPool(pdfium::MakeUnique<CFX_ByteStringPool>()) {} - -CFDF_Document::~CFDF_Document() { - if (m_bOwnFile && m_pFile) - m_pFile->Release(); - m_pByteStringPool.DeleteObject(); // Make weak. -} - -CFDF_Document* CFDF_Document::CreateNewDoc() { - CFDF_Document* pDoc = new CFDF_Document; - pDoc->m_pRootDict = new CPDF_Dictionary(pDoc->GetByteStringPool()); - pDoc->AddIndirectObject(pDoc->m_pRootDict); - pDoc->m_pRootDict->SetFor("FDF", - new CPDF_Dictionary(pDoc->GetByteStringPool())); - return pDoc; -} - -CFDF_Document* CFDF_Document::ParseFile(IFX_FileRead* pFile, FX_BOOL bOwnFile) { - if (!pFile) - return nullptr; - - std::unique_ptr<CFDF_Document> pDoc(new CFDF_Document); - pDoc->ParseStream(pFile, bOwnFile); - return pDoc->m_pRootDict ? pDoc.release() : nullptr; -} - -CFDF_Document* CFDF_Document::ParseMemory(const uint8_t* pData, uint32_t size) { - return CFDF_Document::ParseFile(FX_CreateMemoryStream((uint8_t*)pData, size), - TRUE); -} - -void CFDF_Document::ParseStream(IFX_FileRead* pFile, FX_BOOL bOwnFile) { - m_pFile = pFile; - m_bOwnFile = bOwnFile; - CPDF_SyntaxParser parser; - parser.InitParser(m_pFile, 0); - while (1) { - bool bNumber; - CFX_ByteString word = parser.GetNextWord(&bNumber); - if (bNumber) { - uint32_t objnum = FXSYS_atoui(word.c_str()); - word = parser.GetNextWord(&bNumber); - if (!bNumber) - break; - - word = parser.GetNextWord(nullptr); - if (word != "obj") - break; - - CPDF_Object* pObj = parser.GetObject(this, objnum, 0, true); - if (!pObj) - break; - - ReplaceIndirectObjectIfHigherGeneration(objnum, pObj); - word = parser.GetNextWord(nullptr); - if (word != "endobj") - break; - } else { - if (word != "trailer") - break; - - if (CPDF_Dictionary* pMainDict = - ToDictionary(parser.GetObject(this, 0, 0, true))) { - m_pRootDict = pMainDict->GetDictFor("Root"); - pMainDict->Release(); - } - break; - } - } -} - -FX_BOOL CFDF_Document::WriteBuf(CFX_ByteTextBuf& buf) const { - if (!m_pRootDict) - return FALSE; - - buf << "%FDF-1.2\r\n"; - for (const auto& pair : *this) - buf << pair.first << " 0 obj\r\n" - << pair.second.get() << "\r\nendobj\r\n\r\n"; - - buf << "trailer\r\n<</Root " << m_pRootDict->GetObjNum() - << " 0 R>>\r\n%%EOF\r\n"; - return TRUE; -} |