diff options
Diffstat (limited to 'core/src/fpdfdoc/doc_basic.cpp')
| -rw-r--r-- | core/src/fpdfdoc/doc_basic.cpp | 510 |
1 files changed, 0 insertions, 510 deletions
diff --git a/core/src/fpdfdoc/doc_basic.cpp b/core/src/fpdfdoc/doc_basic.cpp deleted file mode 100644 index 40c61d22bf..0000000000 --- a/core/src/fpdfdoc/doc_basic.cpp +++ /dev/null @@ -1,510 +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/include/fpdfapi/cpdf_array.h" -#include "core/include/fpdfapi/cpdf_document.h" -#include "core/include/fpdfdoc/fpdf_doc.h" -#include "core/src/fpdfdoc/doc_utils.h" - -const int nMaxRecursion = 32; -int CPDF_Dest::GetPageIndex(CPDF_Document* pDoc) { - CPDF_Array* pArray = ToArray(m_pObj); - if (!pArray) - return 0; - - CPDF_Object* pPage = pArray->GetElementValue(0); - if (!pPage) - return 0; - if (pPage->IsNumber()) - return pPage->GetInteger(); - if (!pPage->IsDictionary()) - return 0; - return pDoc->GetPageIndex(pPage->GetObjNum()); -} -FX_DWORD CPDF_Dest::GetPageObjNum() { - CPDF_Array* pArray = ToArray(m_pObj); - if (!pArray) - return 0; - - CPDF_Object* pPage = pArray->GetElementValue(0); - if (!pPage) - return 0; - if (pPage->IsNumber()) - return pPage->GetInteger(); - if (pPage->IsDictionary()) - return pPage->GetObjNum(); - return 0; -} -const FX_CHAR* g_sZoomModes[] = {"XYZ", "Fit", "FitH", "FitV", "FitR", - "FitB", "FitBH", "FitBV", ""}; -int CPDF_Dest::GetZoomMode() { - CPDF_Array* pArray = ToArray(m_pObj); - if (!pArray) - return 0; - - CFX_ByteString mode; - CPDF_Object* pObj = pArray->GetElementValue(1); - mode = pObj ? pObj->GetString() : CFX_ByteString(); - int i = 0; - while (g_sZoomModes[i][0] != '\0') { - if (mode == g_sZoomModes[i]) { - return i + 1; - } - i++; - } - return 0; -} -FX_FLOAT CPDF_Dest::GetParam(int index) { - CPDF_Array* pArray = ToArray(m_pObj); - return pArray ? pArray->GetNumberAt(2 + index) : 0; -} -CFX_ByteString CPDF_Dest::GetRemoteName() { - return m_pObj ? m_pObj->GetString() : CFX_ByteString(); -} -CPDF_NameTree::CPDF_NameTree(CPDF_Document* pDoc, - const CFX_ByteStringC& category) { - if (pDoc->GetRoot() && pDoc->GetRoot()->GetDictBy("Names")) - m_pRoot = pDoc->GetRoot()->GetDictBy("Names")->GetDictBy(category); - else - m_pRoot = NULL; -} -static CPDF_Object* SearchNameNode(CPDF_Dictionary* pNode, - const CFX_ByteString& csName, - int& nIndex, - CPDF_Array** ppFind, - int nLevel = 0) { - if (nLevel > nMaxRecursion) { - return NULL; - } - CPDF_Array* pLimits = pNode->GetArrayBy("Limits"); - if (pLimits) { - CFX_ByteString csLeft = pLimits->GetStringAt(0); - CFX_ByteString csRight = pLimits->GetStringAt(1); - if (csLeft.Compare(csRight) > 0) { - CFX_ByteString csTmp = csRight; - csRight = csLeft; - csLeft = csTmp; - } - if (csName.Compare(csLeft) < 0 || csName.Compare(csRight) > 0) { - return NULL; - } - } - CPDF_Array* pNames = pNode->GetArrayBy("Names"); - if (pNames) { - FX_DWORD dwCount = pNames->GetCount() / 2; - for (FX_DWORD i = 0; i < dwCount; i++) { - CFX_ByteString csValue = pNames->GetStringAt(i * 2); - int32_t iCompare = csValue.Compare(csName); - if (iCompare <= 0) { - if (ppFind) { - *ppFind = pNames; - } - if (iCompare < 0) { - continue; - } - } else { - break; - } - nIndex += i; - return pNames->GetElementValue(i * 2 + 1); - } - nIndex += dwCount; - return NULL; - } - CPDF_Array* pKids = pNode->GetArrayBy("Kids"); - if (!pKids) { - return NULL; - } - for (FX_DWORD i = 0; i < pKids->GetCount(); i++) { - CPDF_Dictionary* pKid = pKids->GetDictAt(i); - if (!pKid) { - continue; - } - CPDF_Object* pFound = - SearchNameNode(pKid, csName, nIndex, ppFind, nLevel + 1); - if (pFound) { - return pFound; - } - } - return NULL; -} -static CPDF_Object* SearchNameNode(CPDF_Dictionary* pNode, - int nIndex, - int& nCurIndex, - CFX_ByteString& csName, - CPDF_Array** ppFind, - int nLevel = 0) { - if (nLevel > nMaxRecursion) { - return NULL; - } - CPDF_Array* pNames = pNode->GetArrayBy("Names"); - if (pNames) { - int nCount = pNames->GetCount() / 2; - if (nIndex >= nCurIndex + nCount) { - nCurIndex += nCount; - return NULL; - } - if (ppFind) { - *ppFind = pNames; - } - csName = pNames->GetStringAt((nIndex - nCurIndex) * 2); - return pNames->GetElementValue((nIndex - nCurIndex) * 2 + 1); - } - CPDF_Array* pKids = pNode->GetArrayBy("Kids"); - if (!pKids) { - return NULL; - } - for (FX_DWORD i = 0; i < pKids->GetCount(); i++) { - CPDF_Dictionary* pKid = pKids->GetDictAt(i); - if (!pKid) { - continue; - } - CPDF_Object* pFound = - SearchNameNode(pKid, nIndex, nCurIndex, csName, ppFind, nLevel + 1); - if (pFound) { - return pFound; - } - } - return NULL; -} -static int CountNames(CPDF_Dictionary* pNode, int nLevel = 0) { - if (nLevel > nMaxRecursion) { - return 0; - } - CPDF_Array* pNames = pNode->GetArrayBy("Names"); - if (pNames) { - return pNames->GetCount() / 2; - } - CPDF_Array* pKids = pNode->GetArrayBy("Kids"); - if (!pKids) { - return 0; - } - int nCount = 0; - for (FX_DWORD i = 0; i < pKids->GetCount(); i++) { - CPDF_Dictionary* pKid = pKids->GetDictAt(i); - if (!pKid) { - continue; - } - nCount += CountNames(pKid, nLevel + 1); - } - return nCount; -} -int CPDF_NameTree::GetCount() const { - if (!m_pRoot) { - return 0; - } - return ::CountNames(m_pRoot); -} -int CPDF_NameTree::GetIndex(const CFX_ByteString& csName) const { - if (!m_pRoot) { - return -1; - } - int nIndex = 0; - if (!SearchNameNode(m_pRoot, csName, nIndex, NULL)) { - return -1; - } - return nIndex; -} -CPDF_Object* CPDF_NameTree::LookupValue(int nIndex, - CFX_ByteString& csName) const { - if (!m_pRoot) { - return NULL; - } - int nCurIndex = 0; - return SearchNameNode(m_pRoot, nIndex, nCurIndex, csName, NULL); -} -CPDF_Object* CPDF_NameTree::LookupValue(const CFX_ByteString& csName) const { - if (!m_pRoot) { - return NULL; - } - int nIndex = 0; - return SearchNameNode(m_pRoot, csName, nIndex, NULL); -} -CPDF_Array* CPDF_NameTree::LookupNamedDest(CPDF_Document* pDoc, - const CFX_ByteStringC& sName) { - CPDF_Object* pValue = LookupValue(sName); - if (!pValue) { - CPDF_Dictionary* pDests = pDoc->GetRoot()->GetDictBy("Dests"); - if (!pDests) - return nullptr; - pValue = pDests->GetElementValue(sName); - } - if (!pValue) - return nullptr; - if (CPDF_Array* pArray = pValue->AsArray()) - return pArray; - if (CPDF_Dictionary* pDict = pValue->AsDictionary()) - return pDict->GetArrayBy("D"); - return nullptr; -} - -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ || \ - _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ -static CFX_WideString ChangeSlashToPlatform(const FX_WCHAR* str) { - CFX_WideString result; - while (*str) { - if (*str == '/') { -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - result += ':'; -#else - result += '\\'; -#endif - } else { - result += *str; - } - str++; - } - return result; -} - -static CFX_WideString ChangeSlashToPDF(const FX_WCHAR* str) { - CFX_WideString result; - while (*str) { - if (*str == '\\' || *str == ':') { - result += '/'; - } else { - result += *str; - } - str++; - } - return result; -} -#endif // _FXM_PLATFORM_APPLE_ || _FXM_PLATFORM_WINDOWS_ - -CFX_WideString CPDF_FileSpec::DecodeFileName(const CFX_WideStringC& filepath) { - if (filepath.GetLength() <= 1) - return CFX_WideString(); - -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if (filepath.Left(sizeof("/Mac") - 1) == CFX_WideStringC(L"/Mac")) - return ChangeSlashToPlatform(filepath.GetPtr() + 1); - return ChangeSlashToPlatform(filepath.GetPtr()); -#elif _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - if (filepath.GetAt(0) != '/') - return ChangeSlashToPlatform(filepath.GetPtr()); - if (filepath.GetAt(1) == '/') - return ChangeSlashToPlatform(filepath.GetPtr() + 1); - if (filepath.GetAt(2) == '/') { - CFX_WideString result; - result += filepath.GetAt(1); - result += ':'; - result += ChangeSlashToPlatform(filepath.GetPtr() + 2); - return result; - } - CFX_WideString result; - result += '\\'; - result += ChangeSlashToPlatform(filepath.GetPtr()); - return result; -#else - return filepath; -#endif -} - -bool CPDF_FileSpec::GetFileName(CFX_WideString* csFileName) const { - if (CPDF_Dictionary* pDict = m_pObj->AsDictionary()) { - *csFileName = pDict->GetUnicodeTextBy("UF"); - if (csFileName->IsEmpty()) { - *csFileName = CFX_WideString::FromLocal(pDict->GetStringBy("F")); - } - if (pDict->GetStringBy("FS") == "URL") - return true; - if (csFileName->IsEmpty()) { - if (pDict->KeyExist("DOS")) { - *csFileName = CFX_WideString::FromLocal(pDict->GetStringBy("DOS")); - } else if (pDict->KeyExist("Mac")) { - *csFileName = CFX_WideString::FromLocal(pDict->GetStringBy("Mac")); - } else if (pDict->KeyExist("Unix")) { - *csFileName = CFX_WideString::FromLocal(pDict->GetStringBy("Unix")); - } else { - return false; - } - } - } else if (m_pObj->IsString()) { - *csFileName = CFX_WideString::FromLocal(m_pObj->GetString()); - } else { - return false; - } - *csFileName = DecodeFileName(*csFileName); - return true; -} - -CPDF_FileSpec::CPDF_FileSpec() { - m_pObj = new CPDF_Dictionary; - m_pObj->AsDictionary()->SetAtName("Type", "Filespec"); -} - -CFX_WideString CPDF_FileSpec::EncodeFileName(const CFX_WideStringC& filepath) { - if (filepath.GetLength() <= 1) { - return CFX_WideString(); - } -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - if (filepath.GetAt(1) == ':') { - CFX_WideString result; - result = '/'; - result += filepath.GetAt(0); - if (filepath.GetAt(2) != '\\') { - result += '/'; - } - result += ChangeSlashToPDF(filepath.GetPtr() + 2); - return result; - } - if (filepath.GetAt(0) == '\\' && filepath.GetAt(1) == '\\') { - return ChangeSlashToPDF(filepath.GetPtr() + 1); - } - if (filepath.GetAt(0) == '\\') { - CFX_WideString result; - result = '/'; - result += ChangeSlashToPDF(filepath.GetPtr()); - return result; - } - return ChangeSlashToPDF(filepath.GetPtr()); -#elif _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if (filepath.Left(sizeof("Mac") - 1) == FX_WSTRC(L"Mac")) { - CFX_WideString result; - result = '/'; - result += ChangeSlashToPDF(filepath.GetPtr()); - return result; - } - return ChangeSlashToPDF(filepath.GetPtr()); -#else - return filepath; -#endif -} - -void CPDF_FileSpec::SetFileName(const CFX_WideStringC& wsFileName) { - if (!m_pObj) - return; - - CFX_WideString wsStr = EncodeFileName(wsFileName); - if (m_pObj->IsString()) { - m_pObj->SetString(CFX_ByteString::FromUnicode(wsStr)); - } else if (CPDF_Dictionary* pDict = m_pObj->AsDictionary()) { - pDict->SetAtString("F", CFX_ByteString::FromUnicode(wsStr)); - pDict->SetAtString("UF", PDF_EncodeText(wsStr)); - } -} - -static CFX_WideString _MakeRoman(int num) { - const int arabic[] = {1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1}; - const CFX_WideString roman[] = {L"m", L"cm", L"d", L"cd", L"c", - L"xc", L"l", L"xl", L"x", L"ix", - L"v", L"iv", L"i"}; - const int nMaxNum = 1000000; - num %= nMaxNum; - int i = 0; - CFX_WideString wsRomanNumber; - while (num > 0) { - while (num >= arabic[i]) { - num = num - arabic[i]; - wsRomanNumber += roman[i]; - } - i = i + 1; - } - return wsRomanNumber; -} - -static CFX_WideString _MakeLetters(int num) { - if (num == 0) { - return CFX_WideString(); - } - CFX_WideString wsLetters; - const int nMaxCount = 1000; - const int nLetterCount = 26; - num -= 1; - int count = num / nLetterCount + 1; - count %= nMaxCount; - FX_WCHAR ch = L'a' + num % nLetterCount; - for (int i = 0; i < count; i++) { - wsLetters += ch; - } - return wsLetters; -} -static CFX_WideString _GetLabelNumPortion(int num, - const CFX_ByteString& bsStyle) { - CFX_WideString wsNumPortion; - if (bsStyle.IsEmpty()) { - return wsNumPortion; - } - if (bsStyle == "D") { - wsNumPortion.Format(L"%d", num); - } else if (bsStyle == "R") { - wsNumPortion = _MakeRoman(num); - wsNumPortion.MakeUpper(); - } else if (bsStyle == "r") { - wsNumPortion = _MakeRoman(num); - } else if (bsStyle == "A") { - wsNumPortion = _MakeLetters(num); - wsNumPortion.MakeUpper(); - } else if (bsStyle == "a") { - wsNumPortion = _MakeLetters(num); - } - return wsNumPortion; -} -CFX_WideString CPDF_PageLabel::GetLabel(int nPage) const { - CFX_WideString wsLabel; - if (!m_pDocument) { - return wsLabel; - } - CPDF_Dictionary* pPDFRoot = m_pDocument->GetRoot(); - if (!pPDFRoot) { - return wsLabel; - } - CPDF_Dictionary* pLabels = pPDFRoot->GetDictBy("PageLabels"); - CPDF_NumberTree numberTree(pLabels); - CPDF_Object* pValue = NULL; - int n = nPage; - while (n >= 0) { - pValue = numberTree.LookupValue(n); - if (pValue) { - break; - } - n--; - } - if (pValue) { - pValue = pValue->GetDirect(); - if (CPDF_Dictionary* pLabel = pValue->AsDictionary()) { - if (pLabel->KeyExist("P")) { - wsLabel += pLabel->GetUnicodeTextBy("P"); - } - CFX_ByteString bsNumberingStyle = pLabel->GetStringBy("S", NULL); - int nLabelNum = nPage - n + pLabel->GetIntegerBy("St", 1); - CFX_WideString wsNumPortion = - _GetLabelNumPortion(nLabelNum, bsNumberingStyle); - wsLabel += wsNumPortion; - return wsLabel; - } - } - wsLabel.Format(L"%d", nPage + 1); - return wsLabel; -} -int32_t CPDF_PageLabel::GetPageByLabel(const CFX_ByteStringC& bsLabel) const { - if (!m_pDocument) { - return -1; - } - CPDF_Dictionary* pPDFRoot = m_pDocument->GetRoot(); - if (!pPDFRoot) { - return -1; - } - int nPages = m_pDocument->GetPageCount(); - CFX_ByteString bsLbl; - CFX_ByteString bsOrig = bsLabel; - for (int i = 0; i < nPages; i++) { - bsLbl = PDF_EncodeText(GetLabel(i)); - if (!bsLbl.Compare(bsOrig)) { - return i; - } - } - bsLbl = bsOrig; - int nPage = FXSYS_atoi(bsLbl); - if (nPage > 0 && nPage <= nPages) { - return nPage; - } - return -1; -} -int32_t CPDF_PageLabel::GetPageByLabel(const CFX_WideStringC& wsLabel) const { - CFX_ByteString bsLabel = PDF_EncodeText(wsLabel.GetPtr()); - return GetPageByLabel(bsLabel); -} |