diff options
Diffstat (limited to 'core/src/fpdfdoc/doc_basic.cpp')
| -rw-r--r-- | core/src/fpdfdoc/doc_basic.cpp | 1134 |
1 files changed, 567 insertions, 567 deletions
diff --git a/core/src/fpdfdoc/doc_basic.cpp b/core/src/fpdfdoc/doc_basic.cpp index 4ec8fb74fd..199a9a6dec 100644 --- a/core/src/fpdfdoc/doc_basic.cpp +++ b/core/src/fpdfdoc/doc_basic.cpp @@ -1,567 +1,567 @@ -// 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 "../../include/fpdfdoc/fpdf_doc.h"
-const int nMaxRecursion = 32;
-int CPDF_Dest::GetPageIndex(CPDF_Document* pDoc)
-{
- if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) {
- return 0;
- }
- CPDF_Object* pPage = ((CPDF_Array*)m_pObj)->GetElementValue(0);
- if (pPage == NULL) {
- return 0;
- }
- if (pPage->GetType() == PDFOBJ_NUMBER) {
- return pPage->GetInteger();
- }
- if (pPage->GetType() != PDFOBJ_DICTIONARY) {
- return 0;
- }
- return pDoc->GetPageIndex(pPage->GetObjNum());
-}
-FX_DWORD CPDF_Dest::GetPageObjNum()
-{
- if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) {
- return 0;
- }
- CPDF_Object* pPage = ((CPDF_Array*)m_pObj)->GetElementValue(0);
- if (pPage == NULL) {
- return 0;
- }
- if (pPage->GetType() == PDFOBJ_NUMBER) {
- return pPage->GetInteger();
- }
- if (pPage->GetType() == PDFOBJ_DICTIONARY) {
- return pPage->GetObjNum();
- }
- return 0;
-}
-const FX_CHAR* g_sZoomModes[] = {"XYZ", "Fit", "FitH", "FitV", "FitR", "FitB", "FitBH", "FitBV", ""};
-int CPDF_Dest::GetZoomMode()
-{
- if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) {
- return 0;
- }
- CFX_ByteString mode = ((CPDF_Array*)m_pObj)->GetElementValue(1)->GetString();
- 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)
-{
- if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) {
- return 0;
- }
- return ((CPDF_Array*)m_pObj)->GetNumber(2 + index);
-}
-CFX_ByteString CPDF_Dest::GetRemoteName()
-{
- if (m_pObj == NULL) {
- return CFX_ByteString();
- }
- return m_pObj->GetString();
-}
-CPDF_NameTree::CPDF_NameTree(CPDF_Document* pDoc, FX_BSTR category)
-{
- m_pRoot = pDoc->GetRoot()->GetDict(FX_BSTRC("Names"))->GetDict(category);
-}
-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->GetArray(FX_BSTRC("Limits"));
- if (pLimits != NULL) {
- CFX_ByteString csLeft = pLimits->GetString(0);
- CFX_ByteString csRight = pLimits->GetString(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->GetArray(FX_BSTRC("Names"));
- if (pNames) {
- FX_DWORD dwCount = pNames->GetCount() / 2;
- for (FX_DWORD i = 0; i < dwCount; i ++) {
- CFX_ByteString csValue = pNames->GetString(i * 2);
- FX_INT32 iCompare = csValue.Compare(csName);
- if (iCompare <= 0) {
- if (ppFind != NULL) {
- *ppFind = pNames;
- }
- if (iCompare < 0) {
- continue;
- }
- } else {
- break;
- }
- nIndex += i;
- return pNames->GetElementValue(i * 2 + 1);
- }
- nIndex += dwCount;
- return NULL;
- }
- CPDF_Array* pKids = pNode->GetArray(FX_BSTRC("Kids"));
- if (pKids == NULL) {
- return NULL;
- }
- for (FX_DWORD i = 0; i < pKids->GetCount(); i ++) {
- CPDF_Dictionary* pKid = pKids->GetDict(i);
- if (pKid == NULL) {
- 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->GetArray(FX_BSTRC("Names"));
- if (pNames) {
- int nCount = pNames->GetCount() / 2;
- if (nIndex >= nCurIndex + nCount) {
- nCurIndex += nCount;
- return NULL;
- } else {
- if (ppFind != NULL) {
- *ppFind = pNames;
- }
- csName = pNames->GetString((nIndex - nCurIndex) * 2);
- return pNames->GetElementValue((nIndex - nCurIndex) * 2 + 1);
- }
- }
- CPDF_Array* pKids = pNode->GetArray(FX_BSTRC("Kids"));
- if (pKids == NULL) {
- return NULL;
- }
- for (FX_DWORD i = 0; i < pKids->GetCount(); i ++) {
- CPDF_Dictionary* pKid = pKids->GetDict(i);
- if (pKid == NULL) {
- 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->GetArray(FX_BSTRC("Names"));
- if (pNames) {
- return pNames->GetCount() / 2;
- }
- CPDF_Array* pKids = pNode->GetArray(FX_BSTRC("Kids"));
- if (pKids == NULL) {
- return 0;
- }
- int nCount = 0;
- for (FX_DWORD i = 0; i < pKids->GetCount(); i ++) {
- CPDF_Dictionary* pKid = pKids->GetDict(i);
- if (pKid == NULL) {
- continue;
- }
- nCount += CountNames(pKid, nLevel + 1);
- }
- return nCount;
-}
-int CPDF_NameTree::GetCount() const
-{
- if (m_pRoot == NULL) {
- return 0;
- }
- return ::CountNames(m_pRoot);
-}
-int CPDF_NameTree::GetIndex(const CFX_ByteString& csName) const
-{
- if (m_pRoot == NULL) {
- return -1;
- }
- int nIndex = 0;
- if (SearchNameNode(m_pRoot, csName, nIndex, NULL) == NULL) {
- return -1;
- }
- return nIndex;
-}
-CPDF_Object* CPDF_NameTree::LookupValue(int nIndex, CFX_ByteString& csName) const
-{
- if (m_pRoot == NULL) {
- 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 == NULL) {
- return NULL;
- }
- int nIndex = 0;
- return SearchNameNode(m_pRoot, csName, nIndex, NULL);
-}
-CPDF_Array* CPDF_NameTree::LookupNamedDest(CPDF_Document* pDoc, FX_BSTR sName)
-{
- CPDF_Object* pValue = LookupValue(sName);
- if (pValue == NULL) {
- CPDF_Dictionary* pDests = pDoc->GetRoot()->GetDict(FX_BSTRC("Dests"));
- if (pDests == NULL) {
- return NULL;
- }
- pValue = pDests->GetElementValue(sName);
- }
- if (pValue == NULL) {
- return NULL;
- }
- if (pValue->GetType() == PDFOBJ_ARRAY) {
- return (CPDF_Array*)pValue;
- }
- if (pValue->GetType() == PDFOBJ_DICTIONARY) {
- return ((CPDF_Dictionary*)pValue)->GetArray(FX_BSTRC("D"));
- }
- return NULL;
-}
-static CFX_WideString ChangeSlashToPlatform(FX_LPCWSTR str)
-{
- CFX_WideString result;
- while (*str) {
- if (*str == '/') {
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- result += ':';
-#elif _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
- result += '\\';
-#else
- result += *str;
-#endif
- } else {
- result += *str;
- }
- str++;
- }
- return result;
-}
-static CFX_WideString FILESPEC_DecodeFileName(FX_WSTR 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
-}
-FX_BOOL CPDF_FileSpec::GetFileName(CFX_WideString &csFileName) const
-{
- if (m_pObj == NULL) {
- return FALSE;
- }
- if (m_pObj->GetType() == PDFOBJ_DICTIONARY) {
- CPDF_Dictionary* pDict = (CPDF_Dictionary*)m_pObj;
- csFileName = pDict->GetUnicodeText(FX_BSTRC("UF"));
- if (csFileName.IsEmpty()) {
- csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("F")));
- }
- if (pDict->GetString(FX_BSTRC("FS")) == FX_BSTRC("URL")) {
- return TRUE;
- }
- if (csFileName.IsEmpty()) {
- if (pDict->KeyExist(FX_BSTRC("DOS"))) {
- csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("DOS")));
- } else if (pDict->KeyExist(FX_BSTRC("Mac"))) {
- csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("Mac")));
- } else if (pDict->KeyExist(FX_BSTRC("Unix"))) {
- csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("Unix")));
- } else {
- return FALSE;
- }
- }
- } else {
- csFileName = CFX_WideString::FromLocal(m_pObj->GetString());
- }
- csFileName = FILESPEC_DecodeFileName(csFileName);
- return TRUE;
-}
-CPDF_FileSpec::CPDF_FileSpec()
-{
- m_pObj = CPDF_Dictionary::Create();
- if (m_pObj != NULL) {
- ((CPDF_Dictionary*)m_pObj)->SetAtName(FX_BSTRC("Type"), FX_BSTRC("Filespec"));
- }
-}
-FX_BOOL CPDF_FileSpec::IsURL() const
-{
- if (m_pObj == NULL) {
- return FALSE;
- }
- if (m_pObj->GetType() != PDFOBJ_DICTIONARY) {
- return FALSE;
- }
- return ((CPDF_Dictionary*)m_pObj)->GetString(FX_BSTRC("FS")) == FX_BSTRC("URL");
-}
-static CFX_WideString ChangeSlashToPDF(FX_LPCWSTR str)
-{
- CFX_WideString result;
- while (*str) {
- if (*str == '\\' || *str == ':') {
- result += '/';
- } else {
- result += *str;
- }
- str++;
- }
- return result;
-}
-CFX_WideString FILESPEC_EncodeFileName(FX_WSTR 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
-}
-CPDF_Stream* CPDF_FileSpec::GetFileStream() const
-{
- if (m_pObj == NULL) {
- return NULL;
- }
- FX_INT32 iType = m_pObj->GetType();
- if (iType == PDFOBJ_STREAM) {
- return (CPDF_Stream*)m_pObj;
- } else if (iType == PDFOBJ_DICTIONARY) {
- CPDF_Dictionary *pEF = ((CPDF_Dictionary*)m_pObj)->GetDict(FX_BSTRC("EF"));
- if (pEF == NULL) {
- return NULL;
- }
- return pEF->GetStream(FX_BSTRC("F"));
- }
- return NULL;
-}
-static void FPDFDOC_FILESPEC_SetFileName(CPDF_Object *pObj, FX_WSTR wsFileName, FX_BOOL bURL)
-{
- ASSERT(pObj != NULL);
- CFX_WideString wsStr;
- if (bURL) {
- wsStr = wsFileName;
- } else {
- wsStr = FILESPEC_EncodeFileName(wsFileName);
- }
- FX_INT32 iType = pObj->GetType();
- if (iType == PDFOBJ_STRING) {
- pObj->SetString(CFX_ByteString::FromUnicode(wsStr));
- } else if (iType == PDFOBJ_DICTIONARY) {
- CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj;
- pDict->SetAtString(FX_BSTRC("F"), CFX_ByteString::FromUnicode(wsStr));
- pDict->SetAtString(FX_BSTRC("UF"), PDF_EncodeText(wsStr));
- }
-}
-void CPDF_FileSpec::SetFileName(FX_WSTR wsFileName, FX_BOOL bURL)
-{
- ASSERT(m_pObj != NULL);
- if (m_pObj->GetType() == PDFOBJ_DICTIONARY && bURL) {
- ((CPDF_Dictionary*)m_pObj)->SetAtName(FX_BSTRC("FS"), "URL");
- }
- FPDFDOC_FILESPEC_SetFileName(m_pObj, wsFileName, bURL);
-}
-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((FX_LPCWSTR)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 == NULL) {
- return wsLabel;
- }
- CPDF_Dictionary* pPDFRoot = m_pDocument->GetRoot();
- if (pPDFRoot == NULL) {
- return wsLabel;
- }
- CPDF_Dictionary* pLabels = pPDFRoot->GetDict(FX_BSTRC("PageLabels"));
- CPDF_NumberTree numberTree(pLabels);
- CPDF_Object* pValue = NULL;
- int n = nPage;
- while (n >= 0) {
- pValue = numberTree.LookupValue(n);
- if (pValue != NULL) {
- break;
- }
- n--;
- }
- if (pValue != NULL) {
- pValue = pValue->GetDirect();
- if (pValue->GetType() == PDFOBJ_DICTIONARY) {
- CPDF_Dictionary* pLabel = (CPDF_Dictionary*)pValue;
- if (pLabel->KeyExist(FX_BSTRC("P"))) {
- wsLabel += pLabel->GetUnicodeText(FX_BSTRC("P"));
- }
- CFX_ByteString bsNumberingStyle = pLabel->GetString(FX_BSTRC("S"), NULL);
- int nLabelNum = nPage - n + pLabel->GetInteger(FX_BSTRC("St"), 1);
- CFX_WideString wsNumPortion = _GetLabelNumPortion(nLabelNum, bsNumberingStyle);
- wsLabel += wsNumPortion;
- return wsLabel;
- }
- }
- wsLabel.Format((FX_LPCWSTR)L"%d", nPage + 1);
- return wsLabel;
-}
-FX_INT32 CPDF_PageLabel::GetPageByLabel(FX_BSTR bsLabel) const
-{
- if (m_pDocument == NULL) {
- return -1;
- }
- CPDF_Dictionary* pPDFRoot = m_pDocument->GetRoot();
- if (pPDFRoot == NULL) {
- 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;
-}
-FX_INT32 CPDF_PageLabel::GetPageByLabel(FX_WSTR wsLabel) const
-{
- CFX_ByteString bsLabel = PDF_EncodeText((CFX_WideString)wsLabel);
- return GetPageByLabel(bsLabel);
-}
+// 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 "../../include/fpdfdoc/fpdf_doc.h" +const int nMaxRecursion = 32; +int CPDF_Dest::GetPageIndex(CPDF_Document* pDoc) +{ + if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) { + return 0; + } + CPDF_Object* pPage = ((CPDF_Array*)m_pObj)->GetElementValue(0); + if (pPage == NULL) { + return 0; + } + if (pPage->GetType() == PDFOBJ_NUMBER) { + return pPage->GetInteger(); + } + if (pPage->GetType() != PDFOBJ_DICTIONARY) { + return 0; + } + return pDoc->GetPageIndex(pPage->GetObjNum()); +} +FX_DWORD CPDF_Dest::GetPageObjNum() +{ + if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) { + return 0; + } + CPDF_Object* pPage = ((CPDF_Array*)m_pObj)->GetElementValue(0); + if (pPage == NULL) { + return 0; + } + if (pPage->GetType() == PDFOBJ_NUMBER) { + return pPage->GetInteger(); + } + if (pPage->GetType() == PDFOBJ_DICTIONARY) { + return pPage->GetObjNum(); + } + return 0; +} +const FX_CHAR* g_sZoomModes[] = {"XYZ", "Fit", "FitH", "FitV", "FitR", "FitB", "FitBH", "FitBV", ""}; +int CPDF_Dest::GetZoomMode() +{ + if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) { + return 0; + } + CFX_ByteString mode = ((CPDF_Array*)m_pObj)->GetElementValue(1)->GetString(); + 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) +{ + if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) { + return 0; + } + return ((CPDF_Array*)m_pObj)->GetNumber(2 + index); +} +CFX_ByteString CPDF_Dest::GetRemoteName() +{ + if (m_pObj == NULL) { + return CFX_ByteString(); + } + return m_pObj->GetString(); +} +CPDF_NameTree::CPDF_NameTree(CPDF_Document* pDoc, FX_BSTR category) +{ + m_pRoot = pDoc->GetRoot()->GetDict(FX_BSTRC("Names"))->GetDict(category); +} +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->GetArray(FX_BSTRC("Limits")); + if (pLimits != NULL) { + CFX_ByteString csLeft = pLimits->GetString(0); + CFX_ByteString csRight = pLimits->GetString(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->GetArray(FX_BSTRC("Names")); + if (pNames) { + FX_DWORD dwCount = pNames->GetCount() / 2; + for (FX_DWORD i = 0; i < dwCount; i ++) { + CFX_ByteString csValue = pNames->GetString(i * 2); + FX_INT32 iCompare = csValue.Compare(csName); + if (iCompare <= 0) { + if (ppFind != NULL) { + *ppFind = pNames; + } + if (iCompare < 0) { + continue; + } + } else { + break; + } + nIndex += i; + return pNames->GetElementValue(i * 2 + 1); + } + nIndex += dwCount; + return NULL; + } + CPDF_Array* pKids = pNode->GetArray(FX_BSTRC("Kids")); + if (pKids == NULL) { + return NULL; + } + for (FX_DWORD i = 0; i < pKids->GetCount(); i ++) { + CPDF_Dictionary* pKid = pKids->GetDict(i); + if (pKid == NULL) { + 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->GetArray(FX_BSTRC("Names")); + if (pNames) { + int nCount = pNames->GetCount() / 2; + if (nIndex >= nCurIndex + nCount) { + nCurIndex += nCount; + return NULL; + } else { + if (ppFind != NULL) { + *ppFind = pNames; + } + csName = pNames->GetString((nIndex - nCurIndex) * 2); + return pNames->GetElementValue((nIndex - nCurIndex) * 2 + 1); + } + } + CPDF_Array* pKids = pNode->GetArray(FX_BSTRC("Kids")); + if (pKids == NULL) { + return NULL; + } + for (FX_DWORD i = 0; i < pKids->GetCount(); i ++) { + CPDF_Dictionary* pKid = pKids->GetDict(i); + if (pKid == NULL) { + 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->GetArray(FX_BSTRC("Names")); + if (pNames) { + return pNames->GetCount() / 2; + } + CPDF_Array* pKids = pNode->GetArray(FX_BSTRC("Kids")); + if (pKids == NULL) { + return 0; + } + int nCount = 0; + for (FX_DWORD i = 0; i < pKids->GetCount(); i ++) { + CPDF_Dictionary* pKid = pKids->GetDict(i); + if (pKid == NULL) { + continue; + } + nCount += CountNames(pKid, nLevel + 1); + } + return nCount; +} +int CPDF_NameTree::GetCount() const +{ + if (m_pRoot == NULL) { + return 0; + } + return ::CountNames(m_pRoot); +} +int CPDF_NameTree::GetIndex(const CFX_ByteString& csName) const +{ + if (m_pRoot == NULL) { + return -1; + } + int nIndex = 0; + if (SearchNameNode(m_pRoot, csName, nIndex, NULL) == NULL) { + return -1; + } + return nIndex; +} +CPDF_Object* CPDF_NameTree::LookupValue(int nIndex, CFX_ByteString& csName) const +{ + if (m_pRoot == NULL) { + 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 == NULL) { + return NULL; + } + int nIndex = 0; + return SearchNameNode(m_pRoot, csName, nIndex, NULL); +} +CPDF_Array* CPDF_NameTree::LookupNamedDest(CPDF_Document* pDoc, FX_BSTR sName) +{ + CPDF_Object* pValue = LookupValue(sName); + if (pValue == NULL) { + CPDF_Dictionary* pDests = pDoc->GetRoot()->GetDict(FX_BSTRC("Dests")); + if (pDests == NULL) { + return NULL; + } + pValue = pDests->GetElementValue(sName); + } + if (pValue == NULL) { + return NULL; + } + if (pValue->GetType() == PDFOBJ_ARRAY) { + return (CPDF_Array*)pValue; + } + if (pValue->GetType() == PDFOBJ_DICTIONARY) { + return ((CPDF_Dictionary*)pValue)->GetArray(FX_BSTRC("D")); + } + return NULL; +} +static CFX_WideString ChangeSlashToPlatform(FX_LPCWSTR str) +{ + CFX_WideString result; + while (*str) { + if (*str == '/') { +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + result += ':'; +#elif _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ + result += '\\'; +#else + result += *str; +#endif + } else { + result += *str; + } + str++; + } + return result; +} +static CFX_WideString FILESPEC_DecodeFileName(FX_WSTR 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 +} +FX_BOOL CPDF_FileSpec::GetFileName(CFX_WideString &csFileName) const +{ + if (m_pObj == NULL) { + return FALSE; + } + if (m_pObj->GetType() == PDFOBJ_DICTIONARY) { + CPDF_Dictionary* pDict = (CPDF_Dictionary*)m_pObj; + csFileName = pDict->GetUnicodeText(FX_BSTRC("UF")); + if (csFileName.IsEmpty()) { + csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("F"))); + } + if (pDict->GetString(FX_BSTRC("FS")) == FX_BSTRC("URL")) { + return TRUE; + } + if (csFileName.IsEmpty()) { + if (pDict->KeyExist(FX_BSTRC("DOS"))) { + csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("DOS"))); + } else if (pDict->KeyExist(FX_BSTRC("Mac"))) { + csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("Mac"))); + } else if (pDict->KeyExist(FX_BSTRC("Unix"))) { + csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("Unix"))); + } else { + return FALSE; + } + } + } else { + csFileName = CFX_WideString::FromLocal(m_pObj->GetString()); + } + csFileName = FILESPEC_DecodeFileName(csFileName); + return TRUE; +} +CPDF_FileSpec::CPDF_FileSpec() +{ + m_pObj = CPDF_Dictionary::Create(); + if (m_pObj != NULL) { + ((CPDF_Dictionary*)m_pObj)->SetAtName(FX_BSTRC("Type"), FX_BSTRC("Filespec")); + } +} +FX_BOOL CPDF_FileSpec::IsURL() const +{ + if (m_pObj == NULL) { + return FALSE; + } + if (m_pObj->GetType() != PDFOBJ_DICTIONARY) { + return FALSE; + } + return ((CPDF_Dictionary*)m_pObj)->GetString(FX_BSTRC("FS")) == FX_BSTRC("URL"); +} +static CFX_WideString ChangeSlashToPDF(FX_LPCWSTR str) +{ + CFX_WideString result; + while (*str) { + if (*str == '\\' || *str == ':') { + result += '/'; + } else { + result += *str; + } + str++; + } + return result; +} +CFX_WideString FILESPEC_EncodeFileName(FX_WSTR 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 +} +CPDF_Stream* CPDF_FileSpec::GetFileStream() const +{ + if (m_pObj == NULL) { + return NULL; + } + FX_INT32 iType = m_pObj->GetType(); + if (iType == PDFOBJ_STREAM) { + return (CPDF_Stream*)m_pObj; + } else if (iType == PDFOBJ_DICTIONARY) { + CPDF_Dictionary *pEF = ((CPDF_Dictionary*)m_pObj)->GetDict(FX_BSTRC("EF")); + if (pEF == NULL) { + return NULL; + } + return pEF->GetStream(FX_BSTRC("F")); + } + return NULL; +} +static void FPDFDOC_FILESPEC_SetFileName(CPDF_Object *pObj, FX_WSTR wsFileName, FX_BOOL bURL) +{ + ASSERT(pObj != NULL); + CFX_WideString wsStr; + if (bURL) { + wsStr = wsFileName; + } else { + wsStr = FILESPEC_EncodeFileName(wsFileName); + } + FX_INT32 iType = pObj->GetType(); + if (iType == PDFOBJ_STRING) { + pObj->SetString(CFX_ByteString::FromUnicode(wsStr)); + } else if (iType == PDFOBJ_DICTIONARY) { + CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj; + pDict->SetAtString(FX_BSTRC("F"), CFX_ByteString::FromUnicode(wsStr)); + pDict->SetAtString(FX_BSTRC("UF"), PDF_EncodeText(wsStr)); + } +} +void CPDF_FileSpec::SetFileName(FX_WSTR wsFileName, FX_BOOL bURL) +{ + ASSERT(m_pObj != NULL); + if (m_pObj->GetType() == PDFOBJ_DICTIONARY && bURL) { + ((CPDF_Dictionary*)m_pObj)->SetAtName(FX_BSTRC("FS"), "URL"); + } + FPDFDOC_FILESPEC_SetFileName(m_pObj, wsFileName, bURL); +} +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((FX_LPCWSTR)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 == NULL) { + return wsLabel; + } + CPDF_Dictionary* pPDFRoot = m_pDocument->GetRoot(); + if (pPDFRoot == NULL) { + return wsLabel; + } + CPDF_Dictionary* pLabels = pPDFRoot->GetDict(FX_BSTRC("PageLabels")); + CPDF_NumberTree numberTree(pLabels); + CPDF_Object* pValue = NULL; + int n = nPage; + while (n >= 0) { + pValue = numberTree.LookupValue(n); + if (pValue != NULL) { + break; + } + n--; + } + if (pValue != NULL) { + pValue = pValue->GetDirect(); + if (pValue->GetType() == PDFOBJ_DICTIONARY) { + CPDF_Dictionary* pLabel = (CPDF_Dictionary*)pValue; + if (pLabel->KeyExist(FX_BSTRC("P"))) { + wsLabel += pLabel->GetUnicodeText(FX_BSTRC("P")); + } + CFX_ByteString bsNumberingStyle = pLabel->GetString(FX_BSTRC("S"), NULL); + int nLabelNum = nPage - n + pLabel->GetInteger(FX_BSTRC("St"), 1); + CFX_WideString wsNumPortion = _GetLabelNumPortion(nLabelNum, bsNumberingStyle); + wsLabel += wsNumPortion; + return wsLabel; + } + } + wsLabel.Format((FX_LPCWSTR)L"%d", nPage + 1); + return wsLabel; +} +FX_INT32 CPDF_PageLabel::GetPageByLabel(FX_BSTR bsLabel) const +{ + if (m_pDocument == NULL) { + return -1; + } + CPDF_Dictionary* pPDFRoot = m_pDocument->GetRoot(); + if (pPDFRoot == NULL) { + 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; +} +FX_INT32 CPDF_PageLabel::GetPageByLabel(FX_WSTR wsLabel) const +{ + CFX_ByteString bsLabel = PDF_EncodeText((CFX_WideString)wsLabel); + return GetPageByLabel(bsLabel); +} |