C++ (Cpp) SearchNameNode Examples

Example #1

File: doc_basic.cpp Project: andoma/pdfium

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;
}

Example #2

File: cpdf_nametree.cpp Project: MIPS/external-pdfium

CPDF_Object* CPDF_NameTree::LookupValue(int nIndex,
                                        CFX_ByteString& csName) const {
  if (!m_pRoot)
    return nullptr;
  size_t nCurIndex = 0;
  return SearchNameNode(m_pRoot, nIndex, nCurIndex, csName, nullptr);
}

Example #3

File: doc_basic.cpp Project: andoma/pdfium

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);
}

Example #4

File: doc_basic.cpp Project: endlessm/chromium-browser

static CPDF_Object* SearchNameNode(CPDF_Dictionary* pNode,
                                   size_t nIndex,
                                   size_t& nCurIndex,
                                   CFX_ByteString& csName,
                                   CPDF_Array** ppFind,
                                   int nLevel = 0) {
  if (nLevel > nMaxRecursion)
    return nullptr;

  CPDF_Array* pNames = pNode->GetArrayBy("Names");
  if (pNames) {
    size_t nCount = pNames->GetCount() / 2;
    if (nIndex >= nCurIndex + nCount) {
      nCurIndex += nCount;
      return nullptr;
    }
    if (ppFind)
      *ppFind = pNames;
    csName = pNames->GetStringAt((nIndex - nCurIndex) * 2);
    return pNames->GetDirectObjectAt((nIndex - nCurIndex) * 2 + 1);
  }
  CPDF_Array* pKids = pNode->GetArrayBy("Kids");
  if (!pKids)
    return nullptr;
  for (size_t 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 nullptr;
}

Example #5

File: doc_basic.cpp Project: azunite/pdfium_ch

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);
}

Example #6

File: cpdf_nametree.cpp Project: MIPS/external-pdfium

int CPDF_NameTree::GetIndex(const CFX_ByteString& csName) const {
  if (!m_pRoot)
    return -1;

  size_t nIndex = 0;
  if (!SearchNameNode(m_pRoot, csName, nIndex, nullptr))
    return -1;
  return nIndex;
}

Example #7

File: doc_basic.cpp Project: andoma/pdfium

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;
}

Example #8

File: doc_basic.cpp Project: andoma/pdfium

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;
}