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-rw-r--r--core/fpdfdoc/cpdf_interform.cpp39
1 files changed, 11 insertions, 28 deletions
diff --git a/core/fpdfdoc/cpdf_interform.cpp b/core/fpdfdoc/cpdf_interform.cpp
index 0af050d0b2..1192e6e556 100644
--- a/core/fpdfdoc/cpdf_interform.cpp
+++ b/core/fpdfdoc/cpdf_interform.cpp
@@ -397,12 +397,14 @@ class CFieldTree {
explicit Node(const CFX_WideString& short_name) : m_ShortName(short_name) {}
~Node() {}
- void AddChildNode(Node* pNode) { m_Children.push_back(pNode); }
+ void AddChildNode(std::unique_ptr<Node> pNode) {
+ m_Children.push_back(std::move(pNode));
+ }
size_t GetChildrenCount() const { return m_Children.size(); }
- Node* GetChildAt(size_t i) { return m_Children[i]; }
- const Node* GetChildAt(size_t i) const { return m_Children[i]; }
+ Node* GetChildAt(size_t i) { return m_Children[i].get(); }
+ const Node* GetChildAt(size_t i) const { return m_Children[i].get(); }
CPDF_FormField* GetFieldAtIndex(size_t index) {
size_t nFieldsToGo = index;
@@ -448,7 +450,7 @@ class CFieldTree {
return count;
}
- std::vector<Node*> m_Children;
+ std::vector<std::unique_ptr<Node>> m_Children;
CFX_WideString m_ShortName;
std::unique_ptr<CPDF_FormField> m_pField;
};
@@ -459,11 +461,9 @@ class CFieldTree {
bool SetField(const CFX_WideString& full_name,
std::unique_ptr<CPDF_FormField> pField);
CPDF_FormField* GetField(const CFX_WideString& full_name);
- void RemoveAll();
Node* FindNode(const CFX_WideString& full_name);
Node* AddChild(Node* pParent, const CFX_WideString& short_name);
- void RemoveNode(Node* pNode, int nLevel = 0);
Node* Lookup(Node* pParent, const CFX_WideString& short_name);
@@ -472,29 +472,17 @@ class CFieldTree {
CFieldTree::CFieldTree() {}
-CFieldTree::~CFieldTree() {
- RemoveAll();
-}
+CFieldTree::~CFieldTree() {}
CFieldTree::Node* CFieldTree::AddChild(Node* pParent,
const CFX_WideString& short_name) {
if (!pParent)
return nullptr;
- Node* pNode = new Node(short_name);
- pParent->AddChildNode(pNode);
- return pNode;
-}
-
-void CFieldTree::RemoveNode(Node* pNode, int nLevel) {
- if (!pNode)
- return;
-
- if (nLevel <= nMaxRecursion) {
- for (size_t i = 0; i < pNode->GetChildrenCount(); ++i)
- RemoveNode(pNode->GetChildAt(i), nLevel + 1);
- }
- delete pNode;
+ auto pNew = pdfium::MakeUnique<Node>(short_name);
+ Node* pChild = pNew.get();
+ pParent->AddChildNode(std::move(pNew));
+ return pChild;
}
CFieldTree::Node* CFieldTree::Lookup(Node* pParent,
@@ -510,11 +498,6 @@ CFieldTree::Node* CFieldTree::Lookup(Node* pParent,
return nullptr;
}
-void CFieldTree::RemoveAll() {
- for (size_t i = 0; i < m_Root.GetChildrenCount(); ++i)
- RemoveNode(m_Root.GetChildAt(i));
-}
-
bool CFieldTree::SetField(const CFX_WideString& full_name,
std::unique_ptr<CPDF_FormField> pField) {
if (full_name.IsEmpty())