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-rw-r--r--core/src/fpdfdoc/doc_form.cpp34
1 files changed, 18 insertions, 16 deletions
diff --git a/core/src/fpdfdoc/doc_form.cpp b/core/src/fpdfdoc/doc_form.cpp
index 970b4b9f40..17f1808444 100644
--- a/core/src/fpdfdoc/doc_form.cpp
+++ b/core/src/fpdfdoc/doc_form.cpp
@@ -233,21 +233,25 @@ CFieldTree::_Node* CFieldTree::FindNode(const CFX_WideString& full_name) {
return pNode;
}
CPDF_InterForm::CPDF_InterForm(CPDF_Document* pDocument, FX_BOOL bGenerateAP)
- : CFX_PrivateData() {
- m_pDocument = pDocument;
- m_bGenerateAP = bGenerateAP;
- m_pFormNotify = NULL;
- m_bUpdated = FALSE;
- m_pFieldTree = new CFieldTree;
+ : CFX_PrivateData(),
+ m_pDocument(pDocument),
+ m_bGenerateAP(bGenerateAP),
+ m_pFormDict(nullptr),
+ m_pFieldTree(new CFieldTree),
+ m_pFormNotify(nullptr),
+ m_bUpdated(FALSE) {
CPDF_Dictionary* pRoot = m_pDocument->GetRoot();
+ if (!pRoot)
+ return;
+
m_pFormDict = pRoot->GetDict("AcroForm");
- if (m_pFormDict == NULL) {
+ if (!m_pFormDict)
return;
- }
+
CPDF_Array* pFields = m_pFormDict->GetArray("Fields");
- if (pFields == NULL) {
+ if (!pFields)
return;
- }
+
int count = pFields->GetCount();
for (int i = 0; i < count; i++) {
LoadField(pFields->GetDict(i));
@@ -257,12 +261,10 @@ CPDF_InterForm::CPDF_InterForm(CPDF_Document* pDocument, FX_BOOL bGenerateAP)
CPDF_InterForm::~CPDF_InterForm() {
for (auto it : m_ControlMap)
delete it.second;
- if (m_pFieldTree) {
- int nCount = m_pFieldTree->m_Root.CountFields();
- for (int i = 0; i < nCount; ++i) {
- delete m_pFieldTree->m_Root.GetField(i);
- }
- delete m_pFieldTree;
+
+ int nCount = m_pFieldTree->m_Root.CountFields();
+ for (int i = 0; i < nCount; ++i) {
+ delete m_pFieldTree->m_Root.GetField(i);
}
}