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-rw-r--r--core/fpdfdoc/cpdf_interform.cpp177
1 files changed, 82 insertions, 95 deletions
diff --git a/core/fpdfdoc/cpdf_interform.cpp b/core/fpdfdoc/cpdf_interform.cpp
index 924084d4e2..574fa1b335 100644
--- a/core/fpdfdoc/cpdf_interform.cpp
+++ b/core/fpdfdoc/cpdf_interform.cpp
@@ -537,56 +537,79 @@ FX_BOOL RetrieveSpecificFont(uint8_t charSet,
class CFieldTree {
public:
- struct Node {
- Node* parent;
- CFX_ArrayTemplate<Node*> children;
- CFX_WideString short_name;
- CPDF_FormField* field_ptr;
- int CountFields(int nLevel = 0) {
- if (nLevel > nMaxRecursion)
- return 0;
- if (field_ptr)
- return 1;
+ class Node {
+ public:
+ Node() : m_pField(nullptr) {}
+ Node(const CFX_WideString& short_name, CPDF_FormField* pField)
+ : m_ShortName(short_name), m_pField(pField) {}
+ ~Node() {}
- int count = 0;
- for (int i = 0; i < children.GetSize(); i++)
- count += children.GetAt(i)->CountFields(nLevel + 1);
- return count;
+ void AddChildNode(Node* pNode) { m_Children.push_back(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]; }
+
+ CPDF_FormField* GetFieldAtIndex(int index) {
+ int nFieldsToGo = index;
+ return GetFieldInternal(&nFieldsToGo);
}
- CPDF_FormField* GetField(int* fields_to_go) {
- if (field_ptr) {
- if (*fields_to_go == 0)
- return field_ptr;
+ int CountFields() const { return CountFieldsInternal(0); }
+
+ void SetField(CPDF_FormField* pField) { m_pField = pField; }
+
+ CPDF_FormField* GetField() { return m_pField; }
+ const CPDF_FormField* GetField() const { return m_pField; }
- --*fields_to_go;
+ const CFX_WideString& GetShortName() const { return m_ShortName; }
+
+ private:
+ CPDF_FormField* GetFieldInternal(int* pFieldsToGo) {
+ if (m_pField) {
+ if (*pFieldsToGo == 0)
+ return m_pField;
+
+ --*pFieldsToGo;
return nullptr;
}
- for (int i = 0; i < children.GetSize(); i++) {
- if (CPDF_FormField* pField = children.GetAt(i)->GetField(fields_to_go))
+ for (size_t i = 0; i < GetChildrenCount(); ++i) {
+ CPDF_FormField* pField = GetChildAt(i)->GetFieldInternal(pFieldsToGo);
+ if (pField)
return pField;
}
return nullptr;
}
- CPDF_FormField* GetField(int index) {
- int fields_to_go = index;
- return GetField(&fields_to_go);
+ int CountFieldsInternal(int nLevel) const {
+ if (nLevel > nMaxRecursion)
+ return 0;
+ if (m_pField)
+ return 1;
+
+ int count = 0;
+ for (size_t i = 0; i < GetChildrenCount(); ++i)
+ count += GetChildAt(i)->CountFieldsInternal(nLevel + 1);
+ return count;
}
+
+ std::vector<Node*> m_Children;
+ CFX_WideString m_ShortName;
+ CPDF_FormField* m_pField;
};
CFieldTree();
~CFieldTree();
- void SetField(const CFX_WideString& full_name, CPDF_FormField* field_ptr);
+ void SetField(const CFX_WideString& full_name, CPDF_FormField* pField);
CPDF_FormField* GetField(const CFX_WideString& full_name);
- CPDF_FormField* RemoveField(const CFX_WideString& full_name);
void RemoveAll();
Node* FindNode(const CFX_WideString& full_name);
Node* AddChild(Node* pParent,
const CFX_WideString& short_name,
- CPDF_FormField* field_ptr);
+ CPDF_FormField* pField);
void RemoveNode(Node* pNode, int nLevel = 0);
Node* Lookup(Node* pParent, const CFX_WideString& short_name);
@@ -594,10 +617,7 @@ class CFieldTree {
Node m_Root;
};
-CFieldTree::CFieldTree() {
- m_Root.parent = nullptr;
- m_Root.field_ptr = nullptr;
-}
+CFieldTree::CFieldTree() {}
CFieldTree::~CFieldTree() {
RemoveAll();
@@ -605,24 +625,22 @@ CFieldTree::~CFieldTree() {
CFieldTree::Node* CFieldTree::AddChild(Node* pParent,
const CFX_WideString& short_name,
- CPDF_FormField* field_ptr) {
+ CPDF_FormField* pField) {
if (!pParent)
return nullptr;
- Node* pNode = new Node;
- pNode->parent = pParent;
- pNode->short_name = short_name;
- pNode->field_ptr = field_ptr;
- pParent->children.Add(pNode);
+ Node* pNode = new Node(short_name, pField);
+ pParent->AddChildNode(pNode);
return pNode;
}
void CFieldTree::RemoveNode(Node* pNode, int nLevel) {
if (!pNode)
return;
+
if (nLevel <= nMaxRecursion) {
- for (int i = 0; i < pNode->children.GetSize(); i++)
- RemoveNode(pNode->children[i], nLevel + 1);
+ for (size_t i = 0; i < pNode->GetChildrenCount(); ++i)
+ RemoveNode(pNode->GetChildAt(i), nLevel + 1);
}
delete pNode;
}
@@ -632,22 +650,22 @@ CFieldTree::Node* CFieldTree::Lookup(Node* pParent,
if (!pParent)
return nullptr;
- for (int i = 0; i < pParent->children.GetSize(); i++) {
- Node* pNode = pParent->children[i];
- if (pNode->short_name == short_name)
+ for (size_t i = 0; i < pParent->GetChildrenCount(); ++i) {
+ Node* pNode = pParent->GetChildAt(i);
+ if (pNode->GetShortName() == short_name)
return pNode;
}
return nullptr;
}
void CFieldTree::RemoveAll() {
- for (int i = 0; i < m_Root.children.GetSize(); i++)
- RemoveNode(m_Root.children[i]);
+ for (size_t i = 0; i < m_Root.GetChildrenCount(); ++i)
+ RemoveNode(m_Root.GetChildAt(i));
}
void CFieldTree::SetField(const CFX_WideString& full_name,
- CPDF_FormField* field_ptr) {
- if (full_name == L"")
+ CPDF_FormField* pField) {
+ if (full_name.IsEmpty())
return;
CFieldNameExtractor name_extractor(full_name);
@@ -666,30 +684,11 @@ void CFieldTree::SetField(const CFX_WideString& full_name,
name_extractor.GetNext(pName, nLength);
}
if (pNode != &m_Root)
- pNode->field_ptr = field_ptr;
+ pNode->SetField(pField);
}
CPDF_FormField* CFieldTree::GetField(const CFX_WideString& full_name) {
- if (full_name == L"")
- return nullptr;
-
- CFieldNameExtractor name_extractor(full_name);
- const FX_WCHAR* pName;
- FX_STRSIZE nLength;
- name_extractor.GetNext(pName, nLength);
- Node* pNode = &m_Root;
- Node* pLast = nullptr;
- while (nLength > 0 && pNode) {
- pLast = pNode;
- CFX_WideString name = CFX_WideString(pName, nLength);
- pNode = Lookup(pLast, name);
- name_extractor.GetNext(pName, nLength);
- }
- return pNode ? pNode->field_ptr : nullptr;
-}
-
-CPDF_FormField* CFieldTree::RemoveField(const CFX_WideString& full_name) {
- if (full_name == L"")
+ if (full_name.IsEmpty())
return nullptr;
CFieldNameExtractor name_extractor(full_name);
@@ -704,23 +703,11 @@ CPDF_FormField* CFieldTree::RemoveField(const CFX_WideString& full_name) {
pNode = Lookup(pLast, name);
name_extractor.GetNext(pName, nLength);
}
-
- if (pNode && pNode != &m_Root) {
- for (int i = 0; i < pLast->children.GetSize(); i++) {
- if (pNode == pLast->children[i]) {
- pLast->children.RemoveAt(i);
- break;
- }
- }
- CPDF_FormField* pField = pNode->field_ptr;
- RemoveNode(pNode);
- return pField;
- }
- return nullptr;
+ return pNode ? pNode->GetField() : nullptr;
}
CFieldTree::Node* CFieldTree::FindNode(const CFX_WideString& full_name) {
- if (full_name == L"")
+ if (full_name.IsEmpty())
return nullptr;
CFieldNameExtractor name_extractor(full_name);
@@ -833,7 +820,7 @@ CPDF_InterForm::~CPDF_InterForm() {
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; ++i)
- delete m_pFieldTree->m_Root.GetField(i);
+ delete m_pFieldTree->m_Root.GetFieldAtIndex(i);
}
FX_BOOL CPDF_InterForm::s_bUpdateAP = TRUE;
@@ -1011,7 +998,7 @@ FX_BOOL CPDF_InterForm::ValidateFieldName(
}
uint32_t dwCount = m_pFieldTree->m_Root.CountFields();
for (uint32_t m = 0; m < dwCount; m++) {
- CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(m);
+ CPDF_FormField* pField = m_pFieldTree->m_Root.GetFieldAtIndex(m);
if (!pField)
continue;
if (pField == pExcludedField) {
@@ -1111,11 +1098,11 @@ uint32_t CPDF_InterForm::CountFields(const CFX_WideString& csFieldName) {
CPDF_FormField* CPDF_InterForm::GetField(uint32_t index,
const CFX_WideString& csFieldName) {
- if (csFieldName == L"")
- return m_pFieldTree->m_Root.GetField(index);
+ if (csFieldName.IsEmpty())
+ return m_pFieldTree->m_Root.GetFieldAtIndex(index);
CFieldTree::Node* pNode = m_pFieldTree->FindNode(csFieldName);
- return pNode ? pNode->GetField(index) : nullptr;
+ return pNode ? pNode->GetFieldAtIndex(index) : nullptr;
}
CPDF_FormField* CPDF_InterForm::GetFieldByDict(
@@ -1285,7 +1272,7 @@ bool CPDF_InterForm::ResetForm(const std::vector<CPDF_FormField*>& fields,
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; ++i) {
- CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
+ CPDF_FormField* pField = m_pFieldTree->m_Root.GetFieldAtIndex(i);
if (!pField)
continue;
@@ -1303,7 +1290,7 @@ bool CPDF_InterForm::ResetForm(bool bNotify) {
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; ++i) {
- CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
+ CPDF_FormField* pField = m_pFieldTree->m_Root.GetFieldAtIndex(i);
if (!pField)
continue;
@@ -1411,10 +1398,7 @@ CPDF_FormField* CPDF_InterForm::AddTerminalField(CPDF_Dictionary* pFieldDict) {
}
CPDF_Array* pKids = pFieldDict->GetArrayFor("Kids");
- if (!pKids) {
- if (pFieldDict->GetStringFor("Subtype") == "Widget")
- AddControl(pField, pFieldDict);
- } else {
+ if (pKids) {
for (size_t i = 0; i < pKids->GetCount(); i++) {
CPDF_Dictionary* pKid = pKids->GetDictAt(i);
if (!pKid)
@@ -1424,6 +1408,9 @@ CPDF_FormField* CPDF_InterForm::AddTerminalField(CPDF_Dictionary* pFieldDict) {
AddControl(pField, pKid);
}
+ } else {
+ if (pFieldDict->GetStringFor("Subtype") == "Widget")
+ AddControl(pField, pFieldDict);
}
return pField;
}
@@ -1445,7 +1432,7 @@ CPDF_FormField* CPDF_InterForm::CheckRequiredFields(
bool bIncludeOrExclude) const {
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; ++i) {
- CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
+ CPDF_FormField* pField = m_pFieldTree->m_Root.GetFieldAtIndex(i);
if (!pField)
continue;
@@ -1476,7 +1463,7 @@ CFDF_Document* CPDF_InterForm::ExportToFDF(const CFX_WideStringC& pdf_path,
std::vector<CPDF_FormField*> fields;
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; ++i)
- fields.push_back(m_pFieldTree->m_Root.GetField(i));
+ fields.push_back(m_pFieldTree->m_Root.GetFieldAtIndex(i));
return ExportToFDF(pdf_path, fields, true, bSimpleFileSpec);
}
@@ -1506,7 +1493,7 @@ CFDF_Document* CPDF_InterForm::ExportToFDF(
pMainDict->SetFor("Fields", pFields);
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; i++) {
- CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
+ CPDF_FormField* pField = m_pFieldTree->m_Root.GetFieldAtIndex(i);
if (!pField || pField->GetType() == CPDF_FormField::PushButton)
continue;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 05:09:19 +0000