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-rw-r--r--core/fxcrt/xml/cfx_xmlchardata.cpp3
-rw-r--r--core/fxcrt/xml/cfx_xmlchardata.h2
-rw-r--r--core/fxcrt/xml/cfx_xmlelement.cpp24
-rw-r--r--core/fxcrt/xml/cfx_xmlelement.h2
-rw-r--r--core/fxcrt/xml/cfx_xmlinstruction.cpp3
-rw-r--r--core/fxcrt/xml/cfx_xmlinstruction.h2
-rw-r--r--core/fxcrt/xml/cfx_xmlnode.cpp81
-rw-r--r--core/fxcrt/xml/cfx_xmlnode.h24
-rw-r--r--core/fxcrt/xml/cfx_xmltext.cpp2
-rw-r--r--core/fxcrt/xml/cfx_xmltext.h2
10 files changed, 59 insertions, 86 deletions
diff --git a/core/fxcrt/xml/cfx_xmlchardata.cpp b/core/fxcrt/xml/cfx_xmlchardata.cpp
index dec2e4618f..e62a43ac53 100644
--- a/core/fxcrt/xml/cfx_xmlchardata.cpp
+++ b/core/fxcrt/xml/cfx_xmlchardata.cpp
@@ -21,7 +21,8 @@ std::unique_ptr<CFX_XMLNode> CFX_XMLCharData::Clone() {
return pdfium::MakeUnique<CFX_XMLCharData>(GetText());
}
-void CFX_XMLCharData::Save(const RetainPtr<IFX_SeekableStream>& pXMLStream) {
+void CFX_XMLCharData::Save(
+ const RetainPtr<IFX_SeekableWriteStream>& pXMLStream) {
pXMLStream->WriteString("<![CDATA[");
pXMLStream->WriteString(GetText().UTF8Encode().AsStringView());
pXMLStream->WriteString("]]>");
diff --git a/core/fxcrt/xml/cfx_xmlchardata.h b/core/fxcrt/xml/cfx_xmlchardata.h
index 5b00597955..0cdc348f26 100644
--- a/core/fxcrt/xml/cfx_xmlchardata.h
+++ b/core/fxcrt/xml/cfx_xmlchardata.h
@@ -20,7 +20,7 @@ class CFX_XMLCharData : public CFX_XMLText {
// CFX_XMLNode
FX_XMLNODETYPE GetType() const override;
std::unique_ptr<CFX_XMLNode> Clone() override;
- void Save(const RetainPtr<IFX_SeekableStream>& pXMLStream) override;
+ void Save(const RetainPtr<IFX_SeekableWriteStream>& pXMLStream) override;
};
#endif // CORE_FXCRT_XML_CFX_XMLCHARDATA_H_
diff --git a/core/fxcrt/xml/cfx_xmlelement.cpp b/core/fxcrt/xml/cfx_xmlelement.cpp
index 5e79da63cf..8c8922e0c6 100644
--- a/core/fxcrt/xml/cfx_xmlelement.cpp
+++ b/core/fxcrt/xml/cfx_xmlelement.cpp
@@ -33,10 +33,9 @@ std::unique_ptr<CFX_XMLNode> CFX_XMLElement::Clone() {
// TODO(dsinclair): This clone is wrong. It doesn't clone child nodes just
// copies text nodes?
WideString wsText;
- for (CFX_XMLNode* pChild = GetFirstChild(); pChild;
- pChild = pChild->GetNextSibling()) {
+ for (const auto& pChild : *this) {
if (pChild->GetType() == FX_XMLNODE_Text)
- wsText += static_cast<CFX_XMLText*>(pChild)->GetText();
+ wsText += static_cast<CFX_XMLText*>(pChild.get())->GetText();
}
pClone->SetTextData(wsText);
return std::move(pClone);
@@ -79,11 +78,10 @@ WideString CFX_XMLElement::GetNamespaceURI() const {
WideString CFX_XMLElement::GetTextData() const {
CFX_WideTextBuf buffer;
- for (CFX_XMLNode* pChild = GetFirstChild(); pChild;
- pChild = pChild->GetNextSibling()) {
+ for (const auto& pChild : *this) {
if (pChild->GetType() == FX_XMLNODE_Text ||
pChild->GetType() == FX_XMLNODE_CharData) {
- buffer << static_cast<CFX_XMLText*>(pChild)->GetText();
+ buffer << static_cast<CFX_XMLText*>(pChild.get())->GetText();
}
}
return buffer.MakeString();
@@ -96,7 +94,8 @@ void CFX_XMLElement::SetTextData(const WideString& wsText) {
AppendChild(pdfium::MakeUnique<CFX_XMLText>(wsText));
}
-void CFX_XMLElement::Save(const RetainPtr<IFX_SeekableStream>& pXMLStream) {
+void CFX_XMLElement::Save(
+ const RetainPtr<IFX_SeekableWriteStream>& pXMLStream) {
ByteString bsNameEncoded = name_.UTF8Encode();
pXMLStream->WriteString("<");
@@ -109,17 +108,16 @@ void CFX_XMLElement::Save(const RetainPtr<IFX_SeekableStream>& pXMLStream) {
AttributeToString(it.first, it.second).UTF8Encode().AsStringView());
}
- if (!GetFirstChild()) {
+ if (HasChildren()) {
pXMLStream->WriteString(" />\n");
return;
}
pXMLStream->WriteString(">\n");
- for (CFX_XMLNode* pChild = GetFirstChild(); pChild;
- pChild = pChild->GetNextSibling()) {
+ for (const auto& pChild : *this)
pChild->Save(pXMLStream);
- }
+
pXMLStream->WriteString("</");
pXMLStream->WriteString(bsNameEncoded.AsStringView());
pXMLStream->WriteString(">\n");
@@ -132,11 +130,11 @@ CFX_XMLElement* CFX_XMLElement::GetFirstChildNamed(
CFX_XMLElement* CFX_XMLElement::GetNthChildNamed(const WideStringView& name,
size_t idx) const {
- for (auto* child = GetFirstChild(); child; child = child->GetNextSibling()) {
+ for (const auto& child : *this) {
if (child->GetType() != FX_XMLNODE_Element)
continue;
- CFX_XMLElement* elem = static_cast<CFX_XMLElement*>(child);
+ CFX_XMLElement* elem = static_cast<CFX_XMLElement*>(child.get());
if (elem->name_ != name)
continue;
if (idx == 0)
diff --git a/core/fxcrt/xml/cfx_xmlelement.h b/core/fxcrt/xml/cfx_xmlelement.h
index c1d9fea3f0..678ba6d996 100644
--- a/core/fxcrt/xml/cfx_xmlelement.h
+++ b/core/fxcrt/xml/cfx_xmlelement.h
@@ -22,7 +22,7 @@ class CFX_XMLElement : public CFX_XMLNode {
// CFX_XMLNode
FX_XMLNODETYPE GetType() const override;
std::unique_ptr<CFX_XMLNode> Clone() override;
- void Save(const RetainPtr<IFX_SeekableStream>& pXMLStream) override;
+ void Save(const RetainPtr<IFX_SeekableWriteStream>& pXMLStream) override;
WideString GetName() const { return name_; }
diff --git a/core/fxcrt/xml/cfx_xmlinstruction.cpp b/core/fxcrt/xml/cfx_xmlinstruction.cpp
index 7b844e6808..d0f5cbb68b 100644
--- a/core/fxcrt/xml/cfx_xmlinstruction.cpp
+++ b/core/fxcrt/xml/cfx_xmlinstruction.cpp
@@ -40,7 +40,8 @@ bool CFX_XMLInstruction::IsAcrobat() const {
return name_ == L"acrobat";
}
-void CFX_XMLInstruction::Save(const RetainPtr<IFX_SeekableStream>& pXMLStream) {
+void CFX_XMLInstruction::Save(
+ const RetainPtr<IFX_SeekableWriteStream>& pXMLStream) {
if (name_.CompareNoCase(L"xml") == 0) {
pXMLStream->WriteString("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
return;
diff --git a/core/fxcrt/xml/cfx_xmlinstruction.h b/core/fxcrt/xml/cfx_xmlinstruction.h
index 045610bd8a..3be9d48573 100644
--- a/core/fxcrt/xml/cfx_xmlinstruction.h
+++ b/core/fxcrt/xml/cfx_xmlinstruction.h
@@ -21,7 +21,7 @@ class CFX_XMLInstruction : public CFX_XMLNode {
// CFX_XMLNode
FX_XMLNODETYPE GetType() const override;
std::unique_ptr<CFX_XMLNode> Clone() override;
- void Save(const RetainPtr<IFX_SeekableStream>& pXMLStream) override;
+ void Save(const RetainPtr<IFX_SeekableWriteStream>& pXMLStream) override;
bool IsOriginalXFAVersion() const;
bool IsAcrobat() const;
diff --git a/core/fxcrt/xml/cfx_xmlnode.cpp b/core/fxcrt/xml/cfx_xmlnode.cpp
index 4f811e608e..de0a4acd2f 100644
--- a/core/fxcrt/xml/cfx_xmlnode.cpp
+++ b/core/fxcrt/xml/cfx_xmlnode.cpp
@@ -6,8 +6,8 @@
#include "core/fxcrt/xml/cfx_xmlnode.h"
+#include <algorithm>
#include <utility>
-#include <vector>
#include "core/fxcrt/xml/cfx_xmlchardata.h"
#include "core/fxcrt/xml/cfx_xmlelement.h"
@@ -22,15 +22,7 @@ CFX_XMLNode::~CFX_XMLNode() {
}
void CFX_XMLNode::DeleteChildren() {
- CFX_XMLNode* child = last_child_.Get();
- // Clear last child early as it will have been deleted already.
- last_child_ = nullptr;
- while (child) {
- child = child->prev_sibling_.Get();
- if (child)
- child->next_sibling_ = nullptr;
- }
- first_child_ = nullptr;
+ children_.clear();
}
void CFX_XMLNode::AppendChild(std::unique_ptr<CFX_XMLNode> pNode) {
@@ -42,63 +34,38 @@ void CFX_XMLNode::InsertChildNode(std::unique_ptr<CFX_XMLNode> pNode,
ASSERT(!pNode->parent_);
pNode->parent_ = this;
- // No existing children, add node as first child.
- if (!first_child_) {
- ASSERT(!last_child_);
-
- first_child_ = std::move(pNode);
- last_child_ = first_child_.get();
- first_child_->prev_sibling_ = nullptr;
- first_child_->next_sibling_ = nullptr;
- return;
- }
-
- if (index == 0) {
- first_child_->prev_sibling_ = pNode.get();
- pNode->next_sibling_ = std::move(first_child_);
- pNode->prev_sibling_ = nullptr;
- first_child_ = std::move(pNode);
+ if (static_cast<size_t>(index) >= children_.size()) {
+ if (!children_.empty())
+ children_.back()->next_sibling_ = pNode.get();
+ children_.push_back(std::move(pNode));
return;
}
+ index = std::max(index, 0);
- int32_t iCount = 0;
- CFX_XMLNode* pFind = first_child_.get();
- // Note, negative indexes, and indexes after the end of the list will result
- // in appending to the list.
- while (++iCount != index && pFind->next_sibling_)
- pFind = pFind->next_sibling_.get();
-
- pNode->prev_sibling_ = pFind;
- if (pFind->next_sibling_)
- pFind->next_sibling_->prev_sibling_ = pNode.get();
- pNode->next_sibling_ = std::move(pFind->next_sibling_);
-
- pFind->next_sibling_ = std::move(pNode);
- if (pFind == last_child_.Get())
- last_child_ = pFind->next_sibling_.get();
+ pNode->next_sibling_ = children_[index].get();
+ children_.insert(children_.begin() + index, std::move(pNode));
+ if (index > 0)
+ children_[index - 1]->next_sibling_ = children_[index].get();
}
void CFX_XMLNode::RemoveChildNode(CFX_XMLNode* pNode) {
- ASSERT(first_child_);
ASSERT(pNode);
- if (first_child_.get() == pNode) {
- first_child_.release();
- first_child_ = std::move(pNode->next_sibling_);
- } else {
- CFX_XMLNode* prev = pNode->prev_sibling_.Get();
- prev->next_sibling_.release(); // Release pNode
- prev->next_sibling_ = std::move(pNode->next_sibling_);
- }
-
- if (last_child_.Get() == pNode)
- last_child_ = pNode->prev_sibling_.Get();
+ auto it = std::find(children_.begin(), children_.end(),
+ pdfium::FakeUniquePtr<CFX_XMLNode>(pNode));
+ if (it != children_.end()) {
+ if (it != children_.begin()) {
+ CFX_XMLNode* prev = (*(it - 1)).get();
+ prev->next_sibling_ = (*it)->next_sibling_;
+ }
- if (pNode->next_sibling_)
- pNode->next_sibling_->prev_sibling_ = pNode->prev_sibling_;
+ children_.erase(it);
+ }
+}
- pNode->parent_ = nullptr;
- pNode->prev_sibling_ = nullptr;
+void CFX_XMLNode::MoveChildrenTo(CFX_XMLNode* root) {
+ ASSERT(root->children_.empty());
+ std::swap(root->children_, children_);
}
CFX_XMLNode* CFX_XMLNode::GetRoot() {
diff --git a/core/fxcrt/xml/cfx_xmlnode.h b/core/fxcrt/xml/cfx_xmlnode.h
index 288095403c..cbf89adb5e 100644
--- a/core/fxcrt/xml/cfx_xmlnode.h
+++ b/core/fxcrt/xml/cfx_xmlnode.h
@@ -8,6 +8,7 @@
#define CORE_FXCRT_XML_CFX_XMLNODE_H_
#include <memory>
+#include <vector>
#include "core/fxcrt/fx_stream.h"
#include "core/fxcrt/retain_ptr.h"
@@ -22,34 +23,39 @@ enum FX_XMLNODETYPE {
class CFX_XMLNode {
public:
+ using const_iterator =
+ std::vector<std::unique_ptr<CFX_XMLNode>>::const_iterator;
+
CFX_XMLNode();
virtual ~CFX_XMLNode();
virtual FX_XMLNODETYPE GetType() const = 0;
virtual std::unique_ptr<CFX_XMLNode> Clone() = 0;
- virtual void Save(const RetainPtr<IFX_SeekableStream>& pXMLStream) = 0;
+ virtual void Save(const RetainPtr<IFX_SeekableWriteStream>& pXMLStream) = 0;
CFX_XMLNode* GetRoot();
CFX_XMLNode* GetParent() const { return parent_.Get(); }
- CFX_XMLNode* GetFirstChild() const { return first_child_.get(); }
- CFX_XMLNode* GetNextSibling() const { return next_sibling_.get(); }
+ CFX_XMLNode* GetNextSibling() const { return next_sibling_; }
+ bool HasChildren() const { return !children_.empty(); }
+ const_iterator begin() const { return children_.begin(); }
+ const_iterator end() const { return children_.end(); }
void AppendChild(std::unique_ptr<CFX_XMLNode> pNode);
void InsertChildNode(std::unique_ptr<CFX_XMLNode> pNode, int32_t index);
void RemoveChildNode(CFX_XMLNode* pNode);
void DeleteChildren();
+ // Note |root| must not have any children.
+ void MoveChildrenTo(CFX_XMLNode* root);
protected:
WideString EncodeEntities(const WideString& value);
private:
- // A node owns its first child and it owns its next sibling. The rest
- // are unowned pointers.
UnownedPtr<CFX_XMLNode> parent_;
- UnownedPtr<CFX_XMLNode> last_child_;
- UnownedPtr<CFX_XMLNode> prev_sibling_;
- std::unique_ptr<CFX_XMLNode> first_child_;
- std::unique_ptr<CFX_XMLNode> next_sibling_;
+ // The next_sibling is owned by the vector. We don't use an UnownedPtr
+ // because we don't know the destruction order of the vector.
+ CFX_XMLNode* next_sibling_;
+ std::vector<std::unique_ptr<CFX_XMLNode>> children_;
};
#endif // CORE_FXCRT_XML_CFX_XMLNODE_H_
diff --git a/core/fxcrt/xml/cfx_xmltext.cpp b/core/fxcrt/xml/cfx_xmltext.cpp
index 9bed941dd4..2c324be1c9 100644
--- a/core/fxcrt/xml/cfx_xmltext.cpp
+++ b/core/fxcrt/xml/cfx_xmltext.cpp
@@ -21,7 +21,7 @@ std::unique_ptr<CFX_XMLNode> CFX_XMLText::Clone() {
return pdfium::MakeUnique<CFX_XMLText>(m_wsText);
}
-void CFX_XMLText::Save(const RetainPtr<IFX_SeekableStream>& pXMLStream) {
+void CFX_XMLText::Save(const RetainPtr<IFX_SeekableWriteStream>& pXMLStream) {
pXMLStream->WriteString(
EncodeEntities(GetText()).UTF8Encode().AsStringView());
}
diff --git a/core/fxcrt/xml/cfx_xmltext.h b/core/fxcrt/xml/cfx_xmltext.h
index bbf14be257..cc9c71d01c 100644
--- a/core/fxcrt/xml/cfx_xmltext.h
+++ b/core/fxcrt/xml/cfx_xmltext.h
@@ -20,7 +20,7 @@ class CFX_XMLText : public CFX_XMLNode {
// CFX_XMLNode
FX_XMLNODETYPE GetType() const override;
std::unique_ptr<CFX_XMLNode> Clone() override;
- void Save(const RetainPtr<IFX_SeekableStream>& pXMLStream) override;
+ void Save(const RetainPtr<IFX_SeekableWriteStream>& pXMLStream) override;
WideString GetText() const { return m_wsText; }
void SetText(const WideString& wsText) { m_wsText = wsText; }
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 21:11:03 +0000