1 files changed, 160 insertions, 0 deletions
diff --git a/xfa/fde/xml/cfde_xmlinstruction.cpp b/xfa/fde/xml/cfde_xmlinstruction.cpp
new file mode 100644
index 0000000000..64c980b439
--- /dev/null
+++ b/xfa/fde/xml/cfde_xmlinstruction.cpp
@@ -0,0 +1,160 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fde/xml/cfde_xmlinstruction.h"
+
+#include "core/fxcrt/fx_ext.h"
+#include "third_party/base/stl_util.h"
+
+CFDE_XMLInstruction::CFDE_XMLInstruction(const CFX_WideString& wsTarget)
+    : m_wsTarget(wsTarget) {
+  ASSERT(m_wsTarget.GetLength() > 0);
+}
+
+CFDE_XMLInstruction::~CFDE_XMLInstruction() {}
+
+FDE_XMLNODETYPE CFDE_XMLInstruction::GetType() const {
+  return FDE_XMLNODE_Instruction;
+}
+
+CFDE_XMLNode* CFDE_XMLInstruction::Clone(bool bRecursive) {
+  CFDE_XMLInstruction* pClone = new CFDE_XMLInstruction(m_wsTarget);
+  if (!pClone)
+    return nullptr;
+
+  pClone->m_Attributes = m_Attributes;
+  pClone->m_TargetData = m_TargetData;
+  if (bRecursive)
+    CloneChildren(pClone);
+
+  return pClone;
+}
+
+int32_t CFDE_XMLInstruction::CountAttributes() const {
+  return pdfium::CollectionSize<int32_t>(m_Attributes) / 2;
+}
+
+bool CFDE_XMLInstruction::GetAttribute(int32_t index,
+                                       CFX_WideString& wsAttriName,
+                                       CFX_WideString& wsAttriValue) const {
+  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
+  ASSERT(index > -1 && index < iCount / 2);
+  for (int32_t i = 0; i < iCount; i += 2) {
+    if (index == 0) {
+      wsAttriName = m_Attributes[i];
+      wsAttriValue = m_Attributes[i + 1];
+      return true;
+    }
+    index--;
+  }
+  return false;
+}
+
+bool CFDE_XMLInstruction::HasAttribute(const wchar_t* pwsAttriName) const {
+  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
+  for (int32_t i = 0; i < iCount; i += 2) {
+    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
+      return true;
+    }
+  }
+  return false;
+}
+
+void CFDE_XMLInstruction::GetString(const wchar_t* pwsAttriName,
+                                    CFX_WideString& wsAttriValue,
+                                    const wchar_t* pwsDefValue) const {
+  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
+  for (int32_t i = 0; i < iCount; i += 2) {
+    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
+      wsAttriValue = m_Attributes[i + 1];
+      return;
+    }
+  }
+  wsAttriValue = pwsDefValue;
+}
+
+void CFDE_XMLInstruction::SetString(const CFX_WideString& wsAttriName,
+                                    const CFX_WideString& wsAttriValue) {
+  ASSERT(wsAttriName.GetLength() > 0);
+  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
+  for (int32_t i = 0; i < iCount; i += 2) {
+    if (m_Attributes[i].Compare(wsAttriName) == 0) {
+      m_Attributes[i] = wsAttriName;
+      m_Attributes[i + 1] = wsAttriValue;
+      return;
+    }
+  }
+  m_Attributes.push_back(wsAttriName);
+  m_Attributes.push_back(wsAttriValue);
+}
+
+int32_t CFDE_XMLInstruction::GetInteger(const wchar_t* pwsAttriName,
+                                        int32_t iDefValue) const {
+  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
+  for (int32_t i = 0; i < iCount; i += 2) {
+    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
+      return FXSYS_wtoi(m_Attributes[i + 1].c_str());
+    }
+  }
+  return iDefValue;
+}
+
+void CFDE_XMLInstruction::SetInteger(const wchar_t* pwsAttriName,
+                                     int32_t iAttriValue) {
+  CFX_WideString wsValue;
+  wsValue.Format(L"%d", iAttriValue);
+  SetString(pwsAttriName, wsValue);
+}
+
+float CFDE_XMLInstruction::GetFloat(const wchar_t* pwsAttriName,
+                                    float fDefValue) const {
+  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
+  for (int32_t i = 0; i < iCount; i += 2) {
+    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
+      return FXSYS_wcstof(m_Attributes[i + 1].c_str(), -1, nullptr);
+    }
+  }
+  return fDefValue;
+}
+
+void CFDE_XMLInstruction::SetFloat(const wchar_t* pwsAttriName,
+                                   float fAttriValue) {
+  CFX_WideString wsValue;
+  wsValue.Format(L"%f", fAttriValue);
+  SetString(pwsAttriName, wsValue);
+}
+
+void CFDE_XMLInstruction::RemoveAttribute(const wchar_t* pwsAttriName) {
+  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
+  for (int32_t i = 0; i < iCount; i += 2) {
+    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
+      m_Attributes.erase(m_Attributes.begin() + i,
+                         m_Attributes.begin() + i + 2);
+      return;
+    }
+  }
+}
+
+int32_t CFDE_XMLInstruction::CountData() const {
+  return pdfium::CollectionSize<int32_t>(m_TargetData);
+}
+
+bool CFDE_XMLInstruction::GetData(int32_t index, CFX_WideString& wsData) const {
+  if (!pdfium::IndexInBounds(m_TargetData, index))
+    return false;
+
+  wsData = m_TargetData[index];
+  return true;
+}
+
+void CFDE_XMLInstruction::AppendData(const CFX_WideString& wsData) {
+  m_TargetData.push_back(wsData);
+}
+
+void CFDE_XMLInstruction::RemoveData(int32_t index) {
+  if (pdfium::IndexInBounds(m_TargetData, index))
+    m_TargetData.erase(m_TargetData.begin() + index);
+}