1 // Copyright 2017 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "xfa/fxfa/parser/cxfa_calculate.h" 8 9 #include "fxjs/xfa/cjx_calculate.h" 10 #include "third_party/base/ptr_util.h" 11 #include "xfa/fxfa/parser/cxfa_message.h" 12 #include "xfa/fxfa/parser/cxfa_script.h" 13 #include "xfa/fxfa/parser/cxfa_text.h" 14 15 namespace { 16 17 const CXFA_Node::PropertyData kPropertyData[] = {{XFA_Element::Message, 1, 0}, 18 {XFA_Element::Script, 1, 0}, 19 {XFA_Element::Extras, 1, 0}, 20 {XFA_Element::Unknown, 0, 0}}; 21 const CXFA_Node::AttributeData kAttributeData[] = { 22 {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr}, 23 {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr}, 24 {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr}, 25 {XFA_Attribute::Override, XFA_AttributeType::Enum, 26 (void*)XFA_AttributeEnum::Error}, 27 {XFA_Attribute::Unknown, XFA_AttributeType::Integer, nullptr}}; 28 29 constexpr wchar_t kName[] = L"calculate"; 30 31 } // namespace 32 33 CXFA_Calculate::CXFA_Calculate(CXFA_Document* doc, XFA_PacketType packet) 34 : CXFA_Node(doc, 35 packet, 36 (XFA_XDPPACKET_Template | XFA_XDPPACKET_Form), 37 XFA_ObjectType::Node, 38 XFA_Element::Calculate, 39 kPropertyData, 40 kAttributeData, 41 kName, 42 pdfium::MakeUnique<CJX_Calculate>(this)) {} 43 44 CXFA_Calculate::~CXFA_Calculate() {} 45 46 XFA_AttributeEnum CXFA_Calculate::GetOverride() { 47 return JSObject() 48 ->TryEnum(XFA_Attribute::Override, false) 49 .value_or(XFA_AttributeEnum::Error); 50 } 51 52 CXFA_Script* CXFA_Calculate::GetScriptIfExists() { 53 return GetChild<CXFA_Script>(0, XFA_Element::Script, false); 54 } 55 56 WideString CXFA_Calculate::GetMessageText() { 57 CXFA_Message* pNode = GetChild<CXFA_Message>(0, XFA_Element::Message, false); 58 if (!pNode) 59 return L""; 60 61 CXFA_Text* text = pNode->GetChild<CXFA_Text>(0, XFA_Element::Text, false); 62 return text ? text->GetContent() : L""; 63 } 64