Home | History | Annotate | Download | only in parser 
      1 // Copyright 2016 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/xfa_object.h"
      8 
      9 #include <memory>
     10 
     11 #include "core/fxcrt/fx_ext.h"
     12 #include "xfa/fxfa/parser/cxfa_document.h"
     13 #include "xfa/fxfa/parser/cxfa_scriptcontext.h"
     14 
     15 CXFA_NodeList::CXFA_NodeList(CXFA_Document* pDocument)
     16     : CXFA_Object(pDocument,
     17                   XFA_ObjectType::NodeList,
     18                   XFA_Element::NodeList,
     19                   CFX_WideStringC(L"nodeList")) {
     20   m_pDocument->GetScriptContext()->AddToCacheList(
     21       std::unique_ptr<CXFA_NodeList>(this));
     22 }
     23 
     24 CXFA_NodeList::~CXFA_NodeList() {}
     25 
     26 CXFA_Node* CXFA_NodeList::NamedItem(const CFX_WideStringC& wsName) {
     27   uint32_t dwHashCode = FX_HashCode_GetW(wsName, false);
     28   int32_t iCount = GetLength();
     29   for (int32_t i = 0; i < iCount; i++) {
     30     CXFA_Node* ret = Item(i);
     31     if (dwHashCode == ret->GetNameHash())
     32       return ret;
     33   }
     34   return nullptr;
     35 }
     36 
     37 void CXFA_NodeList::Script_ListClass_Append(CFXJSE_Arguments* pArguments) {
     38   int32_t argc = pArguments->GetLength();
     39   if (argc != 1) {
     40     ThrowParamCountMismatchException(L"append");
     41     return;
     42   }
     43 
     44   CXFA_Node* pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
     45   if (!pNode) {
     46     ThrowArgumentMismatchException();
     47     return;
     48   }
     49   Append(pNode);
     50 }
     51 
     52 void CXFA_NodeList::Script_ListClass_Insert(CFXJSE_Arguments* pArguments) {
     53   int32_t argc = pArguments->GetLength();
     54   if (argc != 2) {
     55     ThrowParamCountMismatchException(L"insert");
     56     return;
     57   }
     58 
     59   CXFA_Node* pNewNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
     60   CXFA_Node* pBeforeNode = static_cast<CXFA_Node*>(pArguments->GetObject(1));
     61   if (!pNewNode) {
     62     ThrowArgumentMismatchException();
     63     return;
     64   }
     65   Insert(pNewNode, pBeforeNode);
     66 }
     67 
     68 void CXFA_NodeList::Script_ListClass_Remove(CFXJSE_Arguments* pArguments) {
     69   int32_t argc = pArguments->GetLength();
     70   if (argc != 1) {
     71     ThrowParamCountMismatchException(L"remove");
     72     return;
     73   }
     74 
     75   CXFA_Node* pNode = static_cast<CXFA_Node*>(pArguments->GetObject(0));
     76   if (!pNode) {
     77     ThrowArgumentMismatchException();
     78     return;
     79   }
     80   Remove(pNode);
     81 }
     82 
     83 void CXFA_NodeList::Script_ListClass_Item(CFXJSE_Arguments* pArguments) {
     84   int32_t argc = pArguments->GetLength();
     85   if (argc != 1) {
     86     ThrowParamCountMismatchException(L"item");
     87     return;
     88   }
     89 
     90   int32_t iIndex = pArguments->GetInt32(0);
     91   if (iIndex < 0 || iIndex >= GetLength()) {
     92     ThrowIndexOutOfBoundsException();
     93     return;
     94   }
     95   pArguments->GetReturnValue()->Assign(
     96       m_pDocument->GetScriptContext()->GetJSValueFromMap(Item(iIndex)));
     97 }
     98 
     99 void CXFA_NodeList::Script_TreelistClass_NamedItem(
    100     CFXJSE_Arguments* pArguments) {
    101   int32_t argc = pArguments->GetLength();
    102   if (argc != 1) {
    103     ThrowParamCountMismatchException(L"namedItem");
    104     return;
    105   }
    106 
    107   CFX_ByteString szName = pArguments->GetUTF8String(0);
    108   CXFA_Node* pNode =
    109       NamedItem(CFX_WideString::FromUTF8(szName.AsStringC()).AsStringC());
    110   if (!pNode)
    111     return;
    112 
    113   pArguments->GetReturnValue()->Assign(
    114       m_pDocument->GetScriptContext()->GetJSValueFromMap(pNode));
    115 }
    116 
    117 void CXFA_NodeList::Script_ListClass_Length(CFXJSE_Value* pValue,
    118                                             bool bSetting,
    119                                             XFA_ATTRIBUTE eAttribute) {
    120   if (bSetting) {
    121     ThrowInvalidPropertyException();
    122     return;
    123   }
    124   pValue->SetInteger(GetLength());
    125 }
    126