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| author | Dan Sinclair <dsinclair@chromium.org> | 2018-01-11 14:51:11 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2018-01-11 14:51:11 +0000 |
| commit | 61dfd72ab3a913b143c03bdcf4ec5816dcb09cd1 (patch) | |
| tree | ecad6d7951ca1f9b09f7674e3675048043adaa45 /xfa/fxfa/parser | |
| parent | 7d2c5f4c8d33d57b76af1c471e70af36db090072 (diff) | |
| download | pdfium-61dfd72ab3a913b143c03bdcf4ec5816dcb09cd1.tar.xz | |
Rename GetItem to GetItemIfExists
Rename GetItem to make it clearer it can return nullptr.
Change-Id: I0e09a79c3e2244b08212d3b51d3ad0e6a86edfd9
Reviewed-on: https://pdfium-review.googlesource.com/22713
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'xfa/fxfa/parser')
| -rw-r--r-- | xfa/fxfa/parser/cxfa_node.cpp | 15 | ||||
| -rw-r--r-- | xfa/fxfa/parser/cxfa_node.h | 2 |
2 files changed, 13 insertions, 4 deletions
diff --git a/xfa/fxfa/parser/cxfa_node.cpp b/xfa/fxfa/parser/cxfa_node.cpp index c29e30347f..075ee46836 100644 --- a/xfa/fxfa/parser/cxfa_node.cpp +++ b/xfa/fxfa/parser/cxfa_node.cpp @@ -1129,7 +1129,7 @@ bool CXFA_Node::IsNeedSavingXMLNode() { GetElementType() == XFA_Element::Xfa); } -CXFA_Node* CXFA_Node::GetItem(int32_t iIndex) { +CXFA_Node* CXFA_Node::GetItemIfExists(int32_t iIndex) { int32_t iCount = 0; uint32_t dwNameHash = 0; for (CXFA_Node* pNode = GetNextSibling(); pNode; @@ -1198,8 +1198,12 @@ void CXFA_Node::InsertItem(CXFA_Node* pNewInstance, if (iPos < 0) iPos = iCount; if (iPos == iCount) { + CXFA_Node* item = GetItemIfExists(iCount - 1); + if (!item) + return; + CXFA_Node* pNextSibling = - iCount > 0 ? GetItem(iCount - 1)->GetNextSibling() : GetNextSibling(); + iCount > 0 ? item->GetNextSibling() : GetNextSibling(); GetParent()->InsertChild(pNewInstance, pNextSibling); if (bMoveDataBindingNodes) { std::set<CXFA_Node*> sNew; @@ -1229,7 +1233,12 @@ void CXFA_Node::InsertItem(CXFA_Node* pNewInstance, ReorderDataNodes(sNew, sAfter, false); } } else { - CXFA_Node* pBeforeInstance = GetItem(iPos); + CXFA_Node* pBeforeInstance = GetItemIfExists(iPos); + if (!pBeforeInstance) { + // TODO(dsinclair): What should happen here? + return; + } + GetParent()->InsertChild(pNewInstance, pBeforeInstance); if (bMoveDataBindingNodes) { std::set<CXFA_Node*> sNew; diff --git a/xfa/fxfa/parser/cxfa_node.h b/xfa/fxfa/parser/cxfa_node.h index 1e20ace09c..8108eeccc4 100644 --- a/xfa/fxfa/parser/cxfa_node.h +++ b/xfa/fxfa/parser/cxfa_node.h @@ -104,7 +104,7 @@ class CXFA_Node : public CXFA_Object { CXFA_Node* CreateInstanceIfPossible(bool bDataMerge); int32_t GetCount(); - CXFA_Node* GetItem(int32_t iIndex); + CXFA_Node* GetItemIfExists(int32_t iIndex); void RemoveItem(CXFA_Node* pRemoveInstance, bool bRemoveDataBinding); void InsertItem(CXFA_Node* pNewInstance, int32_t iPos, |