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authorDan Sinclair <dsinclair@chromium.org>2015-10-26 12:51:50 -0400
committerDan Sinclair <dsinclair@chromium.org>2015-10-26 12:51:50 -0400
commit9024e026dae1af064b8467bb0f62278417fb82d1 (patch)
treeff195a845b5cb07b7ddc657984f8e4ad2239c4cc /core/src/fpdfdoc
parent9b2741829b8a8c511ef0f2f313ff53d77ac96307 (diff)
downloadpdfium-9024e026dae1af064b8467bb0f62278417fb82d1.tar.xz
Add type cast definitions for CPDF_Reference.
This Cl adds ToReference, CPDF_Object::AsReference and CPDF_Object::IsReference and updates the src to use them as needed. BUG=pdfium:201 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1420973002 .
Diffstat (limited to 'core/src/fpdfdoc')
-rw-r--r--core/src/fpdfdoc/doc_form.cpp7
-rw-r--r--core/src/fpdfdoc/doc_tagged.cpp30
2 files changed, 17 insertions, 20 deletions
diff --git a/core/src/fpdfdoc/doc_form.cpp b/core/src/fpdfdoc/doc_form.cpp
index 8078608883..3192445d90 100644
--- a/core/src/fpdfdoc/doc_form.cpp
+++ b/core/src/fpdfdoc/doc_form.cpp
@@ -1086,13 +1086,12 @@ CPDF_FormField* CPDF_InterForm::AddTerminalField(CPDF_Dictionary* pFieldDict) {
}
pField = new CPDF_FormField(this, pParent);
CPDF_Object* pTObj = pDict->GetElement("T");
- if (pTObj && pTObj->GetType() == PDFOBJ_REFERENCE) {
+ if (ToReference(pTObj)) {
CPDF_Object* pClone = pTObj->Clone(TRUE);
- if (pClone) {
+ if (pClone)
pDict->SetAt("T", pClone);
- } else {
+ else
pDict->SetAtName("T", "");
- }
}
m_pFieldTree->SetField(csWName, pField);
}
diff --git a/core/src/fpdfdoc/doc_tagged.cpp b/core/src/fpdfdoc/doc_tagged.cpp
index f74aa7f6f5..f1877c6573 100644
--- a/core/src/fpdfdoc/doc_tagged.cpp
+++ b/core/src/fpdfdoc/doc_tagged.cpp
@@ -173,10 +173,10 @@ FX_BOOL CPDF_StructTreeImpl::AddTopLevelNode(CPDF_Dictionary* pDict,
FX_DWORD i;
FX_BOOL bSave = FALSE;
for (i = 0; i < pTopKids->GetCount(); i++) {
- CPDF_Object* pKidRef = pTopKids->GetElement(i);
- if (!pKidRef || pKidRef->GetType() != PDFOBJ_REFERENCE)
+ CPDF_Reference* pKidRef = ToReference(pTopKids->GetElement(i));
+ if (!pKidRef)
continue;
- if (((CPDF_Reference*)pKidRef)->GetRefObjNum() != pDict->GetObjNum())
+ if (pKidRef->GetRefObjNum() != pDict->GetObjNum())
continue;
if (m_Kids[i])
@@ -225,8 +225,8 @@ void CPDF_StructElementImpl::Release() {
void CPDF_StructElementImpl::LoadKids(CPDF_Dictionary* pDict) {
CPDF_Object* pObj = pDict->GetElement(FX_BSTRC("Pg"));
FX_DWORD PageObjNum = 0;
- if (pObj && pObj->GetType() == PDFOBJ_REFERENCE)
- PageObjNum = ((CPDF_Reference*)pObj)->GetRefObjNum();
+ if (CPDF_Reference* pRef = ToReference(pObj))
+ PageObjNum = pRef->GetRefObjNum();
CPDF_Object* pKids = pDict->GetElementValue(FX_BSTRC("K"));
if (!pKids)
@@ -264,20 +264,18 @@ void CPDF_StructElementImpl::LoadKid(FX_DWORD PageObjNum,
if (!pKidDict)
return;
- CPDF_Object* pPageObj = pKidDict->GetElement(FX_BSTRC("Pg"));
- if (pPageObj && pPageObj->GetType() == PDFOBJ_REFERENCE) {
- PageObjNum = ((CPDF_Reference*)pPageObj)->GetRefObjNum();
- }
+ if (CPDF_Reference* pRef = ToReference(pKidDict->GetElement(FX_BSTRC("Pg"))))
+ PageObjNum = pRef->GetRefObjNum();
+
CFX_ByteString type = pKidDict->GetString(FX_BSTRC("Type"));
if (type == FX_BSTRC("MCR")) {
if (m_pTree->m_pPage && m_pTree->m_pPage->GetObjNum() != PageObjNum) {
return;
}
pKid->m_Type = CPDF_StructKid::StreamContent;
- CPDF_Object* pStreamObj = pKidDict->GetElement(FX_BSTRC("Stm"));
- if (pStreamObj && pStreamObj->GetType() == PDFOBJ_REFERENCE) {
- pKid->m_StreamContent.m_RefObjNum =
- ((CPDF_Reference*)pStreamObj)->GetRefObjNum();
+ if (CPDF_Reference* pRef =
+ ToReference(pKidDict->GetElement(FX_BSTRC("Stm")))) {
+ pKid->m_StreamContent.m_RefObjNum = pRef->GetRefObjNum();
} else {
pKid->m_StreamContent.m_RefObjNum = 0;
}
@@ -288,9 +286,9 @@ void CPDF_StructElementImpl::LoadKid(FX_DWORD PageObjNum,
return;
}
pKid->m_Type = CPDF_StructKid::Object;
- CPDF_Object* pObj = pKidDict->GetElement(FX_BSTRC("Obj"));
- if (pObj && pObj->GetType() == PDFOBJ_REFERENCE) {
- pKid->m_Object.m_RefObjNum = ((CPDF_Reference*)pObj)->GetRefObjNum();
+ if (CPDF_Reference* pObj =
+ ToReference(pKidDict->GetElement(FX_BSTRC("Obj")))) {
+ pKid->m_Object.m_RefObjNum = pObj->GetRefObjNum();
} else {
pKid->m_Object.m_RefObjNum = 0;
}