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authorDan Sinclair <dsinclair@chromium.org>2017-11-16 14:17:17 +0000
committerChromium commit bot <commit-bot@chromium.org>2017-11-16 14:17:17 +0000
commit9d608ff14177cd665f6b2ead639415bda935fbe2 (patch)
treed538fbf435ed55cf07ff37c24bc835507c12466d /fxjs
parent9d47de6b27b167db46b6aba38352fc42a8b6adae (diff)
downloadpdfium-9d608ff14177cd665f6b2ead639415bda935fbe2.tar.xz
Cleanup CJX_Node::GetAttribute
This CL renames GetAttribute to TryAttribute and changes to return a pdfium::Optional instead of a boolean with an out parameter. GetAttribute is then added to call TryAttribute to mirror the other methods in the file. Change-Id: I875dac120776af7c53fe069e4dd36e5486838447 Reviewed-on: https://pdfium-review.googlesource.com/18514 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'fxjs')
-rw-r--r--fxjs/cfxjse_formcalc_context.cpp8
-rw-r--r--fxjs/cjx_node.cpp124
-rw-r--r--fxjs/cjx_node.h11
3 files changed, 73 insertions, 70 deletions
diff --git a/fxjs/cfxjse_formcalc_context.cpp b/fxjs/cfxjse_formcalc_context.cpp
index 30fa18737b..e7e0e48871 100644
--- a/fxjs/cfxjse_formcalc_context.cpp
+++ b/fxjs/cfxjse_formcalc_context.cpp
@@ -5966,8 +5966,12 @@ int32_t CFXJSE_FormCalcContext::ResolveObjects(
ASSERT(pNode);
if (bHasNoResolveName) {
WideString wsName;
- if (CXFA_Node* pXFANode = pNode->AsNode())
- pXFANode->JSNode()->GetAttribute(XFA_Attribute::Name, wsName, false);
+ if (CXFA_Node* pXFANode = pNode->AsNode()) {
+ pdfium::Optional<WideString> ret =
+ pXFANode->JSNode()->TryAttribute(XFA_Attribute::Name, false);
+ if (ret)
+ wsName = *ret;
+ }
if (wsName.IsEmpty())
wsName = L"#" + pNode->GetClassName();
diff --git a/fxjs/cjx_node.cpp b/fxjs/cjx_node.cpp
index 860171a6f1..7ebf5da25b 100644
--- a/fxjs/cjx_node.cpp
+++ b/fxjs/cjx_node.cpp
@@ -255,12 +255,19 @@ bool CJX_Node::SetAttribute(const WideStringView& wsAttr,
return true;
}
-bool CJX_Node::GetAttribute(XFA_Attribute eAttr,
- WideString& wsValue,
- bool bUseDefault) {
+WideString CJX_Node::GetAttribute(const WideStringView& attr) {
+ return TryAttribute(attr, true).value_or(WideString());
+}
+
+WideString CJX_Node::GetAttribute(XFA_Attribute attr) {
+ return TryAttribute(attr, true).value_or(WideString());
+}
+
+pdfium::Optional<WideString> CJX_Node::TryAttribute(XFA_Attribute eAttr,
+ bool bUseDefault) {
const XFA_ATTRIBUTEINFO* pAttr = XFA_GetAttributeByID(eAttr);
if (!pAttr)
- return false;
+ return {};
XFA_AttributeType eType = pAttr->eType;
if (eType == XFA_AttributeType::NotSure) {
@@ -273,60 +280,54 @@ bool CJX_Node::GetAttribute(XFA_Attribute eAttr,
pdfium::Optional<XFA_ATTRIBUTEENUM> value =
TryEnum(pAttr->eName, bUseDefault);
if (!value)
- return false;
+ return {};
- wsValue = GetAttributeEnumByID(*value)->pName;
- return true;
+ return {GetAttributeEnumByID(*value)->pName};
}
- case XFA_AttributeType::CData: {
- pdfium::Optional<WideString> ret = TryCData(pAttr->eName, bUseDefault);
- if (!ret)
- return false;
+ case XFA_AttributeType::CData:
+ return TryCData(pAttr->eName, bUseDefault);
- wsValue = *ret;
- return true;
- }
case XFA_AttributeType::Boolean: {
bool bValue;
if (!TryBoolean(pAttr->eName, bValue, bUseDefault))
- return false;
-
- wsValue = bValue ? L"1" : L"0";
- return true;
+ return {};
+ return {bValue ? L"1" : L"0"};
}
case XFA_AttributeType::Integer: {
pdfium::Optional<int32_t> iValue = TryInteger(pAttr->eName, bUseDefault);
if (!iValue)
- return false;
+ return {};
+ WideString wsValue;
wsValue.Format(L"%d", *iValue);
- return true;
+ return {wsValue};
}
case XFA_AttributeType::Measure: {
CXFA_Measurement mValue;
if (!TryMeasure(pAttr->eName, mValue, bUseDefault))
- return false;
+ return {};
- mValue.ToString(&wsValue);
- return true;
+ return {mValue.ToString()};
}
default:
- return false;
+ break;
}
+ return {};
}
-bool CJX_Node::GetAttribute(const WideStringView& wsAttr,
- WideString& wsValue,
- bool bUseDefault) {
+pdfium::Optional<WideString> CJX_Node::TryAttribute(
+ const WideStringView& wsAttr,
+ bool bUseDefault) {
const XFA_ATTRIBUTEINFO* pAttributeInfo = XFA_GetAttributeByName(wsAttr);
if (pAttributeInfo)
- return GetAttribute(pAttributeInfo->eName, wsValue, bUseDefault);
+ return TryAttribute(pAttributeInfo->eName, bUseDefault);
void* pKey = GetMapKey_Custom(wsAttr);
WideStringView wsValueC;
- if (GetMapModuleString(pKey, wsValueC))
- wsValue = wsValueC;
- return true;
+ if (!GetMapModuleString(pKey, wsValueC))
+ return {};
+
+ return {WideString(wsValueC)};
}
void CJX_Node::RemoveAttribute(const WideStringView& wsAttr) {
@@ -542,9 +543,7 @@ void CJX_Node::Script_TreeClass_All(CFXJSE_Value* pValue,
}
uint32_t dwFlag = XFA_RESOLVENODE_Siblings | XFA_RESOLVENODE_ALL;
- WideString wsName;
- GetAttribute(XFA_Attribute::Name, wsName, true);
- WideString wsExpression = wsName + L"[*]";
+ WideString wsExpression = GetAttribute(XFA_Attribute::Name) + L"[*]";
ResolveNodeList(pValue, wsExpression, dwFlag, nullptr);
}
@@ -667,14 +666,14 @@ void CJX_Node::Script_NodeClass_GetAttribute(CFXJSE_Arguments* pArguments) {
return;
}
+ CFXJSE_Value* pValue = pArguments->GetReturnValue();
+ if (!pValue)
+ return;
+
WideString wsExpression =
WideString::FromUTF8(pArguments->GetUTF8String(0).AsStringView());
- WideString wsValue;
- GetAttribute(wsExpression.AsStringView(), wsValue, true);
-
- CFXJSE_Value* pValue = pArguments->GetReturnValue();
- if (pValue)
- pValue->SetString(wsValue.UTF8Encode().AsStringView());
+ pValue->SetString(
+ GetAttribute(wsExpression.AsStringView()).UTF8Encode().AsStringView());
}
void CJX_Node::Script_NodeClass_GetElement(CFXJSE_Arguments* pArguments) {
@@ -1251,9 +1250,7 @@ void CJX_Node::Script_Attribute_String(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
if (!bSetting) {
- WideString wsValue;
- GetAttribute(eAttribute, wsValue, true);
- pValue->SetString(wsValue.UTF8Encode().AsStringView());
+ pValue->SetString(GetAttribute(eAttribute).UTF8Encode().AsStringView());
return;
}
@@ -1322,10 +1319,7 @@ void CJX_Node::Script_Attribute_StringRead(CFXJSE_Value* pValue,
ThrowInvalidPropertyException();
return;
}
-
- WideString wsValue;
- GetAttribute(eAttribute, wsValue, true);
- pValue->SetString(wsValue.UTF8Encode().AsStringView());
+ pValue->SetString(GetAttribute(eAttribute).UTF8Encode().AsStringView());
}
void CJX_Node::Script_WsdlConnection_Execute(CFXJSE_Arguments* pArguments) {
@@ -1575,18 +1569,14 @@ void CJX_Node::Script_Som_BorderWidth(CFXJSE_Value* pValue,
return;
CXFA_BorderData borderData = pWidgetData->GetBorderData(true);
- int32_t iSize = borderData.CountEdges();
- WideString wsThickness;
if (bSetting) {
CXFA_Measurement thickness = borderData.GetEdgeData(0).GetMSThickness();
- thickness.ToString(&wsThickness);
-
- pValue->SetString(wsThickness.UTF8Encode().AsStringView());
+ pValue->SetString(thickness.ToString().UTF8Encode().AsStringView());
return;
}
- wsThickness = pValue->ToWideString();
- for (int32_t i = 0; i < iSize; ++i) {
+ WideString wsThickness = pValue->ToWideString();
+ for (int32_t i = 0; i < borderData.CountEdges(); ++i) {
borderData.GetEdgeData(i).SetMSThickness(
CXFA_Measurement(wsThickness.AsStringView()));
}
@@ -2801,9 +2791,9 @@ void CJX_Node::Script_Form_Checksum(CFXJSE_Value* pValue,
return;
}
- WideString wsChecksum;
- GetAttribute(XFA_Attribute::Checksum, wsChecksum, false);
- pValue->SetString(wsChecksum.UTF8Encode().AsStringView());
+ pdfium::Optional<WideString> checksum =
+ TryAttribute(XFA_Attribute::Checksum, false);
+ pValue->SetString(checksum ? checksum->UTF8Encode().AsStringView() : "");
}
void CJX_Node::Script_Packet_GetAttribute(CFXJSE_Arguments* pArguments) {
@@ -3461,13 +3451,17 @@ bool CJX_Node::SetContent(const WideString& wsContent,
case XFA_ObjectType::ContentNode: {
WideString wsContentType;
if (GetXFANode()->GetElementType() == XFA_Element::ExData) {
- GetAttribute(XFA_Attribute::ContentType, wsContentType, false);
+ pdfium::Optional<WideString> ret =
+ TryAttribute(XFA_Attribute::ContentType, false);
+ if (ret)
+ wsContentType = *ret;
if (wsContentType == L"text/html") {
wsContentType = L"";
SetAttribute(XFA_Attribute::ContentType, wsContentType.AsStringView(),
false);
}
}
+
CXFA_Node* pContentRawDataNode =
GetXFANode()->GetNodeItem(XFA_NODEITEM_FirstChild);
if (!pContentRawDataNode) {
@@ -3555,12 +3549,14 @@ pdfium::Optional<WideString> CJX_Node::TryContent(bool bScriptModify,
if (!pContentRawDataNode) {
XFA_Element element = XFA_Element::Sharptext;
if (GetXFANode()->GetElementType() == XFA_Element::ExData) {
- WideString wsContentType;
- GetAttribute(XFA_Attribute::ContentType, wsContentType, false);
- if (wsContentType == L"text/html")
- element = XFA_Element::SharpxHTML;
- else if (wsContentType == L"text/xml")
- element = XFA_Element::Sharpxml;
+ pdfium::Optional<WideString> contentType =
+ TryAttribute(XFA_Attribute::ContentType, false);
+ if (contentType) {
+ if (*contentType == L"text/html")
+ element = XFA_Element::SharpxHTML;
+ else if (*contentType == L"text/xml")
+ element = XFA_Element::Sharpxml;
+ }
}
pContentRawDataNode = GetXFANode()->CreateSamePacketNode(element);
GetXFANode()->InsertChild(pContentRawDataNode, nullptr);
diff --git a/fxjs/cjx_node.h b/fxjs/cjx_node.h
index fca3c9f8a7..81af0dfe73 100644
--- a/fxjs/cjx_node.h
+++ b/fxjs/cjx_node.h
@@ -47,10 +47,13 @@ class CJX_Node : public CJX_Object {
bool SetAttribute(const WideStringView& wsAttr,
const WideStringView& wsValue,
bool bNotify);
- bool GetAttribute(const WideStringView& wsAttr,
- WideString& wsValue,
- bool bUseDefault);
- bool GetAttribute(XFA_Attribute eAttr, WideString& wsValue, bool bUseDefault);
+ WideString GetAttribute(const WideStringView& attr);
+ WideString GetAttribute(XFA_Attribute attr);
+ pdfium::Optional<WideString> TryAttribute(const WideStringView& wsAttr,
+ bool bUseDefault);
+ pdfium::Optional<WideString> TryAttribute(XFA_Attribute eAttr,
+ bool bUseDefault);
+
bool SetAttributeValue(const WideString& wsValue,
const WideString& wsXMLValue,
bool bNotify,