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authordan sinclair <dsinclair@chromium.org>2017-12-04 15:44:46 +0000
committerChromium commit bot <commit-bot@chromium.org>2017-12-04 15:44:46 +0000
commita827770faf5c3cfb157d59d401134e986dc4a18d (patch)
tree9c28f5cece852f498e74c945508d1456ad775a4b /xfa/fxfa/parser/cxfa_dataexporter.cpp
parentf2d7656f335cf38dfafb97370ffac38b9d4e3fc0 (diff)
downloadpdfium-a827770faf5c3cfb157d59d401134e986dc4a18d.tar.xz
Shuffle XFA code around
This CL moves some XFA code around to better match the files in which it is either used or defined. Change-Id: Iec3df187326e48189a048355a8bef76cccb4cdb4 Reviewed-on: https://pdfium-review.googlesource.com/20250 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Diffstat (limited to 'xfa/fxfa/parser/cxfa_dataexporter.cpp')
-rw-r--r--xfa/fxfa/parser/cxfa_dataexporter.cpp444
1 files changed, 1 insertions, 443 deletions
diff --git a/xfa/fxfa/parser/cxfa_dataexporter.cpp b/xfa/fxfa/parser/cxfa_dataexporter.cpp
index 02c316d920..2b5f3e6755 100644
--- a/xfa/fxfa/parser/cxfa_dataexporter.cpp
+++ b/xfa/fxfa/parser/cxfa_dataexporter.cpp
@@ -6,10 +6,6 @@
#include "xfa/fxfa/parser/cxfa_dataexporter.h"
-#include <vector>
-
-#include "core/fxcrt/cfx_memorystream.h"
-#include "core/fxcrt/cfx_widetextbuf.h"
#include "core/fxcrt/fx_codepage.h"
#include "core/fxcrt/xml/cfx_xmldoc.h"
#include "core/fxcrt/xml/cfx_xmlelement.h"
@@ -20,444 +16,6 @@
#include "xfa/fxfa/parser/cxfa_widgetdata.h"
#include "xfa/fxfa/parser/xfa_utils.h"
-namespace {
-
-constexpr const wchar_t kFormNS[] = L"http://www.xfa.org/schema/xfa-form/";
-
-WideString ExportEncodeAttribute(const WideString& str) {
- CFX_WideTextBuf textBuf;
- int32_t iLen = str.GetLength();
- for (int32_t i = 0; i < iLen; i++) {
- switch (str[i]) {
- case '&':
- textBuf << L"&amp;";
- break;
- case '<':
- textBuf << L"&lt;";
- break;
- case '>':
- textBuf << L"&gt;";
- break;
- case '\'':
- textBuf << L"&apos;";
- break;
- case '\"':
- textBuf << L"&quot;";
- break;
- default:
- textBuf.AppendChar(str[i]);
- }
- }
- return textBuf.MakeString();
-}
-
-bool IsXMLValidChar(wchar_t ch) {
- return ch == 0x09 || ch == 0x0A || ch == 0x0D ||
- (ch >= 0x20 && ch <= 0xD7FF) || (ch >= 0xE000 && ch <= 0xFFFD);
-}
-
-WideString ExportEncodeContent(const WideString& str) {
- CFX_WideTextBuf textBuf;
- int32_t iLen = str.GetLength();
- for (int32_t i = 0; i < iLen; i++) {
- wchar_t ch = str[i];
- if (!IsXMLValidChar(ch))
- continue;
-
- if (ch == '&') {
- textBuf << L"&amp;";
- } else if (ch == '<') {
- textBuf << L"&lt;";
- } else if (ch == '>') {
- textBuf << L"&gt;";
- } else if (ch == '\'') {
- textBuf << L"&apos;";
- } else if (ch == '\"') {
- textBuf << L"&quot;";
- } else if (ch == ' ') {
- if (i && str[i - 1] != ' ') {
- textBuf.AppendChar(' ');
- } else {
- textBuf << L"&#x20;";
- }
- } else {
- textBuf.AppendChar(str[i]);
- }
- }
- return textBuf.MakeString();
-}
-
-void SaveAttribute(CXFA_Node* pNode,
- XFA_Attribute eName,
- const WideString& wsName,
- bool bProto,
- WideString& wsOutput) {
- if (!bProto && !pNode->JSNode()->HasAttribute(eName))
- return;
-
- pdfium::Optional<WideString> value =
- pNode->JSNode()->TryAttribute(eName, false);
- if (!value)
- return;
-
- wsOutput += L" ";
- wsOutput += wsName;
- wsOutput += L"=\"";
- wsOutput += ExportEncodeAttribute(*value);
- wsOutput += L"\"";
-}
-
-bool AttributeSaveInDataModel(CXFA_Node* pNode, XFA_Attribute eAttribute) {
- bool bSaveInDataModel = false;
- if (pNode->GetElementType() != XFA_Element::Image)
- return bSaveInDataModel;
-
- CXFA_Node* pValueNode = pNode->GetNodeItem(XFA_NODEITEM_Parent);
- if (!pValueNode || pValueNode->GetElementType() != XFA_Element::Value)
- return bSaveInDataModel;
-
- CXFA_Node* pFieldNode = pValueNode->GetNodeItem(XFA_NODEITEM_Parent);
- if (pFieldNode && pFieldNode->GetBindData() &&
- eAttribute == XFA_Attribute::Href) {
- bSaveInDataModel = true;
- }
- return bSaveInDataModel;
-}
-
-bool ContentNodeNeedtoExport(CXFA_Node* pContentNode) {
- pdfium::Optional<WideString> wsContent =
- pContentNode->JSNode()->TryContent(false, false);
- if (!wsContent)
- return false;
-
- ASSERT(pContentNode->IsContentNode());
- CXFA_Node* pParentNode = pContentNode->GetNodeItem(XFA_NODEITEM_Parent);
- if (!pParentNode || pParentNode->GetElementType() != XFA_Element::Value)
- return true;
-
- CXFA_Node* pGrandParentNode = pParentNode->GetNodeItem(XFA_NODEITEM_Parent);
- if (!pGrandParentNode || !pGrandParentNode->IsContainerNode())
- return true;
- if (pGrandParentNode->GetBindData())
- return false;
-
- CXFA_WidgetData* pWidgetData = pGrandParentNode->GetWidgetData();
- XFA_Element eUIType = pWidgetData->GetUIType();
- if (eUIType == XFA_Element::PasswordEdit)
- return false;
- return true;
-}
-
-void RecognizeXFAVersionNumber(CXFA_Node* pTemplateRoot,
- WideString& wsVersionNumber) {
- wsVersionNumber.clear();
- if (!pTemplateRoot)
- return;
-
- pdfium::Optional<WideString> templateNS =
- pTemplateRoot->JSNode()->TryNamespace();
- if (!templateNS)
- return;
-
- XFA_VERSION eVersion =
- pTemplateRoot->GetDocument()->RecognizeXFAVersionNumber(*templateNS);
- if (eVersion == XFA_VERSION_UNKNOWN)
- eVersion = XFA_VERSION_DEFAULT;
-
- wsVersionNumber =
- WideString::Format(L"%i.%i", eVersion / 100, eVersion % 100);
-}
-
-void RegenerateFormFile_Changed(CXFA_Node* pNode,
- CFX_WideTextBuf& buf,
- bool bSaveXML) {
- WideString wsAttrs;
- for (size_t i = 0;; ++i) {
- XFA_Attribute attr = pNode->GetAttribute(i);
- if (attr == XFA_Attribute::Unknown)
- break;
-
- if (attr == XFA_Attribute::Name ||
- (AttributeSaveInDataModel(pNode, attr) && !bSaveXML)) {
- continue;
- }
- WideString wsAttr;
- SaveAttribute(pNode, attr, CXFA_Node::AttributeToName(attr), bSaveXML,
- wsAttr);
- wsAttrs += wsAttr;
- }
-
- WideString wsChildren;
- switch (pNode->GetObjectType()) {
- case XFA_ObjectType::ContentNode: {
- if (!bSaveXML && !ContentNodeNeedtoExport(pNode))
- break;
-
- CXFA_Node* pRawValueNode = pNode->GetNodeItem(XFA_NODEITEM_FirstChild);
- while (pRawValueNode &&
- pRawValueNode->GetElementType() != XFA_Element::SharpxHTML &&
- pRawValueNode->GetElementType() != XFA_Element::Sharptext &&
- pRawValueNode->GetElementType() != XFA_Element::Sharpxml) {
- pRawValueNode = pRawValueNode->GetNodeItem(XFA_NODEITEM_NextSibling);
- }
- if (!pRawValueNode)
- break;
-
- pdfium::Optional<WideString> contentType =
- pNode->JSNode()->TryAttribute(XFA_Attribute::ContentType, false);
- if (pRawValueNode->GetElementType() == XFA_Element::SharpxHTML &&
- (contentType && *contentType == L"text/html")) {
- CFX_XMLNode* pExDataXML = pNode->GetXMLMappingNode();
- if (!pExDataXML)
- break;
-
- CFX_XMLNode* pRichTextXML =
- pExDataXML->GetNodeItem(CFX_XMLNode::FirstChild);
- if (!pRichTextXML)
- break;
-
- auto pMemStream = pdfium::MakeRetain<CFX_MemoryStream>(true);
- auto pTempStream =
- pdfium::MakeRetain<CFX_SeekableStreamProxy>(pMemStream, true);
-
- pTempStream->SetCodePage(FX_CODEPAGE_UTF8);
- pRichTextXML->SaveXMLNode(pTempStream);
- wsChildren += WideString::FromUTF8(
- ByteStringView(pMemStream->GetBuffer(), pMemStream->GetSize()));
- } else if (pRawValueNode->GetElementType() == XFA_Element::Sharpxml &&
- (contentType && *contentType == L"text/xml")) {
- pdfium::Optional<WideString> rawValue =
- pRawValueNode->JSNode()->TryAttribute(XFA_Attribute::Value, false);
- if (!rawValue || rawValue->IsEmpty())
- break;
-
- std::vector<WideString> wsSelTextArray;
- size_t iStart = 0;
- auto iEnd = rawValue->Find(L'\n', iStart);
- iEnd = !iEnd.has_value() ? rawValue->GetLength() : iEnd;
- while (iEnd.has_value() && iEnd >= iStart) {
- wsSelTextArray.push_back(
- rawValue->Mid(iStart, iEnd.value() - iStart));
- iStart = iEnd.value() + 1;
- if (iStart >= rawValue->GetLength())
- break;
- iEnd = rawValue->Find(L'\n', iStart);
- }
-
- CXFA_Node* pParentNode = pNode->GetNodeItem(XFA_NODEITEM_Parent);
- ASSERT(pParentNode);
- CXFA_Node* pGrandparentNode =
- pParentNode->GetNodeItem(XFA_NODEITEM_Parent);
- ASSERT(pGrandparentNode);
- WideString bodyTagName;
- bodyTagName = pGrandparentNode->JSNode()->GetCData(XFA_Attribute::Name);
- if (bodyTagName.IsEmpty())
- bodyTagName = L"ListBox1";
-
- buf << L"<";
- buf << bodyTagName;
- buf << L" xmlns=\"\"\n>";
- for (int32_t i = 0; i < pdfium::CollectionSize<int32_t>(wsSelTextArray);
- i++) {
- buf << L"<value\n>";
- buf << ExportEncodeContent(wsSelTextArray[i]);
- buf << L"</value\n>";
- }
- buf << L"</";
- buf << bodyTagName;
- buf << L"\n>";
- wsChildren += buf.AsStringView();
- buf.Clear();
- } else {
- WideString wsValue =
- pRawValueNode->JSNode()->GetCData(XFA_Attribute::Value);
- wsChildren += ExportEncodeContent(wsValue);
- }
- break;
- }
- case XFA_ObjectType::TextNode:
- case XFA_ObjectType::NodeC:
- case XFA_ObjectType::NodeV: {
- WideString wsValue = pNode->JSNode()->GetCData(XFA_Attribute::Value);
- wsChildren += ExportEncodeContent(wsValue);
- break;
- }
- default:
- if (pNode->GetElementType() == XFA_Element::Items) {
- CXFA_Node* pTemplateNode = pNode->GetTemplateNode();
- if (!pTemplateNode ||
- pTemplateNode->CountChildren(XFA_Element::Unknown, false) !=
- pNode->CountChildren(XFA_Element::Unknown, false)) {
- bSaveXML = true;
- }
- }
- CFX_WideTextBuf newBuf;
- CXFA_Node* pChildNode = pNode->GetNodeItem(XFA_NODEITEM_FirstChild);
- while (pChildNode) {
- RegenerateFormFile_Changed(pChildNode, newBuf, bSaveXML);
- wsChildren += newBuf.AsStringView();
- newBuf.Clear();
- pChildNode = pChildNode->GetNodeItem(XFA_NODEITEM_NextSibling);
- }
- if (!bSaveXML && !wsChildren.IsEmpty() &&
- pNode->GetElementType() == XFA_Element::Items) {
- wsChildren.clear();
- bSaveXML = true;
- CXFA_Node* pChild = pNode->GetNodeItem(XFA_NODEITEM_FirstChild);
- while (pChild) {
- RegenerateFormFile_Changed(pChild, newBuf, bSaveXML);
- wsChildren += newBuf.AsStringView();
- newBuf.Clear();
- pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling);
- }
- }
- break;
- }
-
- if (!wsChildren.IsEmpty() || !wsAttrs.IsEmpty() ||
- pNode->JSNode()->HasAttribute(XFA_Attribute::Name)) {
- WideStringView wsElement = pNode->GetClassName();
- WideString wsName;
- SaveAttribute(pNode, XFA_Attribute::Name, L"name", true, wsName);
- buf << L"<";
- buf << wsElement;
- buf << wsName;
- buf << wsAttrs;
- if (wsChildren.IsEmpty()) {
- buf << L"\n/>";
- } else {
- buf << L"\n>";
- buf << wsChildren;
- buf << L"</";
- buf << wsElement;
- buf << L"\n>";
- }
- }
-}
-
-void RegenerateFormFile_Container(
- CXFA_Node* pNode,
- const RetainPtr<CFX_SeekableStreamProxy>& pStream,
- bool bSaveXML) {
- XFA_Element eType = pNode->GetElementType();
- if (eType == XFA_Element::Field || eType == XFA_Element::Draw ||
- !pNode->IsContainerNode()) {
- CFX_WideTextBuf buf;
- RegenerateFormFile_Changed(pNode, buf, bSaveXML);
- size_t nLen = buf.GetLength();
- if (nLen > 0)
- pStream->WriteString(buf.AsStringView());
- return;
- }
-
- WideStringView wsElement(pNode->GetClassName());
- pStream->WriteString(L"<");
- pStream->WriteString(wsElement);
-
- WideString wsOutput;
- SaveAttribute(pNode, XFA_Attribute::Name, L"name", true, wsOutput);
-
- WideString wsAttrs;
- for (size_t i = 0;; ++i) {
- XFA_Attribute attr = pNode->GetAttribute(i);
- if (attr == XFA_Attribute::Unknown)
- break;
- if (attr == XFA_Attribute::Name)
- continue;
-
- WideString wsAttr;
- SaveAttribute(pNode, attr, CXFA_Node::AttributeToName(attr), false, wsAttr);
- wsOutput += wsAttr;
- }
-
- if (!wsOutput.IsEmpty())
- pStream->WriteString(wsOutput.AsStringView());
-
- CXFA_Node* pChildNode = pNode->GetNodeItem(XFA_NODEITEM_FirstChild);
- if (pChildNode) {
- pStream->WriteString(L"\n>");
- while (pChildNode) {
- RegenerateFormFile_Container(pChildNode, pStream, bSaveXML);
- pChildNode = pChildNode->GetNodeItem(XFA_NODEITEM_NextSibling);
- }
- pStream->WriteString(L"</");
- pStream->WriteString(wsElement);
- pStream->WriteString(L"\n>");
- } else {
- pStream->WriteString(L"\n/>");
- }
-}
-
-} // namespace
-
-void XFA_DataExporter_RegenerateFormFile(
- CXFA_Node* pNode,
- const RetainPtr<CFX_SeekableStreamProxy>& pStream,
- const char* pChecksum,
- bool bSaveXML) {
- if (pNode->IsModelNode()) {
- pStream->WriteString(L"<form");
- if (pChecksum) {
- WideString wsChecksum = WideString::FromUTF8(pChecksum);
- pStream->WriteString(L" checksum=\"");
- pStream->WriteString(wsChecksum.AsStringView());
- pStream->WriteString(L"\"");
- }
- pStream->WriteString(L" xmlns=\"");
- pStream->WriteString(WideStringView(kFormNS));
-
- WideString wsVersionNumber;
- RecognizeXFAVersionNumber(
- ToNode(pNode->GetDocument()->GetXFAObject(XFA_HASHCODE_Template)),
- wsVersionNumber);
- if (wsVersionNumber.IsEmpty())
- wsVersionNumber = L"2.8";
-
- wsVersionNumber += L"/\"\n>";
- pStream->WriteString(wsVersionNumber.AsStringView());
-
- CXFA_Node* pChildNode = pNode->GetNodeItem(XFA_NODEITEM_FirstChild);
- while (pChildNode) {
- RegenerateFormFile_Container(pChildNode, pStream, false);
- pChildNode = pChildNode->GetNodeItem(XFA_NODEITEM_NextSibling);
- }
- pStream->WriteString(L"</form\n>");
- } else {
- RegenerateFormFile_Container(pNode, pStream, bSaveXML);
- }
-}
-
-void XFA_DataExporter_DealWithDataGroupNode(CXFA_Node* pDataNode) {
- if (!pDataNode || pDataNode->GetElementType() == XFA_Element::DataValue)
- return;
-
- int32_t iChildNum = 0;
- for (CXFA_Node* pChildNode = pDataNode->GetNodeItem(XFA_NODEITEM_FirstChild);
- pChildNode;
- pChildNode = pChildNode->GetNodeItem(XFA_NODEITEM_NextSibling)) {
- iChildNum++;
- XFA_DataExporter_DealWithDataGroupNode(pChildNode);
- }
-
- if (pDataNode->GetElementType() != XFA_Element::DataGroup)
- return;
-
- if (iChildNum > 0) {
- CFX_XMLNode* pXMLNode = pDataNode->GetXMLMappingNode();
- ASSERT(pXMLNode->GetType() == FX_XMLNODE_Element);
- CFX_XMLElement* pXMLElement = static_cast<CFX_XMLElement*>(pXMLNode);
- if (pXMLElement->HasAttribute(L"xfa:dataNode"))
- pXMLElement->RemoveAttribute(L"xfa:dataNode");
-
- return;
- }
-
- CFX_XMLNode* pXMLNode = pDataNode->GetXMLMappingNode();
- ASSERT(pXMLNode->GetType() == FX_XMLNODE_Element);
- static_cast<CFX_XMLElement*>(pXMLNode)->SetString(L"xfa:dataNode",
- L"dataGroup");
-}
-
CXFA_DataExporter::CXFA_DataExporter(CXFA_Document* pDocument)
: m_pDocument(pDocument) {
ASSERT(m_pDocument);
@@ -513,7 +71,7 @@ bool CXFA_DataExporter::Export(
break;
}
case XFA_PacketType::Form: {
- XFA_DataExporter_RegenerateFormFile(pNode, pStream, pChecksum);
+ XFA_DataExporter_RegenerateFormFile(pNode, pStream, pChecksum, false);
break;
}
case XFA_PacketType::Template: