public NamespaceEvent(NavigatorInput input)
{
Debug.Assert(input != null);
Debug.Assert(input.NodeType == XPathNodeType.Namespace);
_namespaceUri = input.Value;
_name = input.LocalName;
}
internal string GetSingleAttribute(string attributeAtom)
{
NavigatorInput input = Input !;
string element = input.LocalName;
string? value = null;
if (input.MoveToFirstAttribute())
{
do
{
string nspace = input.NamespaceURI;
string name = input.LocalName;
if (nspace.Length != 0)
{
continue;
}
if (Ref.Equal(name, attributeAtom))
{
value = input.Value;
}
else
{
if (!this.ForwardCompatibility)
{
throw XsltException.Create(SR.Xslt_InvalidAttribute, name, element);
}
}
}while (input.MoveToNextAttribute());
input.ToParent();
}
if (value == null)
{
throw XsltException.Create(SR.Xslt_MissingAttribute, attributeAtom);
}
return(value);
}
internal Stylesheet CompileImport(Compiler compiler, Uri uri, int id)
{
NavigatorInput input = compiler.ResolveDocument(uri);
compiler.PushInputDocument(input);
try {
compiler.PushStylesheet(new Stylesheet());
compiler.Stylesheetid = id;
CompileDocument(compiler, /*inInclude*/ false);
}
catch (XsltCompileException) {
throw;
}
catch (Exception e) {
throw new XsltCompileException(e, input.BaseURI, input.LineNumber, input.LinePosition);
}
finally {
compiler.PopInputDocument();
}
return(compiler.PopStylesheet());
}
internal void CompileSingleTemplate(Compiler compiler)
{
NavigatorInput input = compiler.Input;
//
// find mandatory version attribute and launch compilation of single template
//
string?version = null;
if (input.MoveToFirstAttribute())
{
do
{
string nspace = input.NamespaceURI;
string name = input.LocalName;
if (Ref.Equal(nspace, input.Atoms.UriXsl) &&
Ref.Equal(name, input.Atoms.Version))
{
version = input.Value;
}
}while (input.MoveToNextAttribute());
input.ToParent();
}
if (version == null)
{
if (Ref.Equal(input.LocalName, input.Atoms.Stylesheet) &&
input.NamespaceURI == XmlReservedNs.NsWdXsl)
{
throw XsltException.Create(SR.Xslt_WdXslNamespace);
}
throw XsltException.Create(SR.Xslt_WrongStylesheetElement);
}
compiler.AddTemplate(compiler.CreateSingleTemplateAction());
}
private void AnalyzePriority(Compiler compiler)
{
NavigatorInput input = compiler.Input;
if (!Double.IsNaN(this.priority) || this.matchKey == Compiler.InvalidQueryKey)
{
return;
}
// Split Unions:
TheQuery theQuery = (TheQuery)compiler.QueryStore[this.MatchKey];
CompiledXpathExpr expr = (CompiledXpathExpr)theQuery.CompiledQuery;
Query query = expr.QueryTree;
UnionExpr union;
while ((union = query as UnionExpr) != null)
{
Debug.Assert(!(union.qy2 is UnionExpr), "only qy1 can be union");
TemplateAction copy = this.CloneWithoutName();
compiler.QueryStore.Add(new TheQuery(
new CompiledXpathExpr(union.qy2, expr.Expression, false),
theQuery._ScopeManager
));
copy.matchKey = compiler.QueryStore.Count - 1;
copy.priority = union.qy2.XsltDefaultPriority;
compiler.AddTemplate(copy);
query = union.qy1;
}
if (expr.QueryTree != query)
{
// query was splitted and we need create new TheQuery for this template
compiler.QueryStore[this.MatchKey] = new TheQuery(
new CompiledXpathExpr(query, expr.Expression, false),
theQuery._ScopeManager
);
}
this.priority = query.XsltDefaultPriority;
}
public void CompileAttributes(Compiler compiler)
{
NavigatorInput input = compiler.Input;
string element = input.LocalName;
if (input.MoveToFirstAttribute())
{
do
{
if (input.NamespaceURI.Length != 0)
{
continue;
}
try
{
if (CompileAttribute(compiler) == false)
{
throw XsltException.Create(SR.Xslt_InvalidAttribute, input.LocalName, element);
}
}
catch
{
if (!compiler.ForwardCompatibility)
{
throw;
}
else
{
// In ForwardCompatibility mode we ignoreing all unknown or incorrect attributes
// If it's mandatory attribute we'll notice it absence later.
}
}
}while (input.MoveToNextAttribute());
input.ToParent();
}
}
internal void PopInputDocument()
{
Debug.Assert(_input != null);
Debug.Assert(_input.Atoms == _atoms);
NavigatorInput lastInput = _input;
_input = lastInput.Next;
lastInput.Next = null;
if (_input != null)
{
_atoms = _input.Atoms;
_scopeManager = _input.InputScopeManager;
}
else
{
_atoms = null;
_scopeManager = null;
}
RemoveDocumentURI(lastInput.Href);
lastInput.Close();
}
internal void PopInputDocument()
{
Debug.Assert(this.input != null);
Debug.Assert(this.input.Atoms == this.atoms);
NavigatorInput lastInput = this.input;
this.input = lastInput.Next;
lastInput.Next = null;
if (this.input != null)
{
this.atoms = this.input.Atoms;
this.scopeManager = this.input.InputScopeManager;
}
else
{
this.atoms = null;
this.scopeManager = null;
}
RemoveDocumentURI(lastInput.Href);
lastInput.Close();
}
internal void PopInputDocument()
{
Debug.Assert(_input != null);
Debug.Assert(_input.Atoms == _atoms);
NavigatorInput lastInput = _input;
_input = lastInput.Next;
lastInput.Next = null;
if (_input != null)
{
_atoms = _input.Atoms;
_scopeManager = _input.InputScopeManager;
}
else
{
_atoms = null;
_scopeManager = null;
}
RemoveDocumentURI(lastInput.Href);
lastInput.Close();
}
internal void PushInputDocument(NavigatorInput newInput)
{
Debug.Assert(newInput != null);
string inputUri = newInput.Href;
AddDocumentURI(inputUri);
newInput.Next = _input;
_input = newInput;
_atoms = _input.Atoms;
_scopeManager = _input.InputScopeManager;
}
//
// The World of Compile
//
internal void Compile(NavigatorInput input, XmlResolver xmlResolver)
{
Debug.Assert(input != null);
Debug.Assert(xmlResolver != null);
// Debug.Assert(evidence != null); -- default evidence is null now
Debug.Assert(_input == null && _atoms == null);
_xmlResolver = xmlResolver;
PushInputDocument(input);
_rootScope = _scopeManager.PushScope();
_queryStore = new List<TheQuery>();
try
{
this.rootStylesheet = new Stylesheet();
PushStylesheet(this.rootStylesheet);
Debug.Assert(_input != null && _atoms != null);
try
{
this.CreateRootAction();
}
catch (XsltCompileException)
{
throw;
}
catch (Exception e)
{
throw new XsltCompileException(e, this.Input.BaseURI, this.Input.LineNumber, this.Input.LinePosition);
}
this.stylesheet.ProcessTemplates();
_rootAction.PorcessAttributeSets(this.rootStylesheet);
this.stylesheet.SortWhiteSpace();
if (_globalNamespaceAliasTable != null)
{
this.stylesheet.ReplaceNamespaceAlias(this);
_rootAction.ReplaceNamespaceAlias(this);
}
}
finally
{
PopInputDocument();
}
Debug.Assert(_rootAction != null);
Debug.Assert(this.stylesheet != null);
Debug.Assert(_queryStore != null);
Debug.Assert(_input == null && _atoms == null);
}
private void AddScript(Compiler compiler)
{
NavigatorInput input = compiler.Input;
ScriptingLanguage lang = ScriptingLanguage.JScript;
string? implementsNamespace = null;
if (input.MoveToFirstAttribute())
{
do
{
if (input.LocalName == input.Atoms.Language)
{
string langName = input.Value;
if (
string.Equals(langName, "jscript", StringComparison.OrdinalIgnoreCase) ||
string.Equals(langName, "javascript", StringComparison.OrdinalIgnoreCase)
)
{
lang = ScriptingLanguage.JScript;
}
else if (
string.Equals(langName, "c#", StringComparison.OrdinalIgnoreCase) ||
string.Equals(langName, "csharp", StringComparison.OrdinalIgnoreCase)
)
{
lang = ScriptingLanguage.CSharp;
}
else if (
string.Equals(langName, "vb", StringComparison.OrdinalIgnoreCase) ||
string.Equals(langName, "visualbasic", StringComparison.OrdinalIgnoreCase)
)
{
lang = ScriptingLanguage.VisualBasic;
}
else
{
throw XsltException.Create(SR.Xslt_ScriptInvalidLanguage, langName);
}
}
else if (input.LocalName == input.Atoms.ImplementsPrefix)
{
if (!PrefixQName.ValidatePrefix(input.Value))
{
throw XsltException.Create(SR.Xslt_InvalidAttrValue, input.LocalName, input.Value);
}
implementsNamespace = compiler.ResolveXmlNamespace(input.Value);
}
}while (input.MoveToNextAttribute());
input.ToParent();
}
if (implementsNamespace == null)
{
throw XsltException.Create(SR.Xslt_MissingAttribute, input.Atoms.ImplementsPrefix);
}
if (!input.Recurse() || input.NodeType != XPathNodeType.Text)
{
throw XsltException.Create(SR.Xslt_ScriptEmpty);
}
compiler.AddScript(input.Value, lang, implementsNamespace, input.BaseURI, input.LineNumber);
input.ToParent();
}
private void CompileInstruction(Compiler compiler)
{
NavigatorInput input = compiler.Input;
CompiledAction?action = null;
Debug.Assert(Ref.Equal(input.NamespaceURI, input.Atoms.UriXsl));
string name = input.LocalName;
if (Ref.Equal(name, input.Atoms.ApplyImports))
{
action = compiler.CreateApplyImportsAction();
}
else if (Ref.Equal(name, input.Atoms.ApplyTemplates))
{
action = compiler.CreateApplyTemplatesAction();
}
else if (Ref.Equal(name, input.Atoms.Attribute))
{
action = compiler.CreateAttributeAction();
}
else if (Ref.Equal(name, input.Atoms.CallTemplate))
{
action = compiler.CreateCallTemplateAction();
}
else if (Ref.Equal(name, input.Atoms.Choose))
{
action = compiler.CreateChooseAction();
}
else if (Ref.Equal(name, input.Atoms.Comment))
{
action = compiler.CreateCommentAction();
}
else if (Ref.Equal(name, input.Atoms.Copy))
{
action = compiler.CreateCopyAction();
}
else if (Ref.Equal(name, input.Atoms.CopyOf))
{
action = compiler.CreateCopyOfAction();
}
else if (Ref.Equal(name, input.Atoms.Element))
{
action = compiler.CreateElementAction();
}
else if (Ref.Equal(name, input.Atoms.Fallback))
{
return;
}
else if (Ref.Equal(name, input.Atoms.ForEach))
{
action = compiler.CreateForEachAction();
}
else if (Ref.Equal(name, input.Atoms.If))
{
action = compiler.CreateIfAction(IfAction.ConditionType.ConditionIf);
}
else if (Ref.Equal(name, input.Atoms.Message))
{
action = compiler.CreateMessageAction();
}
else if (Ref.Equal(name, input.Atoms.Number))
{
action = compiler.CreateNumberAction();
}
else if (Ref.Equal(name, input.Atoms.ProcessingInstruction))
{
action = compiler.CreateProcessingInstructionAction();
}
else if (Ref.Equal(name, input.Atoms.Text))
{
action = compiler.CreateTextAction();
}
else if (Ref.Equal(name, input.Atoms.ValueOf))
{
action = compiler.CreateValueOfAction();
}
else if (Ref.Equal(name, input.Atoms.Variable))
{
action = compiler.CreateVariableAction(VariableType.LocalVariable);
}
else
{
if (compiler.ForwardCompatibility)
{
action = compiler.CreateNewInstructionAction();
}
else
{
throw compiler.UnexpectedKeyword();
}
}
Debug.Assert(action != null);
AddAction(action);
}
// SxS: This method does not take any resource name and does not expose any resources to the caller.
// It's OK to suppress the SxS warning.
protected void CompileTopLevelElements(Compiler compiler)
{
// Navigator positioned at parent root, need to move to child and then back
if (compiler.Recurse() == false)
{
return;
}
NavigatorInput input = compiler.Input;
bool notFirstElement = false;
do
{
switch (input.NodeType)
{
case XPathNodeType.Element:
string name = input.LocalName;
string nspace = input.NamespaceURI;
if (Ref.Equal(nspace, input.Atoms.UriXsl))
{
if (Ref.Equal(name, input.Atoms.Import))
{
if (notFirstElement)
{
throw XsltException.Create(SR.Xslt_NotFirstImport);
}
// We should compile imports in reverse order after all toplevel elements.
// remember it now and return to it in CompileImpoorts();
Uri uri = compiler.ResolveUri(compiler.GetSingleAttribute(compiler.Input.Atoms.Href));
string resolved = uri.ToString();
if (compiler.IsCircularReference(resolved))
{
throw XsltException.Create(SR.Xslt_CircularInclude, resolved);
}
compiler.CompiledStylesheet !.Imports.Add(uri);
CheckEmpty(compiler);
}
else if (Ref.Equal(name, input.Atoms.Include))
{
notFirstElement = true;
CompileInclude(compiler);
}
else
{
notFirstElement = true;
compiler.PushNamespaceScope();
if (Ref.Equal(name, input.Atoms.StripSpace))
{
CompileSpace(compiler, false);
}
else if (Ref.Equal(name, input.Atoms.PreserveSpace))
{
CompileSpace(compiler, true);
}
else if (Ref.Equal(name, input.Atoms.Output))
{
CompileOutput(compiler);
}
else if (Ref.Equal(name, input.Atoms.Key))
{
CompileKey(compiler);
}
else if (Ref.Equal(name, input.Atoms.DecimalFormat))
{
CompileDecimalFormat(compiler);
}
else if (Ref.Equal(name, input.Atoms.NamespaceAlias))
{
CompileNamespaceAlias(compiler);
}
else if (Ref.Equal(name, input.Atoms.AttributeSet))
{
compiler.AddAttributeSet(compiler.CreateAttributeSetAction());
}
else if (Ref.Equal(name, input.Atoms.Variable))
{
VariableAction?action = compiler.CreateVariableAction(VariableType.GlobalVariable);
if (action != null)
{
AddAction(action);
}
}
else if (Ref.Equal(name, input.Atoms.Param))
{
VariableAction?action = compiler.CreateVariableAction(VariableType.GlobalParameter);
if (action != null)
{
AddAction(action);
}
}
else if (Ref.Equal(name, input.Atoms.Template))
{
compiler.AddTemplate(compiler.CreateTemplateAction());
}
else
{
if (!compiler.ForwardCompatibility)
{
throw compiler.UnexpectedKeyword();
}
}
compiler.PopScope();
}
}
else if (nspace == input.Atoms.UrnMsxsl && name == input.Atoms.Script)
{
AddScript(compiler);
}
else
{
if (nspace.Length == 0)
{
throw XsltException.Create(SR.Xslt_NullNsAtTopLevel, input.Name);
}
// Ignoring non-recognized namespace per XSLT spec 2.2
}
break;
case XPathNodeType.ProcessingInstruction:
case XPathNodeType.Comment:
case XPathNodeType.Whitespace:
case XPathNodeType.SignificantWhitespace:
break;
default:
throw XsltException.Create(SR.Xslt_InvalidContents, "stylesheet");
}
}while (compiler.Advance());
compiler.ToParent();
}
internal void CompileStylesheetAttributes(Compiler compiler)
{
NavigatorInput input = compiler.Input;
string element = input.LocalName;
string? badAttribute = null;
string? version = null;
if (input.MoveToFirstAttribute())
{
do
{
string nspace = input.NamespaceURI;
string name = input.LocalName;
if (nspace.Length != 0)
{
continue;
}
if (Ref.Equal(name, input.Atoms.Version))
{
version = input.Value;
if (1 <= XmlConvert.ToXPathDouble(version))
{
compiler.ForwardCompatibility = (version != "1.0");
}
else
{
// XmlConvert.ToXPathDouble(version) an be NaN!
if (!compiler.ForwardCompatibility)
{
throw XsltException.Create(SR.Xslt_InvalidAttrValue, "version", version);
}
}
}
else if (Ref.Equal(name, input.Atoms.ExtensionElementPrefixes))
{
compiler.InsertExtensionNamespace(input.Value);
}
else if (Ref.Equal(name, input.Atoms.ExcludeResultPrefixes))
{
compiler.InsertExcludedNamespace(input.Value);
}
else if (Ref.Equal(name, input.Atoms.Id))
{
// Do nothing here.
}
else
{
// We can have version attribute later. For now remember this attribute and continue
badAttribute = name;
}
}while (input.MoveToNextAttribute());
input.ToParent();
}
if (version == null)
{
throw XsltException.Create(SR.Xslt_MissingAttribute, "version");
}
if (badAttribute != null && !compiler.ForwardCompatibility)
{
throw XsltException.Create(SR.Xslt_InvalidAttribute, badAttribute, element);
}
}
protected void CompileDecimalFormat(Compiler compiler)
{
NumberFormatInfo info = new NumberFormatInfo();
DecimalFormat format = new DecimalFormat(info, '#', '0', ';');
XmlQualifiedName?Name = null;
NavigatorInput input = compiler.Input;
if (input.MoveToFirstAttribute())
{
do
{
if (input.Prefix.Length != 0)
{
continue;
}
string name = input.LocalName;
string value = input.Value;
if (Ref.Equal(name, input.Atoms.Name))
{
Name = compiler.CreateXPathQName(value);
}
else if (Ref.Equal(name, input.Atoms.DecimalSeparator))
{
info.NumberDecimalSeparator = value;
}
else if (Ref.Equal(name, input.Atoms.GroupingSeparator))
{
info.NumberGroupSeparator = value;
}
else if (Ref.Equal(name, input.Atoms.Infinity))
{
info.PositiveInfinitySymbol = value;
}
else if (Ref.Equal(name, input.Atoms.MinusSign))
{
info.NegativeSign = value;
}
else if (Ref.Equal(name, input.Atoms.NaN))
{
info.NaNSymbol = value;
}
else if (Ref.Equal(name, input.Atoms.Percent))
{
info.PercentSymbol = value;
}
else if (Ref.Equal(name, input.Atoms.PerMille))
{
info.PerMilleSymbol = value;
}
else if (Ref.Equal(name, input.Atoms.Digit))
{
if (CheckAttribute(value.Length == 1, compiler))
{
format.digit = value[0];
}
}
else if (Ref.Equal(name, input.Atoms.ZeroDigit))
{
if (CheckAttribute(value.Length == 1, compiler))
{
format.zeroDigit = value[0];
}
}
else if (Ref.Equal(name, input.Atoms.PatternSeparator))
{
if (CheckAttribute(value.Length == 1, compiler))
{
format.patternSeparator = value[0];
}
}
}while (input.MoveToNextAttribute());
input.ToParent();
}
info.NegativeInfinitySymbol = string.Concat(info.NegativeSign, info.PositiveInfinitySymbol);
if (Name == null)
{
Name = new XmlQualifiedName();
}
compiler.AddDecimalFormat(Name, format);
CheckEmpty(compiler);
}
private void CompileConditions(Compiler compiler)
{
NavigatorInput input = compiler.Input;
bool when = false;
bool otherwise = false;
do
{
switch (input.NodeType)
{
case XPathNodeType.Element:
compiler.PushNamespaceScope();
string nspace = input.NamespaceURI;
string name = input.LocalName;
if (Keywords.Equals(nspace, input.Atoms.XsltNamespace))
{
IfAction action = null;
if (Keywords.Equals(name, input.Atoms.When))
{
if (otherwise)
{
throw XsltException.Create(Res.Xslt_WhenAfterOtherwise);
}
action = compiler.CreateIfAction(IfAction.ConditionType.ConditionWhen);
when = true;
}
else if (Keywords.Equals(name, input.Atoms.Otherwise))
{
if (otherwise)
{
throw XsltException.Create(Res.Xslt_DupOtherwise);
}
action = compiler.CreateIfAction(IfAction.ConditionType.ConditionOtherwise);
otherwise = true;
}
else
{
throw compiler.UnexpectedKeyword();
}
AddAction(action);
}
else
{
throw compiler.UnexpectedKeyword();
}
compiler.PopScope();
break;
case XPathNodeType.Comment:
case XPathNodeType.ProcessingInstruction:
case XPathNodeType.Whitespace:
case XPathNodeType.SignificantWhitespace:
break;
default:
throw XsltException.Create(Res.Xslt_InvalidContents, Keywords.s_Choose);
}
}while (compiler.Advance());
if (!when)
{
throw XsltException.Create(Res.Xslt_NoWhen);
}
}
//
// The World of Compile
//
internal void Compile(NavigatorInput input, XmlResolver xmlResolver, Evidence evidence) {
#if DISABLE_CAS_USE
evidence = null;
#endif
Debug.Assert(input != null);
Debug.Assert(xmlResolver != null);
// Debug.Assert(evidence != null); -- default evidence is null now
Debug.Assert(this.input == null && this.atoms == null);
this.xmlResolver = xmlResolver;
PushInputDocument(input);
this.rootScope = this.scopeManager.PushScope();
this.queryStore = new List<TheQuery>();
try {
this.rootStylesheet = new Stylesheet();
PushStylesheet(this.rootStylesheet);
Debug.Assert(this.input != null && this.atoms != null);
try {
this.CreateRootAction();
}
catch (XsltCompileException) {
throw;
}
catch (Exception e) {
throw new XsltCompileException(e, this.Input.BaseURI, this.Input.LineNumber, this.Input.LinePosition);
}
this.stylesheet.ProcessTemplates();
this.rootAction.PorcessAttributeSets(this.rootStylesheet);
this.stylesheet.SortWhiteSpace();
#if !DISABLE_XSLT_SCRIPT
CompileScript(evidence);
#endif
if (evidence != null) {
this.rootAction.permissions = SecurityManager.GetStandardSandbox(evidence);
}
if (this.globalNamespaceAliasTable != null) {
this.stylesheet.ReplaceNamespaceAlias(this);
this.rootAction.ReplaceNamespaceAlias(this);
}
}
finally {
PopInputDocument();
}
Debug.Assert(this.rootAction != null);
Debug.Assert(this.stylesheet != null);
Debug.Assert(this.queryStore != null);
Debug.Assert(this.input == null && this.atoms == null);
}
//
// Constructor
//
internal NavigatorInput(XPathNavigator navigator, string baseUri, InputScope rootScope)
{
if (navigator == null)
{
throw new ArgumentNullException(nameof(navigator));
}
if (baseUri == null)
{
throw new ArgumentNullException(nameof(baseUri));
}
Debug.Assert(navigator.NameTable != null);
_Next = null;
_Href = baseUri;
_Atoms = new KeywordsTable(navigator.NameTable);
_Navigator = navigator;
_Manager = new InputScopeManager(_Navigator, rootScope);
_PositionInfo = PositionInfo.GetPositionInfo(_Navigator);
/*BeginReading:*/
AssertInput();
if (NodeType == XPathNodeType.Root)
{
_Navigator.MoveToFirstChild();
}
}
internal void PopInputDocument() {
Debug.Assert(this.input != null);
Debug.Assert(this.input.Atoms == this.atoms);
NavigatorInput lastInput = this.input;
this.input = lastInput.Next;
lastInput.Next = null;
if (this.input != null) {
this.atoms = this.input.Atoms;
this.scopeManager = this.input.InputScopeManager;
}
else {
this.atoms = null;
this.scopeManager = null;
}
RemoveDocumentURI(lastInput.Href);
lastInput.Close();
}