public static XmlElement XslForEachGroup(this XmlElement element, XPathExpr selectXPath)
{
XmlElement copyOfElement = element.XslElement("for-each-group");
copyOfElement.AddAttributeWithValue("select", selectXPath);
return(copyOfElement);
}
public static XmlElement XslIf(this XmlElement element, XPathExpr test)
{
XmlElement valueOfElement = element.XslElement("if");
valueOfElement.AddAttributeWithValue("test", test);
return(valueOfElement);
}
public static XmlElement XslValueOf(this XmlElement element, XPathExpr selectXPath)
{
XmlElement valueOfElement = element.XslElement("value-of");
valueOfElement.AddAttributeWithValue("select", selectXPath);
return(valueOfElement);
}
public static XmlElement XslForEach(this XmlElement element, XPathExpr selectXPath)
{
XmlElement forEachElement = element.XslElement("for-each");
forEachElement.AddAttributeWithValue("select", selectXPath);
return(forEachElement);
}
public static XmlElement XslCopyOf(this XmlElement element, XPathExpr selectXPath)
{
XmlElement copyOfElement = element.XslElement("copy-of");
copyOfElement.AddAttributeWithValue("select", selectXPath);
return(copyOfElement);
}
public static XmlElement XslWhen(this XmlElement element, XPathExpr test)
{
XmlElement option = element.XslElement("when");
option.AddAttributeWithValue("test", test);
return(option);
}
private XPathExpr make_convert_operand(XPathExpr arg1, XPathExpr arg2)
{
throw new Exception();
//var args = new ArrayList();
//args.Add(arg1);
//args.Add(arg2);
//return make_function(new QName("fs", "convert-operand", OpFunctionLibrary.XPATH_OP_NS), args);
}
public static XmlElement XslVariable(this XmlElement element, string name, XPathExpr selectXPath)
{
XmlElement variableElement = element.XslElement("variable");
variableElement.AddAttributeWithValue("name", name);
if (selectXPath != null)
{
variableElement.AddAttributeWithValue("select", selectXPath);
}
return(variableElement);
}
public override object visit(XPathExpr e)
{
if (e.slashes() > 0)
{
throw new XPathParserException("Access to root node is not allowed (set by caller)");
}
do
{
e.expr().accept(this); // check the single step (may have filter with root access)
e = e.next(); // follow singly linked list of the path, it's all relative past the first one
} while (e != null);
return(null);
}
public static XmlElement XslTemplate(this XmlElement element, XPathExpr matchXPath, params string[] parameters)
{
XmlElement templateElement = element.XslElement("template");
templateElement.AddAttributeWithValue("match", matchXPath);
if (parameters != null)
{
foreach (string parameter in parameters)
{
XmlElement param = templateElement.XslElement("param");
param.AddAttributeWithValue("name", parameter);
}
}
return(templateElement);
}
private static XmlElement XslApplyTemplates(this XmlElement element, XPathExpr selectXPath, IEnumerable <TemplateParameter> parameters)
{
XmlElement applyTemplatesElement = element.XslElement("apply-templates");
applyTemplatesElement.AddAttributeWithValue("select", selectXPath);
if (parameters != null)
{
foreach (TemplateParameter keyValuePair in parameters)
{
XmlElement param = applyTemplatesElement.XslElement("with-param");
param.AddAttributeWithValue("name", keyValuePair.Name);
param.AddAttributeWithValue("select", keyValuePair.Value);
}
}
return(applyTemplatesElement);
}
// fs:fname( fs:convert-operand( fn:data(ARG1), 1.0E0 ),
// fs:convert-operand( fn:data(ARG2), 1.0E0 )
// )
private XPathExpr make_convert_binop(BinExpr e, XPathExpr convarg, QName name)
{
throw new Exception();
//ICollection args = normalize_bin_args(e);
//XPathExpr[] args_arr = new XPathExpr[2];
//int j = 0;
//for (IEnumerator i = args.GetEnumerator(); i.MoveNext();)
//{
// args_arr[j] = (XPathExpr) i.Current;
// j++;
//}
//var argsfname = new ArrayList();
//for (j = 0; j < 2; j++)
//{
// XPathExpr arg = make_convert_operand(args_arr[j], convarg);
// argsfname.Add(arg);
//}
//return make_function(name, argsfname);
}
/// <summary>
/// Validate an xpath expression.
/// </summary>
/// <param name="e">
/// is the expression. </param>
/// <returns> null. </returns>
public virtual object visit(XPathExpr e)
{
XPathExpr xp = e;
bool firstStep = true;
while (xp != null)
{
if (firstStep && xp.slashes() != 0)
{
_rootUsed = true;
}
firstStep = false;
StepExpr se = xp.expr();
if (se != null)
{
se.accept(this);
}
xp = xp.next();
}
return(null);
}
public static XmlElement XslApplyTemplates(this XmlElement element, XPathExpr selectXPath, params TemplateParameter[] parameters)
{
return(XslApplyTemplates(element, selectXPath, (IEnumerable <TemplateParameter>)parameters));
}
public static XmlAttribute XslGroupStartingWithAttribute(this XmlDocument document, XPathExpr value, bool consequentInOneGroup)
{
if (!consequentInOneGroup)
{
XmlAttribute xslGroupStartingWithAttribute = document.CreateAttribute("group-starting-with");
xslGroupStartingWithAttribute.Value = value;
return(xslGroupStartingWithAttribute);
}
else
{
XmlAttribute xslGroupStartingWithAttribute = document.CreateAttribute("group-starting-with");
xslGroupStartingWithAttribute.Value = string.Format("{0}[not(preceding-sibling::{0}[1] is preceding-sibling::*[1])]", value);
return(xslGroupStartingWithAttribute);
}
}
/// <param name="e">
/// is the xpath expression. </param>
/// <returns> result. </returns>
public virtual object visit(XPathExpr e)
{
XPathExpr xp = e;
int depth = 0; // indicates how many / we traversed
XPathExpr result = e;
while (xp != null)
{
int slashes = xp.slashes();
StepExpr se = xp.expr();
if (slashes == 1)
{
// this is a single slash and nothing else...
if (se == null)
{
return(make_root_self_node());
}
// /RelativePathExpr
if (depth == 0)
{
XPathExpr xpe = make_root_self_node();
xpe.set_next(e);
result = xpe;
}
}
if (slashes == 2)
{
// //RelativePathExpr
if (depth == 0)
{
XPathExpr desc = make_descendant_or_self();
desc.set_slashes(1);
e.set_slashes(1);
desc.set_next(e);
XPathExpr root_self = make_root_self_node();
root_self.set_next(desc);
return(root_self);
}
}
if (se != null)
{
se.accept(this);
}
XPathExpr next = xp.next();
// peek if the next guy will have 2 slashes...
if (next != null)
{
// StepExpr//StepExpr
if (next.slashes() == 2)
{
// create the node to stick between the
// slashes
XPathExpr desc = make_descendant_or_self();
desc.set_slashes(1);
// current node / desc / next
xp.set_next(desc);
desc.set_next(next);
next.set_slashes(1);
}
}
xp = next;
depth++;
}
return(result);
}
/// <param name="e">
/// is the xpath expression. </param>
/// <returns> result. </returns>
public virtual object visit(XPathExpr e)
{
e.expr().accept(this);
e.next().accept(this);
return(null);
}
public TemplateParameter(string name, XPathExpr value) : this()
{
Name = name;
Value = value;
}