2016-08-16 21:33:44 +03:00
|
|
|
using System;
|
2016-03-22 23:02:25 +03:00
|
|
|
using System.Collections.Generic;
|
|
|
|
using System.Diagnostics;
|
|
|
|
using System.Linq;
|
|
|
|
using System.Xml;
|
|
|
|
using Xamarin.Forms.Internals;
|
|
|
|
|
|
|
|
namespace Xamarin.Forms.Xaml
|
|
|
|
{
|
|
|
|
internal interface INode
|
|
|
|
{
|
|
|
|
List<string> IgnorablePrefixes { get; set; }
|
|
|
|
|
|
|
|
IXmlNamespaceResolver NamespaceResolver { get; }
|
|
|
|
|
|
|
|
INode Parent { get; set; }
|
|
|
|
|
|
|
|
void Accept(IXamlNodeVisitor visitor, INode parentNode);
|
2016-08-16 21:33:44 +03:00
|
|
|
INode Clone();
|
2016-03-22 23:02:25 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
internal interface IValueNode : INode
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
internal interface IElementNode : INode, IListNode
|
|
|
|
{
|
|
|
|
Dictionary<XmlName, INode> Properties { get; }
|
|
|
|
|
|
|
|
List<XmlName> SkipProperties { get; }
|
|
|
|
|
|
|
|
INameScope Namescope { get; }
|
|
|
|
|
|
|
|
XmlType XmlType { get; }
|
|
|
|
|
|
|
|
string NamespaceURI { get; }
|
|
|
|
}
|
|
|
|
|
|
|
|
internal interface IListNode : INode
|
|
|
|
{
|
|
|
|
List<INode> CollectionItems { get; }
|
|
|
|
}
|
|
|
|
|
|
|
|
[DebuggerDisplay("{NamespaceUri}:{Name}")]
|
2016-11-15 22:39:48 +03:00
|
|
|
class XmlType
|
2016-03-22 23:02:25 +03:00
|
|
|
{
|
|
|
|
public XmlType(string namespaceUri, string name, IList<XmlType> typeArguments)
|
|
|
|
{
|
|
|
|
NamespaceUri = namespaceUri;
|
|
|
|
Name = name;
|
|
|
|
TypeArguments = typeArguments;
|
|
|
|
}
|
|
|
|
|
|
|
|
public string NamespaceUri { get; }
|
|
|
|
public string Name { get; }
|
2016-11-15 22:39:48 +03:00
|
|
|
public IList<XmlType> TypeArguments { get; }
|
2016-03-22 23:02:25 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
internal abstract class BaseNode : IXmlLineInfo, INode
|
|
|
|
{
|
|
|
|
protected BaseNode(IXmlNamespaceResolver namespaceResolver, int linenumber = -1, int lineposition = -1)
|
|
|
|
{
|
|
|
|
NamespaceResolver = namespaceResolver;
|
|
|
|
LineNumber = linenumber;
|
|
|
|
LinePosition = lineposition;
|
|
|
|
}
|
|
|
|
|
|
|
|
public IXmlNamespaceResolver NamespaceResolver { get; }
|
|
|
|
|
|
|
|
public abstract void Accept(IXamlNodeVisitor visitor, INode parentNode);
|
|
|
|
|
|
|
|
public INode Parent { get; set; }
|
|
|
|
|
|
|
|
public List<string> IgnorablePrefixes { get; set; }
|
|
|
|
|
|
|
|
public bool HasLineInfo()
|
|
|
|
{
|
|
|
|
return LineNumber >= 0 && LinePosition >= 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
public int LineNumber { get; set; }
|
|
|
|
|
|
|
|
public int LinePosition { get; set; }
|
2016-08-16 21:33:44 +03:00
|
|
|
|
|
|
|
public abstract INode Clone();
|
2016-03-22 23:02:25 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
[DebuggerDisplay("{Value}")]
|
|
|
|
internal class ValueNode : BaseNode, IValueNode
|
|
|
|
{
|
|
|
|
public ValueNode(object value, IXmlNamespaceResolver namespaceResolver, int linenumber = -1, int lineposition = -1)
|
|
|
|
: base(namespaceResolver, linenumber, lineposition)
|
|
|
|
{
|
|
|
|
Value = value;
|
|
|
|
}
|
|
|
|
|
|
|
|
public object Value { get; set; }
|
|
|
|
|
|
|
|
public override void Accept(IXamlNodeVisitor visitor, INode parentNode)
|
|
|
|
{
|
|
|
|
visitor.Visit(this, parentNode);
|
|
|
|
}
|
2016-08-16 21:33:44 +03:00
|
|
|
|
|
|
|
public override INode Clone()
|
|
|
|
{
|
|
|
|
return new ValueNode(Value, NamespaceResolver, LineNumber, LinePosition) {
|
|
|
|
IgnorablePrefixes = IgnorablePrefixes
|
|
|
|
};
|
|
|
|
}
|
2016-03-22 23:02:25 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
[DebuggerDisplay("{MarkupString}")]
|
|
|
|
internal class MarkupNode : BaseNode, IValueNode
|
|
|
|
{
|
|
|
|
public MarkupNode(string markupString, IXmlNamespaceResolver namespaceResolver, int linenumber = -1,
|
|
|
|
int lineposition = -1)
|
|
|
|
: base(namespaceResolver, linenumber, lineposition)
|
|
|
|
{
|
|
|
|
MarkupString = markupString;
|
|
|
|
}
|
|
|
|
|
|
|
|
public string MarkupString { get; }
|
|
|
|
|
|
|
|
public override void Accept(IXamlNodeVisitor visitor, INode parentNode)
|
|
|
|
{
|
|
|
|
visitor.Visit(this, parentNode);
|
|
|
|
}
|
2016-08-16 21:33:44 +03:00
|
|
|
|
|
|
|
public override INode Clone()
|
|
|
|
{
|
|
|
|
return new MarkupNode(MarkupString, NamespaceResolver, LineNumber, LinePosition) {
|
|
|
|
IgnorablePrefixes = IgnorablePrefixes
|
|
|
|
};
|
|
|
|
}
|
2016-03-22 23:02:25 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
internal class ElementNode : BaseNode, IValueNode, IElementNode
|
|
|
|
{
|
|
|
|
public ElementNode(XmlType type, string namespaceURI, IXmlNamespaceResolver namespaceResolver, int linenumber = -1,
|
|
|
|
int lineposition = -1)
|
|
|
|
: base(namespaceResolver, linenumber, lineposition)
|
|
|
|
{
|
|
|
|
Properties = new Dictionary<XmlName, INode>();
|
|
|
|
SkipProperties = new List<XmlName>();
|
|
|
|
CollectionItems = new List<INode>();
|
|
|
|
XmlType = type;
|
|
|
|
NamespaceURI = namespaceURI;
|
|
|
|
}
|
|
|
|
|
|
|
|
public Dictionary<XmlName, INode> Properties { get; }
|
|
|
|
|
|
|
|
public List<XmlName> SkipProperties { get; }
|
|
|
|
|
|
|
|
public List<INode> CollectionItems { get; }
|
|
|
|
|
|
|
|
public XmlType XmlType { get; }
|
|
|
|
|
|
|
|
public string NamespaceURI { get; }
|
|
|
|
|
|
|
|
public INameScope Namescope { get; set; }
|
|
|
|
|
|
|
|
public override void Accept(IXamlNodeVisitor visitor, INode parentNode)
|
|
|
|
{
|
|
|
|
if (!visitor.VisitChildrenFirst)
|
|
|
|
visitor.Visit(this, parentNode);
|
|
|
|
if ((!visitor.StopOnDataTemplate || !IsDataTemplate(this, parentNode)) &&
|
|
|
|
(!visitor.StopOnResourceDictionary || !IsResourceDictionary(this, parentNode)))
|
|
|
|
{
|
|
|
|
foreach (var node in Properties.Values.ToList())
|
|
|
|
node.Accept(visitor, this);
|
|
|
|
foreach (var node in CollectionItems)
|
|
|
|
node.Accept(visitor, this);
|
|
|
|
}
|
|
|
|
if (visitor.VisitChildrenFirst)
|
|
|
|
visitor.Visit(this, parentNode);
|
|
|
|
}
|
|
|
|
|
2016-04-18 00:59:44 +03:00
|
|
|
internal static bool IsDataTemplate(INode node, INode parentNode)
|
2016-03-22 23:02:25 +03:00
|
|
|
{
|
|
|
|
var parentElement = parentNode as IElementNode;
|
|
|
|
INode createContent;
|
|
|
|
if (parentElement != null && parentElement.Properties.TryGetValue(XmlName._CreateContent, out createContent) &&
|
|
|
|
createContent == node)
|
|
|
|
return true;
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2016-04-18 00:59:44 +03:00
|
|
|
internal static bool IsResourceDictionary(INode node, INode parentNode)
|
2016-03-22 23:02:25 +03:00
|
|
|
{
|
|
|
|
var enode = node as ElementNode;
|
|
|
|
return enode.XmlType.Name == "ResourceDictionary";
|
|
|
|
}
|
2016-08-16 21:33:44 +03:00
|
|
|
|
|
|
|
public override INode Clone()
|
|
|
|
{
|
|
|
|
var clone = new ElementNode(XmlType, NamespaceURI, NamespaceResolver, LineNumber, LinePosition) {
|
|
|
|
IgnorablePrefixes = IgnorablePrefixes
|
|
|
|
};
|
|
|
|
foreach (var kvp in Properties)
|
|
|
|
clone.Properties.Add(kvp.Key, kvp.Value.Clone());
|
|
|
|
foreach (var p in SkipProperties)
|
|
|
|
clone.SkipProperties.Add(p);
|
|
|
|
foreach (var p in CollectionItems)
|
|
|
|
clone.CollectionItems.Add(p.Clone());
|
|
|
|
return clone;
|
|
|
|
}
|
2016-03-22 23:02:25 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
internal abstract class RootNode : ElementNode
|
|
|
|
{
|
2016-04-12 19:46:39 +03:00
|
|
|
protected RootNode(XmlType xmlType, IXmlNamespaceResolver nsResolver) : base(xmlType, xmlType.NamespaceUri, nsResolver)
|
2016-03-22 23:02:25 +03:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
public override void Accept(IXamlNodeVisitor visitor, INode parentNode)
|
|
|
|
{
|
|
|
|
if (!visitor.VisitChildrenFirst)
|
|
|
|
visitor.Visit(this, parentNode);
|
2016-04-18 00:59:44 +03:00
|
|
|
if ((!visitor.StopOnDataTemplate || !IsDataTemplate(this, parentNode)) &&
|
|
|
|
(!visitor.StopOnResourceDictionary || !IsResourceDictionary(this, parentNode)))
|
|
|
|
{
|
|
|
|
foreach (var node in Properties.Values.ToList())
|
|
|
|
node.Accept(visitor, this);
|
|
|
|
foreach (var node in CollectionItems)
|
|
|
|
node.Accept(visitor, this);
|
|
|
|
}
|
2016-03-22 23:02:25 +03:00
|
|
|
if (visitor.VisitChildrenFirst)
|
|
|
|
visitor.Visit(this, parentNode);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
internal class ListNode : BaseNode, IListNode, IValueNode
|
|
|
|
{
|
|
|
|
public ListNode(IList<INode> nodes, IXmlNamespaceResolver namespaceResolver, int linenumber = -1,
|
|
|
|
int lineposition = -1) : base(namespaceResolver, linenumber, lineposition)
|
|
|
|
{
|
|
|
|
CollectionItems = nodes.ToList();
|
|
|
|
}
|
|
|
|
|
|
|
|
public XmlName XmlName { get; set; }
|
|
|
|
|
|
|
|
public List<INode> CollectionItems { get; set; }
|
|
|
|
|
|
|
|
public override void Accept(IXamlNodeVisitor visitor, INode parentNode)
|
|
|
|
{
|
|
|
|
if (!visitor.VisitChildrenFirst)
|
|
|
|
visitor.Visit(this, parentNode);
|
|
|
|
foreach (var node in CollectionItems)
|
|
|
|
node.Accept(visitor, this);
|
|
|
|
if (visitor.VisitChildrenFirst)
|
|
|
|
visitor.Visit(this, parentNode);
|
|
|
|
}
|
2016-08-16 21:33:44 +03:00
|
|
|
|
|
|
|
public override INode Clone()
|
|
|
|
{
|
|
|
|
var items = new List<INode>();
|
|
|
|
foreach (var p in CollectionItems)
|
|
|
|
items.Add(p.Clone());
|
|
|
|
return new ListNode(items, NamespaceResolver, LineNumber, LinePosition) {
|
|
|
|
IgnorablePrefixes = IgnorablePrefixes
|
|
|
|
};
|
|
|
|
}
|
2016-03-22 23:02:25 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
internal static class INodeExtensions
|
|
|
|
{
|
|
|
|
public static bool SkipPrefix(this INode node, string prefix)
|
|
|
|
{
|
|
|
|
do
|
|
|
|
{
|
|
|
|
if (node.IgnorablePrefixes != null && node.IgnorablePrefixes.Contains(prefix))
|
|
|
|
return true;
|
|
|
|
node = node.Parent;
|
|
|
|
} while (node != null);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|