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//------------------------------------------------------------------------------
// <copyright file="Stylesheet.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------
using System.Collections.Generic;
using System.Diagnostics;
using System.Xml.Xsl.Qil;
namespace System.Xml.Xsl.Xslt {
internal class StylesheetLevel {
public Stylesheet[] Imports = null;
// If (this is Stylesheet) {
// ModeFlags and ApplyFunctions are abblout apply-imports
// } else {
// ModeFlags and ApplyFunctions are abblout apply-templates
// }
// mode -> FocusFlags; Used to generate and call apply-imports/apply-template functions
public Dictionary<QilName, XslFlags> ModeFlags = new Dictionary<QilName, XslFlags>();
// mode -> xsl:apply-import functions for that mode
public Dictionary<QilName, List<QilFunction>> ApplyFunctions = new Dictionary<QilName, List<QilFunction>>();
}
internal class Stylesheet : StylesheetLevel {
private Compiler compiler;
public List<Uri> ImportHrefs = new List<Uri>();
public List<XslNode> GlobalVarPars = new List<XslNode>();
// xsl:attribute-set/@name -> AttributeSet
public Dictionary<QilName, AttributeSet> AttributeSets = new Dictionary<QilName, AttributeSet>();
private int importPrecedence;
private int orderNumber = 0;
/*
WhitespaceRules[0] - rules with default priority 0
WhitespaceRules[1] - rules with default priority -0.25
WhitespaceRules[2] - rules with default priority -0.5
*/
public List<WhitespaceRule>[] WhitespaceRules = new List<WhitespaceRule>[3];
public List<Template> Templates = new List<Template>(); // Templates defined on this level. Empty for RootLevel.
// xsl:template/@mode -> list of @match'es
public Dictionary<QilName, List<TemplateMatch>> TemplateMatches = new Dictionary<QilName, List<TemplateMatch>>();
public void AddTemplateMatch(Template template, QilLoop filter) {
List<TemplateMatch> matchesForMode;
if (!TemplateMatches.TryGetValue(template.Mode, out matchesForMode)) {
matchesForMode = TemplateMatches[template.Mode] = new List<TemplateMatch>();
}
matchesForMode.Add(new TemplateMatch(template, filter));
}
public void SortTemplateMatches() {
foreach (QilName mode in TemplateMatches.Keys) {
TemplateMatches[mode].Sort(TemplateMatch.Comparer);
}
}
public Stylesheet(Compiler compiler, int importPrecedence) {
this.compiler = compiler;
this.importPrecedence = importPrecedence;
WhitespaceRules[0] = new List<WhitespaceRule>();
WhitespaceRules[1] = new List<WhitespaceRule>();
WhitespaceRules[2] = new List<WhitespaceRule>();
}
public int ImportPrecedence { get { return importPrecedence; } }
public void AddWhitespaceRule(int index, WhitespaceRule rule) {
WhitespaceRules[index].Add(rule);
}
public bool AddVarPar(VarPar var) {
Debug.Assert(var.NodeType == XslNodeType.Variable || var.NodeType == XslNodeType.Param);
Debug.Assert(var.Name.NamespaceUri != null, "Name must be resolved in XsltLoader");
foreach (XslNode prevVar in GlobalVarPars) {
if (prevVar.Name.Equals(var.Name)) {
// [ERR XT0630] It is a static error if a stylesheet contains more than one binding
// of a global variable with the same name and same import precedence, unless it also
// contains another binding with the same name and higher import precedence.
return compiler.AllGlobalVarPars.ContainsKey(var.Name);
}
}
GlobalVarPars.Add(var);
return true;
}
public bool AddTemplate(Template template) {
Debug.Assert(template.ImportPrecedence == 0);
template.ImportPrecedence = this.importPrecedence;
template.OrderNumber = this.orderNumber++;
compiler.AllTemplates.Add(template);
if (template.Name != null) {
Template old;
if (!compiler.NamedTemplates.TryGetValue(template.Name, out old)) {
compiler.NamedTemplates[template.Name] = template;
} else {
Debug.Assert(template.ImportPrecedence <= old.ImportPrecedence, "Global objects are processed in order of decreasing import precedence");
if (old.ImportPrecedence == template.ImportPrecedence) {
return false;
}
}
}
if (template.Match != null) {
Templates.Add(template);
}
return true;
}
}
}
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