QilStrConcatenator.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / XmlUtils / System / Xml / Xsl / Xslt / QilStrConcatenator.cs / 1 / QilStrConcatenator.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
using System.Diagnostics; 
using System.Xml; 
using System.Xml.Schema;
using System.Xml.Xsl.XPath; 
using System.Xml.Xsl.Qil;

namespace System.Xml.Xsl.Xslt {
 
    internal class QilStrConcatenator {
        private XPathQilFactory f; 
        private BufferBuilder   builder; 
        private QilList         concat;
        private bool inUse = false; 

        public QilStrConcatenator(XPathQilFactory f) {
            this.f  = f;
            builder = new BufferBuilder(); 
        }
 
        public void Reset() { 
            Debug.Assert(! inUse);
            inUse = true; 
            builder.Clear();
            concat = null;
        }
 
        private void FlushBuilder() {
            if (concat == null) { 
                concat = f.BaseFactory.Sequence(); 
            }
            if (builder.Length != 0) { 
                concat.Add(f.String(builder.ToString()));
                builder.Length = 0;
            }
        } 

        public void Append(string value) { 
            Debug.Assert(inUse, "Reset() wasn't called"); 
            builder.Append(value);
        } 

        public void Append(char value) {
            Debug.Assert(inUse, "Reset() wasn't called");
            builder.Append(value); 
        }
 
        public void Append(QilNode value) { 
            Debug.Assert(inUse, "Reset() wasn't called");
            if (value != null) { 
                Debug.Assert(value.XmlType.TypeCode == XmlTypeCode.String);
                if (value.NodeType == QilNodeType.LiteralString) {
                    builder.Append((string)(QilLiteral)value);
                } else { 
                    FlushBuilder();
                    concat.Add(value); 
                } 
            }
        } 

        public QilNode ToQil() {
            Debug.Assert(inUse); // If we want allow multiple calls to ToQil() this logic should be changed
            inUse = false; 
            if (concat == null) {
                return f.String(builder.ToString()); 
            } else { 
                FlushBuilder();
                return f.StrConcat(concat); 
            }
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
using System.Diagnostics; 
using System.Xml; 
using System.Xml.Schema;
using System.Xml.Xsl.XPath; 
using System.Xml.Xsl.Qil;

namespace System.Xml.Xsl.Xslt {
 
    internal class QilStrConcatenator {
        private XPathQilFactory f; 
        private BufferBuilder   builder; 
        private QilList         concat;
        private bool inUse = false; 

        public QilStrConcatenator(XPathQilFactory f) {
            this.f  = f;
            builder = new BufferBuilder(); 
        }
 
        public void Reset() { 
            Debug.Assert(! inUse);
            inUse = true; 
            builder.Clear();
            concat = null;
        }
 
        private void FlushBuilder() {
            if (concat == null) { 
                concat = f.BaseFactory.Sequence(); 
            }
            if (builder.Length != 0) { 
                concat.Add(f.String(builder.ToString()));
                builder.Length = 0;
            }
        } 

        public void Append(string value) { 
            Debug.Assert(inUse, "Reset() wasn't called"); 
            builder.Append(value);
        } 

        public void Append(char value) {
            Debug.Assert(inUse, "Reset() wasn't called");
            builder.Append(value); 
        }
 
        public void Append(QilNode value) { 
            Debug.Assert(inUse, "Reset() wasn't called");
            if (value != null) { 
                Debug.Assert(value.XmlType.TypeCode == XmlTypeCode.String);
                if (value.NodeType == QilNodeType.LiteralString) {
                    builder.Append((string)(QilLiteral)value);
                } else { 
                    FlushBuilder();
                    concat.Add(value); 
                } 
            }
        } 

        public QilNode ToQil() {
            Debug.Assert(inUse); // If we want allow multiple calls to ToQil() this logic should be changed
            inUse = false; 
            if (concat == null) {
                return f.String(builder.ToString()); 
            } else { 
                FlushBuilder();
                return f.StrConcat(concat); 
            }
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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