Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / Runtime / XmlSortKeyAccumulator.cs / 1305376 / XmlSortKeyAccumulator.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- using System; using System.Diagnostics; using System.Globalization; using System.ComponentModel; namespace System.Xml.Xsl.Runtime { ////// Accumulates a list of sort keys and stores them in an array. /// [EditorBrowsable(EditorBrowsableState.Never)] public struct XmlSortKeyAccumulator { private XmlSortKey[] keys; private int pos; #if DEBUG private const int DefaultSortKeyCount = 4; #else private const int DefaultSortKeyCount = 64; #endif ////// Initialize the XmlSortKeyAccumulator. /// public void Create() { if (this.keys == null) this.keys = new XmlSortKey[DefaultSortKeyCount]; this.pos = 0; this.keys[0] = null; } ////// Create a new sort key and append it to the current run of sort keys. /// public void AddStringSortKey(XmlCollation collation, string value) { AppendSortKey(collation.CreateSortKey(value)); } public void AddDecimalSortKey(XmlCollation collation, decimal value) { AppendSortKey(new XmlDecimalSortKey(value, collation)); } public void AddIntegerSortKey(XmlCollation collation, long value) { AppendSortKey(new XmlIntegerSortKey(value, collation)); } public void AddIntSortKey(XmlCollation collation, int value) { AppendSortKey(new XmlIntSortKey(value, collation)); } public void AddDoubleSortKey(XmlCollation collation, double value) { AppendSortKey(new XmlDoubleSortKey(value, collation)); } public void AddDateTimeSortKey(XmlCollation collation, DateTime value) { AppendSortKey(new XmlDateTimeSortKey(value, collation)); } public void AddEmptySortKey(XmlCollation collation) { AppendSortKey(new XmlEmptySortKey(collation)); } ////// Finish creating the current run of sort keys and begin a new run. /// public void FinishSortKeys() { this.pos++; if (this.pos >= this.keys.Length) { XmlSortKey[] keysNew = new XmlSortKey[this.pos * 2]; Array.Copy(this.keys, 0, keysNew, 0, this.keys.Length); this.keys = keysNew; } this.keys[this.pos] = null; } ////// Append new sort key to the current run of sort keys. /// private void AppendSortKey(XmlSortKey key) { // Ensure that sort will be stable by setting index of key key.Priority = this.pos; if (this.keys[this.pos] == null) this.keys[this.pos] = key; else this.keys[this.pos].AddSortKey(key); } ////// Get array of sort keys that was constructed by this internal class. /// public Array Keys { get { return this.keys; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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