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Large XML Files Processing and Indexing

, 14 Nov 2008
Index large XML file for fast access. Use IO and XMLReader for parsing with Regex.
namespace FileContextIndexer {
    partial class Form1 {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing) {
            if (disposing && (components != null)) {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent() {
            this.btnIndex = new System.Windows.Forms.Button();
            this.openFileDlg = new System.Windows.Forms.OpenFileDialog();
            this.txtNode = new System.Windows.Forms.TextBox();
            this.label1 = new System.Windows.Forms.Label();
            this.btnReadIndexed = new System.Windows.Forms.Button();
            this.txtPos = new System.Windows.Forms.TextBox();
            this.tbOutput = new System.Windows.Forms.RichTextBox();
            this.label3 = new System.Windows.Forms.Label();
            this.label2 = new System.Windows.Forms.Label();
            this.txtCondition = new System.Windows.Forms.TextBox();
            this.label4 = new System.Windows.Forms.Label();
            this.SuspendLayout();
            // 
            // btnIndex
            // 
            this.btnIndex.Location = new System.Drawing.Point(365, 6);
            this.btnIndex.Name = "btnIndex";
            this.btnIndex.Size = new System.Drawing.Size(151, 43);
            this.btnIndex.TabIndex = 0;
            this.btnIndex.Text = "Index XML File";
            this.btnIndex.UseVisualStyleBackColor = true;
            this.btnIndex.Click += new System.EventHandler(this.btnIndex_Click);
            // 
            // openFileDlg
            // 
            this.openFileDlg.FileName = global::FileContextIndexer.Properties.Settings.Default.HXML;
            this.openFileDlg.Filter = "xml|*.xml";
            this.openFileDlg.InitialDirectory = global::FileContextIndexer.Properties.Settings.Default.C;
            this.openFileDlg.Title = "Huge XML Selector";
            // 
            // txtNode
            // 
            this.txtNode.Location = new System.Drawing.Point(107, 6);
            this.txtNode.Name = "txtNode";
            this.txtNode.Size = new System.Drawing.Size(250, 20);
            this.txtNode.TabIndex = 2;
            this.txtNode.Text = "INVOICE";
            // 
            // label1
            // 
            this.label1.AutoSize = true;
            this.label1.Location = new System.Drawing.Point(12, 9);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(89, 13);
            this.label1.TabIndex = 3;
            this.label1.Text = "Node to Index on";
            // 
            // btnReadIndexed
            // 
            this.btnReadIndexed.Enabled = false;
            this.btnReadIndexed.Location = new System.Drawing.Point(299, 336);
            this.btnReadIndexed.Name = "btnReadIndexed";
            this.btnReadIndexed.Size = new System.Drawing.Size(215, 39);
            this.btnReadIndexed.TabIndex = 6;
            this.btnReadIndexed.Text = "Read";
            this.btnReadIndexed.UseVisualStyleBackColor = true;
            this.btnReadIndexed.Click += new System.EventHandler(this.btnReadIndexed_Click);
            // 
            // txtPos
            // 
            this.txtPos.Location = new System.Drawing.Point(11, 352);
            this.txtPos.Name = "txtPos";
            this.txtPos.Size = new System.Drawing.Size(221, 20);
            this.txtPos.TabIndex = 7;
            // 
            // tbOutput
            // 
            this.tbOutput.Location = new System.Drawing.Point(12, 68);
            this.tbOutput.Name = "tbOutput";
            this.tbOutput.Size = new System.Drawing.Size(503, 255);
            this.tbOutput.TabIndex = 8;
            this.tbOutput.Text = "";
            // 
            // label3
            // 
            this.label3.AutoSize = true;
            this.label3.Location = new System.Drawing.Point(12, 336);
            this.label3.Name = "label3";
            this.label3.Size = new System.Drawing.Size(133, 13);
            this.label3.TabIndex = 9;
            this.label3.Text = "Position in Copied File: (int)";
            // 
            // label2
            // 
            this.label2.AutoSize = true;
            this.label2.Location = new System.Drawing.Point(15, 32);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(86, 13);
            this.label2.TabIndex = 10;
            this.label2.Text = "XPath Condition:";
            // 
            // txtCondition
            // 
            this.txtCondition.Location = new System.Drawing.Point(107, 29);
            this.txtCondition.Name = "txtCondition";
            this.txtCondition.Size = new System.Drawing.Size(250, 20);
            this.txtCondition.TabIndex = 11;
            this.txtCondition.Text = "//./@ID";
            // 
            // label4
            // 
            this.label4.AutoSize = true;
            this.label4.Location = new System.Drawing.Point(12, 52);
            this.label4.Name = "label4";
            this.label4.Size = new System.Drawing.Size(114, 13);
            this.label4.TabIndex = 12;
            this.label4.Text = "Selected Node output:";
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(526, 387);
            this.Controls.Add(this.label4);
            this.Controls.Add(this.txtCondition);
            this.Controls.Add(this.label2);
            this.Controls.Add(this.label3);
            this.Controls.Add(this.tbOutput);
            this.Controls.Add(this.txtPos);
            this.Controls.Add(this.btnReadIndexed);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.txtNode);
            this.Controls.Add(this.btnIndex);
            this.MaximumSize = new System.Drawing.Size(534, 421);
            this.MinimumSize = new System.Drawing.Size(534, 421);
            this.Name = "Form1";
            this.Text = "XML Content Indexer";
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.Button btnIndex;
        private System.Windows.Forms.OpenFileDialog openFileDlg;
        private System.Windows.Forms.TextBox txtNode;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Button btnReadIndexed;
        private System.Windows.Forms.TextBox txtPos;
        private System.Windows.Forms.RichTextBox tbOutput;
        private System.Windows.Forms.Label label3;
        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.TextBox txtCondition;
        private System.Windows.Forms.Label label4;
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Slava Khristich
Software Developer (Senior) Tateeda Media Networks
United States United States

Software development is my passion as well as photography.


If you got a sec stop by to see my photography work at http://sk68.com


Tateeda Media Network

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Web01 | 2.8.140916.1 | Last Updated 14 Nov 2008
Article Copyright 2008 by Slava Khristich
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