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(MFC) Convert an HTML Table to Plain-TextConverts an HTML table to plain-text.
#include <CkHtmlToXml.h> #include <CkXml.h> #include <CkStringBuilder.h> void ChilkatSample(void) { CkString strOut; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // This example converts the following HTML fragment to plain-text showing just // the information desired. // This is the raw HTML to be converted: // // <table><tr><th> // <p>Property</p></th><th scope="col"><p>Type</p></th><th // scope="col"><p>R/W</p></th><th scope="col"><p><a // href="https://msdn.microsoft.com/en-us/library/office/jj164022.aspx#NavigationProperties"> // Returned with resource</a></p></th><th // scope="col"><p>Description</p></th></tr><tr><td // data-th="Property"><p>Author</p></td><td data-th="Type"><p><a // href="https://msdn.microsoft.com/en-us/library/office/dn531432.aspx#bk_User"> // SP.User</a></p></td><td data-th="R/W"><p>R</p></td><td data-th="Returned with // resource"><p>No</p></td><td data-th="Description"><p>Gets a value that // specifies the user who added the file.</p></td></tr><tr><td // data-th="Property"><p>CheckedOutByUser</p></td><td data-th="Type"><p><a // href="https://msdn.microsoft.com/en-us/library/office/dn531432.aspx#bk_User"> // SP.User</a></p></td><td data-th="R/W"><p>R</p></td><td data-th="Returned with // resource"><p>No</p></td><td data-th="Description"><p>Gets a value that returns // the user who has checked out the file.</p></td></tr><tr><td // data-th="Property"><p>CheckInComment</p></td><td data-th="Type"><p><span // class="input">String</span></p></td><td data-th="R/W"><p>R</p></td><td // data-th="Returned with resource"><p>Yes</p></td><td // data-th="Description"><p>Gets a value that returns the comment used when a // document is checked in to a document library.</p></td></tr><tr><td // data-th="Property"><p>CheckOutType</p></td><td data-th="Type"><p><span // class="input">Int32</span></p></td><td data-th="R/W"><p>R</p></td><td // data-th="Returned with resource"><p>Yes</p></td><td // data-th="Description"><p>Gets a value that indicates how the file is checked // out of a document library. Represents an <span // class="input">SP.CheckOutType</span> value: Online = 0; Offline = 1; None = // 2.</p><p>The checkout state of a file is independent of its locked // state.</p></td></tr><tr><td data-th="Property"><p>ContentTag</p></td><td // data-th="Type"><p><span class="input">String</span></p></td><td // data-th="R/W"><p>R</p></td><td data-th="Returned with // resource"><p>Yes</p></td><td data-th="Description"><p>Returns internal version // of content, used to validate document equality for read // purposes.</p></td></tr><tr><td // data-th="Property"><p>CustomizedPageStatus</p></td><td data-th="Type"><p><span // class="input">Int32</span></p></td><td data-th="R/W"><p>R</p></td><td // data-th="Returned with resource"><p>Yes</p></td><td // data-th="Description"><p>Gets a value that specifies the customization status // of the file. Represents an <span class="input">SP.CustomizedPageStatus</span> // value: None = 0; Uncustomized = 1; Customized = 2.</p></td></tr><tr><td // data-th="Property"><p>ETag</p></td><td data-th="Type"><p><span // class="input">String</span></p></td><td data-th="R/W"><p>R</p></td><td // data-th="Returned with resource"><p>Yes</p></td><td // data-th="Description"><p>Gets a value that specifies the ETag // value.</p></td></tr><tr><td data-th="Property"><p>Exists</p></td><td // data-th="Type"><p><span class="input">Boolean</span></p></td><td // data-th="R/W"><p>R</p></td><td data-th="Returned with // resource"><p>Yes</p></td><td data-th="Description"><p>Gets a value that // specifies whether the file exists.</p></td></tr><tr><td // data-th="Property"><p>Length</p></td><td data-th="Type"><p><span // class="input">Int64</span></p></td><td data-th="R/W"><p>R</p></td><td // data-th="Returned with resource"><p>Yes</p></td><td // data-th="Description"><p>Gets the size of the file in bytes, excluding the size // of any Web Parts that are used in the file.</p></td></tr><tr><td // data-th="Property"><p>Level</p></td><td data-th="Type"><p><span // class="input">Byte</span></p></td><td data-th="R/W"><p>R</p></td><td // data-th="Returned with resource"><p>Yes</p></td><td // data-th="Description"><p>Gets a value that specifies the publishing level of // the file. Represents an <span class="input">SP.FileLevel</span> value: // Published = 1; Draft = 2; Checkout = 255.</p></td></tr><tr><td // data-th="Property"><p>ListItemAllFields</p></td><td data-th="Type"><p><a // href="https://msdn.microsoft.com/en-us/library/office/dn531433.aspx#bk_ListItem"> // SP.ListItem</a></p></td><td data-th="R/W"><p>R</p></td><td data-th="Returned // with resource"><p>No</p></td><td data-th="Description"><p>Gets a value that // specifies the list item field values for the list item corresponding to the // file.</p></td></tr><tr><td data-th="Property"><p>LockedByUser</p></td><td // data-th="Type"><p><a // href="https://msdn.microsoft.com/en-us/library/office/dn531432.aspx#bk_User"> // SP.User</a></p></td><td data-th="R/W"><p>R</p></td><td data-th="Returned with // resource"><p>No</p></td><td data-th="Description"><p>Gets a value that returns // the user that owns the current lock on the file.</p></td></tr><tr><td // data-th="Property"><p>MajorVersion</p></td><td data-th="Type"><p><span // class="input">Int32</span></p></td><td data-th="R/W"><p>R</p></td><td // data-th="Returned with resource"><p>Yes</p></td><td // data-th="Description"><p>Gets a value that specifies the major version of the // file.</p></td></tr><tr><td data-th="Property"><p>MinorVersion</p></td><td // data-th="Type"><p><span class="input">Int32</span></p></td><td // data-th="R/W"><p>R</p></td><td data-th="Returned with // resource"><p>Yes</p></td><td data-th="Description"><p>Gets a value that // specifies the minor version of the file.</p></td></tr><tr><td // data-th="Property"><p>ModifiedBy</p></td><td data-th="Type"><p><a // href="https://msdn.microsoft.com/en-us/library/office/dn531432.aspx#bk_User"> // SP.User</a></p></td><td data-th="R/W"><p>R</p></td><td data-th="Returned with // resource"><p>No</p></td><td data-th="Description"><p>Gets a value that returns // the user who last modified the file.</p></td></tr><tr><td // data-th="Property"><p>Name</p></td><td data-th="Type"><p><span // class="input">String</span></p></td><td data-th="R/W"><p>R</p></td><td // data-th="Returned with resource"><p>Yes</p></td><td // data-th="Description"><p>Gets the name of the file including the // extension.</p></td></tr><tr><td // data-th="Property"><p>ServerRelativeUrl</p></td><td data-th="Type"><p><span // class="input">String</span></p></td><td data-th="R/W"><p>R</p></td><td // data-th="Returned with resource"><p>Yes</p></td><td // data-th="Description"><p>Gets the relative URL of the file based on the URL for // the server.</p></td></tr><tr><td data-th="Property"><p>TimeCreated</p></td><td // data-th="Type"><p><span class="input">DateTime</span></p></td><td // data-th="R/W"><p>R</p></td><td data-th="Returned with // resource"><p>Yes</p></td><td data-th="Description"><p>Gets a value that // specifies when the file was created.</p></td></tr><tr><td // data-th="Property"><p>TimeLastModified</p></td><td data-th="Type"><p><span // class="input">DateTime</span></p></td><td data-th="R/W"><p>R</p></td><td // data-th="Returned with resource"><p>Yes</p></td><td // data-th="Description"><p>Gets a value that specifies when the file was last // modified.</p></td></tr><tr><td data-th="Property"><p>Title</p></td><td // data-th="Type"><p><span class="input">String</span></p></td><td // data-th="R/W"><p>R</p></td><td data-th="Returned with // resource"><p>Yes</p></td><td data-th="Description"><p>Gets a value that // specifies the display name of the file.</p></td></tr><tr><td // data-th="Property"><p>UiVersion</p></td><td data-th="Type"><p><span // class="input">Int32</span></p></td><td data-th="R/W"><p>R</p></td><td // data-th="Returned with resource"><p>Yes</p></td><td // data-th="Description"><p>Gets a value that specifies the // implementation-specific version identifier of the file.</p></td></tr><tr><td // data-th="Property"><p>UiVersionLabel</p></td><td data-th="Type"><p><span // class="input">String</span></p></td><td data-th="R/W"><p>R</p></td><td // data-th="Returned with resource"><p>Yes</p></td><td // data-th="Description"><p>Gets a value that specifies the // implementation-specific version identifier of the file.</p></td></tr><tr><td // data-th="Property"><p>Versions</p></td><td data-th="Type"><p><a // href="https://msdn.microsoft.com/en-us/library/office/dn450841.aspx#bk_FileVersionCollection">SP.FileVersionCollection</a> // </p></td><td data-th="R/W"><p>R</p></td><td data-th="Returned with // resource"><p>No</p></td><td data-th="Description"><p>Gets a value that returns // a collection of file version objects that represent the versions of the // file.</p></td></tr></table> // CkHtmlToXml h2x; bool success = h2x.SetHtmlFromFile("qa_data/htmlToText/htmlTable.html"); // First convert to well-formed XML that makes it easier to parse. CkXml xml; xml.LoadXml(h2x.toXml()); strOut.append(xml.getXml()); strOut.append("\r\n"); // The XML looks like this: // <?xml version="1.0" encoding="utf-8" ?> // <root> // <table> // <tr> // <th> // <p> // <text>Property</text> // </p> // </th> // <th scope="col"> // <p> // <text>Type</text> // </p> // </th> // <th scope="col"> // <p> // <text>R/W</text> // </p> // </th> // <th scope="col"> // <p> // <a href="https://msdn.microsoft.com/en-us/library/office/jj164022.aspx#NavigationProperties"> // <text>Returned with resource</text> // </a> // </p> // </th> // <th scope="col"> // <p> // <text>Description</text> // </p> // </th> // </tr> // <tr> // <td data-th="Property"> // <p> // <text>Author</text> // </p> // </td> // <td data-th="Type"> // <p> // <a href="https://msdn.microsoft.com/en-us/library/office/dn531432.aspx#bk_User"> // <text>SP.User</text> // </a> // </p> // </td> // <td data-th="R/W"> // <p> // <text>R</text> // </p> // </td> // <td data-th="Returned with resource"> // <p> // <text>No</text> // </p> // </td> // <td data-th="Description"> // <p> // <text>Gets a value that specifies the user who added the file.</text> // </p> // </td> // </tr> // ... // strOut.append("------------------------------------------------"); strOut.append("\r\n"); // Iterate over the XML, skipping the 1st table row, and emit // the Property and Description for each row. CkStringBuilder sbPlainText; // First move to the "table" node. xml.FirstChild2(); // Get the number of rows. int numRows = xml.get_NumChildren(); // Indexing is 0-based, meaning the 1st row (i.e. the table headers) is at index 0. // Skip it by starting with index 1. int i = 1; while (i < numRows) { xml.put_I(i); sbPlainText.Append(xml.getChildContent("tr[i]|/A/td,data-th,Property|p|text")); sbPlainText.Append(": "); sbPlainText.AppendLine(xml.getChildContent("tr[i]|/A/td,data-th,Description|p|text"),true); i = i + 1; } strOut.append(sbPlainText.getAsString()); strOut.append("\r\n"); // The output is: // Author: Gets a value that specifies the user who added the file. // CheckedOutByUser: Gets a value that returns the user who has checked out the file. // CheckInComment: Gets a value that returns the comment used when a document is checked in to a document library. // CheckOutType: Gets a value that indicates how the file is checked out of a document library. Represents an // ContentTag: Returns internal version of content, used to validate document equality for read purposes. // CustomizedPageStatus: Gets a value that specifies the customization status of the file. Represents an // ETag: Gets a value that specifies the ETag value. // Exists: Gets a value that specifies whether the file exists. // Length: Gets the size of the file in bytes, excluding the size of any Web Parts that are used in the file. // Level: Gets a value that specifies the publishing level of the file. Represents an // ListItemAllFields: Gets a value that specifies the list item field values for the list item corresponding to the file. // LockedByUser: Gets a value that returns the user that owns the current lock on the file. // MajorVersion: Gets a value that specifies the major version of the file. // MinorVersion: Gets a value that specifies the minor version of the file. // ModifiedBy: Gets a value that returns the user who last modified the file. // Name: Gets the name of the file including the extension. // ServerRelativeUrl: Gets the relative URL of the file based on the URL for the server. // TimeCreated: Gets a value that specifies when the file was created. // TimeLastModified: Gets a value that specifies when the file was last modified. // Title: Gets a value that specifies the display name of the file. // UiVersion: Gets a value that specifies the implementation-specific version identifier of the file. // UiVersionLabel: Gets a value that specifies the implementation-specific version identifier of the file. // Versions: Gets a value that returns a collection of file version objects that represent the versions of the file. // SetDlgItemText(IDC_EDIT1,strOut.getUnicode()); } |
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