Dart
Dart
Convert an HTML Table to Plain-Text
See more HTML-to-XML/Text Examples
Converts an HTML table to plain-text.Chilkat Dart Downloads
import 'package:chilkat/chilkat.dart';
void main() {
// 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>
//
final h2x = CkHtmlToXml();
h2x.setHtmlFromFile('qa_data/htmlToText/htmlTable.html');
// First convert to well-formed XML that makes it easier to parse.
final xml = CkXml();
xml.loadXml(h2x.toXml());
print(xml.getXml());
// 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>
// ...
//
print('------------------------------------------------');
// Iterate over the XML, skipping the 1st table row, and emit
// the Property and Description for each row.
final sbPlainText = CkStringBuilder();
// First move to the "table" node.
xml.firstChild2();
// Get the number of rows.
final numRows = xml.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.
var i = 1;
while (i < numRows) {
xml.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++;
}
print(sbPlainText.getAsString());
// 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.
//
}