Sample code for 30+ languages & platforms
Lua

Convert an HTML Table to Plain-Text

See more HTML-to-XML/Text Examples

Converts an HTML table to plain-text.

Chilkat Lua Downloads

Lua
local chilkat = require("chilkat")

-- 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>
--

local h2x = chilkat.HtmlToXml.new()
local success = h2x:set_html_from_file("qa_data/htmlToText/htmlTable.html")

-- First convert to well-formed XML that makes it easier to parse.
local xml = chilkat.Xml.new()
xml:load_xml(h2x:to_xml())
print(xml:get_xml())

-- 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.

local sbPlainText = chilkat.StringBuilder.new()

-- First move to the "table" node.
xml:first_child2()

-- Get the number of rows.
local numRows = xml.num_children

-- Indexing is 0-based, meaning the 1st row (i.e. the table headers) is at index 0.
-- Skip it by starting with index 1.
local i = 1
while i < numRows do
    xml.i = i

    sbPlainText:append(xml:get_child_content("tr[i]|/A/td,data-th,Property|p|text"))
    sbPlainText:append(": ")
    sbPlainText:append_line(xml:get_child_content("tr[i]|/A/td,data-th,Description|p|text"), true)

    i = i + 1
end

print(sbPlainText:get_as_string())

-- 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.
--