Xbase++
Xbase++
HTML Table to CSV
See more HTML-to-XML/Text Examples
Demonstrates a method for converting an HTML table to a CSV file.Note: This example requires Chilkat v9.5.0.77 or greater.
Chilkat Xbase++ Downloads
LOCAL nSuccess
LOCAL oHttp
LOCAL oBdHtml
LOCAL oHtx
LOCAL oSbXml
LOCAL oXml
LOCAL nNumRemoved
LOCAL i
LOCAL nCount_i
LOCAL cTable_role
LOCAL cTable_data_scrollx
LOCAL cTable_data_sortdirection
LOCAL cTable_data_sorton
LOCAL cTable_id
LOCAL j
LOCAL nCount_j
LOCAL cTr_role
LOCAL k
LOCAL nCount_k
LOCAL cTagPath
LOCAL cText
LOCAL oCsv
LOCAL cCsvStr
nSuccess := 0
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// First download the HTML containing the table
oHttp := CreateObject("Chilkat.Http")
oBdHtml := CreateObject("Chilkat.BinData")
nSuccess := oHttp:QuickGetBd("https://example-code.com/data/etf_table.html", oBdHtml)
IF (nSuccess != 1)
? oHttp:LastErrorText
oHttp:destroy()
oBdHtml:destroy()
RETURN
ENDIF
// Convert to XML.
oHtx := CreateObject("Chilkat.HtmlToXml")
oHtx:SetHtmlBd(oBdHtml)
oSbXml := CreateObject("Chilkat.StringBuilder")
oHtx:ToXmlSb(oSbXml)
oXml := CreateObject("Chilkat.Xml")
oXml:LoadSb(oSbXml, 1)
// Remove attributes and sub-trees we don't need.
// (In other words, we're getting rid of clutter...)
nNumRemoved := oXml:PruneTag("thead")
nNumRemoved := oXml:PruneAttribute("style")
nNumRemoved := oXml:PruneAttribute("class")
// Scrub the element and attribute content.
oXml:Scrub("ContentTrimEnds,ContentTrimInside,AttrTrimEnds,AttrTrimInside")
// Let's see what we have...
? oXml:GetXml()
// We have the following XML.
// Copy this XML into the online tool at Generate Parsing Code from XML
// as a starting point for accessing the data..
// <?xml version="1.0" encoding="utf-8"?>
// <root>
// <html>
// <head>
// <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
// </head>
// <body text="#000000" bgcolor="#FFFFFF">
// <div>
// <div>
// <table role="grid" data-scrollx="true" data-sortdirection="desc" data-sorton="-1"/>
// </div>
// </div>
// <div>
// <table id="topHoldingsTable" role="grid" data-scrollx="true" data-sortdirection="desc" data-sorton="-1">
// <tbody>
// <tr role="row">
// <td>
// <text>ITUB4</text>
// </td>
// <td>
// <text>ITAU UNIBANCO HOLDING PREF SA</text>
// </td>
// <td>
// <text>Financials</text>
// </td>
// <td>
// <text>Brazil</text>
// </td>
// <td>
// <text>10.94</text>
// </td>
// <td>
// <text>998,954,813.73</text>
// </td>
// </tr>
// <tr role="row">
// <td>
// <text>BBDC4</text>
// </td>
// <td>
// <text>BANCO BRADESCO PREF SA</text>
// </td>
// <td>
// <text>Financials</text>
// </td>
// <td>
// <text>Brazil</text>
// </td>
// <td>
// <text>9.01</text>
// </td>
// <td>
// <text>822,164,622.75</text>
// </td>
// </tr>
// ...
// ...
// ...
// </tbody>
// </table>
// </div>
// </body>
// </html>
// </root>
// This is the code generated by the online tool:
//
i := 0
nCount_i := oXml:NumChildrenHavingTag("html|body|div")
DO WHILE i < nCount_i
oXml:I := i
cTable_role := oXml:ChilkatPath("html|body|div[i]|div|table|(role)")
cTable_data_scrollx := oXml:ChilkatPath("html|body|div[i]|div|table|(data-scrollx)")
cTable_data_sortdirection := oXml:ChilkatPath("html|body|div[i]|div|table|(data-sortdirection)")
cTable_data_sorton := oXml:ChilkatPath("html|body|div[i]|div|table|(data-sorton)")
cTable_id := oXml:ChilkatPath("html|body|div[i]|table|(id)")
cTable_role := oXml:ChilkatPath("html|body|div[i]|table|(role)")
cTable_data_scrollx := oXml:ChilkatPath("html|body|div[i]|table|(data-scrollx)")
cTable_data_sortdirection := oXml:ChilkatPath("html|body|div[i]|table|(data-sortdirection)")
cTable_data_sorton := oXml:ChilkatPath("html|body|div[i]|table|(data-sorton)")
j := 0
nCount_j := oXml:NumChildrenHavingTag("html|body|div[i]|table|tbody|tr")
DO WHILE j < nCount_j
oXml:J := j
cTr_role := oXml:ChilkatPath("html|body|div[i]|table|tbody|tr[j]|(role)")
k := 0
nCount_k := oXml:NumChildrenHavingTag("html|body|div[i]|table|tbody|tr[j]|td")
DO WHILE k < nCount_k
oXml:K := k
cText := oXml:GetChildContent("html|body|div[i]|table|tbody|tr[j]|td[k]|text")
k := k + 1
ENDDO
j := j + 1
ENDDO
i := i + 1
ENDDO
// Let's modify the above code to build the CSV.
oCsv := CreateObject("Chilkat.Csv")
oCsv:SetColumnName(0, "Ticker")
oCsv:SetColumnName(1, "Name")
oCsv:SetColumnName(2, "Sector")
oCsv:SetColumnName(3, "Country")
oCsv:SetColumnName(4, "Weight")
oCsv:SetColumnName(5, "Notional Vaue")
i := 0
nCount_i := oXml:NumChildrenHavingTag("html|body|div")
DO WHILE i < nCount_i
oXml:I := i
j := 0
nCount_j := oXml:NumChildrenHavingTag("html|body|div[i]|table|tbody|tr")
DO WHILE j < nCount_j
oXml:J := j
k := 0
nCount_k := oXml:NumChildrenHavingTag("html|body|div[i]|table|tbody|tr[j]|td")
DO WHILE k < nCount_k
oXml:K := k
oCsv:SetCell(j, k, oXml:GetChildContent("html|body|div[i]|table|tbody|tr[j]|td[k]|text"))
k := k + 1
ENDDO
j := j + 1
ENDDO
i := i + 1
ENDDO
oCsv:SaveFile("qa_output/brasil_etf.csv")
cCsvStr := oCsv:SaveToString()
? cCsvStr
// Our CSV looks like this:
// Ticker,Name,Sector,Country,Weight,Notional Vaue
// ITUB4,ITAU UNIBANCO HOLDING PREF SA,Financials,Brazil,10.94,"998,954,813.73"
// BBDC4,BANCO BRADESCO PREF SA,Financials,Brazil,9.01,"822,164,622.75"
// VALE3,CIA VALE DO RIO DOCE SH,Materials,Brazil,8.60,"785,290,260.07"
// PETR4,PETROLEO BRASILEIRO PREF SA,Energy,Brazil,5.68,"518,124,434.10"
// PETR3,PETROBRAS,Energy,Brazil,4.86,"443,254,438.53"
// B3SA3,B3 BRASIL BOLSA BALCAO SA,Financials,Brazil,4.57,"417,636,740.16"
// ABEV3,AMBEV SA,Consumer Staples,Brazil,4.57,"417,216,913.63"
// BBAS3,BANCO DO BRASIL SA,Financials,Brazil,3.25,"296,921,232.15"
// ITSA4,ITAUSA INVESTIMENTOS ITAU PREF SA,Financials,Brazil,2.90,"265,153,684.52"
// LREN3,LOJAS RENNER SA,Consumer Discretionary,Brazil,2.25,"205,832,175.98"
//
oHttp:destroy()
oBdHtml:destroy()
oHtx:destroy()
oSbXml:destroy()
oXml:destroy()
oCsv:destroy()