Objective-C

Parse the XML of an Excel (XLS) Spreadsheet

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Demonstrate how to access various items from the XML of an XLS (Excel) Spreadsheet. Our sample data is shown below, and can be downloaded from http://www.chilkatsoft.com/data/ndc_nhric_labeler_codes_04_29_2015.xls

<?xml version="1.0" version="1.0" encoding="utf-8" ?>
<mso-application progid="Excel.Sheet"?>
<Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" xmlns:html="http://www.w3.org/TR/REC-html40">
    <DocumentProperties xmlns="urn:schemas-microsoft-com:office:office">
        <Version>14.00</Version>
    </DocumentProperties>
    <OfficeDocumentSettings xmlns="urn:schemas-microsoft-com:office:office">
        <AllowPNG />
    </OfficeDocumentSettings>
    <ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel">
        <WindowHeight>7800</WindowHeight>
        <WindowWidth>12000</WindowWidth>
        <WindowTopX>105</WindowTopX>
        <WindowTopY>105</WindowTopY>
        <ProtectStructure>False</ProtectStructure>
        <ProtectWindows>False</ProtectWindows>
    </ExcelWorkbook>
    <Styles>
        <Style ss:ID="Default" ss:Name="Normal">
            <Alignment ss:Vertical="Top" />
            <Borders />
            <Font ss:FontName="Arial" />
            <Interior />
            <NumberFormat />
            <Protection />
        </Style>
        <Style ss:ID="s63">
            <Alignment ss:Vertical="Bottom" ss:WrapText="1" />
            <Font ss:FontName="Arial" x:Family="Swiss" ss:Bold="1" />
            <Interior ss:Color="#C0C0C0" ss:Pattern="Solid" />
        </Style>
        <Style ss:ID="s64">
            <NumberFormat ss:Format="@" />
        </Style>
    </Styles>
    <Worksheet ss:Name="NDCLabelerCode">
        <Table ss:ExpandedColumnCount="2" ss:ExpandedRowCount="8186" x:FullColumns="1" x:FullRows="1">
            <Column ss:Index="2" ss:Width="580.5" />
            <Row ss:AutoFitHeight="0" ss:Height="38.25">
                <Cell ss:StyleID="s63">
                    <Data ss:Type="String">NDC Labeler Code</Data>
                </Cell>
                <Cell ss:StyleID="s63">
                    <Data ss:Type="String">Firm Name</Data>
                </Cell>
            </Row>
            <Row>
                <Cell ss:StyleID="s64">
                    <Data ss:Type="String">0002</Data>
                </Cell>
                <Cell ss:StyleID="s64">
                    <Data ss:Type="String">Eli Lilly and Company</Data>
                </Cell>
            </Row>
...

Objective-C

#import <CkoXml.h>
#import <NSString.h>

BOOL success = NO;

CkoXml *xlsDoc = [[CkoXml alloc] init];

success = [xlsDoc LoadXmlFile: @"myFiles/ndc_nhric_labeler_codes_04_29_2015.xls"];
if (success != YES) {
    NSLog(@"%@",xlsDoc.LastErrorText);
    return;
}

// This example will access the following pieces of data:
// NDC Labeler Code, Firm Name, 0002, Eli Lilly and Company, ...

// First navigate to the Worksheet named "NDCLabelerCode"
CkoXml *xWorksheet = [xlsDoc GetChildWithAttr: @"Worksheet" attrName: @"ss:Name" attrValue: @"NDCLabelerCode"];

// Next, get the Table node:
CkoXml *x = [xWorksheet GetChildWithTag: @"Table"];

// How many immediate child nodes?
int numChildren = [x.NumChildren intValue];

// Loop over each Row and access the cell contents.
int i;
for (i = 0; i <= (numChildren - 1); i++) {

    // Navigate without creating new XML objects
    success = [x GetChild2: [NSNumber numberWithInt: i]];

    if ([x TagEquals: @"Row"]) {

        NSString *data0 = [x ChilkatPath: @"Cell[0]|Data|*"];
        NSLog(@"%@",data0);

        NSString *data1 = [x ChilkatPath: @"Cell[1]|Data|*"];
        NSLog(@"%@",data1);
    }

    // Navigate back up.
    success = [x GetParent2];
}