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POobjective C - How to parse recursive node from xml using libxml2
 

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  1. POobjective C - How to parse recursive node from xml using libxml2
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    <p>Below is the XML with recursive elements:</p> <pre><code>&lt;Tree&gt; &lt;Node name="books" label="books"&gt; &lt;Node name="Maths" label="Maths"&gt; &lt;Node name="Topic 1" label="Topic 1"&gt; &lt;Node name="chapter 1" label="chapter 1"/&gt; &lt;Node name="chapter 2" label="chapter 2"/&gt; &lt;Node name="chapter 3" label="chapter 3"/&gt; &lt;Node name="chapter 4" label="chapter 4"/&gt; &lt;Node name="chapter 5" label="chapter 5"/&gt; &lt;/Node&gt; &lt;/Node&gt; &lt;Node name="Physics" label="Physics"&gt; &lt;Node name="Topic 1" label="Topic 1"&gt; &lt;Node name="chapter 1" label="chapter 1"/&gt; &lt;Node name="chapter 2" label="chapter 2"/&gt; &lt;Node name="chapter 3" label="chapter 3"/&gt; &lt;/Node&gt; &lt;/Node&gt; &lt;/Node&gt; &lt;Node name="Pens" label="Pens"&gt; &lt;/Node&gt; &lt;/Tree&gt; </code></pre> <p>H</p> <p>I tried using the following code for getting the recursive values, But I can get the first level attributes, But can't get the second level "Node" element attribute value,</p> <pre><code>-(void)parse { NSString *strVal = [[NSString alloc] initWithData:xmlData encoding:NSUTF8StringEncoding]; xmlDoc * doc = xmlParseMemory(xmlData.bytes, xmlData.length); xmlNodePtr nodePtr =xmlDocGetRootElement(doc); nodePtr = nodePtr-&gt;xmlChildrenNode; getChild(nodePtr, (xmlChar *)"Node"); } int recursive = 0; void getChild(xmlNodePtr nodePtr, xmlChar *elementName) { NSLog(@"recursive: %d",recursive ++); xmlNodePtr tempPtr = nodePtr; while (tempPtr!= NULL) { if (!xmlStrcmp(tempPtr-&gt;name, elementName)) { xmlChar *v = xmlGetProp(tempPtr, (const xmlChar *)"name"); NSLog(@"element:%s field:%s val: %s",elementName, "name", v); // nodePtr = nodePtr-&gt;next; } tempPtr = tempPtr -&gt; next; } xmlNodePtr nodePtr2 = nodePtr -&gt; xmlChildrenNode; getChild(nodePtr2, elementName); } </code></pre> <p>and the result is:</p> <p>2011-12-09 01:12:12.271 LibXMLParser[4123:207] recursive: 0 2011-12-09 01:12:12.275 LibXMLParser[4123:207] element:SystemNode field:name val: MSG 2011-12-09 01:12:12.276 LibXMLParser[4123:207] element:SystemNode field:name val: SAP 2011-12-09 01:12:12.277 LibXMLParser[4123:207] recursive: 1</p> <p>Can anyone give me answer for how to get the recursively get child of a node from the root?</p> <p>Thanks in advance</p>
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    1. USShanmugaraja G
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      1. POobjective C - How to parse recursive node from xml using libxml2
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    1. CONot an answer to the question exactly, but recently I used a library for simply xml parsing, it parses it all and gives you the results as an nsdictionary and it worked great for me: https://github.com/amarcadet/XMLReader
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      1. USuser1084563
    2. COThanks Guy, Nice Job...
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      1. USShanmugaraja G
 

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