Yahoo! search interface: Difference between revisions
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{{task|Programming environment operations}}[[Category:Networking and Web Interaction]] |
{{task|Programming environment operations}}[[Category:Networking and Web Interaction]] |
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'''This task is under consideration for deletion, as it enables violation of Google's Terms of Service. Please see its [[Talk:Search_Google|Talk Page]] to participate in the discussion. --[[User:Short Circuit|Short Circuit]] 12:43, 3 May 2009 (UTC) |
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Create a class for searching Google results. |
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It must implement a '''Next Page''' method, and read URL, Title and Content from results. |
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=={{header|C sharp|C#}}== |
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<lang csharp>using System; |
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using System.Net; |
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using System.Text; |
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using System.Text.RegularExpressions; |
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using System.Collections; |
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using System.Collections.Generic; |
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using System.Linq; |
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class GoogleSearch { |
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private string query; |
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private string content; |
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private int page = 1; |
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public GoogleSearch(string query) { |
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this.query = query; |
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this.content = new WebClient().DownloadString("http://www.google.com/search?q=" + query); |
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} |
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public GoogleSearch(string query, int page) { |
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this.query = query; |
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this.page = page; |
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this.content = new WebClient().DownloadString(String.Format("http://www.google.com/search?q={0}&start={1}", query, (this.page - 1) * 10)); |
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} |
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public int Page { |
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get { |
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return this.page; |
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} |
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} |
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public int Length { |
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get { |
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return Int32.Parse(new Regex("Results <b>\\d+?</b> - <b>\\d+?</b> of about <b>(.+?)</b>"). |
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Match(this.content).Groups[1].Value.Replace(",", "")); |
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} |
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} |
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public GoogleResult[] Results { |
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get { |
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ArrayList results = new ArrayList(); |
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foreach (Match e in new Regex("<li class=g><h3 class=r><a href=\"(.+?)\".+?>(.+?)</a></h3><div class=\"s\">(.+?)<cite>").Matches(this.content)) { |
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string rurl = e.Groups[1].Value; |
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string rtitle = e.Groups[2].Value. |
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Replace("<em>", "").Replace("</em>", "").Replace(" <b>...</b>",""); |
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string rcontent = e.Groups[3].Value. |
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Replace("<em>", "").Replace("</em>", "").Replace(" <b>...</b>", ""); |
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Console.WriteLine(rurl); |
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results.Add(new GoogleResult(rurl, rtitle, rcontent)); |
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} |
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return (GoogleResult[])results.ToArray(typeof(GoogleResult)); |
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} |
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} |
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public GoogleSearch NextPage() { |
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return new GoogleSearch(this.query, this.page + 1); |
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} |
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public GoogleSearch GetPage(int page) { |
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return new GoogleSearch(this.query, page); |
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} |
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} |
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class GoogleResult { |
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public string URL { get; set; } |
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public string Title { get; set; } |
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public string Content { get; set; } |
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public GoogleResult(string url, string title, string content) { |
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this.URL = url; |
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this.Title = title; |
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this.Content = content; |
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} |
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}</lang> |
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Usage: |
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<lang csharp>class Program { |
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static void Main() { |
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GoogleSearch search = new GoogleSearch("rosetta code"); |
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foreach (GoogleResult result in search.Results) { |
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Console.WriteLine(result.Title); |
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} |
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} |
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}</lang> |
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Revision as of 12:43, 3 May 2009
You are encouraged to solve this task according to the task description, using any language you may know.
This task is under consideration for deletion, as it enables violation of Google's Terms of Service. Please see its Talk Page to participate in the discussion. --Short Circuit 12:43, 3 May 2009 (UTC)