コード例 #1
0
        /// <summary>
        /// Extracts the Informations about a file
        /// </summary>
        /// <param name="file"></param>
        /// <returns></returns>
        public static void GetFileInfo(DirectoryItem file, string dataStr)
        {
            var doc = new HtmlDocument();

            doc.LoadHtml(dataStr);

            var div = doc.DocumentNode.SelectSingleNode("//div[contains(@class,'Box mt-3 position-relative')]/div[contains(@class,'Box-header')]/div");

            var divider = div.SelectSingleNode("span");

            //The Html in Github informs the Number of lines and Size of a File.
            //Here these values are extracted.

            //If divider is null the page only display de size of the file.
            //Its a Binary file.
            //Else its a Text file and the number of lines and Size of the file are shown.

            if (divider == null)// only size
            {
                var fileSize = div.InnerText.Trim().Split(' ');
                file.Size     = Convert.ToDecimal(fileSize[0]);
                file.SizeUnit = fileSize[1].ToLower();
            }
            else
            {
                LinesAndSizeExtractor.LinesAndSize linesAndSize;

                try
                {
                    linesAndSize = LinesAndSizeExtractor.Extract(div.InnerText);
                }
                catch (Exception ex)
                {
                    throw;
                }



                file.NumberOfLines = linesAndSize.NumberOfLines;
                file.Size          = linesAndSize.Size;
                file.SizeUnit      = linesAndSize.Unit;
            }
        }
コード例 #2
0
        /// <summary>
        /// Return all Dir and files in a Repository
        /// </summary>
        /// <param name="pageUrl"></param>
        /// <param name="directoryItemObjects"></param>
        public static async Task GetDirItems(string pageUrl, List <DirectoryItem> directoryItemObjects)
        {
            //Dirs at the current folder/page
            var localDirs = new List <DirectoryItem>();

            var tasks = new List <Task <string> >();

            //Start with the root Repository folder
            localDirs.Add(new DirectoryItem {
                Url = pageUrl, Type = DirObjectType.DIRECTORY
            });


            while (localDirs.Count > 0)
            {
                //Downloads all folder pages in parallel
                foreach (var item in localDirs)
                {
                    tasks.Add(GhderHttpClient.Instance.GetStringAsync(GHProjectDownloaderService.GitHubUrl + item.Url));
                }

                //Waits all folder/pages to be downloaded
                await Task.WhenAll(tasks);


                var pages = new List <Page>();
                for (int i = 0; i < tasks.Count(); i++)
                {
                    pages.Add(new Page {
                        Html = tasks[i].Result, Url = localDirs[i].Url
                    });
                }


                localDirs = new List <DirectoryItem>();


                //For each downloaded dir/page
                foreach (var page in pages)
                {
                    var doc = new HtmlDocument();
                    doc.LoadHtml(page.Html);

                    //List all rows in a directory.
                    //Each row is a div and each cell is a div.
                    var divs = doc.DocumentNode.SelectNodes("//div[contains(@class,'js-navigation-item')]");

                    if (divs == null)
                    {
                        throw new DomainException($"No Rows found in: {page.Url}");
                    }

                    foreach (var div in divs)
                    {
                        //Inside a folder, the first item of the directory is a link for the upper directory.
                        //If the first cell row doesnt have a svg, its a upper directory link.
                        var svg = div.SelectSingleNode("div[1]/svg");

                        if (svg == null)
                        {
                            continue;
                        }

                        var type          = svg.Attributes["aria-label"].Value.ToLower();// directory or file
                        var dirObjectType = type == "file" ? DirObjectType.FILE : DirObjectType.DIRECTORY;

                        var url  = div.SelectSingleNode("div[2]/span/a").Attributes["href"].Value;
                        var name = div.SelectSingleNode("div[2]/span/a").InnerText;

                        var newItem = new DirectoryItem {
                            Type = dirObjectType, Url = url, Name = name, Extension = GetExtention(name)
                        };

                        //all folder objects
                        directoryItemObjects.Add(newItem);


                        //Only folders.
                        //Folders can have subfolders!
                        if (newItem.Type == DirObjectType.DIRECTORY)
                        {
                            localDirs.Add(newItem);
                        }
                    }
                }//foreach

                tasks = new List <Task <string> >();
            } //While
        }     // Method