Exemplo n.º 1
0
        public static StringsTree ParseTreeStructure(string startTag, string endTag, string data)
        {
            if (startTag == null)
            {
                throw new ArgumentNullException("startTag");
            }

            if (endTag == null)
            {
                throw new ArgumentNullException("endTag");
            }

            if (data == null)
            {
                throw new ArgumentNullException("data");
            }

            int startTagLength             = startTag.Length;
            int endTagLength               = endTag.Length;
            List <TreeParseData> parseList = new List <TreeParseData>();
            int idx = 0;

            int ident = 0;

            while (idx < data.Length)
            {
                int resultIdxStart = data.IndexOf(startTag, idx);
                if (resultIdxStart < 0)
                {
                    resultIdxStart = int.MaxValue;
                }

                int resultIdxEnd = data.IndexOf(endTag, idx);
                if (resultIdxEnd < 0)
                {
                    resultIdxEnd = int.MaxValue;
                }

                if (resultIdxStart < resultIdxEnd)
                {
                    ident++;
                    parseList.Add(new TreeParseData(true, resultIdxStart));
                    idx = resultIdxStart + startTagLength;
                }
                else if (resultIdxStart > resultIdxEnd)
                {
                    ident--;
                    if (ident < 0)
                    {
                        throw new ArgumentNullException("Wrong data structure", "data");
                    }

                    parseList.Add(new TreeParseData(false, resultIdxEnd));
                    idx = resultIdxEnd + endTagLength;
                }
                else
                {                       //equal, end found
                    break;
                }
            }

            StringsTree current = new StringsTree(null, 0);

            for (idx = 0; idx < parseList.Count; idx++)
            {
                if (parseList[idx].IsStartTag)
                {
                    StringsTree child = new StringsTree(current, idx);
                    current.Childs.Add(child);
                    current = child;
                }
                else
                {                   //this is child
                    int childStart = parseList[current.Offset].Position;
                    int childEnd   = parseList[idx].Position;
                    if (parseList[current.Offset + 1].IsStartTag)
                    {
                        childEnd = parseList[current.Offset + 1].Position;
                    }

                    current.Data = data.Substring(childStart + startTagLength, childEnd - childStart - startTagLength);
                    current      = current.Parent;
                }
            }
            return(current);
        }
Exemplo n.º 2
0
 public StringsTree(StringsTree parent, int offset)
 {
     this.parent = parent;
     this.offset = offset;
 }
        protected override void DoTranslate(string phrase, LanguagePair languagesPair, string subject, Result result, NetworkSetting networkSetting)
        {
            string query = "http://www.slovnenya.com/dictionary/{0}";

            query = string.Format(query, HttpUtility.UrlEncode(phrase).Replace("+", "%20"));
            WebRequestHelper helper =
                new WebRequestHelper(result, new Uri(query),
                                     networkSetting,
                                     WebRequestContentType.UrlEncodedGet);

            helper.AcceptLanguage = "en-us,en";
            string responseFromServer = helper.GetResponse();

            if (responseFromServer.Contains("did not return any results</div>") ||
                responseFromServer.Contains("</span>` did not return any results"))
            {
                result.ResultNotFound = true;
                throw new TranslationException("Nothing found");
            }
            else if (responseFromServer.IndexOf("Query contains extraneous symbol(s)<") >= 0)
            {
                throw new TranslationException("Query contains extraneous symbols");
            }
            else
            {
                result.ArticleUrl        = query;
                result.ArticleUrlCaption = phrase;

                string      translation = StringParser.Parse("<hr style=\"border:0;background-color:grey;height:1px;width:92%;text-align:center\" />", "<hr style=\"border:0;background-color:grey;height:1px;width:92%;text-align:center\" />", responseFromServer);
                StringsTree tree        = StringParser.ParseTreeStructure("<table", "</table>", translation);
                if (tree.Childs.Count != 1)
                {
                    throw new TranslationException("Wrong data structure");
                }

                tree = tree.Childs[0];

                if (tree.Childs.Count != 1)
                {
                    throw new TranslationException("Wrong data structure");
                }

                tree = tree.Childs[0];

                Result wordres = result;

                if (tree.Childs.Count == 0)
                {
                    throw new TranslationException("Wrong data structure");
                }


                //get word
                if (tree.Childs[0].Childs.Count != 1)
                {
                    throw new TranslationException("Wrong data structure");
                }


                string word = StringParser.Parse("font-size:14pt\">", "<", tree.Childs[0].Childs[0].Data);

                for (int i = 1; i < tree.Childs.Count; i++)
                {
                    StringsTree abbr_tree = tree.Childs[i];
                    Result      abbrres   = null;

                    string abbr   = StringParser.Parse("font-size:12pt\">", "<", abbr_tree.Data);
                    Result tmpRes = CreateNewResult(abbr, languagesPair, subject);
                    wordres.Childs.Add(tmpRes);
                    abbrres = tmpRes;

                    StringParser parser       = new StringParser(abbr_tree.Childs[0].Data);
                    string[]     translations = parser.ReadItemsList("font-size:12pt\">", "<");
                    foreach (string trans in translations)
                    {
                        abbrres.Translations.Add(trans);
                    }
                }
            }
        }