/// <summary>
/// Extract data from text rows
/// </summary>
/// <param name="dataInfo">string data</param>
/// <returns>array of data row</returns>
internal KeyValuePairTable <int, DateTime, float, bool>[] ExtractTableData(StringBuilder[] dataInfo)
{
StringBuilder all = new StringBuilder();
// union data
foreach (StringBuilder page in dataInfo)
{
all.Append(page);
}
// convert to array of string
string[] rows = all
.ToString()
.Trim('\n')
.Replace("\r", "")
.Split('\n');
// create array of data
var data = new KeyValuePairTable <int, DateTime, float, bool> [rows.Length];
// convert strint into data using multithreading
Parallel.For(0, rows.Length, i =>
{
var temp = rows[i].Trim().Split(' ');
int.TryParse(temp[0], out int key);
DateTime.TryParse(temp[1] + " " + temp[2], out DateTime datetime);
float.TryParse(temp[3].Replace('.', ','), out float value);
data[i] = new KeyValuePairTable <int, DateTime, float, bool>(key, datetime, value, temp.Length == 5);
});
return(data);
}
/// <summary>
/// Parsing data of pdf-file from tables
/// </summary>
internal void ParsingFile()
{
stream.Position = 0;
using (var reader = new PdfReader(stream))
using (var pdf = new PdfDocument(reader))
{
reader.SetCloseStream(false);
PageCount = pdf.GetNumberOfPages();
// get every page for analyse
PdfPage[] pages = Enumerable
.Range(0, PageCount)
.Select(t => pdf.GetPage(t + 1))
.ToArray();
// data of every page (two diferent variants)
HeadInfo = ParsingHeader(pages[0]);
// find the limits
{
Regex regex = new Regex(@"З(\s*)а(\s*)д(\s*)а(\s*)н(\s+)д(\s*)и(\s*)а(\s*)п(\s*)а(\s*)з(\s*)о(\s*)н(\s+)т(\s*)е(\s*)м(\s*)п(\s*)е(\s*)р(\s*)а(\s*)т(\s*)у(\s*)р(\s+)м(\s*)е(\s*)ж(\s*)д(\s*)у(\s*):(\s+[+-]?\d+)°C и(\s+[+-]?\d+)°C",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
Match match = regex.Match(HeadInfo.ToString());
string findS = match.Value;
regex = new Regex(@"([+-]?\d+)", RegexOptions.Compiled);
MatchCollection matches = regex.Matches(findS);
List <float> results = new List <float>();
foreach (Match m in matches)
{
float.TryParse(m.Value, out float res);
results.Add(res);
}
// save data
LimitMin = results.Min();
LimitMax = results.Max();
}
//TODO: delete last row for last page, when we will be create new pdf-file
// data of names every columns
ColumnInfo = ParsingColumns(pages[0]);
// data from tables
DataInfo = new StringBuilder[PageCount - 1];
// analyse tables all page without last using multithreading
Parallel.For(0, DataInfo.Length,
i => DataInfo[i] = ParsingTables(pages[i]));
// convert string data to real data
TableData = ExtractTableData(DataInfo);
// save data
TableDataBlock = new KeyValuePairTable <int, DateTime, float, bool> [TableData.Length];
TableData.CopyTo(TableDataBlock, 0);
// data of Oy axis
OyAxisInfo = ParsingOyAxis(pages[PageCount - 1]);
// convert string data to real data
DataOyAxis = ExtractOyAxis(OyAxisInfo);
// data of Ox axis
OxAxisInfo = ParsingOxAxis(pages[PageCount - 1]);
// convert string data to real data
DataOxAxis = ExtractOxAxis(OxAxisInfo);
pdf.Close();
}
}
