public String ExportData()
{
//Document variables
DocInfo docInfo = new DocInfo();
System.Boolean hasOfficialUse = false;
string officialText;
try
{
if (!ExportFilePath.isFilePathOK(".txt"))
{
return("Invalid export file path: " + ExportFilePath);
}
BeforeProcessing();
using (var pdfReader = new PdfReader(PdfPath))
{
// For image checking
var parser = new PdfReaderContentParser(pdfReader);
ImageRenderListener listener = null;
// Check to see if doc has "for official use only" at the bottom
ITextExtractionStrategy officialTextRectangle = MakeRectangle(70, 1, 375, 120);
officialText = PdfTextExtractor.GetTextFromPage(pdfReader, 1, officialTextRectangle);
officialText = Encoding.UTF8.GetString(Encoding.Convert(Encoding.Default, Encoding.UTF8, Encoding.Default.GetBytes(officialText)));
if (officialText.ToString().ToUpper().Contains("FOROFFICIALUSEONLY"))
{
hasOfficialUse = true;
}
else
{
hasOfficialUse = false;
}
// Loop through each page of the PDF
for (Int32 currentPage = 1; currentPage <= pdfReader.NumberOfPages; currentPage++)
{
PageInfo currentPageInfo = new PageInfo()
{
PageNum = currentPage
};
ITextExtractionStrategy rectangleStrategy;
float height = pdfReader.GetPageSize(currentPage).Height;
float width = pdfReader.GetPageSize(currentPage).Width;
if (height > 785 && height < 802 && width > 1215 && width < 1230)
{
rectangleStrategy = MakeRectangle(450, 1, 450, 70);
}
else if (height > 785 && height < 802 && width > 608 && width < 617)
{
rectangleStrategy = MakeRectangle(190, 1, 255, 74);
}
else
{
myLogger.Log("Page # " + currentPage.ToString() + " not 8.5 x 11 or 11 x 17");
continue;
}
string currentText = PdfTextExtractor.GetTextFromPage(pdfReader, currentPage, rectangleStrategy);
currentText = Encoding.UTF8.GetString(Encoding.Convert(Encoding.Default, Encoding.UTF8, Encoding.Default.GetBytes(currentText)));
if (hasOfficialUse)
{
currentText = OfficialUseRegex.Replace(currentText, "").Trim();
}
ITextExtractionStrategy workPackageIndexStrategy = MakeRectangle(60, 600, 160, 50);
string WPI = PdfTextExtractor.GetTextFromPage(pdfReader, currentPage, workPackageIndexStrategy);
WPI = Encoding.UTF8.GetString(Encoding.Convert(Encoding.Default, Encoding.UTF8, Encoding.Default.GetBytes(WPI)));
if (WPI.ToUpper().Contains("WORKPACKAGEINDEX"))
{
currentPageInfo.HasWpIndex = true;
}
// #-#
if (NumDashNumRegex.IsMatch(currentText))
{
currentPageInfo.PageNumText = NumDashNumRegex.Match(currentText).Value.Trim();
currentPageInfo.IsWP = true;
}
else
{
// #-#/blank
if (NumDashNumBlankRegex.IsMatch(currentText))
{
currentPageInfo.PageNumText = NumDashNumBlankRegex.Match(currentText).Value.Trim();
currentPageInfo.IsDashBlank = true;
currentPageInfo.IsWP = true;
}
else
{
if (romanNumRegex.IsMatch(currentText.ToUpper().Trim()))
{
currentPageInfo.PageNumText = romanNumRegex.Match(currentText.ToUpper().Trim()).Value.Trim();
if (String.Equals(currentPageInfo.PageNumText.ToUpper(), "C") || String.Equals(currentPageInfo.PageNumText.ToUpper(), "D"))
{
currentPageInfo.PageNumText = currentPageInfo.PageNumText.ToLower();
currentPageInfo.IsLetter = true;
}
else
{
currentPageInfo.IsRoman = true;
}
}
else
{
if (LetterRegex.IsMatch(currentText.Trim()))
{
currentPageInfo.PageNumText = LetterRegex.Match(currentText).Value.Trim();
currentPageInfo.IsLetter = true;
}
else
{
// Check if whole page is empty
parser.ProcessContent(currentPage, (listener = new ImageRenderListener()));
ITextExtractionStrategy currentTextRectangle = MakeRectangle(1, 1, 1000000, 1000000);
String checkText = PdfTextExtractor.GetTextFromPage(pdfReader, currentPage, currentTextRectangle);
checkText = Encoding.UTF8.GetString(Encoding.Convert(Encoding.Default, Encoding.UTF8, Encoding.Default.GetBytes(checkText)));
if ((listener.Images.Count <= 0) && String.IsNullOrWhiteSpace(checkText))
{
currentPageInfo.IsWholePageEmpty = true;
currentPageInfo.IsPageNumAreaBlank = true;
}
else
{
if (String.IsNullOrWhiteSpace(currentText))
{
currentPageInfo.IsPageNumAreaBlank = true;
}
else
{
if (indexRegex.IsMatch(currentText.Trim()))
{
currentPageInfo.PageNumText = indexRegex.Match(currentText).Value.Trim();
currentPageInfo.IsIndex = true;
}
else
{
currentPageInfo.PageNumText = currentText;
currentPageInfo.IsMisc = true;
}
}
}
}
}
}
}
if (Bw.CancellationPending)
{
myLogger.Log("Processing cancelled at dwg #: " + currentPage.ToString());
break;
}
Bw.ReportProgress(Utils.GetPercentage(currentPage, pdfReader.NumberOfPages));
docInfo.Pages.Add(currentPageInfo);
}
}
WriteDocInfoToTextFile(docInfo);
}
catch (System.Exception se)
{
return(se.Message);
}
finally
{
AfterProcessing();
}
return(String.Concat(docInfo.ToString(),
Environment.NewLine,
"Processing completed in ",
timer.Elapsed.TotalSeconds.PrintTimeFromSeconds(),
Environment.NewLine,
myLogger.ErrorCount.ToString(),
" errors found."));
//return String.Concat(
// docInfo.NumSheets,
// "Processing completed in ",
// timer.Elapsed.TotalSeconds.PrintTimeFromSeconds(),
// " with ",
// myLogger.ErrorCount,
// " errors.");
}
private void WriteDocInfoToTextFile(DocInfo docInfo)
{
Regex DashRegex = new Regex("–");
Regex blankRegex = new Regex(@"/blank$");
int convertedRoman = -1;
String lastWpPageNum = String.Empty;
string[] dashedNums = new string[2];
int currentWpCount = 0;
int wpCount = 0;
string currentWorkPackageNumber = String.Empty;
using (StreamWriter sw = new StreamWriter(ExportFilePath))
{
sw.Write("PDF Page #\tWork Package\t\tFull Page #" + Environment.NewLine + Environment.NewLine);
foreach (PageInfo currentPageInfo in docInfo.Pages)
{
if (Bw.CancellationPending || Bw == null)
{
myLogger.Log("Processing cancelled while exporting PDF information to text file");
break;
}
// Is Work Package ?
if (currentPageInfo.IsWP)
{
dashedNums = DashRegex.Split(currentPageInfo.PageNumText);
if (dashedNums[0] == currentWorkPackageNumber)
{
currentWpCount++;
}
else
{
if (currentWorkPackageNumber != String.Empty)
{
sw.Write("WP page count for WP" + currentWorkPackageNumber + ": " + currentWpCount + Environment.NewLine + Environment.NewLine);
}
wpCount++;
currentWorkPackageNumber = dashedNums[0];
currentWpCount = 1;
}
sw.Write(currentPageInfo.PageNum + "\t\t\t" + dashedNums[0] + "\t\t" + currentPageInfo.PageNumText + (currentPageInfo.HasWpIndex ? " - WP INDEX" : "") + Environment.NewLine);
continue;
}
// Is Dash Blank ?
if (currentPageInfo.IsDashBlank)
{
dashedNums = DashRegex.Split(blankRegex.Replace(currentPageInfo.PageNumText, " "));
if (dashedNums[0] == currentWorkPackageNumber)
{
currentWpCount++;
}
else
{
if (currentWorkPackageNumber != String.Empty)
{
sw.Write("WP page count for WP " + currentWorkPackageNumber + ": " + currentWpCount + Environment.NewLine + Environment.NewLine);
}
wpCount++;
currentWorkPackageNumber = dashedNums[0];
currentWpCount = 1;
}
sw.Write(currentPageInfo.PageNum + "\t\t\t" + dashedNums[0] + "\t\t" + currentPageInfo.PageNumText + (currentPageInfo.HasWpIndex ? " - WP INDEX" : "") + Environment.NewLine);
lastWpPageNum = currentWorkPackageNumber;
continue;
}
if (currentPageInfo.IsRoman)
{
convertedRoman = RomanToNumber(currentPageInfo.PageNumText.Trim().ToUpper());
sw.Write(currentPageInfo.PageNum + "\t\t\t\t\t" + currentPageInfo.PageNumText + " (" + convertedRoman + ")" + (currentPageInfo.HasWpIndex ? " - WP INDEX" : "") + Environment.NewLine);
continue;
}
if (currentPageInfo.IsLetter)
{
sw.Write(currentPageInfo.PageNum + "\t\t\t\t\t" + currentPageInfo.PageNumText + (currentPageInfo.HasWpIndex ? " - WP INDEX" : "") + Environment.NewLine);
continue;
}
if (currentPageInfo.IsMisc)
{
sw.Write(currentPageInfo.PageNum + "\t\t\t\t\t" + (currentPageInfo.PageNumText.Length > 15 ? currentPageInfo.PageNumText.Substring(0, 15) : currentPageInfo.PageNumText) + (currentPageInfo.HasWpIndex ? " - WP INDEX" : "") + Environment.NewLine);
continue;
}
if (currentPageInfo.IsPageNumAreaBlank)
{
sw.Write(currentPageInfo.PageNum + "\t\t\t\t\t" + "*No Page #*" + (currentPageInfo.HasWpIndex ? " - WP INDEX" : "") + Environment.NewLine);
continue;
}
if (currentPageInfo.IsWholePageEmpty)
{
sw.Write(currentPageInfo.PageNum + "\t\t\t\t\t" + "*Empty Page*" + (currentPageInfo.HasWpIndex ? " - WP INDEX" : "") + Environment.NewLine);
continue;
}
if (currentPageInfo.IsIndex)
{
sw.Write(currentPageInfo.PageNum + "\t\t\t\t\t" + currentPageInfo.PageNumText + (currentPageInfo.HasWpIndex ? " - WP INDEX" : "") + Environment.NewLine);
continue;
}
}
sw.Write("WP page count for WP " + currentWorkPackageNumber + ": " + currentWpCount + Environment.NewLine + Environment.NewLine);
sw.Write("Number of total Work Packages: " + wpCount + Environment.NewLine);
}
//int i = docInfo.NumPrintable;
return;
}