private void BtnExtractClick(object sender, RoutedEventArgs e)
{
string pdfFilePath = tbPdfPath.Text;
if (!File.Exists(pdfFilePath))
{
MessageBox.Show("PDF file does not exist!");
return;
}
var pdfData = ContentRetreivalUtils.GetExtractedInfo(pdfFilePath);
tbExtractedInfo.Text = pdfData == null ? "null" : pdfData.ToString();
tbLayoutView.Text = PdfReadingUtils.ReadLayoutedView(pdfFilePath);
//tbRawContent.Text = PdfReadingUtils.ReadRawContent(pdfFilePath);
tbLayoutContent.Text = PdfReadingUtils.ReadVisibleLayoutContent(pdfFilePath);
//tbHtmlContent.Text = PdfReadingUtils.ReadHtmlMetaContent(pdfFilePath);
//try
//{
// browser.NavigateToString(tbHtmlContent.Text);
//}
//catch
//{
//}
//tbPdfInfo.Text = PdfReadingUtils.ReadPdfInfo(pdfFilePath);
}
public static PdfExtractedData GetExtractedInfo(string pdfFilePath)
{
string firstPageContent = PdfReadingUtils.ReadPdfContent(pdfFilePath, 1);
var firstPartData = BuildFirstPartPdfData(firstPageContent);
PdfExtractedData pdfData = null;
pdfData = ExtractFromUnknownPdf(firstPartData);
if (pdfData == null || pdfData.IsTitleInValid())
{
string allFileContent = PdfReadingUtils.ReadPdfContent(pdfFilePath);
var dois = FindDoi(allFileContent);
if (dois != null && dois.Count > 0)
{
pdfData = new PdfExtractedData {
Dois = dois
};
}
}
if (pdfData != null) // || String.IsNullOrWhiteSpace(pdfData.Title))
{
string baseFileName = System.IO.Path.GetFileNameWithoutExtension(pdfFilePath);
int fileNameYear;
string fileNamePub;
if (ExtractInfoFromFileName(baseFileName, out fileNameYear, out fileNamePub))
{
if (pdfData.Year < 0)
{
pdfData.Year = fileNameYear;
}
if (String.IsNullOrWhiteSpace(pdfData.PubName))
{
pdfData.PubName = fileNamePub;
}
}
if (pdfData.IsTitleInValid() && pdfData.Dois == null)
{
return(null);
}
else
{
return(pdfData);
}
}
return(null);
}