using
System;
using iTextSharp.text;
using iTextSharp.text.pdf;
using System.IO;
/// <summary> List the name and position of the fields. </summary>
/// <author> Paulo Soares
/// </author>
public class DumpFields
{
/// <param name="args"> the command line arguments </param>
[STAThread]
public static void Main( string [] args)
{
if (args.Length < 2 )
{
System.Console.Error.WriteLine( " Dumps the field positions of a PDF document. " );
System.Console.Error.WriteLine( " The output format is a text file where the first line is the field " );
System.Console.Error.WriteLine( " name and the second line is: " );
System.Console.Error.WriteLine( " page x1 y1 x2 y2 " );
System.Console.Error.WriteLine( " This is repeated for each field. " );
System.Console.Error.WriteLine( " usage: DumpFields pdf_file field_list " );
return ;
}
try
{
PdfReader reader = new PdfReader(args[ 0 ]);
StreamWriter out_Renamed = new StreamWriter( new FileStream(args[ 1 ], FileMode.Create), System.Text.Encoding.Default);
PRAcroForm form = reader.AcroForm;
if (form == null )
{
out_Renamed.Close();
System.Console.Out.WriteLine( " This document has no fields. " );
return ;
}
// PdfLister list = new PdfLister(System.Console.OpenStandardOutput());
System.Collections.Hashtable refToField = new System.Collections.Hashtable();
System.Collections.ArrayList fields = form.Fields;
for ( int k = 0 ; k < fields.Count; ++ k)
{
PRAcroForm.FieldInformation field = (PRAcroForm.FieldInformation) fields[k];
refToField[field.Ref.Number] = field;
}
for ( int page = 1 ; page <= reader.NumberOfPages; ++ page)
{
PdfDictionary dPage = reader.GetPageN(page);
PdfArray annots = (PdfArray) PdfReader.GetPdfObject((PdfObject) dPage.Get(PdfName.ANNOTS));
if (annots == null )
continue ;
System.Collections.ArrayList ali = annots.ArrayList;
for ( int annot = 0 ; annot < ali.Count; ++ annot)
{
PdfObject refObj = (PdfObject) ali[annot];
PRIndirectReference ref_Renamed = null ;
PdfDictionary an = (PdfDictionary) PdfReader.GetPdfObject(refObj);
PdfName name = (PdfName) an.Get(PdfName.SUBTYPE);
if (name == null || ! name.Equals(PdfName.WIDGET))
continue ;
PdfArray rect = (PdfArray) PdfReader.GetPdfObject(an.Get(PdfName.RECT));
string fName = "" ;
PRAcroForm.FieldInformation field = null ;
while (an != null )
{
PdfString tName = (PdfString) an.Get(PdfName.T);
if (tName != null )
fName = tName.ToString() + " . " + fName;
if (refObj.Type == PdfObject.INDIRECT && field == null )
{
ref_Renamed = (PRIndirectReference) refObj;
field = (PRAcroForm.FieldInformation) refToField[ref_Renamed.Number];
}
refObj = (PdfObject) an.Get(PdfName.PARENT);
an = (PdfDictionary) PdfReader.GetPdfObject(refObj);
}
if (fName.EndsWith( " . " ))
fName = fName.Substring( 0 , (fName.Length - 1 ) - ( 0 ));
out_Renamed.WriteLine(fName);
out_Renamed.Write(page);
System.Collections.ArrayList arr = rect.ArrayList;
for ( int r = 0 ; r < 4 ; ++ r)
{
PdfNumber num = (PdfNumber) PdfReader.GetPdfObject((PdfObject) arr[r]);
out_Renamed.Write( " " + num.FloatValue);
}
out_Renamed.WriteLine();
}
}
out_Renamed.Close();
System.Console.Out.WriteLine( " Finished. " );
}
catch (System.Exception e)
{
System.Console.Error.WriteLine(e.Message);
}
}
}
using iTextSharp.text;
using iTextSharp.text.pdf;
using System.IO;
/// <summary> List the name and position of the fields. </summary>
/// <author> Paulo Soares
/// </author>
public class DumpFields
{
/// <param name="args"> the command line arguments </param>
[STAThread]
public static void Main( string [] args)
{
if (args.Length < 2 )
{
System.Console.Error.WriteLine( " Dumps the field positions of a PDF document. " );
System.Console.Error.WriteLine( " The output format is a text file where the first line is the field " );
System.Console.Error.WriteLine( " name and the second line is: " );
System.Console.Error.WriteLine( " page x1 y1 x2 y2 " );
System.Console.Error.WriteLine( " This is repeated for each field. " );
System.Console.Error.WriteLine( " usage: DumpFields pdf_file field_list " );
return ;
}
try
{
PdfReader reader = new PdfReader(args[ 0 ]);
StreamWriter out_Renamed = new StreamWriter( new FileStream(args[ 1 ], FileMode.Create), System.Text.Encoding.Default);
PRAcroForm form = reader.AcroForm;
if (form == null )
{
out_Renamed.Close();
System.Console.Out.WriteLine( " This document has no fields. " );
return ;
}
// PdfLister list = new PdfLister(System.Console.OpenStandardOutput());
System.Collections.Hashtable refToField = new System.Collections.Hashtable();
System.Collections.ArrayList fields = form.Fields;
for ( int k = 0 ; k < fields.Count; ++ k)
{
PRAcroForm.FieldInformation field = (PRAcroForm.FieldInformation) fields[k];
refToField[field.Ref.Number] = field;
}
for ( int page = 1 ; page <= reader.NumberOfPages; ++ page)
{
PdfDictionary dPage = reader.GetPageN(page);
PdfArray annots = (PdfArray) PdfReader.GetPdfObject((PdfObject) dPage.Get(PdfName.ANNOTS));
if (annots == null )
continue ;
System.Collections.ArrayList ali = annots.ArrayList;
for ( int annot = 0 ; annot < ali.Count; ++ annot)
{
PdfObject refObj = (PdfObject) ali[annot];
PRIndirectReference ref_Renamed = null ;
PdfDictionary an = (PdfDictionary) PdfReader.GetPdfObject(refObj);
PdfName name = (PdfName) an.Get(PdfName.SUBTYPE);
if (name == null || ! name.Equals(PdfName.WIDGET))
continue ;
PdfArray rect = (PdfArray) PdfReader.GetPdfObject(an.Get(PdfName.RECT));
string fName = "" ;
PRAcroForm.FieldInformation field = null ;
while (an != null )
{
PdfString tName = (PdfString) an.Get(PdfName.T);
if (tName != null )
fName = tName.ToString() + " . " + fName;
if (refObj.Type == PdfObject.INDIRECT && field == null )
{
ref_Renamed = (PRIndirectReference) refObj;
field = (PRAcroForm.FieldInformation) refToField[ref_Renamed.Number];
}
refObj = (PdfObject) an.Get(PdfName.PARENT);
an = (PdfDictionary) PdfReader.GetPdfObject(refObj);
}
if (fName.EndsWith( " . " ))
fName = fName.Substring( 0 , (fName.Length - 1 ) - ( 0 ));
out_Renamed.WriteLine(fName);
out_Renamed.Write(page);
System.Collections.ArrayList arr = rect.ArrayList;
for ( int r = 0 ; r < 4 ; ++ r)
{
PdfNumber num = (PdfNumber) PdfReader.GetPdfObject((PdfObject) arr[r]);
out_Renamed.Write( " " + num.FloatValue);
}
out_Renamed.WriteLine();
}
}
out_Renamed.Close();
System.Console.Out.WriteLine( " Finished. " );
}
catch (System.Exception e)
{
System.Console.Error.WriteLine(e.Message);
}
}
}
本文转自
RubyPdf 的中文博客博客园博客，原文链接：
http://www.cnblogs.com/hardrock/archive/2006/07/19/454386.html，如需转载请自行联系原作者
