Adding a scratch pad

Functions to quickly analyze and extract from PDF files.

Author: sambitdash

test/helpers.jl

@@ -0,0 +1,35 @@
+#This has very limited methods created to use the PDFIO functionality for
+#testing and quick prototyping. While you can use them to get some of the
+#regular testing these are not currently part of the core library.
+
+using PDFIO
+using PDFIO.Common
+using PDFIO.Cos
+using PDFIO.PD
+
+function pdfhlp_extract_doc_content_to_dir(filename,dir=tempdir())
+  file=rsplit(filename, '/',limit=2)
+  filenm=file[end]
+  dirpath=joinpath(dir,filenm)
+  if isdir(dirpath)
+    rm(dirpath; force=true, recursive=true)
+  end
+  mkdir(dirpath)
+  doc=pdDocOpen(filename)
+  try
+    npage= pdDocGetPageCount(doc)
+    for i=1:npage
+      page = pdDocGetPage(doc, i)
+      if pdPageIsEmpty(page)==false
+        contents=pdPageGetContents(page)
+        bufstm = get(contents)
+        buf = read(bufstm)
+        close(bufstm)
+        path=joinpath(dirpath,string(i)*".txt")
+        write(path, buf)
+      end
+    end
+  finally
+    pdDocClose(doc)
+  end
+end