Move pdfiototext to examples.

examples/Makefile

@@ -23,6 +23,7 @@ TARGETS		=	\
 			code128 \
 			image2pdf \
 			md2pdf \
+			pdf2text \
 			pdfioinfo
 
 
@@ -50,6 +51,11 @@ md2pdf:		md2pdf.c mmd.c mmd.h
 	$(CC) $(CFLAGS) -o $@ md2pdf.c mmd.c $(LIBS)
 
 
+# pdfio text extraction (demo, doesn't handle a lot of things yet)
+pdf2text:	pdf2text.c
+	$(CC) $(CFLAGS) -o $@ pdf2text.c $(LIBS)
+
+
 # pdfioinfo
 pdfioinfo:	pdfioinfo.c
 	$(CC) $(CFLAGS) -o $@ pdfioinfo.c $(LIBS)

examples/pdf2text.c

@@ -0,0 +1,89 @@
+//
+// PDF to text program for PDFio.
+//
+// Copyright © 2022-2024 by Michael R Sweet.
+//
+// Licensed under Apache License v2.0.  See the file "LICENSE" for more
+// information.
+//
+// Usage:
+//
+//   ./pdf2text FILENAME.pdf > FILENAME.txt
+//
+
+#include <pdfio.h>
+#include <string.h>
+
+
+//
+// 'main()' - Main entry.
+//
+
+int					// O - Exit status
+main(int  argc,				// I - Number of command-line arguments
+     char *argv[])			// I - Command-line arguments
+{
+  pdfio_file_t	*file;			// PDF file
+  size_t	i, j,			// Looping vars
+		num_pages,		// Number of pages
+		num_streams;		// Number of streams for page
+  pdfio_obj_t	*obj;			// Current page object
+  pdfio_stream_t *st;			// Current page content stream
+  char		buffer[1024];		// String buffer
+  bool		first;			// First string token?
+
+
+  // Verify command-line arguments...
+  if (argc != 2)
+  {
+    puts("Usage: pdf2text FILENAME.pdf > FILENAME.txt");
+    return (1);
+  }
+
+  // Open the PDF file...
+  if ((file = pdfioFileOpen(argv[1], /*password_cb*/NULL, /*password_data*/NULL, /*error_cb*/NULL, /*error_data*/NULL)) == NULL)
+    return (1);
+
+  // Try grabbing content from all of the pages...
+  for (i = 0, num_pages = pdfioFileGetNumPages(file); i < num_pages; i ++)
+  {
+    if ((obj = pdfioFileGetPage(file, i)) == NULL)
+      continue;
+
+    num_streams = pdfioPageGetNumStreams(obj);
+
+    for (j = 0; j < num_streams; j ++)
+    {
+      if ((st = pdfioPageOpenStream(obj, j, true)) == NULL)
+	continue;
+
+      first = true;
+      while (pdfioStreamGetToken(st, buffer, sizeof(buffer)))
+      {
+	if (buffer[0] == '(')
+	{
+	  if (first)
+	    first = false;
+	  else if (buffer[1] != ' ')
+	    putchar(' ');
+
+	  fputs(buffer + 1, stdout);
+	}
+	else if (!strcmp(buffer, "Td") || !strcmp(buffer, "TD") || !strcmp(buffer, "T*") || !strcmp(buffer, "\'") || !strcmp(buffer, "\""))
+	{
+	  putchar('\n');
+	  first = true;
+	}
+      }
+
+      if (!first)
+	putchar('\n');
+
+      pdfioStreamClose(st);
+    }
+  }
+
+  pdfioFileClose(file);
+
+  return (0);
+}