subversion/tests/libsvn_delta/svndiff-test.c

   1 /* svndiff-test.c -- test driver for text deltas
   2  *
   3  * ====================================================================
   4  * Copyright (c) 2000-2004 CollabNet.  All rights reserved.
   5  *
   6  * This software is licensed as described in the file COPYING, which
   7  * you should have received as part of this distribution.  The terms
   8  * are also available at http://subversion.tigris.org/license-1.html.
   9  * If newer versions of this license are posted there, you may use a
  10  * newer version instead, at your option.
  11  *
  12  * This software consists of voluntary contributions made by many
  13  * individuals.  For exact contribution history, see the revision
  14  * history and logs, available at http://subversion.tigris.org/.
  15  * ====================================================================
  16  */
  17
  18 #include <ctype.h>
  19 #include <stdio.h>
  20 #include <string.h>
  21 #include <apr_general.h>
  22 #include "svn_base64.h"
  23 #include "svn_quoprint.h"
  24 #include "svn_pools.h"
  25 #include "svn_delta.h"
  26 #include "svn_error.h"
  27
  28
  29 int
  30 main(int argc, char **argv)
  31 {
  32   svn_error_t *err;
  33   apr_status_t apr_err;
  34   apr_file_t *source_file;
  35   apr_file_t *target_file;
  36   svn_stream_t *stdout_stream;
  37   svn_txdelta_stream_t *txdelta_stream;
  38   svn_txdelta_window_handler_t svndiff_handler;
  39   svn_stream_t *encoder;
  40   void *svndiff_baton;
  41   apr_pool_t *pool;
  42   int version = 0;
  43
  44   if (argc < 3)
  45     {
  46       printf("usage: %s source target [version]\n", argv[0]);
  47       exit(0);
  48     }
  49
  50   apr_initialize();
  51   pool = svn_pool_create(NULL);
  52   apr_err = apr_file_open(&source_file, argv[1], (APR_READ | APR_BINARY),
  53                           APR_OS_DEFAULT, pool);
  54   if (apr_err)
  55     {
  56       fprintf(stderr, "unable to open \"%s\" for reading\n", argv[1]);
  57       exit(1);
  58     }
  59
  60   apr_err = apr_file_open(&target_file, argv[2], (APR_READ | APR_BINARY),
  61                           APR_OS_DEFAULT, pool);
  62   if (apr_err)
  63     {
  64       fprintf(stderr, "unable to open \"%s\" for reading\n", argv[2]);
  65       exit(1);
  66     }
  67   if (argc == 4)
  68     version = atoi(argv[3]);
  69
  70   svn_txdelta(&txdelta_stream,
  71               svn_stream_from_aprfile(source_file, pool),
  72               svn_stream_from_aprfile(target_file, pool),
  73               pool);
  74
  75   err = svn_stream_for_stdout(&stdout_stream, pool);
  76   if (err)
  77     svn_handle_error2(err, stdout, TRUE, "svndiff-test: ");
  78
  79 #ifdef QUOPRINT_SVNDIFFS
  80   encoder = svn_quoprint_encode(stdout_stream, pool);
  81 #else
  82   encoder = svn_base64_encode(stdout_stream, pool);
  83 #endif
  84   svn_txdelta_to_svndiff2(&svndiff_handler, &svndiff_baton,
  85                           encoder, version, pool);
  86   err = svn_txdelta_send_txstream(txdelta_stream,
  87                                   svndiff_handler,
  88                                   svndiff_baton,
  89                                   pool);
  90   if (err)
  91     svn_handle_error2(err, stdout, TRUE, "svndiff-test: ");
  92
  93   apr_file_close(source_file);
  94   apr_file_close(target_file);
  95   svn_pool_destroy(pool);
  96   apr_terminate();
  97   exit(0);
  98 }