BaseTools/Capsule: Do not support -o with --dump-info

[mirror_edk2.git] / BeagleBoardPkg / Tools / replace.c

//\r
// Quick hack to work around not having sed, or any other reasonable\r
// way to edit a file from a script on Windows......\r
//\r
// Copyright (c) 2010, Apple Inc. All rights reserved.<BR>\r
//\r
//  This program and the accompanying materials\r
//  are licensed and made available under the terms and conditions of the BSD License\r
//  which accompanies this distribution.  The full text of the license may be found at\r
//  http://opensource.org/licenses/bsd-license.php\r
//\r
//  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
//  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
//\r
\r
#include <stdio.h>\r
#include <stdlib.h>\r
#include <limits.h>\r
\r
#define TRUE  1\r
#define FALSE 0\r
\r
typedef struct {\r
  char  *Match;\r
  int   MatchSize;\r
  char  *Replace;\r
} MATCH_PAIR;\r
\r
void\r
Usage (char *Name)\r
{\r
  printf ("\n%s OldFile NewFile MatchString ReplaceString [MatchString2 ReplaceString2]*\n", Name);\r
  printf ("    OldFile - Must be arg[1] File to search for MatchStrings\n");\r
  printf ("    NewFile - Must be arg[2] File where MatchString has been replaced with ReplaceString\n");\r
  printf ("    MatchString & ReplaceString. Required arguments.\n");\r
  printf ("    More MatchString/ReplaceString pairs are supported.\n");\r
}\r
\r
//\r
// argv[1] - Old File\r
// argv[2] - New File\r
// argv[3+n] - Match String\r
// argv[4+n] - Replace string\r
int\r
main (int argc, char **argv)\r
{\r
  FILE *In, *Out;\r
  char *Key, *Replace;\r
  int  c, i, n, Len, MaxLenKey = 0, MinLenKey = INT_MAX;\r
  unsigned long  InFileSize, InFilePos;\r
  MATCH_PAIR *Match;\r
  int MaxMatch;\r
  int ReadCount;\r
  int Found;\r
\r
  if (argc < 5) {\r
    fprintf (stderr, "Need at least two files and one Match/Replacement string pair\n");\r
    Usage (argv[0]);\r
    return -1;\r
  } else if ((argc % 2) == 0) {\r
    fprintf (stderr, "Match and Replace string must come in pairs\n");\r
    return -4;\r
  }\r
\r
  In  = fopen (argv[1], "r");\r
  fseek (In, 0, SEEK_END);\r
  InFileSize = ftell (In);\r
  if (InFileSize == 0) {\r
    fprintf (stderr, "Could not open %s\n", argv[1]);\r
    return -6;\r
  }\r
  fseek (In, 0, SEEK_SET);\r
\r
\r
  Out = fopen (argv[2], "w+");\r
  if ((In == NULL) || (Out == NULL)) {\r
    fprintf (stderr, "Could not open %s\n", argv[2]);\r
    return -2;\r
  }\r
\r
  MaxMatch = (argc - 2)/2;\r
  Match = calloc (MaxMatch, sizeof (MATCH_PAIR));\r
  if (Match == NULL) {\r
    return -7;\r
  }\r
\r
  for (n=0; n < MaxMatch; n++) {\r
    Match[n].Match   = argv[3 + n*2];\r
    Match[n].MatchSize = strlen (argv[3 + n*2]);\r
    Match[n].Replace = argv[3 + n*2 + 1];\r
    if (Match[n].MatchSize > MaxLenKey) {\r
      // Max size of match/replace string pair\r
      MaxLenKey = Match[n].MatchSize;\r
    }\r
    if (Match[n].MatchSize < MinLenKey) {\r
      MinLenKey = Match[n].MatchSize;\r
    }\r
  }\r
\r
  Key = malloc (MaxLenKey);\r
  if (Key == NULL) {\r
    return -5;\r
  }\r
\r
  // Search for a match by reading every possition of the file\r
  // into a buffer that is as big as the maximum search key size.\r
  // Then we can search the keys for a match. If no match\r
  // copy the old file character to the new file. If it is a match\r
  // then copy the replacement string into the output file.\r
  // This code assumes the file system is smart and caches the\r
  // file in a buffer. So all the reads don't really hit the disk.\r
  InFilePos = 0;\r
  while (InFilePos < (InFileSize - MinLenKey)) {\r
    fseek (In, InFilePos, SEEK_SET);\r
    ReadCount = fread (Key, 1, MaxLenKey, In);\r
    for (i = 0, Found = FALSE;i < MaxMatch; i++) {\r
      if (ReadCount >= Match[i].MatchSize) {\r
        if (!memcmp (Key, Match[i].Match, Match[i].MatchSize)) {\r
          InFilePos += (Match[i].MatchSize - 1);\r
          fputs (Match[i].Replace, Out);\r
          Found = TRUE;\r
          break;\r
        }\r
      }\r
    }\r
    if (!Found) {\r
      fputc (Key[0], Out);\r
    }\r
\r
    InFilePos++;\r
  }\r
\r
  // We stoped searching when we got to the point that we could no longer match.\r
  // So the last few bytes of the file are not copied in the privous loop\r
  fseek (In, InFilePos, SEEK_SET);\r
  while ((c = fgetc (In)) != EOF) {\r
    fputc (c, Out);\r
  }\r
\r
  fclose (In);\r
  fclose (Out);\r
  free (Key);\r
  free (Match);\r
  return 0;\r
}\r
\r