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Diffstat (limited to 'ffmpeg/tools/ffescape.c')
| -rw-r--r-- | ffmpeg/tools/ffescape.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/ffmpeg/tools/ffescape.c b/ffmpeg/tools/ffescape.c deleted file mode 100644 index 0530d28..0000000 --- a/ffmpeg/tools/ffescape.c +++ /dev/null @@ -1,180 +0,0 @@ -/* - * Copyright (c) 2012 Stefano Sabatini - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "config.h" -#if HAVE_UNISTD_H -#include <unistd.h> /* getopt */ -#endif - -#include "libavutil/log.h" -#include "libavutil/bprint.h" - -#if !HAVE_GETOPT -#include "compat/getopt.c" -#endif - -/** - * @file - * escaping utility - */ - -static void usage(void) -{ - printf("Escape an input string, adopting the av_get_token() escaping logic\n"); - printf("usage: ffescape [OPTIONS]\n"); - printf("\n" - "Options:\n" - "-e echo each input line on output\n" - "-f flag select an escape flag, can assume the values 'whitespace' and 'strict'\n" - "-h print this help\n" - "-i INFILE set INFILE as input file, stdin if omitted\n" - "-l LEVEL set the number of escaping levels, 1 if omitted\n" - "-m ESCAPE_MODE select escape mode between 'auto', 'backslash', 'quote'\n" - "-o OUTFILE set OUTFILE as output file, stdout if omitted\n" - "-p PROMPT set output prompt, is '=> ' by default\n" - "-s SPECIAL_CHARS set the list of special characters\n"); -} - -int main(int argc, char **argv) -{ - AVBPrint src; - char *src_buf, *dst_buf; - const char *outfilename = NULL, *infilename = NULL; - FILE *outfile = NULL, *infile = NULL; - const char *prompt = "=> "; - enum AVEscapeMode escape_mode = AV_ESCAPE_MODE_AUTO; - int escape_flags = 0; - int level = 1; - int echo = 0; - char *special_chars = NULL; - int c; - - while ((c = getopt(argc, argv, "ef:hi:l:o:m:p:s:")) != -1) { - switch (c) { - case 'e': - echo = 1; - break; - case 'h': - usage(); - return 0; - case 'i': - infilename = optarg; - break; - case 'f': - if (!strcmp(optarg, "whitespace")) escape_flags |= AV_ESCAPE_FLAG_WHITESPACE; - else if (!strcmp(optarg, "strict")) escape_flags |= AV_ESCAPE_FLAG_STRICT; - else { - av_log(NULL, AV_LOG_ERROR, - "Invalid value '%s' for option -f, " - "valid arguments are 'whitespace', and 'strict'\n", optarg); - return 1; - } - break; - case 'l': - { - char *tail; - long int li = strtol(optarg, &tail, 10); - if (*tail || li > INT_MAX || li < 0) { - av_log(NULL, AV_LOG_ERROR, - "Invalid value '%s' for option -l, argument must be a non negative integer\n", - optarg); - return 1; - } - level = li; - break; - } - case 'm': - if (!strcmp(optarg, "auto")) escape_mode = AV_ESCAPE_MODE_AUTO; - else if (!strcmp(optarg, "backslash")) escape_mode = AV_ESCAPE_MODE_BACKSLASH; - else if (!strcmp(optarg, "quote")) escape_mode = AV_ESCAPE_MODE_QUOTE; - else { - av_log(NULL, AV_LOG_ERROR, - "Invalid value '%s' for option -m, " - "valid arguments are 'backslash', and 'quote'\n", optarg); - return 1; - } - break; - case 'o': - outfilename = optarg; - break; - case 'p': - prompt = optarg; - break; - case 's': - special_chars = optarg; - break; - case '?': - return 1; - } - } - - if (!infilename || !strcmp(infilename, "-")) { - infilename = "stdin"; - infile = stdin; - } else { - infile = fopen(infilename, "r"); - } - if (!infile) { - av_log(NULL, AV_LOG_ERROR, "Impossible to open input file '%s': %s\n", infilename, strerror(errno)); - return 1; - } - - if (!outfilename || !strcmp(outfilename, "-")) { - outfilename = "stdout"; - outfile = stdout; - } else { - outfile = fopen(outfilename, "w"); - } - if (!outfile) { - av_log(NULL, AV_LOG_ERROR, "Impossible to open output file '%s': %s\n", outfilename, strerror(errno)); - return 1; - } - - /* grab the input and store it in src */ - av_bprint_init(&src, 1, AV_BPRINT_SIZE_UNLIMITED); - while ((c = fgetc(infile)) != EOF) - av_bprint_chars(&src, c, 1); - av_bprint_chars(&src, 0, 1); - - if (!av_bprint_is_complete(&src)) { - av_log(NULL, AV_LOG_ERROR, "Could not allocate a buffer for the source string\n"); - av_bprint_finalize(&src, NULL); - return 1; - } - av_bprint_finalize(&src, &src_buf); - - if (echo) - fprintf(outfile, "%s", src_buf); - - /* escape */ - dst_buf = src_buf; - while (level--) { - if (av_escape(&dst_buf, src_buf, special_chars, escape_mode, escape_flags) < 0) { - av_log(NULL, AV_LOG_ERROR, "Could not escape string\n"); - return 1; - } - av_free(src_buf); - src_buf = dst_buf; - } - - fprintf(outfile, "%s%s", prompt, dst_buf); - av_free(dst_buf); - return 0; -} |