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Diffstat (limited to '')
-rw-r--r-- | src/metaflac/options.c | 1146 |
1 files changed, 1146 insertions, 0 deletions
diff --git a/src/metaflac/options.c b/src/metaflac/options.c new file mode 100644 index 0000000..1b4b6f6 --- /dev/null +++ b/src/metaflac/options.c @@ -0,0 +1,1146 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "options.h" +#include "usage.h" +#include "utils.h" +#include "FLAC/assert.h" +#include "share/alloc.h" +#include "share/compat.h" +#include "share/grabbag/replaygain.h" +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* + share__getopt format struct; note we don't use short options so we just + set the 'val' field to 0 everywhere to indicate a valid option. +*/ +struct share__option long_options_[] = { + /* global options */ + { "preserve-modtime", 0, 0, 0 }, + { "with-filename", 0, 0, 0 }, + { "no-filename", 0, 0, 0 }, + { "no-utf8-convert", 0, 0, 0 }, + { "dont-use-padding", 0, 0, 0 }, + { "no-cued-seekpoints", 0, 0, 0 }, + /* shorthand operations */ + { "show-md5sum", 0, 0, 0 }, + { "show-min-blocksize", 0, 0, 0 }, + { "show-max-blocksize", 0, 0, 0 }, + { "show-min-framesize", 0, 0, 0 }, + { "show-max-framesize", 0, 0, 0 }, + { "show-sample-rate", 0, 0, 0 }, + { "show-channels", 0, 0, 0 }, + { "show-bps", 0, 0, 0 }, + { "show-total-samples", 0, 0, 0 }, + { "set-md5sum", 1, 0, 0 }, /* undocumented */ + { "set-min-blocksize", 1, 0, 0 }, /* undocumented */ + { "set-max-blocksize", 1, 0, 0 }, /* undocumented */ + { "set-min-framesize", 1, 0, 0 }, /* undocumented */ + { "set-max-framesize", 1, 0, 0 }, /* undocumented */ + { "set-sample-rate", 1, 0, 0 }, /* undocumented */ + { "set-channels", 1, 0, 0 }, /* undocumented */ + { "set-bps", 1, 0, 0 }, /* undocumented */ + { "set-total-samples", 1, 0, 0 }, /* undocumented */ /* WATCHOUT: used by test/test_flac.sh on windows */ + { "show-vendor-tag", 0, 0, 0 }, + { "show-all-tags", 0, 0, 0 }, + { "show-tag", 1, 0, 0 }, + { "remove-all-tags", 0, 0, 0 }, + { "remove-all-tags-except", 1, 0, 0 }, + { "remove-tag", 1, 0, 0 }, + { "remove-first-tag", 1, 0, 0 }, + { "set-tag", 1, 0, 0 }, + { "set-tag-from-file", 1, 0, 0 }, + { "import-tags-from", 1, 0, 0 }, + { "export-tags-to", 1, 0, 0 }, + { "import-cuesheet-from", 1, 0, 0 }, + { "export-cuesheet-to", 1, 0, 0 }, + { "import-picture-from", 1, 0, 0 }, + { "export-picture-to", 1, 0, 0 }, + { "add-seekpoint", 1, 0, 0 }, + { "add-replay-gain", 0, 0, 0 }, + { "scan-replay-gain", 0, 0, 0 }, + { "remove-replay-gain", 0, 0, 0 }, + { "add-padding", 1, 0, 0 }, + /* major operations */ + { "help", 0, 0, 0 }, + { "version", 0, 0, 0 }, + { "list", 0, 0, 0 }, + { "append", 0, 0, 0 }, + { "remove", 0, 0, 0 }, + { "remove-all", 0, 0, 0 }, + { "merge-padding", 0, 0, 0 }, + { "sort-padding", 0, 0, 0 }, + /* major operation arguments */ + { "block-number", 1, 0, 0 }, + { "block-type", 1, 0, 0 }, + { "except-block-type", 1, 0, 0 }, + { "data-format", 1, 0, 0 }, + { "application-data-format", 1, 0, 0 }, + { "from-file", 1, 0, 0 }, + {0, 0, 0, 0} +}; + +static FLAC__bool parse_option(int option_index, const char *option_argument, CommandLineOptions *options); +static void append_new_operation(CommandLineOptions *options, Operation operation); +static void append_new_argument(CommandLineOptions *options, Argument argument); +static Operation *append_major_operation(CommandLineOptions *options, OperationType type); +static Operation *append_shorthand_operation(CommandLineOptions *options, OperationType type); +static Argument *find_argument(CommandLineOptions *options, ArgumentType type); +static Operation *find_shorthand_operation(CommandLineOptions *options, OperationType type); +static Argument *append_argument(CommandLineOptions *options, ArgumentType type); +static FLAC__bool parse_md5(const char *src, FLAC__byte dest[16]); +static FLAC__bool parse_uint32(const char *src, FLAC__uint32 *dest); +static FLAC__bool parse_uint64(const char *src, FLAC__uint64 *dest); +static FLAC__bool parse_string(const char *src, char **dest); +static FLAC__bool parse_vorbis_comment_field_name(const char *field_ref, char **name, const char **violation); +static FLAC__bool parse_vorbis_comment_field_names(const char *field_ref, char **names, const char **violation); +static FLAC__bool parse_add_seekpoint(const char *in, char **out, const char **violation); +static FLAC__bool parse_add_padding(const char *in, unsigned *out); +static FLAC__bool parse_block_number(const char *in, Argument_BlockNumber *out); +static FLAC__bool parse_block_type(const char *in, Argument_BlockType *out); +static FLAC__bool parse_data_format(const char *in, Argument_DataFormat *out); +static FLAC__bool parse_application_data_format(const char *in, FLAC__bool *out); +static void undocumented_warning(const char *opt); + + +void init_options(CommandLineOptions *options) +{ + options->preserve_modtime = false; + + /* '2' is a hack to mean "use default if not forced on command line" */ + FLAC__ASSERT(true != 2); + options->prefix_with_filename = 2; + + options->utf8_convert = true; + options->use_padding = true; + options->cued_seekpoints = true; + options->show_long_help = false; + options->show_version = false; + options->data_format_is_binary = false; + options->data_format_is_binary_headerless = false; + options->application_data_format_is_hexdump = false; + + options->ops.operations = 0; + options->ops.num_operations = 0; + options->ops.capacity = 0; + + options->args.arguments = 0; + options->args.num_arguments = 0; + options->args.capacity = 0; + + options->args.checks.num_shorthand_ops = 0; + options->args.checks.num_major_ops = 0; + options->args.checks.has_block_type = false; + options->args.checks.has_except_block_type = false; + + options->num_files = 0; + options->filenames = 0; +} + +FLAC__bool parse_options(int argc, char *argv[], CommandLineOptions *options) +{ + int ret; + int option_index = 1; + FLAC__bool had_error = false; + + while ((ret = share__getopt_long(argc, argv, "", long_options_, &option_index)) != -1) { + switch (ret) { + case 0: + had_error |= !parse_option(option_index, share__optarg, options); + break; + case '?': + case ':': + had_error = true; + break; + default: + FLAC__ASSERT(0); + break; + } + } + + if(options->prefix_with_filename == 2) + options->prefix_with_filename = (argc - share__optind > 1); + + if(share__optind >= argc && !options->show_long_help && !options->show_version) { + flac_fprintf(stderr,"ERROR: you must specify at least one FLAC file;\n"); + flac_fprintf(stderr," metaflac cannot be used as a pipe\n"); + had_error = true; + } + + options->num_files = argc - share__optind; + + if(options->num_files > 0) { + unsigned i = 0; + if(0 == (options->filenames = safe_malloc_mul_2op_(sizeof(char*), /*times*/options->num_files))) + die("out of memory allocating space for file names list"); + while(share__optind < argc) + options->filenames[i++] = local_strdup(argv[share__optind++]); + } + + if(options->args.checks.num_major_ops > 0) { + if(options->args.checks.num_major_ops > 1) { + flac_fprintf(stderr, "ERROR: you may only specify one major operation at a time\n"); + had_error = true; + } + else if(options->args.checks.num_shorthand_ops > 0) { + flac_fprintf(stderr, "ERROR: you may not mix shorthand and major operations\n"); + had_error = true; + } + } + + /* check for only one FLAC file used with certain options */ + if(!had_error && options->num_files > 1) { + if(0 != find_shorthand_operation(options, OP__IMPORT_CUESHEET_FROM)) { + flac_fprintf(stderr, "ERROR: you may only specify one FLAC file when using '--import-cuesheet-from'\n"); + had_error = true; + } + if(0 != find_shorthand_operation(options, OP__EXPORT_CUESHEET_TO)) { + flac_fprintf(stderr, "ERROR: you may only specify one FLAC file when using '--export-cuesheet-to'\n"); + had_error = true; + } + if(0 != find_shorthand_operation(options, OP__EXPORT_PICTURE_TO)) { + flac_fprintf(stderr, "ERROR: you may only specify one FLAC file when using '--export-picture-to'\n"); + had_error = true; + } + if( + 0 != find_shorthand_operation(options, OP__IMPORT_VC_FROM) && + 0 == strcmp(find_shorthand_operation(options, OP__IMPORT_VC_FROM)->argument.filename.value, "-") + ) { + flac_fprintf(stderr, "ERROR: you may only specify one FLAC file when using '--import-tags-from=-'\n"); + had_error = true; + } + } + + if(options->args.checks.has_block_type && options->args.checks.has_except_block_type) { + flac_fprintf(stderr, "ERROR: you may not specify both '--block-type' and '--except-block-type'\n"); + had_error = true; + } + + if(had_error) + short_usage(0); + + /* + * We need to create an OP__ADD_SEEKPOINT operation if there is + * not one already, and --import-cuesheet-from was specified but + * --no-cued-seekpoints was not: + */ + if(options->cued_seekpoints) { + Operation *op = find_shorthand_operation(options, OP__IMPORT_CUESHEET_FROM); + if(0 != op) { + Operation *op2 = find_shorthand_operation(options, OP__ADD_SEEKPOINT); + if(0 == op2) + op2 = append_shorthand_operation(options, OP__ADD_SEEKPOINT); + op->argument.import_cuesheet_from.add_seekpoint_link = &(op2->argument.add_seekpoint); + } + } + + return had_error; +} + +void free_options(CommandLineOptions *options) +{ + unsigned i; + Operation *op; + Argument *arg; + + FLAC__ASSERT(0 == options->ops.operations || options->ops.num_operations > 0); + FLAC__ASSERT(0 == options->args.arguments || options->args.num_arguments > 0); + + for(i = 0, op = options->ops.operations; i < options->ops.num_operations; i++, op++) { + switch(op->type) { + case OP__SHOW_VC_FIELD: + case OP__REMOVE_VC_FIELD: + case OP__REMOVE_VC_FIRSTFIELD: + case OP__REMOVE_VC_ALL_EXCEPT: + if(0 != op->argument.vc_field_name.value) + free(op->argument.vc_field_name.value); + break; + case OP__SET_VC_FIELD: + if(0 != op->argument.vc_field.field) + free(op->argument.vc_field.field); + if(0 != op->argument.vc_field.field_name) + free(op->argument.vc_field.field_name); + if(0 != op->argument.vc_field.field_value) + free(op->argument.vc_field.field_value); + break; + case OP__IMPORT_VC_FROM: + case OP__EXPORT_VC_TO: + case OP__EXPORT_CUESHEET_TO: + if(0 != op->argument.filename.value) + free(op->argument.filename.value); + break; + case OP__IMPORT_CUESHEET_FROM: + if(0 != op->argument.import_cuesheet_from.filename) + free(op->argument.import_cuesheet_from.filename); + break; + case OP__IMPORT_PICTURE_FROM: + if(0 != op->argument.specification.value) + free(op->argument.specification.value); + break; + case OP__EXPORT_PICTURE_TO: + if(0 != op->argument.export_picture_to.filename) + free(op->argument.export_picture_to.filename); + break; + case OP__ADD_SEEKPOINT: + if(0 != op->argument.add_seekpoint.specification) + free(op->argument.add_seekpoint.specification); + break; + default: + break; + } + } + + for(i = 0, arg = options->args.arguments; i < options->args.num_arguments; i++, arg++) { + switch(arg->type) { + case ARG__BLOCK_NUMBER: + if(0 != arg->value.block_number.entries) + free(arg->value.block_number.entries); + break; + case ARG__BLOCK_TYPE: + case ARG__EXCEPT_BLOCK_TYPE: + if(0 != arg->value.block_type.entries) + free(arg->value.block_type.entries); + break; + case ARG__FROM_FILE: + if(0 != arg->value.from_file.file_name) + free(arg->value.from_file.file_name); + break; + default: + break; + } + } + + if(0 != options->ops.operations) + free(options->ops.operations); + + if(0 != options->args.arguments) + free(options->args.arguments); + + if(0 != options->filenames) { + for(i = 0; i < options->num_files; i++) { + if(0 != options->filenames[i]) + free(options->filenames[i]); + } + free(options->filenames); + } +} + +/* + * local routines + */ + +FLAC__bool parse_option(int option_index, const char *option_argument, CommandLineOptions *options) +{ + const char *opt = long_options_[option_index].name; + Operation *op; + Argument *arg; + FLAC__bool ok = true; + + if(0 == strcmp(opt, "preserve-modtime")) { + options->preserve_modtime = true; + } + else if(0 == strcmp(opt, "with-filename")) { + options->prefix_with_filename = true; + } + else if(0 == strcmp(opt, "no-filename")) { + options->prefix_with_filename = false; + } + else if(0 == strcmp(opt, "no-utf8-convert")) { + options->utf8_convert = false; + } + else if(0 == strcmp(opt, "dont-use-padding")) { + options->use_padding = false; + } + else if(0 == strcmp(opt, "no-cued-seekpoints")) { + options->cued_seekpoints = false; + } + else if(0 == strcmp(opt, "show-md5sum")) { + (void) append_shorthand_operation(options, OP__SHOW_MD5SUM); + } + else if(0 == strcmp(opt, "show-min-blocksize")) { + (void) append_shorthand_operation(options, OP__SHOW_MIN_BLOCKSIZE); + } + else if(0 == strcmp(opt, "show-max-blocksize")) { + (void) append_shorthand_operation(options, OP__SHOW_MAX_BLOCKSIZE); + } + else if(0 == strcmp(opt, "show-min-framesize")) { + (void) append_shorthand_operation(options, OP__SHOW_MIN_FRAMESIZE); + } + else if(0 == strcmp(opt, "show-max-framesize")) { + (void) append_shorthand_operation(options, OP__SHOW_MAX_FRAMESIZE); + } + else if(0 == strcmp(opt, "show-sample-rate")) { + (void) append_shorthand_operation(options, OP__SHOW_SAMPLE_RATE); + } + else if(0 == strcmp(opt, "show-channels")) { + (void) append_shorthand_operation(options, OP__SHOW_CHANNELS); + } + else if(0 == strcmp(opt, "show-bps")) { + (void) append_shorthand_operation(options, OP__SHOW_BPS); + } + else if(0 == strcmp(opt, "show-total-samples")) { + (void) append_shorthand_operation(options, OP__SHOW_TOTAL_SAMPLES); + } + else if(0 == strcmp(opt, "set-md5sum")) { + op = append_shorthand_operation(options, OP__SET_MD5SUM); + FLAC__ASSERT(0 != option_argument); + if(!parse_md5(option_argument, op->argument.streaminfo_md5.value)) { + flac_fprintf(stderr, "ERROR (--%s): bad MD5 sum\n", opt); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-min-blocksize")) { + op = append_shorthand_operation(options, OP__SET_MIN_BLOCKSIZE); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value < FLAC__MIN_BLOCK_SIZE || op->argument.streaminfo_uint32.value > FLAC__MAX_BLOCK_SIZE) { + flac_fprintf(stderr, "ERROR (--%s): value must be >= %u and <= %u\n", opt, FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-max-blocksize")) { + op = append_shorthand_operation(options, OP__SET_MAX_BLOCKSIZE); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value < FLAC__MIN_BLOCK_SIZE || op->argument.streaminfo_uint32.value > FLAC__MAX_BLOCK_SIZE) { + flac_fprintf(stderr, "ERROR (--%s): value must be >= %u and <= %u\n", opt, FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-min-framesize")) { + op = append_shorthand_operation(options, OP__SET_MIN_FRAMESIZE); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value >= (1u<<FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN)) { + flac_fprintf(stderr, "ERROR (--%s): value must be a %u-bit unsigned integer\n", opt, FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-max-framesize")) { + op = append_shorthand_operation(options, OP__SET_MAX_FRAMESIZE); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value >= (1u<<FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN)) { + flac_fprintf(stderr, "ERROR (--%s): value must be a %u-bit unsigned integer\n", opt, FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-sample-rate")) { + op = append_shorthand_operation(options, OP__SET_SAMPLE_RATE); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || !FLAC__format_sample_rate_is_valid(op->argument.streaminfo_uint32.value)) { + flac_fprintf(stderr, "ERROR (--%s): invalid sample rate\n", opt); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-channels")) { + op = append_shorthand_operation(options, OP__SET_CHANNELS); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value > FLAC__MAX_CHANNELS) { + flac_fprintf(stderr, "ERROR (--%s): value must be > 0 and <= %u\n", opt, FLAC__MAX_CHANNELS); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-bps")) { + op = append_shorthand_operation(options, OP__SET_BPS); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value < FLAC__MIN_BITS_PER_SAMPLE || op->argument.streaminfo_uint32.value > FLAC__MAX_BITS_PER_SAMPLE) { + flac_fprintf(stderr, "ERROR (--%s): value must be >= %u and <= %u\n", opt, FLAC__MIN_BITS_PER_SAMPLE, FLAC__MAX_BITS_PER_SAMPLE); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-total-samples")) { + op = append_shorthand_operation(options, OP__SET_TOTAL_SAMPLES); + if(!parse_uint64(option_argument, &(op->argument.streaminfo_uint64.value)) || op->argument.streaminfo_uint64.value >= (((FLAC__uint64)1)<<FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN)) { + flac_fprintf(stderr, "ERROR (--%s): value must be a %u-bit unsigned integer\n", opt, FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "show-vendor-tag")) { + (void) append_shorthand_operation(options, OP__SHOW_VC_VENDOR); + } + else if(0 == strcmp(opt, "show-tag")) { + const char *violation; + op = append_shorthand_operation(options, OP__SHOW_VC_FIELD); + FLAC__ASSERT(0 != option_argument); + if(!parse_vorbis_comment_field_name(option_argument, &(op->argument.vc_field_name.value), &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed vorbis comment field name \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + } + else if(0 == strcmp(opt, "show-all-tags")) { + op = append_shorthand_operation(options, OP__EXPORT_VC_TO); + parse_string("-",&op->argument.filename.value); + } + else if(0 == strcmp(opt, "remove-all-tags")) { + (void) append_shorthand_operation(options, OP__REMOVE_VC_ALL); + } + else if(0 == strcmp(opt, "remove-all-tags-except")) { + const char *violation; + op = append_shorthand_operation(options, OP__REMOVE_VC_ALL_EXCEPT); + FLAC__ASSERT(0 != option_argument); + if(!parse_vorbis_comment_field_names(option_argument, &(op->argument.vc_field_name.value), &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed vorbis comment field name \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + } + else if(0 == strcmp(opt, "remove-tag")) { + const char *violation; + op = append_shorthand_operation(options, OP__REMOVE_VC_FIELD); + FLAC__ASSERT(0 != option_argument); + if(!parse_vorbis_comment_field_name(option_argument, &(op->argument.vc_field_name.value), &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed vorbis comment field name \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + } + else if(0 == strcmp(opt, "remove-first-tag")) { + const char *violation; + op = append_shorthand_operation(options, OP__REMOVE_VC_FIRSTFIELD); + FLAC__ASSERT(0 != option_argument); + if(!parse_vorbis_comment_field_name(option_argument, &(op->argument.vc_field_name.value), &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed vorbis comment field name \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + } + else if(0 == strcmp(opt, "set-tag")) { + const char *violation; + op = append_shorthand_operation(options, OP__SET_VC_FIELD); + FLAC__ASSERT(0 != option_argument); + op->argument.vc_field.field_value_from_file = false; + if(!parse_vorbis_comment_field(option_argument, &(op->argument.vc_field.field), &(op->argument.vc_field.field_name), &(op->argument.vc_field.field_value), &(op->argument.vc_field.field_value_length), &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed vorbis comment field \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + } + else if(0 == strcmp(opt, "set-tag-from-file")) { + const char *violation; + op = append_shorthand_operation(options, OP__SET_VC_FIELD); + FLAC__ASSERT(0 != option_argument); + op->argument.vc_field.field_value_from_file = true; + if(!parse_vorbis_comment_field(option_argument, &(op->argument.vc_field.field), &(op->argument.vc_field.field_name), &(op->argument.vc_field.field_value), &(op->argument.vc_field.field_value_length), &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed vorbis comment field \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + } + else if(0 == strcmp(opt, "import-tags-from")) { + op = append_shorthand_operation(options, OP__IMPORT_VC_FROM); + FLAC__ASSERT(0 != option_argument); + if(!parse_string(option_argument, &(op->argument.filename.value))) { + flac_fprintf(stderr, "ERROR (--%s): missing filename\n", opt); + ok = false; + } + } + else if(0 == strcmp(opt, "export-tags-to")) { + op = append_shorthand_operation(options, OP__EXPORT_VC_TO); + FLAC__ASSERT(0 != option_argument); + if(!parse_string(option_argument, &(op->argument.filename.value))) { + flac_fprintf(stderr, "ERROR (--%s): missing filename\n", opt); + ok = false; + } + } + else if(0 == strcmp(opt, "import-cuesheet-from")) { + if(0 != find_shorthand_operation(options, OP__IMPORT_CUESHEET_FROM)) { + flac_fprintf(stderr, "ERROR (--%s): may be specified only once\n", opt); + ok = false; + } + op = append_shorthand_operation(options, OP__IMPORT_CUESHEET_FROM); + FLAC__ASSERT(0 != option_argument); + if(!parse_string(option_argument, &(op->argument.import_cuesheet_from.filename))) { + flac_fprintf(stderr, "ERROR (--%s): missing filename\n", opt); + ok = false; + } + } + else if(0 == strcmp(opt, "export-cuesheet-to")) { + op = append_shorthand_operation(options, OP__EXPORT_CUESHEET_TO); + FLAC__ASSERT(0 != option_argument); + if(!parse_string(option_argument, &(op->argument.filename.value))) { + flac_fprintf(stderr, "ERROR (--%s): missing filename\n", opt); + ok = false; + } + } + else if(0 == strcmp(opt, "import-picture-from")) { + op = append_shorthand_operation(options, OP__IMPORT_PICTURE_FROM); + FLAC__ASSERT(0 != option_argument); + if(!parse_string(option_argument, &(op->argument.specification.value))) { + flac_fprintf(stderr, "ERROR (--%s): missing specification\n", opt); + ok = false; + } + } + else if(0 == strcmp(opt, "export-picture-to")) { + arg = find_argument(options, ARG__BLOCK_NUMBER); + op = append_shorthand_operation(options, OP__EXPORT_PICTURE_TO); + FLAC__ASSERT(0 != option_argument); + if(!parse_string(option_argument, &(op->argument.export_picture_to.filename))) { + flac_fprintf(stderr, "ERROR (--%s): missing filename\n", opt); + ok = false; + } + op->argument.export_picture_to.block_number_link = arg? &(arg->value.block_number) : 0; + } + else if(0 == strcmp(opt, "add-seekpoint")) { + const char *violation; + char *spec; + FLAC__ASSERT(0 != option_argument); + if(!parse_add_seekpoint(option_argument, &spec, &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed seekpoint specification \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + else { + op = find_shorthand_operation(options, OP__ADD_SEEKPOINT); + if(0 == op) + op = append_shorthand_operation(options, OP__ADD_SEEKPOINT); + local_strcat(&(op->argument.add_seekpoint.specification), spec); + local_strcat(&(op->argument.add_seekpoint.specification), ";"); + free(spec); + } + } + else if(0 == strcmp(opt, "add-replay-gain")) { + (void) append_shorthand_operation(options, OP__ADD_REPLAY_GAIN); + } + else if(0 == strcmp(opt, "scan-replay-gain")) { + (void) append_shorthand_operation(options, OP__SCAN_REPLAY_GAIN); + } + else if(0 == strcmp(opt, "remove-replay-gain")) { + const FLAC__byte * const tags[5] = { + GRABBAG__REPLAYGAIN_TAG_REFERENCE_LOUDNESS, + GRABBAG__REPLAYGAIN_TAG_TITLE_GAIN, + GRABBAG__REPLAYGAIN_TAG_TITLE_PEAK, + GRABBAG__REPLAYGAIN_TAG_ALBUM_GAIN, + GRABBAG__REPLAYGAIN_TAG_ALBUM_PEAK + }; + size_t i; + for(i = 0; i < sizeof(tags)/sizeof(tags[0]); i++) { + op = append_shorthand_operation(options, OP__REMOVE_VC_FIELD); + op->argument.vc_field_name.value = local_strdup((const char *)tags[i]); + } + } + else if(0 == strcmp(opt, "add-padding")) { + op = append_shorthand_operation(options, OP__ADD_PADDING); + FLAC__ASSERT(0 != option_argument); + if(!parse_add_padding(option_argument, &(op->argument.add_padding.length))) { + flac_fprintf(stderr, "ERROR (--%s): illegal length \"%s\", length must be >= 0 and < 2^%u\n", opt, option_argument, FLAC__STREAM_METADATA_LENGTH_LEN); + ok = false; + } + } + else if(0 == strcmp(opt, "help")) { + options->show_long_help = true; + } + else if(0 == strcmp(opt, "version")) { + options->show_version = true; + } + else if(0 == strcmp(opt, "list")) { + (void) append_major_operation(options, OP__LIST); + } + else if(0 == strcmp(opt, "append")) { + (void) append_major_operation(options, OP__APPEND); + } + else if(0 == strcmp(opt, "remove")) { + (void) append_major_operation(options, OP__REMOVE); + } + else if(0 == strcmp(opt, "remove-all")) { + (void) append_major_operation(options, OP__REMOVE_ALL); + } + else if(0 == strcmp(opt, "merge-padding")) { + (void) append_major_operation(options, OP__MERGE_PADDING); + } + else if(0 == strcmp(opt, "sort-padding")) { + (void) append_major_operation(options, OP__SORT_PADDING); + } + else if(0 == strcmp(opt, "block-number")) { + arg = append_argument(options, ARG__BLOCK_NUMBER); + FLAC__ASSERT(0 != option_argument); + if(!parse_block_number(option_argument, &(arg->value.block_number))) { + flac_fprintf(stderr, "ERROR: malformed block number specification \"%s\"\n", option_argument); + ok = false; + } + } + else if(0 == strcmp(opt, "block-type")) { + arg = append_argument(options, ARG__BLOCK_TYPE); + FLAC__ASSERT(0 != option_argument); + if(!parse_block_type(option_argument, &(arg->value.block_type))) { + flac_fprintf(stderr, "ERROR (--%s): malformed block type specification \"%s\"\n", opt, option_argument); + ok = false; + } + options->args.checks.has_block_type = true; + } + else if(0 == strcmp(opt, "except-block-type")) { + arg = append_argument(options, ARG__EXCEPT_BLOCK_TYPE); + FLAC__ASSERT(0 != option_argument); + if(!parse_block_type(option_argument, &(arg->value.block_type))) { + flac_fprintf(stderr, "ERROR (--%s): malformed block type specification \"%s\"\n", opt, option_argument); + ok = false; + } + options->args.checks.has_except_block_type = true; + } + else if(0 == strcmp(opt, "data-format")) { + arg = append_argument(options, ARG__DATA_FORMAT); + FLAC__ASSERT(0 != option_argument); + if(!parse_data_format(option_argument, &(arg->value.data_format))) { + flac_fprintf(stderr, "ERROR (--%s): illegal data format \"%s\"\n", opt, option_argument); + ok = false; + } + options->data_format_is_binary = arg->value.data_format.is_binary; + options->data_format_is_binary_headerless = arg->value.data_format.is_headerless; + } + else if(0 == strcmp(opt, "application-data-format")) { + FLAC__ASSERT(0 != option_argument); + if(!parse_application_data_format(option_argument, &(options->application_data_format_is_hexdump))) { + flac_fprintf(stderr, "ERROR (--%s): illegal application data format \"%s\"\n", opt, option_argument); + ok = false; + } + } + else if(0 == strcmp(opt, "from-file")) { + arg = append_argument(options, ARG__FROM_FILE); + FLAC__ASSERT(0 != option_argument); + arg->value.from_file.file_name = local_strdup(option_argument); + } + else { + FLAC__ASSERT(0); + } + + return ok; +} + +void append_new_operation(CommandLineOptions *options, Operation operation) +{ + if(options->ops.capacity == 0) { + options->ops.capacity = 50; + if(0 == (options->ops.operations = malloc(sizeof(Operation) * options->ops.capacity))) + die("out of memory allocating space for option list"); + memset(options->ops.operations, 0, sizeof(Operation) * options->ops.capacity); + } + if(options->ops.capacity <= options->ops.num_operations) { + unsigned original_capacity = options->ops.capacity; + if(options->ops.capacity > UINT32_MAX / 2) /* overflow check */ + die("out of memory allocating space for option list"); + options->ops.capacity *= 2; + if(0 == (options->ops.operations = safe_realloc_mul_2op_(options->ops.operations, sizeof(Operation), /*times*/options->ops.capacity))) + die("out of memory allocating space for option list"); + memset(options->ops.operations + original_capacity, 0, sizeof(Operation) * (options->ops.capacity - original_capacity)); + } + + options->ops.operations[options->ops.num_operations++] = operation; +} + +void append_new_argument(CommandLineOptions *options, Argument argument) +{ + if(options->args.capacity == 0) { + options->args.capacity = 50; + if(0 == (options->args.arguments = malloc(sizeof(Argument) * options->args.capacity))) + die("out of memory allocating space for option list"); + memset(options->args.arguments, 0, sizeof(Argument) * options->args.capacity); + } + if(options->args.capacity <= options->args.num_arguments) { + unsigned original_capacity = options->args.capacity; + if(options->args.capacity > UINT32_MAX / 2) /* overflow check */ + die("out of memory allocating space for option list"); + options->args.capacity *= 2; + if(0 == (options->args.arguments = safe_realloc_mul_2op_(options->args.arguments, sizeof(Argument), /*times*/options->args.capacity))) + die("out of memory allocating space for option list"); + memset(options->args.arguments + original_capacity, 0, sizeof(Argument) * (options->args.capacity - original_capacity)); + } + + options->args.arguments[options->args.num_arguments++] = argument; +} + +Operation *append_major_operation(CommandLineOptions *options, OperationType type) +{ + Operation op; + memset(&op, 0, sizeof(op)); + op.type = type; + append_new_operation(options, op); + options->args.checks.num_major_ops++; + return options->ops.operations + (options->ops.num_operations - 1); +} + +Operation *append_shorthand_operation(CommandLineOptions *options, OperationType type) +{ + Operation op; + memset(&op, 0, sizeof(op)); + op.type = type; + append_new_operation(options, op); + options->args.checks.num_shorthand_ops++; + return options->ops.operations + (options->ops.num_operations - 1); +} + +Argument *find_argument(CommandLineOptions *options, ArgumentType type) +{ + unsigned i; + for(i = 0; i < options->args.num_arguments; i++) + if(options->args.arguments[i].type == type) + return &options->args.arguments[i]; + return 0; +} + +Operation *find_shorthand_operation(CommandLineOptions *options, OperationType type) +{ + unsigned i; + for(i = 0; i < options->ops.num_operations; i++) + if(options->ops.operations[i].type == type) + return &options->ops.operations[i]; + return 0; +} + +Argument *append_argument(CommandLineOptions *options, ArgumentType type) +{ + Argument arg; + memset(&arg, 0, sizeof(arg)); + arg.type = type; + append_new_argument(options, arg); + return options->args.arguments + (options->args.num_arguments - 1); +} + +FLAC__bool parse_md5(const char *src, FLAC__byte dest[16]) +{ + unsigned i, d; + int c; + FLAC__ASSERT(0 != src); + if(strlen(src) != 32) + return false; + /* strtoul() accepts negative numbers which we do not want, so we do it the hard way */ + for(i = 0; i < 16; i++) { + c = (int)(*src++); + if(isdigit(c)) + d = (unsigned)(c - '0'); + else if(c >= 'a' && c <= 'f') + d = (unsigned)(c - 'a') + 10u; + else if(c >= 'A' && c <= 'F') + d = (unsigned)(c - 'A') + 10u; + else + return false; + d <<= 4; + c = (int)(*src++); + if(isdigit(c)) + d |= (unsigned)(c - '0'); + else if(c >= 'a' && c <= 'f') + d |= (unsigned)(c - 'a') + 10u; + else if(c >= 'A' && c <= 'F') + d |= (unsigned)(c - 'A') + 10u; + else + return false; + dest[i] = (FLAC__byte)d; + } + return true; +} + +FLAC__bool parse_uint32(const char *src, FLAC__uint32 *dest) +{ + FLAC__ASSERT(0 != src); + if(strlen(src) == 0 || strspn(src, "0123456789") != strlen(src)) + return false; + *dest = strtoul(src, 0, 10); + return true; +} + +FLAC__bool parse_uint64(const char *src, FLAC__uint64 *dest) +{ + FLAC__ASSERT(0 != src); + if(strlen(src) == 0 || strspn(src, "0123456789") != strlen(src)) + return false; + *dest = strtoull(src, 0, 10); + return true; +} + +FLAC__bool parse_string(const char *src, char **dest) +{ + if(0 == src || strlen(src) == 0) + return false; + *dest = strdup(src); + return true; +} + +FLAC__bool parse_vorbis_comment_field_name(const char *field_ref, char **name, const char **violation) +{ + static const char * const violations[] = { + "field name contains invalid character" + }; + + char *q, *s; + + s = local_strdup(field_ref); + + for(q = s; *q; q++) { + if(*q < 0x20 || *q > 0x7d || *q == 0x3d) { + free(s); + *violation = violations[0]; + return false; + } + } + + *name = s; + + return true; +} + +FLAC__bool parse_vorbis_comment_field_names(const char *field_ref, char **names, const char **violation) +{ + static const char * const violations[] = { + "field name contains invalid character" + }; + + char *q, *s; + + s = local_strdup(field_ref); + + for(q = s; *q; q++) { + if(*q < 0x20 || *q > 0x7d) { + free(s); + *violation = violations[0]; + return false; + } + } + + *names = s; + + return true; +} + +FLAC__bool parse_add_seekpoint(const char *in, char **out, const char **violation) +{ + static const char *garbled_ = "garbled specification"; + const unsigned n = strlen(in); + + FLAC__ASSERT(0 != in); + FLAC__ASSERT(0 != out); + + if(n == 0) { + *violation = "specification is empty"; + return false; + } + + if(n > strspn(in, "0123456789.Xsx")) { + *violation = "specification contains invalid character"; + return false; + } + + if(in[n-1] == 'X') { + if(n > 1) { + *violation = garbled_; + return false; + } + } + else if(in[n-1] == 's') { + if(n-1 > strspn(in, "0123456789.")) { + *violation = garbled_; + return false; + } + } + else if(in[n-1] == 'x') { + if(n-1 > strspn(in, "0123456789")) { + *violation = garbled_; + return false; + } + } + else { + if(n > strspn(in, "0123456789")) { + *violation = garbled_; + return false; + } + } + + *out = local_strdup(in); + return true; +} + +FLAC__bool parse_add_padding(const char *in, unsigned *out) +{ + FLAC__ASSERT(0 != in); + FLAC__ASSERT(0 != out); + *out = (unsigned)strtoul(in, 0, 10); + return *out < (1u << FLAC__STREAM_METADATA_LENGTH_LEN); +} + +FLAC__bool parse_block_number(const char *in, Argument_BlockNumber *out) +{ + char *p, *q, *s, *end; + long i; + unsigned entry; + + if(*in == '\0') + return false; + + s = local_strdup(in); + + /* first count the entries */ + for(out->num_entries = 1, p = strchr(s, ','); p; out->num_entries++, p = strchr(++p, ',')) + ; + + /* make space */ + FLAC__ASSERT(out->num_entries > 0); + if(0 == (out->entries = safe_malloc_mul_2op_(sizeof(unsigned), /*times*/out->num_entries))) + die("out of memory allocating space for option list"); + + /* load 'em up */ + entry = 0; + q = s; + while(q) { + FLAC__ASSERT(entry < out->num_entries); + if(0 != (p = strchr(q, ','))) + *p++ = '\0'; + if(!isdigit((int)(*q)) || (i = strtol(q, &end, 10)) < 0 || *end) { + free(s); + return false; + } + out->entries[entry++] = (unsigned)i; + q = p; + } + FLAC__ASSERT(entry == out->num_entries); + + free(s); + return true; +} + +FLAC__bool parse_block_type(const char *in, Argument_BlockType *out) +{ + char *p, *q, *r, *s; + unsigned entry; + + if(*in == '\0') + return false; + + s = local_strdup(in); + + /* first count the entries */ + for(out->num_entries = 1, p = strchr(s, ','); p; out->num_entries++, p = strchr(++p, ',')) + ; + + /* make space */ + FLAC__ASSERT(out->num_entries > 0); + if(0 == (out->entries = safe_malloc_mul_2op_(sizeof(Argument_BlockTypeEntry), /*times*/out->num_entries))) + die("out of memory allocating space for option list"); + + /* load 'em up */ + entry = 0; + q = s; + while(q) { + FLAC__ASSERT(entry < out->num_entries); + if(0 != (p = strchr(q, ','))) + *p++ = 0; + r = strchr(q, ':'); + if(r) + *r++ = '\0'; + if(0 != r && 0 != strcmp(q, "APPLICATION")) { + free(s); + return false; + } + if(0 == strcmp(q, "STREAMINFO")) { + out->entries[entry++].type = FLAC__METADATA_TYPE_STREAMINFO; + } + else if(0 == strcmp(q, "PADDING")) { + out->entries[entry++].type = FLAC__METADATA_TYPE_PADDING; + } + else if(0 == strcmp(q, "APPLICATION")) { + out->entries[entry].type = FLAC__METADATA_TYPE_APPLICATION; + out->entries[entry].filter_application_by_id = (0 != r); + if(0 != r) { + if(strlen(r) == sizeof (out->entries[entry].application_id)) { + memcpy(out->entries[entry].application_id, r, sizeof (out->entries[entry].application_id)); + } + else if(strlen(r) == 10 && FLAC__STRNCASECMP(r, "0x", 2) == 0 && strspn(r+2, "0123456789ABCDEFabcdef") == 8) { + FLAC__uint32 x = strtoul(r+2, 0, 16); + out->entries[entry].application_id[3] = (FLAC__byte)(x & 0xff); + out->entries[entry].application_id[2] = (FLAC__byte)((x>>=8) & 0xff); + out->entries[entry].application_id[1] = (FLAC__byte)((x>>=8) & 0xff); + out->entries[entry].application_id[0] = (FLAC__byte)((x>>=8) & 0xff); + } + else { + free(s); + return false; + } + } + entry++; + } + else if(0 == strcmp(q, "SEEKTABLE")) { + out->entries[entry++].type = FLAC__METADATA_TYPE_SEEKTABLE; + } + else if(0 == strcmp(q, "VORBIS_COMMENT")) { + out->entries[entry++].type = FLAC__METADATA_TYPE_VORBIS_COMMENT; + } + else if(0 == strcmp(q, "CUESHEET")) { + out->entries[entry++].type = FLAC__METADATA_TYPE_CUESHEET; + } + else if(0 == strcmp(q, "PICTURE")) { + out->entries[entry++].type = FLAC__METADATA_TYPE_PICTURE; + } + else { + free(s); + return false; + } + q = p; + } + FLAC__ASSERT(entry == out->num_entries); + + free(s); + return true; +} + +FLAC__bool parse_data_format(const char *in, Argument_DataFormat *out) +{ + if(0 == strcmp(in, "binary-headerless")) { + out->is_binary = false; + out->is_headerless = true; + } + else if(0 == strcmp(in, "binary")) { + out->is_binary = true; + out->is_headerless = false; + } + else if(0 == strcmp(in, "text")) { + out->is_binary = false; + out->is_headerless = false; + } + else + return false; + return true; +} + +FLAC__bool parse_application_data_format(const char *in, FLAC__bool *out) +{ + if(0 == strcmp(in, "hexdump")) + *out = true; + else if(0 == strcmp(in, "text")) + *out = false; + else + return false; + return true; +} + +void undocumented_warning(const char *opt) +{ + flac_fprintf(stderr, "WARNING: undocumented option --%s should be used with caution,\n only for repairing a damaged STREAMINFO block\n", opt); +} |