# include <config.h>
#endif
+#include "FLAC/assert.h"
#include "FLAC/metadata.h"
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#if HAVE_GETOPT_LONG
# include <getopt.h>
# include "share/getopt.h"
#endif
-/* getopt format struct; note we don't use short options so we just
- set the 'val' field to 1 everywhere to indicate a valid option. */
+/*
+ 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.
+*/
static struct option long_options_[] = {
/* global options */
- { "preserve-modtime", 0, 0, 1 },
- { "with-filename", 0, 0, 1 },
- { "no-filename", 0, 0, 1 },
- { "dont-use-padding", 0, 0, 1 },
+ { "preserve-modtime", 0, 0, 0 },
+ { "with-filename", 0, 0, 0 },
+ { "no-filename", 0, 0, 0 },
+ { "dont-use-padding", 0, 0, 0 },
/* shorthand operations */
- { "show-md5sum", 0, 0, 1 },
- { "show-min-blocksize", 0, 0, 1 },
- { "show-max-blocksize", 0, 0, 1 },
- { "show-min-framesize", 0, 0, 1 },
- { "show-max-framesize", 0, 0, 1 },
- { "show-sample-rate", 0, 0, 1 },
- { "show-channels", 0, 0, 1 },
- { "show-bps", 0, 0, 1 },
- { "show-total-samples", 0, 0, 1 },
- { "show-vc-vendor", 0, 0, 1 },
- { "show-vc-field", 1, 0, 1 },
- { "remove-vc-all", 0, 0, 1 },
- { "remove-vc-field", 1, 0, 1 },
- { "remove-vc-firstfield", 1, 0, 1 },
- { "set-vc-field", 1, 0, 1 },
+ { "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 },
+ { "show-vc-vendor", 0, 0, 0 },
+ { "show-vc-field", 1, 0, 0 },
+ { "remove-vc-all", 0, 0, 0 },
+ { "remove-vc-field", 1, 0, 0 },
+ { "remove-vc-firstfield", 1, 0, 0 },
+ { "set-vc-field", 1, 0, 0 },
/* major operations */
- { "list", 0, 0, 1 },
- { "append", 0, 0, 1 },
- { "remove", 0, 0, 1 },
- { "remove-all", 0, 0, 1 },
- { "merge-padding", 0, 0, 1 },
- { "sort-padding", 0, 0, 1 },
- { "block-number", 1, 0, 1 },
- { "block-type", 1, 0, 1 },
- { "except-block-type", 1, 0, 1 },
- { "data-format", 1, 0, 1 },
- { "application-data-format", 1, 0, 1 },
- { "from-file", 1, 0, 1 },
+ { "help", 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 },
+ { "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}
};
OP__SHOW_TOTAL_SAMPLES,
OP__SHOW_VC_VENDOR,
OP__SHOW_VC_FIELD,
+ OP__REMOVE_VC_ALL,
OP__REMOVE_VC_FIELD,
OP__REMOVE_VC_FIRSTFIELD,
OP__SET_VC_FIELD,
+ OP__HELP,
OP__LIST,
OP__APPEND,
OP__REMOVE,
} OperationType;
typedef struct {
- int dummy;
+ char *field_name;
} Argument_VcFieldName;
typedef struct {
- int dummy;
+ char *field_name;
+ /* according to the vorbis spec, field values can contain \0 so simple C strings are not enough here */
+ unsigned field_value_length;
+ char *field_value;
} Argument_VcField;
typedef struct {
- int dummy;
+ unsigned num_entries;
+ unsigned *entries;
} Argument_BlockNumber;
typedef struct {
} Argument_BlockType;
typedef struct {
- int dummy;
+ FLAC__bool is_binary;
} Argument_DataFormat;
typedef struct {
- int dummy;
+ FLAC__bool is_hexdump;
} Argument_ApplicationDataFormat;
typedef struct {
- int dummy;
+ char *file_name;
} Argument_FromFile;
typedef struct {
- OperationType operation;
+ OperationType type;
union {
Argument_VcFieldName show_vc_field;
Argument_VcFieldName remove_vc_field;
FLAC__bool preserve_modtime;
FLAC__bool prefix_with_filename;
FLAC__bool use_padding;
- Operation *operations;
struct {
- FLAC__bool has_shorthand_op;
- FLAC__bool has_major_op;
+ unsigned num_shorthand_ops;
+ unsigned num_major_ops;
FLAC__bool has_block_type;
FLAC__bool has_except_block_type;
} checks;
+ struct {
+ Operation *operations;
+ unsigned num_operations;
+ unsigned capacity;
+ } ops;
} CommandLineOptions;
-static void parse_options(int argc, char *argv[], CommandLineOptions *options);
+static void init_options(CommandLineOptions *options);
+static FLAC__bool parse_options(int argc, char *argv[], CommandLineOptions *options);
+static FLAC__bool parse_option(int option_index, const char *option_argument, CommandLineOptions *options);
+static void free_options(CommandLineOptions *options);
+static void append_operation(CommandLineOptions *options, Operation operation);
+static Operation *append_major_operation(CommandLineOptions *options, OperationType type);
+static Operation *append_shorthand_operation(CommandLineOptions *options, OperationType type);
static int short_usage(const char *message, ...);
static int long_usage(const char *message, ...);
static void hexdump(const FLAC__byte *buf, unsigned bytes, const char *indent);
+static char *local_strdup(const char *source);
+static FLAC__bool parse_vorbis_comment_field(const char *field, char **name, char **value, unsigned *length);
+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, Argument_ApplicationDataFormat *out);
int main(int argc, char *argv[])
{
- CommandLineOptions o;
- parse_options(argc, argv, &o);
- return 3;
+ CommandLineOptions options;
+ int ret;
+
+ init_options(&options);
+
+ ret = !parse_options(argc, argv, &options);
+
+ free_options(&options);
+
+ return ret;
}
-void parse_options(int argc, char *argv[], CommandLineOptions *options)
+void init_options(CommandLineOptions *options)
+{
+ options->preserve_modtime = false;
+
+ /* hack to mean "use default if not forced on command line" */
+ FLAC__ASSERT(true != 2);
+ options->prefix_with_filename = 2;
+
+ options->use_padding = true;
+ options->checks.num_shorthand_ops = 0;
+ options->checks.num_major_ops = 0;
+ options->checks.has_block_type = false;
+ options->checks.has_except_block_type = false;
+
+ options->ops.operations = 0;
+ options->ops.num_operations = 0;
+ options->ops.capacity = 0;
+}
+
+FLAC__bool parse_options(int argc, char *argv[], CommandLineOptions *options)
{
int ret;
int option_index = 1;
+ FLAC__bool had_error = false;
while ((ret = getopt_long(argc, argv, "", long_options_, &option_index)) != -1) {
switch (ret) {
case 0:
- fprintf(stderr, "Internal error parsing command options\n");
- exit(1);
- break;
- case 1:
+ had_error |= !parse_option(option_index, optarg, options);
break;
case '?':
- break;
case ':':
- break;
+ short_usage(0);
+ return false;
+ had_error = true;
default:
- /*@@@usage();*/
- exit(1);
+ FLAC__ASSERT(0);
}
}
-#if 0
- /* remaining bits must be the filenames */
- if((param->mode == MODE_LIST && (argc-optind) != 1) ||
- ((param->mode == MODE_WRITE || param->mode == MODE_APPEND) &&
- ((argc-optind) < 1 || (argc-optind) > 2))) {
- usage();
- exit(1);
- }
+ if(options->prefix_with_filename == 2)
+ options->prefix_with_filename = (argc - optind > 1);
- param->infilename = strdup(argv[optind]);
- if (param->mode == MODE_WRITE || param->mode == MODE_APPEND)
- {
- if(argc-optind == 1)
- {
- param->tempoutfile = 1;
- param->outfilename = malloc(strlen(param->infilename)+8);
- strcpy(param->outfilename, param->infilename);
- strcat(param->outfilename, ".vctemp");
- }
- else
- param->outfilename = strdup(argv[optind+1]);
- }
-#endif
+ if(optind < argc) {
+ while(optind < argc)
+ printf("%s ", argv[optind++]);
+ printf("\n");
+ }
+
+ return had_error;
+}
+
+FLAC__bool parse_option(int option_index, const char *option_argument, CommandLineOptions *options)
+{
+ const char *opt = long_options_[option_index].name;
+ Operation *op;
+ FLAC__bool ret = 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, "dont-use-padding")) {
+ options->use_padding = 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, "show-vc-vendor")) {
+ (void) append_shorthand_operation(options, OP__SHOW_VC_VENDOR);
+ }
+ else if(0 == strcmp(opt, "show-vc-field")) {
+ op = append_shorthand_operation(options, OP__SHOW_VC_FIELD);
+ FLAC__ASSERT(0 != option_argument);
+ op->argument.show_vc_field.field_name = local_strdup(option_argument);
+ }
+ else if(0 == strcmp(opt, "remove-vc-all")) {
+ (void) append_shorthand_operation(options, OP__REMOVE_VC_ALL);
+ }
+ else if(0 == strcmp(opt, "remove-vc-field")) {
+ op = append_shorthand_operation(options, OP__REMOVE_VC_FIELD);
+ FLAC__ASSERT(0 != option_argument);
+ op->argument.remove_vc_field.field_name = local_strdup(option_argument);
+ }
+ else if(0 == strcmp(opt, "remove-vc-firstfield")) {
+ op = append_shorthand_operation(options, OP__REMOVE_VC_FIRSTFIELD);
+ FLAC__ASSERT(0 != option_argument);
+ op->argument.remove_vc_firstfield.field_name = local_strdup(option_argument);
+ }
+ else if(0 == strcmp(opt, "set-vc-field")) {
+ op = append_shorthand_operation(options, OP__SET_VC_FIELD);
+ FLAC__ASSERT(0 != option_argument);
+ if(!parse_vorbis_comment_field(option_argument, &(op->argument.set_vc_field.field_name), &(op->argument.set_vc_field.field_value), &(op->argument.set_vc_field.field_value_length))) {
+ fprintf(stderr, "ERROR: malformed vorbis comment field \"%s\"\n", option_argument);
+ ret = false;
+ }
+ }
+ else if(0 == strcmp(opt, "help")) {
+ (void) append_major_operation(options, OP__HELP);
+ }
+ 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")) {
+ op = append_major_operation(options, OP__BLOCK_NUMBER);
+ FLAC__ASSERT(0 != option_argument);
+ if(!parse_block_number(option_argument, &(op->argument.block_number))) {
+ fprintf(stderr, "ERROR: malformed block number specification \"%s\"\n", option_argument);
+ ret = false;
+ }
+ }
+ else if(0 == strcmp(opt, "block-type")) {
+ op = append_major_operation(options, OP__BLOCK_TYPE);
+ FLAC__ASSERT(0 != option_argument);
+ if(!parse_block_type(option_argument, &(op->argument.block_type))) {
+ fprintf(stderr, "ERROR: malformed block type specification \"%s\"\n", option_argument);
+ ret = false;
+ }
+ }
+ else if(0 == strcmp(opt, "except-block-type")) {
+ op = append_major_operation(options, OP__EXCEPT_BLOCK_TYPE);
+ FLAC__ASSERT(0 != option_argument);
+ if(!parse_block_type(option_argument, &(op->argument.except_block_type))) {
+ fprintf(stderr, "ERROR: malformed block type specification \"%s\"\n", option_argument);
+ ret = false;
+ }
+ }
+ else if(0 == strcmp(opt, "data-format")) {
+ op = append_major_operation(options, OP__DATA_FORMAT);
+ FLAC__ASSERT(0 != option_argument);
+ if(!parse_data_format(option_argument, &(op->argument.data_format))) {
+ fprintf(stderr, "ERROR: illegal data format \"%s\"\n", option_argument);
+ ret = false;
+ }
+ }
+ else if(0 == strcmp(opt, "application-data-format")) {
+ op = append_major_operation(options, OP__APPLICATION_DATA_FORMAT);
+ FLAC__ASSERT(0 != option_argument);
+ if(!parse_application_data_format(option_argument, &(op->argument.application_data_format))) {
+ fprintf(stderr, "ERROR: illegal application data format \"%s\"\n", option_argument);
+ ret = false;
+ }
+ }
+ else if(0 == strcmp(opt, "from-file")) {
+ op = append_major_operation(options, OP__FROM_FILE);
+ FLAC__ASSERT(0 != option_argument);
+ op->argument.from_file.file_name = local_strdup(option_argument);
+ }
+ else {
+ FLAC__ASSERT(0);
+ }
+
+ return ret;
+}
+
+void free_options(CommandLineOptions *options)
+{
+ unsigned i;
+ Operation *op;
+
+ FLAC__ASSERT(0 == options->ops.operations || options->ops.num_operations > 0);
+
+ for(i = 0; i < options->ops.num_operations; i++) {
+ op = options->ops.operations + i;
+ switch(op->type) {
+ case OP__SHOW_VC_FIELD:
+ case OP__REMOVE_VC_FIELD:
+ case OP__REMOVE_VC_FIRSTFIELD:
+ FLAC__ASSERT(0 != op->argument.show_vc_field.field_name);
+ free(op->argument.show_vc_field.field_name);
+ break;
+ case OP__SET_VC_FIELD:
+ FLAC__ASSERT(0 != op->argument.set_vc_field.field_name);
+ free(op->argument.set_vc_field.field_name);
+ if(0 != op->argument.set_vc_field.field_value)
+ free(op->argument.set_vc_field.field_value);
+ break;
+ case OP__BLOCK_NUMBER:
+ /*@@@*/
+ break;
+ case OP__BLOCK_TYPE:
+ case OP__EXCEPT_BLOCK_TYPE:
+ /*@@@*/
+ break;
+ case OP__FROM_FILE:
+ FLAC__ASSERT(0 != op->argument.from_file.file_name);
+ free(op->argument.from_file.file_name);
+ break;
+ default:
+ break;
+ }
+ }
+
+ if(0 != options->ops.operations)
+ free(options->ops.operations);
+}
+
+void append_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))) {
+ fprintf(stderr, "ERROR: out of memory allocating space for option list\n");
+ exit(1);
+ }
+ memset(options->ops.operations, 0, sizeof(Operation) * options->ops.capacity);
+ }
+ if(options->ops.capacity <= options->ops.num_operations) {
+ unsigned original_capacity = options->ops.capacity;
+ options->ops.capacity *= 4;
+ if(0 == (options->ops.operations = realloc(options->ops.operations, sizeof(Operation) * options->ops.capacity))) {
+ fprintf(stderr, "ERROR: out of memory allocating space for option list\n");
+ exit(1);
+ }
+ memset(options->ops.operations + original_capacity, 0, sizeof(Operation) * (options->ops.capacity - original_capacity));
+ }
+
+ options->ops.operations[options->ops.num_operations++] = operation;
+}
+
+Operation *append_major_operation(CommandLineOptions *options, OperationType type)
+{
+ Operation op;
+ op.type = type;
+ append_operation(options, op);
+ options->checks.num_major_ops++;
+ return options->ops.operations + (options->ops.num_operations - 1);
+}
+
+Operation *append_shorthand_operation(CommandLineOptions *options, OperationType type)
+{
+ Operation op;
+ op.type = type;
+ append_operation(options, op);
+ options->checks.num_shorthand_ops++;
+ return options->ops.operations + (options->ops.num_operations - 1);
}
static void usage_header(FILE *out)
b += 16;
}
}
+
+char *local_strdup(const char *source)
+{
+ char *ret;
+ FLAC__ASSERT(0 != source);
+ if(0 == (ret = strdup(source))) {
+ fprintf(stderr, "ERROR: out of memory during strdup()\n");
+ exit(1);
+ }
+ return ret;
+}
+
+FLAC__bool parse_vorbis_comment_field(const char *field, char **name, char **value, unsigned *length)
+{
+ char *p, *s = local_strdup(field);
+
+ if(0 == (p = strchr(s, '='))) {
+ free(s);
+ return false;
+ }
+ *p++ = '\0';
+ *name = local_strdup(s);
+ *value = local_strdup(p);
+ *length = strlen(p);
+
+ free(s);
+ return true;
+}
+
+FLAC__bool parse_block_number(const char *in, Argument_BlockNumber *out)
+{
+ char *p, *q, *s;
+ int 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(s, ','))
+ ;
+
+ /* make space */
+ FLAC__ASSERT(out->num_entries > 0);
+ if(0 == (out->entries = malloc(sizeof(unsigned) * out->num_entries))) {
+ fprintf(stderr, "ERROR: out of memory allocating space for option list\n");
+ exit(1);
+ }
+
+ /* load 'em up */
+ entry = 0;
+ q = s;
+ while(q) {
+ if(0 != (p = strchr(q, ',')))
+ *p++ = 0;
+ if(!isdigit((int)(*q)) || (i = atoi(q)) < 0) {
+ free(s);
+ return false;
+ }
+ FLAC__ASSERT(entry < out->num_entries);
+ 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)
+{
+ return true;
+}
+
+FLAC__bool parse_data_format(const char *in, Argument_DataFormat *out)
+{
+ if(0 == strcmp(in, "binary"))
+ out->is_binary = true;
+ else if(0 == strcmp(in, "text"))
+ out->is_binary = false;
+ else
+ return false;
+ return true;
+}
+
+FLAC__bool parse_application_data_format(const char *in, Argument_ApplicationDataFormat *out)
+{
+ if(0 == strcmp(in, "hexdump"))
+ out->is_hexdump = true;
+ else if(0 == strcmp(in, "text"))
+ out->is_hexdump = false;
+ else
+ return false;
+ return true;
+}