c-ipfs/cmd/cli.c

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#include <stdlib.h>
#include <string.h>
#include "ipfs/cmd/cli.h"
int cli_is_switch(int argc, char** argv, int index) {
char* to_test = argv[index];
if (to_test[0] == '-') {
if (strcmp(to_test, "-c") == 0 || strcmp(to_test, "--config") == 0) {
return 2;
}
return 1;
}
return 0;
}
int cli_get_verb_index(struct CliArguments* args) {
for(int i = 1; i < args->argc; i++) {
int advance_by_more_than_one = cli_is_switch(args->argc, args->argv, i);
if (advance_by_more_than_one == 0) {
// this is the verb
return i;
} else {
if (advance_by_more_than_one == 2) {
// skip the next one
i++;
}
}
}
return 0;
}
char* cli_get_config_dir(struct CliArguments* args) {
for (int i = 1; i < args->argc; i++) {
if (args->argv[i][0] == '-') {
char* param = args->argv[i];
if ((strcmp(param, "-c") == 0 || strcmp(param, "--config") == 0) && args->argc > i + 1) {
return args->argv[i+1];
}
}
}
return NULL;
}
struct CliArguments* cli_arguments_new(int argc, char** argv) {
struct CliArguments* args = (struct CliArguments*) malloc(sizeof(struct CliArguments));
if (args != NULL) {
args->argc = argc;
args->argv = argv;
args->verb_index = cli_get_verb_index(args);
args->config_dir = cli_get_config_dir(args);
}
return args;
}
void cli_arguments_free(struct CliArguments* args) {
free(args);
}