mirror of
https://github.com/KingDuckZ/dindexer.git
synced 2024-11-25 00:53:43 +00:00
Use getopt_long() to parse command line.
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parent
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commit
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1 changed files with 82 additions and 35 deletions
117
src/main/main.c
117
src/main/main.c
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@ -15,67 +15,57 @@
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* along with "dindexer". If not, see <http://www.gnu.org/licenses/>.
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* along with "dindexer". If not, see <http://www.gnu.org/licenses/>.
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*/
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*/
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#define _GNU_SOURCE 1
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#include "dindexerConfig.h"
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#include "findactions.h"
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#include "helpers/lengthof.h"
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#include "builtin_feats.h"
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#include <string.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <iso646.h>
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#include <iso646.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include "dindexerConfig.h"
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#include <getopt.h>
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#include "findactions.h"
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#include "helpers/lengthof.h"
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#include "builtin_feats.h"
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static size_t foreach_avail_action ( int(*parFunc)(const char*, const void*), char** parList, size_t parCount, const void* parPass );
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static size_t foreach_avail_action ( int(*parFunc)(const char*, const void*), char** parList, size_t parCount, const void* parPass );
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static int printf_stream ( const char* parMsg, const void* parStream );
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static int printf_stream ( const char* parMsg, const void* parStream );
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static int same_action ( const char* parAction1, const void* parAction2 );
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static int same_action ( const char* parAction1, const void* parAction2 );
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static void print_usage ( void );
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static void print_usage ( void );
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static int manage_commandline ( int parArgc, char* parArgv[], char** parActions, size_t parActionCount, int* parShouldQuit );
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int main (int parArgc, char* parArgv[]) {
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int main (int parArgc, char* parArgv[]) {
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size_t z;
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size_t z;
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size_t actions_count;
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size_t actions_count;
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char** actions;
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char** actions;
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char* action_path;
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char* action_path;
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char* specified_action;
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size_t action_path_length;
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size_t action_path_length;
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size_t selected_action;
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size_t selected_action;
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char** argv;
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char** argv;
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FILE* streamout;
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int retval;
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int retval;
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int showbuiltin;
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int should_quit;
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showbuiltin = (parArgc >= 2 ? not strcmp("--builtin", parArgv[1]) : 0);
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find_actions(&actions, &actions_count);
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find_actions(&actions, &actions_count);
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if (0 == actions_count and not showbuiltin) {
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retval = manage_commandline(parArgc, parArgv, actions, actions_count, &should_quit);
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if (should_quit) {
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free_actions(actions, actions_count);
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return retval;
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}
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if (0 == actions_count) {
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fprintf(stderr, "No actions found in \"%s\"\n", ACTIONS_SEARCH_PATH);
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fprintf(stderr, "No actions found in \"%s\"\n", ACTIONS_SEARCH_PATH);
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return 1;
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return 1;
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}
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}
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if (parArgc < 2 or strcmp("-h", parArgv[1]) == 0 or strcmp("--help", parArgv[1]) == 0) {
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if (parArgc < 2) {
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streamout = stderr;
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fprintf(stderr, "No action specified. ");
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retval = 2;
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}
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else {
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print_usage();
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printf("\n");
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streamout = stdout;
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retval = 0;
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}
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fprintf(streamout, "Available actions are:\n");
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foreach_avail_action(&printf_stream, actions, actions_count, streamout);
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free_actions(actions, actions_count);
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return retval;
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}
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else if (showbuiltin) {
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print_builtin_feats();
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free_actions(actions, actions_count);
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return 0;
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}
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selected_action = foreach_avail_action(&same_action, actions, actions_count, parArgv[1]);
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if (optind < parArgc)
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specified_action = parArgv[optind];
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else
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specified_action = "";
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selected_action = foreach_avail_action(&same_action, actions, actions_count, specified_action);
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if (actions_count == selected_action) {
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if (actions_count == selected_action) {
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fprintf(stderr, "Unrecognized action \"%s\" - available actions are:\n", parArgv[1]);
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fprintf(stderr, "Unrecognized action \"%s\" - available actions are:\n", specified_action);
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foreach_avail_action(&printf_stream, actions, actions_count, stderr);
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foreach_avail_action(&printf_stream, actions, actions_count, stderr);
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free_actions(actions, actions_count);
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free_actions(actions, actions_count);
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return 2;
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return 2;
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@ -102,7 +92,7 @@ int main (int parArgc, char* parArgv[]) {
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argv = (char**)malloc(sizeof(char*) * (parArgc - 1 + 1));
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argv = (char**)malloc(sizeof(char*) * (parArgc - 1 + 1));
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argv[0] = action_path;
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argv[0] = action_path;
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for (z = 2; z <= parArgc; ++z) {
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for (z = 2; z <= parArgc; ++z) {
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argv[z - 1] = parArgv[z];
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argv[z - 1] = specified_action;
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}
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}
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/*printf("would call %s\n", action_path);*/
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/*printf("would call %s\n", action_path);*/
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@ -146,6 +136,63 @@ static int same_action (const char* parAction1, const void* parAction2) {
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}
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}
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static void print_usage() {
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static void print_usage() {
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printf("--help - show this help\n");
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printf("--help, -h - show this help\n");
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printf("--builtin - show build info\n");
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printf("--builtin, -b - show build info\n");
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}
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static int manage_commandline (int parArgc, char* parArgv[], char** parActions, size_t parActionCount, int* parShouldQuit) {
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int showbuiltin;
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int showhelp;
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int option_index;
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int getopt_retval;
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FILE* streamout;
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int retval;
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struct option opts[] = {
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{ "builtin", no_argument, &showbuiltin, 1 },
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{ "help", no_argument, &showhelp, 1 },
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{ 0, 0, 0, 0 }
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};
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option_index = 0;
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showbuiltin = showhelp = 0;
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*parShouldQuit = 0;
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while (0 <= (getopt_retval = getopt_long(parArgc, parArgv, "bh", opts, &option_index))) {
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switch (getopt_retval) {
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case 'h':
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showhelp = 1;
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break;
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case 'b':
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showbuiltin = 1;
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break;
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case '?':
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*parShouldQuit = 1;
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return 2;
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}
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option_index = 0;
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}
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if (parArgc < 2 or showhelp) {
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*parShouldQuit = 1;
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if (parArgc < 2) {
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streamout = stderr;
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fprintf(stderr, "No action specified. ");
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retval = 2;
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}
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else {
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print_usage();
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printf("\n");
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streamout = stdout;
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retval = 0;
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}
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fprintf(streamout, "Available actions are:\n");
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foreach_avail_action(&printf_stream, parActions, parActionCount, streamout);
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return retval;
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}
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else if (showbuiltin) {
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*parShouldQuit = 1;
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print_builtin_feats();
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return 0;
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}
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return 0;
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}
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}
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