175 lines
3.3 KiB
C
175 lines
3.3 KiB
C
#include "command.h"
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#include <fx/cmd.h>
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#include <fx/ds/string.h>
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#include <stdlib.h>
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#include <string.h>
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struct fx_command_arg *fx_command_arg_create(void)
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{
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struct fx_command_arg *out = malloc(sizeof *out);
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if (!out) {
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return out;
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}
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memset(out, 0x0, sizeof *out);
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return out;
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}
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void fx_command_arg_destroy(struct fx_command_arg *arg)
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{
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if (arg->arg_name) {
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free(arg->arg_name);
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}
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if (arg->arg_description) {
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free(arg->arg_description);
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}
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if (arg->arg_allowed_values) {
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for (unsigned int i = 0; arg->arg_allowed_values[i]; i++) {
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free(arg->arg_allowed_values[i]);
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}
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free(arg->arg_allowed_values);
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}
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free(arg);
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}
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fx_status fx_command_arg_set_name(struct fx_command_arg *arg, const char *name)
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{
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char *n = fx_strdup(name);
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if (!n) {
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return FX_ERR_NO_MEMORY;
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}
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if (arg->arg_name) {
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free(arg->arg_name);
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arg->arg_name = NULL;
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}
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arg->arg_name = n;
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return FX_SUCCESS;
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}
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fx_status fx_command_arg_set_description(
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struct fx_command_arg *arg, const char *description)
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{
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char *desc = fx_strdup(description);
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if (!desc) {
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return FX_ERR_NO_MEMORY;
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}
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if (arg->arg_description) {
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free(arg->arg_description);
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arg->arg_description = NULL;
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}
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arg->arg_description = desc;
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return FX_SUCCESS;
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}
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fx_status fx_command_arg_set_nr_values(
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struct fx_command_arg *arg, enum fx_command_arg_value_count nr_values)
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{
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arg->arg_nr_values = nr_values;
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return FX_SUCCESS;
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}
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fx_status fx_command_arg_set_allowed_values(
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struct fx_command_arg *arg, const char **allowed_values)
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{
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size_t count;
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for (count = 0; allowed_values[count]; count++)
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;
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char **values = calloc(count + 1, sizeof *values);
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if (!values) {
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return FX_ERR_NO_MEMORY;
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}
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for (size_t i = 0; i < count; i++) {
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values[i] = fx_strdup(allowed_values[i]);
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if (!values[i]) {
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/* TODO also free strings in `values` */
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free(values);
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return FX_ERR_NO_MEMORY;
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}
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}
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arg->arg_allowed_values = values;
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return FX_SUCCESS;
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}
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void z__fx_get_arg_usage_string(struct fx_command_arg *arg, bool colour, fx_string *out)
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{
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bool optional = false, multi = false;
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switch (arg->arg_nr_values) {
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case FX_ARG_0_OR_1_VALUES:
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optional = true;
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multi = false;
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break;
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case FX_ARG_0_OR_MORE_VALUES:
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optional = true;
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multi = true;
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break;
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case FX_ARG_1_OR_MORE_VALUES:
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optional = false;
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multi = true;
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break;
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default:
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optional = false;
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multi = false;
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break;
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}
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if (optional) {
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fx_string_append_cstrf(
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out, colour ? F_GREEN "[[%s]" : "[[%s]", arg->arg_name);
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} else {
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fx_string_append_cstrf(
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out, colour ? F_GREEN "<%s>" : "<%s>", arg->arg_name);
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}
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for (int i = 1; i < arg->arg_nr_values; i++) {
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fx_string_append_cstrf(out, " <%s>", arg->arg_name);
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}
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if (multi) {
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fx_string_append_cstr(out, "...");
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}
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if (colour) {
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fx_string_append_cstr(out, F_RESET);
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}
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}
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void z__fx_get_arg_description(struct fx_command_arg *arg, fx_string *out)
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{
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if (arg->arg_description) {
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fx_string_append_cstr(out, arg->arg_description);
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}
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if (!arg->arg_allowed_values) {
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return;
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}
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if (arg->arg_description) {
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fx_string_append_cstr(out, " ");
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}
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fx_string_append_cstr(out, "[[values:");
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for (size_t i = 0; arg->arg_allowed_values[i]; i++) {
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if (i > 0) {
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fx_string_append_cstr(out, ",");
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}
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fx_string_append_cstrf(
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out, " " F_GREEN "%s" F_RESET, arg->arg_allowed_values[i]);
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}
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fx_string_append_cstr(out, "]");
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}
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