Files
cpufetch/src/common/args.c

286 lines
7.1 KiB
C

#include <getopt.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "args.h"
#include "global.h"
#define NUM_COLORS 4
#define COLOR_STR_INTEL "intel"
#define COLOR_STR_AMD "amd"
#define COLOR_STR_IBM "ibm"
#define COLOR_STR_ARM "arm"
static const char *SYTLES_STR_LIST[] = {
[STYLE_EMPTY] = NULL,
[STYLE_FANCY] = "fancy",
[STYLE_RETRO] = "retro",
[STYLE_LEGACY] = "legacy",
[STYLE_INVALID] = NULL
};
struct args_struct {
bool debug_flag;
bool help_flag;
bool raw_flag;
bool verbose_flag;
bool version_flag;
STYLE style;
struct color** colors;
};
const char args_chr[] = {
/* [ARG_CHAR_STYLE] = */ 's',
/* [ARG_CHAR_COLOR] = */ 'c',
/* [ARG_CHAR_HELP] = */ 'h',
/* [ARG_CHAR_RAW] = */ 'r',
/* [ARG_CHAR_DEBUG] = */ 'd',
/* [ARG_CHAR_VERBOSE] = */ 'v',
/* [ARG_CHAR_VERSION] = */ 'V',
};
const char *args_str[] = {
/* [ARG_CHAR_STYLE] = */ "style",
/* [ARG_CHAR_COLOR] = */ "color",
/* [ARG_CHAR_HELP] = */ "help",
/* [ARG_CHAR_RAW] = */ "raw",
/* [ARG_CHAR_DEBUG] = */ "debug",
/* [ARG_CHAR_VERBOSE] = */ "verbose",
/* [ARG_CHAR_VERSION] = */ "version",
};
static struct args_struct args;
STYLE get_style() {
return args.style;
}
struct color** get_colors() {
return args.colors;
}
bool show_help() {
return args.help_flag;
}
bool show_version() {
return args.version_flag;
}
bool show_debug() {
return args.debug_flag;
}
bool show_raw() {
return args.raw_flag;
}
bool verbose_enabled() {
return args.verbose_flag;
}
int max_arg_str_length() {
int max_len = -1;
int len = sizeof(args_str) / sizeof(args_str[0]);
for(int i=0; i < len; i++) {
max_len = max(max_len, (int) strlen(args_str[i]));
}
return max_len;
}
STYLE parse_style(char* style) {
uint8_t i = 0;
uint8_t styles_count = sizeof(SYTLES_STR_LIST) / sizeof(SYTLES_STR_LIST[0]);
while(i != styles_count && (SYTLES_STR_LIST[i] == NULL || strcmp(SYTLES_STR_LIST[i], style) != 0))
i++;
if(i == styles_count)
return STYLE_INVALID;
return i;
}
void free_colors_struct(struct color** cs) {
for(int i=0; i < NUM_COLORS; i++) {
free(cs[i]);
}
free(cs);
}
bool parse_color(char* optarg_str, struct color*** cs) {
for(int i=0; i < NUM_COLORS; i++) {
(*cs)[i] = emalloc(sizeof(struct color));
}
struct color** c = *cs;
int32_t ret;
char* str_to_parse = NULL;
bool free_ptr;
if(strcmp(optarg_str, COLOR_STR_INTEL) == 0) {
str_to_parse = emalloc(sizeof(char) * 46);
strcpy(str_to_parse, COLOR_DEFAULT_INTEL);
free_ptr = true;
}
else if(strcmp(optarg_str, COLOR_STR_AMD) == 0) {
str_to_parse = emalloc(sizeof(char) * 44);
strcpy(str_to_parse, COLOR_DEFAULT_AMD);
free_ptr = true;
}
else if(strcmp(optarg_str, COLOR_STR_IBM) == 0) {
str_to_parse = emalloc(sizeof(char) * 45);
strcpy(str_to_parse, COLOR_DEFAULT_IBM);
free_ptr = true;
}
else if(strcmp(optarg_str, COLOR_STR_ARM) == 0) {
str_to_parse = emalloc(sizeof(char) * 46);
strcpy(str_to_parse, COLOR_DEFAULT_ARM);
free_ptr = true;
}
else {
str_to_parse = optarg_str;
free_ptr = false;
}
ret = sscanf(str_to_parse, "%d,%d,%d:%d,%d,%d:%d,%d,%d:%d,%d,%d",
&c[0]->R, &c[0]->G, &c[0]->B,
&c[1]->R, &c[1]->G, &c[1]->B,
&c[2]->R, &c[2]->G, &c[2]->B,
&c[3]->R, &c[3]->G, &c[3]->B);
if(ret != 12) {
printErr("Expected to read 12 values for color but read %d", ret);
return false;
}
for(int i=0; i < NUM_COLORS; i++) {
if(c[i]->R < 0 || c[i]->R > 255) {
printErr("Red in color %d is invalid: %d; must be in range (0, 255)", i+1, c[i]->R);
return false;
}
if(c[i]->G < 0 || c[i]->G > 255) {
printErr("Green in color %d is invalid: %d; must be in range (0, 255)", i+1, c[i]->G);
return false;
}
if(c[i]->B < 0 || c[i]->B > 255) {
printErr("Blue in color %d is invalid: %d; must be in range (0, 255)", i+1, c[i]->B);
return false;
}
}
if(free_ptr) free (str_to_parse);
return true;
}
char* build_short_options() {
const char *c = args_chr;
int len = sizeof(args_chr) / sizeof(args_chr[0]);
char* str = (char *) emalloc(sizeof(char) * (len*2 + 1));
memset(str, 0, sizeof(char) * (len*2 + 1));
#ifdef ARCH_X86
sprintf(str, "%c:%c:%c%c%c%c%c",
c[ARG_STYLE], c[ARG_COLOR], c[ARG_HELP], c[ARG_RAW],
c[ARG_DEBUG], c[ARG_VERBOSE], c[ARG_VERSION]);
#else
sprintf(str, "%c:%c:%c%c%c%c",
c[ARG_STYLE], c[ARG_COLOR], c[ARG_HELP],
c[ARG_DEBUG], c[ARG_VERBOSE], c[ARG_VERSION]);
#endif
return str;
}
bool parse_args(int argc, char* argv[]) {
int opt;
int option_index = 0;
opterr = 0;
bool color_flag = false;
args.debug_flag = false;
args.raw_flag = false;
args.verbose_flag = false;
args.help_flag = false;
args.style = STYLE_EMPTY;
args.colors = NULL;
const struct option long_options[] = {
{args_str[ARG_STYLE], required_argument, 0, args_chr[ARG_STYLE] },
{args_str[ARG_COLOR], required_argument, 0, args_chr[ARG_COLOR] },
{args_str[ARG_HELP], no_argument, 0, args_chr[ARG_HELP] },
#ifdef ARCH_X86
{args_str[ARG_RAW], no_argument, 0, args_chr[ARG_RAW] },
#endif
{args_str[ARG_DEBUG], no_argument, 0, args_chr[ARG_DEBUG] },
{args_str[ARG_VERBOSE], no_argument, 0, args_chr[ARG_VERBOSE] },
{args_str[ARG_VERSION], no_argument, 0, args_chr[ARG_VERSION] },
{0, 0, 0, 0}
};
char* short_options = build_short_options();
opt = getopt_long(argc, argv, short_options, long_options, &option_index);
while (!args.help_flag && !args.debug_flag && !args.version_flag && opt != -1) {
if(opt == args_chr[ARG_COLOR]) {
if(color_flag) {
printErr("Color option specified more than once");
return false;
}
color_flag = true;
args.colors = emalloc(sizeof(struct color *) * NUM_COLORS);
if(!parse_color(optarg, &args.colors)) {
return false;
}
}
else if(opt == args_chr[ARG_STYLE]) {
if(args.style != STYLE_EMPTY) {
printErr("Style option specified more than once");
return false;
}
args.style = parse_style(optarg);
if(args.style == STYLE_INVALID) {
printErr("Invalid style '%s'",optarg);
return false;
}
break;
}
else if(opt == args_chr[ARG_HELP]) {
args.help_flag = true;
}
else if(opt == args_chr[ARG_RAW]) {
args.raw_flag = true;
}
else if(opt == args_chr[ARG_VERBOSE]) {
args.verbose_flag = true;
}
else if(opt == args_chr[ARG_DEBUG]) {
args.debug_flag = true;
}
else if(opt == args_chr[ARG_VERSION]) {
args.version_flag = true;
}
else {
printWarn("Invalid options");
args.help_flag = true;
}
option_index = 0;
opt = getopt_long(argc, argv, short_options, long_options, &option_index);
}
if(optind < argc) {
printWarn("Invalid options");
args.help_flag = true;
}
if((args.help_flag + args.version_flag + color_flag) > 1) {
printWarn("You should specify just one option");
args.help_flag = true;
}
return true;
}