Support for simple args options(currently, help and style). New feature to switch colors of logo, to improve visibility in bright terminals

Makefile

@@ -2,8 +2,8 @@ CXX=gcc
 
 CXXFLAGS=-g -Wall -Werror -fstack-protector-all -pedantic -Wno-unused
 
-SOURCE=main.c standart.c extended.c cpuid.c udev.c printer.c
-HEADERS=standart.h extended.h cpuid.h udev.h printer.h ascii.h
+SOURCE=main.c standart.c extended.c cpuid.c udev.c printer.c args.c
+HEADERS=standart.h extended.h cpuid.h udev.h printer.h ascii.h args.h
 
 OUTPUT=cpufetch
 

args.c

@@ -0,0 +1,93 @@
+#include <getopt.h>
+#include <stdio.h>
+#include <string.h>
+#include "args.h"
+
+#define ARG_STR_STYLE "style"
+#define ARG_STR_HELP  "help"
+#define ARG_CHAR_STYLE 's'
+#define ARG_CHAR_HELP  'h'
+#define STYLE_STR_1 "default"
+#define STYLE_STR_2 "dark"
+
+struct args_struct {
+  int help_flag;
+  STYLE style;
+};
+
+static const char* SYTLES_STR_LIST[STYLES_COUNT] = { STYLE_STR_1, STYLE_STR_2 };
+static struct args_struct args;
+
+STYLE parseStyle(char* style) {
+  int i = 0;
+  while(i != STYLES_COUNT && strcmp(SYTLES_STR_LIST[i],style) != 0)
+    i++;
+
+  if(i == STYLES_COUNT)
+    return STYLE_INVALID;
+  return i;
+}
+
+STYLE getStyle() {
+  return args.style;
+}
+
+int showHelp() {
+  return args.help_flag;
+}
+
+int parseArgs(int argc, char* argv[]) {
+  int c;
+  int digit_optind = 0;
+  int option_index = 0;
+  opterr = 0;
+
+  args.help_flag = BOOLEAN_FALSE;
+  args.style = STYLE_EMPTY;
+
+  static struct option long_options[] = {
+      {ARG_STR_STYLE, required_argument, 0, ARG_CHAR_STYLE},
+      {ARG_STR_HELP,  no_argument,       0, ARG_CHAR_HELP },
+      {0, 0, 0, 0}
+  };
+
+  c = getopt_long(argc, argv,"",long_options, &option_index);
+
+  while (c != -1) {
+     if(c == ARG_CHAR_STYLE) {
+       if(args.style != STYLE_EMPTY) {
+         printf("ERROR: Style option specified more than once\n");
+         return BOOLEAN_FALSE;
+       }
+       args.style = parseStyle(optarg);
+       if(args.style == STYLE_INVALID) {
+          printf("ERROR: Invalid style '%s'\n",optarg);
+          return BOOLEAN_FALSE;
+       }
+     }
+     else if(c == ARG_CHAR_HELP) {
+       if(args.help_flag) {
+         printf("ERROR: Help option specified more than once\n");
+         return BOOLEAN_FALSE;
+       }
+       args.help_flag  = BOOLEAN_TRUE;
+     }
+     else if(c == '?') {
+       printf("WARNING: Invalid options\n");
+       args.help_flag  = BOOLEAN_TRUE;
+       break;
+     }
+     else
+      printf("Bug at line number %d in file %s\n", __LINE__, __FILE__);
+
+    option_index = 0;
+    c = getopt_long(argc, argv,"",long_options, &option_index);
+  }
+
+  if (optind < argc) {
+    printf("WARNING: Invalid options\n");
+    args.help_flag  = BOOLEAN_TRUE;
+  }
+
+  return BOOLEAN_TRUE;
+}

args.h

@@ -0,0 +1,10 @@
+#ifndef __ARGS__
+#define __ARGS__
+
+#include "printer.h"
+
+int parseArgs(int argc, char* argv[]);
+STYLE getStyle();
+int showHelp();
+
+#endif

main.c

@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include "args.h"
 #include "printer.h"
 #include "standart.h"
 #include "udev.h"
@@ -24,14 +25,35 @@ Peak FLOPS:  512 GFLOP/s(in simple precision)
 
 ***/
 
-int main() {
+void help(int argc, char *argv[])
+{
+	printf("Usage: %s [--help] [--style STYLE]\n\
+       Options: \n\
+       --style Set logo style color\n\
+         default: Default style color\n\
+         dark:    Dark style color\n\n\
+       --help  Print this help and exit\n",
+			argv[0]);
+}
+
+int main(int argc, char* argv[]) {
+  if(!parseArgs(argc,argv))
+    return EXIT_FAILURE;
+
+  if(showHelp()) {
+    help(argc,argv);
+    return EXIT_SUCCESS;
+  }
+
   struct cpuInfo* cpu = getCPUInfo();
   if(cpu == NULL)
     return EXIT_FAILURE;
 
   struct cache* cach = new_cache();
   struct frequency* freq = new_frequency();
-  struct ascii* art = set_ascii(getCPUVendorInternal(cpu));
+  struct ascii* art = set_ascii(getCPUVendorInternal(cpu),getStyle());
+  if(art == NULL)
+    return EXIT_FAILURE;
 
   char* cpuName = getString_CPUName();
   char* maxFrequency = getString_MaxFrequency(freq);

printer.c

@@ -5,10 +5,14 @@
 #include "printer.h"
 #include "ascii.h"
 
-#define COL_INTEL_1 "\x1b[34;1m"
-#define COL_INTEL_2 "\x1b[37;1m"
-#define COL_AMD_1 "\x1b[30;1m"
-#define COL_AMD_2 "\x1b[32;1m"
+#define COL_INTEL_DEFAULT_1 "\x1b[36;1m"
+#define COL_INTEL_DEFAULT_2 "\x1b[37;1m"
+#define COL_INTEL_DARK_1 "\x1b[34;1m"
+#define COL_INTEL_DARK_2 "\x1b[30m"
+#define COL_AMD_DEFAULT_1 "\x1b[37;1m"
+#define COL_AMD_DEFAULT_2 "\x1b[31;1m"
+#define COL_AMD_DARK_1 "\x1b[30;1m"
+#define COL_AMD_DARK_2 "\x1b[32;1m"
 #define RESET "\x1b[0m"
 
 #define TITLE_NAME      "Name:       "
@@ -55,13 +59,28 @@ int setAttribute(struct ascii* art, int type, char* value) {
   return BOOLEAN_TRUE;
 }
 
-struct ascii* set_ascii(VENDOR cpuVendor) {
+struct ascii* set_ascii(VENDOR cpuVendor, STYLE style) {
   struct ascii* art = malloc(sizeof(struct ascii));
   art->vendor = cpuVendor;
   if(cpuVendor == VENDOR_INTEL) {
-    strcpy(art->color1,COL_INTEL_1);
-    strcpy(art->color2,COL_INTEL_2);
+    /*** CHECK STYLE ***/
+    switch (style) {
+      case STYLE_EMPTY:
+      case STYLE_DEFAULT:
+        strcpy(art->color1,COL_INTEL_DEFAULT_1);
+        strcpy(art->color2,COL_INTEL_DEFAULT_2);
+        break;
+      case STYLE_DARK:
+        strcpy(art->color1,COL_INTEL_DARK_1);
+        strcpy(art->color2,COL_INTEL_DARK_2);
+        break;
+      default:
+        //TODO Bugs function
+        printf("Bug at line number %d in file %s\n", __LINE__, __FILE__);
+        return NULL;
+    }
 
+    /*** COPY ASCII-ART ***/
     strcpy(art->art[0],INTEL1);
     strcpy(art->art[1],INTEL2);
     strcpy(art->art[2],INTEL3);
@@ -84,8 +103,22 @@ struct ascii* set_ascii(VENDOR cpuVendor) {
     strcpy(art->art[19],INTEL20);
   }
   else {
-    strcpy(art->color1,COL_AMD_1);
-    strcpy(art->color2,COL_AMD_2);
+    /*** CHECK STYLE ***/
+    switch (style) {
+      case STYLE_EMPTY:
+      case STYLE_DEFAULT:
+        strcpy(art->color1,COL_AMD_DEFAULT_1);
+        strcpy(art->color2,COL_AMD_DEFAULT_2);
+        break;
+      case STYLE_DARK:
+        strcpy(art->color1,COL_AMD_DARK_1);
+        strcpy(art->color2,COL_AMD_DARK_2);
+        break;
+      default:
+        //TODO Bugs function
+        printf("Bug at line number %d in file %s\n", __LINE__, __FILE__);
+        return NULL;
+    }
 
     strcpy(art->art[0],AMD1);
     strcpy(art->art[1],AMD2);

printer.h

@@ -4,12 +4,6 @@
 #include "standart.h"
 #include "ascii.h"
 
-struct ascii;
-
-struct ascii* set_ascii(VENDOR cpuVendor);
-void print_ascii(struct ascii* art);
-int setAttribute(struct ascii* art, int type, char* value);
-
 #define BOOLEAN_TRUE 1
 #define BOOLEAN_FALSE 0
 
@@ -28,4 +22,19 @@ int setAttribute(struct ascii* art, int type, char* value);
 #define ATTRIBUTE_L3        11
 #define ATTRIBUTE_PEAK      12
 
+typedef int STYLE;
+#define STYLES_COUNT 2
+
+#define STYLE_EMPTY -2
+#define STYLE_INVALID -1
+#define STYLE_DEFAULT 0
+#define STYLE_DARK 1
+
+struct ascii;
+
+static const int STYLES_CODE_LIST [STYLES_COUNT] = {STYLE_DEFAULT, STYLE_DARK};
+struct ascii* set_ascii(VENDOR cpuVendor, STYLE style);
+void print_ascii(struct ascii* art);
+int setAttribute(struct ascii* art, int type, char* value);
+
 #endif