From a895fcd61a1873060e0f301788b8ed6a0f6e08f9 Mon Sep 17 00:00:00 2001
From: jukoo <jUmarB@protonmail.com>
Date: Sun, 1 Dec 2024 23:19:34 +0000
Subject: [PATCH] make flag option more dynamic instead the default  one

---
 .gitignore |  1 +
 arghlp.c   | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 arghlp.h   | 17 +++++------------
 main.c     |  3 ++-
 4 files changed, 58 insertions(+), 14 deletions(-)

diff --git a/.gitignore b/.gitignore
index 75e72d9..8302b2f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ build/*
 lib/* 
 example/bin/*
 example/build/*
+TODO.md 
diff --git a/arghlp.c b/arghlp.c
index 0f72825..4e9a916 100644
--- a/arghlp.c
+++ b/arghlp.c
@@ -16,7 +16,7 @@
 #include <libgen.h>
 #include <stdio.h> 
 #include <string.h>
-
+#include <ctype.h> 
 #include  "arghlp.h"
 
 char __usage[USAGE_BUFF] = {0} ; 
@@ -169,3 +169,52 @@ static struct option * extract_getopt_option(struct  option * g_opt)
   return g_opt ;  
 }
 
+char *optentry(char *const *av  , int ac  ,int optindex)   
+{
+  
+  if(ac == optindex) 
+    return   optarg  ; 
+  
+  char *optfname= (char *) *(av + (optindex -1)) ; 
+ 
+  if(0x2d == (*optfname & 0xff) && 0x2d !=  (*(optfname +1) & 0xff ))
+    return optarg ; 
+
+  //! looking for  equal symbol  "=" 
+  
+  char *equ_symb= strchr(optfname ,  0x3d & 0xff ) ;  
+  if (equ_symb)  
+  {
+    size_t symb_offset= equ_symb -  optfname  ;   
+    char *next= equ_symb+1; 
+    if (*next == '\0')   
+    {
+      goto __maybe_next; 
+    }
+
+    //! --option=argument
+    return  strdup(next) ; 
+  }
+  goto __maybe_next; 
+
+__maybe_next: 
+  char *optfname_value = (char *) *(av+optindex);
+  
+  if(0x2d == (*optfname_value & 0xff)) return optarg ; 
+
+  //!  --option =args 
+  if(0x3d == (*optfname_value & 0xff)) 
+  {
+    optfname_value++ ; 
+    if (0 == (*optfname_value & 0xff))  
+    {
+      optindex++ ; 
+      goto __maybe_next ; 
+    }
+    return strdup(optfname_value)  ; 
+  }
+
+  //! --option= args
+  return  strdup(optfname_value) ; 
+
+}
diff --git a/arghlp.h b/arghlp.h
index 2481618..2dacbcf 100644
--- a/arghlp.h
+++ b/arghlp.h
@@ -126,19 +126,12 @@ struct arghlp {
 ARGHLP static char  * get_program_basename(char *const  * __argument_vector) __wur __nonnull((1)); 
 ARGHLP static void  * set_option( char  * __shortopt ,   int __has_arg ) ; 
 ARGHLP static  char * build_short_option(const struct optionx * __raw_optionx) __wur __nonnull((1)); 
-
-ARGHLP void static build_usage_helper(char* flags_t ,
-    const char * __flag_description) __nonnull((1 ,2)); 
-
-ARGHLP static char * make_sysnopsys(char *__basename , 
-    struct arghlp * __synopsys,
-    char * __usage_body) __nonnull((1,2,3)) ; 
-
+ARGHLP void static build_usage_helper(char* flags_t, const char * __flag_description) __nonnull((1,2)); 
+ARGHLP static char * make_sysnopsys(char *__basename, struct arghlp * __synopsys, char * __usage_body) __nonnull((1,2,3)) ; 
 ARGHLP static struct option * extract_getopt_option(struct  option *  __g_option) __nonnull(()) ;
+ARGHLP void  *arghlp_context ( int __argcounter, char * const *__argvector , 
+                               const  struct arghlp *__arghlp , void * __wur __argxtra) __nonnull((2,3));
 
-ARGHLP void  *arghlp_context ( int __argcounter  ,
-    char * const *__argvector , 
-    const  struct arghlp *__arghlp , void * __wur __argxtra) 
-  __nonnull((2,3));
+ARGHLP char *optentry(char * const * __av ,int __ac  , int __optindex) ;  
 
 #endif //!__argument_helper  
diff --git a/main.c b/main.c
index f3618b3..dbfbd96 100644
--- a/main.c
+++ b/main.c
@@ -44,7 +44,8 @@ void  * argparse(int ac  ,char * const * av , const char *shortopt ,  struct opt
         fprintf(stdout, "input -> %s\n" , input) ; 
         break; 
       case 'o': 
-        char *output = optarg  ; 
+    
+        char *output = optentry( av , ac , optind) ; 
         fprintf(stdout, "output -> %s\n" , output) ; 
         break;