X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=lib%2Fargs.h;h=ac8586c5ab7ab7dc96af31cd76c6590b2bd796e7;hp=cc9a58d3f300142bbb7f738126de510171f77b61;hb=ede90e3f60487332bcaede6d8f62ad0f3e0fb715;hpb=9d85e6224fa9ac5b4c54e7af8ea3b7c9271c2680

diff --git a/lib/args.h b/lib/args.h
index cc9a58d..ac8586c 100644
--- a/lib/args.h
+++ b/lib/args.h
@@ -4,8 +4,20 @@
    Part of the swftools package.
 
    Copyright (c) 2001 Matthias Kramm <kramm@quiss.org> 
+ 
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
 
-   This file is distributed under the GPL, see file COPYING for details */
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
 #ifndef __args_h__
 #define __args_h__
@@ -15,48 +27,69 @@ extern int args_callback_longoption(char*,char*);
 extern int args_callback_command(char*,char*);
 extern void args_callback_usage(char*name);
 
-int argn;
-char**argv;
+//int argn;
+//char**argv;
 
 void processargs(int argn2,char**argv2)
 {
     int t;
     if(argn2==1)
     {
-	args_callback_usage(argv2[0]);
-	exit(1);
+        args_callback_usage(argv2[0]);
+        exit(1);
     }
     for(t=1;t<argn2;t++)
     {
-	char*next;
-	if(t<argn2-1) next=argv2[t+1];
-	else	    next=0;
+        char*next;
+        if(t<argn2-1) next=argv2[t+1];
+        else        next=0;
 
-	if(argv2[t][0]=='-')
-	{
-	    if(argv2[t][1]=='-')
-	    {
-		if(!strcmp(&argv2[t][2],"help")) 
-		{
-		    args_callback_usage(argv2[0]);
-		    exit(1);
-		}
-		t+=args_callback_longoption(&argv2[t][2],next);
-	    }
-	    else
-	    {
-		if(strchr("?h",argv2[t][1]))
-		{
-		    args_callback_usage(argv2[0]);
-		    exit(1);
-		}
-		t+=args_callback_option(&argv2[t][1],next);
-	    }
-	}
-	else
-	{
-	    t+=args_callback_command(argv2[t],next);
-	}
+        if(argv2[t][0]=='-')
+        {
+            if(argv2[t][1]=='-')
+            {
+                if(!strcmp(&argv2[t][2],"help")) 
+                {
+                    args_callback_usage(argv2[0]);
+                    exit(1);
+                }
+                t+=args_callback_longoption(&argv2[t][2],next);
+            }
+            else
+            {
+                if(strchr("?h",argv2[t][1]))
+                {
+                    args_callback_usage(argv2[0]);
+                    exit(1);
+                }
+                if(argv2[t][1]) // this might be something like e.g. -xvf
+                {
+                    char buf[2];
+                    int s=1;
+                    int ret;
+                    buf[1]=0;
+                    do{
+                        if(argv2[t][s+1]) {
+                          buf[0] = argv2[t][s];
+                          ret = args_callback_option(buf,&argv2[t][s+1]);
+                        }
+                        else {
+                          t+= args_callback_option(&argv2[t][s], next);
+                          break;
+                        }
+                        s++;
+                    } while(!ret);
+                }
+                else // - usually means "read stdout"
+                {
+                    t+=args_callback_option(&argv2[t][1],next);
+                }
+            }
+        }
+        else
+        {
+            t+=args_callback_command(argv2[t],next);
+        }
     }
 }
 
@@ -70,25 +103,103 @@ int args_long2shortoption(struct options_t*options, char*name, char*val)
 {
     char*equal = strchr(name,'=');
     if (equal) {
-	*equal = 0;
-	equal++;
+        *equal = 0;
+        equal++;
     }
     while(options->shortoption) {
         if(!strcmp(options->longoption, name)) {
-		char*tmp = (char*)malloc(strlen(options->shortoption)
-			+(equal?strlen(equal)+2:2));
-		strcpy(tmp, options->shortoption);
-		if(equal) {
-		    //strcpy(&tmp[strlen(tmp)], equal);
-		    int ret = args_callback_option(tmp, equal);
-		    return 0;
-		}
-		return args_callback_option(tmp,val);
-	}
-	options++;
+                char*tmp = (char*)malloc(strlen(options->shortoption)
+                        +(equal?strlen(equal)+2:2));
+                strcpy(tmp, options->shortoption);
+                if(equal) {
+                    //strcpy(&tmp[strlen(tmp)], equal);
+                    int ret = args_callback_option(tmp, equal);
+                    if(!ret) {
+                        fprintf(stderr, "Warning: Option --%s takes no parameter.\n", name);
+                    }
+                    return 0;
+                }
+                return args_callback_option(tmp,val);
+        }
+        options++;
     }
     fprintf(stderr, "Unknown option: --%s\n", name);
     exit(1);
 }
 
+/* check whether the value t is in a given range.
+  examples: 3 is in range 1-10: true
+            7 is in range 2-4,6,8-10: false
+	    9 is in range 1,2,3-12: true
+*/
+char is_in_range(int t, char*irange)
+{
+    char*pos = irange;
+    char*digits;
+    int num;
+    char range = 0;
+    int last=0;
+    char tmp;
+
+    if(!irange)  // no range resembles (-OO,OO)
+	return 1;
+
+    while(*pos)
+    {
+	while(*pos == ' ' || *pos == '\r' || *pos == '\n' || *pos == '\t')
+	    pos++;
+
+	digits = pos;
+	while(*digits>='0' && *digits<='9')
+	    digits++;
+	if(digits == pos) {
+	    fprintf(stderr, "Error: \"%s\" is not a valid format (digit expected)\n",irange);
+	    exit(1);
+        }
+	
+	tmp=*digits;*digits=0;
+	num = atoi(pos);
+	*digits=tmp;
+	pos = digits;
+
+	while(*pos == ' ' || *pos == '\r' || *pos == '\n' || *pos == '\t')
+	    pos++;
+
+	if(range && last<=t && num>=t)
+	    return 1;
+	if(range) {
+	    range = 0;
+	    if(*pos)
+	     pos ++;
+	    continue;
+	}
+
+	if(*pos=='-')
+	{
+	    if(range) {
+		fprintf(stderr, "Error: \"%s\" is not a valid format (too many '-'s)\n",irange);
+		exit(1);
+	    }
+	    last = num;
+	    range = 1;
+	    if(*pos)
+	     pos ++;
+	    continue;
+	} 
+	else 
+	{
+	    /* if it isn't a '-', we assume it is a seperator like
+	       ',', ';', ':', whatever. */
+	    if(t == num)
+		return 1;
+	    if(*pos)
+	     pos ++;
+	    continue;
+	}
+    }
+    if(range && last<=t)
+	return 1;
+    return 0;
+}
+
 #endif //__args_h__