fix very stupid out of range error

include/cli-fancy.hpp

@@ -39,7 +39,7 @@ namespace sym {
 const std::string arrow = "";
 }
 class col {
-public:
+ public:
   col() { m_isres = true; }
   col(bool fg, unsigned char r, unsigned char g, unsigned char b) {
     m_isres = false;
@@ -82,7 +82,7 @@ public:
     return buf;
   }
 
-private:
+ private:
   bool m_isres = true;
   bool m_fg = false;
   unsigned char m_r = 0;
@@ -124,11 +124,11 @@ void PrintFancy(const std::vector<std::pair<std::string, col>> &e) {
   }
 }
 class command {
-public:
+ public:
   using ArgumentList = std::vector<std::pair<std::string, std::string>>;
   using Function = std::function<void(const ArgumentList &)>;
   class sub {
-  public:
+   public:
     sub(const std::string &_short, const std::string &_long,
         const std::string desc, bool req) {
       m_isrequired = req;
@@ -143,7 +143,7 @@ public:
     const std::string &GetLong() const { return m_long; }
     const std::string &GetDesc() const { return m_desc; }
 
-  private:
+   private:
     bool m_isrequired;
     std::string m_long;
     std::string m_short;
@@ -180,14 +180,14 @@ public:
   const std::string &GetDesc() const { return m_desc; }
   const std::vector<sub> &GetArgs() const { return m_sub; }
 
-private:
+ private:
   std::string m_name;
   std::string m_desc;
   std::vector<sub> m_sub;
   Function m_fun;
 };
 class arg_mgr {
-public:
+ public:
   arg_mgr() {}
   arg_mgr(char **args, int argc) { Parse(args, argc); }
   arg_mgr(int argc, char **args) { Parse(args, argc); }
@@ -204,8 +204,7 @@ public:
   }
 
   std::string GetArg(std::string w, std::string def = "") {
-    if (!FindShort(m_args, w))
-      return def;
+    if (!FindShort(m_args, w)) return def;
     for (size_t i = 0; i < m_args.size() - 1; i++) {
       if (m_args[i] == std::string("-" + w)) {
         return m_args[i + 1];
@@ -268,27 +267,29 @@ public:
 
   void Execute() {
     command::ArgumentList arglist;
-    for (const auto &c : m_commands) {
-      if (c.GetName() == m_args[1]) {
-        for (const auto &j : c.GetArgs()) {
-          bool ishort = FindShort(m_args, j.GetShort());
-          bool ilong = FindShort(m_args, "-" + j.GetLong());
-          if (!ishort && !ilong) {
-            if (j.IsRequired()) {
+    if (m_args.size() > 1) {
+      for (const auto &c : m_commands) {
+        if (c.GetName() == m_args[1]) {
+          for (const auto &j : c.GetArgs()) {
+            bool ishort = FindShort(m_args, j.GetShort());
+            bool ilong = FindShort(m_args, "-" + j.GetLong());
+            if (!ishort && !ilong) {
+              if (j.IsRequired()) {
+                PrintHelp(c.GetName());
+                return;
+              }
+            } else if (ishort && ilong) {
               PrintHelp(c.GetName());
               return;
+            } else {
+              arglist.push_back(std::make_pair(
+                  j.GetLong(),
+                  GetArg((ishort ? j.GetShort() : ("-" + j.GetLong())))));
             }
-          } else if (ishort && ilong) {
-            PrintHelp(c.GetName());
-            return;
-          } else {
-            arglist.push_back(std::make_pair(
-                j.GetLong(),
-                GetArg((ishort ? j.GetShort() : ("-" + j.GetLong())))));
           }
+          c.Func()(arglist);
+          return;
         }
-        c.Func()(arglist);
-        return;
       }
     }
     PrintHelp("");
@@ -296,10 +297,10 @@ public:
 
   void AddCommand(command cmd) { m_commands.push_back(cmd); }
 
-private:
+ private:
   std::string app_name;
   std::string app_version;
   std::vector<std::string> m_args;
   std::vector<command> m_commands;
 };
-} // namespace cf7
+}  // namespace cf7