// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: cmndline.cc,v 1.1 1998/09/22 05:30:26 jgg Exp $
+// $Id: cmndline.cc,v 1.6 1998/11/25 23:54:22 jgg Exp $
/* ######################################################################
Command Line Class - Sophisticated command line parser
CommandLine::CommandLine(Args *AList,Configuration *Conf) : ArgList(AList),
Conf(Conf), FileList(0)
{
+}
+ /*}}}*/
+// CommandLine::~CommandLine - Destructor /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+CommandLine::~CommandLine()
+{
+ delete [] FileList;
}
/*}}}*/
// CommandLine::Parse - Main action member /*{{{*/
/* */
bool CommandLine::Parse(int argc,const char **argv)
{
+ delete [] FileList;
FileList = new const char *[argc];
const char **Files = FileList;
int I;
stringcasecmp(Opt,OptEnd,A->LongOpt) != 0; A++);
// Failed, look for a word after the first - (no-foo)
+ bool PreceedMatch = false;
if (A->end() == true)
{
for (; Opt != OptEnd && *Opt != '-'; Opt++);
if (Opt == OptEnd)
return _error->Error("Command line option %s is not understood",argv[I]);
Opt++;
+ cout << Opt << endl;
for (A = ArgList; A->end() == false &&
stringcasecmp(Opt,OptEnd,A->LongOpt) != 0; A++);
// Failed again..
if (A->end() == true && OptEnd - Opt != 1)
return _error->Error("Command line option %s is not understood",argv[I]);
-
+
// The option could be a single letter option prefixed by a no-..
- for (A = ArgList; A->end() == false && A->ShortOpt != *Opt; A++);
-
if (A->end() == true)
- return _error->Error("Command line option %s is not understood",argv[I]);
+ {
+ for (A = ArgList; A->end() == false && A->ShortOpt != *Opt; A++);
+
+ if (A->end() == true)
+ return _error->Error("Command line option %s is not understood",argv[I]);
+ }
+
+ // The option is not boolean
+ if (A->IsBoolean() == false)
+ return _error->Error("Command line option %s is not boolean",argv[I]);
+ PreceedMatch = true;
}
// Deal with it.
OptEnd--;
- if (HandleOpt(I,argc,argv,OptEnd,A) == false)
+ if (HandleOpt(I,argc,argv,OptEnd,A,PreceedMatch) == false)
return false;
}
and looks for specific patterns in the string, it gets tokanized
-ruffly- like -*[yes|true|enable]-(o|longopt)[=][ ][argument] */
bool CommandLine::HandleOpt(int &I,int argc,const char *argv[],
- const char *&Opt,Args *A)
+ const char *&Opt,Args *A,bool PreceedMatch)
{
const char *Argument = 0;
bool CertainArg = false;
else
Argument = Opt + 1;
}
-
+
// Option is an argument set
if ((A->Flags & HasArg) == HasArg)
{
// Parse a configuration file
if ((A->Flags & ConfigFile) == ConfigFile)
return ReadConfigFile(*Conf,Argument);
+
+ // Arbitary item specification
+ if ((A->Flags & ArbItem) == ArbItem)
+ {
+ const char *J;
+ for (J = Argument; *J != 0 && *J != '='; J++);
+ if (*J == 0)
+ return _error->Error("Option %s: Configuration item sepecification must have an =<val>.",argv[I]);
+
+ // = is trailing
+ if (J[1] == 0)
+ {
+ if (I+1 >= argc)
+ return _error->Error("Option %s: Configuration item sepecification must have an =<val>.",argv[I]);
+ Conf->Set(string(Argument,J-Argument),string(argv[I++ +1]));
+ }
+ else
+ Conf->Set(string(Argument,J-Argument),string(J+1));
+
+ return true;
+ }
Conf->Set(A->ConfName,Argument);
return true;
char Buffer[300];
if (Argument == 0)
{
+ if (PreceedMatch == false)
+ break;
+
if (strlen(argv[I]) >= sizeof(Buffer))
return _error->Error("Option '%s' is too long",argv[I]);
-
+
+ // Skip the leading dash
const char *J = argv[I];
for (; *J != 0 && *J == '-'; J++);
+
const char *JEnd = J;
for (; *JEnd != 0 && *JEnd != '-'; JEnd++);
if (*JEnd != 0)
break;
}
- // Check for positives
- if (strcasecmp(Argument,"yes") == 0 ||
- strcasecmp(Argument,"true") == 0 ||
- strcasecmp(Argument,"with") == 0 ||
- strcasecmp(Argument,"enable") == 0)
+ // Check for boolean
+ Sense = StringToBool(Argument);
+ if (Sense >= 0)
{
- Sense = 1;
-
// Eat the argument
if (Argument != Buffer)
{
break;
}
- // Check for negatives
- if (strcasecmp(Argument,"no") == 0 ||
- strcasecmp(Argument,"false") == 0 ||
- strcasecmp(Argument,"without") == 0 ||
- strcasecmp(Argument,"disable") == 0)
- {
- Sense = 0;
-
- // Eat the argument
- if (Argument != Buffer)
- {
- Opt += strlen(Opt);
- I += IncI;
- }
- break;
- }
-
if (CertainArg == true)
return _error->Error("Sense %s is not understood, try true or false.",Argument);
return true;
}
/*}}}*/
+// CommandLine::FileSize - Count the number of filenames /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+unsigned int CommandLine::FileSize() const
+{
+ unsigned int Count = 0;
+ for (const char **I = FileList; I != 0 && *I != 0; I++)
+ Count++;
+ return Count;
+}
+ /*}}}*/
+// CommandLine::DispatchArg - Do something with the first arg /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool CommandLine::DispatchArg(Dispatch *Map)
+{
+ int I;
+ for (I = 0; Map[I].Match != 0; I++)
+ {
+ if (strcmp(FileList[0],Map[I].Match) == 0)
+ {
+ bool Res = Map[I].Handler(*this);
+ if (Res == false && _error->PendingError() == false)
+ _error->Error("Handler silently failed");
+ return Res;
+ }
+ }
+
+ // No matching name
+ if (Map[I].Match == 0)
+ _error->Error("Invalid operation %s",FileList[0]);
+ return false;
+}
+ /*}}}*/
projects / apt.git / blobdiff