#include <apt-pkg/error.h>
#include <apt-pkg/strutl.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <string>
+
#include <apti18n.h>
/*}}}*/
using namespace std;
CommandLine::CommandLine(Args *AList,Configuration *Conf) : ArgList(AList),
Conf(Conf), FileList(0)
{
+}
+CommandLine::CommandLine() : ArgList(NULL), Conf(NULL), FileList(0)
+{
}
/*}}}*/
// CommandLine::~CommandLine - Destructor /*{{{*/
delete [] FileList;
}
/*}}}*/
+// CommandLine::GetCommand - return the first non-option word /*{{{*/
+char const * CommandLine::GetCommand(Dispatch const * const Map,
+ unsigned int const argc, char const * const * const argv)
+{
+ // if there is a -- on the line there must be the word we search for either
+ // before it (as -- marks the end of the options) or right after it (as we can't
+ // decide if the command is actually an option, given that in theory, you could
+ // have parameters named like commands)
+ for (size_t i = 1; i < argc; ++i)
+ {
+ if (strcmp(argv[i], "--") != 0)
+ continue;
+ // check if command is before --
+ for (size_t k = 1; k < i; ++k)
+ for (size_t j = 0; Map[j].Match != NULL; ++j)
+ if (strcmp(argv[k], Map[j].Match) == 0)
+ return Map[j].Match;
+ // see if the next token after -- is the command
+ ++i;
+ if (i < argc)
+ for (size_t j = 0; Map[j].Match != NULL; ++j)
+ if (strcmp(argv[i], Map[j].Match) == 0)
+ return Map[j].Match;
+ // we found a --, but not a command
+ return NULL;
+ }
+ // no --, so search for the first word matching a command
+ // FIXME: How like is it that an option parameter will be also a valid Match ?
+ for (size_t i = 1; i < argc; ++i)
+ {
+ if (*(argv[i]) == '-')
+ continue;
+ for (size_t j = 0; Map[j].Match != NULL; ++j)
+ if (strcmp(argv[i], Map[j].Match) == 0)
+ return Map[j].Match;
+ }
+ return NULL;
+}
+ /*}}}*/
// CommandLine::Parse - Main action member /*{{{*/
// ---------------------------------------------------------------------
/* */
Args *A;
for (A = ArgList; A->end() == false && A->ShortOpt != *Opt; A++);
if (A->end() == true)
- return _error->Error(_("Command line option '%c' [from %s] is not known."),*Opt,argv[I]);
+ return _error->Error(_("Command line option '%c' [from %s] is not understood in combination with the other options."),*Opt,argv[I]);
if (HandleOpt(I,argc,argv,Opt,A) == false)
return false;
Opt++;
// Match up to a = against the list
- const char *OptEnd = Opt;
Args *A;
- for (; *OptEnd != 0 && *OptEnd != '='; OptEnd++);
- for (A = ArgList; A->end() == false &&
- stringcasecmp(Opt,OptEnd,A->LongOpt) != 0; A++);
+ const char *OptEnd = strchrnul(Opt, '=');
+ for (A = ArgList; A->end() == false &&
+ (A->LongOpt == 0 || 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 = (const char*) memchr(Opt, '-', OptEnd - Opt);
+ if (Opt == NULL)
+ return _error->Error(_("Command line option %s is not understood in combination with the other options"),argv[I]);
Opt++;
for (A = ArgList; A->end() == false &&
- stringcasecmp(Opt,OptEnd,A->LongOpt) != 0; A++);
+ (A->LongOpt == 0 || 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]);
+ return _error->Error(_("Command line option %s is not understood in combination with the other options"),argv[I]);
// The option could be a single letter option prefixed by a no-..
if (A->end() == true)
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]);
+ return _error->Error(_("Command line option %s is not understood in combination with the other options"),argv[I]);
}
// The option is not boolean
/* Determine the possible location of an option or 0 if their is
no option */
- if (Opt[1] == 0 || (Opt[1] == '=' && Opt[2] == 0))
+ if (Opt[1] == 0)
{
if (I + 1 < argc && argv[I+1][0] != '-')
Argument = argv[I+1];
-
- // Equals was specified but we fell off the end!
- if (Opt[1] == '=' && Argument == 0)
- return _error->Error(_("Option %s requires an argument."),argv[I]);
- if (Opt[1] == '=')
- CertainArg = true;
-
+
IncI = 1;
}
else
// Arbitrary item specification
if ((A->Flags & ArbItem) == ArbItem)
{
- const char *J;
- for (J = Argument; *J != 0 && *J != '='; J++);
- if (*J == 0)
+ const char * const J = strchr(Argument, '=');
+ if (J == nullptr)
return _error->Error(_("Option %s: Configuration item specification must have an =<val>."),argv[I]);
- // = is trailing
- if (J[1] == 0)
- {
- if (I+1 >= argc)
- return _error->Error(_("Option %s: Configuration item specification 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));
-
+ Conf->Set(string(Argument,J-Argument), J+1);
return true;
}
- const char *I = A->ConfName;
- for (; *I != 0 && *I != ' '; I++);
+ const char *I = strchrnul(A->ConfName, ' ');
if (*I == ' ')
Conf->Set(string(A->ConfName,0,I-A->ConfName),string(I+1) + Argument);
else
// Look for an argument.
while (1)
{
- // Look at preceeding text
+ // Look at preceding text
char Buffer[300];
if (Argument == 0)
{
// 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)
+
+ const char *JEnd = strchr(J, '-');
+ if (JEnd != NULL)
{
strncpy(Buffer,J,JEnd - J);
Buffer[JEnd - J] = 0;
}
/*}}}*/
// CommandLine::DispatchArg - Do something with the first arg /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool CommandLine::DispatchArg(Dispatch *Map,bool NoMatch)
+bool CommandLine::DispatchArg(Dispatch const * const Map,bool NoMatch)
{
int I;
for (I = 0; Map[I].Match != 0; I++)
}
return false;
+}
+bool CommandLine::DispatchArg(Dispatch *Map,bool NoMatch)
+{
+ Dispatch const * const Map2 = Map;
+ return DispatchArg(Map2, NoMatch);
}
/*}}}*/
// CommandLine::SaveInConfig - for output later in a logfile or so /*{{{*/
void CommandLine::SaveInConfig(unsigned int const &argc, char const * const * const argv)
{
char cmdline[100 + argc * 50];
+ memset(cmdline, 0, sizeof(cmdline));
unsigned int length = 0;
bool lastWasOption = false;
bool closeQuote = false;
{
// That is possibly an option: Quote it if it includes spaces,
// the benefit is that this will eliminate also most false positives
- const char* c = &argv[i][j+1];
- for (; *c != '\0' && *c != ' '; ++c);
- if (*c == '\0') continue;
+ const char* c = strchr(&argv[i][j+1], ' ');
+ if (c == NULL) continue;
cmdline[++length] = '"';
closeQuote = true;
}
_config->Set("CommandLine::AsString", cmdline);
}
/*}}}*/
+CommandLine::Args CommandLine::MakeArgs(char ShortOpt, char const *LongOpt, char const *ConfName, unsigned long Flags)/*{{{*/
+{
+ /* In theory, this should be a constructor for CommandLine::Args instead,
+ but this breaks compatibility as gcc thinks this is a c++11 initializer_list */
+ CommandLine::Args arg;
+ arg.ShortOpt = ShortOpt;
+ arg.LongOpt = LongOpt;
+ arg.ConfName = ConfName;
+ arg.Flags = Flags;
+ return arg;
+}
+ /*}}}*/
projects / apt.git / blobdiff