#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;
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 /*{{{*/
// ---------------------------------------------------------------------
/* */
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)
+ Opt = (const char*) memchr(Opt, '-', OptEnd - Opt);
+ if (Opt == NULL)
return _error->Error(_("Command line option %s is not understood"),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)
// Arbitrary item specification
if ((A->Flags & ArbItem) == ArbItem)
{
- const char *J;
- for (J = Argument; *J != 0 && *J != '='; J++);
- if (*J == 0)
+ const char *J = strchr(Argument, '=');
+ if (J == NULL)
return _error->Error(_("Option %s: Configuration item specification must have an =<val>."),argv[I]);
// = is trailing
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;
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