X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/3b5421b4c75f5c85b48cbb61bf22642ff52a6352..65bf851838611139239805bee63a7cea4cb0a309:/apt-pkg/contrib/cmndline.cc diff --git a/apt-pkg/contrib/cmndline.cc b/apt-pkg/contrib/cmndline.cc index 94ca4dc70..159f330a1 100644 --- a/apt-pkg/contrib/cmndline.cc +++ b/apt-pkg/contrib/cmndline.cc @@ -1,20 +1,26 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: cmndline.cc,v 1.4 1998/10/20 02:39:25 jgg Exp $ +// $Id: cmndline.cc,v 1.15 2003/02/10 01:40:58 doogie Exp $ /* ###################################################################### Command Line Class - Sophisticated command line parser + This source is placed in the Public Domain, do with it what you will + It was originally written by Jason Gunthorpe . + ##################################################################### */ /*}}}*/ // Include files /*{{{*/ -#ifdef __GNUG__ -#pragma implementation "apt-pkg/cmndline.h" -#endif +#include + +#include #include #include -#include +#include + +#include /*}}}*/ +using namespace std; // CommandLine::CommandLine - Constructor /*{{{*/ // --------------------------------------------------------------------- @@ -56,7 +62,10 @@ bool CommandLine::Parse(int argc,const char **argv) // Double dash signifies the end of option processing if (*Opt == '-' && Opt[1] == 0) + { + I++; break; + } // Single dash is a short option if (*Opt != '-') @@ -68,7 +77,7 @@ bool CommandLine::Parse(int argc,const char **argv) 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 known."),*Opt,argv[I]); if (HandleOpt(I,argc,argv,Opt,A) == false) return false; @@ -81,19 +90,18 @@ bool CommandLine::Parse(int argc,const char **argv) Opt++; // Match up to a = against the list - const char *OptEnd = Opt; Args *A; - for (; *OptEnd != 0 && *OptEnd != '='; OptEnd++); + const char *OptEnd = strchrnul(Opt, '='); for (A = ArgList; A->end() == false && 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"),argv[I]); Opt++; for (A = ArgList; A->end() == false && @@ -101,22 +109,26 @@ bool CommandLine::Parse(int argc,const char **argv) // 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"),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]); + 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; } @@ -124,7 +136,9 @@ bool CommandLine::Parse(int argc,const char **argv) for (; I != argc; I++) *Files++ = argv[I]; *Files = 0; - + + SaveInConfig(argc, argv); + return true; } /*}}}*/ @@ -134,7 +148,7 @@ bool CommandLine::Parse(int argc,const char **argv) 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; @@ -149,7 +163,7 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[], // Equals was specified but we fell off the end! if (Opt[1] == '=' && Argument == 0) - return _error->Error("Option %s requires an argument.",argv[I]); + return _error->Error(_("Option %s requires an argument."),argv[I]); if (Opt[1] == '=') CertainArg = true; @@ -165,12 +179,12 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[], else Argument = Opt + 1; } - + // Option is an argument set if ((A->Flags & HasArg) == HasArg) { if (Argument == 0) - return _error->Error("Option %s requires an argument.",argv[I]); + return _error->Error(_("Option %s requires an argument."),argv[I]); Opt += strlen(Opt); I += IncI; @@ -178,19 +192,18 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[], if ((A->Flags & ConfigFile) == ConfigFile) return ReadConfigFile(*Conf,Argument); - // Arbitary item specification + // Arbitrary 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 =.",argv[I]); + const char *J = strchr(Argument, '='); + if (J == NULL) + return _error->Error(_("Option %s: Configuration item specification must have an =."),argv[I]); // = is trailing if (J[1] == 0) { if (I+1 >= argc) - return _error->Error("Option %s: Configuration item sepecification must have an =.",argv[I]); + return _error->Error(_("Option %s: Configuration item specification must have an =."),argv[I]); Conf->Set(string(Argument,J-Argument),string(argv[I++ +1])); } else @@ -199,7 +212,12 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[], return true; } - Conf->Set(A->ConfName,Argument); + const char *I = strchrnul(A->ConfName, ' '); + if (*I == ' ') + Conf->Set(string(A->ConfName,0,I-A->ConfName),string(I+1) + Argument); + else + Conf->Set(A->ConfName,string(I) + Argument); + return true; } @@ -214,10 +232,10 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[], // Conversion failed and the argument was specified with an =s if (EndPtr == Argument && CertainArg == true) - return _error->Error("Option %s requires an integer argument, not '%s'",argv[I],Argument); + return _error->Error(_("Option %s requires an integer argument, not '%s'"),argv[I],Argument); // Conversion was ok, set the value and return - if (EndPtr != Argument) + if (EndPtr != 0 && EndPtr != Argument && *EndPtr == 0) { Conf->Set(A->ConfName,Value); Opt += strlen(Opt); @@ -241,14 +259,18 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[], char Buffer[300]; if (Argument == 0) { - if (strlen(argv[I]) >= sizeof(Buffer)) - return _error->Error("Option '%s' is too long",argv[I]); + 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) + + const char *JEnd = strchr(J, '-'); + if (JEnd != NULL) { strncpy(Buffer,J,JEnd - J); Buffer[JEnd - J] = 0; @@ -273,7 +295,7 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[], } if (CertainArg == true) - return _error->Error("Sense %s is not understood, try true or false.",Argument); + return _error->Error(_("Sense %s is not understood, try true or false."),Argument); Argument = 0; } @@ -291,7 +313,7 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[], return true; } /*}}}*/ -// CommandLine::FileSize - Count the number of filenames /*{{{*/ +// CommandLine::FileSize - Count the number of filenames /*{{{*/ // --------------------------------------------------------------------- /* */ unsigned int CommandLine::FileSize() const @@ -302,3 +324,67 @@ unsigned int CommandLine::FileSize() const return Count; } /*}}}*/ +// CommandLine::DispatchArg - Do something with the first arg /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool CommandLine::DispatchArg(Dispatch *Map,bool NoMatch) +{ + 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) + { + if (NoMatch == true) + _error->Error(_("Invalid operation %s"),FileList[0]); + } + + return false; +} + /*}}}*/ +// CommandLine::SaveInConfig - for output later in a logfile or so /*{{{*/ +// --------------------------------------------------------------------- +/* We save the commandline here to have it around later for e.g. logging. + It feels a bit like a hack here and isn't bulletproof, but it is better + than nothing after all. */ +void CommandLine::SaveInConfig(unsigned int const &argc, char const * const * const argv) +{ + char cmdline[100 + argc * 50]; + unsigned int length = 0; + bool lastWasOption = false; + bool closeQuote = false; + for (unsigned int i = 0; i < argc && length < sizeof(cmdline); ++i, ++length) + { + for (unsigned int j = 0; argv[i][j] != '\0' && length < sizeof(cmdline)-1; ++j, ++length) + { + cmdline[length] = argv[i][j]; + if (lastWasOption == true && argv[i][j] == '=') + { + // 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 = strchr(&argv[i][j+1], ' '); + if (c == NULL) continue; + cmdline[++length] = '"'; + closeQuote = true; + } + } + if (closeQuote == true) + cmdline[length++] = '"'; + // Problem: detects also --hello + if (cmdline[length-1] == 'o') + lastWasOption = true; + cmdline[length] = ' '; + } + cmdline[--length] = '\0'; + _config->Set("CommandLine::AsString", cmdline); +} + /*}}}*/