// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: apt-sortpkgs.cc,v 1.2 2001/02/20 07:03:17 jgg Exp $
+// $Id: apt-sortpkgs.cc,v 1.5 2003/01/11 07:18:44 jgg Exp $
/* ######################################################################
APT Sort Packages - Program to sort Package and Source files
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
+#include <config.h>
+
#include <apt-pkg/tagfile.h>
#include <apt-pkg/error.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/cmndline.h>
#include <apt-pkg/init.h>
#include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/pkgsystem.h>
+
+#include <apt-private/private-cmndline.h>
+#include <apt-private/private-main.h>
-#include <config.h>
-#include <apti18n.h>
-
#include <vector>
#include <algorithm>
+#include <stdio.h>
+#include <iostream>
+#include <string>
+#include <memory>
-#include <unistd.h>
+#include <apti18n.h>
/*}}}*/
-struct PkgName
+using namespace std;
+
+struct PkgName /*{{{*/
{
string Name;
string Ver;
bool operator >(const PkgName &x) const {return Compare3(x) > 0;};
bool operator ==(const PkgName &x) const {return Compare3(x) == 0;};
};
-
+ /*}}}*/
// DoIt - Sort a single file /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool DoIt(string InFile)
+static bool DoIt(string InFile)
{
FileFd Fd(InFile,FileFd::ReadOnly);
pkgTagFile Tags(&Fd);
const char **Order = TFRewritePackageOrder;
if (Source == true)
Order = TFRewriteSourceOrder;
-
+
// Emit
- unsigned char *Buffer = new unsigned char[Largest+1];
- for (vector<PkgName>::iterator I = List.begin(); I != List.end(); I++)
+ FileFd stdoutfd;
+ stdoutfd.OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly, false);
+ auto const Buffer = std::unique_ptr<unsigned char[]>(new unsigned char[Largest+1]);
+ for (vector<PkgName>::iterator I = List.begin(); I != List.end(); ++I)
{
// Read in the Record.
- if (Fd.Seek(I->Offset) == false || Fd.Read(Buffer,I->Length) == false)
- {
- delete [] Buffer;
+ if (Fd.Seek(I->Offset) == false || Fd.Read(Buffer.get(),I->Length) == false)
return false;
- }
-
- Buffer[I->Length] = '\n';
- if (Section.Scan((char *)Buffer,I->Length+1) == false)
- {
- delete [] Buffer;
+
+ Buffer[I->Length] = '\n';
+ if (Section.Scan((char *)Buffer.get(),I->Length+1) == false)
return _error->Error("Internal error, failed to scan buffer");
- }
// Sort the section
- if (TFRewrite(stdout,Section,Order,0) == false)
- {
- delete [] Buffer;
+ if (Section.Write(stdoutfd, Order) == false || stdoutfd.Write("\n", 1) == false)
return _error->Error("Internal error, failed to sort fields");
- }
-
- fputc('\n',stdout);
}
-
- delete [] Buffer;
return true;
}
/*}}}*/
-// ShowHelp - Show the help text /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-int ShowHelp()
+static bool ShowHelp(CommandLine &) /*{{{*/
{
- ioprintf(cout,_("%s %s for %s %s compiled on %s %s\n"),PACKAGE,VERSION,
- COMMON_OS,COMMON_CPU,__DATE__,__TIME__);
- if (_config->FindB("version") == true)
- return 0;
-
- cout <<
+ std::cout <<
_("Usage: apt-sortpkgs [options] file1 [file2 ...]\n"
"\n"
- "apt-sortpkgs is a simple tool to sort package files. The -s option is used\n"
- "to indicate what kind of file it is.\n"
- "\n"
- "Options:\n"
- " -h This help text\n"
- " -s Use source file sorting\n"
- " -c=? Read this configuration file\n"
- " -o=? Set an arbitary configuration option, eg -o dir::cache=/tmp\n");
-
- return 0;
+ "apt-sortpkgs is a simple tool to sort package information files.\n"
+ "By default it sorts by binary package information, but the -s option\n"
+ "can be used to switch to source package ordering instead.\n");
+ return true;
}
/*}}}*/
-
-int main(unsigned int argc,const char *argv[])
+static std::vector<aptDispatchWithHelp> GetCommands() /*{{{*/
{
- CommandLine::Args Args[] = {
- {'h',"help","help",0},
- {'v',"version","version",0},
- {'s',"source","APT::SortPkgs::Source",0},
- {'c',"config-file",0,CommandLine::ConfigFile},
- {'o',"option",0,CommandLine::ArbItem},
- {0,0,0,0}};
-
- // Parse the command line and initialize the package library
- CommandLine CmdL(Args,_config);
- if (pkgInitConfig(*_config) == false ||
- CmdL.Parse(argc,argv) == false ||
- pkgInitSystem(*_config,_system) == false)
- {
- _error->DumpErrors();
- return 100;
- }
-
- // See if the help should be shown
- if (_config->FindB("help") == true ||
- CmdL.FileSize() == 0)
- return ShowHelp();
+ return {
+ {nullptr, nullptr, nullptr}
+ };
+}
+ /*}}}*/
+int main(int argc,const char *argv[]) /*{{{*/
+{
+ CommandLine CmdL;
+ ParseCommandLine(CmdL, APT_CMD::APT_SORTPKG, &_config, &_system, argc, argv, &ShowHelp, &GetCommands);
// Match the operation
for (unsigned int I = 0; I != CmdL.FileSize(); I++)
if (DoIt(CmdL.FileList[I]) == false)
break;
-
- // Print any errors or warnings found during parsing
- if (_error->empty() == false)
- {
- bool Errors = _error->PendingError();
- _error->DumpErrors();
- return Errors == true?100:0;
- }
-
- return 0;
+
+ return DispatchCommandLine(CmdL, {});
}
+ /*}}}*/
projects / apt.git / blobdiff