| 1 | #include <errno.h>
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| 2 | #include <fstream>
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| 3 |
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| 4 | #include <TRegexp.h>
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| 5 |
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| 6 | #include "MArgs.h"
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| 7 |
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| 8 | #include "MLog.h"
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| 9 | #include "MLogManip.h"
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| 10 |
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| 11 | using namespace std;
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| 12 |
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| 13 | static void Usage()
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| 14 | {
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| 15 | gLog << endl;
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| 16 | gLog << "Sorry the usage is:" << endl;
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| 17 | gLog << " showlog [options] filename" << endl;
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| 18 | gLog << " or" << endl;
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| 19 | gLog << " showlog [options] < filename" << endl << endl;
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| 20 | gLog.Usage();
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| 21 | gLog << " -?, -h, --help This help" << endl << endl;
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| 22 | gLog << endl;
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| 23 | gLog << " This program converts colored output made with ansi codes" << endl;
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| 24 | gLog << " (like it is done by MLog) and redirected into a file back" << endl;
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| 25 | gLog << " into colored output." << endl << endl;
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| 26 | gLog << " It cannot be used to get rid of the Ansi codes. To display" << endl;
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| 27 | gLog << " colored output with less use the option -R, eg." << endl;
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| 28 | gLog << " less -R logfile.log" << endl << endl;
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| 29 | }
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| 30 |
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| 31 | void RemoveAnsi(TString &s)
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| 32 | {
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| 33 | static const TRegexp regexp("[][[][0-9]+[m]");
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| 34 |
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| 35 | int i=0;
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| 36 |
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| 37 | while (1)
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| 38 | {
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| 39 | Ssiz_t len = 0;
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| 40 | Ssiz_t idx = s.Index(regexp, &len);
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| 41 | if (idx<0)
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| 42 | break;
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| 43 |
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| 44 | s.Remove(idx, len);
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| 45 | }
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| 46 | }
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| 47 |
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| 48 | // FIXME: Enhance this tool with a converter to HTMl, etc.
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| 49 | // Add option for 'no-colors'
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| 50 | int main(int argc, char **argv)
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| 51 | {
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| 52 | MArgs arg(argc, argv);
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| 53 |
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| 54 | if (arg.HasOnly("-?") || arg.HasOnly("-h") || arg.HasOnly("--help"))
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| 55 | {
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| 56 | Usage();
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| 57 | return -1;
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| 58 | }
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| 59 |
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| 60 | const Bool_t kNoColors = arg.HasOnly("--no-colors") || arg.HasOnly("-a");
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| 61 |
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| 62 | gLog.Setup(arg);
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| 63 |
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| 64 | if (arg.GetNumOptions()>0)
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| 65 | {
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| 66 | gLog << warn << "WARNING - Unknown commandline options..." << endl;
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| 67 | arg.Print("options");
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| 68 | gLog << endl;
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| 69 | }
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| 70 |
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| 71 | //
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| 72 | // check for the right usage of the program
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| 73 | //
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| 74 | if (arg.GetNumArguments()>1)
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| 75 | {
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| 76 | Usage();
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| 77 | return -1;
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| 78 | }
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| 79 |
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| 80 | // casts necessary for gcc 2.95.3
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| 81 | istream *in = arg.GetNumArguments()==1 ? (istream*)new ifstream(arg.GetArgumentStr(0)) : (istream*)&cin;
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| 82 | if (!*in)
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| 83 | {
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| 84 | gLog << "Cannot open file " << arg.GetArgumentStr(0) << ": " << strerror(errno) << endl;
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| 85 | return -1;
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| 86 | }
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| 87 |
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| 88 | TString s;
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| 89 | while (1)
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| 90 | {
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| 91 | s.ReadLine(*in);
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| 92 | if (!*in)
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| 93 | break;
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| 94 |
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| 95 | if (kNoColors)
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| 96 | RemoveAnsi(s);
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| 97 | else
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| 98 | s.ReplaceAll("", "\033");
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| 99 | gLog << s << endl;
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| 100 | }
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| 101 |
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| 102 | if (in!=&cin)
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| 103 | delete in;
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| 104 |
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| 105 | return 0;
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| 106 | }
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