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dee1d5f1 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpeateose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | // $Id$ | |
13985652 | 17 | // $MpId: AliMpHelper.cxx,v 1.5 2006/05/24 13:58:50 ivana Exp $ |
dee1d5f1 | 18 | |
19 | #include "AliMpHelper.h" | |
20 | ||
dee1d5f1 | 21 | #include "TArrayI.h" |
dee1d5f1 | 22 | #include "TObjArray.h" |
23 | #include "TObjString.h" | |
24 | #include "TString.h" | |
25 | ||
85fec35d | 26 | /// |
27 | /// \class AliMpHelper | |
28 | /// | |
29 | /// Helper class used to parse mapping files for St345 slats. | |
30 | /// | |
31 | /// \author L. Aphecetche | |
32 | ||
13985652 | 33 | /// \cond CLASSIMP |
dee1d5f1 | 34 | ClassImp(AliMpHelper) |
13985652 | 35 | /// \endcond |
dee1d5f1 | 36 | |
37 | //_____________________________________________________________________________ | |
38 | AliMpHelper::AliMpHelper() : TObject() | |
39 | { | |
40 | // | |
41 | // Default (empty) ctor. | |
42 | // | |
43 | } | |
44 | ||
45 | //_____________________________________________________________________________ | |
46 | AliMpHelper::~AliMpHelper() | |
47 | { | |
48 | // | |
49 | // Dtor. | |
50 | // | |
51 | } | |
52 | ||
53 | //_____________________________________________________________________________ | |
54 | void AliMpHelper::DecodeName(const char* name, char sep, TArrayI& theList) | |
55 | { | |
56 | // | |
57 | // From a string of the form "i-j;k;l;m-n" returns an integer array | |
58 | // containing all the integers from i to j, then k, l and then from m to | |
59 | // n. | |
60 | // | |
61 | theList.Set(0); | |
62 | ||
63 | TString str(name); | |
64 | ||
65 | if ( str.Length() == 0 ) | |
66 | { | |
67 | // protection against empty input string. | |
68 | return; | |
69 | } | |
70 | ||
71 | // Get substrings separated by 'sep' | |
72 | TObjArray* ranges = str.Tokenize(sep); | |
73 | ||
74 | // Finally takes each substring (which ought to be a range of the form | |
75 | // x-y), and decode it into the theList integer vector. | |
76 | for ( Int_t i = 0; i < ranges->GetEntriesFast(); ++i ) | |
77 | { | |
78 | int m1; | |
79 | int m2; | |
80 | int n; | |
81 | int incr; | |
82 | TString& s = ((TObjString*)ranges->At(i))->String(); | |
83 | GetRange(s.Data(),m1,m2,incr,n); | |
84 | int m = m1; | |
85 | while ( n > 0 ) | |
86 | { | |
87 | theList.Set(theList.GetSize()+1); | |
88 | theList[theList.GetSize()-1] = m; | |
89 | m += incr; | |
90 | --n; | |
91 | } | |
92 | } | |
93 | ||
94 | delete ranges; | |
95 | } | |
96 | ||
97 | //_____________________________________________________________________________ | |
98 | void | |
99 | AliMpHelper::GetRange(const char* cstr, Int_t& begin, Int_t& end, | |
100 | Int_t& incr, Int_t& n) | |
101 | { | |
102 | // | |
103 | // From a string of the form "m-n" returns a range (begin,end), | |
104 | // its ordering (incr=+-1) and its size (abs(begin-end)+1) | |
105 | // | |
106 | TString str(cstr); | |
107 | ||
108 | incr = 1; | |
109 | Ssiz_t pos = str.First('-'); | |
110 | if ( pos < 0 ) | |
111 | { | |
112 | begin = str.Atoi(); | |
113 | end = -1; | |
114 | n = 1; | |
115 | } | |
116 | else | |
117 | { | |
118 | begin = str.Atoi(); | |
119 | end = TString(str(pos+1,str.Length()-pos)).Atoi(); | |
120 | if ( begin > end ) | |
121 | { | |
122 | incr = -1; | |
123 | n = begin-end+1; | |
124 | } | |
125 | else | |
126 | { | |
127 | n = end-begin+1; | |
128 | } | |
129 | } | |
130 | } | |
131 | ||
132 | //_____________________________________________________________________________ | |
133 | TString AliMpHelper::Normalize(const char* line) | |
134 | { | |
135 | // | |
136 | // Remove multiple blanks, and blanks in the begining/end. | |
137 | // | |
138 | TString rv(line); | |
139 | ||
140 | if ( rv.Length() <= 0 ) return TString(); | |
141 | ||
142 | while ( rv[0] == ' ' ) | |
143 | { | |
144 | rv.Remove(0,1); | |
145 | } | |
146 | while ( rv[rv.Length()-1] == ' ' ) | |
147 | { | |
148 | rv.Remove(rv.Length()-1,1); | |
149 | } | |
150 | Ssiz_t i(0); | |
151 | bool kill = false; | |
152 | for ( i = 0; i < rv.Length(); ++i ) | |
153 | { | |
154 | if ( rv[i] == ' ' ) | |
155 | { | |
156 | if (kill) | |
157 | { | |
158 | rv.Remove(i,1); | |
159 | --i; | |
160 | } | |
161 | else | |
162 | { | |
163 | kill = true; | |
164 | } | |
165 | } | |
166 | else | |
167 | { | |
168 | kill = false; | |
169 | } | |
170 | } | |
171 | return rv; | |
172 | } |