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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" | |
315c1275 | 25 | #include "TMap.h" |
dee1d5f1 | 26 | |
85fec35d | 27 | /// |
28 | /// \class AliMpHelper | |
29 | /// | |
30 | /// Helper class used to parse mapping files for St345 slats. | |
31 | /// | |
32 | /// \author L. Aphecetche | |
33 | ||
13985652 | 34 | /// \cond CLASSIMP |
dee1d5f1 | 35 | ClassImp(AliMpHelper) |
13985652 | 36 | /// \endcond |
dee1d5f1 | 37 | |
38 | //_____________________________________________________________________________ | |
39 | AliMpHelper::AliMpHelper() : TObject() | |
40 | { | |
f5671fc3 | 41 | /// |
42 | /// Default (empty) ctor. | |
43 | /// | |
dee1d5f1 | 44 | } |
45 | ||
46 | //_____________________________________________________________________________ | |
47 | AliMpHelper::~AliMpHelper() | |
48 | { | |
f5671fc3 | 49 | /// |
50 | /// Dtor. | |
51 | /// | |
dee1d5f1 | 52 | } |
53 | ||
315c1275 | 54 | //_____________________________________________________________________________ |
55 | TMap* | |
56 | AliMpHelper::Decode(const TString& s) | |
57 | { | |
58 | /// \todo add comment | |
59 | ||
60 | TString ss(s); | |
61 | ss.ToUpper(); | |
62 | ||
63 | TMap* m = new TMap; | |
64 | m->SetOwner(true); | |
65 | ||
66 | TObjArray* a = ss.Tokenize(";"); | |
67 | TIter next(a); | |
68 | TObjString* o; | |
69 | ||
70 | while ( ( o = static_cast<TObjString*>(next()) ) ) | |
71 | { | |
72 | TString& os(o->String()); | |
73 | TObjArray* b = os.Tokenize("="); | |
74 | if (b->GetEntries()==2) | |
75 | { | |
76 | m->Add(b->At(0),b->At(1)); | |
77 | } | |
78 | } | |
79 | return m; | |
80 | } | |
81 | ||
82 | //_____________________________________________________________________________ | |
83 | Bool_t | |
84 | AliMpHelper::Decode(const TMap& m, const TString& key, TString& value) | |
85 | { | |
86 | /// \todo add comment | |
87 | ||
88 | TString skey(key); | |
89 | skey.ToUpper(); | |
90 | value = ""; | |
91 | TPair* p = static_cast<TPair*>(m.FindObject(skey)); | |
92 | if (p) | |
93 | { | |
94 | value = (static_cast<TObjString*>(p->Value()))->String(); | |
95 | return kTRUE; | |
96 | } | |
97 | return kFALSE; | |
98 | } | |
99 | ||
dee1d5f1 | 100 | //_____________________________________________________________________________ |
101 | void AliMpHelper::DecodeName(const char* name, char sep, TArrayI& theList) | |
102 | { | |
f5671fc3 | 103 | /// |
104 | /// From a string of the form "i-j;k;l;m-n" returns an integer array | |
105 | /// containing all the integers from i to j, then k, l and then from m to | |
106 | /// n. | |
107 | /// | |
dee1d5f1 | 108 | theList.Set(0); |
109 | ||
110 | TString str(name); | |
111 | ||
112 | if ( str.Length() == 0 ) | |
113 | { | |
114 | // protection against empty input string. | |
115 | return; | |
116 | } | |
117 | ||
118 | // Get substrings separated by 'sep' | |
119 | TObjArray* ranges = str.Tokenize(sep); | |
120 | ||
121 | // Finally takes each substring (which ought to be a range of the form | |
122 | // x-y), and decode it into the theList integer vector. | |
123 | for ( Int_t i = 0; i < ranges->GetEntriesFast(); ++i ) | |
124 | { | |
125 | int m1; | |
126 | int m2; | |
127 | int n; | |
128 | int incr; | |
129 | TString& s = ((TObjString*)ranges->At(i))->String(); | |
130 | GetRange(s.Data(),m1,m2,incr,n); | |
131 | int m = m1; | |
132 | while ( n > 0 ) | |
133 | { | |
134 | theList.Set(theList.GetSize()+1); | |
135 | theList[theList.GetSize()-1] = m; | |
136 | m += incr; | |
137 | --n; | |
138 | } | |
139 | } | |
140 | ||
141 | delete ranges; | |
142 | } | |
143 | ||
144 | //_____________________________________________________________________________ | |
145 | void | |
146 | AliMpHelper::GetRange(const char* cstr, Int_t& begin, Int_t& end, | |
147 | Int_t& incr, Int_t& n) | |
148 | { | |
f5671fc3 | 149 | /// |
150 | /// From a string of the form "m-n" returns a range (begin,end), | |
151 | /// its ordering (incr=+-1) and its size (abs(begin-end)+1) | |
152 | /// | |
dee1d5f1 | 153 | TString str(cstr); |
154 | ||
155 | incr = 1; | |
156 | Ssiz_t pos = str.First('-'); | |
157 | if ( pos < 0 ) | |
158 | { | |
159 | begin = str.Atoi(); | |
160 | end = -1; | |
161 | n = 1; | |
162 | } | |
163 | else | |
164 | { | |
165 | begin = str.Atoi(); | |
166 | end = TString(str(pos+1,str.Length()-pos)).Atoi(); | |
167 | if ( begin > end ) | |
168 | { | |
169 | incr = -1; | |
170 | n = begin-end+1; | |
171 | } | |
172 | else | |
173 | { | |
174 | n = end-begin+1; | |
175 | } | |
176 | } | |
177 | } | |
178 | ||
179 | //_____________________________________________________________________________ | |
180 | TString AliMpHelper::Normalize(const char* line) | |
181 | { | |
f5671fc3 | 182 | /// |
183 | /// Remove multiple blanks, and blanks in the begining/end. | |
184 | /// | |
dee1d5f1 | 185 | TString rv(line); |
186 | ||
187 | if ( rv.Length() <= 0 ) return TString(); | |
188 | ||
189 | while ( rv[0] == ' ' ) | |
190 | { | |
191 | rv.Remove(0,1); | |
192 | } | |
193 | while ( rv[rv.Length()-1] == ' ' ) | |
194 | { | |
195 | rv.Remove(rv.Length()-1,1); | |
196 | } | |
197 | Ssiz_t i(0); | |
198 | bool kill = false; | |
199 | for ( i = 0; i < rv.Length(); ++i ) | |
200 | { | |
201 | if ( rv[i] == ' ' ) | |
202 | { | |
203 | if (kill) | |
204 | { | |
205 | rv.Remove(i,1); | |
206 | --i; | |
207 | } | |
208 | else | |
209 | { | |
210 | kill = true; | |
211 | } | |
212 | } | |
213 | else | |
214 | { | |
215 | kill = false; | |
216 | } | |
217 | } | |
218 | return rv; | |
219 | } |