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ba030c0e | 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 purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* | |
17 | $Log$ | |
18 | */ | |
19 | ||
20 | // Authors: David Guez, Ivana Hrivnacova, Marion MacCormick; IPN Orsay | |
21 | // | |
22 | // Class AliMUONSt1Decoder | |
23 | // ----------------------- | |
24 | // A generic set of functions (defined in the <decoder> namespace). | |
25 | // Used to decode formatted strings, eg. a list of integer ranges, | |
26 | // or a list of sub-strings separated by delimiters such as '(','{','[', ... . | |
27 | // Example: | |
28 | // (string 1) (string 2) [string3] {string4} [ (string5.1) (string5.2) ] | |
29 | // note : |_____________________| | |
30 | // | | |
31 | // this is just ONE substring. | |
32 | ||
33 | ||
34 | #include "AliMUONSt1Decoder.h" | |
35 | ||
36 | using namespace std; | |
37 | ||
38 | //_____________________________________________________________________ | |
39 | vector<string> decoder::SplitNtuples(const string& s, | |
40 | const string& leftSep, | |
41 | const string& rightSep) | |
42 | ||
43 | { | |
44 | // separate substrings in <s>, by using the first level of delimiters | |
45 | // given in the argument | |
46 | // Example: | |
47 | // (string 1) (string 2) [string3] {string4} [ (string5.1) (string5.2) ] | |
48 | // returns a list of 5 substrings | |
49 | // "string 1" | |
50 | // "string 2" | |
51 | // "string 3" | |
52 | // "string 4" and | |
53 | // " (string5.1) (string5.2) " | |
54 | // -- | |
55 | vector<string> ans; | |
56 | string::size_type idx = 0; | |
57 | do { | |
58 | idx = s.find_first_of(leftSep,idx); | |
59 | if (idx != string::npos) { | |
60 | string::size_type sepNum = leftSep.find_first_of(s[idx],0); | |
61 | if (sepNum>=rightSep.length()){ | |
62 | idx++; | |
63 | continue; | |
64 | } | |
65 | int count=1; | |
66 | string::size_type idx2 = idx+1; | |
67 | while ((count>0) && (idx2<s.length())){ | |
68 | if (s[idx2] == leftSep[sepNum]) count++; | |
69 | if (s[idx2] == rightSep[sepNum]) count--; | |
70 | idx2++; | |
71 | } | |
72 | if (count != 0) return ans; // bad format...stop here | |
73 | ans.push_back(s.substr(idx+1,idx2-idx-2)); | |
74 | idx=idx2; | |
75 | } | |
76 | } while (idx != string::npos); | |
77 | return ans; | |
78 | } | |
79 | ||
80 | //_____________________________________________________________________ | |
81 | vector<string> decoder::SplitList(const string& s,const string& sep) | |
82 | { | |
83 | // split <s> into several substrings, by using any of the delimters in <sep> | |
84 | // Example : str1 ; str2 , str3 | |
85 | // gives a list of 3 substrings ("str1", "str2" and "str3") if | |
86 | // the delimiter parameter is ",;" | |
87 | // and a list of 2 substrings ("str1","str2,str3") if | |
88 | // the delimiter parameter is ";" | |
89 | // -- | |
90 | vector<string> ans; | |
91 | string::size_type i=0,j; | |
92 | while ((j=s.find_first_of(sep,i))!=string::npos){ | |
93 | ans.push_back(s.substr(i,j-i)); | |
94 | i=j+1; | |
95 | } | |
96 | ans.push_back(s.substr(i,s.length()-i)); | |
97 | return ans; | |
98 | } | |
99 | ||
100 | //_____________________________________________________________________ | |
101 | vector<int> | |
102 | decoder::DecodeListRanges(const string& s,const string& sep,const string& rangeSep) | |
103 | { | |
104 | // decode <s> as a list of integers | |
105 | // Example: 192/199 ; -10/-7 | |
106 | // gives a list of 12 integers: | |
107 | // 192, 193, 194, 195, 196, 197, 198, 199, -10, -9, -8, -7 | |
108 | // -- | |
109 | vector<int> ans; | |
110 | vector< pair <int,int> > rangeList = DecodeListOfIntRanges(s,sep,rangeSep); | |
111 | for (unsigned int i = 0 ;i<rangeList.size();i++){ | |
112 | for (int j=rangeList[i].first;j<=rangeList[i].second;j++){ | |
113 | ans.push_back(j); | |
114 | } | |
115 | } | |
116 | return ans; | |
117 | } | |
118 | ||
119 | //_____________________________________________________________________ | |
120 | vector< pair <int,int> > | |
121 | decoder::DecodeListOfIntRanges(const string& s,const string& sep,const string& rangeSep) | |
122 | { | |
123 | // decodes <s> as a list of int ranges | |
124 | // Example: 192/303 ; -10/-1 | |
125 | // gives a list of two int pairs: | |
126 | // pair(192,303) and another pair (-10,-1) | |
127 | // -- | |
128 | string::size_type i=0; | |
129 | vector< pair <int,int> > ans; | |
130 | if (s.empty()) return ans; | |
131 | ||
132 | vector<string> parts = decoder::SplitList(s,sep); | |
133 | ||
134 | for (unsigned int k=0;k<parts.size();k++){ | |
135 | i=parts[k].find_first_of(rangeSep); | |
136 | int from,to; | |
137 | if (i == string::npos) { | |
138 | from = atoi(parts[k].c_str()); | |
139 | to = from; | |
140 | } else { | |
141 | from=atoi(parts[k].substr(0,i).c_str()); | |
142 | to =atoi(parts[k].substr(i+1,parts[k].length()-i-1).c_str()); | |
143 | } | |
144 | ans.push_back(pair<int,int>(from,to)); | |
145 | } | |
146 | return ans; | |
147 | } | |
148 | ||
149 | //_____________________________________________________________________ | |
150 | vector< pair <double,double> > | |
151 | decoder::DecodeListOfFloatRanges(const string& s,const string& sep,const string& rangeSep) | |
152 | { | |
153 | // decodes <s> as a list of double (floating point) ranges | |
154 | // Example : 192.33/303.26 ; -10.2/-1.41 | |
155 | // gives a list of two double precision floating point (phew!) pairs: | |
156 | // pair (192.33,303.26) and another pair (-10.2,-1.41) | |
157 | // -- | |
158 | string::size_type i=0; | |
159 | vector< pair <double,double> > ans; | |
160 | if (s.empty()) return ans; | |
161 | ||
162 | vector<string> parts = decoder::SplitList(s,sep); | |
163 | ||
164 | for (unsigned int k=0;k<parts.size();k++){ | |
165 | i=parts[k].find_first_of(rangeSep); | |
166 | double from,to; | |
167 | if (i == string::npos) { | |
168 | from = atof(parts[k].c_str()); | |
169 | to = from; | |
170 | } else { | |
171 | from=atof(parts[k].substr(0,i).c_str()); | |
172 | to =atof(parts[k].substr(i+1,parts[k].length()-i-1).c_str()); | |
173 | } | |
174 | ans.push_back(pair<double,double>(from,to)); | |
175 | } | |
176 | return ans; | |
177 | } |