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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 | $Log$ | |
5f91c9e8 | 18 | Revision 1.1 2003/01/28 13:21:06 morsch |
19 | Improved response simulation for station 1. | |
20 | (M. Mac Cormick, I. Hrivnacova, D. Guez) | |
21 | ||
ba030c0e | 22 | */ |
23 | ||
24 | // Authors: David Guez, Ivana Hrivnacova, Marion MacCormick; IPN Orsay | |
25 | // | |
26 | // Class AliMUONIniReader | |
27 | // ---------------------- | |
28 | // General class to read data in ASCII file format, | |
29 | // similar to the Windows ".ini" files (a set of sections tagged by a | |
30 | // [ sectionName ] | |
31 | // and values defined in the way: | |
32 | // parameterName = value | |
33 | // | |
34 | // comment lines can be introduced if the first non-blank character | |
35 | // is either ';' or '#' | |
36 | ||
5f91c9e8 | 37 | #if !defined(__HP_aCC) && !defined(__alpha) |
38 | #include <sstream> | |
39 | #endif | |
ba030c0e | 40 | |
5f91c9e8 | 41 | #include <Riostream.h> |
42 | #include <Rstrstream.h> | |
ba030c0e | 43 | |
5f91c9e8 | 44 | #include "AliMUONSt1IniReader.h" |
ba030c0e | 45 | |
46 | //______________________________________________________________________ | |
47 | AliMUONSt1IniReader::AliMUONSt1IniReader() | |
48 | :fFile(),fCurrentType(kUndef),fEndOfFile(true) | |
49 | { | |
50 | // default constructor | |
51 | // --- | |
52 | } | |
53 | ||
54 | //______________________________________________________________________ | |
55 | AliMUONSt1IniReader::AliMUONSt1IniReader(string fileName) | |
56 | { | |
57 | // normal constructor | |
58 | // --- | |
59 | ||
60 | fFile.open(fileName.c_str()); | |
61 | if (!fFile) {cerr<<"Unable to open file "<<fileName<<endl;} | |
62 | fEndOfFile = !fFile.good(); | |
63 | fCurrentType=kUndef; | |
64 | } | |
65 | ||
66 | //______________________________________________________________________ | |
67 | AliMUONSt1IniReader::~AliMUONSt1IniReader() | |
68 | { | |
69 | //destructor | |
70 | fFile.close(); | |
71 | } | |
72 | ||
73 | //______________________________________________________________________ | |
74 | void AliMUONSt1IniReader::Reset() | |
75 | { | |
76 | // Reset the input stream. The file can be re-read after calling this function | |
77 | // --- | |
78 | ||
79 | fFile.clear(); | |
80 | fFile.seekg(0,ios::beg); | |
81 | fCurrentType=kUndef; | |
82 | fEndOfFile=!fFile.good(); | |
83 | } | |
84 | ||
85 | //______________________________________________________________________ | |
86 | bool AliMUONSt1IniReader::ReadNextLine() | |
87 | { | |
88 | // The main function of this class. | |
89 | // Read next line in the file and set CurrentType(), CurrentName() and | |
90 | // CurrentValue() with the line's content | |
91 | // --- | |
92 | ||
93 | if ( (!fFile) || (fFile.eof()) || (!fFile.good()) ) | |
94 | {fEndOfFile=true; fCurrentType=kUndef; return false;} | |
95 | ||
96 | string line; | |
97 | getline(fFile,line); | |
98 | if ( line.empty()) { // this is a blank line | |
99 | return ReadNextLine(); | |
100 | } | |
5f91c9e8 | 101 | #if defined (__HP_aCC) || (__alpha) |
102 | strstream l; | |
103 | l << line; | |
104 | #else | |
ba030c0e | 105 | istringstream l(line); |
5f91c9e8 | 106 | #endif |
ba030c0e | 107 | |
108 | char c; | |
109 | ||
110 | l>>c; | |
111 | if ( (c==';') || (c=='#') ) { // this is a comment | |
112 | return ReadNextLine(); | |
113 | } | |
114 | ||
115 | if (c=='[') { // this is a chapter name | |
116 | getline(l,fCurrentName,']'); | |
117 | fCurrentName=trail(fCurrentName); | |
118 | fCurrentType=kChapter; | |
119 | return true; | |
120 | } else { | |
121 | if (line.find_first_of("=") != string::npos ) { | |
122 | l.putback(c); | |
123 | getline(l,fCurrentName,'='); | |
124 | fCurrentName = trail(fCurrentName); | |
125 | ||
126 | getline(l,fCurrentValue); | |
127 | fCurrentValue = trail(fCurrentValue); | |
128 | fCurrentType=kValue; | |
129 | return true; | |
130 | } else { | |
131 | cerr<<"Warning, badly formated line..."<<line<<endl; | |
132 | fCurrentType=kUndef; | |
133 | return false; | |
134 | } | |
135 | } | |
5f91c9e8 | 136 | // fCurrentType=kUndef; |
137 | // return false; | |
138 | // unreachable | |
ba030c0e | 139 | } |
140 | ||
141 | //______________________________________________________________________ | |
142 | AliMUONSt1IniReader::TValueList AliMUONSt1IniReader::MakeCurrentValueList() | |
143 | { | |
144 | // Read the next lines in the file | |
145 | // until eof() or a new section is found. | |
146 | // Return the list of (name,value) pairs read. | |
147 | // --- | |
148 | ||
149 | TValueList ans; | |
150 | while (true){ | |
151 | if (fCurrentType==kValue){ | |
152 | ans.push_back( TValuePair(fCurrentName,fCurrentValue)); | |
153 | } else break; | |
154 | ReadNextLine(); | |
155 | } | |
156 | return ans; | |
157 | } | |
158 | ||
159 | //______________________________________________________________________ | |
160 | AliMUONSt1IniReader::TChapter AliMUONSt1IniReader::MakeCurrentChapter() | |
161 | { | |
162 | // Searches in the rest file for a new section | |
163 | // and return it's name and the list of (name,value) pairs in it | |
164 | // --- | |
165 | ||
166 | while ((!Eof()) && (fCurrentType != kChapter)) ReadNextLine(); | |
167 | if (Eof()) return TChapter(); | |
168 | string name = fCurrentName; | |
169 | ReadNextLine(); | |
170 | return TChapter(name,MakeCurrentValueList()); | |
171 | } | |
172 | ||
173 | //______________________________________________________________________ | |
174 | AliMUONSt1IniReader::TChapterList AliMUONSt1IniReader::MakeChapterList() | |
175 | { | |
176 | // Read the rest of the file and return all the chapter names and | |
177 | // (name,value) pair lists found after the current position | |
178 | // --- | |
179 | ||
180 | TChapterList ans; | |
181 | while (true) { | |
182 | if (fCurrentType==kChapter) { | |
183 | string s= fCurrentName; | |
184 | ReadNextLine(); | |
5f91c9e8 | 185 | //ans.insert(TChapter(s,MakeCurrentValueList())); |
186 | // does not compile on SunOS | |
187 | ans.insert(TChapterList::value_type(s,MakeCurrentValueList())); | |
ba030c0e | 188 | } else ReadNextLine(); |
189 | if (fEndOfFile) break; | |
190 | } | |
191 | return ans; | |
192 | } | |
193 | ||
194 | //______________________________________________________________________ | |
195 | string AliMUONSt1IniReader::trail(const string& s) const | |
196 | { | |
197 | // Utility function: clear the blanks before and after the string <s> | |
198 | // --- | |
199 | ||
200 | string::size_type p1=s.find_first_not_of(" "); | |
201 | if (p1==string::npos) return ""; | |
202 | string::size_type p2=s.find_last_not_of(" "); | |
203 | return s.substr(p1,p2-p1+1); | |
204 | } |