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1 | < | /* |
1 | > | /* |
2 | * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. | |
3 | * | |
4 | * The University of Notre Dame grants you ("Licensee") a | |
# | Line 39 | Line 39 | |
39 | * such damages. | |
40 | */ | |
41 | #include <algorithm> | |
42 | + | #include <stack> |
43 | #include "io/SectionParserManager.hpp" | |
44 | #include "utils/Trim.hpp" | |
45 | + | #include "utils/simError.h" |
46 | ||
47 | namespace oopse { | |
48 | ||
49 | < | SectionParserManager::~SectionParserManager() { |
49 | > | SectionParserManager::~SectionParserManager() { |
50 | SectionParserManager::iterator i; | |
51 | for (i = sectionParsers_.begin(); i != sectionParsers_.end(); ++i) { | |
52 | < | delete (i->sectionParser); |
52 | > | delete (i->sectionParser); |
53 | } | |
54 | sectionParsers_.clear(); | |
55 | < | } |
55 | > | } |
56 | ||
57 | < | void SectionParserManager::parse(std::istream& input, ForceField& ff) { |
57 | > | void SectionParserManager::parse(std::istream& input, ForceField& ff) { |
58 | ||
59 | //reset active flags | |
60 | SectionParserManager::iterator i; | |
61 | for (i = sectionParsers_.begin(); i != sectionParsers_.end(); ++i) { | |
62 | < | i->isActive = false; |
62 | > | i->isActive = false; |
63 | } | |
64 | ||
65 | const int bufferSize = 65535; | |
66 | char buffer[bufferSize]; | |
67 | int lineNo = 0; | |
68 | + | std::stack<std::string> sectionNameStack; |
69 | //scan through the input stream and find section names | |
70 | while(input.getline(buffer, bufferSize)) { | |
71 | < | ++lineNo; |
71 | > | ++lineNo; |
72 | ||
73 | < | std::string line = trimLeftCopy(buffer); |
74 | < | //a line begins with "//" is comment |
75 | < | if ( line.empty() || (line.size() >= 2 && line[0] == '/' && line[1] == '/')) { |
76 | < | continue; |
77 | < | } else { |
78 | < | StringTokenizer tokenizer(line); |
79 | < | if (tokenizer.countTokens() < 2) { |
80 | < | continue; |
81 | < | } else { |
82 | < | std::string keyword = tokenizer.nextToken(); |
73 | > | std::string line = trimLeftCopy(buffer); |
74 | > | //a line begins with "//" is a comment line |
75 | > | if ( line.empty() || (line.size() >= 2 && line[0] == '/' |
76 | > | && line[1] == '/') ) { |
77 | > | continue; |
78 | > | } else { |
79 | > | StringTokenizer tokenizer(line); |
80 | > | if (tokenizer.countTokens() < 2) { |
81 | > | continue; |
82 | > | } else { |
83 | > | std::string keyword = tokenizer.nextToken(); |
84 | ||
85 | < | if (keyword != "begin") { |
86 | < | continue; |
87 | < | } |
88 | < | |
89 | < | std::string section = tokenizer.nextToken(); |
90 | < | |
91 | < | i = std::find_if(sectionParsers_.begin(), sectionParsers_.end(), SameSectionParserFunctor(section)); |
92 | < | if (i == sectionParsers_.end()){ |
93 | < | //can not find corresponding section parser |
94 | < | std::cerr << "Can not find corresponding section parser for section: " << section << std::endl; |
95 | < | } else { |
96 | < | i->isActive = true; |
97 | < | i->lineNo = lineNo; |
98 | < | i->offset = input.tellg(); |
99 | < | } |
100 | < | |
101 | < | } |
102 | < | } |
103 | < | |
104 | < | |
85 | > | if (keyword == "begin") { |
86 | > | std::string section = tokenizer.nextToken(); |
87 | > | sectionNameStack.push(section); |
88 | > | |
89 | > | i = std::find_if(sectionParsers_.begin(), sectionParsers_.end(), |
90 | > | SameSectionParserFunctor(section)); |
91 | > | if (i == sectionParsers_.end()){ |
92 | > | sprintf(painCave.errMsg, |
93 | > | "SectionParserManager Error: Can not find corresponding " |
94 | > | "section parser for %s\n", |
95 | > | section.c_str()); |
96 | > | painCave.isFatal = 1; |
97 | > | simError(); |
98 | > | } else { |
99 | > | if (i->isActive) { |
100 | > | sprintf(painCave.errMsg, "SectionParserManager Error:find multiple %s " |
101 | > | "section\n", |
102 | > | section.c_str()); |
103 | > | painCave.isFatal = 1; |
104 | > | simError(); |
105 | > | } else { |
106 | > | i->isActive = true; |
107 | > | i->lineNo = lineNo; |
108 | > | i->offset = input.tellg(); |
109 | > | } |
110 | > | } |
111 | > | } else if (keyword == "end") { |
112 | > | std::string section = tokenizer.nextToken(); |
113 | > | if (sectionNameStack.top() == section) { |
114 | > | sectionNameStack.pop(); |
115 | > | } else { |
116 | > | sprintf(painCave.errMsg, "SectionParserManager Error: begin %s and end %s does not match at line %d\n", |
117 | > | sectionNameStack.top().c_str(), section.c_str(), lineNo); |
118 | > | painCave.isFatal = 1; |
119 | > | simError(); |
120 | > | } |
121 | > | |
122 | > | } else { |
123 | > | continue; |
124 | > | } |
125 | > | } |
126 | > | } |
127 | > | |
128 | } | |
129 | < | |
129 | > | |
130 | > | if (!sectionNameStack.empty()) { |
131 | > | sprintf(painCave.errMsg, "SectionParserManager Error: stack is not empty\n"); |
132 | > | painCave.isFatal = 1; |
133 | > | simError(); |
134 | > | } |
135 | > | |
136 | //invoke parser | |
137 | for (i = sectionParsers_.begin(); i != sectionParsers_.end(); ++i) { | |
138 | < | if (i->isActive) { |
139 | < | //C++ standard does not guarantee seekg reset EOF, in that case, seekg will fail |
140 | < | //It is always a good idea to call clear() before seek |
141 | < | input.clear(); |
142 | < | input.seekg(i->offset); |
143 | < | (i->sectionParser)->parse(input, ff, i->lineNo); |
144 | < | } |
138 | > | if (i->isActive) { |
139 | > | //C++ standard does not guarantee seekg reset EOF, in that case, seekg will fail |
140 | > | //It is always a good idea to call clear() before seek |
141 | > | input.clear(); |
142 | > | input.seekg(i->offset); |
143 | > | (i->sectionParser)->parse(input, ff, i->lineNo); |
144 | > | } |
145 | } | |
146 | ||
147 | < | } |
148 | < | |
149 | < | void SectionParserManager::push_front(SectionParser* sp) { |
147 | > | } |
148 | > | |
149 | > | void SectionParserManager::push_front(SectionParser* sp) { |
150 | SectionParserManager::iterator i; | |
151 | i = findSectionParser(sp->getSectionName()); | |
152 | if (i != sectionParsers_.end()) { | |
153 | < | std::cerr << sp->getSectionName() << " section parser is alway existed" << std::endl; |
154 | < | return; |
153 | > | std::cerr << sp->getSectionName() << " section parser is alway existed" |
154 | > | << std::endl; |
155 | > | return; |
156 | } | |
157 | ||
158 | SectionParserContext context; | |
159 | ||
160 | if (sectionParsers_.empty()) { | |
161 | < | context.priority = beginPriority_; |
161 | > | context.priority = beginPriority_; |
162 | } else { | |
163 | < | context.priority = sectionParsers_.front().priority - priorityDifference_; |
163 | > | context.priority = sectionParsers_.front().priority - priorityDifference_; |
164 | } | |
165 | < | |
165 | > | |
166 | context.sectionParser = sp; | |
167 | context.lineNo = 0; | |
168 | context.offset = 0; | |
169 | context.isActive = false; | |
170 | ||
171 | sectionParsers_.push_front(context); | |
172 | < | } |
172 | > | } |
173 | ||
174 | < | void SectionParserManager::push_back(SectionParser* sp) { |
174 | > | void SectionParserManager::push_back(SectionParser* sp) { |
175 | SectionParserManager::iterator i; | |
176 | i = findSectionParser(sp->getSectionName()); | |
177 | if (i != sectionParsers_.end()) { | |
178 | < | std::cerr << sp->getSectionName() << " section parser is alway existed" << std::endl; |
179 | < | return; |
178 | > | std::cerr << sp->getSectionName() << " section parser is alway existed" |
179 | > | << std::endl; |
180 | > | return; |
181 | } | |
182 | ||
183 | SectionParserContext context; | |
184 | if (sectionParsers_.empty()) { | |
185 | < | context.priority = beginPriority_; |
185 | > | context.priority = beginPriority_; |
186 | } else { | |
187 | < | context.priority = sectionParsers_.back().priority + priorityDifference_; |
187 | > | context.priority = sectionParsers_.back().priority + priorityDifference_; |
188 | } | |
189 | ||
190 | context.sectionParser = sp; | |
# | Line 159 | Line 194 | void SectionParserManager::push_back(SectionParser* sp | |
194 | ||
195 | sectionParsers_.push_back(context); | |
196 | ||
197 | < | } |
197 | > | } |
198 | ||
199 | < | void SectionParserManager::insert(SectionParser* sp, int priority) { |
199 | > | void SectionParserManager::insert(SectionParser* sp, int priority) { |
200 | SectionParserManager::iterator i; | |
201 | i = findSectionParser(sp->getSectionName()); | |
202 | if (i != sectionParsers_.end()) { | |
203 | < | std::cerr << sp->getSectionName() << " section parser is alway existed" << std::endl; |
203 | > | std::cerr << sp->getSectionName() << " section parser is already existed" |
204 | > | << std::endl; |
205 | } | |
206 | ||
207 | SectionParserContext context; | |
# | Line 176 | Line 212 | void SectionParserManager::insert(SectionParser* sp, i | |
212 | context.isActive = false; | |
213 | ||
214 | if (sectionParsers_.empty()) { | |
215 | < | sectionParsers_.push_back(context); |
215 | > | sectionParsers_.push_back(context); |
216 | } else { | |
217 | ||
218 | < | for (i = sectionParsers_.begin(); i != sectionParsers_.end(); ++i) { |
219 | < | if (i->priority == priority) { |
220 | < | std::cerr << "Priority " << priority << " already used" << std::endl; |
221 | < | return; |
222 | < | } else if (i->priority > priority) { |
223 | < | sectionParsers_.insert(i, context); |
224 | < | break; |
225 | < | } |
218 | > | for (i = sectionParsers_.begin(); i != sectionParsers_.end(); ++i) { |
219 | > | if (i->priority == priority) { |
220 | > | std::cerr << "Priority " << priority << " already used" << std::endl; |
221 | > | return; |
222 | > | } else if (i->priority > priority) { |
223 | > | sectionParsers_.insert(i, context); |
224 | > | break; |
225 | > | } |
226 | ||
227 | < | } |
227 | > | } |
228 | } | |
229 | ||
230 | < | } |
230 | > | } |
231 | ||
232 | ||
233 | < | SectionParserManager::iterator SectionParserManager::findSectionParser(const std::string& sectionName) { |
233 | > | SectionParserManager::iterator SectionParserManager::findSectionParser(const std::string& sectionName) { |
234 | SectionParserManager::iterator i; | |
235 | for (i = sectionParsers_.begin(); i != sectionParsers_.end(); ++i) { | |
236 | < | if (i->sectionParser->getSectionName() == sectionName) { |
237 | < | break; |
238 | < | } |
236 | > | if (i->sectionParser->getSectionName() == sectionName) { |
237 | > | break; |
238 | > | } |
239 | } | |
240 | ||
241 | return i; | |
242 | < | } |
242 | > | } |
243 | ||
244 | } |
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