| 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 | 
| 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; | 
| 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; | 
| 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 |  | } |