/* * Call either include "includeFile" or "includeLine". * If fin is stdin include one line. Otherwise include the whole file. */ SrcLineList include(FileName fn, FILE *fin, int *plineno, InclIsContinuedFun iscont) { if (fnameIsStdin(fn) && fin) return includeLine(fn, fin, plineno, iscont); else return includeFile(fn); }
void Rules::load(const QString &filename) { qDebug() << "Loading rules from" << filename; // initialize the regexps we will use QRegExp repoLine("create repository\\s+(\\S+)", Qt::CaseInsensitive); QString varRegex("[A-Za-z0-9_]+"); QRegExp matchLine("match\\s+(.*)", Qt::CaseInsensitive); QRegExp matchActionLine("action\\s+(\\w+)", Qt::CaseInsensitive); QRegExp matchRepoLine("repository\\s+(\\S+)", Qt::CaseInsensitive); QRegExp matchDescLine("description\\s+(.+)$", Qt::CaseInsensitive); QRegExp matchRepoSubstLine("substitute repository\\s+(.+)$", Qt::CaseInsensitive); QRegExp matchBranchLine("branch\\s+(\\S+)", Qt::CaseInsensitive); QRegExp matchBranchSubstLine("substitute branch\\s+(.+)$", Qt::CaseInsensitive); QRegExp matchRevLine("(min|max) revision (\\d+)", Qt::CaseInsensitive); QRegExp matchAnnotateLine("annotated\\s+(\\S+)", Qt::CaseInsensitive); QRegExp matchPrefixLine("prefix\\s+(.*)$", Qt::CaseInsensitive); QRegExp declareLine("declare\\s+("+varRegex+")\\s*=\\s*(\\S+)", Qt::CaseInsensitive); QRegExp variableLine("\\$\\{("+varRegex+")(\\|[^}$]*)?\\}", Qt::CaseInsensitive); QRegExp includeLine("include\\s+(.*)", Qt::CaseInsensitive); enum { ReadingNone, ReadingRepository, ReadingMatch } state = ReadingNone; Repository repo; Match match; int lineNumber = 0; QFile file(filename); if (!file.open(QIODevice::ReadOnly)) qFatal("Could not read the rules file: %s", qPrintable(filename)); QTextStream s(&file); QStringList lines = s.readAll().split('\n', QString::KeepEmptyParts); QStringList::iterator it; for(it = lines.begin(); it != lines.end(); ++it) { ++lineNumber; QString origLine = *it; QString line = origLine; int hash = line.indexOf('#'); if (hash != -1) line.truncate(hash); line = line.trimmed(); if (line.isEmpty()) continue; bool isIncludeRule = includeLine.exactMatch(line); if (isIncludeRule) { int index = filename.lastIndexOf("/"); QString includeFile = filename.left( index + 1) + includeLine.cap(1); load(includeFile); } else { while( variableLine.indexIn(line) != -1 ) { QString replacement; if (m_variables.contains(variableLine.cap(1))) { replacement = m_variables[variableLine.cap(1)]; } else { if (variableLine.cap(2).startsWith('|')) { replacement = variableLine.cap(2).mid(1); } else { qFatal("Undeclared variable: %s", qPrintable(variableLine.cap(1))); } } line = line.replace(variableLine.cap(0), replacement); } if (state == ReadingRepository) { if (matchBranchLine.exactMatch(line)) { Repository::Branch branch; branch.name = matchBranchLine.cap(1); repo.branches += branch; continue; } else if (matchDescLine.exactMatch(line)) { repo.description = matchDescLine.cap(1); continue; } else if (matchRepoLine.exactMatch(line)) { repo.forwardTo = matchRepoLine.cap(1); continue; } else if (matchPrefixLine.exactMatch(line)) { repo.prefix = matchPrefixLine.cap(1); continue; } else if (line == "end repository") { if (!repo.forwardTo.isEmpty() && !repo.description.isEmpty()) { qFatal("Specifing repository and description on repository is invalid on line %d", lineNumber); } if (!repo.forwardTo.isEmpty() && !repo.branches.isEmpty()) { qFatal("Specifing repository and branches on repository is invalid on line %d", lineNumber); } m_repositories += repo; { // clear out 'repo' Repository temp; std::swap(repo, temp); } state = ReadingNone; continue; } } else if (state == ReadingMatch) { if (matchRepoLine.exactMatch(line)) { match.repository = matchRepoLine.cap(1); continue; } else if (matchBranchLine.exactMatch(line)) { match.branch = matchBranchLine.cap(1); continue; } else if (matchRepoSubstLine.exactMatch(line)) { Match::Substitution subst = parseSubstitution(matchRepoSubstLine.cap(1)); if (!subst.isValid()) { qFatal("Malformed substitution in rules file: line %d: %s", lineNumber, qPrintable(origLine)); } match.repo_substs += subst; continue; } else if (matchBranchSubstLine.exactMatch(line)) { Match::Substitution subst = parseSubstitution(matchBranchSubstLine.cap(1)); if (!subst.isValid()) { qFatal("Malformed substitution in rules file: line %d: %s", lineNumber, qPrintable(origLine)); } match.branch_substs += subst; continue; } else if (matchRevLine.exactMatch(line)) { if (matchRevLine.cap(1) == "min") match.minRevision = matchRevLine.cap(2).toInt(); else // must be max match.maxRevision = matchRevLine.cap(2).toInt(); continue; } else if (matchPrefixLine.exactMatch(line)) { match.prefix = matchPrefixLine.cap(1); if( match.prefix.startsWith('/')) match.prefix = match.prefix.mid(1); continue; } else if (matchActionLine.exactMatch(line)) { QString action = matchActionLine.cap(1); if (action == "export") match.action = Match::Export; else if (action == "ignore") match.action = Match::Ignore; else if (action == "recurse") match.action = Match::Recurse; else qFatal("Invalid action \"%s\" on line %d", qPrintable(action), lineNumber); continue; } else if (matchAnnotateLine.exactMatch(line)) { match.annotate = matchAnnotateLine.cap(1) == "true"; continue; } else if (line == "end match") { if (!match.repository.isEmpty()) match.action = Match::Export; m_matchRules += match; Stats::instance()->addRule(match); state = ReadingNone; continue; } } bool isRepositoryRule = repoLine.exactMatch(line); bool isMatchRule = matchLine.exactMatch(line); bool isVariableRule = declareLine.exactMatch(line); if (isRepositoryRule) { // repository rule state = ReadingRepository; repo = Repository(); // clear repo.name = repoLine.cap(1); repo.lineNumber = lineNumber; repo.filename = filename; } else if (isMatchRule) { // match rule state = ReadingMatch; match = Match(); match.rx = QRegExp(matchLine.cap(1), Qt::CaseSensitive, QRegExp::RegExp2); if( !match.rx.isValid() ) qFatal("Malformed regular expression '%s' in file:'%s':%d, Error: %s", qPrintable(matchLine.cap(1)), qPrintable(filename), lineNumber, qPrintable(match.rx.errorString())); match.lineNumber = lineNumber; match.filename = filename; } else if (isVariableRule) { QString variable = declareLine.cap(1); QString value = declareLine.cap(2); m_variables.insert(variable, value); } else { qFatal("Malformed line in rules file: line %d: %s", lineNumber, qPrintable(origLine)); } } } }