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File: [Pegasus] / pegasus / src / Pegasus / Repository / AssocInstTable.cpp
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Revision: 1.26, Wed Feb 4 04:48:35 2009 UTC (15 years, 5 months ago) by venkat.puvvada Branch: MAIN CVS Tags: preBug9676, postBug9676, TASK_PEP317_1JUNE_2013, TASK-TASK_PEP362_RestfulService_branch-root, TASK-TASK_PEP362_RestfulService_branch-merged_out_from_trunk, TASK-TASK_PEP362_RestfulService_branch-merged_in_to_trunk, TASK-TASK_PEP362_RestfulService_branch-merged_in_from_branch, TASK-TASK_PEP362_RestfulService_branch-branch, TASK-PEP362_RestfulService-root, TASK-PEP362_RestfulService-merged_out_to_branch, TASK-PEP362_RestfulService-merged_out_from_trunk, TASK-PEP362_RestfulService-merged_in_to_trunk, TASK-PEP362_RestfulService-merged_in_from_branch, TASK-PEP362_RestfulService-branch, TASK-PEP348_SCMO-root, TASK-PEP348_SCMO-merged_out_to_branch, TASK-PEP348_SCMO-merged_out_from_trunk, TASK-PEP348_SCMO-merged_in_to_trunk, TASK-PEP348_SCMO-merged_in_from_branch, TASK-PEP348_SCMO-branch, TASK-PEP317_pullop-root, TASK-PEP317_pullop-merged_out_to_branch, TASK-PEP317_pullop-merged_out_from_trunk, TASK-PEP317_pullop-merged_in_to_trunk, TASK-PEP317_pullop-merged_in_from_branch, TASK-PEP317_pullop-branch, RELEASE_2_14_1, RELEASE_2_14_0-RC2, RELEASE_2_14_0-RC1, RELEASE_2_14_0, RELEASE_2_14-root, RELEASE_2_14-branch, RELEASE_2_13_0-RC2, RELEASE_2_13_0-RC1, RELEASE_2_13_0-FC, RELEASE_2_13_0, RELEASE_2_13-root, RELEASE_2_13-branch, RELEASE_2_12_1-RC1, RELEASE_2_12_1, RELEASE_2_12_0-RC1, RELEASE_2_12_0-FC, RELEASE_2_12_0, RELEASE_2_12-root, RELEASE_2_12-branch, RELEASE_2_11_2-RC1, RELEASE_2_11_2, RELEASE_2_11_1-RC1, RELEASE_2_11_1, RELEASE_2_11_0-RC1, RELEASE_2_11_0-FC, RELEASE_2_11_0, RELEASE_2_11-root, RELEASE_2_11-branch, RELEASE_2_10_1-RC1, RELEASE_2_10_1, RELEASE_2_10_0-RC2, RELEASE_2_10_0-RC1, RELEASE_2_10_0, RELEASE_2_10-root, RELEASE_2_10-branch, PREAUG25UPDATE, POSTAUG25UPDATE, HEAD, CIMRS_WORK_20130824, BeforeUpdateToHeadOct82011 Changes since 1.25: +16 -4 lines BUG#: 8375 TITLE: Empty namespace can not be deleted because of empty associations file DESCRIPTION: Delete empty associations file in classes and instances directory |
//%LICENSE//////////////////////////////////////////////////////////////// // // Licensed to The Open Group (TOG) under one or more contributor license // agreements. Refer to the OpenPegasusNOTICE.txt file distributed with // this work for additional information regarding copyright ownership. // Each contributor licenses this file to you under the OpenPegasus Open // Source License; you may not use this file except in compliance with the // License. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // ////////////////////////////////////////////////////////////////////////// // //%///////////////////////////////////////////////////////////////////////////// #include <Pegasus/Common/Config.h> #include <fstream> #include <Pegasus/Common/InternalException.h> #include <Pegasus/Common/FileSystem.h> #include <Pegasus/Common/Exception.h> #include "AssocInstTable.h" PEGASUS_USING_STD; PEGASUS_NAMESPACE_BEGIN #define ASSOC_INSTANCE_NAME_INDEX 0 #define ASSOC_CLASS_NAME_INDEX 1 #define FROM_OBJECT_NAME_INDEX 2 #define FROM_CLASS_NAME_INDEX 3 #define FROM_PROPERTY_NAME_INDEX 4 #define TO_OBJECT_NAME_INDEX 5 #define TO_CLASS_NAME_INDEX 6 #define TO_PROPERTY_NAME_INDEX 7 #define NUM_FIELDS 8 static inline Boolean _MatchNoCase(const String& x, const String& pattern) { return pattern.size() == 0 || String::equalNoCase(x, pattern); } static inline Boolean _ContainsClass( const Array<CIMName>& classNames, const String& match) { Uint32 n = classNames.size(); for (Uint32 i = 0; i < n; i++) { if (_MatchNoCase(classNames[i].getString(), match)) return true; } return false; } static String _Escape(const String& str) { String result; for (Uint32 i = 0, n = str.size(); i < n; i++) { Char16 c = str[i]; switch (c) { case '\n': result.append("\\n"); break; case '\r': result.append("\\r"); break; case '\t': result.append("\\t"); break; case '\f': result.append("\\f"); break; case '\\': result.append("\\\\"); break; default: result.append(c); } } return result; } static String _Unescape(const String& str) { String result; for (Uint32 i = 0, n = str.size(); i < n; i++) { Char16 c = str[i]; if (c == '\\') { if (i + 1 == n) break; c = str[i + 1]; switch (c) { case 'n': result.append("\n"); break; case 'r': result.append("\r"); break; case 't': result.append("\t"); break; case 'f': result.append("\f"); break; default: result.append(c); } i++; } else result.append(c); } return result; } static Boolean _GetRecord(ifstream& is, Array<String>& fields) { fields.clear(); String line; for (Uint32 i = 0; i < NUM_FIELDS; i++) { if (!GetLine(is, line)) return false; fields.append(_Unescape(line)); } // Skip the blank line: if (!GetLine(is, line)) return false; return true; } static void _PutRecord(ofstream& os, Array<String>& fields) { for (Uint32 i = 0, n = fields.size(); i < n; i++) { // Calling getCString to ensure utf-8 goes to the file // Calling write to ensure no data conversion by the stream CString buffer = _Escape(fields[i]).getCString(); os.write((const char *)buffer, static_cast<streamsize>(strlen((const char *)buffer))); os << endl; } os << endl; } void AssocInstTable::append( PEGASUS_STD(ofstream)& os, const String& assocInstanceName, const CIMName& assocClassName, const String& fromInstanceName, const CIMName& fromClassName, const CIMName& fromPropertyName, const String& toInstanceName, const CIMName& toClassName, const CIMName& toPropertyName) { Array<String> fields; fields.reserveCapacity(8); fields.append(assocInstanceName); fields.append(assocClassName.getString()); fields.append(fromInstanceName); fields.append(fromClassName.getString()); fields.append(fromPropertyName.getString()); fields.append(toInstanceName); fields.append(toClassName.getString()); fields.append(toPropertyName.getString()); _PutRecord(os, fields); } void AssocInstTable::append( const String& path, const String& assocInstanceName, const CIMName& assocClassName, const String& fromInstanceName, const CIMName& fromClassName, const CIMName& fromPropertyName, const String& toInstanceName, const CIMName& toClassName, const CIMName& toPropertyName) { // Open input file: ofstream os; if (!OpenAppend(os, path)) throw CannotOpenFile(path); // Insert the entry: Array<String> fields; fields.reserveCapacity(8); fields.append(assocInstanceName); fields.append(assocClassName.getString()); fields.append(fromInstanceName); fields.append(fromClassName.getString()); fields.append(fromPropertyName.getString()); fields.append(toInstanceName); fields.append(toClassName.getString()); fields.append(toPropertyName.getString()); _PutRecord(os, fields); } Boolean AssocInstTable::deleteAssociation( const String& path, const CIMObjectPath& assocInstanceName) { // Open input file: ifstream is; if (!FileSystem::exists(path)) { return false; } if (!Open(is, path)) { throw CannotOpenFile(path); } // Open output file: String tmpPath = path + ".tmp"; ofstream os; if (!Open(os, tmpPath)) throw CannotOpenFile(tmpPath); // Copy over all lines except ones with the given association instance name: Array<String> fields; Boolean found = false; while (_GetRecord(is, fields)) { if (assocInstanceName != fields[ASSOC_INSTANCE_NAME_INDEX]) { _PutRecord(os, fields); found = true; } } // Close both files: is.close(); os.close(); // Rename back to original if tmp file is not empty Uint32 size = 0; Boolean gotFileSize = FileSystem::getFileSize(tmpPath, size); if (size || !gotFileSize) { if (!FileSystem::renameFile(tmpPath, path)) { throw CannotRenameFile(path); } } else { // Delete both tmp and original files FileSystem::removeFile(tmpPath); FileSystem::removeFile(path); } return found; } Boolean AssocInstTable::getAssociatorNames( const String& path, const CIMObjectPath& instanceName, const Array<CIMName>& assocClassList, const Array<CIMName>& resultClassList, const String& role, const String& resultRole, Array<String>& associatorNames) { // Open input file: ifstream is; if (!FileSystem::exists(path)) { return false; } if (!Open(is, path)) { throw CannotOpenFile(path); } Array<String> fields; Boolean found = false; // For each line in the associations table: while (_GetRecord(is, fields)) { // Process associations from the right end object and with right roles if (instanceName == fields[FROM_OBJECT_NAME_INDEX] && _MatchNoCase(fields[FROM_PROPERTY_NAME_INDEX], role) && _MatchNoCase(fields[TO_PROPERTY_NAME_INDEX], resultRole)) { // Skip classes that do not appear in the association class list if ((assocClassList.size() != 0) && (!_ContainsClass(assocClassList, fields[ASSOC_CLASS_NAME_INDEX]))) { continue; } // Skip classes that do not appear in the result class list if ((resultClassList.size() != 0) && (!_ContainsClass(resultClassList, fields[TO_CLASS_NAME_INDEX]))) { continue; } // This class qualifies; add it to the list (skipping duplicates) if (!Contains(associatorNames, fields[TO_OBJECT_NAME_INDEX])) { associatorNames.append(fields[TO_OBJECT_NAME_INDEX]); } found = true; } } return found; } Boolean AssocInstTable::getReferenceNames( const String& path, const CIMObjectPath& instanceName, const Array<CIMName>& resultClassList, const String& role, Array<String>& referenceNames) { // Open input file: ifstream is; if (!FileSystem::exists(path)) { return false; } if (!Open(is, path)) { throw CannotOpenFile(path); } Array<String> fields; Boolean found = false; // For each line in the associations table: while (_GetRecord(is, fields)) { // Process associations from the right end class and with right role if (instanceName == fields[FROM_OBJECT_NAME_INDEX] && _MatchNoCase(fields[FROM_PROPERTY_NAME_INDEX], role)) { // Skip classes that do not appear in the result class list if ((resultClassList.size() != 0) && (!_ContainsClass(resultClassList, fields[ASSOC_CLASS_NAME_INDEX]))) { continue; } // This instance qualifies; add it to the list (skipping duplicates) if (!Contains(referenceNames, fields[ASSOC_INSTANCE_NAME_INDEX])) { referenceNames.append(fields[ASSOC_INSTANCE_NAME_INDEX]); } found = true; } } return found; } PEGASUS_NAMESPACE_END
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