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File: [Pegasus] / pegasus / src / Pegasus / WQL / WQLParser.cpp
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Revision: 1.9, Wed Aug 28 23:27:52 2002 UTC (21 years, 10 months ago) by kumpf Branch: MAIN CVS Tags: mday-merge-start, mday-merge-pegasus/src/Pegasus/Server, mday-merge-pegasus/src/Pegasus/Common, mday-2-0-patches, VERSION_2_1_RELEASE_HEAD, VERSION_2_1_RELEASE_BRANCH, VERSION_2_1_RELEASE, VERSION_2_1_1_RELEASE, RELEASE_2_2_1-snapshot, RELEASE_2_2_0_0-release, RELEASE_2_2_0-root, RELEASE_2_2_0-branch, RELEASE_2_2-root, PEGASUS_FC_VERSION_2_2, LOCAL_ASSOCPROV-ROOT, LOCAL_ASSOCPROV-BRANCH Branch point for: pep_88 Changes since 1.8: +1 -3 lines HP-RK API Review: Change String::allocateCString() to getCString(). |
//%///////////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM, // The Open Group, Tivoli Systems // // 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. // //============================================================================== // // Author: Mike Brasher (mbrasher@bmc.com) // // Modified By: // //%///////////////////////////////////////////////////////////////////////////// #include <Pegasus/Common/Config.h> #include <Pegasus/Common/InternalException.h> #include <Pegasus/Common/Destroyer.h> #include <Pegasus/Common/Tracer.h> #include <Pegasus/Common/PegasusVersion.h> #include <iostream> #include "WQLParser.h" #include "WQLParserState.h" PEGASUS_USING_STD; extern int WQL_parse(); PEGASUS_NAMESPACE_BEGIN WQLParserState* globalParserState = 0; void WQLParser::parse( const char* text, WQLSelectStatement& statement) { PEG_METHOD_ENTER(TRC_WQL,"WQLParser::parse"); if (!text) { PEG_METHOD_EXIT(); throw NullPointer(); } statement.clear(); globalParserState = new WQLParserState; globalParserState->error = false; globalParserState->text = text; globalParserState->textSize = strlen(text) + 1; globalParserState->offset = 0; globalParserState->statement = &statement; WQL_parse(); if (globalParserState->error) { String errorMessage = globalParserState->errorMessage; cleanup(); delete globalParserState; PEG_METHOD_EXIT(); throw ParseError(errorMessage); } cleanup(); delete globalParserState; PEG_METHOD_EXIT(); } void WQLParser::parse( const Array<Sint8>& text, WQLSelectStatement& statement) { PEG_METHOD_ENTER(TRC_WQL,"WQLParser::parse"); if (text.size() == 0 || text[text.size() - 1] != '\0') { PEG_METHOD_EXIT(); throw MissingNullTerminator(); } parse(text.getData(), statement); PEG_METHOD_EXIT(); } void WQLParser::parse( const String& text, WQLSelectStatement& statement) { PEG_METHOD_ENTER(TRC_WQL,"WQLParser::parse"); parse(text.getCString(), statement); PEG_METHOD_EXIT(); } void WQLParser::cleanup() { PEG_METHOD_ENTER(TRC_WQL,"WQLParser::cleanup"); Array<char*>& arr = globalParserState->outstandingStrings; for (Uint32 i = 0, n = arr.size(); i < n; i++) delete [] arr[i]; arr.clear(); PEG_METHOD_EXIT(); } PEGASUS_NAMESPACE_END PEGASUS_USING_PEGASUS; int WQL_error(const char* errorMessage) { PEG_METHOD_ENTER(TRC_WQL,"WQL_error"); globalParserState->error = true; globalParserState->errorMessage = errorMessage; PEG_METHOD_EXIT(); return -1; } int WQLInput(char* buffer, int& numRead, int numRequested) { PEG_METHOD_ENTER(TRC_WQL,"WQLInput"); // // Be sure to account for the null terminator (the size of the text will // be one or more; this is fixed checked beforehand by WQLParser::parse()). // int remaining = globalParserState->textSize - globalParserState->offset - 1; if (remaining == 0) { numRead = 0; PEG_METHOD_EXIT(); return 0; } if (remaining < numRequested) numRequested = remaining; memcpy(buffer, globalParserState->text + globalParserState->offset, numRequested); globalParserState->offset += numRequested; numRead = numRequested; PEG_METHOD_EXIT(); return numRead; }
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