| /*---------------------------------------------------------------------------* |
| * SR_ExpressionEvaluator.h * |
| * * |
| * Copyright 2007, 2008 Nuance Communciations, Inc. * |
| * * |
| * Licensed under the Apache License, Version 2.0 (the 'License'); * |
| * you may not use this file except in compliance with the License. * |
| * * |
| * You may obtain a copy of the License at * |
| * http://www.apache.org/licenses/LICENSE-2.0 * |
| * * |
| * Unless required by applicable law or agreed to in writing, software * |
| * distributed under the License is distributed on an 'AS IS' BASIS, * |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * |
| * See the License for the specific language governing permissions and * |
| * limitations under the License. * |
| * * |
| *---------------------------------------------------------------------------*/ |
| |
| #ifndef __SR_EXPRESSION_EVALUATOR_H |
| #define __SR_EXPRESSION_EVALUATOR_H |
| |
| |
| |
| #include "SR_SemprocPrefix.h" |
| #include "SR_SemprocDefinitions.h" |
| |
| #include "ESR_ReturnCode.h" |
| |
| #include "ptypes.h" |
| #include "pmemory.h" |
| #include "pstdio.h" |
| |
| |
| /** |
| * Stub for the Expression Evaluator. |
| * In the future this may be replaced by an actual data structure. |
| */ |
| typedef void ExpressionEvaluator; |
| |
| /** |
| * Create and Initialize. |
| * |
| * @param self pointer to the newly created expression evaluator |
| */ |
| SREC_SEMPROC_API ESR_ReturnCode EE_Init(ExpressionEvaluator** self); |
| |
| /** |
| * Free memory. |
| * |
| * @param self pointer to the expression evaluator to destroy |
| * |
| */ |
| SREC_SEMPROC_API ESR_ReturnCode EE_Free(ExpressionEvaluator* self); |
| |
| /** |
| * Built-in function to concatenate strings. |
| * |
| * @param data user data reference used in callback function |
| * @param operands array of strings holding operands to concatenate |
| * @param opCount number of operands |
| * @param resultBuf pointer to string buffer where result will be stored |
| * @param resultLen the length of the result |
| * |
| */ |
| SREC_SEMPROC_API ESR_ReturnCode EE_concat(LCHAR* name, LCHAR** operands, size_t opCount, void* data, LCHAR* resultBuf, size_t* resultLen); |
| |
| /** |
| * Built-in function to support conditional expressions (with 3 operands only!!!) |
| * @param data user data reference used in callback function |
| * @param operands first op is the condition, second is the true val, third is the false val |
| * @param opCount number of operands |
| * @param resultBuf pointer to string buffer where result will be stored |
| * @param resultLen the length of the result |
| */ |
| SREC_SEMPROC_API ESR_ReturnCode EE_conditional(LCHAR* name, LCHAR** operands, size_t opCount, void* data, LCHAR* resultBuf, size_t* resultLen); |
| |
| /** |
| * Built-in function to support string value addition |
| * @param data user data reference used in callback function |
| * @param operands strings to interpret as integers and then add together |
| * @param opCount number of operands |
| * @param resultBuf pointer to string buffer where result will be stored |
| * @param resultLen the length of the result |
| */ |
| SREC_SEMPROC_API ESR_ReturnCode EE_add(LCHAR* name, LCHAR** operands, size_t opCount, void* data, LCHAR* resultBuf, size_t* resultLen); |
| |
| /** |
| * Built-in function to support string value substraction |
| * @param data user data reference used in callback function |
| * @param operands strings to interpret as integers and then subtract from the first operand |
| * @param opCount number of operands |
| * @param resultBuf pointer to string buffer where result will be stored |
| * @param resultLen the length of the result |
| */ |
| SREC_SEMPROC_API ESR_ReturnCode EE_subtract(LCHAR* name, LCHAR** operands, size_t opCount, void* data, LCHAR* resultBuf, size_t* resultLen); |
| |
| #endif /* __EXPRESSION_EVALUATOR_H */ |