From 007889b4128e8656c55ba31404a698e98719c262 Mon Sep 17 00:00:00 2001 From: Jan Breuer <jan.breuer@mobatime.cz> Date: 周六, 14 7月 2018 01:57:31 +0800 Subject: [PATCH] Fix license wordings to correspond with BSD-2-Clause --- libscpi/src/parser.c | 298 +++++++++++++++++++++++++++++++++++++++++++++++++---------- 1 files changed, 246 insertions(+), 52 deletions(-) diff --git a/libscpi/src/parser.c b/libscpi/src/parser.c index 0552420..0e85599 100644 --- a/libscpi/src/parser.c +++ b/libscpi/src/parser.c @@ -1,28 +1,29 @@ /*- - * Copyright (c) 2012-2013 Jan Breuer, + * BSD 2-Clause License * - * All Rights Reserved + * Copyright (c) 2012-2018, Jan Breuer + * All rights reserved. * * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. + * modification, are permitted provided that the following conditions are met: * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN - * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @@ -219,7 +220,11 @@ result &= processCommand(context); cmd_prev = state->programHeader; } else { - SCPI_ErrorPush(context, SCPI_ERROR_UNDEFINED_HEADER); + /* place undefined header with error */ + /* calculate length of errornouse header and trim \r\n */ + size_t r2 = r; + while (r2 > 0 && (data[r2 - 1] == '\r' || data[r2 - 1] == '\n')) r2--; + SCPI_ErrorPushEx(context, SCPI_ERROR_UNDEFINED_HEADER, data, r2); result = FALSE; } } @@ -242,27 +247,53 @@ /** * Initialize SCPI context structure * @param context - * @param command_list - * @param buffer + * @param commands * @param interface + * @param units + * @param idn1 + * @param idn2 + * @param idn3 + * @param idn4 + * @param input_buffer + * @param input_buffer_length + * @param error_queue_data + * @param error_queue_size */ -void SCPI_Init(scpi_t * context) { - if (context->idn[0] == NULL) { - context->idn[0] = SCPI_DEFAULT_1_MANUFACTURE; - } - if (context->idn[1] == NULL) { - context->idn[1] = SCPI_DEFAULT_2_MODEL; - } - if (context->idn[2] == NULL) { - context->idn[2] = SCPI_DEFAULT_3; - } - if (context->idn[3] == NULL) { - context->idn[3] = SCPI_DEFAULT_4_REVISION; - } - +void SCPI_Init(scpi_t * context, + const scpi_command_t * commands, + scpi_interface_t * interface, + const scpi_unit_def_t * units, + const char * idn1, const char * idn2, const char * idn3, const char * idn4, + char * input_buffer, size_t input_buffer_length, + scpi_error_t * error_queue_data, int16_t error_queue_size) { + memset(context, 0, sizeof (*context)); + context->cmdlist = commands; + context->interface = interface; + context->units = units; + context->idn[0] = idn1; + context->idn[1] = idn2; + context->idn[2] = idn3; + context->idn[3] = idn4; + context->buffer.data = input_buffer; + context->buffer.length = input_buffer_length; context->buffer.position = 0; - SCPI_ErrorInit(context); + SCPI_ErrorInit(context, error_queue_data, error_queue_size); } + +#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION && !USE_MEMORY_ALLOCATION_FREE + +/** + * Initialize context's + * @param context + * @param data + * @param len + * @return + */ +void SCPI_InitHeap(scpi_t * context, + char * error_info_heap, size_t error_info_heap_length) { + scpiheap_init(&context->error_info_heap, error_info_heap, error_info_heap_length); +} +#endif /** * Interface to the application. Adds data to system buffer and try to search @@ -498,6 +529,76 @@ } /** + * SCPI-99:21.8 Device-dependent error information. + * Write error information with the following syntax: + * <Error/event_number>,"<Error/event_description>[;<Device-dependent_info>]" + * The maximum string length of <Error/event_description> plus <Device-dependent_info> + * is SCPI_STD_ERROR_DESC_MAX_STRING_LENGTH (255) characters. + * + * @param context + * @param error + * @return + */ +size_t SCPI_ResultError(scpi_t * context, scpi_error_t * error) { + size_t result = 0; + size_t outputlimit = SCPI_STD_ERROR_DESC_MAX_STRING_LENGTH; + size_t step = 0; + const char * quote; + + const char * data[SCPIDEFINE_DESCRIPTION_MAX_PARTS]; + size_t len[SCPIDEFINE_DESCRIPTION_MAX_PARTS]; + size_t i; + + data[0] = SCPI_ErrorTranslate(error->error_code); + len[0] = strlen(data[0]); + +#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION + data[1] = error->device_dependent_info; +#if USE_MEMORY_ALLOCATION_FREE + len[1] = error->device_dependent_info ? strlen(data[1]) : 0; +#else + SCPIDEFINE_get_parts(&context->error_info_heap, data[1], &len[1], &data[2], &len[2]); +#endif +#endif + + result += SCPI_ResultInt32(context, error->error_code); + result += writeDelimiter(context); + result += writeData(context, "\"", 1); + + for (i = 0; (i < SCPIDEFINE_DESCRIPTION_MAX_PARTS) && data[i] && outputlimit; i++) { + if (i == 1) { + result += writeSemicolon(context); + outputlimit -= 1; + } + if (len[i] > outputlimit) { + len[i] = outputlimit; + } + + while ((quote = strnpbrk(data[i], len[i], "\""))) { + if ((step = quote - data[i] + 1) >= outputlimit) { + len[i] -= 1; + outputlimit -= 1; + break; + } + result += writeData(context, data[i], step); + result += writeData(context, "\"", 1); + len[i] -= step; + outputlimit -= step + 1; + data[i] = quote + 1; + if (len[i] > outputlimit) { + len[i] = outputlimit; + } + } + + result += writeData(context, data[i], len[i]); + outputlimit -= len[i]; + } + result += writeData(context, "\"", 1); + + return result; +} + +/** * Write arbitrary block header with length * @param context * @param len @@ -599,7 +700,7 @@ if (mandatory) { SCPI_ErrorPush(context, SCPI_ERROR_MISSING_PARAMETER); } else { - parameter->type = SCPI_TOKEN_PROGRAM_MNEMONIC; // TODO: select something different + parameter->type = SCPI_TOKEN_PROGRAM_MNEMONIC; /* TODO: select something different */ } return FALSE; } @@ -1034,7 +1135,7 @@ break; } - // TODO: return also parameter type (ProgramMnemonic, ArbitraryBlockProgramData, SingleQuoteProgramData, DoubleQuoteProgramData + /* TODO: return also parameter type (ProgramMnemonic, ArbitraryBlockProgramData, SingleQuoteProgramData, DoubleQuoteProgramData */ } return result; @@ -1170,6 +1271,15 @@ return FALSE; } +/* + * Definition of BOOL choice list + */ +const scpi_choice_def_t scpi_bool_def[] = { + {"OFF", 0}, + {"ON", 1}, + SCPI_CHOICE_LIST_END /* termination of option list */ +}; + /** * Read BOOL parameter (0,1,ON,OFF) * @param context @@ -1181,12 +1291,6 @@ scpi_bool_t result; scpi_parameter_t param; int32_t intval; - - scpi_choice_def_t bool_options[] = { - {"OFF", 0}, - {"ON", 1}, - SCPI_CHOICE_LIST_END /* termination of option list */ - }; if (!value) { SCPI_ErrorPush(context, SCPI_ERROR_SYSTEM_ERROR); @@ -1200,7 +1304,7 @@ SCPI_ParamToInt32(context, ¶m, &intval); *value = intval ? TRUE : FALSE; } else { - result = SCPI_ParamToChoice(context, ¶m, bool_options, &intval); + result = SCPI_ParamToChoice(context, ¶m, scpi_bool_def, &intval); if (result) { *value = intval ? TRUE : FALSE; } @@ -1446,7 +1550,7 @@ * @param format * @return */ -static size_t parserResultArrayBinary(scpi_t * context, const void * array, size_t count, size_t item_size, scpi_array_format_t format) { +static size_t produceResultArrayBinary(scpi_t * context, const void * array, size_t count, size_t item_size, scpi_array_format_t format) { if (SCPI_GetNativeFormat() == format) { switch (item_size) { @@ -1468,6 +1572,7 @@ case 4: case 8: result += SCPI_ResultArbitraryBlockHeader(context, count * item_size); + break; default: SCPI_ErrorPush(context, SCPI_ERROR_SYSTEM_ERROR); return 0; @@ -1509,11 +1614,8 @@ for (i = 0; i < count; i++) {\ result += func(context, array[i]);\ }\ - if (count > 0) {\ - result += count - 1; /* add length of commas */\ - }\ } else {\ - result = parserResultArrayBinary(context, array, count, sizeof(*array), format);\ + result = produceResultArrayBinary(context, array, count, sizeof(*array), format);\ }\ return result;\ } while(0) @@ -1637,3 +1739,95 @@ size_t SCPI_ResultArrayDouble(scpi_t * context, const double * array, size_t count, scpi_array_format_t format) { RESULT_ARRAY(SCPI_ResultDouble); } + +/* + * Template macro to generate all SCPI_ParamArrayXYZ function + */ +#define PARAM_ARRAY_TEMPLATE(func) do{\ + if (format != SCPI_FORMAT_ASCII) return FALSE;\ + for (*o_count = 0; *o_count < i_count; (*o_count)++) {\ + if (!func(context, &data[*o_count], mandatory)) {\ + break;\ + }\ + mandatory = FALSE;\ + }\ + return mandatory ? FALSE : TRUE;\ +}while(0) + +/** + * Read list of values up to i_count + * @param context + * @param data - array to fill + * @param i_count - number of elements of data + * @param o_count - real number of filled elements + * @param mandatory + * @return TRUE on success + */ +scpi_bool_t SCPI_ParamArrayInt32(scpi_t * context, int32_t *data, size_t i_count, size_t *o_count, scpi_array_format_t format, scpi_bool_t mandatory) { + PARAM_ARRAY_TEMPLATE(SCPI_ParamInt32); +} + +/** + * Read list of values up to i_count + * @param context + * @param data - array to fill + * @param i_count - number of elements of data + * @param o_count - real number of filled elements + * @param mandatory + * @return TRUE on success + */ +scpi_bool_t SCPI_ParamArrayUInt32(scpi_t * context, uint32_t *data, size_t i_count, size_t *o_count, scpi_array_format_t format, scpi_bool_t mandatory) { + PARAM_ARRAY_TEMPLATE(SCPI_ParamUInt32); +} + +/** + * Read list of values up to i_count + * @param context + * @param data - array to fill + * @param i_count - number of elements of data + * @param o_count - real number of filled elements + * @param mandatory + * @return TRUE on success + */ +scpi_bool_t SCPI_ParamArrayInt64(scpi_t * context, int64_t *data, size_t i_count, size_t *o_count, scpi_array_format_t format, scpi_bool_t mandatory) { + PARAM_ARRAY_TEMPLATE(SCPI_ParamInt64); +} + +/** + * Read list of values up to i_count + * @param context + * @param data - array to fill + * @param i_count - number of elements of data + * @param o_count - real number of filled elements + * @param mandatory + * @return TRUE on success + */ +scpi_bool_t SCPI_ParamArrayUInt64(scpi_t * context, uint64_t *data, size_t i_count, size_t *o_count, scpi_array_format_t format, scpi_bool_t mandatory) { + PARAM_ARRAY_TEMPLATE(SCPI_ParamUInt64); +} + +/** + * Read list of values up to i_count + * @param context + * @param data - array to fill + * @param i_count - number of elements of data + * @param o_count - real number of filled elements + * @param mandatory + * @return TRUE on success + */ +scpi_bool_t SCPI_ParamArrayFloat(scpi_t * context, float *data, size_t i_count, size_t *o_count, scpi_array_format_t format, scpi_bool_t mandatory) { + PARAM_ARRAY_TEMPLATE(SCPI_ParamFloat); +} + +/** + * Read list of values up to i_count + * @param context + * @param data - array to fill + * @param i_count - number of elements of data + * @param o_count - real number of filled elements + * @param mandatory + * @return TRUE on success + */ +scpi_bool_t SCPI_ParamArrayDouble(scpi_t * context, double *data, size_t i_count, size_t *o_count, scpi_array_format_t format, scpi_bool_t mandatory) { + PARAM_ARRAY_TEMPLATE(SCPI_ParamDouble); +} -- Gitblit v1.9.1