From 6e5e3e0e3fc450eaf53feee059824ad85c4f270d Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: ćšć, 06 8æ 2015 22:32:35 +0800
Subject: [PATCH] Resolve #38 Error queue not empty bit
---
libscpi/src/parser.c | 90 +++++++++++++++++++++++++++-----------------
1 files changed, 55 insertions(+), 35 deletions(-)
diff --git a/libscpi/src/parser.c b/libscpi/src/parser.c
index ad7ebc4..dfe84d7 100644
--- a/libscpi/src/parser.c
+++ b/libscpi/src/parser.c
@@ -90,9 +90,25 @@
static size_t writeNewLine(scpi_t * context) {
if (context->output_count > 0) {
size_t len;
- len = writeData(context, "\r\n", 2);
+#ifndef SCPI_LINE_ENDING
+#error no termination character defined
+#endif
+ len = writeData(context, SCPI_LINE_ENDING, strlen(SCPI_LINE_ENDING));
flushData(context);
return len;
+ } else {
+ return 0;
+ }
+}
+
+/**
+ * Conditionaly write ";"
+ * @param context
+ * @return number of characters written
+ */
+static size_t writeSemicolon(scpi_t * context) {
+ if (context->output_count > 0) {
+ return writeData(context, ";", 1);
} else {
return 0;
}
@@ -106,20 +122,19 @@
const scpi_command_t * cmd = context->param_list.cmd;
lex_state_t * state = &context->param_list.lex_state;
+ /* conditionaly write ; */
+ writeSemicolon(context);
+
context->cmd_error = FALSE;
context->output_count = 0;
context->input_count = 0;
- SCPI_DEBUG_COMMAND(context);
/* if callback exists - call command callback */
if (cmd->callback != NULL) {
if ((cmd->callback(context) != SCPI_RES_OK) && !context->cmd_error) {
SCPI_ErrorPush(context, SCPI_ERROR_EXECUTION_ERROR);
}
}
-
- /* conditionaly write new line */
- writeNewLine(context);
/* set error if command callback did not read all parameters */
if (state->pos < (state->buffer + state->len) && !context->cmd_error) {
@@ -138,7 +153,7 @@
for (i = 0; context->cmdlist[i].pattern != NULL; i++) {
cmd = &context->cmdlist[i];
- if (matchCommand(cmd->pattern, header, len)) {
+ if (matchCommand(cmd->pattern, header, len, NULL, 0)) {
context->param_list.cmd = cmd;
return TRUE;
}
@@ -164,6 +179,7 @@
}
state = &context->parser_state;
+ context->output_count = 0;
while (1) {
result = 0;
@@ -202,6 +218,10 @@
}
}
+
+ /* conditionaly write new line */
+ writeNewLine(context);
+
return result;
}
@@ -309,7 +329,7 @@
/**
* Return prefix of nondecimal base
* @param base
- * @return
+ * @return
*/
static const char * getBasePrefix(int8_t base) {
switch (base) {
@@ -325,7 +345,7 @@
* @param context
* @param val
* @param base
- * @return
+ * @return
*/
size_t SCPI_ResultIntBase(scpi_t * context, int32_t val, int8_t base) {
char buffer[33];
@@ -384,7 +404,7 @@
* @param context
* @param data
* @param len
- * @return
+ * @return
*/
size_t SCPI_ResultArbitraryBlock(scpi_t * context, const char * data, size_t len) {
size_t result = 0;
@@ -394,7 +414,7 @@
SCPI_LongToStr(len, block_header + 2, 10, 10);
header_len = strlen(block_header + 2);
- block_header[1] = header_len + '0';
+ block_header[1] = (char)(header_len + '0');
result += writeData(context, block_header, header_len + 2);
result += writeData(context, data, len);
@@ -431,7 +451,7 @@
* @param context
* @param parameter
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_Parameter(scpi_t * context, scpi_parameter_t * parameter, scpi_bool_t mandatory) {
lex_state_t * state;
@@ -489,7 +509,7 @@
* Detect if parameter is number
* @param parameter
* @param suffixAllowed
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamIsNumber(scpi_parameter_t * parameter, scpi_bool_t suffixAllowed) {
switch (parameter->type) {
@@ -510,7 +530,7 @@
* @param context
* @param parameter
* @param value result
- * @return true if succesful
+ * @return TRUE if succesful
*/
scpi_bool_t SCPI_ParamToInt(scpi_t * context, scpi_parameter_t * parameter, int32_t * value) {
@@ -538,7 +558,7 @@
* @param context
* @param parameter
* @param value result
- * @return true if succesful
+ * @return TRUE if succesful
*/
scpi_bool_t SCPI_ParamToDouble(scpi_t * context, scpi_parameter_t * parameter, double * value) {
scpi_bool_t result = FALSE;
@@ -569,7 +589,7 @@
* @param context
* @param value
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamDouble(scpi_t * context, double * value, scpi_bool_t mandatory) {
scpi_bool_t result;
@@ -600,7 +620,7 @@
* @param context
* @param value
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamInt(scpi_t * context, int32_t * value, scpi_bool_t mandatory) {
scpi_bool_t result;
@@ -632,7 +652,7 @@
* @param value
* @param len
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamCharacters(scpi_t * context, const char ** value, size_t * len, scpi_bool_t mandatory) {
scpi_bool_t result;
@@ -660,7 +680,7 @@
* @param value result pointer to data
* @param len result length of data
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamArbitraryBlock(scpi_t * context, const char ** value, size_t * len, scpi_bool_t mandatory) {
scpi_bool_t result;
@@ -730,7 +750,7 @@
* @param parameter - should be PROGRAM_MNEMONIC
* @param options - NULL terminated list of choices
* @param value - index to options
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamToChoice(scpi_t * context, scpi_parameter_t * parameter, const scpi_choice_def_t * options, int32_t * value) {
size_t res;
@@ -743,7 +763,7 @@
if (parameter->type == SCPI_TOKEN_PROGRAM_MNEMONIC) {
for (res = 0; options[res].name; ++res) {
- if (matchPattern(options[res].name, strlen(options[res].name), parameter->ptr, parameter->len)) {
+ if (matchPattern(options[res].name, strlen(options[res].name), parameter->ptr, parameter->len, NULL)) {
*value = options[res].tag;
result = TRUE;
break;
@@ -765,7 +785,7 @@
* @param options specifications of choices numbers (patterns)
* @param tag numerical representatio of choice
* @param text result text
- * @return true if succesfule, else false
+ * @return TRUE if succesfule, else FALSE
*/
scpi_bool_t SCPI_ChoiceToName(const scpi_choice_def_t * options, int32_t tag, const char ** text) {
int i;
@@ -785,7 +805,7 @@
* @param context
* @param value
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamBool(scpi_t * context, scpi_bool_t * value, scpi_bool_t mandatory) {
scpi_bool_t result;
@@ -826,7 +846,7 @@
* @param options
* @param value
* @param mandatory
- * @return
+ * @return
*/
scpi_bool_t SCPI_ParamChoice(scpi_t * context, const scpi_choice_def_t * options, int32_t * value, scpi_bool_t mandatory) {
scpi_bool_t result;
@@ -849,7 +869,7 @@
* Parse one parameter and detect type
* @param state
* @param token
- * @return
+ * @return
*/
int scpiParser_parseProgramData(lex_state_t * state, scpi_token_t * token) {
scpi_token_t tmp;
@@ -888,7 +908,7 @@
* @param state
* @param token
* @param numberOfParameters
- * @return
+ * @return
*/
int scpiParser_parseAllProgramData(lex_state_t * state, scpi_token_t * token, int * numberOfParameters) {
@@ -938,7 +958,7 @@
* @param state
* @param buffer
* @param len
- * @return
+ * @return
*/
int scpiParser_detectProgramMessageUnit(scpi_parser_state_t * state, char * buffer, int len) {
lex_state_t lex_state;
@@ -991,15 +1011,17 @@
* - suitable for one handle to multiple commands
* @param context
* @param cmd
- * @return
+ * @return
*/
scpi_bool_t SCPI_IsCmd(scpi_t * context, const char * cmd) {
+ const char * pattern;
+
if (!context->param_list.cmd) {
return FALSE;
}
- const char * pattern = context->param_list.cmd->pattern;
- return matchCommand(pattern, cmd, strlen(cmd));
+ pattern = context->param_list.cmd->pattern;
+ return matchCommand (pattern, cmd, strlen (cmd), NULL, 0);
}
/**
@@ -1016,11 +1038,9 @@
}
scpi_bool_t SCPI_Match(const char * pattern, const char * value, size_t len) {
- return matchCommand (pattern, value, len);
+ return matchCommand (pattern, value, len, NULL, 0);
}
-
-
-
-
-
+scpi_bool_t SCPI_CommandNumbers(scpi_t * context, int32_t * numbers, size_t len) {
+ return matchCommand (context->param_list.cmd->pattern, context->param_list.cmd_raw.data, context->param_list.cmd_raw.length, numbers, len);
+}
--
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