From 6bc097eba30c30c45bd7c89d97991428b53660dc Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周三, 24 9月 2014 22:50:27 +0800
Subject: [PATCH] Update units.c - add support for INFinity

---
 libscpi/src/units.c |   41 +++++++++++++++++++----------------------
 1 files changed, 19 insertions(+), 22 deletions(-)

diff --git a/libscpi/src/units.c b/libscpi/src/units.c
index 3583ef5..615147c 100644
--- a/libscpi/src/units.c
+++ b/libscpi/src/units.c
@@ -37,9 +37,9 @@
 #include <string.h>
 #include "scpi/parser.h"
 #include "scpi/units.h"
-#include "utils.h"
+#include "utils_private.h"
 #include "scpi/error.h"
-#include "scpi/lexer.h"
+#include "lexer_private.h"
 
 
 /*
@@ -110,7 +110,7 @@
     {/* name */ "UP", /* type */ SCPI_NUM_UP},
     {/* name */ "DOWN", /* type */ SCPI_NUM_DOWN},
     {/* name */ "NAN", /* type */ SCPI_NUM_NAN},
-    {/* name */ "INF", /* type */ SCPI_NUM_INF},
+    {/* name */ "INFinity", /* type */ SCPI_NUM_INF},
     {/* name */ "NINF", /* type */ SCPI_NUM_NINF},
     SCPI_SPECIAL_NUMBERS_LIST_END,
 };
@@ -123,7 +123,7 @@
  * @param value resultin value
  * @return TRUE if str matches one of specs patterns
  */
-static bool_t translateSpecialNumber(const scpi_special_number_def_t * specs, const char * str, size_t len, scpi_number_parameter_t * value) {
+static scpi_bool_t translateSpecialNumber(const scpi_special_number_def_t * specs, const char * str, size_t len, scpi_number_parameter_t * value) {
     int i;
 
     value->value = 0.0;
@@ -219,7 +219,7 @@
  * @param value preparsed numeric value
  * @return TRUE if value parameter was converted to base units
  */
-static bool_t transformNumber(scpi_t * context, const char * unit, size_t len, scpi_number_parameter_t * value) {
+static scpi_bool_t transformNumber(scpi_t * context, const char * unit, size_t len, scpi_number_parameter_t * value) {
     size_t s;
     const scpi_unit_def_t * unitDef;
     s = skipWhitespace(unit, len);
@@ -249,7 +249,7 @@
  * @param mandatory if the parameter is mandatory
  * @return 
  */
-bool_t SCPI_ParamTranslateNumberVal(scpi_t * context, scpi_parameter_t * parameter) {
+scpi_bool_t SCPI_ParamTranslateNumberVal(scpi_t * context, scpi_parameter_t * parameter) {
     token_t token;
     lex_state_t state;
 
@@ -257,25 +257,22 @@
     state.pos = state.buffer;
     state.len = parameter->data.len;
 
-    if (parameter->type == TokDecimalNumericProgramDataWithSuffix) {
-        SCPI_LexDecimalNumericProgramData(&state, &token);
-        SCPI_LexWhiteSpace(&state, &token);
-        SCPI_LexSuffixProgramData(&state, &token);
+    switch(parameter->type) {
+        case TokDecimalNumericProgramDataWithSuffix:
+            lexDecimalNumericProgramData(&state, &token);
+            lexWhiteSpace(&state, &token);
+            lexSuffixProgramData(&state, &token);
 
-        return transformNumber(context, token.ptr, token.len, &parameter->number);
+            return transformNumber(context, token.ptr, token.len, &parameter->number);
+        case TokProgramMnemonic:
+            lexWhiteSpace(&state, &token);
+            lexCharacterProgramData(&state, &token);
 
-    } else if (parameter->type == TokProgramMnemonic) {
-        SCPI_LexWhiteSpace(&state, &token);
-        SCPI_LexCharacterProgramData(&state, &token);
-
-        /* convert string to special number type */
-        if (translateSpecialNumber(context->special_numbers, token.ptr, token.len, &parameter->number)) {
-            /* found special type */
-            return TRUE;
-        }
+            /* convert string to special number type */
+            return translateSpecialNumber(context->special_numbers, token.ptr, token.len, &parameter->number);
+        default:
+            return FALSE;
     }
-
-    return FALSE;
 }
 
 /**

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