From 1e139e410744eb791486dcee0ed4b1eebdf9a515 Mon Sep 17 00:00:00 2001
From: nancy.liao <huihui.liao@greentest.com.cn>
Date: 周四, 24 4月 2025 09:32:54 +0800
Subject: [PATCH] 提交修改

---
 libscpi/src/utils.c |  940 ++++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 806 insertions(+), 134 deletions(-)

diff --git a/libscpi/src/utils.c b/libscpi/src/utils.c
index 66dbc64..8758917 100644
--- a/libscpi/src/utils.c
+++ b/libscpi/src/utils.c
@@ -1,46 +1,45 @@
 /*-
- * Copyright (c) 2013 Jan Breuer
- *                    Richard.hmm
- * Copyright (c) 2012 Jan Breuer
+ * BSD 2-Clause License
  *
- * All Rights Reserved
- * 
+ * Copyright (c) 2012-2018, Jan Breuer, Richard.hmm
+ * 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.
- * 
- * 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.
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * 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.
  */
 
 /**
  * @file   scpi_utils.c
  * @date   Thu Nov 15 10:58:45 UTC 2012
- * 
+ *
  * @brief  Conversion routines and string manipulation routines
- * 
- * 
+ *
+ *
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
-
+#include <math.h>
 #include "utils_private.h"
 #include "scpi/utils.h"
 
@@ -53,7 +52,7 @@
  * @param str
  * @param size
  * @param set
- * @return 
+ * @return
  */
 char * strnpbrk(const char *str, size_t size, const char *set) {
     const char *scanp;
@@ -69,14 +68,15 @@
 }
 
 /**
- * Converts signed 32b integer value to string
+ * Converts signed/unsigned 32 bit integer value to string in specific base
  * @param val   integer value
  * @param str   converted textual representation
  * @param len   string buffer length
  * @param base  output base
+ * @param sign
  * @return number of bytes written to str (without '\0')
  */
-size_t SCPI_LongToStr(int32_t val, char * str, size_t len, int8_t base) {
+size_t UInt32ToStrBaseSign(uint32_t val, char * str, size_t len, int8_t base, scpi_bool_t sign) {
     const char digits[] = "0123456789ABCDEF";
 
 #define ADD_CHAR(c) if (pos < len) str[pos++] = (c)
@@ -90,31 +90,29 @@
     } else {
 
         switch (base) {
-            case 2: 
-                x = 0x80000000L;
-                break;
-            case 8:
-                x = 0x40000000L;
-                break;
-            case 10:
-                x = 1000000000L;
-                break;
-            case 0x10:
-                x = 0x10000000L;
-                break;
-            default:
-                x = 1000000000L;
-                base = 10;
-                break;
+        case 2:
+            x = 0x80000000L;
+            break;
+        case 8:
+            x = 0x40000000L;
+            break;
+        default:
+        case 10:
+            base = 10;
+            x = 1000000000L;
+            break;
+        case 16:
+            x = 0x10000000L;
+            break;
         }
 
-        // add sign for numbers in base 10
-        if ((val < 0) && (base == 10)) {
+        /* add sign for numbers in base 10 */
+        if (sign && ((int32_t) val < 0) && (base == 10)) {
             uval = -val;
             ADD_CHAR('-');
         }
 
-        // remove leading zeros
+        /* remove leading zeros */
         while ((uval / x) == 0) {
             x /= base;
         }
@@ -133,14 +131,136 @@
 }
 
 /**
- * Converts double value to string
+ * Converts signed 32 bit integer value to string
+ * @param val   integer value
+ * @param str   converted textual representation
+ * @param len   string buffer length
+ * @return number of bytes written to str (without '\0')
+ */
+size_t SCPI_Int32ToStr(int32_t val, char * str, size_t len) {
+    return UInt32ToStrBaseSign((uint32_t) val, str, len, 10, TRUE);
+}
+
+/**
+ * Converts unsigned 32 bit integer value to string in specific base
+ * @param val   integer value
+ * @param str   converted textual representation
+ * @param len   string buffer length
+ * @param base  output base
+ * @return number of bytes written to str (without '\0')
+ */
+size_t SCPI_UInt32ToStrBase(uint32_t val, char * str, size_t len, int8_t base) {
+    return UInt32ToStrBaseSign(val, str, len, base, FALSE);
+}
+
+/**
+ * Converts signed/unsigned 64 bit integer value to string in specific base
+ * @param val   integer value
+ * @param str   converted textual representation
+ * @param len   string buffer length
+ * @param base  output base
+ * @param sign
+ * @return number of bytes written to str (without '\0')
+ */
+size_t UInt64ToStrBaseSign(uint64_t val, char * str, size_t len, int8_t base, scpi_bool_t sign) {
+    const char digits[] = "0123456789ABCDEF";
+
+#define ADD_CHAR(c) if (pos < len) str[pos++] = (c)
+    uint64_t x = 0;
+    int_fast8_t digit;
+    size_t pos = 0;
+    uint64_t uval = val;
+
+    if (uval == 0) {
+        ADD_CHAR('0');
+    } else {
+
+        switch (base) {
+        case 2:
+            x = 0x8000000000000000ULL;
+            break;
+        case 8:
+            x = 0x8000000000000000ULL;
+            break;
+        default:
+        case 10:
+            x = 10000000000000000000ULL;
+            base = 10;
+            break;
+        case 16:
+            x = 0x1000000000000000ULL;
+            break;
+        }
+
+        /* add sign for numbers in base 10 */
+        if (sign && ((int64_t) val < 0) && (base == 10)) {
+            uval = -val;
+            ADD_CHAR('-');
+        }
+
+        /* remove leading zeros */
+        while ((uval / x) == 0) {
+            x /= base;
+        }
+
+        do {
+            digit = (uint8_t) (uval / x);
+            ADD_CHAR(digits[digit]);
+            uval -= digit * x;
+            x /= base;
+        } while (x && (pos < len));
+    }
+
+    if (pos < len) str[pos] = 0;
+    return pos;
+#undef ADD_CHAR
+}
+
+/**
+ * Converts signed 64 bit integer value to string
+ * @param val   integer value
+ * @param str   converted textual representation
+ * @param len   string buffer length
+ * @return number of bytes written to str (without '\0')
+ */
+size_t SCPI_Int64ToStr(int64_t val, char * str, size_t len) {
+    return UInt64ToStrBaseSign((uint64_t) val, str, len, 10, TRUE);
+}
+
+/**
+ * Converts signed/unsigned 64 bit integer value to string in specific base
+ * @param val   integer value
+ * @param str   converted textual representation
+ * @param len   string buffer length
+ * @param base  output base
+ * @return number of bytes written to str (without '\0')
+ */
+size_t SCPI_UInt64ToStrBase(uint64_t val, char * str, size_t len, int8_t base) {
+    return UInt64ToStrBaseSign(val, str, len, base, FALSE);
+}
+
+/**
+ * Converts float (32 bit) value to string
+ * @param val   long value
+ * @param str   converted textual representation
+ * @param len   string buffer length
+ * @return number of bytes written to str (without '\0')
+ */
+size_t SCPI_FloatToStr(float val, char * str, size_t len) {
+    SCPIDEFINE_floatToStr(val, str, len);
+    return strlen(str);
+}
+
+/**
+ * Converts double (64 bit) value to string
  * @param val   double value
  * @param str   converted textual representation
  * @param len   string buffer length
  * @return number of bytes written to str (without '\0')
  */
 size_t SCPI_DoubleToStr(double val, char * str, size_t len) {
-    return SCPIDEFINE_doubleToStr(val, str, len);
+    SCPIDEFINE_doubleToStr(val, str, len);
+    return strlen(str);
 }
 
 /**
@@ -149,7 +269,7 @@
  * @param val   32bit integer result
  * @return      number of bytes used in string
  */
-size_t strToLong(const char * str, int32_t * val, int8_t base) {
+size_t strBaseToInt32(const char * str, int32_t * val, int8_t base) {
     char * endptr;
     *val = strtol(str, &endptr, base);
     return endptr - str;
@@ -161,15 +281,50 @@
  * @param val   32bit integer result
  * @return      number of bytes used in string
  */
-size_t strToULong(const char * str, uint32_t * val, int8_t base) {
+size_t strBaseToUInt32(const char * str, uint32_t * val, int8_t base) {
     char * endptr;
     *val = strtoul(str, &endptr, base);
     return endptr - str;
 }
 
+/**
+ * Converts string to signed 64bit integer representation
+ * @param str   string value
+ * @param val   64bit integer result
+ * @return      number of bytes used in string
+ */
+size_t strBaseToInt64(const char * str, int64_t * val, int8_t base) {
+    char * endptr;
+    *val = SCPIDEFINE_strtoll(str, &endptr, base);
+    return endptr - str;
+}
 
 /**
- * Converts string to double representation
+ * Converts string to unsigned 64bit integer representation
+ * @param str   string value
+ * @param val   64bit integer result
+ * @return      number of bytes used in string
+ */
+size_t strBaseToUInt64(const char * str, uint64_t * val, int8_t base) {
+    char * endptr;
+    *val = SCPIDEFINE_strtoull(str, &endptr, base);
+    return endptr - str;
+}
+
+/**
+ * Converts string to float (32 bit) representation
+ * @param str   string value
+ * @param val   float result
+ * @return      number of bytes used in string
+ */
+size_t strToFloat(const char * str, float * val) {
+    char * endptr;
+    *val = SCPIDEFINE_strtof(str, &endptr);
+    return endptr - str;
+}
+
+/**
+ * Converts string to double (64 bit) representation
  * @param str   string value
  * @param val   double result
  * @return      number of bytes used in string
@@ -221,10 +376,10 @@
 
         if (num) {
             if (len1 == len2) {
-                *num = 1;
+                /* *num = 1; */
             } else {
                 int32_t tmpNum;
-                i = len1 + strToLong(str2 + len1, &tmpNum, 10);
+                i = len1 + strBaseToInt32(str2 + len1, &tmpNum, 10);
                 if (i != len2) {
                     result = FALSE;
                 } else {
@@ -232,7 +387,7 @@
                 }
             }
         } else {
-            for (i = len1; i<len2; i++) {
+            for (i = len1; i < len2; i++) {
                 if (!isdigit((int) str2[i])) {
                     result = FALSE;
                     break;
@@ -317,24 +472,24 @@
  * @param pattern_len
  * @param str
  * @param str_len
- * @return 
+ * @return
  */
 scpi_bool_t matchPattern(const char * pattern, size_t pattern_len, const char * str, size_t str_len, int32_t * num) {
     int pattern_sep_pos_short;
 
-    if (pattern[pattern_len - 1] == '#') {
+    if ((pattern_len > 0) && pattern[pattern_len - 1] == '#') {
         size_t new_pattern_len = pattern_len - 1;
 
         pattern_sep_pos_short = patternSeparatorShortPos(pattern, new_pattern_len);
 
         return compareStrAndNum(pattern, new_pattern_len, str, str_len, num) ||
-                compareStrAndNum(pattern, pattern_sep_pos_short, str, str_len, num);
+               compareStrAndNum(pattern, pattern_sep_pos_short, str, str_len, num);
     } else {
 
         pattern_sep_pos_short = patternSeparatorShortPos(pattern, pattern_len);
 
         return compareStr(pattern, pattern_len, str, str_len) ||
-                compareStr(pattern, pattern_sep_pos_short, str, str_len);
+               compareStr(pattern, pattern_sep_pos_short, str, str_len);
     }
 }
 
@@ -345,10 +500,12 @@
  * @param len - max search length
  * @return TRUE if pattern matches, FALSE otherwise
  */
-scpi_bool_t matchCommand(const char * pattern, const char * cmd, size_t len, int32_t *numbers, size_t numbers_len) {
+scpi_bool_t matchCommand(const char * pattern, const char * cmd, size_t len, int32_t *numbers, size_t numbers_len, int32_t default_value) {
+#define SKIP_PATTERN(n) do {pattern_ptr += (n);  pattern_len -= (n);} while(0)
+#define SKIP_CMD(n) do {cmd_ptr += (n);  cmd_len -= (n);} while(0)
+
     scpi_bool_t result = FALSE;
-    int leftFlag = 0; // flag for '[' on left
-    int rightFlag = 0; // flag for ']' on right
+    int brackets = 0;
     int cmd_sep_pos = 0;
 
     size_t numbers_idx = 0;
@@ -356,45 +513,49 @@
 
     const char * pattern_ptr = pattern;
     int pattern_len = strlen(pattern);
-    const char * pattern_end = pattern + pattern_len;
 
     const char * cmd_ptr = cmd;
     size_t cmd_len = SCPIDEFINE_strnlen(cmd, len);
-    const char * cmd_end = cmd + cmd_len;
+
+    /* both commands are query commands? */
+    if (pattern_ptr[pattern_len - 1] == '?') {
+        if (cmd_ptr[cmd_len - 1] == '?') {
+            cmd_len -= 1;
+            pattern_len -= 1;
+        } else {
+            return FALSE;
+        }
+    }
 
     /* now support optional keywords in pattern style, e.g. [:MEASure]:VOLTage:DC? */
-    if (pattern_ptr[0] == '[') { // skip first '['
-        pattern_len--;
-        pattern_ptr++;
-        leftFlag++;
+    if (pattern_ptr[0] == '[') { /* skip first '[' */
+        SKIP_PATTERN(1);
+        brackets++;
     }
-    if (pattern_ptr[0] == ':') { // skip first ':'
-        pattern_len--;
-        pattern_ptr++;
+    if (pattern_ptr[0] == ':') { /* skip first ':' */
+        SKIP_PATTERN(1);
     }
 
     if (cmd_ptr[0] == ':') {
         /* handle errornouse ":*IDN?" */
-        if ((cmd_len >= 2) && (cmd_ptr[1] != '*')) {
-            cmd_len--;
-            cmd_ptr++;
+        if (cmd_len >= 2) {
+            if (cmd_ptr[1] != '*') {
+                SKIP_CMD(1);
+            } else {
+                return FALSE;
+            }
         }
     }
 
     while (1) {
-        int pattern_sep_pos = patternSeparatorPos(pattern_ptr, pattern_end - pattern_ptr);
+        int pattern_sep_pos = patternSeparatorPos(pattern_ptr, pattern_len);
 
-        if ((leftFlag > 0) && (rightFlag > 0)) {
-            leftFlag--;
-            rightFlag--;
-        } else {
-            cmd_sep_pos = cmdSeparatorPos(cmd_ptr, cmd_end - cmd_ptr);
-        }
+        cmd_sep_pos = cmdSeparatorPos(cmd_ptr, cmd_len);
 
-        if (pattern_ptr[pattern_sep_pos - 1] == '#') {
+        if ((pattern_sep_pos > 0) && pattern_ptr[pattern_sep_pos - 1] == '#') {
             if (numbers && (numbers_idx < numbers_len)) {
                 number_ptr = numbers + numbers_idx;
-                *number_ptr = 1; // default value
+                *number_ptr = default_value; /* default value */
             } else {
                 number_ptr = NULL;
             }
@@ -404,77 +565,95 @@
         }
 
         if (matchPattern(pattern_ptr, pattern_sep_pos, cmd_ptr, cmd_sep_pos, number_ptr)) {
-            pattern_ptr = pattern_ptr + pattern_sep_pos;
-            cmd_ptr = cmd_ptr + cmd_sep_pos;
+            SKIP_PATTERN(pattern_sep_pos);
+            SKIP_CMD(cmd_sep_pos);
             result = TRUE;
 
             /* command is complete */
-            if ((pattern_ptr == pattern_end) && (cmd_ptr >= cmd_end)) {
+            if ((pattern_len == 0) && (cmd_len == 0)) {
                 break;
             }
 
             /* pattern complete, but command not */
-            if ((pattern_ptr == pattern_end) && (cmd_ptr < cmd_end)) {
+            if ((pattern_len == 0) && (cmd_len > 0)) {
                 result = FALSE;
                 break;
             }
 
             /* command complete, but pattern not */
-            if (cmd_ptr >= cmd_end) {
-                if (cmd_end == cmd_ptr) {
-                    if (cmd_ptr[0] == pattern_ptr[pattern_end - pattern_ptr - 1]) {
-                        break; /* exist optional keyword, command is complete */
+            if (cmd_len == 0) {
+                /* verify all subsequent pattern parts are also optional */
+                while (pattern_len) {
+                    pattern_sep_pos = patternSeparatorPos(pattern_ptr, pattern_len);
+                    switch (pattern_ptr[pattern_sep_pos]) {
+                    case '[':
+                        brackets++;
+                        break;
+                    case ']':
+                        brackets--;
+                        break;
+                    default:
+                        break;
                     }
-                    if (']' == pattern_ptr[pattern_end - pattern_ptr - 1]) {
-                        break; /* exist optional keyword, command is complete */
+                    SKIP_PATTERN(pattern_sep_pos + 1);
+                    if (brackets == 0) {
+                        if ((pattern_len > 0) && (pattern_ptr[0] == '[')) {
+                            continue;
+                        } else {
+                            break;
+                        }
                     }
                 }
-                result = FALSE;
-                break;
+                if (pattern_len != 0) {
+                    result = FALSE;
+                }
+                break; /* exist optional keyword, command is complete */
             }
 
             /* both command and patter contains command separator at this position */
-            if ((pattern_ptr[0] == cmd_ptr[0]) && ((pattern_ptr[0] == ':') || (pattern_ptr[0] == '?'))) {
-                pattern_ptr = pattern_ptr + 1;
-                cmd_ptr = cmd_ptr + 1;
-            } else if ((pattern_ptr[1] == cmd_ptr[0])
-                    && (pattern_ptr[0] == '[')
-                    && (pattern_ptr[1] == ':')) {
-                pattern_ptr = pattern_ptr + 2; // for skip '[' in "[:"
-                cmd_ptr = cmd_ptr + 1;
-                leftFlag++;
-            } else if ((pattern_ptr[1] == cmd_ptr[0])
-                    && (pattern_ptr[0] == ']')
-                    && (pattern_ptr[1] == ':')) {
-                pattern_ptr = pattern_ptr + 2; // for skip ']' in "]:"
-                cmd_ptr = cmd_ptr + 1;
-            } else if ((pattern_ptr[2] == cmd_ptr[0])
-                    && (pattern_ptr[0] == ']')
-                    && (pattern_ptr[1] == '[')
-                    && (pattern_ptr[2] == ':')) {
-                pattern_ptr = pattern_ptr + 3; // for skip '][' in "][:"
-                cmd_ptr = cmd_ptr + 1;
-                leftFlag++;
-            } else if (((pattern_ptr[0] == ']')
-                    || (pattern_ptr[0] == '['))
-                    && (*(pattern_end - 1) == '?') // last is '?'
-                    && (cmd_ptr[0] == '?')) {
-                result = TRUE; // exist optional keyword, and they are end with '?'
-                break; // command is complete  OK
+            if ((pattern_len > 0)
+                && ((pattern_ptr[0] == cmd_ptr[0])
+                    && (pattern_ptr[0] == ':'))) {
+                SKIP_PATTERN(1);
+                SKIP_CMD(1);
+            } else if ((pattern_len > 1)
+                       && (pattern_ptr[1] == cmd_ptr[0])
+                       && (pattern_ptr[0] == '[')
+                       && (pattern_ptr[1] == ':')) {
+                SKIP_PATTERN(2); /* for skip '[' in "[:" */
+                SKIP_CMD(1);
+                brackets++;
+            } else if ((pattern_len > 1)
+                       && (pattern_ptr[1] == cmd_ptr[0])
+                       && (pattern_ptr[0] == ']')
+                       && (pattern_ptr[1] == ':')) {
+                SKIP_PATTERN(2); /* for skip ']' in "]:" */
+                SKIP_CMD(1);
+                brackets--;
+            } else if ((pattern_len > 2)
+                       && (pattern_ptr[2] == cmd_ptr[0])
+                       && (pattern_ptr[0] == ']')
+                       && (pattern_ptr[1] == '[')
+                       && (pattern_ptr[2] == ':')) {
+                SKIP_PATTERN(3); /* for skip '][' in "][:" */
+                SKIP_CMD(1);
+                /* brackets++; */
+                /* brackets--; */
             } else {
                 result = FALSE;
                 break;
             }
         } else {
-            pattern_ptr = pattern_ptr + pattern_sep_pos;
+            SKIP_PATTERN(pattern_sep_pos);
             if ((pattern_ptr[0] == ']') && (pattern_ptr[1] == ':')) {
-                pattern_ptr = pattern_ptr + 2; // for skip ']' in "]:" , pattern_ptr continue, while cmd_ptr remain unchanged
-                rightFlag++;
-            } else if ((pattern_ptr[0] == ']')
-                    && (pattern_ptr[1] == '[')
-                    && (pattern_ptr[2] == ':')) {
-                pattern_ptr = pattern_ptr + 3; // for skip ']' in "][:" , pattern_ptr continue, while cmd_ptr remain unchanged
-                rightFlag++;
+                SKIP_PATTERN(2); /* for skip ']' in "]:" , pattern_ptr continue, while cmd_ptr remain unchanged */
+                brackets--;
+            } else if ((pattern_len > 2) && (pattern_ptr[0] == ']')
+                       && (pattern_ptr[1] == '[')
+                       && (pattern_ptr[2] == ':')) {
+                SKIP_PATTERN(3); /* for skip ']' in "][:" , pattern_ptr continue, while cmd_ptr remain unchanged */
+                /* brackets++; */
+                /* brackets--; */
             } else {
                 result = FALSE;
                 break;
@@ -483,16 +662,20 @@
     }
 
     return result;
+#undef SKIP_PATTERN
+#undef SKIP_CMD
 }
 
 /**
- * Compose command from previsou command anc current command
+ * Compose command from previous command anc current command
  *
  * @param prev pointer to previous command
  * @param current pointer of current command
  *
  * prev and current should be in the same memory buffer
  */
+
+//缁勫悎澶嶅悎SCPI鍛戒护
 scpi_bool_t composeCompoundCommand(const scpi_token_t * prev, scpi_token_t * current) {
     size_t i;
 
@@ -505,6 +688,7 @@
         return TRUE;
 
     /* Common command or command root - nothing to do */
+    // 褰撳墠鍛戒护鏄叕鍏卞懡浠�(*)鎴栨牴鍛戒护(:)
     if (current->ptr[0] == '*' || current->ptr[0] == ':')
         return TRUE;
 
@@ -525,6 +709,7 @@
 
     current->ptr -= i;
     current->len += i;
+    //澶嶅悎鍛戒护缁勫悎
     memmove(current->ptr, prev->ptr, i);
     return TRUE;
 }
@@ -569,3 +754,490 @@
 }
 #endif
 
+#if USE_MEMORY_ALLOCATION_FREE && !HAVE_STRNDUP
+char *OUR_strndup(const char *s, size_t n) {
+    size_t len = SCPIDEFINE_strnlen(s, n);
+    //msvc涓嬮渶瑕佸己杞�
+    char * result =(char*) malloc(len + 1);
+    if (!result) {
+        return NULL;
+    }
+    memcpy(result, s, len);
+    result[len] = '\0';
+    return result;
+}
+#endif
+
+#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION && !USE_MEMORY_ALLOCATION_FREE
+
+/**
+ * Initialize heap structure
+ * @param heap - pointer to manual allocated heap buffer
+ * @param error_info_heap - buffer for the heap
+ * @param error_info_heap_length - length of the heap
+ */
+void scpiheap_init(scpi_error_info_heap_t * heap, char * error_info_heap, size_t error_info_heap_length)
+{
+    heap->data = error_info_heap;
+    heap->wr = 0;
+    heap->size = error_info_heap_length;
+    heap->count = heap->size;
+    memset(heap->data, 0, heap->size);
+}
+
+/**
+ * Duplicate string if "strdup" ("malloc/free") not supported on system.
+ * Allocate space in heap if it possible
+ *
+ * @param heap - pointer to manual allocated heap buffer
+ * @param s - current pointer of duplication string
+ * @return - pointer of duplicated string or NULL, if duplicate is not possible.
+ */
+char * scpiheap_strndup(scpi_error_info_heap_t * heap, const char *s, size_t n) {
+    if (!s || !heap || !heap->size) {
+        return NULL;
+    }
+
+    if (heap->data[heap->wr] != '\0') {
+        return NULL;
+    }
+
+    if (*s == '\0') {
+        return NULL;
+    }
+
+    size_t len = SCPIDEFINE_strnlen(s, n) + 1; /* additional '\0' at end */
+    if (len > heap->count) {
+        return NULL;
+    }
+    const char * ptrs = s;
+    char * head = &heap->data[heap->wr];
+    size_t rem = heap->size - (&heap->data[heap->wr] - heap->data);
+
+    if (len >= rem) {
+        memcpy(&heap->data[heap->wr], s, rem);
+        len = len - rem;
+        ptrs += rem;
+        heap->wr = 0;
+        heap->count -= rem;
+    }
+
+    memcpy(&heap->data[heap->wr], ptrs, len);
+    heap->wr += len;
+    heap->count -= len;
+
+    /* ensure '\0' a the end */
+    if (heap->wr > 0) {
+        heap->data[heap->wr - 1] = '\0';
+    } else {
+        heap->data[heap->size - 1] = '\0';
+    }
+    return head;
+}
+
+/**
+ * Return pointers and lengths two parts of string in the circular buffer from heap
+ *
+ * @param heap - pointer to manual allocated heap buffer
+ * @param s - pointer of duplicate string.
+ * @return len1 - lenght of first part of string.
+ * @return s2 - pointer of second part of string, if string splited .
+ * @return len2 - lenght of second part of string.
+ */
+scpi_bool_t scpiheap_get_parts(scpi_error_info_heap_t * heap, const char * s, size_t * len1, const char ** s2, size_t * len2) {
+    if (!heap || !s || !len1 || !s2 || !len2) {
+        return FALSE;
+    }
+
+    if (*s == '\0') {
+        return FALSE;
+    }
+
+    *len1 = 0;
+    size_t rem = heap->size - (s - heap->data);
+    *len1 = strnlen(s, rem);
+
+    if (&s[*len1 - 1] == &heap->data[heap->size - 1]) {
+        *s2 = heap->data;
+        *len2 = strnlen(*s2, heap->size);
+    } else {
+        *s2 = NULL;
+        *len2 = 0;
+    }
+    return TRUE;
+}
+
+/**
+ * Frees space in heap, if "malloc/free" not supported on system, or nothing.
+ *
+ * @param heap - pointer to manual allocated heap buffer
+ * @param s - pointer of duplicate string
+ * @param rollback - backward write pointer in heap
+ */
+void scpiheap_free(scpi_error_info_heap_t * heap, char * s, scpi_bool_t rollback) {
+
+    if (!s) return;
+
+    char * data_add;
+    size_t len[2];
+
+    if (!scpiheap_get_parts(heap, s, &len[0], (const char **)&data_add, &len[1])) return;
+
+    if (data_add) {
+        len[1]++;
+        memset(data_add, 0, len[1]);
+        heap->count += len[1];
+    } else {
+        len[0]++;
+    }
+    memset(s, 0, len[0]);
+    heap->count += len[0];
+    if (heap->count == heap->size) {
+        heap->wr = 0;
+        return;
+    }
+    if (rollback) {
+        size_t rb = len[0] + len[1];
+        if (rb > heap->wr) {
+            heap->wr += heap->size;
+        }
+        heap->wr -= rb;
+    }
+}
+
+#endif
+
+/*
+ * Floating point to string conversion routines
+ *
+ * Copyright (C) 2002 Michael Ringgaard. 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.
+ * 3. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * 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 OWNER 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.
+ */
+
+static char *scpi_ecvt(double arg, int ndigits, int *decpt, int *sign, char *buf, size_t bufsize) {
+    int r1, r2;
+    double fi, fj;
+    int w1, w2;
+
+    if (ndigits < 0) ndigits = 0;
+    if (ndigits >= (int) (bufsize - 1)) ndigits = bufsize - 2;
+
+    r2 = 0;
+    *sign = 0;
+    w1 = 0;
+    if (arg < 0) {
+        *sign = 1;
+        arg = -arg;
+    }
+    frexp(arg, &r1);
+    arg = modf(arg, &fi);
+
+    if (fi != 0) {
+        r1 = r1 * 308 / 1024 - ndigits;
+        w2 = bufsize;
+        while (r1 > 0) {
+            fj = modf(fi / 10, &fi);
+            r2++;
+            r1--;
+        }
+        while (fi != 0) {
+            fj = modf(fi / 10, &fi);
+            buf[--w2] = (int) ((fj + .03) * 10) + '0';
+            r2++;
+        }
+        while (w2 < (int) bufsize) buf[w1++] = buf[w2++];
+    } else if (arg > 0) {
+        while ((fj = arg * 10) < 1) {
+            arg = fj;
+            r2--;
+        }
+    }
+    w2 = ndigits;
+    *decpt = r2;
+    if (w2 < 0) {
+        buf[0] = '\0';
+        return buf;
+    }
+    while (w1 <= w2 && w1 < (int) bufsize) {
+        arg *= 10;
+        arg = modf(arg, &fj);
+        buf[w1++] = (int) fj + '0';
+    }
+    if (w2 >= (int) bufsize) {
+        buf[bufsize - 1] = '\0';
+        return buf;
+    }
+    w1 = w2;
+    buf[w2] += 5;
+    while (buf[w2] > '9') {
+        buf[w2] = '0';
+        if (w2 > 0) {
+            ++buf[--w2];
+        } else {
+            buf[w2] = '1';
+            (*decpt)++;
+        }
+    }
+    buf[w1] = '\0';
+    return buf;
+}
+
+#define SCPI_DTOSTRE_BUFFER_SIZE 32
+
+char * SCPI_dtostre(double __val, char * __s, size_t __ssize, unsigned char __prec, unsigned char __flags) {
+    char buffer[SCPI_DTOSTRE_BUFFER_SIZE];
+
+    int sign = SCPIDEFINE_signbit(__val);
+    char * s = buffer;
+    int decpt;
+    if (sign) {
+        __val = -__val;
+        s[0] = '-';
+        s++;
+    } else if (!SCPIDEFINE_isnan(__val)) {
+        if (SCPI_DTOSTRE_PLUS_SIGN & __flags) {
+            s[0] = '+';
+            s++;
+        } else if (SCPI_DTOSTRE_ALWAYS_SIGN & __flags) {
+            s[0] = ' ';
+            s++;
+        }
+    }
+
+    if (!SCPIDEFINE_isfinite(__val)) {
+        if (SCPIDEFINE_isnan(__val)) {
+            strcpy(s, (__flags & SCPI_DTOSTRE_UPPERCASE) ? "NAN" : "nan");
+        } else {
+            strcpy(s, (__flags & SCPI_DTOSTRE_UPPERCASE) ? "INF" : "inf");
+        }
+        strncpy(__s, buffer, __ssize);
+        __s[__ssize - 1] = '\0';
+        return __s;
+    }
+
+    scpi_ecvt(__val, __prec, &decpt, &sign, s, SCPI_DTOSTRE_BUFFER_SIZE - 1);
+    if (decpt > 1 && decpt <= __prec) {
+        memmove(s + decpt + 1, s + decpt, __prec + 1 - decpt);
+        s[decpt] = '.';
+        decpt = 0;
+    } else if (decpt > -4 && decpt <= 0) {
+        decpt = -decpt + 1;
+        memmove(s + decpt + 1, s, __prec + 1);
+        memset(s, '0', decpt + 1);
+        s[1] = '.';
+        decpt = 0;
+    } else {
+        memmove(s + 2, s + 1, __prec + 1);
+        s[1] = '.';
+        decpt--;
+    }
+
+    s = &s[__prec];
+    while (s[0] == '0') {
+        s[0] = 0;
+        s--;
+    }
+    if (s[0] == '.') {
+        s[0] = 0;
+        s--;
+    }
+
+    if (decpt != 0) {
+        s++;
+        s[0] = 'e';
+        s++;
+        if (decpt != 0) {
+            if (decpt > 0) {
+                s[0] = '+';
+            }
+            if (decpt < 0) {
+                s[0] = '-';
+                decpt = -decpt;
+            }
+            s++;
+        }
+        UInt32ToStrBaseSign(decpt, s, 5, 10, 0);
+        if (s[1] == 0) {
+            s[2] = s[1];
+            s[1] = s[0];
+            s[0] = '0';
+        }
+    }
+
+    strncpy(__s, buffer, __ssize);
+    __s[__ssize - 1] = '\0';
+    return __s;
+}
+
+/**
+ * Get native CPU endiannes
+ * @return
+ */
+scpi_array_format_t SCPI_GetNativeFormat(void) {
+
+    union {
+        uint32_t i;
+        char c[4];
+    } bint = {0x01020304};
+
+    return bint.c[0] == 1 ? SCPI_FORMAT_BIGENDIAN : SCPI_FORMAT_LITTLEENDIAN;
+}
+
+/**
+ * Swap 16bit number
+ * @param val
+ * @return
+ */
+uint16_t SCPI_Swap16(uint16_t val) {
+    return ((val & 0x00FF) << 8) |
+           ((val & 0xFF00) >> 8);
+}
+
+/**
+ * Swap 32bit number
+ * @param val
+ * @return
+ */
+uint32_t SCPI_Swap32(uint32_t val) {
+    return ((val & 0x000000FFul) << 24) |
+           ((val & 0x0000FF00ul) << 8) |
+           ((val & 0x00FF0000ul) >> 8) |
+           ((val & 0xFF000000ul) >> 24);
+}
+
+/**
+ * Swap 64bit number
+ * @param val
+ * @return
+ */
+uint64_t SCPI_Swap64(uint64_t val) {
+    return ((val & 0x00000000000000FFull) << 56) |
+           ((val & 0x000000000000FF00ull) << 40) |
+           ((val & 0x0000000000FF0000ull) << 24) |
+           ((val & 0x00000000FF000000ull) << 8) |
+           ((val & 0x000000FF00000000ull) >> 8) |
+           ((val & 0x0000FF0000000000ull) >> 24) |
+           ((val & 0x00FF000000000000ull) >> 40) |
+           ((val & 0xFF00000000000000ull) >> 56);
+}
+
+
+// 鐢ㄤ簬鎻愬彇骞跺鐞嗛�夐」鐨勫嚱鏁�
+int extract_required_options(const char* pattern, char options[MAX_TAGS][MAX_OPTION_LEN][MAX_OPTION_LEN], int max_tags) {
+    const char* start = strchr(pattern, '<');  // 鏌ユ壘绗竴涓� '<'
+    const char* end = NULL;
+    int tag_count = 0;
+
+    // 澶勭悊 <...> 鍐呯殑閫夐」
+    while (start != NULL && tag_count < max_tags)
+    {
+        end = strchr(start, '>');  // 鏌ユ壘瀵瑰簲鐨� '>'
+
+        if (end == NULL) {
+            break;  // 濡傛灉娌℃湁鎵惧埌 '>'锛屽垯閫�鍑�
+        }
+
+        // 鎻愬彇 <...> 涓殑鍐呭
+        int len = end - start - 1;
+        if (len > 0 && len < MAX_OPTION_LEN) {
+            char buffer[MAX_OPTION_LEN];
+            strncpy(buffer, start + 1, len);  // 澶嶅埗 '<' 鍜� '>' 涔嬮棿鐨勫唴瀹�
+            buffer[len] = '\0';  // 缁撴潫绗�
+
+            // 澶勭悊 | 鍒嗛殧绗︼紝鎻愬彇澶氫釜閫夐」
+            char* token = strtok(buffer, "|");
+            int option_count = 0;
+            while (token && option_count < MAX_OPTION_LEN) {
+                // 鍘婚櫎 token 涓殑 "[:", "]" 鍜岀┖鏍�
+                char* p = token;
+                while (*p == ' ' || *p == '[' || *p == ':') p++;  // 鍘婚櫎鍓嶅绌烘牸鍜� [:
+                char* q = p + strlen(p) - 1;
+                while (q > p && (*q == ' ' || *q == ']')) q--;  // 鍘婚櫎灏鹃殢绌烘牸鍜� ]
+                *(q + 1) = '\0';  // 纭繚缁撳熬鏄�'\0'
+
+                // 鎷疯礉閫夐」鍒� options 鏁扮粍
+                if (option_count < MAX_OPTION_LEN) {  // 纭繚涓嶄細瓒婄晫
+                    strncpy(options[tag_count][option_count], p, MAX_OPTION_LEN - 1);
+                    options[tag_count][option_count][MAX_OPTION_LEN - 1] = '\0';  // 纭繚缁撴潫绗�
+                    option_count++;
+                }
+                token = strtok(NULL, "|");
+            }
+        }
+
+        // 绉诲姩鍒颁笅涓�涓� '<' 浣嶇疆锛岀户缁煡鎵�
+        start = strchr(end + 1, '<');
+        tag_count++;
+    }
+
+    return tag_count;
+}
+
+// 鐢ㄤ簬妫�鏌ヨ緭鍏ユ槸鍚﹁兘鍖归厤姣忎竴缁勯�夐」
+int match_input_to_options(const char* input, char options[MAX_TAGS][MAX_OPTION_LEN][MAX_OPTION_LEN], int num_tags) {
+    char input_copy[MAX_INPUT_LEN];
+    strncpy(input_copy, input, MAX_INPUT_LEN - 1);
+    input_copy[MAX_INPUT_LEN - 1] = '\0';  // 纭繚缁撳熬鏄�'\0'
+
+    // 鎷嗗垎杈撳叆瀛楃涓诧紝鎸� ":" 鍒嗗壊
+    char* token = strtok(input_copy, ":");
+    int group_idx = 0;
+
+    // 瀵规瘡涓�缁勮繘琛屽尮閰�
+    while (token != NULL && group_idx < num_tags) {
+        int match_found = 0;
+        // 妫�鏌ュ綋鍓嶇粍鐨勬瘡涓�夐」鏄惁涓庤緭鍏ョ殑 token 鍖归厤
+        printf("Checking input token: '%s' against group %d options\n", token, group_idx + 1); // Debug info
+        for (int i = 0; i < MAX_OPTION_LEN && options[group_idx][i][0] != '\0'; i++) {
+            printf("  Comparing with option: '%s'\n", options[group_idx][i]); // Debug info
+            if (strcmp(options[group_idx][i], token) == 0) {
+                match_found = 1;
+                break;
+            }
+        }
+
+        // 濡傛灉褰撳墠缁勭殑鏌愪釜閫夐」娌℃湁鍖归厤涓婏紝杩斿洖 false
+        if (!match_found) {
+            return 0;  // 涓嶅尮閰�
+        }
+
+        // 澶勭悊涓嬩竴涓緭鍏ラ儴鍒�
+        token = strtok(NULL, ":");
+        group_idx++;
+    }
+
+    return (group_idx == num_tags);
+}
+
+
+// 娴嬭瘯鍖归厤鍑芥暟
+bool test_match(const char* pattern, const char* command)
+{
+    char options[MAX_TAGS][MAX_OPTION_LEN][MAX_OPTION_LEN] = { {{0}} };
+    int num_tags = extract_required_options(pattern, options, MAX_TAGS);
+    return match_input_to_options(command, options, num_tags);
+}

--
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