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Code Issues Releases Wiki Activity

parse_object: improve variable names + const correctness

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This commit is contained in:
Max Bruckner 2017-02-16 20:14:34 +01:00
parent 3dc6339025
commit 698dc528f4
1 changed files with 24 additions and 29 deletions
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53
cJSON.c
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@ -817,7 +817,7 @@ static const unsigned char *parse_value(cJSON *item, const unsigned char *value,
static unsigned char *print_value(const cJSON *item, size_t depth, cjbool fmt, printbuffer *p);
static const unsigned char *parse_array(cJSON * const item, const unsigned char *input, const unsigned char ** const ep);
static unsigned char *print_array(const cJSON *item, size_t depth, cjbool fmt, printbuffer *p);
static const unsigned char *parse_object(cJSON *item, const unsigned char *value, const unsigned char **ep);
static const unsigned char *parse_object(cJSON * const item, const unsigned char *input, const unsigned char ** const ep);
static unsigned char *print_object(const cJSON *item, size_t depth, cjbool fmt, printbuffer *p);
/* Utility to jump whitespace and cr/lf */
@ -1331,26 +1331,25 @@ static unsigned char *print_array(const cJSON *item, size_t depth, cjbool fmt, p
}
/* Build an object from the text. */
static const unsigned char *parse_object(cJSON *item, const unsigned char *value, const unsigned char **error_pointer)
static const unsigned char *parse_object(cJSON * const item, const unsigned char *input, const unsigned char ** const error_pointer)
{
cJSON *head = NULL; /* linked list head */
cJSON *current_item = NULL;
if (*value != '{')
if (*input != '{')
{
/* not an object */
*error_pointer = value;
goto fail;
*error_pointer = input;
goto fail; /* not an object */
}
value = skip(value + 1); /* skip whitespace */
if (*value == '}')
input = skip(input + 1); /* skip whitespace */
if (*input == '}')
{
goto success; /* empty object */
}
/* step back to character in front of the first element */
value--;
input--;
/* loop through the comma separated array elements */
do
{
@ -1376,10 +1375,10 @@ static const unsigned char *parse_object(cJSON *item, const unsigned char *value
}
/* parse the name of the child */
value = skip(value + 1); /* skip whitespaces before name */
value = parse_string(current_item, value, error_pointer);
value = skip(value); /* skip whitespaces after name */
if (value == NULL)
input = skip(input + 1); /* skip whitespaces before name */
input = parse_string(current_item, input, error_pointer);
input = skip(input); /* skip whitespaces after name */
if (input == NULL)
{
goto fail; /* faile to parse name */
}
@ -1388,38 +1387,34 @@ static const unsigned char *parse_object(cJSON *item, const unsigned char *value
current_item->string = current_item->valuestring;
current_item->valuestring = NULL;
if (*value != ':')
if (*input != ':')
{
/* invalid object */
*error_pointer = value;
goto fail;
*error_pointer = input;
goto fail; /* invalid object */
}
/* parse the value */
value = skip(value + 1); /* skip whitespaces before value */
value = parse_value(current_item, value, error_pointer);
value = skip(value); /* skip whitespaces after the value */
if (value == NULL)
input = skip(input + 1); /* skip whitespaces before value */
input = parse_value(current_item, input, error_pointer);
input = skip(input); /* skip whitespaces after the value */
if (input == NULL)
{
goto fail; /* failed to parse value */
}
}
while (*value == ',');
while (*input == ',');
if (*value == '}')
if (*input != '}')
{
goto success; /* end of object */
*error_pointer = input;
goto fail; /* expected end of object */
}
/* malformed object */
*error_pointer = value;
goto fail;
success:
item->type = cJSON_Object;
item->child = head;
return value + 1;
return input + 1;
fail:
if (head != NULL)