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parse_value: improve variable names + const correctness

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Max Bruckner 2017-02-16 21:01:50 +01:00
parent 698dc528f4
commit ead389aba2
1 changed files with 26 additions and 20 deletions
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46
cJSON.c
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@ -813,7 +813,7 @@ static unsigned char *print_string(const cJSON *item, printbuffer *p)
}
/* Predeclare these prototypes. */
static const unsigned char *parse_value(cJSON *item, const unsigned char *value, const unsigned char **ep);
static const unsigned char *parse_value(cJSON * const item, const unsigned char * const input, const unsigned char ** const ep);
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);
@ -927,50 +927,56 @@ int cJSON_PrintPreallocated(cJSON *item, char *buf, const int len, const cjbool
}
/* Parser core - when encountering text, process appropriately. */
static const unsigned char *parse_value(cJSON *item, const unsigned char *value, const unsigned char **ep)
static const unsigned char *parse_value(cJSON * const item, const unsigned char * const input, const unsigned char ** const error_pointer)
{
if (!value)
if (input == NULL)
{
/* Fail on null. */
return NULL;
return NULL; /* no input */
}
/* parse the different types of values */
if (!strncmp((const char*)value, "null", 4))
/* null */
if (!strncmp((const char*)input, "null", 4))
{
item->type = cJSON_NULL;
return value + 4;
return input + 4;
}
if (!strncmp((const char*)value, "false", 5))
/* false */
if (!strncmp((const char*)input, "false", 5))
{
item->type = cJSON_False;
return value + 5;
return input + 5;
}
if (!strncmp((const char*)value, "true", 4))
/* true */
if (!strncmp((const char*)input, "true", 4))
{
item->type = cJSON_True;
item->valueint = 1;
return value + 4;
return input + 4;
}
if (*value == '\"')
/* string */
if (*input == '\"')
{
return parse_string(item, value, ep);
return parse_string(item, input, error_pointer);
}
if ((*value == '-') || ((*value >= '0') && (*value <= '9')))
/* number */
if ((*input == '-') || ((*input >= '0') && (*input <= '9')))
{
return parse_number(item, value);
return parse_number(item, input);
}
if (*value == '[')
/* array */
if (*input == '[')
{
return parse_array(item, value, ep);
return parse_array(item, input, error_pointer);
}
if (*value == '{')
/* object */
if (*input == '{')
{
return parse_object(item, value, ep);
return parse_object(item, input, error_pointer);
}
/* failure. */
*ep = value;
*error_pointer = input;
return NULL;
}