/* Render a value to text. */
static char *print_value(srjson_doc_t *doc, srjson_t *item, int depth, int fmt)
{
char *out = 0;
if (!item)
return 0;
switch ((item->type) & 255) {
case srjson_NULL:
out = srjson_strdup(doc, "null");
break;
case srjson_False:
out = srjson_strdup(doc, "false");
break;
case srjson_True:
out = srjson_strdup(doc, "true");
break;
case srjson_Number:
out = print_number(doc, item);
break;
case srjson_String:
out = print_string(doc, item);
break;
case srjson_Array:
out = print_array(doc, item, depth, fmt);
break;
case srjson_Object:
out = print_object(doc, item, depth, fmt);
break;
}
return out;
}
srjson_t *srjson_CreateString(srjson_doc_t *doc, const char *string) {
srjson_t *item = srjson_New_Item(doc);
if (item) {
item->type = srjson_String;
item->valuestring = srjson_strdup(doc, string);
} return item;
}
void srjson_AddItemToObject(srjson_doc_t *doc, srjson_t *object, const char *string, srjson_t *item) {
if (!item)
return;
if (item->string)
doc->free_fn(item->string);
item->string = srjson_strdup(doc, string);
srjson_AddItemToArray(doc, object, item);
}
void srjson_ReplaceItemInObject(srjson_doc_t *doc, srjson_t * object, const char *string, srjson_t *newitem) {
int i = 0;
srjson_t *c = object->child;
while (c && srjson_strcasecmp(c->string, string))
i++, c = c->next;
if (c) {
newitem->string = srjson_strdup(doc, string);
srjson_ReplaceItemInArray(doc, object, i, newitem);
}
}
/* Render the cstring provided to an escaped version that can be printed. */
static char *print_string_ptr(srjson_doc_t *doc, const char *str)
{
const char *ptr;
char *ptr2, *out;
int len = 0;
unsigned char token;
if (!str)
return srjson_strdup(doc, "");
ptr = str;
while ((token = *ptr) && ++len) {
if (strchr("\"\\\b\f\n\r\t", token))
len++;
else if (token < 32)
len += 5;
ptr++;
}
out = (char *) doc->malloc_fn(len + 3);
if (!out)
return 0;
ptr2 = out;
ptr = str;
*ptr2++ = '\"';
while (*ptr) {
if ((unsigned char) *ptr > 31 && *ptr != '\"' && *ptr != '\\')
*ptr2++ = *ptr++;
else {
*ptr2++ = '\\';
switch (token = *ptr++) {
case '\\':
*ptr2++ = '\\';
break;
case '\"':
*ptr2++ = '\"';
break;
case '\b':
*ptr2++ = 'b';
break;
case '\f':
*ptr2++ = 'f';
break;
case '\n':
*ptr2++ = 'n';
break;
case '\r':
*ptr2++ = 'r';
break;
case '\t':
*ptr2++ = 't';
break;
default:
sprintf(ptr2, "u%04x", token);
ptr2 += 5;
break; /* escape and print */
}
}
}
*ptr2++ = '\"';
*ptr2++ = 0;
return out;
}
