static JsonElement *LookupVariable(Seq *hash_stack, const char *name, size_t name_len)
{
assert(SeqLength(hash_stack) > 0);
size_t num_comps = StringCountTokens(name, name_len, ".");
JsonElement *base_var = NULL;
{
StringRef base_comp = StringGetToken(name, name_len, 0, ".");
char *base_comp_str = xstrndup(base_comp.data, base_comp.len);
for (ssize_t i = SeqLength(hash_stack) - 1; i >= 0; i--)
{
JsonElement *hash = SeqAt(hash_stack, i);
if (!hash)
{
continue;
}
if (JsonGetElementType(hash) == JSON_ELEMENT_TYPE_CONTAINER && JsonGetContainerType(hash) == JSON_CONTAINER_TYPE_OBJECT)
{
JsonElement *var = JsonObjectGet(hash, base_comp_str);
if (var)
{
base_var = var;
break;
}
}
}
free(base_comp_str);
}
if (!base_var)
{
return NULL;
}
for (size_t i = 1; i < num_comps; i++)
{
if (JsonGetElementType(base_var) != JSON_ELEMENT_TYPE_CONTAINER || JsonGetContainerType(base_var) != JSON_CONTAINER_TYPE_OBJECT)
{
return NULL;
}
StringRef comp = StringGetToken(name, name_len, i, ".");
char *comp_str = xstrndup(comp.data, comp.len);
base_var = JsonObjectGet(base_var, comp_str);
free(comp_str);
if (!base_var)
{
return NULL;
}
}
assert(base_var);
return base_var;
}
static bool SetDelimiters(const char *content, size_t content_len,
char *delim_start, size_t *delim_start_len,
char *delim_end, size_t *delim_end_len)
{
size_t num_tokens = StringCountTokens(content, content_len, " \t");
if (num_tokens != 2)
{
Log(LOG_LEVEL_WARNING, "Could not parse delimiter mustache, "
"number of tokens is %llu, expected 2 in '%s'",
(unsigned long long) num_tokens, content);
return false;
}
StringRef first = StringGetToken(content, content_len, 0, " \t");
if (first.len > MUSTACHE_MAX_DELIM_SIZE)
{
Log(LOG_LEVEL_WARNING, "New mustache start delimiter exceeds the allowed size of %d in '%s'",
MUSTACHE_MAX_DELIM_SIZE, content);
return false;
}
strncpy(delim_start, first.data, first.len);
delim_start[first.len] = '\0';
*delim_start_len = first.len;
StringRef second = StringGetToken(content, content_len, 1, " \t");
if (second.len > MUSTACHE_MAX_DELIM_SIZE)
{
Log(LOG_LEVEL_WARNING, "New mustache start delimiter exceeds the allowed size of %d in '%s'",
MUSTACHE_MAX_DELIM_SIZE, content);
return false;
}
strncpy(delim_end, second.data, second.len);
delim_end[second.len] = '\0';
*delim_end_len = second.len;
return true;
}
