void gumbo_string_copy(struct GumboInternalParser* parser,
GumboStringPiece* dest, const GumboStringPiece* source) {
dest->length = source->length;
char* buffer = gumbo_parser_allocate(parser, source->length);
memcpy(buffer, source->data, source->length);
dest->data = buffer;
}
GumboError* gumbo_add_error(GumboParser* parser) {
int max_errors = parser->_options->max_errors;
if (max_errors >= 0 && parser->_output->errors.length >= (unsigned int) max_errors) {
return NULL;
}
GumboError* error = gumbo_parser_allocate(parser, sizeof(GumboError));
gumbo_vector_add(parser, error, &parser->_output->errors);
return error;
}
static void enlarge_vector_if_full(
struct GumboInternalParser* parser, GumboVector* vector) {
if (vector->length >= vector->capacity) {
if (vector->capacity) {
size_t old_num_bytes = sizeof(void*) * vector->capacity;
vector->capacity *= 2;
size_t num_bytes = sizeof(void*) * vector->capacity;
void** temp = (void**)gumbo_parser_allocate(parser, num_bytes);
memcpy(temp, vector->data, old_num_bytes);
gumbo_parser_deallocate(parser, vector->data);
vector->data = temp;
} else {
// 0-capacity vector; no previous array to deallocate.
vector->capacity = 2;
vector->data = (void**)gumbo_parser_allocate(
parser, sizeof(void*) * vector->capacity);
}
}
}
void gumbo_vector_init(
struct GumboInternalParser* parser, size_t initial_capacity, GumboVector* vector) {
vector->length = 0;
vector->capacity = initial_capacity;
if (initial_capacity > 0) {
vector->data = (void**)gumbo_parser_allocate(
parser, sizeof(void*) * initial_capacity);
} else {
vector->data = NULL;
}
}
char* gumbo_copy_stringz(GumboParser* parser, const char* str) {
char* buffer = gumbo_parser_allocate(parser, strlen(str) + 1);
strcpy(buffer, str);
return buffer;
}