static char *default_import_callback(void *ctx, const char *dir, const char *file,
char **found_here_cptr, int *success)
{
auto *vm = static_cast<JsonnetVm *>(ctx);
std::string input, found_here, err_msg;
ImportStatus status = try_path(dir, file, input, found_here, err_msg);
std::vector<std::string> jpaths(vm->jpaths);
// If not found, try library search path.
while (status == IMPORT_STATUS_FILE_NOT_FOUND) {
if (jpaths.size() == 0) {
*success = 0;
const char *err = "no match locally or in the Jsonnet library paths.";
char *r = jsonnet_realloc(vm, nullptr, std::strlen(err) + 1);
std::strcpy(r, err);
return r;
}
status = try_path(jpaths.back(), file, input, found_here, err_msg);
jpaths.pop_back();
}
if (status == IMPORT_STATUS_IO_ERROR) {
*success = 0;
return from_string(vm, err_msg);
} else {
assert(status == IMPORT_STATUS_OK);
*success = 1;
*found_here_cptr = from_string(vm, found_here);
return from_string(vm, input);
}
}
static char *import_callback (void *ctx_, const char *dir, const char *file, int *success)
{
const auto &ctx = *static_cast<ImportCallbackContext*>(ctx_);
std::string input;
ImportStatus status = try_path(dir, file, input);
std::vector<std::string> jpaths(*ctx.jpaths);
// If not found, try library search path.
while (status == IMPORT_STATUS_FILE_NOT_FOUND) {
if (jpaths.size() == 0) {
*success = 0;
const char *err = "No match locally or in the Jsonnet library path.";
char *r = jsonnet_realloc(ctx.vm, nullptr, std::strlen(err) + 1);
std::strcpy(r, err);
return r;
}
status = try_path(jpaths.back(), file, input);
jpaths.pop_back();
}
if (status == IMPORT_STATUS_IO_ERROR) {
*success = 0;
const char *err = std::strerror(errno);
char *r = jsonnet_realloc(ctx.vm, nullptr, std::strlen(err) + 1);
std::strcpy(r, err);
return r;
} else {
assert(status == IMPORT_STATUS_OK);
*success = 1;
char *r = jsonnet_realloc(ctx.vm, nullptr, input.length() + 1);
std::strcpy(r, input.c_str());
return r;
}
}