static void parse_suffixes(w_query* res, const json_ref& query) {
size_t i;
auto suffixes = query.get_default("suffix");
if (!suffixes) {
return;
}
if (suffixes.isString()) {
auto suff = parse_suffix(suffixes);
res->suffixes.emplace_back(std::move(suff));
return;
}
if (!suffixes.isArray()) {
throw QueryParseError("'suffix' must be a string or an array of strings");
}
res->suffixes.reserve(json_array_size(suffixes));
for (i = 0; i < json_array_size(suffixes); i++) {
const auto& ele = suffixes.at(i);
if (!ele.isString()) {
throw QueryParseError("'suffix' must be a string or an array of strings");
}
auto suff = parse_suffix(ele);
res->suffixes.emplace_back(std::move(suff));
}
}
/* parse an expression term. It can be one of:
* "term"
* ["term" <parameters>]
*/
std::unique_ptr<QueryExpr> w_query_expr_parse(
w_query* query,
const json_ref& exp) {
w_string name;
if (exp.isString()) {
name = json_to_w_string(exp);
} else if (exp.isArray() && json_array_size(exp) > 0) {
const auto& first = exp.at(0);
if (!first.isString()) {
throw QueryParseError("first element of an expression must be a string");
}
name = json_to_w_string(first);
} else {
throw QueryParseError("expected array or string for an expression");
}
auto it = term_hash().find(name);
if (it == term_hash().end()) {
throw QueryParseError(
watchman::to<std::string>("unknown expression term '", name, "'"));
}
return it->second(query, exp);
}
static void parse_lock_timeout(w_query* res, const json_ref& query) {
int value = DEFAULT_QUERY_SYNC_MS.count();
if (query &&
json_unpack(query, "{s?:i*}", "lock_timeout", &value) != 0) {
throw QueryParseError("lock_timeout must be an integer value >= 0");
}
if (value < 0) {
throw QueryParseError("lock_timeout must be an integer value >= 0");
}
res->lock_timeout = value;
}
static void parse_sync(w_query* res, const json_ref& query) {
int value = DEFAULT_QUERY_SYNC_MS.count();
if (query &&
json_unpack(query, "{s?:i*}", "sync_timeout", &value) != 0) {
throw QueryParseError("sync_timeout must be an integer value >= 0");
}
if (value < 0) {
throw QueryParseError("sync_timeout must be an integer value >= 0");
}
res->sync_timeout = std::chrono::milliseconds(value);
}
static std::unique_ptr<QueryExpr> parse(w_query*, const json_ref& term) {
const char *ignore, *typestr, *found;
char arg;
if (json_unpack(term, "[s,u]", &ignore, &typestr) != 0) {
throw QueryParseError("must use [\"type\", \"typestr\"]");
}
found = strpbrk(typestr, "bcdfplsD");
if (!found || strlen(typestr) > 1) {
throw QueryParseError("invalid type string '", typestr, "'");
}
arg = *found;
return watchman::make_unique<TypeExpr>(arg);
}
static w_string parse_suffix(const json_ref& ele) {
if (!ele.isString()) {
throw QueryParseError("'suffix' must be a string or an array of strings");
}
auto str = json_to_w_string(ele);
return str.piece().asLowerCase(str.type());
}
static void parse_empty_on_fresh_instance(w_query* res, const json_ref& query) {
int value = 0;
if (query &&
json_unpack(query, "{s?:b*}", "empty_on_fresh_instance", &value) != 0) {
throw QueryParseError("empty_on_fresh_instance must be a boolean");
}
res->empty_on_fresh_instance = (bool) value;
}
static void parse_dedup(w_query* res, const json_ref& query) {
int value = 0;
if (query &&
json_unpack(query, "{s?:b*}", "dedup_results", &value) != 0) {
throw QueryParseError("dedup_results must be a boolean");
}
res->dedup_results = (bool) value;
}
static bool parse_paths(w_query* res, const json_ref& query) {
size_t i;
auto paths = query.get_default("path");
if (!paths) {
return true;
}
if (!paths.isArray()) {
throw QueryParseError("'path' must be an array");
}
res->paths.resize(json_array_size(paths));
for (i = 0; i < json_array_size(paths); i++) {
const auto& ele = paths.at(i);
w_string name;
res->paths[i].depth = -1;
if (ele.isString()) {
name = json_to_w_string(ele);
} else if (ele.isObject()) {
name = json_to_w_string(ele.get("path"));
auto depth = ele.get("depth");
if (!depth.isInt()) {
throw QueryParseError("path.depth must be an integer");
}
res->paths[i].depth = json_integer_value(depth);
} else {
throw QueryParseError(
"expected object with 'path' and 'depth' properties");
}
res->paths[i].name = name.normalizeSeparators();
}
return true;
}
static void parse_request_id(w_query* res, const json_ref& query) {
auto request_id = query.get_default("request_id");
if (!request_id) {
return;
}
if (!request_id.isString()) {
throw QueryParseError("'request_id' must be a string");
}
res->request_id = json_to_w_string(request_id);
}
static void parse_case_sensitive(
w_query* res,
const std::shared_ptr<w_root_t>& root,
const json_ref& query) {
int value = root->case_sensitive == CaseSensitivity::CaseSensitive;
if (query && json_unpack(query, "{s?:b*}", "case_sensitive", &value) != 0) {
throw QueryParseError("case_sensitive must be a boolean");
}
res->case_sensitive = value ? CaseSensitivity::CaseSensitive
: CaseSensitivity::CaseInSensitive;
}
void parse_globs(w_query* res, const json_ref& query) {
size_t i;
int noescape = 0;
int includedotfiles = 0;
auto globs = query.get_default("glob");
if (!globs) {
return;
}
if (!json_is_array(globs)) {
throw QueryParseError("'glob' must be an array");
}
// Globs implicitly enable dedup_results mode
res->dedup_results = true;
if (json_unpack(query, "{s?b}", "glob_noescape", &noescape) != 0) {
throw QueryParseError("glob_noescape must be a boolean");
}
if (json_unpack(query, "{s?b}", "glob_includedotfiles", &includedotfiles) !=
0) {
throw QueryParseError("glob_includedotfiles must be a boolean");
}
res->glob_flags =
(includedotfiles ? 0 : WM_PERIOD) | (noescape ? WM_NOESCAPE : 0);
res->glob_tree = watchman::make_unique<watchman_glob_tree>("", 0);
for (i = 0; i < json_array_size(globs); i++) {
const auto& ele = globs.at(i);
const auto& pattern = json_to_w_string(ele);
if (!add_glob(res->glob_tree.get(), pattern)) {
throw QueryParseError("failed to compile multi-glob");
}
}
}
static bool parse_since(w_query* res, const json_ref& query) {
auto since = query.get_default("since");
if (!since) {
return true;
}
auto spec = ClockSpec::parseOptionalClockSpec(since);
if (spec) {
// res owns the ref to spec
res->since_spec = std::move(spec);
return true;
}
throw QueryParseError("invalid value for 'since'");
}
static void parse_relative_root(
const std::shared_ptr<w_root_t>& root,
w_query* res,
const json_ref& query) {
auto relative_root = query.get_default("relative_root");
if (!relative_root) {
return;
}
if (!relative_root.isString()) {
throw QueryParseError("'relative_root' must be a string");
}
auto path = json_to_w_string(relative_root).normalizeSeparators();
auto canon_path = w_string_canon_path(path);
res->relative_root = w_string::pathCat({root->root_path, canon_path});
res->relative_root_slash =
w_string::printf("%s/", res->relative_root.c_str());
}
LocalSavedStateInterface::LocalSavedStateInterface(
const json_ref& savedStateConfig,
const SCM* scm)
: SavedStateInterface(savedStateConfig), scm_(scm) {
// Max commits to search in source control history for a saved state
auto maxCommits = savedStateConfig.get_default("max-commits");
if (maxCommits) {
if (!maxCommits.isInt()) {
throw QueryParseError("'max-commits' must be an integer");
}
maxCommits_ = json_integer_value(maxCommits);
if (maxCommits_ < 1) {
throw QueryParseError("'max-commits' must be a positive integer");
}
} else {
maxCommits_ = kDefaultMaxCommits;
}
// Local path to search for saved states. This path will only ever be read,
// never written.
auto localStoragePath = savedStateConfig.get_default("local-storage-path");
if (!localStoragePath) {
throw QueryParseError(
"'local-storage-path' must be present in saved state config");
}
if (!localStoragePath.isString()) {
throw QueryParseError("'local-storage-path' must be a string");
}
localStoragePath_ = json_to_w_string(localStoragePath);
if (!w_string_path_is_absolute(localStoragePath_)) {
throw QueryParseError("'local-storage-path' must be an absolute path");
}
// The saved state project must be a sub-directory in the local storage
// path.
if (w_string_path_is_absolute(project_)) {
throw QueryParseError("'project' must be a relative path");
}
}
// Translate from the legacy array into the new style, then
// delegate to the main parser.
// We build a big anyof expression
std::shared_ptr<w_query> w_query_parse_legacy(
const std::shared_ptr<w_root_t>& root,
const json_ref& args,
int start,
uint32_t* next_arg,
const char* clockspec,
json_ref* expr_p) {
bool include = true;
bool negated = false;
uint32_t i;
const char *term_name = "match";
json_ref included, excluded;
auto query_obj = json_object();
if (!args.isArray()) {
throw QueryParseError("Expected an array");
}
for (i = start; i < json_array_size(args); i++) {
const char *arg = json_string_value(json_array_get(args, i));
if (!arg) {
/* not a string value! */
throw QueryParseError(watchman::to<std::string>(
"rule @ position ", i, " is not a string value"));
}
}
for (i = start; i < json_array_size(args); i++) {
const char *arg = json_string_value(json_array_get(args, i));
if (!strcmp(arg, "--")) {
i++;
break;
}
if (!strcmp(arg, "-X")) {
include = false;
continue;
}
if (!strcmp(arg, "-I")) {
include = true;
continue;
}
if (!strcmp(arg, "!")) {
negated = true;
continue;
}
if (!strcmp(arg, "-P")) {
term_name = "ipcre";
continue;
}
if (!strcmp(arg, "-p")) {
term_name = "pcre";
continue;
}
// Which group are we going to file it into
json_ref container;
if (include) {
if (!included) {
included =
json_array({typed_string_to_json("anyof", W_STRING_UNICODE)});
}
container = included;
} else {
if (!excluded) {
excluded =
json_array({typed_string_to_json("anyof", W_STRING_UNICODE)});
}
container = excluded;
}
auto term =
json_array({typed_string_to_json(term_name, W_STRING_UNICODE),
typed_string_to_json(arg),
typed_string_to_json("wholename", W_STRING_UNICODE)});
if (negated) {
term = json_array({typed_string_to_json("not", W_STRING_UNICODE), term});
}
json_array_append_new(container, std::move(term));
// Reset negated flag
negated = false;
term_name = "match";
}
if (excluded) {
excluded =
json_array({typed_string_to_json("not", W_STRING_UNICODE), excluded});
}
json_ref query_array;
if (included && excluded) {
query_array = json_array(
{typed_string_to_json("allof", W_STRING_UNICODE), excluded, included});
} else if (included) {
query_array = included;
} else {
query_array = excluded;
}
// query_array may be NULL, which means find me all files.
// Otherwise, it is the expression we want to use.
if (query_array) {
json_object_set_new_nocheck(
query_obj, "expression", std::move(query_array));
}
// For trigger
if (next_arg) {
*next_arg = i;
}
if (clockspec) {
json_object_set_new_nocheck(query_obj,
"since", typed_string_to_json(clockspec, W_STRING_UNICODE));
}
/* compose the query with the field list */
auto query = w_query_parse(root, query_obj);
if (expr_p) {
*expr_p = query_obj;
}
if (query) {
w_query_legacy_field_list(&query->fieldList);
}
return query;
}
