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Merge pull request #53 from build-cpp/better-validation

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Better TOML validation
main
Duncan Ogilvie 3 years ago committed by GitHub
parent a2f8d9e5c9 c713606fd4
commit f6a245618e
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 37 additions and 20 deletions
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57
src/project_parser.cpp
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@ -143,14 +143,21 @@ class TomlChecker {
};
class TomlCheckerRoot {
const TomlBasicValue &m_root;
std::deque<TomlChecker> m_checkers;
tsl::ordered_map<toml::key, bool> m_visisted;
bool m_checked = false;
public:
TomlCheckerRoot() = default;
TomlCheckerRoot(const TomlBasicValue &root) : m_root(root) {}
TomlCheckerRoot(const TomlCheckerRoot &) = delete;
TomlCheckerRoot(TomlCheckerRoot &&) = delete;
bool contains(const toml::key &ky) {
m_visisted[ky] = true;
return m_root.contains(ky);
}
TomlChecker &create(const TomlBasicValue &v) {
m_checkers.emplace_back(v);
return m_checkers.back();
@ -161,7 +168,14 @@ class TomlCheckerRoot {
return m_checkers.back();
}
void check(const tsl::ordered_map<std::string, std::string> &conditions) {
void check(const tsl::ordered_map<std::string, std::string> &conditions, bool check_root) {
if (check_root) {
for (const auto &itr : m_root.as_table()) {
if (!m_visisted.contains(itr.first)) {
throw std::runtime_error(format_key_error("Unknown key '" + itr.first + "'", itr.first, itr.second));
}
}
}
for (const auto &checker : m_checkers) {
checker.check(conditions);
}
@ -171,13 +185,16 @@ class TomlCheckerRoot {
Project::Project(const Project *parent, const std::string &path, bool build) {
const auto toml_path = fs::path(path) / "cmake.toml";
if (!fs::exists(toml_path)) {
throw std::runtime_error("No cmake.toml was found!");
throw std::runtime_error("File not found '" + toml_path.string() + "'");
}
const auto toml = toml::parse<toml::discard_comments, tsl::ordered_map, std::vector>(toml_path.string());
if (toml.size() == 0) {
throw std::runtime_error("Empty TOML '" + toml_path.string() + "'");
}
TomlCheckerRoot checker;
TomlCheckerRoot checker(toml);
if (toml.contains("cmake")) {
if (checker.contains("cmake")) {
auto &cmake = checker.create(toml, "cmake");
cmake.required("version", cmake_version);
@ -209,7 +226,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
// Skip the rest of the parsing when building
if (build) {
checker.check(conditions);
checker.check(conditions, false);
return;
}
@ -231,14 +248,14 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
templates = parent->templates;
}
if (toml.contains("conditions")) {
if (checker.contains("conditions")) {
auto conds = toml::find<decltype(conditions)>(toml, "conditions");
for (const auto &cond : conds) {
conditions[cond.first] = cond.second;
}
}
if (toml.contains("project")) {
if (checker.contains("project")) {
auto &project = checker.create(toml, "project");
project.required("name", project_name);
project.optional("version", project_version);
@ -251,7 +268,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
project.optional("subdirs", project_subdirs);
}
if (toml.contains("subdir")) {
if (checker.contains("subdir")) {
const auto &subs = toml::find(toml, "subdir").as_table();
for (const auto &itr : subs) {
Subdir subdir;
@ -268,7 +285,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
}
}
if (toml.contains("settings")) {
if (checker.contains("settings")) {
using set_map = tsl::ordered_map<std::string, TomlBasicValue>;
const auto &sets = toml::find<set_map>(toml, "settings");
for (const auto &itr : sets) {
@ -297,7 +314,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
}
}
if (toml.contains("options")) {
if (checker.contains("options")) {
using opts_map = tsl::ordered_map<std::string, TomlBasicValue>;
const auto &opts = toml::find<opts_map>(toml, "options");
for (const auto &itr : opts) {
@ -315,7 +332,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
}
}
if (toml.contains("find-package")) {
if (checker.contains("find-package")) {
using pkg_map = tsl::ordered_map<std::string, TomlBasicValue>;
const auto &pkgs = toml::find<pkg_map>(toml, "find-package");
for (const auto &itr : pkgs) {
@ -337,7 +354,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
}
// TODO: perform checking here
if (toml.contains("fetch-content")) {
if (checker.contains("fetch-content")) {
const auto &fc = toml::find(toml, "fetch-content").as_table();
for (const auto &itr : fc) {
Content content;
@ -370,7 +387,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
}
}
if (toml.contains("bin")) {
if (checker.contains("bin")) {
throw std::runtime_error("[[bin]] has been renamed to [[target]]");
}
@ -489,7 +506,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
return target;
};
if (toml.contains("template")) {
if (checker.contains("template")) {
const auto &ts = toml::find(toml, "template").as_table();
for (const auto &itr : ts) {
auto &t = checker.create(itr.second);
@ -517,7 +534,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
}
}
if (toml.contains("target")) {
if (checker.contains("target")) {
const auto &ts = toml::find(toml, "target").as_table();
for (const auto &itr : ts) {
auto &t = checker.create(itr.second);
@ -525,7 +542,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
}
}
if (toml.contains("test")) {
if (checker.contains("test")) {
const auto &ts = toml::find(toml, "test").as_array();
for (const auto &value : ts) {
auto &t = checker.create(value);
@ -540,7 +557,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
}
}
if (toml.contains("install")) {
if (checker.contains("install")) {
const auto &is = toml::find(toml, "install").as_array();
for (const auto &value : is) {
auto &i = checker.create(value);
@ -556,7 +573,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
}
}
if (toml.contains("vcpkg")) {
if (checker.contains("vcpkg")) {
auto &v = checker.create(toml, "vcpkg");
v.optional("url", vcpkg.url);
v.optional("version", vcpkg.version);
@ -582,7 +599,7 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
}
}
checker.check(conditions);
checker.check(conditions, true);
}
bool is_root_path(const std::string &path) {

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