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Implement stronger type checking for optional values

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vcpkg-wip
Duncan Ogilvie 4 years ago
parent 783f343e40
commit d62dff29b1
2 changed files with 54 additions and 51 deletions
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101
src/cmkrlib/cmake.cpp
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@ -33,9 +33,12 @@ static EnumType to_enum(const std::string &str, const std::string &help_name) {
return value;
}
static std::vector<std::string> optional_array(const TomlBasicValue &v, const toml::key &ky) {
return toml::find_or(v, ky, std::vector<std::string>());
};
template <typename T>
static void get_optional(const TomlBasicValue &v, const toml::key &ky, T &destination) {
if (v.contains(ky)) {
destination = toml::find<T>(v, ky);
}
}
CMake::CMake(const std::string &path, bool build) {
if (!fs::exists(fs::path(path) / "cmake.toml")) {
@ -50,38 +53,38 @@ CMake::CMake(const std::string &path, bool build) {
throw std::runtime_error("bin-dir has been renamed to build-dir");
}
build_dir = toml::find_or(cmake, "build-dir", build_dir);
generator = toml::find_or(cmake, "generator", generator);
config = toml::find_or(cmake, "config", config);
gen_args = optional_array(cmake, "arguments");
get_optional(cmake, "build-dir", build_dir);
get_optional(cmake, "generator", generator);
get_optional(cmake, "config", config);
get_optional(cmake, "arguments", gen_args);
}
} else {
if (toml.contains("cmake")) {
const auto &cmake = toml::find(toml, "cmake");
cmake_version = toml::find(cmake, "version").as_string();
cmkr_include = toml::find_or(cmake, "cmkr-include", cmkr_include);
cppflags = optional_array(cmake, "cpp-flags");
cflags = optional_array(cmake, "c-flags");
linkflags = optional_array(cmake, "link-flags");
get_optional(cmake, "cmkr-include", cmkr_include);
get_optional(cmake, "cpp-flags", cppflags);
get_optional(cmake, "c-flags", cflags);
get_optional(cmake, "link-flags", linkflags);
}
if (toml.contains("project")) {
const auto &project = toml::find(toml, "project");
project_name = toml::find(project, "name").as_string();
project_version = toml::find_or(project, "version", "");
project_description = toml::find_or(project, "description", "");
project_languages = optional_array(project, "languages");
cmake_before = toml::find_or(project, "cmake-before", "");
cmake_after = toml::find_or(project, "cmake-after", "");
include_before = optional_array(project, "include-before");
include_after = optional_array(project, "include-after");
subdirs = optional_array(project, "subdirs");
get_optional(project, "version", project_version);
get_optional(project, "description", project_description);
get_optional(project, "languages", project_languages);
get_optional(project, "cmake-before", cmake_before);
get_optional(project, "cmake-after", cmake_after);
get_optional(project, "include-before", include_before);
get_optional(project, "include-after", include_after);
get_optional(project, "subdirs", subdirs);
}
if (toml.contains("settings")) {
using set_map = std::map<std::string, TomlBasicValue>;
const auto &sets = toml::find<set_map>(toml, "settings");
for (const auto set : sets) {
for (const auto &set : sets) {
Setting s;
s.name = set.first;
if (set.second.is_boolean()) {
@ -89,7 +92,7 @@ CMake::CMake(const std::string &path, bool build) {
} else if (set.second.is_string()) {
s.val = set.second.as_string();
} else {
s.comment = toml::find_or(set.second, "comment", "");
get_optional(set.second, "comment", s.comment);
if (set.second.contains("value")) {
auto v = toml::find(set.second, "value");
if (v.is_boolean()) {
@ -98,8 +101,8 @@ CMake::CMake(const std::string &path, bool build) {
s.val = v.as_string();
}
}
s.cache = toml::find_or(set.second, "cache", false);
s.force = toml::find_or(set.second, "force", false);
get_optional(set.second, "cache", s.cache);
get_optional(set.second, "force", s.force);
}
settings.push_back(s);
}
@ -108,14 +111,14 @@ CMake::CMake(const std::string &path, bool build) {
if (toml.contains("options")) {
using opts_map = tsl::ordered_map<std::string, TomlBasicValue>;
const auto &opts = toml::find<opts_map>(toml, "options");
for (const auto opt : opts) {
for (const auto &opt : opts) {
Option o;
o.name = opt.first;
if (opt.second.is_boolean()) {
o.val = opt.second.as_boolean();
} else {
o.comment = toml::find_or(opt.second, "comment", "");
o.val = toml::find_or(opt.second, "value", false);
get_optional(opt.second, "comment", o.comment);
get_optional(opt.second, "value", o.val);
}
options.push_back(o);
}
@ -130,17 +133,17 @@ CMake::CMake(const std::string &path, bool build) {
if (pkg.second.is_string()) {
p.version = pkg.second.as_string();
} else {
p.version = toml::find_or(pkg.second, "version", p.version);
p.required = toml::find_or(pkg.second, "required", p.required);
p.config = toml::find_or(pkg.second, "config", p.config);
p.components = toml::find_or(pkg.second, "components", p.components);
get_optional(pkg.second, "version", p.version);
get_optional(pkg.second, "required", p.required);
get_optional(pkg.second, "config", p.config);
get_optional(pkg.second, "components", p.components);
}
packages.push_back(p);
}
}
// TODO: refactor to std::vector<Content> instead of this hacky thing?
contents = toml::find_or<decltype(contents)>(toml, "fetch-content", {});
get_optional(toml, "fetch-content", contents);
if (toml.contains("bin")) {
throw std::runtime_error("[[bin]] has been renamed to [[target]]");
@ -155,7 +158,7 @@ CMake::CMake(const std::string &path, bool build) {
target.name = itr.first;
target.type = to_enum<TargetType>(toml::find(t, "type").as_string(), "target type");
target.sources = optional_array(t, "sources");
get_optional(t, "sources", target.sources);
#define renamed(from, to) \
if (t.contains(from)) { \
@ -169,14 +172,14 @@ CMake::CMake(const std::string &path, bool build) {
#undef renamed
target.compile_definitions = optional_array(t, "compile-definitions");
target.compile_features = optional_array(t, "compile-features");
target.compile_options = optional_array(t, "compile-options");
target.include_directories = optional_array(t, "include-directories");
target.link_directories = optional_array(t, "link-directories");
target.link_libraries = optional_array(t, "link-libraries");
target.link_options = optional_array(t, "link-options");
target.precompile_headers = optional_array(t, "precompile-headers");
get_optional(t, "compile-definitions", target.compile_definitions);
get_optional(t, "compile-features", target.compile_features);
get_optional(t, "compile-options", target.compile_options);
get_optional(t, "include-directories", target.include_directories);
get_optional(t, "link-directories", target.link_directories);
get_optional(t, "link-libraries", target.link_libraries);
get_optional(t, "link-options", target.link_options);
get_optional(t, "precompile-headers", target.precompile_headers);
if (t.contains("alias")) {
target.alias = toml::find(t, "alias").as_string();
@ -187,10 +190,10 @@ CMake::CMake(const std::string &path, bool build) {
target.properties = toml::find<prop_map>(t, "properties");
}
target.cmake_before = toml::find_or(t, "cmake-before", target.cmake_before);
target.cmake_after = toml::find_or(t, "cmake-after", target.cmake_after);
target.include_before = optional_array(t, "include-before");
target.include_after = optional_array(t, "include-after");
get_optional(t, "cmake-before", target.cmake_before);
get_optional(t, "cmake-after", target.cmake_after);
get_optional(t, "include-before", target.include_before);
get_optional(t, "include-after", target.include_after);
targets.push_back(target);
}
@ -202,7 +205,7 @@ CMake::CMake(const std::string &path, bool build) {
Test test;
test.name = toml::find(t, "name").as_string();
test.cmd = toml::find(t, "type").as_string();
test.args = optional_array(t, "arguments");
get_optional(t, "arguments", test.args);
tests.push_back(test);
}
}
@ -211,10 +214,10 @@ CMake::CMake(const std::string &path, bool build) {
const auto &ts = toml::find(toml, "install").as_array();
for (const auto &t : ts) {
Install inst;
inst.targets = optional_array(t, "targets");
inst.files = optional_array(t, "files");
inst.dirs = optional_array(t, "dirs");
inst.configs = optional_array(t, "configs");
get_optional(t, "targets", inst.targets);
get_optional(t, "files", inst.files);
get_optional(t, "dirs", inst.dirs);
get_optional(t, "configs", inst.configs);
inst.destination = toml::find(t, "destination").as_string();
installs.push_back(inst);
}

4
src/cmkrlib/cmake.hpp
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@ -21,7 +21,7 @@ struct Setting {
struct Option {
std::string name;
std::string comment;
bool val;
bool val = false;
};
struct Package {
@ -48,7 +48,7 @@ enum TargetType {
struct Target {
std::string name;
TargetType type;
TargetType type = {};
// https://cmake.org/cmake/help/latest/manual/cmake-commands.7.html#project-commands
std::vector<std::string> compile_definitions;

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