diff options
Diffstat (limited to 'toolsrc/src/vcpkg/packagespec.cpp')
| -rw-r--r-- | toolsrc/src/vcpkg/packagespec.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/toolsrc/src/vcpkg/packagespec.cpp b/toolsrc/src/vcpkg/packagespec.cpp new file mode 100644 index 000000000..6e40d70f5 --- /dev/null +++ b/toolsrc/src/vcpkg/packagespec.cpp @@ -0,0 +1,175 @@ +#include "pch.h" + +#include <vcpkg/base/util.h> +#include <vcpkg/packagespec.h> +#include <vcpkg/parse.h> + +using vcpkg::Parse::parse_comma_list; + +namespace vcpkg +{ + static bool is_valid_package_spec_char(char c) + { + return (c == '-') || isdigit(c) || (isalpha(c) && islower(c)) || (c == '[') || (c == ']'); + } + + std::string FeatureSpec::to_string() const + { + if (feature().empty()) return spec().to_string(); + return Strings::format("%s[%s]:%s", name(), feature(), triplet()); + } + + std::vector<FeatureSpec> FeatureSpec::from_strings_and_triplet(const std::vector<std::string>& depends, + const Triplet& triplet) + { + std::vector<FeatureSpec> f_specs; + for (auto&& depend : depends) + { + auto maybe_spec = ParsedSpecifier::from_string(depend); + if (auto spec = maybe_spec.get()) + { + Checks::check_exit(VCPKG_LINE_INFO, + spec->triplet.empty(), + "error: triplets cannot currently be specified in this context: %s", + depend); + PackageSpec pspec = + PackageSpec::from_name_and_triplet(spec->name, triplet).value_or_exit(VCPKG_LINE_INFO); + + for (auto&& feature : spec->features) + f_specs.push_back(FeatureSpec{pspec, feature}); + + if (spec->features.empty()) f_specs.push_back(FeatureSpec{pspec, ""}); + } + else + { + Checks::exit_with_message(VCPKG_LINE_INFO, + "error while parsing feature list: %s: %s", + vcpkg::to_string(maybe_spec.error()), + depend); + } + } + return f_specs; + } + + std::vector<FeatureSpec> FullPackageSpec::to_feature_specs(const std::vector<FullPackageSpec>& specs) + { + std::vector<FeatureSpec> ret; + for (auto&& spec : specs) + { + ret.emplace_back(spec.package_spec, ""); + for (auto&& feature : spec.features) + ret.emplace_back(spec.package_spec, feature); + } + return ret; + } + + ExpectedT<FullPackageSpec, PackageSpecParseResult> FullPackageSpec::from_string(const std::string& spec_as_string, + const Triplet& default_triplet) + { + auto res = ParsedSpecifier::from_string(spec_as_string); + if (auto p = res.get()) + { + FullPackageSpec fspec; + Triplet t = p->triplet.empty() ? default_triplet : Triplet::from_canonical_name(p->triplet); + fspec.package_spec = PackageSpec::from_name_and_triplet(p->name, t).value_or_exit(VCPKG_LINE_INFO); + fspec.features = std::move(p->features); + return fspec; + } + return res.error(); + } + + ExpectedT<PackageSpec, PackageSpecParseResult> PackageSpec::from_name_and_triplet(const std::string& name, + const Triplet& triplet) + { + if (Util::find_if_not(name, is_valid_package_spec_char) != name.end()) + { + return PackageSpecParseResult::INVALID_CHARACTERS; + } + + PackageSpec p; + p.m_name = name; + p.m_triplet = triplet; + return p; + } + + const std::string& PackageSpec::name() const { return this->m_name; } + + const Triplet& PackageSpec::triplet() const { return this->m_triplet; } + + std::string PackageSpec::dir() const { return Strings::format("%s_%s", this->m_name, this->m_triplet); } + + std::string PackageSpec::to_string() const { return Strings::format("%s:%s", this->name(), this->triplet()); } + + bool operator==(const PackageSpec& left, const PackageSpec& right) + { + return left.name() == right.name() && left.triplet() == right.triplet(); + } + + bool operator!=(const PackageSpec& left, const PackageSpec& right) { return !(left == right); } + + ExpectedT<ParsedSpecifier, PackageSpecParseResult> ParsedSpecifier::from_string(const std::string& input) + { + auto pos = input.find(':'); + auto pos_l_bracket = input.find('['); + auto pos_r_bracket = input.find(']'); + + ParsedSpecifier f; + if (pos == std::string::npos && pos_l_bracket == std::string::npos) + { + f.name = input; + return f; + } + else if (pos == std::string::npos) + { + if (pos_r_bracket == std::string::npos || pos_l_bracket >= pos_r_bracket) + { + return PackageSpecParseResult::INVALID_CHARACTERS; + } + const std::string name = input.substr(0, pos_l_bracket); + f.name = name; + f.features = parse_comma_list(input.substr(pos_l_bracket + 1, pos_r_bracket - pos_l_bracket - 1)); + return f; + } + else if (pos_l_bracket == std::string::npos && pos_r_bracket == std::string::npos) + { + const std::string name = input.substr(0, pos); + f.triplet = input.substr(pos + 1); + f.name = name; + } + else + { + if (pos_r_bracket == std::string::npos || pos_l_bracket >= pos_r_bracket) + { + return PackageSpecParseResult::INVALID_CHARACTERS; + } + const std::string name = input.substr(0, pos_l_bracket); + f.features = parse_comma_list(input.substr(pos_l_bracket + 1, pos_r_bracket - pos_l_bracket - 1)); + f.triplet = input.substr(pos + 1); + f.name = name; + } + + auto pos2 = input.find(':', pos + 1); + if (pos2 != std::string::npos) + { + return PackageSpecParseResult::TOO_MANY_COLONS; + } + return f; + } + + ExpectedT<Features, PackageSpecParseResult> Features::from_string(const std::string& name) + { + auto maybe_spec = ParsedSpecifier::from_string(name); + if (auto spec = maybe_spec.get()) + { + Checks::check_exit( + VCPKG_LINE_INFO, spec->triplet.empty(), "error: triplet not allowed in specifier: %s", name); + + Features f; + f.name = spec->name; + f.features = spec->features; + return f; + } + + return maybe_spec.error(); + } +} |