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#include "pch.h"
#include "PackageSpec.h"
#include "vcpkg_Parse.h"
#include "vcpkg_Util.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, Strings::EMPTY});
}
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, Strings::EMPTY);
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();
}
}
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