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97 lines
3.9 KiB
C++
97 lines
3.9 KiB
C++
#include "pch.h"
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#include "PackageSpec.h"
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#include "vcpkg_Util.h"
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namespace vcpkg
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{
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static bool is_valid_package_spec_char(char c)
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{
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return (c == '-') || isdigit(c) || (isalpha(c) && islower(c)) || (c == '[') || (c == ']');
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}
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ExpectedT<FullPackageSpec, PackageSpecParseResult> FullPackageSpec::from_string(const std::string& spec_as_string,
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const Triplet& default_triplet)
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{
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auto pos = spec_as_string.find(':');
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auto pos_l_bracket = spec_as_string.find('[');
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auto pos_r_bracket = spec_as_string.find(']');
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FullPackageSpec f;
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if (pos == std::string::npos && pos_l_bracket == std::string::npos)
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{
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f.package_spec =
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PackageSpec::from_name_and_triplet(spec_as_string, default_triplet).value_or_exit(VCPKG_LINE_INFO);
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return f;
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}
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else if (pos == std::string::npos)
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{
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if (pos_r_bracket == std::string::npos || pos_l_bracket >= pos_r_bracket)
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{
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return PackageSpecParseResult::INVALID_CHARACTERS;
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}
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const std::string name = spec_as_string.substr(0, pos_l_bracket);
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f.package_spec = PackageSpec::from_name_and_triplet(name, default_triplet).value_or_exit(VCPKG_LINE_INFO);
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f.features = parse_comma_list(spec_as_string.substr(pos_l_bracket + 1, pos_r_bracket - pos_l_bracket - 1));
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return f;
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}
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else if (pos_l_bracket == std::string::npos && pos_r_bracket == std::string::npos)
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{
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const std::string name = spec_as_string.substr(0, pos);
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const Triplet triplet = Triplet::from_canonical_name(spec_as_string.substr(pos + 1));
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f.package_spec = PackageSpec::from_name_and_triplet(name, triplet).value_or_exit(VCPKG_LINE_INFO);
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}
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else
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{
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if (pos_r_bracket == std::string::npos || pos_l_bracket >= pos_r_bracket)
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{
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return PackageSpecParseResult::INVALID_CHARACTERS;
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}
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const std::string name = spec_as_string.substr(0, pos_l_bracket);
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f.features = parse_comma_list(spec_as_string.substr(pos_l_bracket + 1, pos_r_bracket - pos_l_bracket - 1));
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const Triplet triplet = Triplet::from_canonical_name(spec_as_string.substr(pos + 1));
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f.package_spec = PackageSpec::from_name_and_triplet(name, triplet).value_or_exit(VCPKG_LINE_INFO);
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}
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auto pos2 = spec_as_string.find(':', pos + 1);
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if (pos2 != std::string::npos)
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{
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return PackageSpecParseResult::TOO_MANY_COLONS;
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}
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return f;
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}
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ExpectedT<PackageSpec, PackageSpecParseResult> PackageSpec::from_name_and_triplet(const std::string& name,
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const Triplet& triplet)
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{
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if (Util::find_if_not(name, is_valid_package_spec_char) != name.end())
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{
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return PackageSpecParseResult::INVALID_CHARACTERS;
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}
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PackageSpec p;
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p.m_name = name;
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p.m_triplet = triplet;
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return p;
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}
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const std::string& PackageSpec::name() const { return this->m_name; }
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const Triplet& PackageSpec::triplet() const { return this->m_triplet; }
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std::string PackageSpec::dir() const { return Strings::format("%s_%s", this->m_name, this->m_triplet); }
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std::string PackageSpec::to_string(const std::string& name, const Triplet& triplet)
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{
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return Strings::format("%s:%s", name, triplet);
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}
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std::string PackageSpec::to_string() const { return to_string(this->name(), this->triplet()); }
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bool operator==(const PackageSpec& left, const PackageSpec& right)
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{
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return left.name() == right.name() && left.triplet() == right.triplet();
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}
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bool operator!=(const PackageSpec& left, const PackageSpec& right) { return !(left == right); }
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}
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