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#include "pch.h"
#include "SourceParagraph.h"
#include "vcpkglib_helpers.h"
#include "vcpkg_System.h"
#include "vcpkg_Maps.h"
#include "Triplet.h"
#include "vcpkg_Checks.h"
namespace vcpkg
{
//
namespace SourceParagraphRequiredField
{
static const std::string SOURCE = "Source";
static const std::string VERSION = "Version";
}
namespace SourceParagraphOptionalField
{
static const std::string DESCRIPTION = "Description";
static const std::string MAINTAINER = "Maintainer";
static const std::string BUILD_DEPENDS = "Build-Depends";
}
static const std::vector<std::string>& get_list_of_valid_fields()
{
static const std::vector<std::string> valid_fields =
{
SourceParagraphRequiredField::SOURCE,
SourceParagraphRequiredField::VERSION,
SourceParagraphOptionalField::DESCRIPTION,
SourceParagraphOptionalField::MAINTAINER,
SourceParagraphOptionalField::BUILD_DEPENDS
};
return valid_fields;
}
SourceParagraph::SourceParagraph() = default;
SourceParagraph::SourceParagraph(std::unordered_map<std::string, std::string> fields)
{
this->name = details::remove_required_field(&fields, SourceParagraphRequiredField::SOURCE);
this->version = details::remove_required_field(&fields, SourceParagraphRequiredField::VERSION);
this->description = details::remove_optional_field(&fields, SourceParagraphOptionalField::DESCRIPTION);
this->maintainer = details::remove_optional_field(&fields, SourceParagraphOptionalField::MAINTAINER);
std::string deps = details::remove_optional_field(&fields, SourceParagraphOptionalField::BUILD_DEPENDS);
this->depends = expand_qualified_dependencies(parse_depends(deps));
if (!fields.empty())
{
const std::vector<std::string> remaining_fields = Maps::extract_keys(fields);
const std::vector<std::string>& valid_fields = get_list_of_valid_fields();
const std::string remaining_fields_as_string = Strings::join("\n ", remaining_fields);
const std::string valid_fields_as_string = Strings::join("\n ", valid_fields);
System::println(System::color::error, "Error: There are invalid fields in the Source Paragraph of %s", this->name);
System::println("The following fields were not expected:\n\n %s\n\n", remaining_fields_as_string);
System::println("This is the list of valid fields (case-sensitive): \n\n %s\n", valid_fields_as_string);
Checks::exit_fail(VCPKG_LINE_INFO);
}
}
std::vector<Dependency> vcpkg::expand_qualified_dependencies(const std::vector<std::string>& depends)
{
auto convert = [&](const std::string& depend_string) -> Dependency {
auto pos = depend_string.find(' ');
if (pos == std::string::npos)
return{ depend_string, "" };
// expect of the form "\w+ \[\w+\]"
Dependency dep;
dep.name = depend_string.substr(0, pos);
if (depend_string.c_str()[pos + 1] != '[' || depend_string[depend_string.size() - 1] != ']')
{
// Error, but for now just slurp the entire string.
return{ depend_string, "" };
}
dep.qualifier = depend_string.substr(pos + 2, depend_string.size() - pos - 3);
return dep;
};
std::vector<vcpkg::Dependency> ret;
for (auto&& depend_string : depends)
{
ret.push_back(convert(depend_string));
}
return ret;
}
std::vector<std::string> parse_depends(const std::string& depends_string)
{
if (depends_string.empty())
{
return{};
}
std::vector<std::string> out;
size_t cur = 0;
do
{
auto pos = depends_string.find(',', cur);
if (pos == std::string::npos)
{
out.push_back(depends_string.substr(cur));
break;
}
out.push_back(depends_string.substr(cur, pos - cur));
// skip comma and space
++pos;
if (depends_string[pos] == ' ')
{
++pos;
}
cur = pos;
} while (cur != std::string::npos);
return out;
}
std::vector<std::string> filter_dependencies(const std::vector<vcpkg::Dependency>& deps, const Triplet& t)
{
std::vector<std::string> ret;
for (auto&& dep : deps)
{
if (dep.qualifier.empty() || t.canonical_name().find(dep.qualifier) != std::string::npos)
{
ret.push_back(dep.name);
}
}
return ret;
}
std::ostream & operator<<(std::ostream & os, const Dependency & p)
{
os << p.name;
return os;
}
}
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