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#include "vcpkg_Checks.h"
#include "vcpkglib_helpers.h"
#include <unordered_map>
namespace vcpkg {namespace details
{
void optional_field(const std::unordered_map<std::string, std::string>& fields, std::string& out, const std::string& fieldname)
{
auto it = fields.find(fieldname);
if (it == fields.end())
{
out.clear();
}
else
{
out = it->second;
}
};
void required_field(const std::unordered_map<std::string, std::string>& fields, std::string& out, const std::string& fieldname)
{
auto it = fields.find(fieldname);
vcpkg::Checks::check_throw(it != fields.end(), "Required field not present: %s", fieldname);
out = it->second;
};
void parse_depends(const std::string& depends_string, 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));
return;
}
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);
}
}}
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