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#include "vcpkg_Commands.h"
#include "vcpkg_System.h"
#include "vcpkg_Files.h"
#include "vcpkg.h"
namespace vcpkg
{
template <class Pred>
static void do_print(const vcpkg_paths& paths, Pred predicate)
{
auto it = fs::directory_iterator(paths.packages);
const fs::directory_iterator end_it = fs::directory_iterator();
if (it == end_it)
{
System::println("No packages are cached.");
exit(EXIT_SUCCESS);
}
for (; it != end_it; ++it)
{
const fs::path& path = it->path();
try
{
auto file_contents = Files::get_contents(path / "CONTROL");
if (auto text = file_contents.get())
{
auto pghs = parse_paragraphs(*text);
if (pghs.size() != 1)
continue;
const BinaryParagraph src = BinaryParagraph(pghs[0]);
const std::string displayname = src.displayname();
if (predicate(displayname))
{
System::println(displayname.c_str());
}
}
}
catch (std::runtime_error const&)
{
}
}
}
void cache_command(const vcpkg_cmd_arguments& args, const vcpkg_paths& paths)
{
static const std::string example = Strings::format(
"The argument should be a substring to search for, or no argument to display all cached libraries.\n%s", create_example_string("cache png"));
args.check_max_arg_count(1, example.c_str());
if (args.command_arguments.size() == 0)
{
do_print(paths, [](const std::string&) -> bool
{
return true;
});
exit(EXIT_SUCCESS);
}
// At this point there is 1 argument
do_print(paths, [&](const std::string& port_name) -> bool
{
return Strings::case_insensitive_ascii_find(port_name, args.command_arguments[0]) != port_name.end();
});
exit(EXIT_SUCCESS);
}
}
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