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#include "pch.h"
#include "vcpkg_Commands.h"
#include "vcpkg_System.h"
#include "vcpkg_Files.h"
#include "Paragraphs.h"
#include "BinaryParagraph.h"
namespace vcpkg::Commands::Cache
{
static std::vector<BinaryParagraph> read_all_binary_paragraphs(const vcpkg_paths& paths)
{
std::vector<BinaryParagraph> output;
for (auto it = fs::directory_iterator(paths.packages); it != fs::directory_iterator(); ++it)
{
const fs::path& path = it->path();
try
{
auto file_contents = Files::read_contents(path / "CONTROL");
if (auto text = file_contents.get())
{
auto pghs = Paragraphs::parse_paragraphs(*text);
if (pghs.size() != 1)
continue;
const BinaryParagraph binary_paragraph = BinaryParagraph(pghs[0]);
output.push_back(binary_paragraph);
}
}
catch (std::runtime_error const&)
{
}
}
return output;
}
void perform_and_exit(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", Commands::Help::create_example_string("cache png"));
args.check_max_arg_count(1, example);
const std::vector<BinaryParagraph> binary_paragraphs = read_all_binary_paragraphs(paths);
if (binary_paragraphs.empty())
{
System::println("No packages are cached.");
exit(EXIT_SUCCESS);
}
if (args.command_arguments.size() == 0)
{
for (const BinaryParagraph& binary_paragraph : binary_paragraphs)
{
const std::string displayname = binary_paragraph.displayname();
System::println(displayname);
}
}
else
{
// At this point there is 1 argument
for (const BinaryParagraph& binary_paragraph : binary_paragraphs)
{
const std::string displayname = binary_paragraph.displayname();
if (Strings::case_insensitive_ascii_find(displayname, args.command_arguments[0]) == displayname.end())
{
continue;
}
System::println(displayname);
}
}
exit(EXIT_SUCCESS);
}
}
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