vcpkg/toolsrc/src/StatusParagraph.cpp

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#include "pch.h"
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#include "StatusParagraph.h"
#include "vcpkglib_helpers.h"
using namespace vcpkg::details;
namespace vcpkg
{
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//
namespace BinaryParagraphRequiredField
{
static const std::string STATUS = "Status";
}
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StatusParagraph::StatusParagraph() : want(Want::error), state(InstallState::ERROR_STATE)
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{
}
std::ostream& operator<<(std::ostream& os, const StatusParagraph& p)
{
os << p.package;
os << "Status: " << to_string(p.want) << " ok " << to_string(p.state) << "\n";
return os;
}
StatusParagraph::StatusParagraph(const std::unordered_map<std::string, std::string>& fields)
: package(fields)
{
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std::string status_field = required_field(fields, BinaryParagraphRequiredField::STATUS);
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auto b = status_field.begin();
auto mark = b;
auto e = status_field.end();
// Todo: improve error handling
while (b != e && *b != ' ')
++b;
want = [](const std::string& text)
{
if (text == "unknown")
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return Want::unknown;
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if (text == "install")
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return Want::install;
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if (text == "hold")
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return Want::hold;
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if (text == "deinstall")
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return Want::deinstall;
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if (text == "purge")
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return Want::purge;
return Want::error;
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}(std::string(mark, b));
if (std::distance(b, e) < 4)
return;
b += 4;
state = [](const std::string& text)
{
if (text == "not-installed")
return InstallState::NOT_INSTALLED;
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if (text == "installed")
return InstallState::INSTALLED;
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if (text == "half-installed")
return InstallState::HALF_INSTALLED;
return InstallState::ERROR_STATE;
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}(std::string(b, e));
}
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std::string to_string(InstallState f)
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{
switch (f)
{
case InstallState::HALF_INSTALLED: return "half-installed";
case InstallState::INSTALLED: return "installed";
case InstallState::NOT_INSTALLED: return "not-installed";
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default: return "error";
}
}
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std::string to_string(Want f)
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{
switch (f)
{
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case Want::deinstall: return "deinstall";
case Want::hold: return "hold";
case Want::install: return "install";
case Want::purge: return "purge";
case Want::unknown: return "unknown";
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default: return "error";
}
}
}