83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
#ifndef shell_manager_hh_INCLUDED
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#define shell_manager_hh_INCLUDED
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#include "array_view.hh"
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#include "env_vars.hh"
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#include "string.hh"
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#include "utils.hh"
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#include "unique_descriptor.hh"
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#include "completion.hh"
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#include <signal.h>
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#include <sys/wait.h>
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#include <unistd.h>
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namespace Kakoune
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{
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class Context;
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struct ShellContext
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{
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ConstArrayView<String> params;
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EnvVarMap env_vars;
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};
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struct EnvVarDesc
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{
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using Retriever = Vector<String> (*)(StringView name, const Context&);
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StringView str;
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bool prefix;
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Retriever func;
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};
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inline void closepid(int pid){ kill(pid, SIGTERM); int status = 0; waitpid(pid, &status, 0); }
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using UniqueFd = UniqueDescriptor<::close>;
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using UniquePid = UniqueDescriptor<closepid>;
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struct Shell
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{
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UniquePid pid;
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UniqueFd in;
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UniqueFd out;
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UniqueFd err;
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};
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class ShellManager : public Singleton<ShellManager>
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{
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public:
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ShellManager(ConstArrayView<EnvVarDesc> builtin_env_vars);
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enum class Flags
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{
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None = 0,
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WaitForStdout = 1
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};
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friend constexpr bool with_bit_ops(Meta::Type<Flags>) { return true; }
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std::pair<String, int> eval(StringView cmdline, const Context& context,
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StringView input = {},
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Flags flags = Flags::WaitForStdout,
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const ShellContext& shell_context = {});
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Shell spawn(StringView cmdline,
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const Context& context,
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bool open_stdin,
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const ShellContext& shell_context = {});
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Vector<String> get_val(StringView name, const Context& context) const;
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CandidateList complete_env_var(StringView prefix, ByteCount cursor_pos) const;
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private:
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String m_shell;
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ConstArrayView<EnvVarDesc> m_env_vars;
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};
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}
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#endif // shell_manager_hh_INCLUDED
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