57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
#include "bed.h"
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#include "internal/functions/functions.h"
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#include "internal/functions/suffixes.h"
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namespace bed::internal::functions {
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void Function::register_extented(BEd &ctx) {
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ctx.functions.insert(
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"cd",
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Function{
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.address_kind = Function::AddressKind::None,
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.argument_kind = Function::ArgumentKind::Any,
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.input_mode = Function::InputMode::None,
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.desc = "Change directory.",
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.default_address = "",
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.accept_zero = false,
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.pre_text_mode = nullptr,
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.handle = [](BEd &, const buffer::Address &, vase::Shard *, const Argument &arg_, std::vector<buffer::Line> *) {
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auto path = std::get<std::string>(arg_);
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const auto first = path.find_first_not_of(" \t");
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const auto last = path.find_last_not_of(" \t");
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path = path.substr(first, last - first + 1);
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if (path.empty())
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path = getenv("HOME");
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if (path == "~")
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path = getenv("HOME");
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if (path.starts_with("~/")) {
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const char *home = getenv("HOME");
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if (home)
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path = std::string(home) + path.substr(1);
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}
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if (first != std::string::npos)
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if (chdir(path.c_str()) == -1)
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throw ed_error("Can't change directory.");
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},
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}
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);
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ctx.functions.insert(
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"pwd",
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Function{
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.address_kind = Function::AddressKind::None,
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.argument_kind = Function::ArgumentKind::None,
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.input_mode = Function::InputMode::None,
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.desc = "Print directory.",
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.default_address = "",
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.accept_zero = false,
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.pre_text_mode = nullptr,
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.handle = [](BEd &ctx, const buffer::Address &, vase::Shard *, const Argument &, std::vector<buffer::Line> *) {
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char cwd[PATH_MAX];
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if (!getcwd(cwd, sizeof(cwd)))
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throw ed_error("Can't determine current directory.");
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ctx.io.write_line(cwd);
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},
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}
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);
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}
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} // namespace bed::internal::functions
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