Make a Lisp
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/*
* Copyright (C) 2023 Riyyi
*
* SPDX-License-Identifier: MIT
*/
#include <cstdlib> // std::free
#include <iostream> // FILE
#include <readline/history.h>
#include <readline/readline.h>
#include <readline/tilde.h>
#include <string>
#include <string_view>
#include "ruc/format/color.h"
#include "readline.h"
namespace blaze {
Readline::Readline(bool pretty_print, std::string_view history_path)
: m_pretty_print(pretty_print)
, m_history_path(tilde_expand(history_path.data()))
{
if (!pretty_print) {
m_prompt = "user> ";
}
else {
m_prompt = format(fg(ruc::format::TerminalColor::Blue), "user>");
m_prompt += format(" \033[1m");
}
read_history(m_history_path);
}
Readline::~Readline()
{
std::free(m_history_path);
}
// -----------------------------------------
bool Readline::get(std::string& output)
{
char* line = readline(m_prompt.c_str());
if (line == nullptr) {
return false;
}
// Add input to in-memory history
add_history(line);
append_history(1, m_history_path);
output = line;
std::free(line);
return true;
}
} // namespace blaze