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Simplify readline support

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And don't use std::mutex
This commit is contained in:
Howard Chu 2017-08-21 12:55:06 +01:00
parent 4466b6d1b0
commit c088d38a57
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GPG key ID: FD2A70B44AB11BA7
3 changed files with 88 additions and 143 deletions
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28
contrib/epee/include/console_handler.h
View file

@ -52,11 +52,10 @@ namespace epee
, m_has_read_request(false)
, m_read_status(state_init)
{
m_reader_thread = boost::thread(std::bind(&async_stdin_reader::reader_thread_func, this));
#ifdef HAVE_READLINE
m_readline_buffer.start();
m_readline_thread = boost::thread(std::bind(&async_stdin_reader::readline_thread_func, this));
#endif
m_reader_thread = boost::thread(std::bind(&async_stdin_reader::reader_thread_func, this));
}
~async_stdin_reader()
@ -115,7 +114,6 @@ namespace epee
m_reader_thread.join();
#ifdef HAVE_READLINE
m_readline_buffer.stop();
m_readline_thread.join();
#endif
}
}
@ -193,16 +191,6 @@ namespace epee
return true;
}
#ifdef HAVE_READLINE
void readline_thread_func()
{
while (m_run.load(std::memory_order_relaxed))
{
m_readline_buffer.process();
}
}
#endif
void reader_thread_func()
{
while (true)
@ -212,12 +200,20 @@ namespace epee
std::string line;
bool read_ok = true;
#ifdef HAVE_READLINE
reread:
#endif
if (wait_stdin_data())
{
if (m_run.load(std::memory_order_relaxed))
{
#ifdef HAVE_READLINE
m_readline_buffer.get_line(line);
switch (m_readline_buffer.get_line(line))
{
case rdln::empty: goto eof;
case rdln::partial: goto reread;
case rdln::full: break;
}
#else
std::getline(std::cin, line);
#endif
@ -229,6 +225,9 @@ namespace epee
read_ok = false;
}
if (std::cin.eof()) {
#ifdef HAVE_READLINE
eof:
#endif
m_read_status = state_eos;
m_response_cv.notify_one();
break;
@ -263,7 +262,6 @@ namespace epee
boost::thread m_reader_thread;
std::atomic<bool> m_run;
#ifdef HAVE_READLINE
boost::thread m_readline_thread;
rdln::readline_buffer m_readline_buffer;
#endif

6
contrib/epee/include/readline_buffer.h
View file

@ -8,25 +8,25 @@
namespace rdln
{
typedef enum { empty, partial, full } linestatus;
class readline_buffer : public std::stringbuf
{
public:
readline_buffer();
void start();
void stop();
int process();
bool is_running() const
{
return m_cout_buf != NULL;
}
void get_line(std::string& line) const;
linestatus get_line(std::string& line) const;
void set_prompt(const std::string& prompt);
static void add_completion(const std::string& command);
static const std::vector<std::string>& get_completions();
protected:
virtual int sync();
private:
std::streambuf* m_cout_buf;
static std::vector<std::string>& completion_commands();