cpp/ReadLine.cpp

   1 #include "ReadLine.h"
   2 #include "String.h"
   3
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <unistd.h>
   7
   8 #include <readline/readline.h>
   9 #include <readline/history.h>
  10 #include <readline/tilde.h>
  11
  12 ReadLine::ReadLine(const String& historyFile)
  13 : m_historyPath(copyAndFree(tilde_expand(historyFile.c_str())))
  14 {
  15     read_history(m_historyPath.c_str());
  16 }
  17
  18 ReadLine::~ReadLine()
  19 {
  20 }
  21
  22 bool ReadLine::get(const String& prompt, String& out)
  23 {
  24     char *line = readline(prompt.c_str());
  25     if (line == NULL) {
  26         return false;
  27     }
  28     add_history(line); // Add input to in-memory history
  29     append_history(1, m_historyPath.c_str());
  30
  31     out = line;
  32
  33     return true;
  34 }