From e5e56b66c0d9fc5d191a3c43f018f8774edfb4da Mon Sep 17 00:00:00 2001
From: Dominique Fournier <dominique@fournier38.fr>
Date: Wed, 13 Jun 2018 12:12:54 +0000
Subject: [PATCH] console : allow to set the user proposition when using
 readline console : manage correctely the backspace

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@4239 bf3deb0d-5f1a-0410-827f-c0cc1f45334c
---
 console.php | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/console.php b/console.php
index d7f7b63..1ffa55a 100644
--- a/console.php
+++ b/console.php
@@ -232,21 +232,28 @@ private $usleep = 0;
   /** Get the line of characters pressed by the user and return the result.
     * Stop when the user valid by \n.
     * Manage correctely the backspace, the Ctrl+W to remove word...
+    * @param string $propo Preset the text for the user
+    * @param bool|string $stopperChar The chars to stop the analysis and return
+    * the result
     * @return The typed string
     */
-  public function readline ($stopperChar = false)
+  public function readline ($propo = "", $stopperChar = false)
   // {{{
   {
     // Gets can not delete chars before the call. Keep the prompt (if exists)
+    if (! is_string ($propo))
+      $this->consoleException ("Invalid proposition provided to readline");
     $prompt = $this->lineContent;
     $minLength = mb_strlen ($this->lineContent) + 1;
-    // The cursor position from first char of line.
-    $cursorPos = $minLength;
     // Manage the history and a temporary buffer if the user has already type
     // something before calling the history
     $historyTmp = "";
     $historyPos = count ($this->history);
-    $string = "";
+    $string = $propo;
+    echo $string;
+    $this->lineContent = $prompt.$string;
+    // The cursor position from last char of line.
+    $cursorPos = mb_strlen ($this->lineContent) + 1;
     while (1)
     {
       $char = $this->getKey ();
@@ -368,11 +375,11 @@ private $usleep = 0;
       // Remove the previous char (Backspace)
       // {{{
       {
-        if ($cursorPos -1 <= $minLength)
+        if ($cursorPos <= $minLength)
           continue;
         $strArr = $this->mb_str_split ($string);
         $cursorPos--;
-        unset ($strArr[$cursorPos - $minLength - 1]);
+        unset ($strArr[$cursorPos - $minLength]);
         $string = implode ($strArr);
         $this->rewriteLine ($prompt.$string);
         $this->moveCursor ($cursorPos);