Added primitive authentification support

1 files changed, 107 insertions, 0 deletions

diff --git a/libterm/term_io.c b/libterm/term_io.c
index 5ef682b..cd1b3c1 100644
--- a/libterm/term_io.c
+++ b/libterm/term_io.c
@@ -102,4 +102,111 @@ int term_getc( term_screen *ts )
 	return ret;
 }
 
+int term_putc( term_screen *ts, char c )
+{
+	int ret = 0;
+	int fret = -1;
 
+	fret = write( ts->ofd, &c, 1 );
+	if ( fret != 1 )
+	{
+		ret = -1;
+	}
+
+	return ret;
+}
+
+//return amoutn fo characters readed
+//on error or if nothing is imputed 0 returned
+int term_readline( term_screen *ts, char *str, size_t str_size, int flag )
+{
+	int ret = 0;
+	int max_row, max_column;
+	char *buf = NULL;
+	int buf_size = str_size-1;
+	int buf_curent = 0;
+	int menu_input=0;
+	char menu_cmd = 0;
+	int orig_row;
+	int orig_col;
+
+	buf = malloc( buf_size );
+	memset( buf, 0, buf_size );
+
+	max_row = term_get_maxrow( ts );
+	max_column = term_get_maxcol( ts );
+	orig_row = term_cur_get_r( ts );
+	orig_col = term_cur_get_c( ts );
+
+	menu_cmd = 0;
+	buf_curent = 0;
+	while ( menu_cmd != TK_ESC )
+	{
+		menu_input = term_getc( ts );
+		if ( menu_input != -1 )
+		{
+			menu_cmd = (char)menu_input;
+			//add to buffer any pritable char
+			//if ( (isgraph( menu_cmd ) && flag == READLINE_TEXT ) ||
+			//     (isalpha( menu_cmd ) && flag == READLINE_ALPHA ) )
+			if ( isalpha( menu_cmd ) )
+			{
+				if ( buf_curent < buf_size )
+				{
+					buf[ buf_curent ] = menu_cmd;
+					buf_curent += 1;
+				}
+			//deleteone char from buffer
+			} else if ( menu_cmd == TK_BACKSPACE )
+			{
+				if ( buf_curent > 0)
+				{
+					buf[ buf_curent ] = 0x0;
+					buf_curent -= 1;
+				}
+			//input ready
+			} else if ( menu_cmd == TK_ENTER )
+			{
+				ret = buf_curent;
+				memcpy( str, buf, buf_size );
+				str[ str_size-1 ] = 0x0;
+				break;
+			} else if ( menu_cmd == TK_ESC )
+			{
+				ret = -1;
+			}
+
+			{
+				int i;
+				term_cur_set_r( ts, orig_row );
+				term_cur_set_c( ts, orig_col );
+				for (i=0;i<buf_size;i++)
+				{
+					if ( i < buf_curent )
+					{
+						if ( (flag == READLINE_TEXT) || (flag == READLINE_ALPHA) )
+						{
+							term_putc( ts, buf[i] );
+						} else if ( flag == READLINE_HIDDEN )
+						{
+							term_putc( ts, '*');
+						}
+					} else
+					{
+						term_putc( ts, ' ' );
+					}
+				}
+				term_cur_set_c( ts, orig_col+buf_curent );
+				term_cur_set_r( ts, orig_row );
+			}
+		}
+	}
+
+	if ( buf != NULL)
+	{
+		free( buf );
+		buf = NULL;
+	}
+
+	return ret;
+}