Shell 0.4.4 (All)

git-svn-id: svn://kolibrios.org@1665 a494cfbc-eb01-0410-851d-a64ba20cac60
2010-10-17 19:50:55 +00:00
parent c801706373
commit 3256dedea8
39 changed files with 1972 additions and 0 deletions
--- a/programs/system/shell/modules/module_command.c
+++ b/programs/system/shell/modules/module_command.c
@@ -0,0 +1,203 @@
+
+/// ===========================================================
+
+void command_clear()
+{
+for (;CMD_POS;CMD_POS--)
+	printf("%c %c", 8, 8);
+CMD[0]='\0';
+}
+
+/// ===========================================================
+
+void command_history_add(char command[])
+{
+
+if (	(0 != strcmp( CMD_HISTORY[0], CMD)) &&
+	(0 != strcmp( CMD_HISTORY[1], CMD)) &&
+	(0 != strcmp( CMD_HISTORY[2], CMD)) &&
+	(0 != strcmp( CMD_HISTORY[3], CMD)) &&
+	(0 != strcmp( CMD_HISTORY[4], CMD)) )
+
+	{
+	strcpy(CMD_HISTORY[4], CMD_HISTORY[3]);
+	strcpy(CMD_HISTORY[3], CMD_HISTORY[2]);
+	strcpy(CMD_HISTORY[2], CMD_HISTORY[1]);
+	strcpy(CMD_HISTORY[1], CMD_HISTORY[0]);
+
+	strcpy(CMD_HISTORY[0], CMD);
+	}
+
+}
+
+/// ===========================================================
+
+void command_get()
+{
+unsigned key;
+//unsigned pos = 0;
+int hist;
+
+CMD_POS = 0;
+CMD_NUM = 0;
+
+for (;;)
+	{
+	key = getch();
+	if ( 0 != (key & 0xff) )
+		{
+		key &= 0xff;
+		switch (key)
+			{
+			case 27: // ESC
+				command_clear();
+				break;
+
+			case 13: // ENTER
+				CMD[CMD_POS] = '\0';
+				printf("\n\r");
+
+				command_history_add(CMD);
+				return;
+
+			case 8: // BACKSPACE
+				if (CMD_POS > 0)
+					{
+					printf ("%c %c", 8, 8);
+					CMD_POS--;
+					}
+				break;
+
+			case 9: // TAB
+				break;
+
+			default:
+				if (CMD_POS < 255)
+					{
+					CMD[CMD_POS] = key;
+					CMD_POS++;
+					printf("%c", key);
+					}
+					break;
+			};
+		}
+	else	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+		{
+		key = (key>>8)&0xff;
+//		printf ("%d\n\r", key);
+
+		switch (key)
+			{
+
+			case 72: // UP
+				for (hist = 0; hist < CMD_HISTORY_NUM; hist++)
+					{
+					command_clear();
+
+					if (CMD_NUM < CMD_HISTORY_NUM-1)
+						CMD_NUM++;
+					else
+						CMD_NUM = 0;
+				
+					printf(	CMD_HISTORY[CMD_NUM] );
+					strcpy(CMD, CMD_HISTORY[CMD_NUM]);
+					if ((CMD_POS = strlen(CMD)) != 0)
+						break;
+					}
+
+				break;
+
+			case 80: // DOWN
+				for (hist = 0; hist < CMD_HISTORY_NUM; hist++)
+					{
+					command_clear();
+
+					if (CMD_NUM > 0)
+						CMD_NUM--;
+					else
+						CMD_NUM = CMD_HISTORY_NUM-1;
+
+					printf(	CMD_HISTORY[CMD_NUM] );
+					strcpy(CMD, CMD_HISTORY[CMD_NUM]);
+					if ((CMD_POS = strlen(CMD)) != 0)
+						break;
+					}
+				break;
+
+			case 0: // console window closed
+				cmd_exit(NULL);
+
+			};
+		}
+		
+	}
+}
+
+
+
+/// ===========================================================
+
+int command_get_cmd(char cmd[])
+{
+unsigned i;
+for (i=0;;i++)
+	{
+	cmd[i] = CMD[i];
+	if (0 == cmd[i])
+		{
+		i = -2;
+		break;
+		}
+	if ( iswhite(cmd[i]) )
+		{
+		cmd[i] = '\0';
+		break;
+		}
+	}
+return i+1;
+}
+
+/// ===========================================================
+
+typedef void (*handler1_t)(char* arg);
+
+/// ===========================================================
+
+void command_execute()
+{
+char cmd[256];
+char args[256];
+unsigned arg;
+int i;
+
+trim(CMD);
+arg = command_get_cmd(cmd);
+
+if ( !strlen(cmd) )
+	return;
+
+strcpy(args, CMD+arg);
+trim(args);
+
+for (i = 0; i < NUM_OF_CMD; i++)
+	{
+	if (!strcmp(cmd, COMMANDS[i].name))
+		{
+		((handler1_t)COMMANDS[i].handler)(args);
+		return;
+		}
+	}
+
+
+if ( -1 != alias_search(CMD) )
+	{
+	strcpy(CMD, ALIASES+64*1024+256*alias_search(CMD));
+	command_execute();
+	return;
+	}
+
+executable_run(cmd, args);
+
+}
+
+/// ===========================================================