mirror of
https://github.com/reactos/reactos.git
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history command added and some minor changes to history interface
svn path=/trunk/; revision=976
This commit is contained in:
Paolo Pantaleo
parent
33258c166f
commit
16ef6ef2af
4 changed files with 395 additions and 40 deletions
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@ -1,4 +1,4 @@
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/* $Id: cmd.h,v 1.18 1999/12/28 23:06:35 ekohl Exp $
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/* $Id: cmd.h,v 1.19 2000/02/01 18:29:11 paolopan Exp $
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*
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* CMD.H - header file for the modules in CMD.EXE
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*
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@ -252,6 +252,7 @@ VOID History_move_to_bottom(VOID);/*F3*/
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VOID InitHistory(VOID);
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VOID CleanHistory(VOID);
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VOID History_del_current_entry(LPTSTR str);/*CTRL-D*/
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INT CommandHistory (LPTSTR cmd, LPTSTR param);
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#endif
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@ -139,6 +139,7 @@ VOID ReadCommand (LPTSTR str, INT maxlen)
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INPUT_RECORD ir;
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WORD wLastKey = 0;
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TCHAR ch;
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BOOL bContinue=FALSE;/*is TRUE the second case will not be executed*/
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/* get screen size */
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GetScreenSize (&maxx, &maxy);
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@ -157,6 +158,57 @@ VOID ReadCommand (LPTSTR str, INT maxlen)
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{
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ConInKey (&ir);
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if (ir.Event.KeyEvent.dwControlKeyState &
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(RIGHT_ALT_PRESSED|RIGHT_ALT_PRESSED|
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RIGHT_CTRL_PRESSED|LEFT_CTRL_PRESSED) )
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{
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switch (ir.Event.KeyEvent.wVirtualKeyCode)
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{
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#ifdef FEATURE_HISTORY
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case 'K':
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/*add the current command line to the history*/
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if (ir.Event.KeyEvent.dwControlKeyState &
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(LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED))
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{
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if (str[0])
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History(0,str);
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ClearCommandLine (str, maxlen, orgx, orgy);
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current = charcount = 0;
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bContinue=TRUE;
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break;
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}
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case 'D':
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/*delete current history entry*/
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if (ir.Event.KeyEvent.dwControlKeyState &
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(LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED))
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{
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ClearCommandLine (str, maxlen, orgx, orgy);
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History_del_current_entry(str);
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current = charcount = _tcslen (str);
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ConOutPrintf (_T("%s"), str);
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bContinue=TRUE;
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break;
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}
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#endif/*FEATURE_HISTORY*/
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}
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}
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//if (bContinue)
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// continue;
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switch (ir.Event.KeyEvent.wVirtualKeyCode)
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{
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case VK_BACK:
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@ -303,8 +355,8 @@ VOID ReadCommand (LPTSTR str, INT maxlen)
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current = charcount = 0;
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break;
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case VK_F3:
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#ifdef FEATURE_HISTORY
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case VK_F3:
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History_move_to_bottom();
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#endif
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case VK_UP:
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@ -359,8 +411,11 @@ VOID ReadCommand (LPTSTR str, INT maxlen)
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}
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break;
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#if 0
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#ifdef FEATURE_HISTORY
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/*!!!WARNING!!!*/
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/*this will only work as long as the two if statement
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evaluates the same expression and a break is included
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@ -368,7 +423,6 @@ VOID ReadCommand (LPTSTR str, INT maxlen)
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This can be used for any combination using CTRL.
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For other combinations is needed another system*/
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//case VK_K:
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case 'K':
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/*add the current command line to the history*/
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if (ir.Event.KeyEvent.dwControlKeyState &
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@ -394,7 +448,9 @@ VOID ReadCommand (LPTSTR str, INT maxlen)
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break;
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}
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#endif
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#endif/*FEATURE_HISTORY*/
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#endif/*0*/
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default:
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#ifdef _UNICODE
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ch = ir.Event.KeyEvent.uChar.UnicodeChar;
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@ -115,6 +115,10 @@ COMMAND cmds[] =
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{_T("goto"), CMD_BATCHONLY, cmd_goto},
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#ifdef FEATURE_HISTORY
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{_T("history"), 0, CommandHistory},
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#endif
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{_T("if"), 0, cmd_if},
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#ifdef INCLUDE_CMD_LABEL
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@ -1,5 +1,4 @@
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/* $Id: history.c,v 1.8 1999/12/24 17:19:20 ekohl Exp $
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*
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/*
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* HISTORY.C - command line history.
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*
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*
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@ -25,6 +24,8 @@
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*
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*/
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/*
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* HISTORY.C - command line history. Second version
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*
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@ -36,9 +37,16 @@
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*
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*/
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#include "config.h"
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#ifdef FEATURE_HISTORY
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#include <windows.h>
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#include <tchar.h>
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#include <string.h>
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@ -54,29 +62,111 @@ typedef struct tagHISTORY
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LPTSTR string;
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} HIST_ENTRY, * LPHIST_ENTRY;
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static INT size;
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static INT max_size=10; /* for now not configurable */
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static INT size,
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max_size=100;
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static LPHIST_ENTRY Top;
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static LPHIST_ENTRY Bottom;
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static LPHIST_ENTRY curr_ptr=0;
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/* service functions */
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static VOID del (LPHIST_ENTRY item);
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static VOID add_at_bottom (LPTSTR string);
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VOID InitHistory(VOID);
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VOID History_move_to_bottom(VOID);
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VOID History (INT dir, LPTSTR commandline);
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VOID CleanHistory(VOID);
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VOID History_del_current_entry(LPTSTR str);
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/*service functions*/
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VOID del(LPHIST_ENTRY item);
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VOID add_at_bottom(LPTSTR string);
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/*VOID add_before_last(LPTSTR string);*/
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VOID set_size(INT new_size);
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VOID InitHistory (VOID)
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INT CommandHistory (LPTSTR cmd, LPTSTR param)
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{
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LPTSTR tmp;
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INT tmp_int;
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LPHIST_ENTRY h_tmp;
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TCHAR szBuffer[2048];
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tmp=_tcschr(param,_T('/'));
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if (tmp)
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{
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param=tmp;
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switch (_totupper(param[1]))
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{
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case _T('F'):/*delete history*/
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CleanHistory();InitHistory();
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break;
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case _T('R'):/*read history from standard in*/
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//hIn=GetStdHandle (STD_INPUT_HANDLE);
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for(;;)
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{
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ConInString(szBuffer,sizeof(szBuffer)/sizeof(TCHAR));
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if (*szBuffer!=_T('\0'))
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History(0,szBuffer);
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else
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break;
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}
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break;
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case _T('A'):/*add an antry*/
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History(0,param+2);
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break;
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case _T('S'):/*set history size*/
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if (tmp_int=_ttoi(param+2))
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set_size(tmp_int);
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break;
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default:
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return 1;
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}
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}
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else
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{
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for(h_tmp=Top->prev;h_tmp!=Bottom;h_tmp=h_tmp->prev)
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ConErrPuts(h_tmp->string);
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}
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}
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VOID set_size(INT new_size)
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{
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while(new_size<size)
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del(Top->prev);
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max_size=new_size;
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}
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VOID InitHistory(VOID)
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{
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size=0;
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Top = malloc(sizeof(HIST_ENTRY));
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Bottom = malloc(sizeof(HIST_ENTRY));
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Top->prev = Bottom;
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Top->next = NULL;
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Top->string = NULL;
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Bottom->prev = NULL;
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Bottom->next = Top;
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Bottom->string = NULL;
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@ -85,13 +175,17 @@ VOID InitHistory (VOID)
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}
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VOID CleanHistory (VOID)
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{
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while (Bottom->next!=Top)
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del (Bottom->next);
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free (Top);
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free (Bottom);
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VOID CleanHistory(VOID)
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{
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while (Bottom->next!=Top)
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del(Bottom->next);
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free(Top);
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free(Bottom);
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}
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@ -108,30 +202,40 @@ VOID History_del_current_entry(LPTSTR str)
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if(curr_ptr==Top)
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curr_ptr=Top->prev;
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tmp=curr_ptr;
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curr_ptr=curr_ptr->prev;
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del(tmp);
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History(-1,str);
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}
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static
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VOID del(LPHIST_ENTRY item)
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{
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if( item==NULL || item==Top || item==Bottom )
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{
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#ifdef _DEBUG
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DebugPrintf("del in " __FILE__ ": retrning\n"
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"item is 0x%08x (Bottom is0x%08x)\n",
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item, Bottom);
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#endif
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return;
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}
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/*free string's mem*/
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if (item->string)
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free(item->string);
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/*set links in prev and next item*/
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item->next->prev=item->prev;
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item->prev->next=item->next;
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@ -139,25 +243,91 @@ VOID del(LPHIST_ENTRY item)
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free(item);
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size--;
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}
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#if 0
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static
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VOID add_before_last(LPTSTR string)
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{
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LPHIST_ENTRY tmp,before,after;
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/*delete first entry if maximum number of entries is reached*/
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while(size>=max_size)
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del(Top->prev);
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while (_istspace(*string))
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string++;
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if (*string==_T('\0'))
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return;
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/*allocte entry and string*/
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tmp=malloc(sizeof(HIST_ENTRY));
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tmp->string=malloc(_tcslen(string)+1);
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_tcscpy(tmp->string,string);
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/*set links*/
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before=Bottom->next;
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after=before->next;
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tmp->prev=before;
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tmp->next=after;
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after->prev=tmp;
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before->next=tmp;
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/*set new size*/
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size++;
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}
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#endif/*0*/
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static
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VOID add_at_bottom(LPTSTR string)
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{
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LPHIST_ENTRY tmp;
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/*delete first entry if maximum number of entries is reached*/
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if(size==max_size)
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while(size>=max_size)
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del(Top->prev);
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/*fill bottom with string*/
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while (_istspace(*string))
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string++;
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if (*string==_T('\0'))
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return;
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/*if new entry is the same than the last do not add it*/
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if(size)
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if(_tcscmp(string,Bottom->next->string)==0)
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return;
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/*fill bottom with string, it will become Bottom->next*/
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Bottom->string=malloc(_tcslen(string)+1);
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_tcscpy(Bottom->string,string);
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/*save Bottom value*/
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tmp=Bottom;
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/*create new void Bottom*/
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Bottom=malloc(sizeof(HIST_ENTRY));
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Bottom->next=tmp;
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@ -168,17 +338,21 @@ VOID add_at_bottom(LPTSTR string)
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/*set new size*/
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size++;
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}
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VOID History_move_to_bottom(VOID)
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{
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curr_ptr=Bottom;
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}
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VOID History (INT dir, LPTSTR commandline)
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{
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if(dir==0)
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{
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add_at_bottom(commandline);
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@ -192,6 +366,7 @@ VOID History (INT dir, LPTSTR commandline)
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return;
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}
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if(dir<0)/*key up*/
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{
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if (curr_ptr->next==Top || curr_ptr==Top)
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@ -205,13 +380,20 @@ VOID History (INT dir, LPTSTR commandline)
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#endif
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}
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curr_ptr = curr_ptr->next;
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if(curr_ptr->string)
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_tcscpy(commandline,curr_ptr->string);
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}
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if(dir>0)
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{
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if (curr_ptr->prev==Bottom || curr_ptr==Bottom)
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{
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#ifdef WRAP_HISTORY
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@ -226,8 +408,120 @@ VOID History (INT dir, LPTSTR commandline)
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curr_ptr=curr_ptr->prev;
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if(curr_ptr->string)
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_tcscpy(commandline,curr_ptr->string);
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}
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}
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#endif /* FEATURE_HISTORY */
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/* EOF */
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#if 0
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LPTSTR history = NULL; /*buffer to sotre all the lines*/
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LPTSTR lines[MAXLINES]; /*array of pointers to each line(entry)*/
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/*located in history buffer*/
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INT curline = 0; /*the last line recalled by user*/
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INT numlines = 0; /*number of entries, included the last*/
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/*empty one*/
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INT maxpos = 0; /*index of last byte of last entry*/
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VOID History (INT dir, LPTSTR commandline)
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{
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INT count; /*used in for loops*/
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INT length; /*used in the same loops of count*/
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/*both to make room when is full
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either history or lines*/
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/*first time History is called allocate mem*/
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if (!history)
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{
|
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history = malloc (history_size * sizeof (TCHAR));
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lines[0] = history;
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history[0] = 0;
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}
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if (dir > 0)
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{
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/* next command */
|
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if (curline < numlines)
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{
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curline++;
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}
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|
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if (curline == numlines)
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{
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commandline[0] = 0;
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}
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else
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{
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_tcscpy (commandline, lines[curline]);
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}
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}
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else if (dir < 0)
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{
|
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/* prev command */
|
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if (curline > 0)
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{
|
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curline--;
|
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}
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_tcscpy (commandline, lines[curline]);
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}
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else
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{
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/* add to history */
|
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/* remove oldest string until there's enough room for next one */
|
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/* strlen (commandline) must be less than history_size! */
|
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while ((maxpos + (INT)_tcslen (commandline) + 1 > history_size) || (numlines >= MAXLINES))
|
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{
|
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length = _tcslen (lines[0]) + 1;
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|
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for (count = 0; count < maxpos && count + (lines[1] - lines[0]) < history_size; count++)
|
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{
|
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history[count] = history[count + length];
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}
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maxpos -= length;
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|
||||
for (count = 0; count <= numlines && count < MAXLINES; count++)
|
||||
{
|
||||
lines[count] = lines[count + 1] - length;
|
||||
}
|
||||
|
||||
numlines--;
|
||||
#ifdef DEBUG
|
||||
ConOutPrintf (_T("Reduced size: %ld lines\n"), numlines);
|
||||
|
||||
for (count = 0; count < numlines; count++)
|
||||
{
|
||||
ConOutPrintf (_T("%d: %s\n"), count, lines[count]);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
/*copy entry in the history bufer*/
|
||||
_tcscpy (lines[numlines], commandline);
|
||||
numlines++;
|
||||
|
||||
/*set last lines[numlines] pointer next the end of last, valid,
|
||||
just setted entry (the two lines above)*/
|
||||
lines[numlines] = lines[numlines - 1] + _tcslen (commandline) + 1;
|
||||
maxpos += _tcslen (commandline) + 1;
|
||||
/* last line, empty */
|
||||
|
||||
curline = numlines;
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#endif //#if 0
|
||||
Loading…
Reference in a new issue