forked from KolibriOS/kolibrios
Rustem Gimadutdinov (rgimad)
6bc343bd07
- fixed bug with ctrl+v - added navigation in current string by Home, End - directory highlighting in ls command output git-svn-id: svn://kolibrios.org@7787 a494cfbc-eb01-0410-851d-a64ba20cac60
410 lines
7.4 KiB
C
410 lines
7.4 KiB
C
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/// ===========================================================
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void command_history_add()
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{
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int i;
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if ('\0' == CMD[0]) return;
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CMD_NUM = -1;
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for (i = 0; i < CMD_HISTORY_NUM_REAL; i++)
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if ( 0 == strcmp( CMD_HISTORY[i], CMD ) )
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return;
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for (i = CMD_HISTORY_NUM_REAL; i > 0 ; i--)
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strcpy(CMD_HISTORY[i], CMD_HISTORY[i-1]);
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strcpy(CMD_HISTORY[0], CMD);
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if (CMD_HISTORY_NUM_REAL < CMD_HISTORY_NUM-1)
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CMD_HISTORY_NUM_REAL++;
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}
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// ============================================================
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char * insert_string( char s1[], unsigned int pos, const char s2[] )
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{
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unsigned int n1 = strlen( s1 );
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unsigned int n2 = strlen( s2 );
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if ( n1 < pos ) pos = n1;
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unsigned int i;
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for ( i = 0; i < n1 - pos; i++ )
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{
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s1[n1 + n2 - i - 1] = s1[n1 - i - 1];
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}
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for ( i = 0; i < n2; i++)
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{
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s1[pos+i] = s2[i];
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}
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s1[n1 + n2] = '\0';
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return s1;
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}
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/// ===========================================================
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void command_get()
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{
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unsigned key;
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unsigned i;
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unsigned cmdLen = 0;
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unsigned cmdPos = 0;
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CMD[0] = '\0';
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int clipNum; // number of clipboard slots
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char* clipBuf; // clipboard buffer
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char clipCopy[255+12];
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for (;;)
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{
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key = getch();
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if ( 0 != (key & 0xff) )
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{
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key &= 0xff;
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switch (key)
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{
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case 27: // ESC
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for (i = cmdPos; i < cmdLen; i++)
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printf(" ");
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for (i = cmdLen; i > 0; i--)
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printf("%c %c", 8, 8);
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cmdLen = 0;
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cmdPos = 0;
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CMD[0] = '\0';
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break;
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case 13: // ENTER
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printf("\n\r");
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command_history_add();
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return;
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case 8: // BACKSPACE
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if (cmdPos > 0)
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{
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for (i = cmdPos-1; i < cmdLen; i++)
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CMD[i] = CMD[i+1];
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for (i = 0; i < cmdLen-cmdPos; i++)
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printf (" ");
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for (i = 0; i < cmdLen; i++)
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printf ("%c %c", 8, 8);
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printf("%s", CMD);
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for (i = 0; i < cmdLen-cmdPos; i++)
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printf("%c", 8);
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cmdPos--;
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cmdLen--;
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}
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break;
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case 9: // TAB
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break;
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case 22: // Ctrl+V
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clipNum = kol_clip_num();
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if (clipNum > 0)
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{
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clipBuf = kol_clip_get(clipNum-1);
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// printf("Length: %d, Type: %d, Encoding: %d\n", (int) *clipBuf, (int)*(clipBuf+4), (int)*(clipBuf+8));
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if ( (int) *clipBuf > 0 ) // is clipboard empty?
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{
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if ((int)*(clipBuf+4)==0) // text?
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{
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if ((int)*(clipBuf+8)==1) // 866 encoding?
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{
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// clear previous text
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for (i = cmdPos; i < cmdLen; i++)
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printf(" ");
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for (i = cmdLen; i > 0; i--)
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printf("%c %c", 8, 8);
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char *pasteText = clipBuf + 12;
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int pasteLen = strlen(pasteText);
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insert_string(CMD, cmdPos, pasteText);
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cmdLen = strlen(CMD);
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cmdPos += pasteLen;
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printf("%s", CMD);
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for (i = 0; i < cmdLen-cmdPos; i++) printf("%c", 8); // rewind the internal console cursor
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}
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}
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}
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}
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break;
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case 3: // Ctrl+C
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if ( cmdLen > 0 )
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{
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*clipCopy = 12 + cmdLen;
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*(clipCopy+4)=0;
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*(clipCopy+8)=1;
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for (i = 0; i <= cmdLen; i++)
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*(clipCopy+12+i) = CMD[i];
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kol_clip_set(12+cmdLen, clipCopy);
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}
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break;
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default:
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if (cmdLen < 255)
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{
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if ( kol_key_control() & 0x40 ) // <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> CapsLock
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if ( (kol_key_control() & 1) || (kol_key_control() & 2)) // <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
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key = tolower(key);
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else
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key = toupper(key);
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for (i = cmdLen+1; i > cmdPos; i--)
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CMD[i] = CMD[i-1];
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CMD[cmdPos] = key;
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for (i = cmdPos; i > 0; i--)
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printf("%c %c", 8, 8);
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printf("%s", CMD);
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for (i = 0; i < cmdLen-cmdPos; i++)
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printf("%c", 8);
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cmdPos++;
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cmdLen++;
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}
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break;
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}
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}
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else
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{
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key = (key>>8)&0xff;
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switch (key)
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{
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case 83: // Del
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if (cmdPos < cmdLen)
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{
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for (i = cmdPos; i < cmdLen; i++)
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CMD[i] = CMD[i+1];
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for (i = 0; i < cmdLen-cmdPos; i++)
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printf(" ");
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for (i = 0; i < cmdLen-cmdPos; i++)
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printf("%c", 8);
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for (i = cmdPos; i < cmdLen; i++)
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printf("%c", CMD[i]);
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for (i = 0; i < cmdLen-cmdPos; i++)
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printf("%c", 8);
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cmdLen--;
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}
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break;
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case 0x47: // Home
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// move internal cursor and cmdPos to the beginning of the line
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for (;cmdPos > 0; cmdPos--) {printf("%c", 8);}
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break;
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case 0x4F: // End
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// move internal cursor and cmdPos to the end of the line
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for (;cmdPos < cmdLen; cmdPos++) {printf("%c", CMD[cmdPos]);}
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break;
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case 75: // Left
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if (cmdPos > 0)
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{
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printf("%c", 8);
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cmdPos--;
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}
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break;
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case 77: // Right
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if (cmdPos < cmdLen)
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{
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printf("%c", CMD[cmdPos]);
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cmdPos++;
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}
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break;
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case 72: // Up
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if (CMD_HISTORY_NUM_REAL > 0 && CMD_NUM >= -1)
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{
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for (i = cmdPos; i < cmdLen; i++)
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printf(" ");
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for (i = cmdLen; i > 0; i--)
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printf("%c %c", 8, 8);
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if (CMD_NUM < CMD_HISTORY_NUM_REAL-1)
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CMD_NUM++;
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/* else
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CMD_NUM = 0;
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*/
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printf("%s", CMD_HISTORY[CMD_NUM]);
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strcpy(CMD, CMD_HISTORY[CMD_NUM]);
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cmdLen = strlen(CMD);
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cmdPos = strlen(CMD);
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}
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break;
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case 80: // Down
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if (CMD_HISTORY_NUM_REAL > 0 && CMD_NUM >= 0)
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{
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for (i = cmdPos; i < cmdLen; i++)
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printf(" ");
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for (i = cmdLen; i > 0; i--)
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printf("%c %c", 8, 8);
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if (CMD_NUM > 0)
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CMD_NUM--;
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/* else
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CMD_NUM = CMD_HISTORY_NUM_REAL-1;
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*/
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printf("%s", CMD_HISTORY[CMD_NUM]);
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strcpy(CMD, CMD_HISTORY[CMD_NUM]);
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cmdLen = strlen(CMD);
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cmdPos = strlen(CMD);
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}
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break;
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case 0: // console window closed
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cmd_exit(NULL);
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}
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}
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}
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}
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/// ===========================================================
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int command_get_cmd(char cmd[])
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{
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unsigned i, len;
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int quote = 0;
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if (CMD[0]=='"')
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quote = 1;
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if (quote == 0)
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{
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for (i=0;;i++)
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{
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cmd[i] = CMD[i];
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if (0 == cmd[i])
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return i;
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if ( iswhite(cmd[i]) )
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{
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cmd[i] = '\0';
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break;
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}
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}
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return i+1;
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}
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else
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{
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len = 0;
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for (i=1;;i++)
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{
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cmd[len] = CMD[i];
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if (0 == cmd[len])
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{
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i--;
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break;
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}
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if ( cmd[len] == '"' )
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{
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cmd[len] = '\0';
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break;
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}
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len++;
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}
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trim(cmd);
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return i+1;
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}
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}
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/// ===========================================================
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typedef int (*handler1_t)(char* arg);
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/// ===========================================================
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void command_execute()
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{
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char cmd[256];
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char args[256];
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unsigned arg;
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int i;
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int result;
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trim(CMD);
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arg = command_get_cmd(cmd);
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if ( !strlen(cmd) )
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return;
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strcpy(args, CMD+arg);
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trim(args);
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for (i = 0; i < NUM_OF_CMD; i++)
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{
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if (!strcmp(cmd, COMMANDS[i].name))
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{
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result = ((handler1_t)COMMANDS[i].handler)(args);
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if (result == FALSE)
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{
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#if LANG_ENG
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printf(" Error!\n\r");
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#elif LANG_RUS
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printf(" <20>訡<EFBFBD><E8A8A1>!\n\r");
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#endif
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}
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return;
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}
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}
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if ( -1 != alias_search(CMD) )
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{
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strcpy(CMD, ALIASES+64*1024+256*alias_search(CMD));
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command_execute();
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return;
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}
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executable_run(cmd, args);
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}
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/// ===========================================================
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