- }\r
-}\r
-\r
-/**\r
- * \fn char *ReadCommandLine(int *Length)\r
- * \brief Read from the command line\r
- */\r
-char *ReadCommandLine(int *Length)\r
-{\r
- char *ret;\r
- int len, pos, space = 1023;\r
- char ch;\r
- #if 0\r
- int scrollbackPos = giLastCommand;\r
- #endif\r
- \r
- // Preset Variables\r
- ret = malloc( space+1 );\r
- if(!ret) return NULL;\r
- len = 0; pos = 0;\r
- \r
- // Read In Command Line\r
- do {\r
- read(_stdin, 1, &ch); // Read Character from stdin (read is a blocking call)\r
- \r
- if(ch == '\n') break;\r
- \r
- switch(ch)\r
- {\r
- // Control characters\r
- case '\x1B':\r
- read(_stdin, 1, &ch); // Read control character\r
- switch(ch)\r
- {\r
- //case 'D': if(pos) pos--; break;\r
- //case 'C': if(pos<len) pos++; break;\r
- case '[':\r
- read(_stdin, 1, &ch); // Read control character\r
- switch(ch)\r
- {\r
- #if 0\r
- case 'A': // Up\r
- {\r
- int oldLen = len;\r
- if( scrollbackPos > 0 ) break;\r
- \r
- free(ret);\r
- ret = strdup( gasCommandHistory[--scrollbackPos] );\r
- \r
- len = strlen(ret);\r
- while(pos--) write(_stdout, 3, "\x1B[D");\r
- write(_stdout, len, ret); pos = len;\r
- while(pos++ < oldLen) write(_stdout, 1, " ");\r
- }\r
- break;\r
- case 'B': // Down\r
- {\r
- int oldLen = len;\r
- if( scrollbackPos < giLastCommand-1 ) break;\r
- \r
- free(ret);\r
- ret = strdup( gasCommandHistory[++scrollbackPos] );\r
- \r
- len = strlen(ret);\r
- while(pos--) write(_stdout, 3, "\x1B[D");\r
- write(_stdout, len, ret); pos = len;\r
- while(pos++ < oldLen) write(_stdout, 1, " ");\r
- }\r
- break;\r
- #endif\r
- case 'D': // Left\r
- if(pos == 0) break;\r
- pos --;\r
- write(_stdout, 3, "\x1B[D");\r
- break;\r
- case 'C': // Right\r
- if(pos == len) break;\r
- pos++;\r
- write(_stdout, 3, "\x1B[C");\r
- break;\r
- }\r
- }\r
- break;\r
- \r
- // Backspace\r
- case '\b':\r
- if(len <= 0) break; // Protect against underflows\r
- write(_stdout, 1, &ch);\r
- if(pos == len) { // Simple case of end of string\r
- len --;\r
- pos--;\r
- }\r
- else {\r
- char buf[7] = "\x1B[000D";\r
- buf[2] += ((len-pos+1)/100) % 10;\r
- buf[3] += ((len-pos+1)/10) % 10;\r
- buf[4] += (len-pos+1) % 10;\r
- write(_stdout, len-pos, &ret[pos]); // Move Text\r
- ch = ' '; write(_stdout, 1, &ch); ch = '\b'; // Clear deleted character\r
- write(_stdout, 7, buf); // Update Cursor\r
- // Alter Buffer\r
- memmove(&ret[pos-1], &ret[pos], len-pos);\r
- pos --;\r
- len --;\r
- }\r
- break;\r