00001 /* 00002 * Copyright 2000 Martin Fuchs 00003 * 00004 * This library is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Lesser General Public 00006 * License as published by the Free Software Foundation; either 00007 * version 2.1 of the License, or (at your option) any later version. 00008 * 00009 * This library is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 * Lesser General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Lesser General Public 00015 * License along with this library; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00017 */ 00018 00019 #include "utility.h" 00020 00021 #ifdef UNICODE 00022 00023 void _wsplitpath(const WCHAR* path, WCHAR* drv, WCHAR* dir, WCHAR* name, WCHAR* ext) 00024 { 00025 const WCHAR* end; /* end of processed string */ 00026 const WCHAR* p; /* search pointer */ 00027 const WCHAR* s; /* copy pointer */ 00028 00029 /* extract drive name */ 00030 if (path[0] && path[1]==':') { 00031 if (drv) { 00032 *drv++ = *path++; 00033 *drv++ = *path++; 00034 *drv = L'\0'; 00035 } 00036 } else if (drv) 00037 *drv = L'\0'; 00038 00039 /* search for end of string or stream separator */ 00040 for(end=path; *end && *end!=L':'; ) 00041 end++; 00042 00043 /* search for begin of file extension */ 00044 for(p=end; p>path && *--p!=L'\\' && *p!=L'/'; ) 00045 if (*p == L'.') { 00046 end = p; 00047 break; 00048 } 00049 00050 if (ext) 00051 for(s=end; *ext=*s++; ) 00052 ext++; 00053 00054 /* search for end of directory name */ 00055 for(p=end; p>path; ) 00056 if (*--p=='\\' || *p=='/') { 00057 p++; 00058 break; 00059 } 00060 00061 if (name) { 00062 for(s=p; s<end; ) 00063 *name++ = *s++; 00064 00065 *name = L'\0'; 00066 } 00067 00068 if (dir) { 00069 for(s=path; s<p; ) 00070 *dir++ = *s++; 00071 00072 *dir = L'\0'; 00073 } 00074 } 00075 00076 #else 00077 00078 void _splitpath(const CHAR* path, CHAR* drv, CHAR* dir, CHAR* name, CHAR* ext) 00079 { 00080 const CHAR* end; /* end of processed string */ 00081 const CHAR* p; /* search pointer */ 00082 const CHAR* s; /* copy pointer */ 00083 00084 /* extract drive name */ 00085 if (path[0] && path[1]==':') { 00086 if (drv) { 00087 *drv++ = *path++; 00088 *drv++ = *path++; 00089 *drv = '\0'; 00090 } 00091 } else if (drv) 00092 *drv = '\0'; 00093 00094 /* search for end of string or stream separator */ 00095 for(end=path; *end && *end!=':'; ) 00096 end++; 00097 00098 /* search for begin of file extension */ 00099 for(p=end; p>path && *--p!='\\' && *p!='/'; ) 00100 if (*p == '.') { 00101 end = p; 00102 break; 00103 } 00104 00105 if (ext) 00106 for(s=end; (*ext=*s++); ) 00107 ext++; 00108 00109 /* search for end of directory name */ 00110 for(p=end; p>path; ) 00111 if (*--p=='\\' || *p=='/') { 00112 p++; 00113 break; 00114 } 00115 00116 if (name) { 00117 for(s=p; s<end; ) 00118 *name++ = *s++; 00119 00120 *name = '\0'; 00121 } 00122 00123 if (dir) { 00124 for(s=path; s<p; ) 00125 *dir++ = *s++; 00126 00127 *dir = '\0'; 00128 } 00129 } 00130 00131 #endif 00132 00133 /* 00134 void main() // test splipath() 00135 { 00136 TCHAR drv[_MAX_DRIVE+1], dir[_MAX_DIR], name[_MAX_FNAME], ext[_MAX_EXT]; 00137 00138 _tsplitpath(L"x\\y", drv, dir, name, ext); 00139 _tsplitpath(L"x\\", drv, dir, name, ext); 00140 _tsplitpath(L"\\x", drv, dir, name, ext); 00141 _tsplitpath(L"x", drv, dir, name, ext); 00142 _tsplitpath(L"", drv, dir, name, ext); 00143 _tsplitpath(L".x", drv, dir, name, ext); 00144 _tsplitpath(L":x", drv, dir, name, ext); 00145 _tsplitpath(L"a:x", drv, dir, name, ext); 00146 _tsplitpath(L"a.b:x", drv, dir, name, ext); 00147 _tsplitpath(L"W:\\/\\abc/Z:~", drv, dir, name, ext); 00148 _tsplitpath(L"abc.EFGH:12345", drv, dir, name, ext); 00149 _tsplitpath(L"C:/dos/command.com", drv, dir, name, ext); 00150 } 00151 */
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