mirror of
https://github.com/kevinbentley/Descent3.git
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98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
/*
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* Descent 3
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* Copyright (C) 2024 Parallax Software
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <cstring>
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void _splitpath(const char *srcPath, char *drive, char *path, char *filename, char *ext) {
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int pathStart = -1;
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int pathEnd = -1;
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int fileStart = -1;
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int fileEnd = -1;
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int extStart = -1;
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int extEnd = -1;
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int totalLen = strlen(srcPath);
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if (drive)
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*drive = '\0';
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// Check for an extension
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///////////////////////////////////////
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int t = totalLen - 1;
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while ((srcPath[t] != '.') && (srcPath[t] != '/') && (t >= 0))
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t--;
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// see if we are at an extension
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if ((t >= 0) && (srcPath[t] == '.')) {
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// we have an extension
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extStart = t;
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extEnd = totalLen - 1;
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if (ext) {
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strncpy(ext, &(srcPath[extStart]), extEnd - extStart + 1);
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ext[extEnd - extStart + 1] = '\0';
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}
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} else {
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// no extension
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if (ext)
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ext[0] = '\0';
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}
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// Check for file name
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////////////////////////////////////
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int temp = (extStart != -1) ? (extStart) : (totalLen - 1);
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while ((srcPath[temp] != '/') && (temp >= 0))
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temp--;
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if (temp < 0)
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temp = 0;
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if (srcPath[temp] == '/') {
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// we have a file
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fileStart = temp + 1;
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if (extStart != -1)
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fileEnd = extStart - 1;
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else
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fileEnd = totalLen - 1;
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if (filename) {
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strncpy(filename, &(srcPath[fileStart]), fileEnd - fileStart + 1);
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filename[fileEnd - fileStart + 1] = '\0';
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}
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pathStart = 0;
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pathEnd = fileStart - 2;
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// Copy the rest into the path name
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if (path) {
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strncpy(path, &(srcPath[pathStart]), pathEnd - pathStart + 1);
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path[pathEnd - pathStart + 1] = 0;
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}
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} else {
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// only file, no path
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fileStart = 0;
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if (extStart != -1)
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fileEnd = extStart - 1;
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else
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fileEnd = totalLen - 1;
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if (filename) {
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strncpy(filename, &(srcPath[fileStart]), fileEnd - fileStart + 1);
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filename[fileEnd - fileStart + 1] = 0;
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}
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// Only file no path
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if (path) {
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path[0] = 0;
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}
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}
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}
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