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-rw-r--r--app/bin/file2uri.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/app/bin/file2uri.c b/app/bin/file2uri.c
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+++ b/app/bin/file2uri.c
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+/** \file file2uri.c
+ * Conversion for filename to URI and reverse
+ */
+
+ /* XTrackCAD - Model Railroad CAD
+ * Copyright (C) 2019 Martin Fischer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include "wlib.h"
+
+static char *reservedChars = "?#[]@!$&'()*+,;= ";
+
+unsigned
+File2URI(char *fileName, unsigned resultLen, char *resultBuffer)
+{
+ char *currentSource = fileName;
+ char *currentDest;
+
+ currentDest = resultBuffer;
+
+ while (*currentSource && ((unsigned)(currentDest - resultBuffer) < resultLen - 1)) {
+ if (*currentSource == FILE_SEP_CHAR[ 0 ]) {
+ *currentDest++ = '/';
+ currentSource++;
+ continue;
+ }
+ if (strchr(reservedChars, *currentSource))
+ {
+ sprintf(currentDest, "%%%02x", *currentSource);
+ currentSource++;
+ currentDest += 3;
+ } else {
+ *currentDest++ = *currentSource++;
+ }
+
+ }
+ *currentDest = '\0';
+ return(strlen(resultBuffer));
+}
+
+unsigned
+URI2File(char *encodedFileName, unsigned resultLen, char *resultBuffer)
+{
+ char *currentSource = encodedFileName;
+ char *currentDest = resultBuffer;
+
+ currentSource = encodedFileName;
+ while (*currentSource && ((unsigned)(currentDest - resultBuffer) < resultLen - 1)) {
+ if (*currentSource == '/') {
+ *currentDest++ = FILE_SEP_CHAR[0];
+ currentSource++;
+ continue;
+ }
+ if (*currentSource == '%') {
+ char hexCode[3];
+ memcpy(hexCode, currentSource + 1, 2);
+ hexCode[2] = '\0';
+ sscanf(hexCode, "%x", (unsigned int*)currentDest);
+ currentDest++;
+ currentSource += 3;
+ } else {
+ *currentDest++ = *currentSource++;
+ }
+ }
+ *currentDest = '\0';
+ return(strlen(resultBuffer));
+}