1 files changed, 83 insertions, 0 deletions
diff --git a/app/bin/file2uri.c b/app/bin/file2uri.c
new file mode 100644
index 0000000..a9d8f4f
--- /dev/null
+++ b/app/bin/file2uri.c
@@ -0,0 +1,83 @@
+/** \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));
+}