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authorJörg Frings-Fürst <debian@jff-webhosting.net>2020-08-08 11:53:00 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2020-08-08 11:53:00 +0200
commitb623f5953691b2a0614e6f1f4def86bdbb9a4113 (patch)
tree18102bd36f7e22eb2ba2b9f880e4cb29346f4cb8 /app/bin/shortentext.c
parent359b557176b9bb2ff1aed2082641eed39c358d0d (diff)
New upstream version 5.2.0Beta2.1upstream/5.2.0Beta2.1upstream
Diffstat (limited to 'app/bin/shortentext.c')
-rw-r--r--app/bin/shortentext.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/app/bin/shortentext.c b/app/bin/shortentext.c
new file mode 100644
index 0000000..6cd16e6
--- /dev/null
+++ b/app/bin/shortentext.c
@@ -0,0 +1,92 @@
+/** \file stringutils.c
+ * Some assorted string handling functions
+ */
+
+ /* 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 "shortentext.h"
+
+#define WHITESPACES "\n\r\t "
+#define ELLIPSIZE "..."
+
+/**
+ * Replace all whitespace characters with blanks. Successive occurences are reduced to a single blank.
+ *
+ * \param source IN string to convert
+ * \param dest IN buffer for converted string, minimum size is the size of the source string
+ */
+void
+RemoveFormatChars( char *source, char *dest )
+{
+ int lastChar = '\0';
+
+ while (*source) {
+ if (strchr(WHITESPACES, *source)) {
+ if (lastChar != ' ') {
+ *dest++ = ' ';
+ lastChar = ' ';
+ }
+ } else {
+ lastChar = *source;
+ *dest++ = lastChar;
+ }
+ source++;
+ }
+ if (lastChar != ' ') {
+ *dest = '\0';
+ } else {
+ *(dest - 1) = '\0';
+ }
+}
+
+void
+EllipsizeString(char *source, char *dest, size_t length)
+{
+ size_t position;
+ char *resultString = (dest ? dest: source);
+
+
+ // trivial case: nothing to do if source is shorter and no inplace
+ if( strlen(source) <= length )
+ {
+ if( dest )
+ strcpy(dest, source);
+ return;
+ }
+
+ strncpy(resultString, source, length);
+ resultString[ length ] = '\0';
+
+ position = length - 1;
+ while (position) {
+ if (resultString[position] == ' ' && position <= (length - sizeof(ELLIPSIZE))) {
+ strcpy(resultString + position, ELLIPSIZE);
+ break;
+ } else {
+ position--;
+ }
+ }
+
+ // no blank in string, replace the last n chars
+ if (!position) {
+ strcpy(resultString + (strlen(resultString) - sizeof(ELLIPSIZE) + 1), ELLIPSIZE);
+ }
+ return;
+} \ No newline at end of file