From b623f5953691b2a0614e6f1f4def86bdbb9a4113 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sat, 8 Aug 2020 11:53:00 +0200 Subject: New upstream version 5.2.0Beta2.1 --- app/bin/shortentext.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 app/bin/shortentext.c (limited to 'app/bin/shortentext.c') 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 +#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 -- cgit v1.2.3