[sword-svn] r3895 - in trunk: cmake include src/modules/filters

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Author: scribe
Date: 2024-04-23 10:37:56 -0400 (Tue, 23 Apr 2024)
New Revision: 3895

Added:
   trunk/include/rtfplain.h
   trunk/src/modules/filters/rtfplain.cpp
Modified:
   trunk/cmake/sources.cmake
   trunk/src/modules/filters/Makefile.am
Log:
added rtfplain filter


Modified: trunk/cmake/sources.cmake
===================================================================
--- trunk/cmake/sources.cmake	2023-11-22 17:17:51 UTC (rev 3894)
+++ trunk/cmake/sources.cmake	2024-04-23 14:37:56 UTC (rev 3895)
@@ -145,6 +145,7 @@
 	src/modules/filters/cipherfil.cpp
 
 	src/modules/filters/rtfhtml.cpp
+	src/modules/filters/rtfplain.cpp
 	src/modules/filters/greeklexattribs.cpp
 	src/modules/filters/papyriplain.cpp
 
@@ -354,6 +355,7 @@
 
 	include/roman.h
 	include/rtfhtml.h
+	include/rtfplain.h
 	include/sapphire.h
 	include/scsuutf8.h
 	include/strkey.h

Added: trunk/include/rtfplain.h
===================================================================
--- trunk/include/rtfplain.h	                        (rev 0)
+++ trunk/include/rtfplain.h	2024-04-23 14:37:56 UTC (rev 3895)
@@ -0,0 +1,41 @@
+/***************************************************************************
+ *
+ * rtfplain.h -	class RTFPlain: a RenderFilter to render plain text from
+ *		a very limited subset of RTF
+ * 		
+ *
+ * $Id: rtfplain.h 3786 2020-08-30 11:35:14Z scribe $
+ *
+ * Copyright 2000-2013 CrossWire Bible Society (http://www.crosswire.org)
+ *	CrossWire Bible Society
+ *	P. O. Box 2528
+ *	Tempe, AZ  85280-2528
+ *
+ * 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 version 2.
+ *
+ * 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.
+ *
+ */
+
+#ifndef RTFPLAIN_H
+#define RTFPLAIN_H
+
+#include <swfilter.h>
+
+SWORD_NAMESPACE_START
+
+/** this filter converts RTF text into plain text
+ */
+class SWDLLEXPORT RTFPlain : public SWFilter {
+public:
+	RTFPlain();
+	virtual char processText(SWBuf &text, const SWKey *key = 0, const SWModule *module = 0);
+};
+
+SWORD_NAMESPACE_END
+#endif

Modified: trunk/src/modules/filters/Makefile.am
===================================================================
--- trunk/src/modules/filters/Makefile.am	2023-11-22 17:17:51 UTC (rev 3894)
+++ trunk/src/modules/filters/Makefile.am	2024-04-23 14:37:56 UTC (rev 3895)
@@ -84,6 +84,7 @@
 libsword_la_SOURCES += $(filtersdir)/cipherfil.cpp
 
 PLFIL = $(filtersdir)/rtfhtml.cpp
+PLFIL += $(filtersdir)/rtfplain.cpp
 PLFIL += $(filtersdir)/greeklexattribs.cpp
 PLFIL += $(filtersdir)/papyriplain.cpp
 

Added: trunk/src/modules/filters/rtfplain.cpp
===================================================================
--- trunk/src/modules/filters/rtfplain.cpp	                        (rev 0)
+++ trunk/src/modules/filters/rtfplain.cpp	2024-04-23 14:37:56 UTC (rev 3895)
@@ -0,0 +1,93 @@
+/***************************************************************************
+ *
+ *  rtfplain.cpp -	filter to convert RTF to plain text
+ *
+ * $Id: rtfplain.cpp 3749 2020-07-06 23:51:56Z scribe $
+ *
+ * Copyright 1999 The team of Bibletime (info at bibletime.de)
+ * Copyright 2000-2013 CrossWire Bible Society (http://www.crosswire.org)
+ *	CrossWire Bible Society
+ *	P. O. Box 2528
+ *	Tempe, AZ  85280-2528
+ *
+ * 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 version 2.
+ *
+ * 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.
+ *
+ */
+
+#include <stdlib.h>
+#include <rtfplain.h>
+#include <swbuf.h>
+#include <utilstr.h>
+#include <ctype.h>
+#include <sysdata.h>
+
+SWORD_NAMESPACE_START
+
+RTFPlain::RTFPlain()
+{
+}
+
+
+char RTFPlain::processText(SWBuf &text, const SWKey *key, const SWModule *module)
+{
+	bool center = false;
+
+	const char *from;
+	SWBuf orig = text;
+	from = orig.c_str();
+	for (text = ""; *from; from++)
+	{
+		if (*from == '\\') // a RTF command
+		{
+			// \u12345?
+			if ( *(from+1) == 'u' && (*(from+2) == '-' || isdigit(*(from+2)))) {
+				from += 2;
+				const char *end = from;
+				while (isdigit(*++end));
+				SWBuf num;
+				num.append(from, end-from);
+				SW_s16 n = atoi(num.c_str());
+				SW_u32 u = (SW_u16)n;
+				getUTF8FromUniChar(u, &text);
+				from += (end-from);
+				continue;
+			}
+			if (!strncmp(from+1, "pard", 4)) { // switch all modifiers off
+				if (center) {
+					center = false;
+				}
+				from += 4;
+				continue;
+			}
+			if (!strncmp(from+1, "par", 3)) {
+				text += "\n";
+				from += 3;
+				continue;
+			}
+			if (from[1] == ' ') {
+				from += 1;
+				continue;
+			}
+			if (!strncmp(from+1, "qc", 2)) { // center on
+				if (!center) {
+					text += "\t\t";
+					center = true;
+				}
+				from += 2;
+				continue;
+			}
+		}
+
+		text += *from;
+	}
+	return 0;
+}
+
+SWORD_NAMESPACE_END