1 files changed, 106 insertions, 0 deletions
diff --git a/src/modules/filters/gbfplain.cpp b/src/modules/filters/gbfplain.cpp
new file mode 100644
index 0000000..65766d3
--- /dev/null
+++ b/src/modules/filters/gbfplain.cpp
@@ -0,0 +1,106 @@
+/******************************************************************************
+ *
+ * gbfplain -	SWFilter decendant to strip out all GBF tags or convert to
+ *		ASCII rendered symbols.
+ */
+
+
+#include <stdlib.h>
+#include <string.h>
+#include <gbfplain.h>
+
+
+GBFPlain::GBFPlain() {
+}
+
+
+char GBFPlain::ProcessText(char *text, int maxlen, const SWKey *key, const SWModule *module)
+{
+	char *to, *from, token[2048];
+	int tokpos = 0;
+	bool intoken = false;
+	int len;
+
+	len = strlen(text) + 1;						// shift string to right of buffer
+	if (len < maxlen) {
+		memmove(&text[maxlen - len], text, len);
+		from = &text[maxlen - len];
+	}
+	else	from = text;							// -------------------------------
+	
+	for (to = text; *from; from++) {
+		if (*from == '<') {
+			intoken = true;
+			tokpos = 0;
+			token[0] = 0;
+			token[1] = 0;
+			token[2] = 0;
+			continue;
+		}
+		if (*from == '>') {
+			intoken = false;
+						// process desired tokens
+			switch (*token) {
+			case 'W':	// Strongs
+				switch(token[1]) {
+					case 'G':               // Greek
+					case 'H':               // Hebrew
+					case 'T':               // Tense
+						*to++ = ' ';
+						*to++ = '<';
+						for (char *tok = token + 2; *tok; tok++)
+							*to++ = *tok;
+						*to++ = '>';
+						*to++ = ' ';
+						continue;
+				}
+				break;
+			case 'R':
+				switch(token[1]) {
+				case 'F':               // footnote begin
+					*to++ = ' ';
+					*to++ = '[';
+					continue;
+				case 'f':               // footnote end
+					*to++ = ']';
+					*to++ = ' ';
+					continue;
+				}
+				break;
+			case 'C':
+				switch(token[1]) {
+				case 'A':               // ASCII value
+					*to++ = (char)atoi(&token[2]);
+					continue;
+				case 'G':
+					*to++ = '>';
+					continue;
+/*								Bug in WEB
+				case 'L':
+					*to++ = '<';
+					continue;
+*/
+				case 'L':	//        Bug in WEB.  Use above entry when fixed
+				case 'N':               // new line
+					*to++ = '\n';
+					continue;
+				case 'M':               // new paragraph
+					*to++ = '\n';
+					*to++ = '\n';
+					continue;
+				}
+				break;
+			}
+			continue;
+		}
+		if (intoken) {
+			if (tokpos < 2045)
+				token[tokpos++] = *from;
+				token[tokpos+2] = 0;
+		}
+		else	*to++ = *from;
+	}
+	*to++ = 0;
+ 	*to = 0;
+	return 0;
+}