Imported Upstream version 1.5.3

1 files changed, 66 insertions, 0 deletions

diff --git a/src/modules/filters/utf8html.cpp b/src/modules/filters/utf8html.cpp
new file mode 100644
index 0000000..7487815
--- /dev/null
+++ b/src/modules/filters/utf8html.cpp
@@ -0,0 +1,66 @@
+/******************************************************************************
+ *
+ * utf8html -	SWFilter decendant to convert a UTF-8 stream to HTML escapes
+ *
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <utf8html.h>
+
+UTF8HTML::UTF8HTML() {
+}
+
+
+char UTF8HTML::ProcessText(char *text, int maxlen, const SWKey *key, const SWModule *module)
+{
+	unsigned char *to, *from;
+	int len;
+        char digit[10];
+        unsigned long ch;
+
+	len = strlenw(text) + 2;						// shift string to right of buffer
+	if (len < maxlen) {
+	        memmove(&text[maxlen - len], text, len);
+		from = (unsigned char*)&text[maxlen - len];
+	}
+	else	from = (unsigned char*)text;
+	// -------------------------------
+	for (to = (unsigned char*)text; *from; from++) {
+	  ch = 0;
+          if ((*from & 128) != 128) {
+//          	if (*from != ' ')
+	       *to++ = *from;
+               continue;
+          }
+          if ((*from & 128) && ((*from & 64) != 64)) {
+	    // error
+               *from = 'x';
+               continue;
+          }
+          *from <<= 1;
+          int subsequent;
+          for (subsequent = 1; (*from & 128); subsequent++) {
+          	*from <<= 1;
+               from[subsequent] &= 63;
+               ch <<= 6;
+               ch |= from[subsequent];
+          }
+          subsequent--;
+          *from <<=1;
+          char significantFirstBits = 8 - (2+subsequent);
+          
+          ch |= (((short)*from) << (((6*subsequent)+significantFirstBits)-8));
+          from += subsequent;
+          *to++ = '&';
+          *to++ = '#';
+	  sprintf(digit, "%d", ch);
+		for (char *dig = digit; *dig; dig++)
+			*to++ = *dig;
+		*to++ = ';';
+	}
+	*to++ = 0;
+	*to = 0;
+	return 0;
+}