Patch from Greg Smith with further modifications moved character

classification from Document into a separate CharClassify class and file
and uses this from RESearch for regular expression word end \< and \>
instead of built-in table.

1 files changed, 43 insertions, 0 deletions

diff --git a/src/CharClassify.cxx b/src/CharClassify.cxx
new file mode 100644
index 000000000..acab4b229
--- /dev/null
+++ b/src/CharClassify.cxx
@@ -0,0 +1,43 @@
+// Scintilla source code edit control
+/** @file CharClassify.cxx
+ ** Character classifications used by Document and RESearch.
+ **/
+// Copyright 2006 by Neil Hodgson <neilh@scintilla.org>
+// The License.txt file describes the conditions under which this software may be distributed.
+
+#include <ctype.h>
+
+#include "CharClassify.h"
+
+// Shut up annoying Visual C++ warnings:
+#ifdef _MSC_VER
+#pragma warning(disable: 4514)
+#endif
+
+CharClassify::CharClassify() {
+	SetDefaultCharClasses(true);
+}
+
+void CharClassify::SetDefaultCharClasses(bool includeWordClass) {
+	// Initialize all char classes to default values
+	for (int ch = 0; ch < 256; ch++) {
+		if (ch == '\r' || ch == '\n')
+			charClass[ch] = ccNewLine;
+		else if (ch < 0x20 || ch == ' ')
+			charClass[ch] = ccSpace;
+		else if (includeWordClass && (ch >= 0x80 || isalnum(ch) || ch == '_'))
+			charClass[ch] = ccWord;
+		else
+			charClass[ch] = ccPunctuation;
+	}
+}
+
+void CharClassify::SetCharClasses(const unsigned char *chars, cc newCharClass) {
+	// Apply the newCharClass to the specifed chars
+	if (chars) {
+		while (*chars) {
+			charClass[*chars] = static_cast<unsigned char>(newCharClass);
+			chars++;
+		}
+	}
+}