Initial commit: ReclassX structured binary editor

third_party/qscintilla/scintilla/lexlib/StyleContext.cpp

@@ -0,0 +1,69 @@
+// Scintilla source code edit control
+/** @file StyleContext.cxx
+ ** Lexer infrastructure.
+ **/
+// Copyright 1998-2004 by Neil Hodgson <neilh@scintilla.org>
+// This file is in the public domain.
+
+#include <cstdlib>
+#include <cassert>
+#include <cctype>
+
+#include "ILexer.h"
+
+#include "LexAccessor.h"
+#include "Accessor.h"
+#include "StyleContext.h"
+#include "CharacterSet.h"
+
+using namespace Scintilla;
+
+bool StyleContext::MatchIgnoreCase(const char *s) {
+	if (MakeLowerCase(ch) != static_cast<unsigned char>(*s))
+		return false;
+	s++;
+	if (MakeLowerCase(chNext) != static_cast<unsigned char>(*s))
+		return false;
+	s++;
+	for (int n = 2; *s; n++) {
+		if (*s !=
+			MakeLowerCase(styler.SafeGetCharAt(currentPos + n, 0)))
+			return false;
+		s++;
+	}
+	return true;
+}
+
+static void getRange(Sci_PositionU start,
+		Sci_PositionU end,
+		LexAccessor &styler,
+		char *s,
+		Sci_PositionU len) {
+	Sci_PositionU i = 0;
+	while ((i < end - start + 1) && (i < len-1)) {
+		s[i] = styler[start + i];
+		i++;
+	}
+	s[i] = '\0';
+}
+
+void StyleContext::GetCurrent(char *s, Sci_PositionU len) {
+	getRange(styler.GetStartSegment(), currentPos - 1, styler, s, len);
+}
+
+static void getRangeLowered(Sci_PositionU start,
+		Sci_PositionU end,
+		LexAccessor &styler,
+		char *s,
+		Sci_PositionU len) {
+	Sci_PositionU i = 0;
+	while ((i < end - start + 1) && (i < len-1)) {
+		s[i] = MakeLowerCase(styler[start + i]);
+		i++;
+	}
+	s[i] = '\0';
+}
+
+void StyleContext::GetCurrentLowered(char *s, Sci_PositionU len) {
+	getRangeLowered(styler.GetStartSegment(), currentPos - 1, styler, s, len);
+}