Initial copy of Scintilla 3.21 code

[wxWidgets.git] / src / stc / scintilla / lexlib / StyleContext.cxx

diff --git a/src/stc/scintilla/lexlib/StyleContext.cxx b/src/stc/scintilla/lexlib/StyleContext.cxx
new file mode 100644 (file)
index 0000000..cf59fdd
--- /dev/null
+++ b/src/stc/scintilla/lexlib/StyleContext.cxx
@@ -0,0 +1,56 @@
+// 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 <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <assert.h>
+
+#include "ILexer.h"
+
+#include "LexAccessor.h"
+#include "Accessor.h"
+#include "StyleContext.h"
+
+#ifdef SCI_NAMESPACE
+using namespace Scintilla;
+#endif
+
+static void getRange(unsigned int start,
+               unsigned int end,
+               LexAccessor &styler,
+               char *s,
+               unsigned int len) {
+       unsigned int i = 0;
+       while ((i < end - start + 1) && (i < len-1)) {
+               s[i] = styler[start + i];
+               i++;
+       }
+       s[i] = '\0';
+}
+
+void StyleContext::GetCurrent(char *s, unsigned int len) {
+       getRange(styler.GetStartSegment(), currentPos - 1, styler, s, len);
+}
+
+static void getRangeLowered(unsigned int start,
+               unsigned int end,
+               LexAccessor &styler,
+               char *s,
+               unsigned int len) {
+       unsigned int i = 0;
+       while ((i < end - start + 1) && (i < len-1)) {
+               s[i] = static_cast<char>(tolower(styler[start + i]));
+               i++;
+       }
+       s[i] = '\0';
+}
+
+void StyleContext::GetCurrentLowered(char *s, unsigned int len) {
+       getRangeLowered(styler.GetStartSegment(), currentPos - 1, styler, s, len);
+}