diff options
Diffstat (limited to 'scintilla/src/CharClassify.cxx')
| -rw-r--r-- | scintilla/src/CharClassify.cxx | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/scintilla/src/CharClassify.cxx b/scintilla/src/CharClassify.cxx new file mode 100644 index 0000000..c2857b7 --- /dev/null +++ b/scintilla/src/CharClassify.cxx @@ -0,0 +1,78 @@ +// 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 <stdlib.h>
+#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++;
+ }
+ }
+}
+
+int CompareCaseInsensitive(const char *a, const char *b) {
+ while (*a && *b) {
+ if (*a != *b) {
+ char upperA = MakeUpperCase(*a);
+ char upperB = MakeUpperCase(*b);
+ if (upperA != upperB)
+ return upperA - upperB;
+ }
+ a++;
+ b++;
+ }
+ // Either *a or *b is nul
+ return *a - *b;
+}
+
+int CompareNCaseInsensitive(const char *a, const char *b, size_t len) {
+ while (*a && *b && len) {
+ if (*a != *b) {
+ char upperA = MakeUpperCase(*a);
+ char upperB = MakeUpperCase(*b);
+ if (upperA != upperB)
+ return upperA - upperB;
+ }
+ a++;
+ b++;
+ len--;
+ }
+ if (len == 0)
+ return 0;
+ else
+ // Either *a or *b is nul
+ return *a - *b;
+}
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