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-rw-r--r--scintilla/src/CaseFolder.cxx68
1 files changed, 68 insertions, 0 deletions
diff --git a/scintilla/src/CaseFolder.cxx b/scintilla/src/CaseFolder.cxx
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+++ b/scintilla/src/CaseFolder.cxx
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+// Scintilla source code edit control
+/** @file CaseFolder.cxx
+ ** Classes for case folding.
+ **/
+// Copyright 1998-2013 by Neil Hodgson <neilh@scintilla.org>
+// The License.txt file describes the conditions under which this software may be distributed.
+
+#include <vector>
+#include <algorithm>
+
+#include "CaseConvert.h"
+#include "UniConversion.h"
+#include "CaseFolder.h"
+
+#ifdef SCI_NAMESPACE
+using namespace Scintilla;
+#endif
+
+CaseFolder::~CaseFolder() {
+}
+
+CaseFolderTable::CaseFolderTable() {
+ for (size_t iChar=0; iChar<sizeof(mapping); iChar++) {
+ mapping[iChar] = static_cast<char>(iChar);
+ }
+}
+
+CaseFolderTable::~CaseFolderTable() {
+}
+
+size_t CaseFolderTable::Fold(char *folded, size_t sizeFolded, const char *mixed, size_t lenMixed) {
+ if (lenMixed > sizeFolded) {
+ return 0;
+ } else {
+ for (size_t i=0; i<lenMixed; i++) {
+ folded[i] = mapping[static_cast<unsigned char>(mixed[i])];
+ }
+ return lenMixed;
+ }
+}
+
+void CaseFolderTable::SetTranslation(char ch, char chTranslation) {
+ mapping[static_cast<unsigned char>(ch)] = chTranslation;
+}
+
+void CaseFolderTable::StandardASCII() {
+ for (size_t iChar=0; iChar<sizeof(mapping); iChar++) {
+ if (iChar >= 'A' && iChar <= 'Z') {
+ mapping[iChar] = static_cast<char>(iChar - 'A' + 'a');
+ } else {
+ mapping[iChar] = static_cast<char>(iChar);
+ }
+ }
+}
+
+CaseFolderUnicode::CaseFolderUnicode() {
+ StandardASCII();
+ converter = ConverterFor(CaseConversionFold);
+}
+
+size_t CaseFolderUnicode::Fold(char *folded, size_t sizeFolded, const char *mixed, size_t lenMixed) {
+ if ((lenMixed == 1) && (sizeFolded > 0)) {
+ folded[0] = mapping[static_cast<unsigned char>(mixed[0])];
+ return 1;
+ } else {
+ return converter->CaseConvertString(folded, sizeFolded, mixed, lenMixed);
+ }
+}