ICU-62141.0.1.tar.gz

[apple/icu.git] / icuSources / i18n / strmatch.cpp

diff --git a/icuSources/i18n/strmatch.cpp b/icuSources/i18n/strmatch.cpp
index bfd2e672189b85d8ba869d0af9bb61162236b11d..aa9e7ae9d1b909ae8335d137a68159522f30f4bb 100644 (file)
--- a/icuSources/i18n/strmatch.cpp
+++ b/icuSources/i18n/strmatch.cpp
@@ -1,5 +1,9 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
-* Copyright (C) 2001, International Business Machines Corporation and others. All Rights Reserved.
+**********************************************************************
+*   Copyright (c) 2001-2012, International Business Machines Corporation
+*   and others.  All Rights Reserved.
 **********************************************************************
 *   Date        Name        Description
 *   07/23/01    aliu        Creation.
@@ -14,12 +18,11 @@
 #include "rbt_data.h"
 #include "util.h"
 #include "unicode/uniset.h"
+#include "unicode/utf16.h"
 
 U_NAMESPACE_BEGIN
 
-const UChar EMPTY[] = { 0 }; // empty string: ""
-
-const char StringMatcher::fgClassID=0;
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(StringMatcher)
 
 StringMatcher::StringMatcher(const UnicodeString& theString,
                              int32_t start,
@@ -35,7 +38,9 @@ StringMatcher::StringMatcher(const UnicodeString& theString,
 }
 
 StringMatcher::StringMatcher(const StringMatcher& o) :
+    UnicodeFunctor(o),
     UnicodeMatcher(o),
+    UnicodeReplacer(o),
     pattern(o.pattern),
     data(o.data),
     segmentNumber(o.segmentNumber),
@@ -62,7 +67,10 @@ UnicodeFunctor* StringMatcher::clone() const {
  * and return the pointer.
  */
 UnicodeMatcher* StringMatcher::toMatcher() const {
-    return (UnicodeMatcher*) this;
+  StringMatcher  *nonconst_this = const_cast<StringMatcher *>(this);
+  UnicodeMatcher *nonconst_base = static_cast<UnicodeMatcher *>(nonconst_this);
+  
+  return nonconst_base;
 }
 
 /**
@@ -70,7 +78,10 @@ UnicodeMatcher* StringMatcher::toMatcher() const {
  * and return the pointer.
  */
 UnicodeReplacer* StringMatcher::toReplacer() const {
-    return (UnicodeReplacer*) this;
+  StringMatcher  *nonconst_this = const_cast<StringMatcher *>(this);
+  UnicodeReplacer *nonconst_base = static_cast<UnicodeReplacer *>(nonconst_this);
+  
+  return nonconst_base;
 }
 
 /**
@@ -192,14 +203,14 @@ UBool StringMatcher::matchesIndexValue(uint8_t v) const {
  */
 void StringMatcher::addMatchSetTo(UnicodeSet& toUnionTo) const {
     UChar32 ch;
-    for (int32_t i=0; i<pattern.length(); i+=UTF_CHAR_LENGTH(ch)) {
-       ch = pattern.char32At(i);
-       const UnicodeMatcher* matcher = data->lookupMatcher(ch);
-       if (matcher == NULL) {
-           toUnionTo.add(ch);
-       } else {
-           matcher->addMatchSetTo(toUnionTo);
-       }
+    for (int32_t i=0; i<pattern.length(); i+=U16_LENGTH(ch)) {
+        ch = pattern.char32At(i);
+        const UnicodeMatcher* matcher = data->lookupMatcher(ch);
+        if (matcher == NULL) {
+            toUnionTo.add(ch);
+        } else {
+            matcher->addMatchSetTo(toUnionTo);
+        }
     }
 }
 
@@ -209,7 +220,7 @@ void StringMatcher::addMatchSetTo(UnicodeSet& toUnionTo) const {
 int32_t StringMatcher::replace(Replaceable& text,
                                int32_t start,
                                int32_t limit,
-                               int32_t& cursor) {
+                               int32_t& /*cursor*/) {
     
     int32_t outLen = 0;
     
@@ -224,7 +235,7 @@ int32_t StringMatcher::replace(Replaceable& text,
         }
     }
     
-    text.handleReplaceBetween(start, limit, EMPTY); // delete original text
+    text.handleReplaceBetween(start, limit, UnicodeString()); // delete original text
     
     return outLen;
 }
@@ -233,7 +244,7 @@ int32_t StringMatcher::replace(Replaceable& text,
  * UnicodeReplacer API
  */
 UnicodeString& StringMatcher::toReplacerPattern(UnicodeString& rule,
-                                                UBool escapeUnprintable) const {
+                                                UBool /*escapeUnprintable*/) const {
     // assert(segmentNumber > 0);
     rule.truncate(0);
     rule.append((UChar)0x0024 /*$*/);
@@ -254,7 +265,7 @@ UnicodeString& StringMatcher::toReplacerPattern(UnicodeString& rule,
  * into the given set.
  * @param toUnionTo the set into which to union the output characters
  */
-void StringMatcher::addReplacementSetTo(UnicodeSet& toUnionTo) const {
+void StringMatcher::addReplacementSetTo(UnicodeSet& /*toUnionTo*/) const {
     // The output of this replacer varies; it is the source text between
     // matchStart and matchLimit.  Since this varies depending on the
     // input text, we can't compute it here.  We can either do nothing
@@ -274,8 +285,8 @@ void StringMatcher::setData(const TransliterationRuleData* d) {
         if (f != NULL) {
             f->setData(data);
         }
-        i += UTF_CHAR_LENGTH(c);
-    }    
+        i += U16_LENGTH(c);
+    }
 }
 
 U_NAMESPACE_END