optimization: make the Translator::find() api index-based

3 files changed, 38 insertions, 35 deletions

diff --git a/tools/linguist/lupdate/merge.cpp b/tools/linguist/lupdate/merge.cpp
index 2d5230b..1c992c3 100644
--- a/tools/linguist/lupdate/merge.cpp
+++ b/tools/linguist/lupdate/merge.cpp
@@ -348,11 +348,11 @@ Translator merge(const Translator &tor, const Translator &virginTor,
 
         if (m.sourceText().isEmpty() && m.id().isEmpty()) {
             // context/file comment
-            TranslatorMessage mv = virginTor.find(m.context());
-            if (!mv.isNull())
-                m.setComment(mv.comment());
+            int mvi = virginTor.find(m.context());
+            if (mvi >= 0)
+                m.setComment(virginTor.constMessage(mvi).comment());
         } else {
-            TranslatorMessage mv;
+            const TranslatorMessage *mv;
             int mvi = virginTor.find(m);
             if (mvi < 0) {
                 if (!(options & HeuristicSimilarText)) {
@@ -362,16 +362,17 @@ Translator merge(const Translator &tor, const Translator &virginTor,
                         obsoleted++;
                     m.clearReferences();
                 } else {
-                    mv = virginTor.find(m.context(), m.comment(), m.allReferences());
-                    if (mv.isNull()) {
+                    mvi = virginTor.find(m.context(), m.comment(), m.allReferences());
+                    if (mvi < 0) {
                         // did not find it in the virgin, mark it as obsolete
                         goto makeObsolete;
                     } else {
+                        mv = &virginTor.constMessage(mvi);
                         // Do not just accept it if its on the same line number,
                         // but different source text.
                         // Also check if the texts are more or less similar before
                         // we consider them to represent the same message...
-                        if (getSimilarityScore(m.sourceText(), mv.sourceText()) >= textSimilarityThreshold) {
+                        if (getSimilarityScore(m.sourceText(), mv->sourceText()) >= textSimilarityThreshold) {
                             // It is just slightly modified, assume that it is the same string
 
                             // Mark it as unfinished. (Since the source text
@@ -382,7 +383,7 @@ Translator merge(const Translator &tor, const Translator &virginTor,
 
                           outdateSource:
                             m.setOldSourceText(m.sourceText());
-                            m.setSourceText(mv.sourceText());
+                            m.setSourceText(mv->sourceText());
                             const QString &oldpluralsource = m.extra(QLatin1String("po-msgid_plural"));
                             if (!oldpluralsource.isEmpty()) {
                                 m.setExtra(QLatin1String("po-old_msgid_plural"), oldpluralsource);
@@ -397,22 +398,22 @@ Translator merge(const Translator &tor, const Translator &virginTor,
                     }
                 }
             } else {
-                mv = virginTor.message(mvi);
-                if (!mv.id().isEmpty()
-                    && (mv.context() != m.context()
-                        || mv.sourceText() != m.sourceText()
-                        || mv.comment() != m.comment())) {
+                mv = &virginTor.message(mvi);
+                if (!mv->id().isEmpty()
+                    && (mv->context() != m.context()
+                        || mv->sourceText() != m.sourceText()
+                        || mv->comment() != m.comment())) {
                     known++;
                     newType = TranslatorMessage::Unfinished;
-                    m.setContext(mv.context());
-                    m.setComment(mv.comment());
-                    if (mv.sourceText() != m.sourceText())
+                    m.setContext(mv->context());
+                    m.setComment(mv->comment());
+                    if (mv->sourceText() != m.sourceText())
                         goto outdateSource;
                 } else {
                     switch (m.type()) {
                     case TranslatorMessage::Finished:
                     default:
-                        if (m.isPlural() == mv.isPlural()) {
+                        if (m.isPlural() == mv->isPlural()) {
                             newType = TranslatorMessage::Finished;
                         } else {
                             newType = TranslatorMessage::Unfinished;
@@ -435,11 +436,11 @@ Translator merge(const Translator &tor, const Translator &virginTor,
                 // have the <location> element.
                 // why not use operator=()? Because it overwrites e.g. userData.
               copyAttribs:
-                m.setReferences(mv.allReferences());
-                m.setPlural(mv.isPlural());
-                m.setUtf8(mv.isUtf8());
-                m.setExtraComment(mv.extraComment());
-                m.setId(mv.id());
+                m.setReferences(mv->allReferences());
+                m.setPlural(mv->isPlural());
+                m.setUtf8(mv->isUtf8());
+                m.setExtraComment(mv->extraComment());
+                m.setId(mv->id());
             }
         }
 
@@ -459,9 +460,10 @@ Translator merge(const Translator &tor, const Translator &virginTor,
             if (tor.find(mv) >= 0)
                 continue;
             if (options & HeuristicSimilarText) {
-                TranslatorMessage m = tor.find(mv.context(), mv.comment(), mv.allReferences());
-                if (!m.isNull()) {
-                    if (getSimilarityScore(m.sourceText(), mv.sourceText()) >= textSimilarityThreshold)
+                int mi = tor.find(mv.context(), mv.comment(), mv.allReferences());
+                if (mi >= 0) {
+                    if (getSimilarityScore(tor.constMessage(mi).sourceText(), mv.sourceText())
+                            >= textSimilarityThreshold)
                         continue;
                 }
             }
diff --git a/tools/linguist/shared/translator.cpp b/tools/linguist/shared/translator.cpp
index 2a15fe7..91a5a26 100644
--- a/tools/linguist/shared/translator.cpp
+++ b/tools/linguist/shared/translator.cpp
@@ -346,7 +346,7 @@ int Translator::find(const TranslatorMessage &msg) const
     return -1;
 }
 
-TranslatorMessage Translator::find(const QString &context,
+int Translator::find(const QString &context,
     const QString &comment, const TranslatorMessage::References &refs) const
 {
     if (!refs.isEmpty()) {
@@ -355,10 +355,10 @@ TranslatorMessage Translator::find(const QString &context,
                 foreach (const TranslatorMessage::Reference &itref, it->allReferences())
                     foreach (const TranslatorMessage::Reference &ref, refs)
                         if (itref == ref)
-                            return *it;
+                            return it - m_messages.constBegin();
         }
     }
-    return TranslatorMessage();
+    return -1;
 }
 
 bool Translator::contains(const QString &context) const
@@ -369,12 +369,12 @@ bool Translator::contains(const QString &context) const
     return false;
 }
 
-TranslatorMessage Translator::find(const QString &context) const
+int Translator::find(const QString &context) const
 {
-    foreach (const TranslatorMessage &msg, m_messages)
-        if (msg.context() == context && msg.sourceText().isEmpty() && msg.id().isEmpty())
-            return msg;
-    return TranslatorMessage();
+    for (TMM::ConstIterator it = m_messages.constBegin(); it != m_messages.constEnd(); ++it)
+        if (it->context() == context && it->sourceText().isEmpty() && it->id().isEmpty())
+            return it - m_messages.constBegin();
+    return -1;
 }
 
 void Translator::stripObsoleteMessages()
diff --git a/tools/linguist/shared/translator.h b/tools/linguist/shared/translator.h
index b9bc94c..41f0396 100644
--- a/tools/linguist/shared/translator.h
+++ b/tools/linguist/shared/translator.h
@@ -127,11 +127,11 @@ public:
     bool save(const QString &filename, ConversionData &err, const QString &format /* = "auto" */) const;
 
     int find(const TranslatorMessage &msg) const;
-    TranslatorMessage find(const QString &context,
+    int find(const QString &context,
         const QString &comment, const TranslatorMessage::References &refs) const;
 
     bool contains(const QString &context) const;
-    TranslatorMessage find(const QString &context) const;
+    int find(const QString &context) const;
 
     void replaceSorted(const TranslatorMessage &msg);
     void extend(const TranslatorMessage &msg); // Only for single-location messages
@@ -178,6 +178,7 @@ public:
     int messageCount() const { return m_messages.size(); }
     TranslatorMessage &message(int i) { return m_messages[i]; }
     const TranslatorMessage &message(int i) const { return m_messages.at(i); }
+    const TranslatorMessage &constMessage(int i) const { return m_messages.at(i); }
     void dump() const;
 
     // additional file format specific data