From b50c56cbeafa1ea15d71829ef2f633cb212f8fcc Mon Sep 17 00:00:00 2001
From: Vlad Voicu <vladvoic@gmail.com>
Date: Tue, 29 Nov 2011 04:41:07 +0200
Subject: Added Factory for creeating SpellCheckers


diff --git a/SwifTools/HunspellChecker.cpp b/SwifTools/HunspellChecker.cpp
new file mode 100644
index 0000000..2a36930
--- /dev/null
+++ b/SwifTools/HunspellChecker.cpp
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2011 Voicu Vlad
+ * Licensed under the Simplified BSD license.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#include <SwifTools/HunspellChecker.h>
+
+#include <algorithm>
+#include <hunspell/hunspell.hxx>
+#include <boost/algorithm/string.hpp>
+
+
+namespace Swift {
+
+HunspellChecker::HunspellChecker(const char* affix_path, const char* dictionary_path) {
+	speller_ = new Hunspell(affix_path, dictionary_path);
+}
+
+HunspellChecker::~HunspellChecker() {
+	delete speller_;
+}
+
+bool HunspellChecker::isCorrect(const std::string& word) {
+	return speller_->spell(word.c_str());
+}
+
+void HunspellChecker::getSuggestions(const std::string& word, std::vector<std::string>& list) {
+	char **suggestList;
+	int words_returned;
+	if (!word.empty()) {
+		words_returned = speller_->suggest(&suggestList, word.c_str());
+	}
+	for (int i = 0; i < words_returned; ++i) {
+		list.push_back(suggestList[i]);
+		free(suggestList[i]);
+	}
+}
+
+}
diff --git a/SwifTools/HunspellChecker.h b/SwifTools/HunspellChecker.h
new file mode 100644
index 0000000..7117ccd
--- /dev/null
+++ b/SwifTools/HunspellChecker.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2011 Voicu Vlad
+ * Licensed under the Simplified BSD license.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#include <vector>
+#include <boost/algorithm/string.hpp>
+#include <SwifTools/SpellChecker.h>
+
+#pragma once
+
+class Hunspell;
+
+namespace Swift {
+	class HunspellChecker : public SpellChecker {
+		public:
+			HunspellChecker(const char* affix_path, const char* dict_path);
+			virtual ~HunspellChecker();
+			virtual bool isCorrect(const std::string& word);
+			virtual void getSuggestions(const std::string& word, std::vector<std::string>& list);
+		private:
+			Hunspell* speller_;
+	};
+}
diff --git a/SwifTools/SConscript b/SwifTools/SConscript
index ac2dc6b..9a50b38 100644
--- a/SwifTools/SConscript
+++ b/SwifTools/SConscript
@@ -28,7 +28,8 @@ if env["SCONS_STAGE"] == "build" :
 			"Linkify.cpp",
 			"TabComplete.cpp",
 			"LastLineTracker.cpp",
-			"SpellChecker.cpp",
+			"SpellCheckerFactory.cpp",
+			"HunspellChecker.cpp",
 		]
 
 	if swiftools_env.get("HAVE_SPARKLE", 0) :
diff --git a/SwifTools/SpellChecker.h b/SwifTools/SpellChecker.h
index 1c3148b..64a7c95 100644
--- a/SwifTools/SpellChecker.h
+++ b/SwifTools/SpellChecker.h
@@ -4,21 +4,16 @@
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
 
-#include <vector>
 #include <boost/algorithm/string.hpp>
+#include <vector>
 
 #pragma once
 
-class Hunspell;
-
 namespace Swift {
 	class SpellChecker {
 		public:
-			SpellChecker();
-			~SpellChecker();
-			bool isCorrect(const std::string& word);
-			void getSuggestions(const std::string& word, std::vector<std::string>& list);
-		private:
-			Hunspell* speller_;
+			virtual ~SpellChecker() { };
+			virtual bool isCorrect(const std::string& word) = 0;
+			virtual void getSuggestions(const std::string& word, std::vector<std::string>& list) = 0;
 	};
 }
diff --git a/SwifTools/SpellCheckerFactory.cpp b/SwifTools/SpellCheckerFactory.cpp
new file mode 100644
index 0000000..46c8f65
--- /dev/null
+++ b/SwifTools/SpellCheckerFactory.cpp
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2011 Voicu Vlad
+ * Licensed under the Simplified BSD license.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#include <SwifTools/SpellChecker.h>
+#include <SwifTools/HunspellChecker.h>
+#include <SwifTools/SpellCheckerFactory.h>
+
+#ifdef HAVE_HUNSPELL
+#include <hunspell/hunspell.hxx>
+#else
+#define HAVE_NO_SPELL_CHECK
+#endif
+
+namespace Swift {
+
+SpellCheckerFactory::SpellCheckerFactory() {
+}
+
+SpellChecker* SpellCheckerFactory::createSpellChecker() {
+#ifdef HAVE_HUNSPELL
+	//TODO(vladv): Do something smart about finding available dictionaries,
+	// maybe a UI button to select language from available dictionaries?
+	const char* dictPath = "/usr/share/hunspell/en_US.dic";
+	const char* affixPath = "/usr/share/hunspell/en_US.aff";
+	return new HunspellChecker(affixPath, dictPath);
+#endif
+}
+
+}
diff --git a/SwifTools/SpellCheckerFactory.h b/SwifTools/SpellCheckerFactory.h
new file mode 100644
index 0000000..72ed911
--- /dev/null
+++ b/SwifTools/SpellCheckerFactory.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2011 Voicu Vlad
+ * Licensed under the Simplified BSD license.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#pragma once
+
+#define HAVE_HUNSPELL
+
+namespace Swift {
+	class SpellChecker;
+	class SpellCheckerFactory {
+		public:
+			SpellCheckerFactory();
+			SpellChecker* createSpellChecker();
+	};
+}
diff --git a/Swift/QtUI/QtTextEdit.cpp b/Swift/QtUI/QtTextEdit.cpp
index e1fdd26..0d0f31c 100644
--- a/Swift/QtUI/QtTextEdit.cpp
+++ b/Swift/QtUI/QtTextEdit.cpp
@@ -4,6 +4,7 @@
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
 
+#include <SwifTools/SpellCheckerFactory.h>
 #include <SwifTools/SpellChecker.h>
 
 #include <Swift/QtUI/QtTextEdit.h>
@@ -16,10 +17,12 @@
 
 namespace Swift {
 
-QtTextEdit::QtTextEdit(QWidget* parent) : QTextEdit(parent){
+QtTextEdit::QtTextEdit(QWidget* parent) : QTextEdit(parent) {
 	connect(this, SIGNAL(textChanged()), this, SLOT(handleTextChanged()));
 	handleTextChanged();
-	checker_ = new SpellChecker();
+	SpellCheckerFactory *checkerFactory = new SpellCheckerFactory();
+	checker_ = checkerFactory->createSpellChecker();
+	delete checkerFactory;
 };
 
 QtTextEdit::~QtTextEdit() {
-- 
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