prepare for translator impl

tools/settingsgenerator/main.cpp

@@ -5,6 +5,7 @@
 #include <QDebug>
 
 #include "settingsgenerator.h"
+#include "settingstranslator.h"
 
 int main(int argc, char *argv[])
 {
@@ -42,15 +43,26 @@ int main(int argc, char *argv[])
 
 	parser.process(a);
 
-	try {
-		SettingsGenerator generator {
-			parser.value(QStringLiteral("header")),
-			parser.value(QStringLiteral("impl"))
-		};
-		generator.process(parser.value(QStringLiteral("in")));
-		return EXIT_SUCCESS;
-	} catch (SettingsGenerator::Exception &e) {
-		qCritical() << e.what();
-		return EXIT_FAILURE;
+	if(parser.isSet(QStringLiteral("translate"))) {
+		try {
+			SettingsTranslator translator {parser.value(QStringLiteral("impl"))};
+			translator.process(parser.value(QStringLiteral("in")));
+			return EXIT_SUCCESS;
+		} catch (SettingsTranslator::Exception &e) {
+			qCritical() << e.what();
+			return EXIT_FAILURE;
+		}
+	} else {
+		try {
+			SettingsGenerator generator {
+				parser.value(QStringLiteral("header")),
+				parser.value(QStringLiteral("impl"))
+			};
+			generator.process(parser.value(QStringLiteral("in")));
+			return EXIT_SUCCESS;
+		} catch (SettingsGenerator::Exception &e) {
+			qCritical() << e.what();
+			return EXIT_FAILURE;
+		}
 	}
 }

tools/settingsgenerator/settingsconfigimpl.cpp

@@ -0,0 +1,109 @@
+#include "settingsconfigimpl.h"
+
+#include <QtCore/QFileInfo>
+#include <QtCore/QDir>
+#include <QtCore/QDebug>
+
+namespace {
+
+using SourceType = SettingsConfigBase::variant<SettingsConfigBase::SettingsConfigType, SettingsConfigBase::CategoryType, SettingsConfigBase::SectionType, SettingsConfigBase::GroupType, SettingsConfigBase::EntryType>;
+
+template <typename TVariantTarget>
+void convertElement(QXmlStreamReader &reader, TVariantTarget &, SourceType &&)
+{
+	throw SettingsConfigBase::XmlException{reader, QStringLiteral("Unexpected root element in included file")};
+}
+
+template <typename TVariantTarget, typename TType, typename... TArgs>
+void convertElement(QXmlStreamReader &reader, TVariantTarget &target, SourceType &&source)
+{
+	if(nonstd::holds_alternative<TType>(source))
+		target = nonstd::get<TType>(std::move(source));
+	else
+		convertElement<TVariantTarget, TArgs...>(reader, target, std::move(source));
+}
+
+template <typename T>
+struct VariantInfo {};
+
+template <typename... TArgs>
+struct VariantInfo<QList<SettingsConfigBase::variant<SettingsConfigBase::IncludeType, TArgs...>>>
+{
+	using TargetType = SettingsConfigBase::variant<SettingsConfigBase::IncludeType, TArgs...>;
+	static void convert(QXmlStreamReader &reader, TargetType &target, SourceType &&source) {
+		convertElement<TargetType, TArgs...>(reader, target, std::move(source));
+	}
+};
+
+}
+
+bool SettingsConfigImpl::finish_group_content(QXmlStreamReader &reader, GroupContentGroup &data, bool hasNext)
+{
+	hasNext = read_GroupContentGroup(reader, data, hasNext);
+	finishContents(reader, data.content);
+	return hasNext;
+}
+
+bool SettingsConfigImpl::finish_section_content(QXmlStreamReader &reader, SectionContentGroup &data, bool hasNext)
+{
+	hasNext = read_SectionContentGroup(reader, data, hasNext);
+	finishContents(reader, data.content);
+	return hasNext;
+}
+
+bool SettingsConfigImpl::finish_category_content(QXmlStreamReader &reader, CategoryContentGroup &data, bool hasNext)
+{
+	hasNext = read_CategoryContentGroup(reader, data, hasNext);
+	finishContents(reader, data.content);
+	return hasNext;
+}
+
+bool SettingsConfigImpl::finish_settings_config_content(QXmlStreamReader &reader, SettingsConfigContentGroup &data, bool hasNext)
+{
+	hasNext = read_SettingsConfigContentGroup(reader, data, hasNext);
+	finishContents(reader, data.content);
+	return hasNext;
+}
+
+template<typename TGroup>
+void SettingsConfigImpl::finishContents(QXmlStreamReader &reader, TGroup &group)
+{
+	optional<std::size_t> index;
+	for(auto it = group.begin(); it != group.end();) {
+		// convert includes to the actual data
+		if(nonstd::holds_alternative<IncludeType>(*it)) {
+			if(!readGeneralInclude(reader, nonstd::get<IncludeType>(*it), it, group))
+				continue;
+		}
+		// verify that the contents are all of the same type
+		if(index) {
+			if(index.value() != it->index())
+				throw XmlException{reader, QStringLiteral("Detected mixture of different child elements. Only includes and a single other type are allowed")};
+		} else
+			index = it->index();
+		++it;
+	}
+}
+
+template<typename TIter, typename TList>
+bool SettingsConfigImpl::readGeneralInclude(QXmlStreamReader &reader, IncludeType include, TIter &it, TList &list)
+{
+	try {
+		//make the path relative if possbile
+		if(dynamic_cast<QFileDevice*>(reader.device())) {
+			QFileInfo docInfo{static_cast<QFileDevice*>(reader.device())->fileName()};
+			include.includePath = docInfo.dir().absoluteFilePath(include.includePath);
+		}
+		// read the document
+		VariantInfo<TList>::convert(reader, *it, readDocument(include.includePath));
+		return true;
+	} catch(FileException &e) {
+		if(include.optional) {
+			qWarning() << e.what();
+			it = list.erase(it);
+			return false;
+		} else
+			throw;
+	}
+}
+

tools/settingsgenerator/settingsconfigimpl.h

@@ -0,0 +1,21 @@
+#ifndef SETTINGSCONFIGIMPL_H
+#define SETTINGSCONFIGIMPL_H
+
+#include "settingsconfig.h"
+
+class SettingsConfigImpl : public SettingsConfigBase
+{
+protected:
+	bool finish_group_content(QXmlStreamReader &reader, GroupContentGroup &data, bool hasNext) override;
+	bool finish_section_content(QXmlStreamReader &reader, SectionContentGroup &data, bool hasNext) override;
+	bool finish_category_content(QXmlStreamReader &reader, CategoryContentGroup &data, bool hasNext) override;
+	bool finish_settings_config_content(QXmlStreamReader &reader, SettingsConfigContentGroup &data, bool hasNext) override;
+
+private:
+	template <typename TGroup>
+	void finishContents(QXmlStreamReader &reader, TGroup &group);
+	template <typename TIter, typename TList>
+	bool readGeneralInclude(QXmlStreamReader &reader, IncludeType include, TIter &it, TList &list);
+};
+
+#endif // SETTINGSCONFIGIMPL_H

tools/settingsgenerator/settingsgenerator.cpp

@@ -64,7 +64,7 @@ void SettingsGenerator::read_included_file(QXmlStreamReader &reader, NodeContent
 		if(subReader.name() == QStringLiteral("Settings")) {
 			read_SettingsType(subReader, settings);
 		} else if(subReader.name() == QStringLiteral("SettingsConfig")) {
-			SettingsTranslator confReader;
+			SettingsConfigImpl confReader;
 			SettingsConfigBase::SettingsConfigType settingsConf;
 			confReader.read_SettingsConfigType(subReader, settingsConf);
 			convertFromConf(reader, settingsConf, settings);

tools/settingsgenerator/settingsgenerator.h

@@ -5,7 +5,7 @@
 #include <QTextStream>
 
 #include "qsettingsgenerator.h"
-#include "settingstranslator.h"
+#include "settingsconfigimpl.h"
 
 class SettingsGenerator : public SettingsGeneratorBase
 {

tools/settingsgenerator/settingsgenerator.pro

@@ -16,12 +16,14 @@ DEFINES += "BUNDLE_PREFIX=\\\"$$BUNDLE_PREFIX\\\""
 
 HEADERS += \
 	settingsgenerator.h \
-	settingstranslator.h
+	settingstranslator.h \
+    settingsconfigimpl.h
 
 SOURCES += \
 	main.cpp \
 	settingsgenerator.cpp \
-	settingstranslator.cpp
+	settingstranslator.cpp \
+    settingsconfigimpl.cpp
 
 XML_SCHEMA_DEFINITIONS += \
 	qsettingsgenerator.xsd \

tools/settingsgenerator/settingstranslator.cpp

@@ -1,108 +1,19 @@
 #include "settingstranslator.h"
 
-#include <QtCore/QFileInfo>
-#include <QtCore/QDir>
-#include <QtCore/QDebug>
+SettingsTranslator::SettingsTranslator(const QString &srcPath) :
+	_srcFile{srcPath},
+	_src{&_srcFile}
+{}
 
-namespace {
-
-using SourceType = SettingsConfigBase::variant<SettingsConfigBase::SettingsConfigType, SettingsConfigBase::CategoryType, SettingsConfigBase::SectionType, SettingsConfigBase::GroupType, SettingsConfigBase::EntryType>;
-
-template <typename TVariantTarget>
-void convertElement(QXmlStreamReader &reader, TVariantTarget &, SourceType &&)
-{
-	throw SettingsConfigBase::XmlException{reader, QStringLiteral("Unexpected root element in included file")};
-}
-
-template <typename TVariantTarget, typename TType, typename... TArgs>
-void convertElement(QXmlStreamReader &reader, TVariantTarget &target, SourceType &&source)
-{
-	if(nonstd::holds_alternative<TType>(source))
-		target = nonstd::get<TType>(std::move(source));
-	else
-		convertElement<TVariantTarget, TArgs...>(reader, target, std::move(source));
-}
-
-template <typename T>
-struct VariantInfo {};
-
-template <typename... TArgs>
-struct VariantInfo<QList<SettingsConfigBase::variant<SettingsConfigBase::IncludeType, TArgs...>>>
-{
-	using TargetType = SettingsConfigBase::variant<SettingsConfigBase::IncludeType, TArgs...>;
-	static void convert(QXmlStreamReader &reader, TargetType &target, SourceType &&source) {
-		convertElement<TargetType, TArgs...>(reader, target, std::move(source));
-	}
-};
-
-}
-
-bool SettingsTranslator::finish_group_content(QXmlStreamReader &reader, GroupContentGroup &data, bool hasNext)
-{
-	hasNext = read_GroupContentGroup(reader, data, hasNext);
-	finishContents(reader, data.content);
-	return hasNext;
-}
-
-bool SettingsTranslator::finish_section_content(QXmlStreamReader &reader, SectionContentGroup &data, bool hasNext)
-{
-	hasNext = read_SectionContentGroup(reader, data, hasNext);
-	finishContents(reader, data.content);
-	return hasNext;
-}
-
-bool SettingsTranslator::finish_category_content(QXmlStreamReader &reader, CategoryContentGroup &data, bool hasNext)
-{
-	hasNext = read_CategoryContentGroup(reader, data, hasNext);
-	finishContents(reader, data.content);
-	return hasNext;
-}
-
-bool SettingsTranslator::finish_settings_config_content(QXmlStreamReader &reader, SettingsConfigContentGroup &data, bool hasNext)
+void SettingsTranslator::process(const QString &inPath)
 {
-	hasNext = read_SettingsConfigContentGroup(reader, data, hasNext);
-	finishContents(reader, data.content);
-	return hasNext;
+	auto settings = readDocument(inPath);
+	if(!nonstd::holds_alternative<SettingsConfigType>(settings))
+		throw XmlException{inPath, 0, 0, QStringLiteral("Expected the root element to be a SettingsConfig element")};
+	writeTranslations(nonstd::get<SettingsConfigType>(settings));
 }
 
-template<typename TGroup>
-void SettingsTranslator::finishContents(QXmlStreamReader &reader, TGroup &group)
+void SettingsTranslator::writeTranslations(const SettingsConfigBase::SettingsConfigType &settings)
 {
-	optional<std::size_t> index;
-	for(auto it = group.begin(); it != group.end();) {
-		// convert includes to the actual data
-		if(nonstd::holds_alternative<IncludeType>(*it)) {
-			if(!readGeneralInclude(reader, nonstd::get<IncludeType>(*it), it, group))
-				continue;
-		}
-		// verify that the contents are all of the same type
-		if(index) {
-			if(index.value() != it->index())
-				throw XmlException{reader, QStringLiteral("Detected mixture of different child elements. Only includes and a single other type are allowed")};
-		} else
-			index = it->index();
-		++it;
-	}
-}
 
-template<typename TIter, typename TList>
-bool SettingsTranslator::readGeneralInclude(QXmlStreamReader &reader, IncludeType include, TIter &it, TList &list)
-{
-	try {
-		//make the path relative if possbile
-		if(dynamic_cast<QFileDevice*>(reader.device())) {
-			QFileInfo docInfo{static_cast<QFileDevice*>(reader.device())->fileName()};
-			include.includePath = docInfo.dir().absoluteFilePath(include.includePath);
-		}
-		// read the document
-		VariantInfo<TList>::convert(reader, *it, readDocument(include.includePath));
-		return true;
-	} catch(FileException &e) {
-		if(include.optional) {
-			qWarning() << e.what();
-			it = list.erase(it);
-			return false;
-		} else
-			throw;
-	}
 }

tools/settingsgenerator/settingstranslator.h

@@ -1,21 +1,23 @@
 #ifndef SETTINGSTRANSLATOR_H
 #define SETTINGSTRANSLATOR_H
 
-#include "settingsconfig.h"
+#include <QFile>
+#include <QTextStream>
 
-class SettingsTranslator : public SettingsConfigBase
+#include "settingsconfigimpl.h"
+
+class SettingsTranslator : public SettingsConfigImpl
 {
-protected:
-	bool finish_group_content(QXmlStreamReader &reader, GroupContentGroup &data, bool hasNext) override;
-	bool finish_section_content(QXmlStreamReader &reader, SectionContentGroup &data, bool hasNext) override;
-	bool finish_category_content(QXmlStreamReader &reader, CategoryContentGroup &data, bool hasNext) override;
-	bool finish_settings_config_content(QXmlStreamReader &reader, SettingsConfigContentGroup &data, bool hasNext) override;
+public:
+	SettingsTranslator(const QString &srcPath);
+
+	void process(const QString &inPath);
 
 private:
-	template <typename TGroup>
-	void finishContents(QXmlStreamReader &reader, TGroup &group);
-	template <typename TIter, typename TList>
-	bool readGeneralInclude(QXmlStreamReader &reader, IncludeType include, TIter &it, TList &list);
+	QFile _srcFile;
+	QTextStream _src;
+
+	void writeTranslations(const SettingsConfigType &settings);
 };
 
 #endif // SETTINGSTRANSLATOR_H