diff -r e753a7f967c8 -r ae8775e0bc7a src/INIWriter.h
--- a/src/INIWriter.h	Fri Dec 11 12:34:42 2020 +0100
+++ b/src/INIWriter.h	Sat Dec 12 00:01:57 2020 +0100
@@ -22,6 +22,10 @@
 #include <relpipe/common/type/typedefs.h>
 #include <relpipe/reader/RelpipeReaderException.h>
 
+#include "uri.h"
+#include "Dialect.h"
+#include "EscapingProcessor.h"
+
 namespace relpipe {
 namespace out {
 namespace ini {
@@ -35,34 +39,68 @@
 	std::string commentSeparatorForSections = " ; ";
 	std::string commentSeparatorForEntries = " ; ";
 	std::string commentSeparatorStandalone = "; ";
-	
+
 	bool hasContent = false;
 
-	enum class TokenType {
-		SectionName,
-		SectionTag,
-		SectionComment,
-		EntryKey,
-		EntrySubKey,
-		EntryValue,
-		EntryComment,
-		StandaloneComment,
+	/**
+	 * TODO: use a common method
+	 */
+	bool parseBoolean(const relpipe::common::type::StringX& value) {
+		if (value == L"true") return true;
+		else if (value == L"false") return false;
+		else throw relpipe::reader::RelpipeReaderException(L"Unable to parse boolean value: " + value + L" (expecting true or false)");
+	}
+
+	std::string escape(const relpipe::common::type::StringX& value, EscapingProcessor::TextType type) {
+		relpipe::common::type::StringX result = value;
+		EscapingProcessor::QuotingType quotingType = EscapingProcessor::QuotingType::None;
+		for (ConfiguredEscapingProcessor p : escapingProcessors) if (p.enbaled) result = p.processor->escape(result, type, quotingType);
+		return convertor.to_bytes(result);
+	}
+
+	class ConfiguredEscapingProcessor {
+	public:
+		std::shared_ptr<EscapingProcessor> processor;
+		const relpipe::common::type::StringX uri;
+		bool enbaled;
+
+		ConfiguredEscapingProcessor(std::shared_ptr<EscapingProcessor> processor, const relpipe::common::type::StringX uri, bool enbaled) : processor(processor), uri(uri), enbaled(enbaled) {
+		}
+
 	};
 
-	std::string escape(TokenType type, relpipe::common::type::StringX value) {
-		std::wstringstream result;
+	std::vector<ConfiguredEscapingProcessor> escapingProcessors;
 
-		for (wchar_t ch : value) {
-			if (ch == L'\\') result << "\\\\";
-			else if (ch == L'\n') result << L"\\n";
-			else if (ch == L'\r') result << L"\\r";
-			else if (ch == L'\t') result << L"\\t";
-			else if (ch == L'"') result << "\\\"";
-			else result.put(ch);
+	bool setEscaping(const relpipe::common::type::StringX& uri, const relpipe::common::type::StringX& value) {
+		for (ConfiguredEscapingProcessor& p : escapingProcessors) {
+			if (p.uri == uri) {
+				p.enbaled = parseBoolean(value);
+				return true;
+			}
+		}
+		return false;
+	}
+
+	class ConfiguredDialect {
+	public:
+		std::shared_ptr<Dialect> dialect;
+		const relpipe::common::type::StringX uri;
+
+		ConfiguredDialect(std::shared_ptr<Dialect> dialect, const relpipe::common::type::StringX uri) : dialect(dialect), uri(uri) {
 		}
 
-		// TODO: modular escaping (like unescaping in relpipe-in-ini)
-		return convertor.to_bytes(result.str());
+	};
+
+	std::vector<ConfiguredDialect> dialects;
+
+	void setDialect(const relpipe::common::type::StringX& uri) {
+		for (ConfiguredDialect& d : dialects) {
+			if (d.uri == uri) {
+				d.dialect->apply(*this);
+				return;
+			}
+		}
+		throw relpipe::reader::RelpipeReaderException(L"Unsupported INI dialect: " + uri);
 	}
 
 public:
@@ -99,18 +137,27 @@
 	};
 
 	void setOption(relpipe::common::type::StringX uri, relpipe::common::type::StringX value) {
-		// TODO: setOption()
-		if (uri == L"dialect");
-		else if (uri == L"comment-separator-for-sections") commentSeparatorForSections = convertor.to_bytes(value);
-		else if (uri == L"comment-separator-for-entries") commentSeparatorForEntries = convertor.to_bytes(value);
-		else if (uri == L"comment-separator-standalone") commentSeparatorStandalone = convertor.to_bytes(value);
-		else if (uri == L"key-value-separator") keyValueSeparator = convertor.to_bytes(value);
-		else if (uri == L"escape-backspace");
-		else if (uri == L"escape-basic");
-		else if (uri == L"escape-java-properties");
+		// TODO: setOption(): escaping, quotes, allow-sections
+		if (uri == option::Dialect) setDialect(value);
+		else if (uri == option::CommentSeparatorForSections) commentSeparatorForSections = convertor.to_bytes(value);
+		else if (uri == option::CommentSeparatorForEntries) commentSeparatorForEntries = convertor.to_bytes(value);
+		else if (uri == option::CommentSeparatorStandalone) commentSeparatorStandalone = convertor.to_bytes(value);
+		else if (uri == option::KeyValueSeparator) keyValueSeparator = convertor.to_bytes(value);
+		else if (uri == option::AllowSections);
+		else if (uri == option::Quotes);
+		else if (setEscaping(uri, value));
 		else throw relpipe::reader::RelpipeReaderException(L"Unsupported writer option: " + uri);
 	}
 
+	void addDialect(std::shared_ptr<Dialect> dialect, const relpipe::common::type::StringX uri, bool enabledByDefault) {
+		dialects.push_back({dialect, uri});
+		if (enabledByDefault) dialect->apply(*this);
+	}
+
+	void addEscapingProcessor(std::shared_ptr<EscapingProcessor> processor, const relpipe::common::type::StringX uri, bool enabledByDefault) {
+		escapingProcessors.push_back({processor, uri, enabledByDefault});
+	}
+
 	void startDocument() {
 	}
 
@@ -120,9 +167,9 @@
 
 	void startSection(const SectionStartEvent& event) {
 		if (hasContent) output << std::endl;
-		output << "[" << escape(TokenType::SectionName, event.name) << "]";
-		if (event.tag.size()) output << "[" << escape(TokenType::SectionTag, event.tag) << "]";
-		if (event.comment.size()) output << commentSeparatorForSections << escape(TokenType::SectionComment, event.comment);
+		output << "[" << escape(event.name, EscapingProcessor::TextType::SectionName) << "]";
+		if (event.tag.size()) output << "[" << escape(event.tag, EscapingProcessor::TextType::SectionTag) << "]";
+		if (event.comment.size()) output << commentSeparatorForSections << escape(event.comment, EscapingProcessor::TextType::SectionComment);
 		output << std::endl;
 		hasContent = true;
 	}
@@ -132,16 +179,16 @@
 	}
 
 	void entry(const EntryEvent& event) {
-		output << escape(TokenType::EntryKey, event.key);
-		if (event.subKey.size()) output << "[" << escape(TokenType::EntrySubKey, event.subKey) << "]";
-		output << keyValueSeparator << escape(TokenType::EntryValue, event.value);
-		if (event.comment.size()) output << commentSeparatorForEntries << escape(TokenType::EntryComment, event.comment);
+		output << escape(event.key, EscapingProcessor::TextType::EntryKey);
+		if (event.subKey.size()) output << "[" << escape(event.subKey, EscapingProcessor::TextType::EntrySubKey) << "]";
+		output << keyValueSeparator << escape(event.value, EscapingProcessor::TextType::EntryValue);
+		if (event.comment.size()) output << commentSeparatorForEntries << escape(event.comment, EscapingProcessor::TextType::EntryComment);
 		output << std::endl;
 		hasContent = true;
 	}
 
 	void comment(const CommentEvent& event) {
-		output << commentSeparatorStandalone << escape(TokenType::StandaloneComment, event.comment);
+		output << commentSeparatorStandalone << escape(event.comment, EscapingProcessor::TextType::StandaloneComment);
 		output << std::endl;
 		hasContent = true;
 	}