From 97312baf0456007047c196adc8970a5119feebce Mon Sep 17 00:00:00 2001
From: APTX <marek321@gmail.com>
Date: Sat, 11 Dec 2010 18:29:26 +0100
Subject: [PATCH] Add basis to retrieve used rename variables from the rename
 scripts.

---
 renameparser/AniAdd/renameparser.cpp |  2 +-
 renameparser/ECMAScript/parser.cpp   |  3 ++-
 renameparser/abstractparser.cpp      | 23 ++++++++++++++++++++++-
 renameparser/abstractparser.h        |  8 +++++++-
 4 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/renameparser/AniAdd/renameparser.cpp b/renameparser/AniAdd/renameparser.cpp
index e1b1c0d..0304a5e 100644
--- a/renameparser/AniAdd/renameparser.cpp
+++ b/renameparser/AniAdd/renameparser.cpp
@@ -71,7 +71,7 @@ QString RenameParser::evaluate(Environment &env) const
 
 bool RenameParser::parse(const QString &string)
 {
-	m_renameString = string;
+	AbstractParser::parse(string);
 	lexer->lex(string);
 	return parse(lexer);
 }
diff --git a/renameparser/ECMAScript/parser.cpp b/renameparser/ECMAScript/parser.cpp
index 9ab685b..46feaa4 100644
--- a/renameparser/ECMAScript/parser.cpp
+++ b/renameparser/ECMAScript/parser.cpp
@@ -27,11 +27,12 @@ Parser::Parser() : AbstractParser()
 
 bool Parser::parse(const QString &string)
 {
+	AbstractParser::parse(string);
+
 	m_error = "";
 	m_line = 0;
 	m_column = 0;
 
-	m_renameString = string;
 	QScriptSyntaxCheckResult checkResult = engine.checkSyntax(string);
 
 	if (checkResult.state() == QScriptSyntaxCheckResult::Valid)
diff --git a/renameparser/abstractparser.cpp b/renameparser/abstractparser.cpp
index 97cd47a..c6f6584 100644
--- a/renameparser/abstractparser.cpp
+++ b/renameparser/abstractparser.cpp
@@ -2,7 +2,7 @@
 
 namespace RenameParser {
 
-AbstractParser::AbstractParser()
+AbstractParser::AbstractParser() : m_obtainedUsedVariables(false)
 {
 }
 
@@ -10,6 +10,14 @@ AbstractParser::~AbstractParser()
 {
 }
 
+bool AbstractParser::parse(const QString &string)
+{
+	m_renameString = string;
+	m_obtainedUsedVariables = false;
+	m_usedVariables.clear();
+	return true;
+}
+
 QString AbstractParser::renameString() const
 {
 	return m_renameString;
@@ -25,4 +33,17 @@ int AbstractParser::column() const
 	return 0;
 }
 
+QStringList AbstractParser::usedVariables() const
+{
+	if (m_obtainedUsedVariables)
+		return m_usedVariables;
+
+	static QStringList variables;
+	variables;
+
+	m_obtainedUsedVariables = true;
+
+	return m_usedVariables;
+}
+
 } // namespace
diff --git a/renameparser/abstractparser.h b/renameparser/abstractparser.h
index dc30190..ceb9fa6 100644
--- a/renameparser/abstractparser.h
+++ b/renameparser/abstractparser.h
@@ -2,6 +2,7 @@
 #define ABSTRACTPARSER_H
 
 #include <QString>
+#include <QStringList>
 #include <QMap>
 
 namespace RenameParser {
@@ -15,16 +16,21 @@ public:
 	virtual ~AbstractParser();
 
 	virtual QString renameString() const;
-	virtual bool parse(const QString &string) = 0;
+	virtual bool parse(const QString &string);
 
 	virtual QString evaluate(Environment &env) const = 0;
 
+	virtual QStringList usedVariables() const;
+
 	virtual QString error() const = 0;
 	virtual int line() const;
 	virtual int column() const;
 
 protected:
 	QString m_renameString;
+
+	mutable QStringList m_usedVariables;
+	mutable bool m_obtainedUsedVariables;
 };
 
 } // namespace
-- 
2.52.0