From f255f93b9e02515322039be39f841873e4706911 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=BCrgen=20Spitzm=C3=BCller?= <spitz@lyx.org>
Date: Tue, 7 Dec 2010 09:00:50 +0000
Subject: [PATCH] * Follow Vincent's advice to keep constness. Thanks Vincent.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36759 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/Buffer.cpp                      | 4 ++--
 src/Buffer.h                        | 6 +++---
 src/frontends/qt4/GuiViewSource.cpp | 3 +--
 3 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index 1509b5ba28..48dbe7398d 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -3072,7 +3072,7 @@ void Buffer::changeRefsIfUnique(docstring const & from, docstring const & to,
 
 
 void Buffer::getSourceCode(odocstream & os, pit_type par_begin,
-	pit_type par_end, bool full_source)
+	pit_type par_end, bool full_source) const
 {
 	OutputParams runparams(&params().encoding());
 	runparams.nice = true;
@@ -3388,7 +3388,7 @@ string Buffer::getDefaultOutputFormat() const
 }
 
 
-OutputParams::FLAVOR Buffer::getDefaultOutputFlavor()
+OutputParams::FLAVOR Buffer::getDefaultOutputFlavor() const
 {
 	string const dformat = getDefaultOutputFormat();
 	DefaultFlavorCache::const_iterator it =
diff --git a/src/Buffer.h b/src/Buffer.h
index c9f82068b3..a2a74136a5 100644
--- a/src/Buffer.h
+++ b/src/Buffer.h
@@ -554,7 +554,7 @@ public:
 	/// get source code (latex/docbook) for some paragraphs, or all paragraphs
 	/// including preamble
 	void getSourceCode(odocstream & os, pit_type par_begin, pit_type par_end,
-		bool full_source);
+		bool full_source) const;
 
 	/// Access to error list.
 	/// This method is used only for GUI visualisation of Buffer related
@@ -603,7 +603,7 @@ public:
 	/// return the default output format of the current backend
 	std::string getDefaultOutputFormat() const;
 	/// return the default output flavor
-	OutputParams::FLAVOR getDefaultOutputFlavor();
+	OutputParams::FLAVOR getDefaultOutputFlavor() const;
 
 	///
 	bool doExport(std::string const & format, bool put_in_tempdir,
@@ -669,7 +669,7 @@ private:
 	/// A cache for the default flavors
 	typedef std::map<std::string, OutputParams::FLAVOR> DefaultFlavorCache;
 	///
-	DefaultFlavorCache default_flavors_;
+	mutable DefaultFlavorCache default_flavors_;
 	///
 	void getLanguages(std::set<Language const *> &) const;
 	/// Checks whether any of the referenced bibfiles have changed since the
diff --git a/src/frontends/qt4/GuiViewSource.cpp b/src/frontends/qt4/GuiViewSource.cpp
index 1bfd7a2919..a5beae5da6 100644
--- a/src/frontends/qt4/GuiViewSource.cpp
+++ b/src/frontends/qt4/GuiViewSource.cpp
@@ -102,8 +102,7 @@ static bool getContent(BufferView const * view, bool fullSource, QString & qstr)
 	if (par_begin > par_end)
 		swap(par_begin, par_end);
 	odocstringstream ostr;
-	const_cast<BufferView *>(view)->buffer().getSourceCode(
-		ostr, par_begin, par_end + 1, fullSource);
+	view->buffer().getSourceCode(ostr, par_begin, par_end + 1, fullSource);
 	docstring s = ostr.str();
 	static size_t crc = 0;
 	size_t newcrc = crcCheck(s);
-- 
2.39.2