From 7875d1a9ad33c047acaf1e4e5da7aa4ad3bf3d3d Mon Sep 17 00:00:00 2001
From: Pavel Sanda <sanda@lyx.org>
Date: Fri, 12 Feb 2010 02:31:58 +0000
Subject: [PATCH] Tree revision info into InsetInfo. Muhehe.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33431 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/LyXAction.cpp        |  2 +-
 src/LyXVC.h              |  3 ++-
 src/VCBackend.cpp        | 30 ++++++++++++++++++++++++++++++
 src/VCBackend.h          |  4 ++++
 src/insets/InsetInfo.cpp |  5 ++++-
 5 files changed, 41 insertions(+), 3 deletions(-)

diff --git a/src/LyXAction.cpp b/src/LyXAction.cpp
index 8cdc26803f..54d6fc3a0b 100644
--- a/src/LyXAction.cpp
+++ b/src/LyXAction.cpp
@@ -415,7 +415,7 @@ void LyXAction::init()
 		      textclass: name of textclass (e.g. article) \n
 		      menu: name of lfun used in menu  \n
 		      icon: name of lfun used in toolbar \n
-		      buffer: "name"|"path"|"class"|"vcs-revision"
+		      buffer: "name"|"path"|"class"|"vcs-revision"|"vcs-tree-revision"
  * \li Sample: command-sequence info-insert buffer path; info-insert buffer name
  * \li Origin: bpeng, 7 Oct 2007
  * \endvar
diff --git a/src/LyXVC.h b/src/LyXVC.h
index 6a4b3bd0a6..56f8be94b9 100644
--- a/src/LyXVC.h
+++ b/src/LyXVC.h
@@ -145,7 +145,8 @@ public:
 
 	// type of the revision information
 	enum RevisionInfo {
-		File = 1
+		File = 1,
+		Tree = 2
 	};
 
 	/**
diff --git a/src/VCBackend.cpp b/src/VCBackend.cpp
index 908593b967..f54e54e96e 100644
--- a/src/VCBackend.cpp
+++ b/src/VCBackend.cpp
@@ -869,6 +869,16 @@ string SVN::revisionInfo(LyXVC::RevisionInfo const info)
 				return string();
 
 			return rev_file_cache_;
+
+		case LyXVC::Tree:
+			if (rev_tree_cache_.empty())
+				rev_tree_cache_ = getTreeRevisionInfo();
+			if (rev_tree_cache_.empty())
+				rev_tree_cache_ = "?";
+			if (rev_tree_cache_ == "?")
+				return string();
+
+			return rev_tree_cache_;
 	}
 	return string();
 }
@@ -909,6 +919,26 @@ std::string SVN::getFileRevisionInfo()
 }
 
 
+std::string SVN::getTreeRevisionInfo()
+{
+	FileName tmpf = FileName::tempName("lyxvcout");
+
+	doVCCommand("svnversion -n . > " + quoteName(tmpf.toFilesystemEncoding()),
+		    FileName(owner_->filePath()));
+
+	if (tmpf.empty())
+		return string();
+
+	// only first line in case something bad happens.
+	ifstream ifs(tmpf.toFilesystemEncoding().c_str());
+	string line;
+	getline(ifs, line);
+	ifs.close();
+	tmpf.erase();
+	return line;
+}
+
+
 void SVN::getLog(FileName const & tmpf)
 {
 	doVCCommand("svn log " + quoteName(onlyFilename(owner_->absFileName()))
diff --git a/src/VCBackend.h b/src/VCBackend.h
index 43b2e1d2ea..864dc199c8 100644
--- a/src/VCBackend.h
+++ b/src/VCBackend.h
@@ -283,6 +283,10 @@ private:
 	std::string getFileRevisionInfo();
 	/// cache for file revision number, "?" if already unsuccessful
 	std::string rev_file_cache_;
+	/// real code for obtaining file revision info
+	std::string getTreeRevisionInfo();
+	/// cache for tree revision number, "?" if already unsuccessful
+	std::string rev_tree_cache_;
 };
 
 } // namespace lyx
diff --git a/src/insets/InsetInfo.cpp b/src/insets/InsetInfo.cpp
index 871a361d49..4685a9f5ec 100644
--- a/src/insets/InsetInfo.cpp
+++ b/src/insets/InsetInfo.cpp
@@ -175,7 +175,7 @@ bool InsetInfo::validateModifyArgument(docstring const & arg) const
 		return true;
 	case BUFFER_INFO:
 		return name == "name" || name == "path" || name == "class" ||
-		       name == "vcs-revision";
+		       name == "vcs-revision" || name == "vcs-tree-revision";
 	}
 	return false;
 }
@@ -376,6 +376,9 @@ void InsetInfo::updateInfo()
 		else if (name_ == "vcs-revision" && buffer().lyxvc().inUse() &&
 			 !buffer().lyxvc().revisionInfo(LyXVC::File).empty())
 			setText(from_utf8(buffer().lyxvc().revisionInfo(LyXVC::File)));
+		else if (name_ == "vcs-tree-revision" && buffer().lyxvc().inUse() &&
+			 !buffer().lyxvc().revisionInfo(LyXVC::Tree).empty())
+			setText(from_utf8(buffer().lyxvc().revisionInfo(LyXVC::Tree)));
 		else
 			setText(_("Unknown buffer info"));
 		break;
-- 
2.39.2