From: Robin Gareus <robin@gareus.org>
Date: Tue, 20 Nov 2018 22:56:12 +0000 (+0100)
Subject: Prepare session-metadata export to external command
X-Git-Url: https://main.carlh.net/gitweb/?a=commitdiff_plain;h=d169864b5bd08c9dbd064e8543ebd074e5695216;hp=0268489c7853780a91f289a409ec00c6e561526c;p=ardour.git

Prepare session-metadata export to external command
---

diff --git a/libs/ardour/ardour/session_metadata.h b/libs/ardour/ardour/session_metadata.h
index c0bfdb4003..7232d9ec5d 100644
--- a/libs/ardour/ardour/session_metadata.h
+++ b/libs/ardour/ardour/session_metadata.h
@@ -132,6 +132,10 @@ class LIBARDOUR_API SessionMetadata : public PBD::StatefulDestructible
 	void set_organization (const std::string &);
 	void set_country (const std::string &);
 
+	/*** Export ***/
+	typedef std::map<std::string,std::string> MetaDataMap;
+	void av_export_tag (MetaDataMap&) const;
+
 	/*** Serialization ***/
 	XMLNode & get_state ();  //serializes stuff in the map, to be stored in session file
 	XMLNode & get_user_state ();  //serializes stuff in the user_map, to be stored in user's config file
diff --git a/libs/ardour/session_metadata.cc b/libs/ardour/session_metadata.cc
index 61818422cf..fbe5222552 100644
--- a/libs/ardour/session_metadata.cc
+++ b/libs/ardour/session_metadata.cc
@@ -647,3 +647,29 @@ SessionMetadata::set_country (const string & v)
 {
 	set_value ("user_country", v);
 }
+
+void
+SessionMetadata::av_export_tag (MetaDataMap& meta) const
+{
+	if (year() > 0) {
+		std::ostringstream osstream; osstream << year();
+		meta["year"] = osstream.str();
+	}
+	if (track_number() > 0) {
+		std::ostringstream osstream; osstream << track_number();
+		meta["track"] = osstream.str();
+	}
+	if (disc_number() > 0) {
+		std::ostringstream osstream; osstream << disc_number();
+		meta["disc"] = osstream.str();
+	}
+	if (!title().empty())        { meta["title"] = title(); }
+	if (!artist().empty())       { meta["author"] = artist(); }
+	if (!album_artist().empty()) { meta["album_artist"] = album_artist(); }
+	if (!album().empty())        { meta["album"] = album(); }
+	if (!genre().empty())        { meta["genre"] = genre(); }
+	if (!composer().empty())     { meta["composer"] = composer(); }
+	if (!comment().empty())      { meta["comment"] = comment(); }
+	if (!copyright().empty())    { meta["copyright"] = copyright(); }
+	if (!subtitle().empty())     { meta["description"] = subtitle(); }
+}
diff --git a/libs/pbd/pbd/system_exec.h b/libs/pbd/pbd/system_exec.h
index c5fb583152..5e543e76ae 100644
--- a/libs/pbd/pbd/system_exec.h
+++ b/libs/pbd/pbd/system_exec.h
@@ -118,6 +118,8 @@ class LIBPBD_API SystemExec
 
 		virtual ~SystemExec ();
 
+		static char* format_key_value_parameter (std::string, std::string);
+
 		std::string to_s() const;
 
 		/** fork and execute the given program
diff --git a/libs/pbd/system_exec.cc b/libs/pbd/system_exec.cc
index cc5d8d99fe..26f50146c8 100644
--- a/libs/pbd/system_exec.cc
+++ b/libs/pbd/system_exec.cc
@@ -236,6 +236,39 @@ SystemExec::SystemExec (std::string command, const std::map<char, std::string> s
 	make_envp();
 }
 
+char*
+SystemExec::format_key_value_parameter (std::string key, std::string value)
+{
+	size_t start_pos = 0;
+	std::string v1 = value;
+	while((start_pos = v1.find_first_not_of(
+			"abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789(),.\"'",
+			start_pos)) != std::string::npos)
+	{
+		v1.replace(start_pos, 1, "_");
+		start_pos += 1;
+	}
+
+	start_pos = 0;
+	while((start_pos = v1.find("\"", start_pos)) != std::string::npos) {
+		v1.replace(start_pos, 1, "\\\"");
+		start_pos += 2;
+	}
+
+	size_t len = key.length() + v1.length() + 4;
+	char *mds = (char*) calloc(len, sizeof(char));
+#ifdef PLATFORM_WINDOWS
+	/* SystemExec::make_wargs() adds quotes around the complete argument
+	 * windows uses CreateProcess() with a parameter string
+	 * (and not an array list of separate arguments)
+	 */
+	snprintf(mds, len, "%s=%s", key.c_str(), v1.c_str());
+#else
+	snprintf(mds, len, "%s=\"%s\"", key.c_str(), v1.c_str());
+#endif
+	return mds;
+}
+
 void
 SystemExec::make_argp_escaped(std::string command, const std::map<char, std::string> subs)
 {