From 45ad0487564591a88299a829940719bd65308be4 Mon Sep 17 00:00:00 2001
From: Misa <infoteddyatgitgud@cock.li>
Date: Wed, 3 Jun 2020 09:54:05 -0700
Subject: [PATCH] Add FILESYSTEM_saveTiXml2Document()

This will eventually replace FILESYSTEM_saveTiXmlDocument(). Read it as
"save TinyXML2 Document", not "save TinyXML to Document".
---
 desktop_version/src/FileSystemUtils.cpp | 15 +++++++++++++++
 desktop_version/src/FileSystemUtils.h   |  2 ++
 2 files changed, 17 insertions(+)

diff --git a/desktop_version/src/FileSystemUtils.cpp b/desktop_version/src/FileSystemUtils.cpp
index 8ee23505..4e6d59b0 100644
--- a/desktop_version/src/FileSystemUtils.cpp
+++ b/desktop_version/src/FileSystemUtils.cpp
@@ -282,6 +282,21 @@ bool FILESYSTEM_loadTiXmlDocument(const char *name, TiXmlDocument *doc)
 	return true;
 }
 
+bool FILESYSTEM_saveTiXml2Document(const char *name, tinyxml2::XMLDocument& doc)
+{
+	/* XMLDocument.SaveFile doesn't account for Unicode paths, PHYSFS does */
+	tinyxml2::XMLPrinter printer;
+	doc.Print(&printer);
+	PHYSFS_File* handle = PHYSFS_openWrite(name);
+	if (handle == NULL)
+	{
+		return false;
+	}
+	PHYSFS_writeBytes(handle, printer.CStr(), printer.CStrSize() - 1); // subtract one because CStrSize includes terminating null
+	PHYSFS_close(handle);
+	return true;
+}
+
 std::vector<std::string> FILESYSTEM_getLevelDirFileNames()
 {
 	std::vector<std::string> list;
diff --git a/desktop_version/src/FileSystemUtils.h b/desktop_version/src/FileSystemUtils.h
index eefab861..72d1497f 100644
--- a/desktop_version/src/FileSystemUtils.h
+++ b/desktop_version/src/FileSystemUtils.h
@@ -5,6 +5,7 @@
 #include <vector>
 
 #include "tinyxml.h"
+#include "tinyxml2.h"
 
 int FILESYSTEM_init(char *argvZero, char* baseDir, char* assetsPath);
 void FILESYSTEM_deinit();
@@ -21,6 +22,7 @@ void FILESYSTEM_loadFileToMemory(const char *name, unsigned char **mem,
 void FILESYSTEM_freeMemory(unsigned char **mem);
 bool FILESYSTEM_saveTiXmlDocument(const char *name, TiXmlDocument *doc);
 bool FILESYSTEM_loadTiXmlDocument(const char *name, TiXmlDocument *doc);
+bool FILESYSTEM_saveTiXml2Document(const char *name, tinyxml2::XMLDocument& doc);
 
 std::vector<std::string> FILESYSTEM_getLevelDirFileNames();