From d3c609820797d0767a6108ad22d646a80b688cca Mon Sep 17 00:00:00 2001
From: Nimetu <nimetu@gmail.com>
Date: Thu, 12 Sep 2019 18:15:09 +0300
Subject: [PATCH] Fixed: Browser css file could not be loaded from bnp

--HG--
branch : html-improvements
---
 code/nel/include/nel/misc/file.h |  5 +++++
 code/nel/src/gui/group_html.cpp  | 18 +++++++++++++++---
 code/nel/src/misc/file.cpp       | 31 +++++++++++++++++++++++++++++++
 3 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/code/nel/include/nel/misc/file.h b/code/nel/include/nel/misc/file.h
index 78dba95c6..3e40d122a 100644
--- a/code/nel/include/nel/misc/file.h
+++ b/code/nel/include/nel/misc/file.h
@@ -119,6 +119,11 @@ public:		// Advanced Usage.
 	// return a string separated by \n or eof, used to parsing text file
 	void getline (char *buffer, uint32 bufferSize);
 
+	// read whole file into a string. resulting buffer may contain NULL chars.
+	// internal read position is modified.
+	// return true on success, false on failure.
+	bool readAll(std::string &buffer);
+
 	// return the size of the file
 	uint32 getFileSize () const { return _FileSize; }
 
diff --git a/code/nel/src/gui/group_html.cpp b/code/nel/src/gui/group_html.cpp
index 2e34ad8fa..b6b83fa3c 100644
--- a/code/nel/src/gui/group_html.cpp
+++ b/code/nel/src/gui/group_html.cpp
@@ -2175,12 +2175,24 @@ namespace NLGUI
 				std::string filename = CPath::lookup(_BrowserCssFile, false, true, true);
 				if (!filename.empty())
 				{
-					NLMISC::CSString css;
-					if (css.readFromFile(filename))
+					CIFile in;
+					if (in.open(filename))
 					{
-						_BrowserStyle.parseStylesheet(css);
+						std::string css;
+						if (in.readAll(css))
+							_BrowserStyle.parseStylesheet(css);
+						else
+							nlwarning("Failed to read browser css from '%s'", filename.c_str());
+					}
+					else
+					{
+						nlwarning("Failed to open browser css file '%s'", filename.c_str());
 					}
 				}
+				else
+				{
+					nlwarning("Browser css file '%s' not found", _BrowserCssFile.c_str());
+				}
 			}
 		}
 		else
diff --git a/code/nel/src/misc/file.cpp b/code/nel/src/misc/file.cpp
index 63b27e768..834b11a8d 100644
--- a/code/nel/src/misc/file.cpp
+++ b/code/nel/src/misc/file.cpp
@@ -361,6 +361,37 @@ void		CIFile::flush()
 	}
 }
 
+// ======================================================================================================
+bool	CIFile::readAll(std::string &buffer)
+{
+	try
+	{
+		uint32 remaining = _FileSize;
+
+		buffer.clear();
+		buffer.reserve(_FileSize);
+		while(!eof() && remaining > 0)
+		{
+			const static uint bufsize = 1024;
+			char buf[bufsize];
+			uint32 readnow = bufsize;
+			if (readnow > remaining)
+				readnow = remaining;
+
+			serialBuffer((uint8 *)&buf[0], readnow);
+			buffer.append(buf, readnow);
+			remaining -= readnow;
+		}
+	}
+	catch (const EFile &)
+	{
+		// buffer state is unknown
+		return false;
+	}
+
+	return true;
+}
+
 // ======================================================================================================
 void		CIFile::getline (char *buffer, uint32 bufferSize)
 {