Imported existing code

indra/llinventory/llnotecard.cpp

@@ -0,0 +1,293 @@
+/** 
+ * @file llnotecard.cpp
+ * @brief LLNotecard class definition
+ *
+ * $LicenseInfo:firstyear=2006&license=viewergpl$
+ * 
+ * Copyright (c) 2006-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+#include "llnotecard.h"
+#include "llstreamtools.h"
+
+LLNotecard::LLNotecard(S32 max_text)
+: mMaxText(max_text)
+{
+}
+
+LLNotecard::~LLNotecard()
+{
+}
+
+bool LLNotecard::importEmbeddedItemsStream(std::istream& str)
+{
+	// Version 1 format:
+	//		LLEmbeddedItems version 1
+	//		{
+	//			count <number of entries being used and not deleted>
+	//			{
+	//				ext char index <index>
+	//				<InventoryItem chunk>
+	//			}
+	//		}
+	
+	S32 i;
+	S32 count = 0;
+
+	str >> std::ws >> "LLEmbeddedItems version" >> mEmbeddedVersion >> "\n";
+	if (str.fail())
+	{
+		llwarns << "Invalid Linden text file header" << llendl;
+		goto import_file_failed;
+	}
+
+	if( 1 != mEmbeddedVersion )
+	{
+		llwarns << "Invalid LLEmbeddedItems version: " << mEmbeddedVersion << llendl;
+		goto import_file_failed;
+	}
+
+	str >> std::ws >> "{\n";
+	if(str.fail())
+	{
+		llwarns << "Invalid Linden text file format: missing {" << llendl;
+		goto import_file_failed;
+	}
+
+	str >> std::ws >> "count " >> count >> "\n";
+	if(str.fail())
+	{
+		llwarns << "Invalid LLEmbeddedItems count" << llendl;
+		goto import_file_failed;
+	}
+
+	if((count < 0))
+	{
+		llwarns << "Invalid LLEmbeddedItems count value: " << count << llendl;
+		goto import_file_failed;
+	}
+
+	for(i = 0; i < count; i++)
+	{
+		str >> std::ws >> "{\n";
+		if(str.fail())
+		{
+			llwarns << "Invalid LLEmbeddedItems file format: missing {" << llendl;
+			goto import_file_failed;
+		}
+
+		U32 index = 0;
+		str >> std::ws >> "ext char index " >> index >> "\n";
+		if(str.fail())
+		{
+			llwarns << "Invalid LLEmbeddedItems file format: missing ext char index" << llendl;
+			goto import_file_failed;
+		}
+
+		str >> std::ws >> "inv_item\t0\n";
+		if(str.fail())
+		{
+			llwarns << "Invalid LLEmbeddedItems file format: missing inv_item" << llendl;
+			goto import_file_failed;
+		}
+
+		LLPointer<LLInventoryItem> item = new LLInventoryItem;
+		if (!item->importLegacyStream(str))
+		{
+			llinfos << "notecard import failed" << llendl;
+			goto import_file_failed;
+		}		
+		mItems.push_back(item);
+
+		str >> std::ws >> "}\n";
+		if(str.fail())
+		{
+			llwarns << "Invalid LLEmbeddedItems file format: missing }" << llendl;
+			goto import_file_failed;
+		}
+	}
+
+	str >> std::ws >> "}\n";
+	if(str.fail())
+	{
+		llwarns << "Invalid LLEmbeddedItems file format: missing }" << llendl;
+		goto import_file_failed;
+	}
+
+	return true;
+
+	import_file_failed:
+	return false;
+}
+
+bool LLNotecard::importStream(std::istream& str)
+{
+	// Version 1 format:
+	//		Linden text version 1
+	//		{
+	//			<EmbeddedItemList chunk>
+	//			Text length
+	//			<ASCII text; 0x80 | index = embedded item>
+	//		}
+	
+	// Version 2 format: (NOTE: Imports identically to version 1)
+	//		Linden text version 2
+	//		{
+	//			<EmbeddedItemList chunk>
+	//			Text length
+	//			<UTF8 text; FIRST_EMBEDDED_CHAR + index = embedded item>
+	//		}
+	
+	str >> std::ws >> "Linden text version " >> mVersion >> "\n";
+	if(str.fail())
+	{
+		llwarns << "Invalid Linden text file header " << llendl;
+		return FALSE;
+	}
+
+	if( 1 != mVersion && 2 != mVersion)
+	{
+		llwarns << "Invalid Linden text file version: " << mVersion << llendl;
+		return FALSE;
+	}
+
+	str >> std::ws >> "{\n";
+	if(str.fail())
+	{
+		llwarns << "Invalid Linden text file format" << llendl;
+		return FALSE;
+	}
+
+	if(!importEmbeddedItemsStream(str))
+	{
+		return FALSE;
+	}
+
+	char line_buf[STD_STRING_BUF_SIZE];	/* Flawfinder: ignore */
+	str.getline(line_buf, STD_STRING_BUF_SIZE);
+	if(str.fail())
+	{
+		llwarns << "Invalid Linden text length field" << llendl;
+		return FALSE;
+	}
+	line_buf[STD_STRING_STR_LEN] = '\0';
+	
+	S32 text_len = 0;
+	if( 1 != sscanf(line_buf, "Text length %d", &text_len) )
+	{
+		llwarns << "Invalid Linden text length field" << llendl;
+		return FALSE;
+	}
+
+	if(text_len > mMaxText)
+	{
+		llwarns << "Invalid Linden text length: " << text_len << llendl;
+		return FALSE;
+	}
+
+	BOOL success = TRUE;
+
+	char* text = new char[text_len + 1];
+	fullread(str, text, text_len);
+	if(str.fail())
+	{
+		llwarns << "Invalid Linden text: text shorter than text length: " << text_len << llendl;
+		success = FALSE;
+	}
+	text[text_len] = '\0';
+
+	if(success)
+	{
+		// Actually set the text
+		mText = std::string(text);
+	}
+
+	delete[] text;
+
+	return success;
+}
+
+////////////////////////////////////////////////////////////////////////////
+
+bool LLNotecard::exportEmbeddedItemsStream( std::ostream& out_stream )
+{
+	out_stream << "LLEmbeddedItems version 1\n";
+	out_stream << "{\n";
+
+	out_stream << llformat("count %d\n", mItems.size() );
+
+	S32 idx = 0;
+	for (std::vector<LLPointer<LLInventoryItem> >::iterator iter = mItems.begin();
+		 iter != mItems.end(); ++iter)
+	{
+		LLInventoryItem* item = *iter;
+		if (item)
+		{
+			out_stream << "{\n";
+			out_stream << llformat("ext char index %d\n", idx  );
+			if( !item->exportLegacyStream( out_stream ) )
+			{
+				return FALSE;
+			}
+			out_stream << "}\n";
+		}
+		++idx;
+	}
+
+	out_stream << "}\n";
+	
+	return TRUE;
+}
+
+bool LLNotecard::exportStream( std::ostream& out_stream )
+{
+	out_stream << "Linden text version 2\n";
+	out_stream << "{\n";
+
+	if( !exportEmbeddedItemsStream( out_stream ) )
+	{
+		return FALSE;
+	}
+
+	out_stream << llformat("Text length %d\n", mText.length() );
+	out_stream << mText;
+	out_stream << "}\n";
+
+	return TRUE;
+}
+
+////////////////////////////////////////////////////////////////////////////
+
+void LLNotecard::setItems(const std::vector<LLPointer<LLInventoryItem> >& items)
+{
+	mItems = items;
+}
+
+void LLNotecard::setText(const std::string& text)
+{
+	mText = text;
+}