llnotecard.cpp
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- /**
- * @file llnotecard.cpp
- * @brief LLNotecard class definition
- *
- * $LicenseInfo:firstyear=2006&license=viewergpl$
- *
- * Copyright (c) 2006-2010, 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),
- mVersion(0),
- mEmbeddedVersion(0)
- {
- }
- 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_itemt0n";
- 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] = ' ';
-
- 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] = ' ';
- 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 1n";
- out_stream << "{n";
- out_stream << llformat("count %dn", 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 %dn", 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 2n";
- out_stream << "{n";
- if( !exportEmbeddedItemsStream( out_stream ) )
- {
- return FALSE;
- }
- out_stream << llformat("Text length %dn", 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;
- }