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/**
* @file llnotecard.cpp
* @brief LLNotecard class definition
*
* $LicenseInfo:firstyear=2006&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#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())
{
LL_WARNS() << "Invalid Linden text file header" << LL_ENDL;
goto import_file_failed;
}
if( 1 != mEmbeddedVersion )
{
LL_WARNS() << "Invalid LLEmbeddedItems version: " << mEmbeddedVersion << LL_ENDL;
goto import_file_failed;
}
str >> std::ws >> "{\n";
if(str.fail())
{
LL_WARNS() << "Invalid Linden text file format: missing {" << LL_ENDL;
goto import_file_failed;
}
str >> std::ws >> "count " >> count >> "\n";
if(str.fail())
{
LL_WARNS() << "Invalid LLEmbeddedItems count" << LL_ENDL;
goto import_file_failed;
}
if((count < 0))
{
LL_WARNS() << "Invalid LLEmbeddedItems count value: " << count << LL_ENDL;
goto import_file_failed;
}
for(i = 0; i < count; i++)
{
str >> std::ws >> "{\n";
if(str.fail())
{
LL_WARNS() << "Invalid LLEmbeddedItems file format: missing {" << LL_ENDL;
goto import_file_failed;
}
U32 index = 0;
str >> std::ws >> "ext char index " >> index >> "\n";
if(str.fail())
{
LL_WARNS() << "Invalid LLEmbeddedItems file format: missing ext char index" << LL_ENDL;
goto import_file_failed;
}
str >> std::ws >> "inv_item\t0\n";
if(str.fail())
{
LL_WARNS() << "Invalid LLEmbeddedItems file format: missing inv_item" << LL_ENDL;
goto import_file_failed;
}
LLPointer<LLInventoryItem> item = new LLInventoryItem;
if (!item->importLegacyStream(str))
{
LL_INFOS() << "notecard import failed" << LL_ENDL;
goto import_file_failed;
}
mItems.push_back(item);
str >> std::ws >> "}\n";
if(str.fail())
{
LL_WARNS() << "Invalid LLEmbeddedItems file format: missing }" << LL_ENDL;
goto import_file_failed;
}
}
str >> std::ws >> "}\n";
if(str.fail())
{
LL_WARNS() << "Invalid LLEmbeddedItems file format: missing }" << LL_ENDL;
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())
{
LL_WARNS() << "Invalid Linden text file header " << LL_ENDL;
return false;
}
if( 1 != mVersion && 2 != mVersion)
{
LL_WARNS() << "Invalid Linden text file version: " << mVersion << LL_ENDL;
return false;
}
str >> std::ws >> "{\n";
if(str.fail())
{
LL_WARNS() << "Invalid Linden text file format" << LL_ENDL;
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())
{
LL_WARNS() << "Invalid Linden text length field" << LL_ENDL;
return false;
}
line_buf[STD_STRING_STR_LEN] = '\0';
S32 text_len = 0;
if( 1 != sscanf(line_buf, "Text length %d", &text_len) )
{
LL_WARNS() << "Invalid Linden text length field" << LL_ENDL;
return false;
}
if(text_len > mMaxText || text_len < 0)
{
LL_WARNS() << "Invalid Linden text length: " << text_len << LL_ENDL;
return false;
}
bool success = true;
char* text = new char[text_len + 1];
fullread(str, text, text_len);
if(str.fail())
{
LL_WARNS() << "Invalid Linden text: text shorter than text length: " << text_len << LL_ENDL;
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;
}
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