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Diffstat (limited to 'indra/newview/llsyntaxid.cpp')
| -rw-r--r-- | indra/newview/llsyntaxid.cpp | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/indra/newview/llsyntaxid.cpp b/indra/newview/llsyntaxid.cpp new file mode 100644 index 0000000000..9ecbe8698d --- /dev/null +++ b/indra/newview/llsyntaxid.cpp @@ -0,0 +1,226 @@ +/** + * @file LLSyntaxId + * @author Ima Mechanique + * @brief Handles downloading, saving, and checking of LSL keyword/syntax files + * for each region. + * + * $LicenseInfo:firstyear=2013&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2013, 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 "llviewerprecompiledheaders.h" + +#include "llhttpclient.h" +#include "llagent.h" +#include "llappviewer.h" +#include "llcurl.h" +#include "llenvmanager.h" +#include "llsdserialize.h" +#include "llsyntaxid.h" + +//----------------------------------------------------------------------------- +// fetchKeywordsFileResponder +//----------------------------------------------------------------------------- +class fetchKeywordsFileResponder : public LLCurl::Responder +{ + std::string mFileSpec; +public: + fetchKeywordsFileResponder(std::string filespec) + { + mFileSpec = filespec; + } + + void errorWithContent(U32 status, const std::string& reason, const LLSD& content) + { + LL_WARNS("") + << "fetchKeywordsFileResponder error [status:" + << status + << "]: " + << content + << LL_ENDL; + } + + void result(LLSD& content_ref) + { + LLSyntaxIdLSL::setKeywordsXml(content_ref); + + std::stringstream str; + LLSDSerialize::toPrettyXML(content_ref, str); + LL_WARNS("") + << "fetchKeywordsFileResponder result:" + << str.str() + << "filename: '" << mFileSpec << "'" + << LL_ENDL; + + // TODO save the damn str to disc + //llofstream file(mFileSpec, std::ios_base::out); + //file.write(str.str(), str.str().size()); + //file.close(); + } +}; + +//----------------------------------------------------------------------------- +// LLSyntaxIdLSL +//----------------------------------------------------------------------------- +LLSyntaxIdLSL::LLSyntaxIdLSL() : + // Move these to signature? + mFilenameDefault("keywords_lsl_default.xml"), + mSimulatorFeature("LSLSyntaxId"), + mCapabilityName("LSLSyntax") +{ + mCurrentSyntaxId = LLUUID(); + mFilenameCurrent = mFilenameDefault; + mFilenameLocation = LL_PATH_APP_SETTINGS; + checkSyntaxIdChange(); + //LLEnvManagerNew::instance().setRegionChangeCallback(boost::bind(&LLSyntaxIdLSL::checkSyntaxIdChange(), this)); +} + +std::string LLSyntaxIdLSL::buildFilename(LLUUID& SyntaxId) +{ + std::string filename = "keywords_lsl_" + SyntaxId.asString() + "_" + gLastVersionChannel + ".llsd.xml"; + return filename; +} + +//----------------------------------------------------------------------------- +// checkSyntaxIdChange() +//----------------------------------------------------------------------------- +bool LLSyntaxIdLSL::checkSyntaxIdChange() +{ + bool changed = false; + if (mRegion) + { + LL_WARNS("LSLSyntax") + << "REGION is '" + << mRegion->getName() + << "'" + << LL_ENDL; + + if (!mRegion->capabilitiesReceived()) + { // Shouldn't be possible, but experience shows that it's needed +// mRegion->setCapabilitiesReceivedCallback(boost::bind(&LLSyntaxIdLSL::checkSyntaxIdChange, this)); + LL_WARNS("LSLSyntax") + << "mRegion '" + << mRegion->getName() + << "' has not received capabilities yet! Setting a callback for when they arrive." + << LL_ENDL; + } else { + // get and check the hash + LLSD simFeatures; + mRegion->getSimulatorFeatures(simFeatures); + if (simFeatures.has("LSLSyntaxId")) + { + LLUUID SyntaxId = simFeatures["LSLSyntaxId"].asUUID(); + if (mCurrentSyntaxId != SyntaxId) + { + // set the properties for the fetcher to use + mFilenameCurrent = buildFilename(SyntaxId); + mFilenameLocation = LL_PATH_CACHE; + mCurrentSyntaxId = SyntaxId; + + LL_WARNS("LSLSyntax") + << "Region changed to '" + << mRegion->getName() + << "' it has LSLSyntaxId capability, and the new hash is '" + << SyntaxId + << "'" + << LL_ENDL; + + changed = true; + } else { + LL_WARNS("LSLSyntax") + << "Region changed to '" + << mRegion->getName() + << "' it has the same LSLSyntaxId! Leaving hash as '" + << mCurrentSyntaxId + << "'" + << LL_ENDL; + } + } else { + // Set the hash to NULL_KEY to indicate use of default keywords file + if ( mCurrentSyntaxId.isNull() ) + { + LL_WARNS("LSLSyntax") + << "Region does not have LSLSyntaxId capability, remaining with default keywords file!" + << LL_ENDL; + } else { + mCurrentSyntaxId = LLUUID(); + mFilenameCurrent = mFilenameDefault; + mFilenameLocation = LL_PATH_APP_SETTINGS; + + LL_WARNS("LSLSyntax") + << "Region does not have LSLSyntaxId capability, using default keywords file!" + << LL_ENDL; + + changed = true; + } + } + } + } + return changed; +} + +//----------------------------------------------------------------------------- +// fetchKeywordsFile +//----------------------------------------------------------------------------- +bool LLSyntaxIdLSL::fetchKeywordsFile() +{ + bool fetched = false; + std::string cap_url = mRegion->getCapability(mCapabilityName); +// mResponder->setFileSpec(mFilenameSpec); + if ( !cap_url.empty() ) + { + LLHTTPClient::get(cap_url, mResponder); + } + + return fetched; +} + +void LLSyntaxIdLSL::initialise() +{ + mRegion = gAgent.getRegion(); + if (checkSyntaxIdChange()) + { + mFilenameFull = gDirUtilp->getExpandedFilename( + mFilenameLocation, + mFilenameCurrent + ); + if ( !mCurrentSyntaxId.isNull() ) + { + bool success = true; + if (!gDirUtilp->fileExists(mFilenameSpec)) + { + mResponder = new fetchKeywordsFileResponder(mFilenameSpec); + success = fetchKeywordsFile(); + } + } + // TODO add a signal here to tell the editor the hash has changed? + } + + mRegion = NULL; +} + +//----------------------------------------------------------------------------- +// openKeywordsFile +//----------------------------------------------------------------------------- +void openKeywordsFile() +{ + ; +} |