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/**
* @file llurlsimstring.cpp (was llsimurlstring.cpp)
* @brief Handles "SLURL fragments" like Ahern/123/45 for
* startup processing, login screen, prefs, etc.
*
* $LicenseInfo:firstyear=2006&license=viewergpl$
*
* 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 "llviewerprecompiledheaders.h"
#include "llurlsimstring.h"
#include "llpanellogin.h"
#include "llviewercontrol.h"
#include "curl/curl.h"
//static
LLURLSimString LLURLSimString::sInstance;
std::string LLURLSimString::sLocationStringHome("My Home");
std::string LLURLSimString::sLocationStringLast("My Last Location");
// "secondlife://simname/x/y/z" -> "simname/x/y/z"
// (actually .*//foo -> foo)
// static
void LLURLSimString::setString(const std::string& sim_string)
{
sInstance.mSimString.clear();
sInstance.mSimName.clear();
sInstance.mParseState = NOT_PARSED;
if (sim_string == sLocationStringHome)
{
gSavedSettings.setBOOL("LoginLastLocation", FALSE);
}
else if (sim_string == sLocationStringLast)
{
gSavedSettings.setBOOL("LoginLastLocation", TRUE);
}
else
{
char* curlstr = curl_unescape(sim_string.c_str(), sim_string.size());
std::string tstring = std::string(curlstr);
curl_free(curlstr);
std::string::size_type idx = tstring.find("//");
idx = (idx == std::string::npos) ? 0 : idx+2;
sInstance.mSimString = tstring.substr(idx);
}
}
// "/100" -> 100
// static
std::string::size_type LLURLSimString::parseGridIdx(const std::string& in_string,
std::string::size_type idx0,
std::string::size_type* res)
{
if (idx0 == std::string::npos || in_string[idx0] != '/')
{
return std::string::npos; // parse error
}
idx0++;
std::string::size_type idx1 = in_string.find_first_of('/', idx0);
std::string::size_type len = (idx1 == std::string::npos) ? std::string::npos : idx1-idx0;
std::string tstring = in_string.substr(idx0,len);
if (!tstring.empty())
{
std::string::size_type val = atoi(tstring.c_str());
*res = val;
}
return idx1;
}
// "simname/x/y/z" -> mSimName = simname, mX = x, mY = y, mZ = z
// static
bool LLURLSimString::parse()
{
if (sInstance.mParseState == NOT_SET)
{
return false;
}
if (sInstance.mParseState == NOT_PARSED)
{
if (parse(sInstance.mSimString,
&sInstance.mSimName,
&sInstance.mX,
&sInstance.mY,
&sInstance.mZ))
{
sInstance.mParseState = PARSE_OK;
}
else
{
sInstance.mParseState = PARSE_FAIL;
}
}
return (sInstance.mParseState == PARSE_OK);
}
// static
bool LLURLSimString::parse(const std::string& sim_string,
std::string *region_name,
S32 *x, S32 *y, S32 *z)
{
// strip any bogus initial '/'
std::string::size_type idx0 = sim_string.find_first_not_of('/');
if (idx0 == std::string::npos) idx0 = 0;
std::string::size_type idx1 = sim_string.find_first_of('/', idx0);
std::string::size_type len = (idx1 == std::string::npos) ? std::string::npos : idx1-idx0;
std::string tstring = sim_string.substr(idx0,len);
*region_name = unescapeRegionName(tstring);
if (!region_name->empty())
{
// return position data if found. otherwise leave passed-in values alone. (DEV-18380) -MG
if (idx1 != std::string::npos)
{
std::string::size_type xs = *x, ys = *y, zs = *z;
idx1 = parseGridIdx(sim_string, idx1, &xs);
idx1 = parseGridIdx(sim_string, idx1, &ys);
idx1 = parseGridIdx(sim_string, idx1, &zs);
*x = xs;
*y = ys;
*z = zs;
}
return true;
}
else
{
return false;
}
}
// static
std::string LLURLSimString::getURL()
{
std::string url;
if (sInstance.mParseState == PARSE_OK)
{
url = llformat("secondlife://%s/%d/%d/%d/",
sInstance.mSimName.c_str(),
sInstance.mX,
sInstance.mY,
sInstance.mZ);
}
return url;
}
// static
std::string LLURLSimString::unescapeRegionName(std::string region_name)
{
std::string result;
char* curlstr = curl_unescape(region_name.c_str(), region_name.size());
result = std::string(curlstr);
curl_free(curlstr);
return result;
}
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