262 lines
7.0 KiB
C++
262 lines
7.0 KiB
C++
/**
|
|
* @file llservicebuilder.cpp
|
|
* @brief Implementation of the LLServiceBuilder class.
|
|
*
|
|
* $LicenseInfo:firstyear=2007&license=viewergpl$
|
|
*
|
|
* Copyright (c) 2007, 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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 "llapp.h"
|
|
#include "llfile.h"
|
|
#include "llservicebuilder.h"
|
|
#include "llsd.h"
|
|
#include "llsdserialize.h"
|
|
|
|
void LLServiceBuilder::loadServiceDefinitionsFromFile(
|
|
const std::string& service_filename)
|
|
{
|
|
llifstream service_file(service_filename.c_str(), std::ios::binary);
|
|
if(service_file.is_open())
|
|
{
|
|
LLSD service_data;
|
|
LLSDSerialize::fromXML(service_data, service_file);
|
|
service_file.close();
|
|
// Load service
|
|
LLSD service_map = service_data["services"];
|
|
for(LLSD::array_iterator array_itr = service_map.beginArray();
|
|
array_itr != service_map.endArray();
|
|
++array_itr)
|
|
{
|
|
LLSD service_llsd = (*array_itr)["service-builder"];
|
|
std::string service_name = (*array_itr)["name"].asString();
|
|
createServiceDefinition(service_name, service_llsd);
|
|
}
|
|
llinfos << "loaded config file: " << service_filename << llendl;
|
|
}
|
|
else
|
|
{
|
|
llwarns << "unable to find config file: " << service_filename << llendl;
|
|
}
|
|
}
|
|
|
|
void LLServiceBuilder::createServiceDefinition(
|
|
const std::string& service_name,
|
|
LLSD& service_llsd)
|
|
{
|
|
if(service_llsd.isString())
|
|
{
|
|
mServiceMap[ service_name ] = service_llsd.asString();
|
|
}
|
|
else if(service_llsd.isMap())
|
|
{
|
|
for(LLSD::map_iterator map_itr = service_llsd.beginMap();
|
|
map_itr != service_llsd.endMap();
|
|
++map_itr)
|
|
{
|
|
std::string compound_builder_name = service_name;
|
|
compound_builder_name.append("-");
|
|
compound_builder_name.append((*map_itr).first);
|
|
mServiceMap[ compound_builder_name ] = (*map_itr).second.asString();
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string LLServiceBuilder::buildServiceURI(const std::string& service_name)
|
|
{
|
|
std::ostringstream service_url;
|
|
// Find the service builder
|
|
if(mServiceMap.find(service_name) != mServiceMap.end())
|
|
{
|
|
// construct the service builder url
|
|
LLApp* app = LLApp::instance();
|
|
if(app)
|
|
{
|
|
LLSD base_url = app->getOption("services-base-url");
|
|
service_url << base_url.asString();
|
|
}
|
|
service_url << mServiceMap[service_name];
|
|
}
|
|
else
|
|
{
|
|
llwarns << "Cannot find service " << service_name << llendl;
|
|
}
|
|
return service_url.str();
|
|
}
|
|
|
|
std::string LLServiceBuilder::buildServiceURI(
|
|
const std::string& service_name,
|
|
const LLSD& option_map)
|
|
{
|
|
std::string service_url = buildServiceURI(service_name);
|
|
|
|
// Find the Service Name
|
|
if(!service_url.empty() && option_map.isMap())
|
|
{
|
|
// throw in a ridiculously large limiter to make sure we don't
|
|
// loop forever with bad input.
|
|
int iterations = 100;
|
|
bool keep_looping = true;
|
|
while(keep_looping)
|
|
{
|
|
if(0 == --iterations)
|
|
{
|
|
keep_looping = false;
|
|
}
|
|
|
|
int depth = 0;
|
|
int deepest = 0;
|
|
bool find_match = false;
|
|
std::string::iterator iter(service_url.begin());
|
|
std::string::iterator end(service_url.end());
|
|
std::string::iterator deepest_node(service_url.end());
|
|
std::string::iterator deepest_node_end(service_url.end());
|
|
//parse out the variables to replace by going through {}s one at a time,
|
|
// starting with the "deepest" in series {{}},
|
|
// and otherwise replacing right-to-left
|
|
for(; iter != end; ++iter)
|
|
{
|
|
switch(*iter)
|
|
{
|
|
case '{':
|
|
++depth;
|
|
if(depth > deepest)
|
|
{
|
|
deepest = depth;
|
|
deepest_node = iter;
|
|
find_match = true;
|
|
}
|
|
break;
|
|
case '}':
|
|
--depth;
|
|
if(find_match)
|
|
{
|
|
deepest_node_end = iter;
|
|
find_match = false;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if((deepest_node == end) || (deepest_node_end == end))
|
|
{
|
|
break;
|
|
}
|
|
//replace the variable we found in the {} above.
|
|
// *NOTE: since the c++ implementation only understands
|
|
// params and straight string substitution, so it's a
|
|
// known distance of 2 to skip the directive.
|
|
std::string key(deepest_node + 2, deepest_node_end);
|
|
LLSD value = option_map[key];
|
|
switch(*(deepest_node + 1))
|
|
{
|
|
case '$':
|
|
if(value.isDefined())
|
|
{
|
|
service_url.replace(
|
|
deepest_node,
|
|
deepest_node_end + 1,
|
|
value.asString());
|
|
}
|
|
else
|
|
{
|
|
llwarns << "Unknown key: " << key << " in option map: " << LLSDOStreamer<LLSDNotationFormatter>(option_map) << llendl;
|
|
keep_looping = false;
|
|
}
|
|
break;
|
|
case '%':
|
|
{
|
|
std::string query_str = LLURI::mapToQueryString(value);
|
|
service_url.replace(
|
|
deepest_node,
|
|
deepest_node_end + 1,
|
|
query_str);
|
|
}
|
|
break;
|
|
default:
|
|
llinfos << "Unknown directive: " << *(deepest_node + 1)
|
|
<< llendl;
|
|
keep_looping = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (service_url.find('{') != std::string::npos)
|
|
{
|
|
llwarns << "Constructed a likely bogus service URL: " << service_url
|
|
<< llendl;
|
|
}
|
|
return service_url;
|
|
}
|
|
|
|
|
|
|
|
// Old, not as good implementation. Phoenix 2007-10-15
|
|
#if 0
|
|
// Do brace replacements - NOT CURRENTLY RECURSIVE
|
|
for(LLSD::map_const_iterator option_itr = option_map.beginMap();
|
|
option_itr != option_map.endMap();
|
|
++option_itr)
|
|
{
|
|
std::string variable_name = "{$";
|
|
variable_name.append((*option_itr).first);
|
|
variable_name.append("}");
|
|
std::string::size_type find_pos = service_url.find(variable_name);
|
|
if(find_pos != std::string::npos)
|
|
{
|
|
service_url.replace(
|
|
find_pos,
|
|
variable_name.length(),
|
|
(*option_itr).second.asString());
|
|
continue;
|
|
}
|
|
variable_name.assign("{%");
|
|
variable_name.append((*option_itr).first);
|
|
variable_name.append("}");
|
|
find_pos = service_url.find(variable_name);
|
|
if(find_pos != std::string::npos)
|
|
{
|
|
std::string query_str = LLURI::mapToQueryString(
|
|
(*option_itr).second);
|
|
service_url.replace(
|
|
find_pos,
|
|
variable_name.length(),
|
|
query_str);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (service_url.find('{') != std::string::npos)
|
|
{
|
|
llwarns << "Constructed a likely bogus service URL: " << service_url
|
|
<< llendl;
|
|
}
|
|
|
|
return service_url;
|
|
}
|
|
#endif
|