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/******************************************************************************
* Project: PROJ.4
* Purpose: Implementation of the PJ_CONTEXT thread context object.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
******************************************************************************
* Copyright (c) 2010, Frank Warmerdam
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#ifndef FROM_PROJ_CPP
#define FROM_PROJ_CPP
#endif
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <new>
#include "proj_experimental.h"
#include "proj_internal.h"
#include "filemanager.hpp"
#include "proj/internal/io_internal.hpp"
/************************************************************************/
/* pj_get_ctx() */
/************************************************************************/
PJ_CONTEXT* pj_get_ctx( PJ *pj )
{
if (nullptr==pj)
return pj_get_default_ctx ();
if (nullptr==pj->ctx)
return pj_get_default_ctx ();
return pj->ctx;
}
/************************************************************************/
/* proj_assign_context() */
/************************************************************************/
/** \brief Re-assign a context to a PJ* object.
*
* This may be useful if the PJ* has been created with a context that is
* thread-specific, and is later used in another thread. In that case,
* the user may want to assign another thread-specific context to the
* object.
*/
void proj_assign_context( PJ* pj, PJ_CONTEXT *ctx )
{
if (pj==nullptr)
return;
pj->ctx = ctx;
if( pj->reassign_context )
{
pj->reassign_context(pj, ctx);
}
for( const auto &alt: pj->alternativeCoordinateOperations )
{
proj_assign_context(alt.pj, ctx);
}
}
/************************************************************************/
/* createDefault() */
/************************************************************************/
pj_ctx pj_ctx::createDefault()
{
pj_ctx ctx;
ctx.debug_level = PJ_LOG_ERROR;
ctx.logger = pj_stderr_logger;
NS_PROJ::FileManager::fillDefaultNetworkInterface(&ctx);
const char* projDebug = getenv("PROJ_DEBUG");
if( projDebug != nullptr )
{
const int debugLevel = atoi(projDebug);
if( debugLevel >= -PJ_LOG_TRACE )
ctx.debug_level = debugLevel;
else
ctx.debug_level = PJ_LOG_TRACE;
}
return ctx;
}
/**************************************************************************/
/* get_cpp_context() */
/**************************************************************************/
projCppContext* pj_ctx::get_cpp_context()
{
if (cpp_context == nullptr) {
cpp_context = new projCppContext(this);
}
return cpp_context;
}
/************************************************************************/
/* set_search_paths() */
/************************************************************************/
void pj_ctx::set_search_paths(const std::vector<std::string>& search_paths_in )
{
search_paths = search_paths_in;
delete[] c_compat_paths;
c_compat_paths = nullptr;
if( !search_paths.empty() ) {
c_compat_paths = new const char*[search_paths.size()];
for( size_t i = 0; i < search_paths.size(); ++i ) {
c_compat_paths[i] = search_paths[i].c_str();
}
}
}
/**************************************************************************/
/* set_ca_bundle_path() */
/**************************************************************************/
void pj_ctx::set_ca_bundle_path(const std::string& ca_bundle_path_in)
{
ca_bundle_path = ca_bundle_path_in;
}
/************************************************************************/
/* pj_ctx(const pj_ctx& other) */
/************************************************************************/
pj_ctx::pj_ctx(const pj_ctx& other) :
debug_level(other.debug_level),
logger(other.logger),
logger_app_data(other.logger_app_data),
cpp_context(other.cpp_context ? other.cpp_context->clone(this) : nullptr),
use_proj4_init_rules(other.use_proj4_init_rules),
epsg_file_exists(other.epsg_file_exists),
ca_bundle_path(other.ca_bundle_path),
env_var_proj_lib(other.env_var_proj_lib),
file_finder(other.file_finder),
file_finder_user_data(other.file_finder_user_data),
custom_sqlite3_vfs_name(other.custom_sqlite3_vfs_name),
user_writable_directory(other.user_writable_directory),
// BEGIN ini file settings
iniFileLoaded(other.iniFileLoaded),
endpoint(other.endpoint),
networking(other.networking),
gridChunkCache(other.gridChunkCache),
defaultTmercAlgo(other.defaultTmercAlgo)
// END ini file settings
{
set_search_paths(other.search_paths);
}
/************************************************************************/
/* pj_get_default_ctx() */
/************************************************************************/
PJ_CONTEXT* pj_get_default_ctx()
{
// C++11 rules guarantee a thread-safe instantiation.
static pj_ctx default_context(pj_ctx::createDefault());
return &default_context;
}
/************************************************************************/
/* ~pj_ctx() */
/************************************************************************/
pj_ctx::~pj_ctx()
{
delete[] c_compat_paths;
proj_context_delete_cpp_context(cpp_context);
}
/************************************************************************/
/* proj_context_clone() */
/* Create a new context based on a custom context */
/************************************************************************/
PJ_CONTEXT* proj_context_clone (PJ_CONTEXT *ctx)
{
if (nullptr==ctx)
return proj_context_create();
return new (std::nothrow) pj_ctx(*ctx);
}
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