/
pj_ctx.cs
executable file
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/
pj_ctx.cs
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//******************************************************************************
//
// Project: PROJ.4
// Purpose: Implementation of the projCtx thread context object.
// Author: Frank Warmerdam, warmerdam@pobox.com
//
//*****************************************************************************
// Copyright (c) 2010, Frank Warmerdam
// Copyright (c) 2008-2015 by the Authors
//
// 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.
//****************************************************************************
namespace Free.Ports.Proj4
{
public static partial class Proj
{
static projCtx default_context=new projCtx();
static volatile bool default_context_initialized=false;
//***********************************************************************
//* pj_get_ctx() *
//***********************************************************************
public static projCtx pj_get_ctx(PJ pj)
{
return pj.ctx;
}
//***********************************************************************
//* pj_set_ctx() *
//* *
//* Note we do not deallocate the old context! *
//***********************************************************************
public static void pj_set_ctx(PJ pj, projCtx ctx)
{
pj.ctx=ctx;
}
//***********************************************************************
//* pj_get_default_ctx() *
//***********************************************************************
public static projCtx pj_get_default_ctx()
{
lock(default_context)
{
if(!default_context_initialized)
{
default_context.last_errno=0;
default_context.debug_level=PJ_LOG.NONE;
default_context.logger=pj_stderr_logger;
default_context.app_data=null;
#if DEBUG
#if PROJ_DEBUG==ERROR
default_context.debug_level=PJ_LOG.ERROR;
#elif PROJ_DEBUG==DEBUG_MAJOR
default_context.debug_level=PJ_LOG.DEBUG_MAJOR;
#elif PROJ_DEBUG==DEBUG_MINOR
default_context.debug_level=PJ_LOG.DEBUG_MINOR;
#else
default_context.debug_level=PJ_LOG.NONE;
#endif
#endif
default_context_initialized=true;
}
}
return default_context;
}
//***********************************************************************
//* pj_ctx_alloc() *
//***********************************************************************
public static projCtx pj_ctx_alloc()
{
projCtx ret=new projCtx();
projCtx ctx=pj_get_default_ctx();
ret.app_data=ctx.app_data;
ret.debug_level=ctx.debug_level;
ret.logger=ctx.logger;
return ret;
}
//***********************************************************************
//* pj_ctx_free() *
//***********************************************************************
public static void pj_ctx_free(projCtx ctx)
{
}
//***********************************************************************
//* pj_ctx_get_errno() *
//***********************************************************************
public static int pj_ctx_get_errno(projCtx ctx)
{
return ctx.last_errno;
}
//***********************************************************************
//* pj_ctx_set_errno() *
//* *
//* Also sets the global errno. *
//***********************************************************************
public static void pj_ctx_set_errno(projCtx ctx, int errno)
{
ctx.last_errno=errno;
if(errno!=0) pj_errno=errno;
}
//***********************************************************************
//* pj_ctx_set_debug() *
//***********************************************************************
public static void pj_ctx_set_debug(projCtx ctx, PJ_LOG debug)
{
ctx.debug_level=debug;
}
//***********************************************************************
//* pj_ctx_set_logger() *
//***********************************************************************
public static void pj_ctx_set_logger(projCtx ctx, projCtx.Logger logger)
{
ctx.logger=logger;
}
//***********************************************************************
//* pj_ctx_set_app_data() *
//***********************************************************************
public static void pj_ctx_set_app_data(projCtx ctx, object app_data)
{
ctx.app_data=app_data;
}
//***********************************************************************
//* pj_ctx_get_app_data() *
//***********************************************************************
public static object pj_ctx_get_app_data(projCtx ctx)
{
return ctx.app_data;
}
}
}