diff options
Diffstat (limited to 'src/proj_internal.h')
| -rw-r--r-- | src/proj_internal.h | 195 |
1 files changed, 66 insertions, 129 deletions
diff --git a/src/proj_internal.h b/src/proj_internal.h index 3e219682..a587c037 100644 --- a/src/proj_internal.h +++ b/src/proj_internal.h @@ -195,14 +195,6 @@ PJ_COORD pj_inv4d (PJ_COORD coo, PJ *P); PJ_COORD PROJ_DLL pj_approx_2D_trans (PJ *P, PJ_DIRECTION direction, PJ_COORD coo); PJ_COORD PROJ_DLL pj_approx_3D_trans (PJ *P, PJ_DIRECTION direction, PJ_COORD coo); - -/* Grid functionality */ -int proj_vgrid_init(PJ *P, const char *grids); -int proj_hgrid_init(PJ *P, const char *grids); -double proj_vgrid_value(PJ *P, PJ_LP lp, double vmultiplier); -PJ_LP proj_hgrid_value(PJ *P, PJ_LP lp); -PJ_LP proj_hgrid_apply(PJ *P, PJ_LP lp, PJ_DIRECTION direction); - void PROJ_DLL proj_log_error (PJ *P, const char *fmt, ...); void proj_log_debug (PJ *P, const char *fmt, ...); void proj_log_trace (PJ *P, const char *fmt, ...); @@ -222,9 +214,6 @@ size_t pj_trim_argc (char *args); char **pj_trim_argv (size_t argc, char *args); char *pj_make_args (size_t argc, char **argv); -/* Lowest level: Minimum support for fileapi */ -void proj_fileapi_set (PJ *P, void *fileapi); - typedef struct { double r, i; } COMPLEX; /* Forward declarations and typedefs for stuff needed inside the PJ object */ @@ -354,6 +343,7 @@ struct PJconsts { PJ_OPERATOR inv4d = nullptr; PJ_DESTRUCTOR destructor = nullptr; + void (*reassign_context)(PJ*, projCtx_t *) = nullptr; /************************************************************************************* @@ -421,7 +411,6 @@ struct PJconsts { int geoc = 0; /* Geocentric latitude flag */ int is_latlong = 0; /* proj=latlong ... not really a projection at all */ int is_geocent = 0; /* proj=geocent ... not really a projection at all */ - int is_pipeline = 0; /* 1 if PJ represents a pipeline */ int need_ellps = 0; /* 0 for operations that are purely cartesian */ int skip_fwd_prepare = 0; int skip_fwd_finalize = 0; @@ -478,32 +467,16 @@ struct PJconsts { int datum_type = PJD_UNKNOWN; /* PJD_UNKNOWN/3PARAM/7PARAM/GRIDSHIFT/WGS84 */ double datum_params[7] = {0,0,0,0,0,0,0}; /* Parameters for 3PARAM and 7PARAM */ - struct _pj_gi **gridlist = nullptr; /* TODO: Description needed */ - int gridlist_count = 0; - int has_geoid_vgrids = 0; /* TODO: Description needed */ - struct _pj_gi **vgridlist_geoid = nullptr; /* TODO: Description needed */ - int vgridlist_geoid_count = 0; + int has_geoid_vgrids = 0; /* used by legacy transform.cpp */ + void* hgrids_legacy = nullptr; /* used by legacy transform.cpp. Is a pointer to a ListOfHGrids* */ + void* vgrids_legacy = nullptr; /* used by legacy transform.cpp. Is a pointer to a ListOfVGrids* */ double from_greenwich = 0.0; /* prime meridian offset (in radians) */ double long_wrap_center = 0.0; /* 0.0 for -180 to 180, actually in radians*/ int is_long_wrap_set = 0; char axis[4] = {0,0,0,0}; /* Axis order, pj_transform/pj_adjust_axis */ - /* New Datum Shift Grid Catalogs */ - char *catalog_name = nullptr; - struct _PJ_GridCatalog *catalog = nullptr; - - double datum_date = 0.0; /* TODO: Description needed */ - - struct _pj_gi *last_before_grid = nullptr; /* TODO: Description needed */ - PJ_Region last_before_region = {0,0,0,0}; /* TODO: Description needed */ - double last_before_date = 0.0; /* TODO: Description needed */ - - struct _pj_gi *last_after_grid = nullptr; /* TODO: Description needed */ - PJ_Region last_after_region = {0,0,0,0}; /* TODO: Description needed */ - double last_after_date = 0.0; /* TODO: Description needed */ - /************************************************************************************* ISO-19111 interface **************************************************************************************/ @@ -685,24 +658,63 @@ struct FACTORS { #define PJD_ERR_INCONSISTENT_UNIT -59 #define PJD_ERR_MUTUALLY_EXCLUSIVE_ARGS -60 #define PJD_ERR_GENERIC_ERROR -61 +#define PJD_ERR_NETWORK_ERROR -62 /* NOTE: Remember to update src/strerrno.cpp, src/apps/gie.cpp and transient_error in */ /* src/transform.cpp when adding new value */ +// Legacy struct projFileAPI_t; struct projCppContext; +struct projNetworkCallbacksAndData +{ + bool enabled = false; + bool enabled_env_variable_checked = false; // whereas we have checked PROJ_NETWORK env variable + proj_network_open_cbk_type open = nullptr; + proj_network_close_cbk_type close = nullptr; + proj_network_get_header_value_cbk_type get_header_value = nullptr; + proj_network_read_range_type read_range = nullptr; + void* user_data = nullptr; +}; + +struct projGridChunkCache +{ + bool enabled = true; + std::string filename{}; + long long max_size = 300 * 1024 * 1024; + int ttl = 86400; // 1 day +}; + +struct projFileApiCallbackAndData +{ + PROJ_FILE_HANDLE* (*open_cbk)(PJ_CONTEXT *ctx, const char *filename, PROJ_OPEN_ACCESS access, void* user_data) = nullptr; + size_t (*read_cbk)(PJ_CONTEXT *ctx, PROJ_FILE_HANDLE*, void* buffer, size_t size, void* user_data) = nullptr; + size_t (*write_cbk)(PJ_CONTEXT *ctx, PROJ_FILE_HANDLE*, const void* buffer, size_t size, void* user_data) = nullptr; + int (*seek_cbk)(PJ_CONTEXT *ctx, PROJ_FILE_HANDLE*, long long offset, int whence, void* user_data) = nullptr; + unsigned long long (*tell_cbk)(PJ_CONTEXT *ctx, PROJ_FILE_HANDLE*, void* user_data) = nullptr; + void (*close_cbk)(PJ_CONTEXT *ctx, PROJ_FILE_HANDLE*, void* user_data) = nullptr; + + int (*exists_cbk)(PJ_CONTEXT *ctx, const char *filename, void* user_data) = nullptr; + int (*mkdir_cbk)(PJ_CONTEXT *ctx, const char *filename, void* user_data) = nullptr; + int (*unlink_cbk)(PJ_CONTEXT *ctx, const char *filename, void* user_data) = nullptr; + int (*rename_cbk)(PJ_CONTEXT *ctx, const char *oldPath, const char *newPath, void* user_data) = nullptr; + + void* user_data = nullptr; +}; + /* proj thread context */ struct projCtx_t { int last_errno = 0; int debug_level = 0; void (*logger)(void *, int, const char *) = nullptr; void *logger_app_data = nullptr; - struct projFileAPI_t *fileapi = nullptr; + struct projFileAPI_t *fileapi_legacy = nullptr; // for proj_api.h legacy API struct projCppContext* cpp_context = nullptr; /* internal context for C++ code */ int use_proj4_init_rules = -1; /* -1 = unknown, 0 = no, 1 = yes */ int epsg_file_exists = -1; /* -1 = unknown, 0 = no, 1 = yes */ + std::string env_var_proj_lib{}; // content of PROJ_LIB environment variable. Use Filemanager::getProjLibEnvVar() to access std::vector<std::string> search_paths{}; const char **c_compat_paths = nullptr; // same, but for projinfo usage @@ -710,6 +722,18 @@ struct projCtx_t { const char* (*file_finder) (PJ_CONTEXT *, const char*, void* user_data) = nullptr; void* file_finder_user_data = nullptr; + projNetworkCallbacksAndData networking{}; + bool defer_grid_opening = false; // set by pj_obj_create() + + projFileApiCallbackAndData fileApi{}; + std::string custom_sqlite3_vfs_name{}; + + bool iniFileLoaded = false; + std::string endpoint{}; + + std::string user_writable_directory{}; + projGridChunkCache gridChunkCache{}; + int projStringParserCreateFromPROJStringRecursionCounter = 0; // to avoid potential infinite recursion in PROJStringParser::createFromPROJString() projCtx_t() = default; @@ -766,56 +790,6 @@ PJ *pj_projection_specific_setup_##name (PJ *P) #endif /* def PJ_LIB__ */ - -#define MAX_TAB_ID 80 -typedef struct { float lam, phi; } FLP; -typedef struct { pj_int32 lam, phi; } ILP; - -struct CTABLE { - char id[MAX_TAB_ID]; /* ascii info */ - PJ_LP ll; /* lower left corner coordinates */ - PJ_LP del; /* size of cells */ - ILP lim; /* limits of conversion matrix */ - FLP *cvs; /* conversion matrix */ -}; - -typedef struct _pj_gi { - char *gridname; /* identifying name of grid, eg "conus" or ntv2_0.gsb */ - char *filename; /* full path to filename */ - - const char *format; /* format of this grid, ie "ctable", "ntv1", - "ntv2" or "missing". */ - - long grid_offset; /* offset in file, for delayed loading */ - int must_swap; /* only for NTv2 */ - - struct CTABLE *ct; - - struct _pj_gi *next; - struct _pj_gi *child; -} PJ_GRIDINFO; - -typedef struct { - PJ_Region region; - int priority; /* higher used before lower */ - double date; /* year.fraction */ - char *definition; /* usually the gridname */ - - PJ_GRIDINFO *gridinfo; - int available; /* 0=unknown, 1=true, -1=false */ -} PJ_GridCatalogEntry; - -typedef struct _PJ_GridCatalog { - char *catalog_name; - - PJ_Region region; /* maximum extent of catalog data */ - - int entry_count; - PJ_GridCatalogEntry *entries; - - struct _PJ_GridCatalog *next; -} PJ_GridCatalog; - /* procedure prototypes */ double PROJ_DLL dmstor(const char *, char **); double dmstor_ctx(projCtx_t *ctx, const char *, char **); @@ -862,52 +836,6 @@ COMPLEX pj_zpolyd1(COMPLEX, const COMPLEX *, int, COMPLEX *); int pj_deriv(PJ_LP, double, const PJ *, struct DERIVS *); int pj_factors(PJ_LP, const PJ *, double, struct FACTORS *); -/* nadcon related protos */ -struct CTABLE* find_ctable(projCtx_t *ctx, PJ_LP input, int grid_count, PJ_GRIDINFO **tables); - -PJ_LP nad_intr(PJ_LP, struct CTABLE *); -PJ_LP nad_cvt(projCtx_t *ctx, PJ_LP in, int inverse, struct CTABLE *ct, int grid_count, PJ_GRIDINFO **tables); -struct CTABLE *nad_init(projCtx_t *ctx, char *); -struct CTABLE *nad_ctable_init( projCtx_t *ctx, struct projFileAPI_t* fid ); -int nad_ctable_load( projCtx_t *ctx, struct CTABLE *, struct projFileAPI_t* fid ); -struct CTABLE *nad_ctable2_init( projCtx_t *ctx, struct projFileAPI_t* fid ); -int nad_ctable2_load( projCtx_t *ctx, struct CTABLE *, struct projFileAPI_t* fid ); -void nad_free(struct CTABLE *); - -/* higher level handling of datum grid shift files */ - -int pj_apply_vgridshift( PJ *defn, const char *listname, - PJ_GRIDINFO ***gridlist_p, - int *gridlist_count_p, - int inverse, - long point_count, int point_offset, - double *x, double *y, double *z ); -int pj_apply_gridshift_2( PJ *defn, int inverse, - long point_count, int point_offset, - double *x, double *y, double *z ); -int pj_apply_gridshift_3( projCtx_t *ctx, - PJ_GRIDINFO **gridlist, int gridlist_count, - int inverse, long point_count, int point_offset, - double *x, double *y, double *z ); - -PJ_GRIDINFO **pj_gridlist_from_nadgrids( projCtx_t *, const char *, int * ); - -PJ_GRIDINFO *pj_gridinfo_init( projCtx_t *, const char * ); -int pj_gridinfo_load( projCtx_t *, PJ_GRIDINFO * ); -void pj_gridinfo_free( projCtx_t *, PJ_GRIDINFO * ); - -PJ_GridCatalog *pj_gc_findcatalog( projCtx_t *, const char * ); -PJ_GridCatalog *pj_gc_readcatalog( projCtx_t *, const char * ); -void pj_gc_unloadall( projCtx_t *); -int pj_gc_apply_gridshift( PJ *defn, int inverse, - long point_count, int point_offset, - double *x, double *y, double *z ); -int pj_gc_apply_gridshift( PJ *defn, int inverse, - long point_count, int point_offset, - double *x, double *y, double *z ); - -double pj_gc_parsedate( projCtx_t *, const char * ); - void *proj_mdist_ini(double); double proj_mdist(double, double, double, const void *); double proj_inv_mdist(projCtx_t *ctx, double, const void *); @@ -932,7 +860,16 @@ std::string pj_double_quote_string_param_if_needed(const std::string& str); PJ *pj_create_internal (PJ_CONTEXT *ctx, const char *definition); PJ *pj_create_argv_internal (PJ_CONTEXT *ctx, int argc, char **argv); -void pj_pipeline_assign_context_to_steps( PJ* P, PJ_CONTEXT* ctx ); +// For use by projinfo +bool PROJ_DLL pj_context_is_network_enabled(PJ_CONTEXT* ctx); + +std::string pj_context_get_url_endpoint(PJ_CONTEXT* ctx); + +void pj_load_ini(PJ_CONTEXT* ctx); + +// Exported for testing purposes only +std::string PROJ_DLL pj_context_get_grid_cache_filename(PJ_CONTEXT *ctx); +std::string PROJ_DLL pj_context_get_user_writable_directory(PJ_CONTEXT *ctx, bool create); /* classic public API */ #include "proj_api.h" |