diff options
Diffstat (limited to 'import.c')
| -rw-r--r-- | import.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/import.c b/import.c deleted file mode 100644 index 0364685..0000000 --- a/import.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - * This object loads libraries and libdirs from within a patch. It is the - * first small step towards a patch-specific namespace. Currently, it just - * adds things to the global path. It is a reimplementation of a similar/same - * idea from Guenter Geiger's [using] object. <hans@at.or.at> - * - * This object currently depends on the packages/patches/libdir-0.38-4.patch - * for sys_load_lib_dir(). - */ - -#include "m_pd.h" -#include "s_stuff.h" -#include "g_canvas.h" - -#include <string.h> - -/* WARNING: KLUDGE! */ -/* - * this struct is not publically defined (its in g_canvas.c) so I need to - * include this here. Its from Pd 0.41-test03 2006-11-19. */ -struct _canvasenvironment -{ - t_symbol *ce_dir; /* directory patch lives in */ - int ce_argc; /* number of "$" arguments */ - t_atom *ce_argv; /* array of "$" arguments */ - int ce_dollarzero; /* value of "$0" */ - t_namelist *ce_path; /* search path */ -}; - - -static char *version = "$Revision: 1.2 $"; - -t_int import_instance_count; - -#define DEBUG(x) -//#define DEBUG(x) x - -/*------------------------------------------------------------------------------ - * CLASS DEF - */ -static t_class *import_class; - -typedef struct _import -{ - t_object x_obj; - t_canvas *x_canvas; - t_namelist *x_top; - t_namelist *x_current; - char x_classpath_root[MAXPDSTRING]; - t_outlet *x_data_outlet; - t_outlet *x_status_outlet; -} t_import; - - -static int load_library(t_import *x, char *library_name) -{ - DEBUG(post("load_library");); -#if (PD_MINOR_VERSION >= 40) - if (!sys_load_lib(x->x_canvas, library_name)) return 0; -#else -/* sys_load_lib_dir is only used on Pd-extended < 0.40 */ - if (!sys_load_lib(sys_libdir->s_name, library_name)) - if (!sys_load_lib_dir(sys_libdir->s_name, library_name)) - return 0; -#endif /* (PD_MINOR_VERSION >= 40) */ - return 1; -} - - -static void load_arguments(t_import *x, int argc, t_atom *argv) -{ - t_symbol *library_name; - - while (argc--) { - switch (argv->a_type) { - case A_FLOAT: - post("[import] ERROR: floats not supported: %f", - atom_getfloat(argv)); - break; - case A_SYMBOL: - library_name = atom_getsymbol(argv); - if (!load_library(x,library_name->s_name)) - post("[import]: ERROR: can't load library in %s", - library_name->s_name); - else - post("[import] loaded library: %s",library_name->s_name); - break; - default: - post("[import] ERROR: Unsupported atom type"); - } - argv++; - } -} - - -static void import_output(t_import* x) -{ - DEBUG(post("import_output");); - char buffer[MAXPDSTRING]; - -/* TODO: think about using x->x_current->nl_next so that if [import] is at - * the end of its list, and another element gets added to the local - * namespace, [import] will output the new element on the next bang. */ - if(x->x_current) - { - post("current string: %s", x->x_current->nl_string); - strncpy(buffer, x->x_current->nl_string, MAXPDSTRING); - post("current string buffer: %s", buffer); - outlet_symbol( x->x_data_outlet, gensym(buffer) ); - x->x_current = x->x_current->nl_next; - } - else - outlet_bang(x->x_status_outlet); -} - - -static void import_reset(t_import* x) -{ -/* on >= 0.40, this class uses the patch-local paths, on older versions - * before that existed, this class uses the global classpath */ -#if (PD_MINOR_VERSION >= 40) - x->x_top = canvas_getenv(x->x_canvas)->ce_path; -#else - x->x_top = sys_searchpath; -#endif /* (PD_MINOR_VERSION >= 40) */ - x->x_current = x->x_top; -} - - -static void *import_new(t_symbol *s, int argc, t_atom *argv) -{ - t_import *x = (t_import *)pd_new(import_class); - t_symbol *currentdir; - - if(import_instance_count == 0) - { - post("[import] %s",version); - post("\twritten by Hans-Christoph Steiner <hans@at.or.at>"); - post("\tcompiled on "__DATE__" at "__TIME__ " "); - post("\tcompiled against Pd version %d.%d.%d", PD_MAJOR_VERSION, - PD_MINOR_VERSION, PD_BUGFIX_VERSION); - } - import_instance_count++; - - strncpy(x->x_classpath_root, sys_libdir->s_name, MAXPDSTRING - 7); - strcat(x->x_classpath_root, "/extra"); - - x->x_data_outlet = outlet_new(&x->x_obj, &s_symbol); - x->x_status_outlet = outlet_new(&x->x_obj, 0); - - x->x_canvas = canvas_getcurrent(); - load_arguments(x,argc,argv); - import_reset(x); - - return (x); -} - - -static void import_free(t_import *x) -{ - /* TODO: look into freeing the namelist. It probably does not need to - * happen, since this class is just copying the pointer of an existing - * namelist that is handled elsewhere. */ - -/* TODO: perhaps this should remove any libs that this instance had added to - * the namespace */ -} - - -void import_setup(void) -{ - import_class = class_new(gensym("import"), (t_newmethod)import_new, - (t_method)import_free, - sizeof(t_import), - CLASS_DEFAULT, - A_GIMME, - 0); - /* add inlet atom methods */ - class_addbang(import_class,(t_method) import_output); - - /* add inlet selector methods */ - class_addmethod(import_class,(t_method) import_reset, - gensym("reset"), 0); -} |