static void make_colors(void)
{
static struct color
{
int r,g,b;
char *name;
struct pike_string *pname;
} c[]={
#define COLOR(name,R,G,B) \
{R,G,B,name,NULL},
#include "colors.h"
#undef COLOR
};
int i;
const int n=sizeof(c)/sizeof(c[0]);
for (i=0; (size_t)i<sizeof(html_color)/sizeof(html_color[0]); i++)
html_color[i].pname=make_shared_string(html_color[i].name);
for (i=0;i<n;i++)
{
struct color_struct *cs;
push_text(c[i].name);
copy_shared_string(c[i].pname,sp[-1].u.string);
push_object(clone_object(image_color_program,0));
cs=get_storage(sp[-1].u.object,image_color_program);
cs->rgb.r=(COLORTYPE)c[i].r;
cs->rgb.g=(COLORTYPE)c[i].g;
cs->rgb.b=(COLORTYPE)c[i].b;
RGB_TO_RGBL(cs->rgbl,cs->rgb);
copy_shared_string(cs->name,c[i].pname);
}
f_aggregate_mapping(n*2);
colors=sp[-1].u.mapping;
sp--;
dmalloc_touch_svalue(sp);
for (i=0;i<n;i++)
{
push_int(c[i].r);
push_int(c[i].g);
push_int(c[i].b);
f_aggregate(3);
}
f_aggregate(n);
colortable=clone_object(image_colortable_program,1);
if (!colortable)
Pike_fatal("couldn't create colortable\n");
push_int(12);
push_int(12);
push_int(12);
push_int(1);
safe_apply(colortable,"cubicles",4);
pop_stack();
for (i=0;i<n;i++)
push_string(c[i].pname);
f_aggregate(n);
colornames=sp[-1].u.array;
sp--;
dmalloc_touch_svalue(sp);
}
/*! @decl program load_module(string module_name)
*!
*! Load a binary module.
*!
*! This function loads a module written in C or some other language
*! into Pike. The module is initialized and any programs or constants
*! defined will immediately be available.
*!
*! When a module is loaded the C function @tt{pike_module_init()@} will
*! be called to initialize it. When Pike exits @tt{pike_module_exit()@}
*! will be called. These two functions @b{must@} be available in the module.
*!
*! @note
*! The current working directory is normally not searched for
*! dynamic modules. Please use @expr{"./name.so"@} instead of just
*! @expr{"name.so"@} to load modules from the current directory.
*/
void f_load_module(INT32 args)
{
extern int global_callable_flags;
void *module;
modfun init, exit;
struct module_list *new_module;
struct pike_string *module_name;
ONERROR err;
module_name = Pike_sp[-args].u.string;
if((Pike_sp[-args].type != T_STRING) ||
(module_name->size_shift) ||
string_has_null(module_name)) {
Pike_error("Bad argument 1 to load_module()\n");
}
{
struct module_list *mp;
for (mp = dynamic_module_list; mp; mp = mp->next)
if (mp->name == module_name && mp->module_prog) {
pop_n_elems(args);
ref_push_program(mp->module_prog);
return;
}
}
/* Removing RTLD_GLOBAL breaks some PiGTK themes - Hubbe */
/* Using RTLD_LAZY is faster, but makes it impossible to
* detect linking problems at runtime..
*/
module=dlopen(module_name->str,
RTLD_NOW /*|RTLD_GLOBAL*/ );
if(!module)
{
struct object *err_obj = low_clone (module_load_error_program);
#define LOADERR_STRUCT(OBJ) \
((struct module_load_error_struct *) (err_obj->storage + module_load_error_offset))
const char *err = dlerror();
if (err) {
if (err[strlen (err) - 1] == '\n')
push_string (make_shared_binary_string (err, strlen (err) - 1));
else
push_text (err);
}
else
push_constant_text ("Unknown reason");
add_ref (LOADERR_STRUCT (err_obj)->path = Pike_sp[-args - 1].u.string);
add_ref (LOADERR_STRUCT (err_obj)->reason = Pike_sp[-1].u.string);
if (Pike_sp[-args].u.string->len < 1024) {
throw_error_object (err_obj, "load_module", Pike_sp - args - 1, args,
"load_module(\"%s\") failed: %s\n",
module_name->str, Pike_sp[-1].u.string->str);
} else {
throw_error_object (err_obj, "load_module", Pike_sp - args - 1, args,
"load_module() failed: %s\n",
Pike_sp[-1].u.string->str);
}
}
#ifdef PIKE_DEBUG
{
struct module_list *mp;
for (mp = dynamic_module_list; mp; mp = mp->next)
if (mp->module == module && mp->module_prog) {
fprintf(stderr, "load_module(): Module loaded twice:\n"
"Old name: %s\n"
"New name: %s\n",
mp->name->str, module_name->str);
pop_n_elems(args);
ref_push_program(mp->module_prog);
return;
}
}
#endif /* PIKE_DEBUG */
init = CAST_TO_FUN(dlsym(module, "pike_module_init"));
if (!init) {
init = CAST_TO_FUN(dlsym(module, "_pike_module_init"));
if (!init) {
dlclose(module);
Pike_error("pike_module_init missing in dynamic module \"%S\".\n",
module_name);
}
}
exit = CAST_TO_FUN(dlsym(module, "pike_module_exit"));
if (!exit) {
exit = CAST_TO_FUN(dlsym(module, "_pike_module_exit"));
if (!exit) {
dlclose(module);
Pike_error("pike_module_exit missing in dynamic module \"%S\".\n",
module_name);
}
}
#if defined(__NT__) && defined(_M_IA64)
{
fprintf(stderr, "pike_module_init: 0x%p\n"
" func: 0x%p\n"
" gp: 0x%p\n",
init, ((void **)init)[0], ((void **)init)[1]);
fprintf(stderr, "pike_module_exit: 0x%p\n"
" func: 0x%p\n"
" gp: 0x%p\n",
exit, ((void **)exit)[0], ((void **)exit)[1]);
}
#endif /* __NT__ && _M_IA64 */
new_module=ALLOC_STRUCT(module_list);
new_module->next=dynamic_module_list;
dynamic_module_list=new_module;
new_module->module=module;
copy_shared_string(new_module->name, Pike_sp[-args].u.string);
new_module->module_prog = NULL;
new_module->init=init;
new_module->exit=exit;
enter_compiler(new_module->name, 1);
start_new_program();
global_callable_flags|=CALLABLE_DYNAMIC;
#ifdef PIKE_DEBUG
{ struct svalue *save_sp=Pike_sp;
#endif
SET_ONERROR(err, cleanup_compilation, NULL);
#if defined(__NT__) && defined(_M_IA64)
fprintf(stderr, "Calling pike_module_init()...\n");
#endif /* __NT__ && _M_IA64 */
(*(modfun)init)();
#if defined(__NT__) && defined(_M_IA64)
fprintf(stderr, "pike_module_init() done.\n");
#endif /* __NT__ && _M_IA64 */
UNSET_ONERROR(err);
#ifdef PIKE_DEBUG
if(Pike_sp != save_sp)
Pike_fatal("load_module(%s) left %ld droppings on stack!\n",
module_name->str,
PTRDIFF_T_TO_LONG(Pike_sp - save_sp));
}
#endif
pop_n_elems(args);
{
struct program *p = end_program();
exit_compiler();
if (p) {
if (
#if 0
p->num_identifier_references
#else /* !0 */
1
#endif /* 0 */
) {
push_program(p);
add_ref(new_module->module_prog = Pike_sp[-1].u.program);
} else {
/* No identifier references -- Disabled module. */
free_program(p);
push_undefined();
}
} else {
/* Initialization failed. */
new_module->exit();
dlclose(module);
dynamic_module_list = new_module->next;
free_string(new_module->name);
free(new_module);
Pike_error("Failed to initialize dynamic module \"%S\".\n",
module_name);
}
}
}
/*! @decl void create(string|object input, object callbacks, mapping|void entities, mixed|void user_data, int|void input_is_data)
*/
static void f_create(INT32 args)
{
struct object *file_obj = NULL, *callbacks = NULL;
char *file_name = NULL;
struct mapping *entities = NULL;
int input_is_data = 0;
struct pike_string *input_data = NULL;
struct svalue *user_data = NULL;
char *missing_method = NULL;
switch(args) {
case 5:
if (ARG(5).type != T_INT)
Pike_error("Incorrect type for argument 4: expected an integer\n");
input_is_data = ARG(5).u.integer != 0;
/* fall through */
case 4:
user_data = &ARG(4);
/* fall_through */
case 3:
if (ARG(3).type != T_MAPPING)
Pike_error("Incorrect type for argument 3: expected a mapping\n");
entities = ARG(3).u.mapping;
/* fall through */
case 2:
if (ARG(2).type != T_OBJECT)
Pike_error("Incorrect type for argument 2: expected an object\n");
callbacks = ARG(2).u.object;
add_ref(callbacks);
/* fall through */
case 1:
if (ARG(1).type != T_OBJECT && ARG(1).type != T_STRING)
Pike_error("Incorrect type for argument 1: expected a string or an object\n");
if (ARG(1).type == T_OBJECT) {
file_obj = ARG(1).u.object;
add_ref(file_obj);
} else
input_data = ARG(1).u.string;
break;
default:
Pike_error("Incorrect number of arguments: expected between 2 and 4\n");
}
/* check whether file_obj is Stdio.File or derived */
if (file_obj && find_identifier("read", file_obj->prog) < 0)
Pike_error("Passed file object is not Stdio.File or derived from it\n");
/* The parser state is initialized so that no time is wasted for
* callbacks that aren't used by the calling Pike code.
*/
THIS->sax = (xmlSAXHandler*)calloc(1, sizeof(xmlSAXHandler));
if (!THIS->sax)
SIMPLE_OUT_OF_MEMORY_ERROR("create", sizeof(xmlSAXHandler));
/* check whether the callbacks object contains all the required methods
* */
if (!is_callback_ok(callbacks, &missing_method))
Pike_error("Passed callbacks object is not valid. The %s method is missing.\n",
missing_method);
/* choose the parsing method */
if (file_obj)
THIS->parsing_method = PARSE_PUSH_PARSER;
else if (input_data && input_is_data)
THIS->parsing_method = PARSE_MEMORY_PARSER;
else if (input_data)
THIS->parsing_method = PARSE_FILE_PARSER;
else
Pike_error("Cannot determine the parser type to use\n");
pop_n_elems(args);
/* initialize the parser and state */
switch (THIS->parsing_method) {
case PARSE_PUSH_PARSER:
THIS->file_obj = file_obj;
/* the context creation is delayed in this case */
break;
case PARSE_MEMORY_PARSER:
case PARSE_FILE_PARSER:
copy_shared_string(THIS->input_data, input_data);
break;
}
THIS->callbacks = callbacks;
if (user_data)
assign_svalue_no_free(&THIS->user_data, user_data);
else {
THIS->user_data.type = PIKE_T_INT;
THIS->user_data.u.integer = 0;
THIS->user_data.subtype = 1;
}
}
