diff options
Diffstat (limited to 'source/pdf/js/pdf-jsimp-mu.c')
| -rw-r--r-- | source/pdf/js/pdf-jsimp-mu.c | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/source/pdf/js/pdf-jsimp-mu.c b/source/pdf/js/pdf-jsimp-mu.c deleted file mode 100644 index 2fd918cf..00000000 --- a/source/pdf/js/pdf-jsimp-mu.c +++ /dev/null @@ -1,318 +0,0 @@ -#include "mupdf/pdf.h" - -#include <mujs.h> - -#define MAXARGS 16 - -#define OBJ(i) ((pdf_jsimp_obj*)((intptr_t)(i))) -#define IDX(p) ((intptr_t)(p)) -#define NEWOBJ(J,x) OBJ(js_gettop(J) + (x)) - -struct pdf_jsimp_s -{ - fz_context *ctx; - void *jsctx; - js_State *J; -}; - -static void *alloc(void *ud, void *ptr, unsigned int n) -{ - fz_context *ctx = ud; - if (n == 0) { - fz_free(ctx, ptr); - return NULL; - } - if (ptr) - return fz_resize_array(ctx, ptr, n, 1); - return fz_malloc_array(ctx, n, 1); -} - -pdf_jsimp *pdf_new_jsimp(fz_context *ctx, void *jsctx) -{ - js_State *J; - pdf_jsimp *imp; - - J = js_newstate(alloc, ctx, 0); - js_setcontext(J, jsctx); - - imp = fz_malloc_struct(ctx, pdf_jsimp); - imp->ctx = ctx; - imp->jsctx = jsctx; - imp->J = J; - return imp; -} - -void pdf_drop_jsimp(pdf_jsimp *imp) -{ - if (imp) - { - js_freestate(imp->J); - fz_free(imp->ctx, imp); - } -} - -pdf_jsimp_type *pdf_jsimp_new_type(pdf_jsimp *imp, pdf_jsimp_dtr *dtr, char *name) -{ - js_State *J = imp->J; - js_newobject(J); - js_setregistry(J, name); - return (pdf_jsimp_type*)name; -} - -void pdf_jsimp_drop_type(pdf_jsimp *imp, pdf_jsimp_type *type) -{ - if (imp && type) - { - js_State *J = imp->J; - js_delregistry(J, (const char *)type); - } -} - -static void wrapmethod(js_State *J) -{ - pdf_jsimp_obj *args[MAXARGS]; - pdf_jsimp_obj *ret; - pdf_jsimp_method *meth; - const char *type; - void *jsctx; - void *obj; - int i; - - int argc = js_gettop(J) - 1; - - jsctx = js_getcontext(J); - - js_currentfunction(J); - { - js_getproperty(J, -1, "__call"); - meth = js_touserdata(J, -1, "method"); - js_pop(J, 1); - - js_getproperty(J, -1, "__type"); - type = js_tostring(J, -1); - js_pop(J, 1); - } - js_pop(J, 1); - - if (js_isuserdata(J, 0, type)) - obj = js_touserdata(J, 0, type); - else - obj = NULL; - - if (argc > MAXARGS) - js_rangeerror(J, "too many arguments"); - - for (i = 0; i < argc; ++i) - args[i] = OBJ(i+1); - ret = meth(jsctx, obj, argc, args); - if (ret) - js_copy(J, IDX(ret)); - else - js_pushundefined(J); -} - -static void wrapgetter(js_State *J) -{ - pdf_jsimp_obj *ret; - pdf_jsimp_getter *get; - const char *type; - void *jsctx; - void *obj; - - jsctx = js_getcontext(J); - - js_currentfunction(J); - { - js_getproperty(J, -1, "__get"); - get = js_touserdata(J, -1, "getter"); - js_pop(J, 1); - - js_getproperty(J, -1, "__type"); - type = js_tostring(J, -1); - js_pop(J, 1); - } - js_pop(J, 1); - - if (js_isuserdata(J, 0, type)) - obj = js_touserdata(J, 0, type); - else - obj = NULL; - - ret = get(jsctx, obj); - if (ret) - js_copy(J, IDX(ret)); - else - js_pushundefined(J); -} - -static void wrapsetter(js_State *J) -{ - pdf_jsimp_setter *set; - const char *type; - void *jsctx; - void *obj; - - jsctx = js_getcontext(J); - - js_currentfunction(J); - { - js_getproperty(J, -1, "__set"); - set = js_touserdata(J, -1, "setter"); - js_pop(J, 1); - - js_getproperty(J, -1, "__type"); - type = js_tostring(J, -1); - js_pop(J, 1); - } - js_pop(J, 1); - - if (js_isuserdata(J, 0, type)) - obj = js_touserdata(J, 0, type); - else - obj = NULL; - - set(jsctx, obj, OBJ(1)); - - js_pushundefined(J); -} - -void pdf_jsimp_addmethod(pdf_jsimp *imp, pdf_jsimp_type *type, char *name, pdf_jsimp_method *meth) -{ - js_State *J = imp->J; - js_getregistry(J, (const char *)type); - { - js_newcfunction(J, wrapmethod, name, 0); - { - js_pushnull(J); - js_newuserdata(J, "method", meth, NULL); - js_defproperty(J, -2, "__call", JS_READONLY | JS_DONTENUM | JS_DONTCONF); - js_pushstring(J, (const char *)type); - js_defproperty(J, -2, "__type", JS_READONLY | JS_DONTENUM | JS_DONTCONF); - } - js_defproperty(J, -2, name, JS_READONLY | JS_DONTCONF); - } - js_pop(J, 1); -} - -void pdf_jsimp_addproperty(pdf_jsimp *imp, pdf_jsimp_type *type, char *name, pdf_jsimp_getter *get, pdf_jsimp_setter *set) -{ - js_State *J = imp->J; - js_getregistry(J, (const char *)type); - { - js_newcfunction(J, wrapgetter, name, 0); - { - js_pushnull(J); - js_newuserdata(J, "getter", get, NULL); - js_defproperty(J, -2, "__get", JS_READONLY | JS_DONTENUM | JS_DONTCONF); - js_pushstring(J, (const char *)type); - js_defproperty(J, -2, "__type", JS_READONLY | JS_DONTENUM | JS_DONTCONF); - } - js_newcfunction(J, wrapsetter, name, 0); - { - js_pushnull(J); - js_newuserdata(J, "setter", set, NULL); - js_defproperty(J, -2, "__set", JS_READONLY | JS_DONTENUM | JS_DONTCONF); - js_pushstring(J, (const char *)type); - js_defproperty(J, -2, "__type", JS_READONLY | JS_DONTENUM | JS_DONTCONF); - } - js_defaccessor(J, -3, name, JS_READONLY | JS_DONTCONF); - } - js_pop(J, 1); -} - -void pdf_jsimp_set_global_type(pdf_jsimp *imp, pdf_jsimp_type *type) -{ - js_State *J = imp->J; - const char *name; - - js_getregistry(J, (const char *)type); - js_pushiterator(J, -1, 1); - while ((name = js_nextiterator(J, -1))) - { - js_getproperty(J, -2, name); - js_setglobal(J, name); - } -} - -pdf_jsimp_obj *pdf_jsimp_new_obj(pdf_jsimp *imp, pdf_jsimp_type *type, void *natobj) -{ - js_State *J = imp->J; - js_getregistry(J, (const char *)type); - js_newuserdata(J, (const char *)type, natobj, NULL); - return NEWOBJ(J, -1); -} - -void pdf_jsimp_drop_obj(pdf_jsimp *imp, pdf_jsimp_obj *obj) -{ -} - -int pdf_jsimp_to_type(pdf_jsimp *imp, pdf_jsimp_obj *obj) -{ - js_State *J = imp->J; - if (js_isnull(J, IDX(obj))) return JS_TYPE_NULL; - if (js_isboolean(J, IDX(obj))) return JS_TYPE_BOOLEAN; - if (js_isnumber(J, IDX(obj))) return JS_TYPE_NUMBER; - if (js_isstring(J, IDX(obj))) return JS_TYPE_STRING; - if (js_isarray(J, IDX(obj))) return JS_TYPE_ARRAY; - return JS_TYPE_UNKNOWN; -} - -pdf_jsimp_obj *pdf_jsimp_from_string(pdf_jsimp *imp, char *str) -{ - js_State *J = imp->J; - js_pushstring(J, str); - return NEWOBJ(J, -1); -} - -char *pdf_jsimp_to_string(pdf_jsimp *imp, pdf_jsimp_obj *obj) -{ - /* cast away const :( */ - return (char*)js_tostring(imp->J, IDX(obj)); -} - -pdf_jsimp_obj *pdf_jsimp_from_number(pdf_jsimp *imp, double num) -{ - js_State *J = imp->J; - js_pushnumber(J, num); - return NEWOBJ(J, -1); -} - -double pdf_jsimp_to_number(pdf_jsimp *imp, pdf_jsimp_obj *obj) -{ - return js_tonumber(imp->J, IDX(obj)); -} - -int pdf_jsimp_array_len(pdf_jsimp *imp, pdf_jsimp_obj *obj) -{ - js_State *J = imp->J; - return js_getlength(J, IDX(obj)); -} - -pdf_jsimp_obj *pdf_jsimp_array_item(pdf_jsimp *imp, pdf_jsimp_obj *obj, int i) -{ - js_State *J = imp->J; - js_getindex(J, IDX(obj), i); - return NEWOBJ(J, -1); -} - -pdf_jsimp_obj *pdf_jsimp_property(pdf_jsimp *imp, pdf_jsimp_obj *obj, char *prop) -{ - js_State *J = imp->J; - js_getproperty(J, IDX(obj), prop); - return NEWOBJ(J, -1); -} - -void pdf_jsimp_execute(pdf_jsimp *imp, char *code) -{ - js_State *J = imp->J; - js_dostring(J, code, 0); -} - -void pdf_jsimp_execute_count(pdf_jsimp *imp, char *code, int count) -{ - char *terminated = fz_malloc(imp->ctx, count+1); - memcpy(terminated, code, count); - terminated[count] = 0; - pdf_jsimp_execute(imp, terminated); - fz_free(imp->ctx, terminated); -} |