diff options
Diffstat (limited to 'pdf/pdf_js.c')
| -rw-r--r-- | pdf/pdf_js.c | 919 |
1 files changed, 0 insertions, 919 deletions
diff --git a/pdf/pdf_js.c b/pdf/pdf_js.c deleted file mode 100644 index 4a2313f1..00000000 --- a/pdf/pdf_js.c +++ /dev/null @@ -1,919 +0,0 @@ -#include "mupdf/pdf.h" - -struct pdf_js_s -{ - pdf_document *doc; - pdf_obj *form; - pdf_js_event event; - pdf_jsimp *imp; - pdf_jsimp_type *doctype; - pdf_jsimp_type *eventtype; - pdf_jsimp_type *fieldtype; - pdf_jsimp_type *apptype; -}; - -static pdf_jsimp_obj *app_alert(void *jsctx, void *obj, int argc, pdf_jsimp_obj *args[]) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_context *ctx = js->doc->ctx; - pdf_jsimp_obj *cMsg_obj = NULL; - pdf_jsimp_obj *nIcon_obj = NULL; - pdf_jsimp_obj *nType_obj = NULL; - pdf_jsimp_obj *cTitle_obj = NULL; - pdf_jsimp_obj *nButton_obj = NULL; - pdf_alert_event event; - int arg_is_obj = 0; - - if (argc < 1 || argc > 6) - return NULL; - - event.message = ""; - event.icon_type = PDF_ALERT_ICON_ERROR; - event.button_group_type = PDF_ALERT_BUTTON_GROUP_OK; - event.title = "MuPDF"; - event.check_box_message = NULL; - event.button_pressed = 0; - - fz_var(cMsg_obj); - fz_var(nIcon_obj); - fz_var(nType_obj); - fz_var(cTitle_obj); - fz_try(ctx) - { - arg_is_obj = (argc == 1 && pdf_jsimp_to_type(js->imp, args[0]) != JS_TYPE_STRING); - if (arg_is_obj) - { - cMsg_obj = pdf_jsimp_property(js->imp, args[0], "cMsg"); - nIcon_obj = pdf_jsimp_property(js->imp, args[0], "nIcon"); - nType_obj = pdf_jsimp_property(js->imp, args[0], "nType"); - cTitle_obj = pdf_jsimp_property(js->imp, args[0], "cTitle"); - } - else - { - switch (argc) - { - case 6: - case 5: - case 4: - cTitle_obj = args[3]; - case 3: - nType_obj = args[2]; - case 2: - nIcon_obj = args[1]; - case 1: - cMsg_obj = args[0]; - } - } - - if (cMsg_obj) - event.message = pdf_jsimp_to_string(js->imp, cMsg_obj); - - if (nIcon_obj) - event.icon_type = (int)pdf_jsimp_to_number(js->imp, nIcon_obj); - - if (nType_obj) - event.button_group_type = (int)pdf_jsimp_to_number(js->imp, nType_obj); - - if (cTitle_obj) - event.title = pdf_jsimp_to_string(js->imp, cTitle_obj); - - pdf_event_issue_alert(js->doc, &event); - nButton_obj = pdf_jsimp_from_number(js->imp, (double)event.button_pressed); - } - fz_always(ctx) - { - if (arg_is_obj) - { - pdf_jsimp_drop_obj(js->imp, cMsg_obj); - pdf_jsimp_drop_obj(js->imp, nIcon_obj); - pdf_jsimp_drop_obj(js->imp, nType_obj); - pdf_jsimp_drop_obj(js->imp, cTitle_obj); - } - } - fz_catch(ctx) - { - fz_rethrow(ctx); - } - - return nButton_obj; -} - -static pdf_jsimp_obj *app_execDialog(void *jsctx, void *obj, int argc, pdf_jsimp_obj *args[]) -{ - pdf_js *js = (pdf_js *)jsctx; - - pdf_event_issue_exec_dialog(js->doc); - - return NULL; -} - -static pdf_jsimp_obj *app_execMenuItem(void *jsctx, void *obj, int argc, pdf_jsimp_obj *args[]) -{ - pdf_js *js = (pdf_js *)jsctx; - - if (argc == 1) - pdf_event_issue_exec_menu_item(js->doc, pdf_jsimp_to_string(js->imp, args[0])); - - return NULL; -} - -static pdf_jsimp_obj *app_launchURL(void *jsctx, void *obj, int argc, pdf_jsimp_obj *args[]) -{ - pdf_js *js = (pdf_js *)jsctx; - char *cUrl; - int bNewFrame = 0; - - switch (argc) - { - default: - return NULL; - case 2: - bNewFrame = (int)pdf_jsimp_to_number(js->imp, args[1]); - case 1: - cUrl = pdf_jsimp_to_string(js->imp, args[0]); - } - - pdf_event_issue_launch_url(js->doc, cUrl, bNewFrame); - - return NULL; -} - -static pdf_obj *load_color(fz_context *ctx, pdf_jsimp *imp, pdf_jsimp_obj *val) -{ - pdf_obj *col = NULL; - pdf_obj *comp = NULL; - pdf_jsimp_obj *jscomp = NULL; - int i; - int n; - - n = pdf_jsimp_array_len(imp, val); - - /* The only legitimate color expressed as an array of length 1 - * is [T], meaning transparent. Return a NULL object to represent - * transparent */ - if (n <= 1) - return NULL; - - col = pdf_new_array(ctx, n-1); - - fz_var(comp); - fz_var(jscomp); - fz_try(ctx) - { - for (i = 0; i < n-1; i++) - { - jscomp = pdf_jsimp_array_item(imp, val, i+1); - comp = pdf_new_real(ctx, pdf_jsimp_to_number(imp, jscomp)); - pdf_array_push(col, comp); - pdf_jsimp_drop_obj(imp, jscomp); - jscomp = NULL; - pdf_drop_obj(comp); - comp = NULL; - } - } - fz_catch(ctx) - { - pdf_jsimp_drop_obj(imp, jscomp); - pdf_drop_obj(comp); - pdf_drop_obj(col); - fz_rethrow(ctx); - } - - return col; -} - -static pdf_jsimp_obj *field_buttonSetCaption(void *jsctx, void *obj, int argc, pdf_jsimp_obj *args[]) -{ - pdf_js *js = (pdf_js *)jsctx; - pdf_obj *field = (pdf_obj *)obj; - char *name; - - if (argc != 1) - return NULL; - - name = pdf_jsimp_to_string(js->imp, args[0]); - pdf_field_set_button_caption(js->doc, field, name); - - return NULL; -} - -static pdf_jsimp_obj *field_getName(void *jsctx, void *obj) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_context *ctx = js->doc->ctx; - pdf_obj *field = (pdf_obj *)obj; - char *name; - pdf_jsimp_obj *oname = NULL; - - if (field == NULL) - return NULL; - - name = pdf_field_name(js->doc, field); - fz_try(ctx) - { - oname = pdf_jsimp_from_string(js->imp, name); - } - fz_always(ctx) - { - fz_free(ctx, name); - } - fz_catch(ctx) - { - fz_rethrow(ctx); - } - - return oname; -} - -static void field_setName(void *jsctx, void *obj, pdf_jsimp_obj *val) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_warn(js->doc->ctx, "Unexpected call to field_setName"); -} - -static pdf_jsimp_obj *field_getDisplay(void *jsctx, void *obj) -{ - pdf_js *js = (pdf_js *)jsctx; - pdf_obj *field = (pdf_obj *)obj; - - return field ? pdf_jsimp_from_number(js->imp, (double)pdf_field_display(js->doc, field)) : NULL; -} - -static void field_setDisplay(void *jsctx, void *obj, pdf_jsimp_obj *val) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_context *ctx = js->doc->ctx; - pdf_obj *field = (pdf_obj *)obj; - - if (field) - pdf_field_set_display(js->doc, field, (int)pdf_jsimp_to_number(js->imp, val)); -} - -static pdf_jsimp_obj *field_getFillColor(void *jsctx, void *obj) -{ - return NULL; -} - -static void field_setFillColor(void *jsctx, void *obj, pdf_jsimp_obj *val) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_context *ctx = js->doc->ctx; - pdf_obj *field = (pdf_obj *)obj; - pdf_obj *col; - - if (!field) - return; - - col = load_color(js->doc->ctx, js->imp, val); - fz_try(ctx) - { - pdf_field_set_fill_color(js->doc, field, col); - } - fz_always(ctx) - { - pdf_drop_obj(col); - } - fz_catch(ctx) - { - fz_rethrow(ctx); - } -} - -static pdf_jsimp_obj *field_getTextColor(void *jsctx, void *obj) -{ - return NULL; -} - -static void field_setTextColor(void *jsctx, void *obj, pdf_jsimp_obj *val) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_context *ctx = js->doc->ctx; - pdf_obj *field = (pdf_obj *)obj; - pdf_obj *col; - - if (!field) - return; - - col = load_color(js->doc->ctx, js->imp, val); - fz_try(ctx) - { - pdf_field_set_text_color(js->doc, field, col); - } - fz_always(ctx) - { - pdf_drop_obj(col); - } - fz_catch(ctx) - { - fz_rethrow(ctx); - } -} - -static pdf_jsimp_obj *field_getBorderStyle(void *jsctx, void *obj) -{ - pdf_js *js = (pdf_js *)jsctx; - pdf_obj *field = (pdf_obj *)obj; - - return field ? pdf_jsimp_from_string(js->imp, pdf_field_border_style(js->doc, field)) : NULL; -} - -static void field_setBorderStyle(void *jsctx, void *obj, pdf_jsimp_obj *val) -{ - pdf_js *js = (pdf_js *)jsctx; - pdf_obj *field = (pdf_obj *)obj; - - if (field) - pdf_field_set_border_style(js->doc, field, pdf_jsimp_to_string(js->imp, val)); -} - -static pdf_jsimp_obj *field_getValue(void *jsctx, void *obj) -{ - pdf_js *js = (pdf_js *)jsctx; - pdf_obj *field = (pdf_obj *)obj; - char *fval; - - if (!field) - return NULL; - - fval = pdf_field_value(js->doc, field); - return pdf_jsimp_from_string(js->imp, fval?fval:""); -} - -static void field_setValue(void *jsctx, void *obj, pdf_jsimp_obj *val) -{ - pdf_js *js = (pdf_js *)jsctx; - pdf_obj *field = (pdf_obj *)obj; - - if (field) - (void)pdf_field_set_value(js->doc, field, pdf_jsimp_to_string(js->imp, val)); -} - -static pdf_jsimp_obj *event_getTarget(void *jsctx, void *obj) -{ - pdf_js *js = (pdf_js *)jsctx; - - return pdf_jsimp_new_obj(js->imp, js->fieldtype, js->event.target); -} - -static void event_setTarget(void *jsctx, void *obj, pdf_jsimp_obj *val) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_warn(js->doc->ctx, "Unexpected call to event_setTarget"); -} - -static pdf_jsimp_obj *event_getValue(void *jsctx, void *obj) -{ - pdf_js *js = (pdf_js *)jsctx; - char *v = js->event.value; - - return pdf_jsimp_from_string(js->imp, v?v:""); -} - -static void event_setValue(void *jsctx, void *obj, pdf_jsimp_obj *val) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_context *ctx = js->doc->ctx; - fz_free(ctx, js->event.value); - js->event.value = NULL; - js->event.value = fz_strdup(ctx, pdf_jsimp_to_string(js->imp, val)); -} - -static pdf_jsimp_obj *event_getWillCommit(void *jsctx, void *obj) -{ - pdf_js *js = (pdf_js *)jsctx; - - return pdf_jsimp_from_number(js->imp, 1.0); -} - -static void event_setWillCommit(void *jsctx, void *obj, pdf_jsimp_obj *val) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_warn(js->doc->ctx, "Unexpected call to event_setWillCommit"); -} - -static pdf_jsimp_obj *event_getRC(void *jsctx, void *obj) -{ - pdf_js *js = (pdf_js *)jsctx; - - return pdf_jsimp_from_number(js->imp, (double)js->event.rc); -} - -static void event_setRC(void *jsctx, void *obj, pdf_jsimp_obj *val) -{ - pdf_js *js = (pdf_js *)jsctx; - - js->event.rc = (int)pdf_jsimp_to_number(js->imp, val); -} - -static pdf_jsimp_obj *doc_getEvent(void *jsctx, void *obj) -{ - pdf_js *js = (pdf_js *)jsctx; - - return pdf_jsimp_new_obj(js->imp, js->eventtype, &js->event); -} - -static void doc_setEvent(void *jsctx, void *obj, pdf_jsimp_obj *val) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_warn(js->doc->ctx, "Unexpected call to doc_setEvent"); -} - -static pdf_jsimp_obj *doc_getApp(void *jsctx, void *obj) -{ - pdf_js *js = (pdf_js *)jsctx; - - return pdf_jsimp_new_obj(js->imp, js->apptype, NULL); -} - -static void doc_setApp(void *jsctx, void *obj, pdf_jsimp_obj *val) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_warn(js->doc->ctx, "Unexpected call to doc_setApp"); -} - -static char *utf8_to_pdf(fz_context *ctx, char *utf8) -{ - char *pdf = fz_malloc(ctx, strlen(utf8)+1); - int i = 0; - unsigned char c; - - while ((c = *utf8) != 0) - { - if ((c & 0x80) == 0 && pdf_doc_encoding[c] == c) - { - pdf[i++] = c; - utf8++ ; - } - else - { - int rune; - int j; - - utf8 += fz_chartorune(&rune, utf8); - - for (j = 0; j < sizeof(pdf_doc_encoding) && pdf_doc_encoding[j] != rune; j++) - ; - - if (j < sizeof(pdf_doc_encoding)) - pdf[i++] = j; - } - } - - pdf[i] = 0; - - return pdf; -} - -static pdf_jsimp_obj *doc_getField(void *jsctx, void *obj, int argc, pdf_jsimp_obj *args[]) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_context *ctx = js->doc->ctx; - pdf_obj *dict = NULL; - char *utf8; - char *name = NULL; - - if (argc != 1) - return NULL; - - fz_var(dict); - fz_var(name); - fz_try(ctx) - { - utf8 = pdf_jsimp_to_string(js->imp, args[0]); - - if (utf8) - { - name = utf8_to_pdf(ctx, utf8); - dict = pdf_lookup_field(js->form, name); - } - } - fz_always(ctx) - { - fz_free(ctx, name); - } - fz_catch(ctx) - { - /* FIXME: TryLater ? */ - fz_warn(ctx, "doc_getField failed: %s", fz_caught_message(ctx)); - dict = NULL; - } - - return dict ? pdf_jsimp_new_obj(js->imp, js->fieldtype, dict) : NULL; -} - -static void reset_field(pdf_js *js, pdf_jsimp_obj *item) -{ - fz_context *ctx = js->doc->ctx; - char *name = NULL; - char *utf8 = pdf_jsimp_to_string(js->imp, item); - - if (utf8) - { - pdf_obj *field; - - fz_var(name); - fz_try(ctx) - { - name = utf8_to_pdf(ctx, utf8); - field = pdf_lookup_field(js->form, name); - if (field) - pdf_field_reset(js->doc, field); - } - fz_always(ctx) - { - fz_free(ctx, name); - } - fz_catch(ctx) - { - fz_rethrow(ctx); - } - } -} - -static pdf_jsimp_obj *doc_resetForm(void *jsctx, void *obj, int argc, pdf_jsimp_obj *args[]) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_context *ctx = js->doc->ctx; - pdf_jsimp_obj *arr = NULL; - pdf_jsimp_obj *elem = NULL; - - switch (argc) - { - case 0: - break; - case 1: - switch (pdf_jsimp_to_type(js->imp, args[0])) - { - case JS_TYPE_NULL: - break; - case JS_TYPE_ARRAY: - arr = args[0]; - break; - case JS_TYPE_STRING: - elem = args[0]; - break; - default: - return NULL; - } - break; - default: - return NULL; - } - - fz_try(ctx) - { - if(arr) - { - /* An array of fields has been passed in. Call - * pdf_reset_field on each */ - int i, n = pdf_jsimp_array_len(js->imp, arr); - - for (i = 0; i < n; i++) - { - pdf_jsimp_obj *item = pdf_jsimp_array_item(js->imp, arr, i); - - if (item) - reset_field(js, item); - - } - } - else if (elem) - { - reset_field(js, elem); - } - else - { - /* No argument or null passed in means reset all. */ - int i, n = pdf_array_len(js->form); - - for (i = 0; i < n; i++) - pdf_field_reset(js->doc, pdf_array_get(js->form, i)); - } - } - fz_catch(ctx) - { - fz_warn(ctx, "doc_resetForm failed: %s", fz_caught_message(ctx)); - } - - return NULL; -} - -static pdf_jsimp_obj *doc_print(void *jsctx, void *obj, int argc, pdf_jsimp_obj *args[]) -{ - pdf_js *js = (pdf_js *)jsctx; - - pdf_event_issue_print(js->doc); - - return NULL; -} - -static pdf_jsimp_obj *doc_mailDoc(void *jsctx, void *obj, int argc, pdf_jsimp_obj *args[]) -{ - pdf_js *js = (pdf_js *)jsctx; - fz_context *ctx = js->doc->ctx; - pdf_jsimp_obj *bUI_obj = NULL; - pdf_jsimp_obj *cTo_obj = NULL; - pdf_jsimp_obj *cCc_obj = NULL; - pdf_jsimp_obj *cBcc_obj = NULL; - pdf_jsimp_obj *cSubject_obj = NULL; - pdf_jsimp_obj *cMessage_obj = NULL; - pdf_mail_doc_event event; - int arg_is_obj = 0; - - if (argc < 1 || argc > 6) - return NULL; - - event.ask_user = 1; - event.to = ""; - event.cc = ""; - event.bcc = ""; - event.subject = ""; - event.message = ""; - - fz_var(bUI_obj); - fz_var(cTo_obj); - fz_var(cCc_obj); - fz_var(cBcc_obj); - fz_var(cSubject_obj); - fz_var(cMessage_obj); - fz_try(ctx) - { - arg_is_obj = (argc == 1 && pdf_jsimp_to_type(js->imp, args[0]) != JS_TYPE_BOOLEAN); - if (arg_is_obj) - { - bUI_obj = pdf_jsimp_property(js->imp, args[0], "bUI"); - cTo_obj = pdf_jsimp_property(js->imp, args[0], "cTo"); - cCc_obj = pdf_jsimp_property(js->imp, args[0], "cCc"); - cBcc_obj = pdf_jsimp_property(js->imp, args[0], "cBcc"); - cSubject_obj = pdf_jsimp_property(js->imp, args[0], "cSubject"); - cMessage_obj = pdf_jsimp_property(js->imp, args[0], "cMessage"); - } - else - { - switch (argc) - { - case 6: - cMessage_obj = args[5]; - case 5: - cSubject_obj = args[4]; - case 4: - cBcc_obj = args[3]; - case 3: - cCc_obj = args[2]; - case 2: - cTo_obj = args[1]; - case 1: - bUI_obj = args[0]; - } - } - - if (bUI_obj) - event.ask_user = (int)pdf_jsimp_to_number(js->imp, bUI_obj); - - if (cTo_obj) - event.to = pdf_jsimp_to_string(js->imp, cTo_obj); - - if (cCc_obj) - event.cc = pdf_jsimp_to_string(js->imp, cCc_obj); - - if (cBcc_obj) - event.bcc = pdf_jsimp_to_string(js->imp, cBcc_obj); - - if (cSubject_obj) - event.subject = pdf_jsimp_to_string(js->imp, cSubject_obj); - - if (cMessage_obj) - event.message = pdf_jsimp_to_string(js->imp, cMessage_obj); - - pdf_event_issue_mail_doc(js->doc, &event); - } - fz_always(ctx) - { - if (arg_is_obj) - { - pdf_jsimp_drop_obj(js->imp, bUI_obj); - pdf_jsimp_drop_obj(js->imp, cTo_obj); - pdf_jsimp_drop_obj(js->imp, cCc_obj); - pdf_jsimp_drop_obj(js->imp, cBcc_obj); - pdf_jsimp_drop_obj(js->imp, cSubject_obj); - pdf_jsimp_drop_obj(js->imp, cMessage_obj); - } - } - fz_catch(ctx) - { - fz_rethrow(ctx); - } - - return NULL; -} - -static void declare_dom(pdf_js *js) -{ - pdf_jsimp *imp = js->imp; - - /* Create the document type */ - js->doctype = pdf_jsimp_new_type(imp, NULL); - pdf_jsimp_addmethod(imp, js->doctype, "getField", doc_getField); - pdf_jsimp_addmethod(imp, js->doctype, "resetForm", doc_resetForm); - pdf_jsimp_addmethod(imp, js->doctype, "print", doc_print); - pdf_jsimp_addmethod(imp, js->doctype, "mailDoc", doc_mailDoc); - pdf_jsimp_addproperty(imp, js->doctype, "event", doc_getEvent, doc_setEvent); - pdf_jsimp_addproperty(imp, js->doctype, "app", doc_getApp, doc_setApp); - - /* Create the event type */ - js->eventtype = pdf_jsimp_new_type(imp, NULL); - pdf_jsimp_addproperty(imp, js->eventtype, "target", event_getTarget, event_setTarget); - pdf_jsimp_addproperty(imp, js->eventtype, "value", event_getValue, event_setValue); - pdf_jsimp_addproperty(imp, js->eventtype, "willCommit", event_getWillCommit, event_setWillCommit); - pdf_jsimp_addproperty(imp, js->eventtype, "rc", event_getRC, event_setRC); - - /* Create the field type */ - js->fieldtype = pdf_jsimp_new_type(imp, NULL); - pdf_jsimp_addproperty(imp, js->fieldtype, "value", field_getValue, field_setValue); - pdf_jsimp_addproperty(imp, js->fieldtype, "borderStyle", field_getBorderStyle, field_setBorderStyle); - pdf_jsimp_addproperty(imp, js->fieldtype, "textColor", field_getTextColor, field_setTextColor); - pdf_jsimp_addproperty(imp, js->fieldtype, "fillColor", field_getFillColor, field_setFillColor); - pdf_jsimp_addproperty(imp, js->fieldtype, "display", field_getDisplay, field_setDisplay); - pdf_jsimp_addproperty(imp, js->fieldtype, "name", field_getName, field_setName); - pdf_jsimp_addmethod(imp, js->fieldtype, "buttonSetCaption", field_buttonSetCaption); - - /* Create the app type */ - js->apptype = pdf_jsimp_new_type(imp, NULL); - pdf_jsimp_addmethod(imp, js->apptype, "alert", app_alert); - pdf_jsimp_addmethod(imp, js->apptype, "execDialog", app_execDialog); - pdf_jsimp_addmethod(imp, js->apptype, "execMenuItem", app_execMenuItem); - pdf_jsimp_addmethod(imp, js->apptype, "launchURL", app_launchURL); - - /* Create the document object and tell the engine to use */ - pdf_jsimp_set_global_type(js->imp, js->doctype); -} - -static void preload_helpers(pdf_js *js) -{ - /* When testing on the cluster, redefine the Date object - * to use a fixed date */ -#ifdef CLUSTER - pdf_jsimp_execute(js->imp, -"var MuPDFOldDate = Date\n" -"Date = function() { return new MuPDFOldDate(1979,5,15); }\n" - ); -#endif - - pdf_jsimp_execute(js->imp, -#include "gen_js_util.h" - ); -} - -pdf_js *pdf_new_js(pdf_document *doc) -{ - fz_context *ctx = doc->ctx; - pdf_js *js = NULL; - - fz_var(js); - fz_try(ctx) - { - pdf_obj *root, *acroform; - - js = fz_malloc_struct(ctx, pdf_js); - js->doc = doc; - - /* Find the form array */ - root = pdf_dict_gets(pdf_trailer(doc), "Root"); - acroform = pdf_dict_gets(root, "AcroForm"); - js->form = pdf_dict_gets(acroform, "Fields"); - - /* Initialise the javascript engine, passing the main context - * for use in memory allocation and exception handling. Also - * pass our js context, for it to pass back to us. */ - js->imp = pdf_new_jsimp(ctx, js); - declare_dom(js); - - preload_helpers(js); - } - fz_catch(ctx) - { - pdf_drop_js(js); - js = NULL; - } - - return js; -} - -void pdf_js_load_document_level(pdf_js *js) -{ - pdf_document *doc = js->doc; - fz_context *ctx = doc->ctx; - pdf_obj *javascript = NULL; - char *codebuf = NULL; - - fz_var(javascript); - fz_var(codebuf); - fz_try(ctx) - { - int len, i; - - javascript = pdf_load_name_tree(doc, "JavaScript"); - len = pdf_dict_len(javascript); - - for (i = 0; i < len; i++) - { - pdf_obj *fragment = pdf_dict_get_val(javascript, i); - pdf_obj *code = pdf_dict_gets(fragment, "JS"); - - fz_var(codebuf); - fz_try(ctx) - { - codebuf = pdf_to_utf8(doc, code); - pdf_jsimp_execute(js->imp, codebuf); - } - fz_always(ctx) - { - fz_free(ctx, codebuf); - codebuf = NULL; - } - fz_catch(ctx) - { - /* FIXME: TryLater ? */ - fz_warn(ctx, "Warning: %s", fz_caught_message(ctx)); - } - } - } - fz_always(ctx) - { - pdf_drop_obj(javascript); - } - fz_catch(ctx) - { - fz_rethrow(ctx); - } -} - -void pdf_drop_js(pdf_js *js) -{ - if (js) - { - fz_context *ctx = js->doc->ctx; - fz_free(ctx, js->event.value); - pdf_jsimp_drop_type(js->imp, js->apptype); - pdf_jsimp_drop_type(js->imp, js->fieldtype); - pdf_jsimp_drop_type(js->imp, js->doctype); - pdf_drop_jsimp(js->imp); - fz_free(ctx, js); - } -} - -void pdf_js_setup_event(pdf_js *js, pdf_js_event *e) -{ - if (js) - { - fz_context *ctx = js->doc->ctx; - char *ev = e->value ? e->value : ""; - char *v = fz_strdup(ctx, ev); - - fz_free(ctx, js->event.value); - js->event.value = v; - - js->event.target = e->target; - js->event.rc = 1; - } -} - -pdf_js_event *pdf_js_get_event(pdf_js *js) -{ - return js ? &js->event : NULL; -} - -void pdf_js_execute(pdf_js *js, char *code) -{ - if (js) - { - fz_context *ctx = js->doc->ctx; - fz_try(ctx) - { - pdf_jsimp_execute(js->imp, code); - } - fz_catch(ctx) - { - } - } -} - -void pdf_js_execute_count(pdf_js *js, char *code, int count) -{ - if (js) - { - fz_context *ctx = js->doc->ctx; - fz_try(ctx) - { - pdf_jsimp_execute_count(js->imp, code, count); - } - fz_catch(ctx) - { - } - } -} - -int pdf_js_supported(void) -{ - return 1; -} |