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annotate nodejs/observer.cc @ 677:efa666d118e5

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Use variable frame to maintain macros
author Thinker K.F. Li <thinker@branda.to>
date Fri, 06 Aug 2010 18:39:37 +0800
parents f264b50c469c
children 799c852b9065
rev   line source
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1 #include <v8.h>
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2 #include "mbfly_njs.h"
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3
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4 extern "C" {
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5 #include <mb.h>
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6 #include <string.h>
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7 }
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8
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9 #ifndef ASSERT
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10 #define ASSERT(x)
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11 #endif
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12
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13 using namespace v8;
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14
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15 struct xnjsmb_observer_data {
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16 Persistent<Function> func;
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17 };
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18
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19 static void
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20 event_handler(event_t *evt, void *arg);
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21
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22 static observer_t *
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23 _subject_add_event_observer(subject_t *subject, int type,
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24 Handle<Function> func) {
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25 observer_t *observer;
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26 xnjsmb_observer_data *data;
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27
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28 data = new xnjsmb_observer_data;
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29 if(data == NULL)
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30 return NULL;
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31 data->func = Persistent<Function>::New(func);
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32 observer = subject_add_event_observer(subject, type,
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33 event_handler,
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34 data);
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35
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36 return observer;
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37 }
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38
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39 static void
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40 _subject_remove_observer(subject_t *subject, observer_t *observer) {
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41 xnjsmb_observer_data *data;
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42
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43 subject_remove_observer(subject, observer);
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44 data = (xnjsmb_observer_data *)observer->arg;
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45 delete data;
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46 }
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47
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48 static Handle<Value>
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49 xnjsmb_event_tgt_getter(Handle<Object> self, event_t *evt, const char **err) {
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50 Persistent<Object> *hdl;
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51
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52 hdl = (Persistent<Object> *)
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53 mb_prop_get(&((mb_obj_t *)evt->tgt)->props,
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54 PROP_JSOBJ);
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55 return Local<Object>::New(*hdl);
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56 }
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57
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58 static void
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59 xnjsmb_event_tgt_setter(Handle<Object> self, event_t *evt,
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60 Handle<Value> value, const char **err) {
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61 *err = "Not implemented";
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62 }
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63
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64 static Handle<Value>
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65 xnjsmb_event_cur_tgt_getter(Handle<Object> self, event_t *evt,
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66 const char **err) {
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67 Persistent<Object> *hdl;
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68
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69 hdl = (Persistent<Object> *)
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70 mb_prop_get(&((mb_obj_t *)evt->cur_tgt)->props,
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71 PROP_JSOBJ);
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72 return Local<Object>::New(*hdl);
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73 }
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74
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75 static void
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76 xnjsmb_event_cur_tgt_setter(Handle<Object> self, event_t *evt,
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77 Handle<Value> value, const char **err) {
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78 *err = "Not implemented";
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79 }
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80
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81 /* This is the part of the code generated by gen_v8_binding.m4 */
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82 #include "observer-inc.h"
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83
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84 static void
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85 event_handler(event_t *evt, void *arg) {
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86 xnjsmb_observer_data *data = (xnjsmb_observer_data *)arg;
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87 Handle<Value> evt_obj;
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88 Handle<Value> func_args[1];
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89
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90 evt_obj = xnjsmb_auto_event_new(evt);
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91 ASSERT(!evt_obj.IsEmpty());
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92 func_args[0] = evt_obj;
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93 data->func->Call(Context::GetCurrent()->Global(), 1, func_args);
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94 }
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95
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96 Handle<Value>
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97 export_xnjsmb_auto_subject_new(subject_t *subject) {
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98 Handle<Value> val;
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99
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100 val = xnjsmb_auto_subject_new(subject);
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101 return val;
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102 }
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103
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104 void
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105 xnjsmb_observer_init(void) {
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106 xnjsmb_auto_observer_init();
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107 xnjsmb_auto_subject_init();
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108 xnjsmb_auto_event_init();
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109 }