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83 | struct attachable_base |
83 | struct attachable_base |
84 | { |
84 | { |
85 | void *self, *cb; // CF+ perl self and callback |
85 | void *self, *cb; // CF+ perl self and callback |
86 | const char *attach; // generic extension attachment information |
86 | const char *attach; // generic extension attachment information |
87 | |
87 | |
88 | void clear (); // called when free'ing objects |
88 | void clear (); // called when free'ing objects |
89 | void optimise (); // possibly save some memory by destroying unneeded data |
89 | void optimise (); // possibly save some memory by destroying unneeded data |
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90 | void instantiate (data_type type, void *obj); |
90 | |
91 | |
91 | void attachable_init () |
92 | void attachable_init () |
92 | { |
93 | { |
93 | self = cb = 0; |
94 | self = cb = 0; |
94 | attach = 0; |
95 | attach = 0; |
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101 | template<class subclass> |
102 | template<class subclass> |
102 | struct attachable : attachable_base |
103 | struct attachable : attachable_base |
103 | { |
104 | { |
104 | static data_type get_dt () |
105 | static data_type get_dt () |
105 | { |
106 | { |
106 | subclass::get_dt (); |
107 | return subclass::get_dt (); |
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108 | } |
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109 | |
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110 | void instantiate () |
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111 | { |
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112 | if (attach) |
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113 | attachable_base::instantiate (get_dt (), static_cast<subclass *>(this)); |
107 | } |
114 | } |
108 | }; |
115 | }; |
109 | |
116 | |
110 | struct object_freezethaw |
117 | struct object_freezethaw |
111 | { |
118 | { |
112 | void *av; |
119 | void *av; |
113 | FILE *fp; |
120 | FILE *fp; |
114 | |
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115 | operator FILE *() { return fp; } |
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116 | }; |
121 | }; |
117 | |
122 | |
118 | struct object_freezer : object_freezethaw |
123 | struct object_freezer : object_freezethaw |
119 | { |
124 | { |
120 | void *filename; |
125 | void *filename; |
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127 | template<class subclass> |
132 | template<class subclass> |
128 | void put (attachable<subclass> *obj) |
133 | void put (attachable<subclass> *obj) |
129 | { |
134 | { |
130 | put ((attachable_base *)obj); |
135 | put ((attachable_base *)obj); |
131 | } |
136 | } |
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137 | |
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138 | operator bool () { return !!fp; } |
132 | }; |
139 | }; |
133 | |
140 | |
134 | struct object_thawer : object_freezethaw |
141 | struct object_thawer : object_freezethaw |
135 | { |
142 | { |
136 | object_thawer (FILE *fp, const char *filename = 0); |
143 | object_thawer (const char *filename = 0); |
137 | ~object_thawer (); |
144 | ~object_thawer (); |
138 | |
145 | |
139 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
146 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
140 | |
147 | |
141 | template<class subclass> |
148 | template<class subclass> |
142 | void get (attachable<subclass> *obj, int oid) |
149 | void get (attachable<subclass> *obj, int oid) |
143 | { |
150 | { |
144 | if (av) |
151 | if (av) |
145 | get (subclass::get_dt (), (subclass *)obj, obj, oid); |
152 | get (subclass::get_dt (), (subclass *)obj, obj, oid); |
146 | } |
153 | } |
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154 | |
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155 | operator FILE *() { return fp; } |
147 | }; |
156 | }; |
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157 | |
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158 | int fprintf (object_freezer &freezer, const char *format, ...); |
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159 | int fputs (const char *s, object_freezer &freezer); |
148 | |
160 | |
149 | #endif |
161 | #endif |
150 | |
162 | |