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1 module qt.core.QMetaType;
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2 public import qt.core.Qt;
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3 private import qt.core.QDataStream;
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4
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5 version (Tango)
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6 {
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7 import tango.core.Array;
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8 import tango.stdc.stringz;
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9 import tango.core.Traits;
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10 }
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11
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12 alias extern(C) void *function(void *copy) Ctor;
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13 alias extern(C) void function(void *obj) Dtor;
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14 alias extern(C) void function(void *stream, void * object) StreamOp;
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15
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16 struct DArrayToC
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17 {
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18 void[] array;
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19 }
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20
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21 public template MetaTypeOps(T)
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22 {
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23 // TODO:
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24 // static assert(typeof(new T), "Type " ~ T.stringof ~ " has no default constructor");
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25 // static assert(typeof(new T(T.init))), "Type " ~ T.stringof ~ " has no default copy constructor");
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26
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27 extern(C) void* ctor(void* copy)
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28 {
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29 static if (is(T == class) || is(T == interface))
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30 {
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31 return cast(void*)(copy ? new T(cast(T)copy) : new T);
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32 }
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33 else static if (isDynamicArrayType!(T) || isStaticArrayType!(T) )
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34 {
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35 auto darray = new DArrayToC;
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36 if(copy)
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37 darray.array = (cast(DArrayToC*)copy).array.dup;
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38 return cast(void*)darray;
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39 }
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40 else
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41 {
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42 auto data = new T;
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43 if(copy)
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44 *data = *cast(T*)copy;
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45 return cast(void*)data;
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46 }
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47 }
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48
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49
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50 extern(C) void dtor(void* obj)
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51 {
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52 static if (is(T == class) || is(T == interface))
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53 {
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54 auto tmp = cast(T)obj;
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55 delete tmp;
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56 }
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57 else
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58 {
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59 auto tmp = cast(T*)obj;
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60 delete tmp;
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61 }
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62 }
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63 }
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64
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65 public int qRegisterMetaType(T)(string name = null)
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66 {
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67 if (!name.length)
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68 name = typeid(T).toString;
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69
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70 return qtd_registerType(toStringz(name), &MetaTypeOps!(T).ctor, &MetaTypeOps!(T).dtor);
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71 }
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72
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73 /* Not work....
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74 private class DataStreamPriv: QDataStream
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75 {
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76 this(void * cobj)
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77 {
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78 super(cobj);
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79 }
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80 }
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81 */
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82 /*
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83 public void qRegisterMetaTypeStreamOperators(T)(void function(ref QDataStream, T ) saveOp, void function (ref QDataStream, ref T) loadOp, string name = null)
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84 {
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85 static void function(ref QDataStream, T ) SaveOp;
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86 static void function (ref QDataStream, ref T) LoadOp;
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87 SaveOp = saveOp;
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88 LoadOp = loadOp;
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89
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90 if (!name.length)
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91 name = typeid(T).toString;
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92
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93 extern(C) void saveOpC(void *stream, void *object)
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94 {
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95 QDataStream dstream = new DataStreamPriv(stream);
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96 Stdout(object).newline;
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97 static if (is(T == class) || is(T == interface))
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98 SaveOp(dstream, cast(T)object);
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99 else
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100 SaveOp(dstream, *cast(T*)object);
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101 }
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102
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103 extern(C) void loadOpC(void *stream, void *object)
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104 {
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105 //return stream;
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106 }
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107
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108 qtd_registerStreamOperators(toStringz(name), cast(StreamOp)&saveOpC, cast(StreamOp)&loadOpC);
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109 }
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110 */
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111 private extern(C) void qtd_registerStreamOperators(char *typeName, StreamOp saveOp, StreamOp loadOp);
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112 private extern(C) int qtd_registerType(in char* namePtr, Ctor ctor, Dtor dtor);
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113 extern(C) int qtd_MetatypeId(in char *id); // TODO: wrap to D. |
