97 lines
2.3 KiB
OpenEdge ABL
97 lines
2.3 KiB
OpenEdge ABL
/* -----------------------------------------------------------------------------
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* cdata.i
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*
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* SWIG library file containing macros for manipulating raw C data as strings.
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* ----------------------------------------------------------------------------- */
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%{
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typedef struct SWIGCDATA {
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char *data;
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intgo len;
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} SWIGCDATA;
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%}
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%fragment("cdata", "header") %{
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struct swigcdata {
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intgo size;
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void *data;
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};
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%}
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%typemap(gotype) SWIGCDATA "[]byte"
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%typemap(imtype) SWIGCDATA "uint64"
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%typemap(out, fragment="cdata") SWIGCDATA(struct swigcdata *swig_out) %{
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swig_out = (struct swigcdata *)malloc(sizeof(*swig_out));
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if (swig_out) {
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swig_out->size = $1.len;
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swig_out->data = malloc(swig_out->size);
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if (swig_out->data) {
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memcpy(swig_out->data, $1.data, swig_out->size);
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}
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}
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$result = *(long long *)(void **)&swig_out;
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%}
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%typemap(goout) SWIGCDATA %{
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{
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type swigcdata struct { size int; data uintptr }
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p := (*swigcdata)(unsafe.Pointer(uintptr($1)))
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if p == nil || p.data == 0 {
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$result = nil
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} else {
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b := make([]byte, p.size)
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a := (*[0x7fffffff]byte)(unsafe.Pointer(p.data))[:p.size]
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copy(b, a)
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Swig_free(p.data)
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Swig_free(uintptr(unsafe.Pointer(p)))
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$result = b
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}
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}
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%}
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/* -----------------------------------------------------------------------------
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* %cdata(TYPE [, NAME])
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*
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* Convert raw C data to a binary string.
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* ----------------------------------------------------------------------------- */
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%define %cdata(TYPE,NAME...)
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%insert("header") {
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#if #NAME == ""
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static SWIGCDATA cdata_##TYPE(TYPE *ptr, int nelements) {
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#else
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static SWIGCDATA cdata_##NAME(TYPE *ptr, int nelements) {
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#endif
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SWIGCDATA d;
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d.data = (char *) ptr;
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#if #TYPE != "void"
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d.len = nelements*sizeof(TYPE);
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#else
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d.len = nelements;
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#endif
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return d;
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}
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}
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%typemap(default) int nelements "$1 = 1;"
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#if #NAME == ""
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SWIGCDATA cdata_##TYPE(TYPE *ptr, int nelements);
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#else
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SWIGCDATA cdata_##NAME(TYPE *ptr, int nelements);
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#endif
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%enddef
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%typemap(default) int nelements;
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%rename(cdata) ::cdata_void(void *ptr, int nelements);
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%cdata(void);
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/* Memory move function. Due to multi-argument typemaps this appears
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to be wrapped as
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void memmove(void *data, const char *s); */
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void memmove(void *data, char *indata, int inlen);
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