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devtools/swigwin-1.3.34/Lib/cdata.i

@@ -0,0 +1,82 @@
+/* -----------------------------------------------------------------------------
+ * See the LICENSE file for information on copyright, usage and redistribution
+ * of SWIG, and the README file for authors - http://www.swig.org/release.html.
+ *
+ * cdata.i
+ *
+ * SWIG library file containing macros for manipulating raw C data as strings.
+ * ----------------------------------------------------------------------------- */
+
+%{
+typedef struct SWIGCDATA {
+    char *data;
+    int   len;
+} SWIGCDATA;
+%}
+
+/* -----------------------------------------------------------------------------
+ * Typemaps for returning binary data
+ * ----------------------------------------------------------------------------- */
+
+#if SWIGGUILE
+%typemap(out) SWIGCDATA {
+   $result = gh_str2scm($1.data,$1.len);
+}
+%typemap(in) (const void *indata, int inlen) = (char *STRING, int LENGTH);
+#elif SWIGCHICKEN
+%typemap(out) SWIGCDATA {
+  C_word *string_space = C_alloc(C_SIZEOF_STRING($1.len));
+  $result = C_string(&string_space, $1.len, $1.data);
+}
+%typemap(in) (const void *indata, int inlen) = (char *STRING, int LENGTH);
+#else
+%echo "cdata.i module not supported."
+#endif
+
+
+/* -----------------------------------------------------------------------------
+ * %cdata(TYPE [, NAME]) 
+ *
+ * Convert raw C data to a binary string.
+ * ----------------------------------------------------------------------------- */
+
+%define %cdata(TYPE,NAME...)
+
+%insert("header") {
+#if #NAME == ""
+static SWIGCDATA cdata_##TYPE(TYPE *ptr, int nelements) {
+#else
+static SWIGCDATA cdata_##NAME(TYPE *ptr, int nelements) {
+#endif
+   SWIGCDATA d;
+   d.data = (char *) ptr;
+#if #TYPE != "void"
+   d.len  = nelements*sizeof(TYPE);
+#else
+   d.len  = nelements;
+#endif
+   return d;
+}
+}
+
+%typemap(default) int nelements "$1 = 1;"
+
+#if #NAME == ""
+SWIGCDATA cdata_##TYPE(TYPE *ptr, int nelements);
+#else
+SWIGCDATA cdata_##NAME(TYPE *ptr, int nelements);
+#endif
+%enddef
+
+%typemap(default) int nelements;
+
+%rename(cdata) ::cdata_void(void *ptr, int nelements);
+
+%cdata(void);
+
+/* Memory move function */
+void memmove(void *data, const void *indata, int inlen);
+
+
+
+