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71 lines
2.0 KiB
Plaintext
71 lines
2.0 KiB
Plaintext
/* -----------------------------------------------------------------------------
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* See the LICENSE file for information on copyright, usage and redistribution
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* of SWIG, and the README file for authors - http://www.swig.org/release.html.
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*
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* tclwstrings.wg
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*
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* Utility methods for wchar strings
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* ----------------------------------------------------------------------------- */
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%{
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#include <wchar.h>
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%}
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%fragment("SWIG_AsWCharPtrAndSize","header") {
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SWIGINTERN int
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SWIG_AsWCharPtrAndSize(Tcl_Obj *obj, wchar_t** cptr, size_t* psize, int *alloc)
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{
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int len = 0;
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Tcl_UniChar *ustr = Tcl_GetUnicodeFromObj(obj, &len);
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if (ustr) {
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if (cptr) {
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Tcl_Encoding encoding = NULL;
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char *src = (char *) ustr;
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int srcLen = (len)*sizeof(Tcl_UniChar);
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int dstLen = sizeof(wchar_t)*(len + 1);
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char *dst = %new_array(dstLen, char);
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int flags = 0;
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Tcl_EncodingState *statePtr = 0;
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int srcRead = 0;
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int dstWrote = 0;
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int dstChars = 0;
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Tcl_UtfToExternal(0, encoding, src, srcLen, flags, statePtr, dst,
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dstLen, &srcRead, &dstWrote, &dstChars);
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if (alloc) *alloc = SWIG_NEWOBJ;
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}
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if (psize) *psize = len + 1;
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return SWIG_OK;
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}
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return SWIG_TypeError;
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}
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}
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%fragment("SWIG_FromWCharPtrAndSize","header") {
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SWIGINTERNINLINE Tcl_Obj *
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SWIG_FromWCharPtrAndSize(const wchar_t* carray, size_t size)
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{
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Tcl_Obj *res = NULL;
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if (size < INT_MAX) {
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Tcl_Encoding encoding = NULL;
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char *src = (char *) carray;
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int srcLen = (int)(size*sizeof(wchar_t));
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int dstLen = (int)(size*sizeof(Tcl_UniChar));
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char *dst = %new_array(dstLen, char);
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int flags = 0;
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Tcl_EncodingState *statePtr = 0;
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int srcRead = 0;
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int dstWrote = 0;
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int dstChars = 0;
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Tcl_ExternalToUtf(0, encoding, src, srcLen, flags, statePtr, dst,
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dstLen, &srcRead, &dstWrote, &dstChars);
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res = Tcl_NewUnicodeObj((Tcl_UniChar*)dst, (int)size);
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%delete_array(dst);
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}
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return res;
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}
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}
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