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Overview
| Comment: | Rewrite "string wordend" to use the Tcl_UniChar array. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | tip-575 |
| Files: | files | file ages | folders |
| SHA3-256: |
8333c88b3ceceae23c130c9ed1f6ace2 |
| User & Date: | jan.nijtmans 2020-05-23 22:07:53 |
Context
|
2020-05-24
| ||
| 22:29 | Put back "string bytelength", not _that_ important for this TIP. Document that Tcl_UtfCharComplete(... check-in: f4989d1e8f user: jan.nijtmans tags: tip-575 | |
|
2020-05-23
| ||
| 22:07 | Rewrite "string wordend" to use the Tcl_UniChar array. check-in: 8333c88b3c user: jan.nijtmans tags: tip-575 | |
| 21:51 | Fix testsuite when "string bytelength" doesn't exist. check-in: 56fca3f26d user: jan.nijtmans tags: tip-575 | |
Changes
Changes to generic/tclCmdMZ.c.
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StringEndCmd(
TCL_UNUSED(ClientData),
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
int ch;
const char *p, *end, *string;
int cur, index, length, numChars;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 1, objv, "string index");
return TCL_ERROR;
}
string = TclGetStringFromObj(objv[1], &length);
numChars = Tcl_NumUtfChars(string, length);
if (TclGetIntForIndexM(interp, objv[2], numChars-1, &index) != TCL_OK) {
return TCL_ERROR;
}
string = TclGetStringFromObj(objv[1], &length);
if (index < 0) {
index = 0;
}
if (index < numChars) {
p = Tcl_UtfAtIndex(string, index);
end = string+length;
for (cur = index; p < end; cur++) {
p += TclUtfToUCS4(p, &ch);
if (!Tcl_UniCharIsWordChar(ch)) {
break;
}
}
if (cur == index) {
cur++;
}
} else {
cur = numChars;
}
Tcl_SetObjResult(interp, Tcl_NewWideIntObj(cur));
return TCL_OK;
}
/*
|
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StringEndCmd(
TCL_UNUSED(ClientData),
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
int ch;
const Tcl_UniChar *p, *end, *string;
int cur, index, length;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 1, objv, "string index");
return TCL_ERROR;
}
string = Tcl_GetUnicodeFromObj(objv[1], &length);
if (TclGetIntForIndexM(interp, objv[2], length-1, &index) != TCL_OK) {
return TCL_ERROR;
}
if (index < 0) {
index = 0;
}
if (index < length) {
p = &string[index];
end = string+length;
for (cur = index; p < end; cur++) {
p += TclUniCharToUCS4(p, &ch);
if (!Tcl_UniCharIsWordChar(ch)) {
break;
}
}
if (cur == index) {
cur++;
}
} else {
cur = length;
}
Tcl_SetObjResult(interp, Tcl_NewWideIntObj(cur));
return TCL_OK;
}
/*
|