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-rw-r--r--generic/tclCmdAH.c300
1 files changed, 234 insertions, 66 deletions
diff --git a/generic/tclCmdAH.c b/generic/tclCmdAH.c
index 4c299f8..61de353 100644
--- a/generic/tclCmdAH.c
+++ b/generic/tclCmdAH.c
@@ -46,9 +46,21 @@ struct ForeachState {
static int CheckAccess(Tcl_Interp *interp, Tcl_Obj *pathPtr,
int mode);
+static int EncodingConvertfromObjCmd(ClientData dummy,
+ Tcl_Interp *interp, int objc,
+ Tcl_Obj *const objv[]);
+static int EncodingConverttoObjCmd(ClientData dummy,
+ Tcl_Interp *interp, int objc,
+ Tcl_Obj *const objv[]);
static int EncodingDirsObjCmd(ClientData dummy,
Tcl_Interp *interp, int objc,
Tcl_Obj *const objv[]);
+static int EncodingNamesObjCmd(ClientData dummy,
+ Tcl_Interp *interp, int objc,
+ Tcl_Obj *const objv[]);
+static int EncodingSystemObjCmd(ClientData dummy,
+ Tcl_Interp *interp, int objc,
+ Tcl_Obj *const objv[]);
static inline int ForeachAssignments(Tcl_Interp *interp,
struct ForeachState *statePtr);
static inline void ForeachCleanup(Tcl_Interp *interp,
@@ -541,79 +553,173 @@ Tcl_EncodingObjCmd(
switch ((enum options) index) {
case ENC_CONVERTTO:
- case ENC_CONVERTFROM: {
- Tcl_Obj *data;
- Tcl_DString ds;
- Tcl_Encoding encoding;
- int length;
- const char *stringPtr;
-
- if (objc == 3) {
- encoding = Tcl_GetEncoding(interp, NULL);
- data = objv[2];
- } else if (objc == 4) {
- if (Tcl_GetEncodingFromObj(interp, objv[2], &encoding) != TCL_OK) {
- return TCL_ERROR;
- }
- data = objv[3];
- } else {
- Tcl_WrongNumArgs(interp, 2, objv, "?encoding? data");
+ return EncodingConverttoObjCmd(dummy, interp, objc, objv);
+ case ENC_CONVERTFROM:
+ return EncodingConvertfromObjCmd(dummy, interp, objc, objv);
+ case ENC_DIRS:
+ return EncodingDirsObjCmd(dummy, interp, objc, objv);
+ case ENC_NAMES:
+ return EncodingNamesObjCmd(dummy, interp, objc, objv);
+ case ENC_SYSTEM:
+ return EncodingSystemObjCmd(dummy, interp, objc, objv);
+ }
+ return TCL_OK;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ *
+ * TclInitEncodingCmd --
+ *
+ * This function creates the 'encoding' ensemble.
+ *
+ * Results:
+ * Returns the Tcl_Command so created.
+ *
+ * Side effects:
+ * The ensemble is initialized.
+ *
+ * This command is not installed in a safe interpreter.
+ */
+
+Tcl_Command
+TclInitEncodingCmd(
+ Tcl_Interp* interp) /* Tcl interpreter */
+{
+ static const EnsembleImplMap encodingImplMap[] = {
+ {"convertfrom", EncodingConvertfromObjCmd, TclCompileBasic1Or2ArgCmd, NULL, NULL, 0},
+ {"convertto", EncodingConverttoObjCmd, TclCompileBasic1Or2ArgCmd, NULL, NULL, 0},
+ {"dirs", EncodingDirsObjCmd, TclCompileBasic0Or1ArgCmd, NULL, NULL, 0},
+ {"names", EncodingNamesObjCmd, TclCompileBasic0ArgCmd, NULL, NULL, 0},
+ {"system", EncodingSystemObjCmd, TclCompileBasic0Or1ArgCmd, NULL, NULL, 0},
+ {NULL, NULL, NULL, NULL, NULL, 0}
+ };
+
+ return TclMakeEnsemble(interp, "encoding", encodingImplMap);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * EncodingConvertfromObjCmd --
+ *
+ * This command converts a byte array in an external encoding into a
+ * Tcl string
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+EncodingConvertfromObjCmd(
+ ClientData dummy, /* Not used. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tcl_Obj *data; /* Byte array to convert */
+ Tcl_DString ds; /* Buffer to hold the string */
+ Tcl_Encoding encoding; /* Encoding to use */
+ int length; /* Length of the byte array being converted */
+ const char *bytesPtr; /* Pointer to the first byte of the array */
+
+ if (objc == 2) {
+ encoding = Tcl_GetEncoding(interp, NULL);
+ data = objv[1];
+ } else if (objc == 3) {
+ if (Tcl_GetEncodingFromObj(interp, objv[1], &encoding) != TCL_OK) {
return TCL_ERROR;
}
+ data = objv[2];
+ } else {
+ Tcl_WrongNumArgs(interp, 1, objv, "?encoding? data");
+ return TCL_ERROR;
+ }
- if ((enum options) index == ENC_CONVERTFROM) {
- /*
- * Treat the string as binary data.
- */
+ /*
+ * Convert the string into a byte array in 'ds'
+ */
+ bytesPtr = (char *) Tcl_GetByteArrayFromObj(data, &length);
+ Tcl_ExternalToUtfDString(encoding, bytesPtr, length, &ds);
- stringPtr = (char *) Tcl_GetByteArrayFromObj(data, &length);
- Tcl_ExternalToUtfDString(encoding, stringPtr, length, &ds);
+ /*
+ * Note that we cannot use Tcl_DStringResult here because it will
+ * truncate the string at the first null byte.
+ */
- /*
- * Note that we cannot use Tcl_DStringResult here because it will
- * truncate the string at the first null byte.
- */
+ Tcl_SetObjResult(interp, TclDStringToObj(&ds));
- Tcl_SetObjResult(interp, TclDStringToObj(&ds));
- } else {
- /*
- * Store the result as binary data.
- */
-
- stringPtr = TclGetStringFromObj(data, &length);
- Tcl_UtfToExternalDString(encoding, stringPtr, length, &ds);
- Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(
- (unsigned char *) Tcl_DStringValue(&ds),
- Tcl_DStringLength(&ds)));
- Tcl_DStringFree(&ds);
- }
+ /*
+ * We're done with the encoding
+ */
- Tcl_FreeEncoding(encoding);
- break;
- }
- case ENC_DIRS:
- return EncodingDirsObjCmd(dummy, interp, objc, objv);
- case ENC_NAMES:
- if (objc > 2) {
- Tcl_WrongNumArgs(interp, 2, objv, NULL);
- return TCL_ERROR;
- }
- Tcl_GetEncodingNames(interp);
- break;
- case ENC_SYSTEM:
- if (objc > 3) {
- Tcl_WrongNumArgs(interp, 2, objv, "?encoding?");
+ Tcl_FreeEncoding(encoding);
+ return TCL_OK;
+
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * EncodingConverttoObjCmd --
+ *
+ * This command converts a Tcl string into a byte array that
+ * encodes the string according to some encoding.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+EncodingConverttoObjCmd(
+ ClientData dummy, /* Not used. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tcl_Obj *data; /* String to convert */
+ Tcl_DString ds; /* Buffer to hold the byte array */
+ Tcl_Encoding encoding; /* Encoding to use */
+ int length; /* Length of the string being converted */
+ const char *stringPtr; /* Pointer to the first byte of the string */
+
+ /* TODO - ADJUST OBJ INDICES WHEN ENSEMBLIFYING THIS */
+
+ if (objc == 2) {
+ encoding = Tcl_GetEncoding(interp, NULL);
+ data = objv[1];
+ } else if (objc == 3) {
+ if (Tcl_GetEncodingFromObj(interp, objv[1], &encoding) != TCL_OK) {
return TCL_ERROR;
}
- if (objc == 2) {
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- Tcl_GetEncodingName(NULL), -1));
- } else {
- return Tcl_SetSystemEncoding(interp, TclGetString(objv[2]));
- }
- break;
+ data = objv[2];
+ } else {
+ Tcl_WrongNumArgs(interp, 1, objv, "?encoding? data");
+ return TCL_ERROR;
}
+
+ /*
+ * Convert the string to a byte array in 'ds'
+ */
+
+ stringPtr = TclGetStringFromObj(data, &length);
+ Tcl_UtfToExternalDString(encoding, stringPtr, length, &ds);
+ Tcl_SetObjResult(interp,
+ Tcl_NewByteArrayObj((unsigned char*) Tcl_DStringValue(&ds),
+ Tcl_DStringLength(&ds)));
+ Tcl_DStringFree(&ds);
+
+ /*
+ * We're done with the encoding
+ */
+
+ Tcl_FreeEncoding(encoding);
return TCL_OK;
+
}
/*
@@ -641,16 +747,16 @@ EncodingDirsObjCmd(
{
Tcl_Obj *dirListObj;
- if (objc > 3) {
- Tcl_WrongNumArgs(interp, 2, objv, "?dirList?");
+ if (objc > 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "?dirList?");
return TCL_ERROR;
}
- if (objc == 2) {
+ if (objc == 1) {
Tcl_SetObjResult(interp, Tcl_GetEncodingSearchPath());
return TCL_OK;
}
- dirListObj = objv[2];
+ dirListObj = objv[1];
if (Tcl_SetEncodingSearchPath(dirListObj) == TCL_ERROR) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"expected directory list but got \"%s\"",
@@ -664,6 +770,68 @@ EncodingDirsObjCmd(
}
/*
+ *-----------------------------------------------------------------------------
+ *
+ * EncodingNamesObjCmd --
+ *
+ * This command returns a list of the available encoding names
+ *
+ * Results:
+ * Returns a standard Tcl result
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+int
+EncodingNamesObjCmd(ClientData dummy, /* Unused */
+ Tcl_Interp* interp, /* Tcl interpreter */
+ int objc, /* Number of command line args */
+ Tcl_Obj* const objv[]) /* Vector of command line args */
+{
+ if (objc > 1) {
+ Tcl_WrongNumArgs(interp, 1, objv, NULL);
+ return TCL_ERROR;
+ }
+ Tcl_GetEncodingNames(interp);
+ return TCL_OK;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ *
+ * EncodingSystemObjCmd --
+ *
+ * This command retrieves or changes the system encoding
+ *
+ * Results:
+ * Returns a standard Tcl result
+ *
+ * Side effects:
+ * May change the system encoding.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+int
+EncodingSystemObjCmd(ClientData dummy, /* Unused */
+ Tcl_Interp* interp, /* Tcl interpreter */
+ int objc, /* Number of command line args */
+ Tcl_Obj* const objv[]) /* Vector of command line args */
+{
+ if (objc > 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "?encoding?");
+ return TCL_ERROR;
+ }
+ if (objc == 1) {
+ Tcl_SetObjResult(interp,
+ Tcl_NewStringObj(Tcl_GetEncodingName(NULL), -1));
+ } else {
+ return Tcl_SetSystemEncoding(interp, TclGetString(objv[1]));
+ }
+ return TCL_OK;
+}
+
+/*
*----------------------------------------------------------------------
*
* Tcl_ErrorObjCmd --
generated by cgit v0.12 at 2024-11-25 15:12:22 (GMT)