diff options
Diffstat (limited to 'tkblt/generic/tkbltSwitch.C')
| -rw-r--r-- | tkblt/generic/tkbltSwitch.C | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/tkblt/generic/tkbltSwitch.C b/tkblt/generic/tkbltSwitch.C deleted file mode 100644 index bb80663..0000000 --- a/tkblt/generic/tkbltSwitch.C +++ /dev/null @@ -1,407 +0,0 @@ -/* - * Smithsonian Astrophysical Observatory, Cambridge, MA, USA - * This code has been modified under the terms listed below and is made - * available under the same terms. - */ - -/* - * Copyright 1991-2004 George A Howlett. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include <string.h> -#include <stdlib.h> - -#include <iostream> -#include <sstream> -#include <iomanip> -using namespace std; - -#include <tcl.h> - -#include "tkbltSwitch.h" - -using namespace Blt; - -#define COUNT_NNEG 0 -#define COUNT_POS 1 -#define COUNT_ANY 2 - -static char* Blt_Strdup(const char *string) -{ - size_t size = strlen(string) + 1; - char* ptr = (char*)malloc(size * sizeof(char)); - if (ptr != NULL) { - strcpy(ptr, string); - } - return ptr; -} - -static int Blt_GetCountFromObj(Tcl_Interp* interp, Tcl_Obj *objPtr, int check, - long *valuePtr) -{ - long count; - if (Tcl_GetLongFromObj(interp, objPtr, &count) != TCL_OK) - return TCL_ERROR; - - switch (check) { - case COUNT_NNEG: - if (count < 0) { - Tcl_AppendResult(interp, "bad value \"", Tcl_GetString(objPtr), - "\": can't be negative", (char *)NULL); - return TCL_ERROR; - } - break; - case COUNT_POS: - if (count <= 0) { - Tcl_AppendResult(interp, "bad value \"", Tcl_GetString(objPtr), - "\": must be positive", (char *)NULL); - return TCL_ERROR; - } - break; - case COUNT_ANY: - break; - } - *valuePtr = count; - return TCL_OK; -} - -static void DoHelp(Tcl_Interp* interp, Blt_SwitchSpec *specs) -{ - Tcl_DString ds; - Tcl_DStringInit(&ds); - Tcl_DStringAppend(&ds, "following switches are available:", -1); - for (Blt_SwitchSpec *sp = specs; sp->type != BLT_SWITCH_END; sp++) { - Tcl_DStringAppend(&ds, "\n ", 4); - Tcl_DStringAppend(&ds, sp->switchName, -1); - Tcl_DStringAppend(&ds, " ", 1); - Tcl_DStringAppend(&ds, sp->help, -1); - } - Tcl_AppendResult(interp, Tcl_DStringValue(&ds), (char *)NULL); - Tcl_DStringFree(&ds); -} - -static Blt_SwitchSpec *FindSwitchSpec(Tcl_Interp* interp, Blt_SwitchSpec *specs, - const char *name, int length, - int needFlags, int hateFlags) -{ - char c = name[1]; - Blt_SwitchSpec *matchPtr = NULL; - for (Blt_SwitchSpec *sp = specs; sp->type != BLT_SWITCH_END; sp++) { - if (sp->switchName == NULL) - continue; - - if (((sp->flags & needFlags) != needFlags) || (sp->flags & hateFlags)) - continue; - - if ((sp->switchName[1] != c) || (strncmp(sp->switchName,name,length)!=0)) - continue; - - if (sp->switchName[length] == '\0') - return sp; /* Stop on a perfect match. */ - - if (matchPtr != NULL) { - Tcl_AppendResult(interp, "ambiguous switch \"", name, "\"\n", - (char *) NULL); - DoHelp(interp, specs); - return NULL; - } - matchPtr = sp; - } - - if (strcmp(name, "-help") == 0) { - DoHelp(interp, specs); - return NULL; - } - - if (matchPtr == NULL) { - Tcl_AppendResult(interp, "unknown switch \"", name, "\"\n", - (char *)NULL); - DoHelp(interp, specs); - return NULL; - } - - return matchPtr; -} - -static int DoSwitch(Tcl_Interp* interp, Blt_SwitchSpec *sp, - Tcl_Obj *objPtr, void *record) -{ - do { - char *ptr = (char *)record + sp->offset; - switch (sp->type) { - case BLT_SWITCH_BOOLEAN: - { - int boo; - - if (Tcl_GetBooleanFromObj(interp, objPtr, &boo) != TCL_OK) { - return TCL_ERROR; - } - if (sp->mask > 0) { - if (boo) { - *((int *)ptr) |= sp->mask; - } else { - *((int *)ptr) &= ~sp->mask; - } - } else { - *((int *)ptr) = boo; - } - } - break; - - case BLT_SWITCH_DOUBLE: - if (Tcl_GetDoubleFromObj(interp, objPtr, (double *)ptr) != TCL_OK) { - return TCL_ERROR; - } - break; - - case BLT_SWITCH_OBJ: - Tcl_IncrRefCount(objPtr); - *(Tcl_Obj **)ptr = objPtr; - break; - - case BLT_SWITCH_FLOAT: - { - double value; - - if (Tcl_GetDoubleFromObj(interp, objPtr, &value) != TCL_OK) { - return TCL_ERROR; - } - *(float *)ptr = (float)value; - } - break; - - case BLT_SWITCH_INT: - if (Tcl_GetIntFromObj(interp, objPtr, (int *)ptr) != TCL_OK) { - return TCL_ERROR; - } - break; - - case BLT_SWITCH_INT_NNEG: - { - long value; - - if (Blt_GetCountFromObj(interp, objPtr, COUNT_NNEG, - &value) != TCL_OK) { - return TCL_ERROR; - } - *(int *)ptr = (int)value; - } - break; - - case BLT_SWITCH_INT_POS: - { - long value; - - if (Blt_GetCountFromObj(interp, objPtr, COUNT_POS, - &value) != TCL_OK) { - return TCL_ERROR; - } - *(int *)ptr = (int)value; - } - break; - - case BLT_SWITCH_LIST: - { - int argc; - - if (Tcl_SplitList(interp, Tcl_GetString(objPtr), &argc, - (const char ***)ptr) != TCL_OK) { - return TCL_ERROR; - } - } - break; - - case BLT_SWITCH_LONG: - if (Tcl_GetLongFromObj(interp, objPtr, (long *)ptr) != TCL_OK) { - return TCL_ERROR; - } - break; - - case BLT_SWITCH_LONG_NNEG: - { - long value; - - if (Blt_GetCountFromObj(interp, objPtr, COUNT_NNEG, - &value) != TCL_OK) { - return TCL_ERROR; - } - *(long *)ptr = value; - } - break; - - case BLT_SWITCH_LONG_POS: - { - long value; - - if (Blt_GetCountFromObj(interp, objPtr, COUNT_POS, &value) - != TCL_OK) { - return TCL_ERROR; - } - *(long *)ptr = value; - } - break; - - case BLT_SWITCH_STRING: - { - char *value; - - value = Tcl_GetString(objPtr); - value = (*value == '\0') ? NULL : Blt_Strdup(value); - if (*(char **)ptr != NULL) { - free(*(char **)ptr); - } - *(char **)ptr = value; - } - break; - - case BLT_SWITCH_CUSTOM: - if ((*sp->customPtr->parseProc)(sp->customPtr->clientData, interp, - sp->switchName, objPtr, (char *)record, sp->offset, sp->flags) - != TCL_OK) { - return TCL_ERROR; - } - break; - - default: - ostringstream str; - str << sp->type << ends; - Tcl_AppendResult(interp, "bad switch table: unknown type \"", - str.str().c_str(), "\"", NULL); - return TCL_ERROR; - } - sp++; - } while ((sp->switchName == NULL) && (sp->type != BLT_SWITCH_END)); - return TCL_OK; -} - -int Blt::ParseSwitches(Tcl_Interp* interp, Blt_SwitchSpec *specs, - int objc, Tcl_Obj* const objv[], void *record, - int flags) -{ - Blt_SwitchSpec *sp; - int needFlags = flags & ~(BLT_SWITCH_USER_BIT - 1); - int hateFlags = 0; - - /* - * Pass 1: Clear the change flags on all the specs so that we - * can check it later. - */ - for (sp = specs; sp->type != BLT_SWITCH_END; sp++) - sp->flags &= ~BLT_SWITCH_SPECIFIED; - - /* - * Pass 2: Process the arguments that match entries in the specs. - * It's an error if the argument doesn't match anything. - */ - int count; - for (count = 0; count < objc; count++) { - char *arg; - int length; - - arg = Tcl_GetStringFromObj(objv[count], &length); - if (flags & BLT_SWITCH_OBJV_PARTIAL) { - /* - * If the argument doesn't start with a '-' (not a switch) or is - * '--', stop processing and return the number of arguments - * comsumed. - */ - if (arg[0] != '-') { - return count; - } - if ((arg[1] == '-') && (arg[2] == '\0')) { - return count + 1; /* include the "--" in the count. */ - } - } - sp = FindSwitchSpec(interp, specs, arg, length, needFlags, hateFlags); - if (sp == NULL) { - return -1; - } - if (sp->type == BLT_SWITCH_BITMASK) { - char *ptr; - - ptr = (char *)record + sp->offset; - *((int *)ptr) |= sp->mask; - } else if (sp->type == BLT_SWITCH_BITMASK_INVERT) { - char *ptr; - - ptr = (char *)record + sp->offset; - *((int *)ptr) &= ~sp->mask; - } else if (sp->type == BLT_SWITCH_VALUE) { - char *ptr; - - ptr = (char *)record + sp->offset; - *((int *)ptr) = sp->mask; - } else { - count++; - if (count == objc) { - Tcl_AppendResult(interp, "value for \"", arg, "\" missing", - (char *) NULL); - return -1; - } - if (DoSwitch(interp, sp, objv[count], record) != TCL_OK) { - ostringstream str; - str << "\n (processing \"" << sp->switchName << "\" switch)" << ends; - Tcl_AddErrorInfo(interp, str.str().c_str()); - return -1; - } - } - sp->flags |= BLT_SWITCH_SPECIFIED; - } - - return count; -} - -void Blt::FreeSwitches(Blt_SwitchSpec *specs, void *record, int needFlags) -{ - for (Blt_SwitchSpec *sp = specs; sp->type != BLT_SWITCH_END; sp++) { - if ((sp->flags & needFlags) == needFlags) { - char *ptr = (char *)record + sp->offset; - switch (sp->type) { - case BLT_SWITCH_STRING: - case BLT_SWITCH_LIST: - if (*((char **) ptr) != NULL) { - free(*((char **) ptr)); - *((char **) ptr) = NULL; - } - break; - - case BLT_SWITCH_OBJ: - if (*((Tcl_Obj **) ptr) != NULL) { - Tcl_DecrRefCount(*((Tcl_Obj **)ptr)); - *((Tcl_Obj **) ptr) = NULL; - } - break; - - case BLT_SWITCH_CUSTOM: - if ((*(char **)ptr != NULL) && - (sp->customPtr->freeProc != NULL)) { - (*sp->customPtr->freeProc)((char *)record, sp->offset, - sp->flags); - } - break; - - default: - break; - } - } - } -} |