Example #1
0
/**
 *  Load an option from a block of text.  The text must start with the
 *  configurable/option name and be followed by its associated value.
 *  That value may be processed in any of several ways.  See "tOptionLoadMode"
 *  in autoopts.h.
 *
 * @param[in,out] opts       program options descriptor
 * @param[in,out] opt_state  option processing state
 * @param[in,out] line       source line with long option name in it
 * @param[in]     direction  current processing direction (preset or not)
 * @param[in]     load_mode  option loading mode (OPTION_LOAD_*)
 */
LOCAL void
loadOptionLine(
    tOptions *  opts,
    tOptState * opt_state,
    char *      line,
    tDirection  direction,
    tOptionLoadMode   load_mode )
{
    line = SPN_LOAD_LINE_SKIP_CHARS(line);

    {
        char * arg = assemble_arg_val(line, load_mode);

        if (! SUCCESSFUL(opt_find_long(opts, line, opt_state)))
            return;

        if (opt_state->flags & OPTST_NO_INIT)
            return;

        opt_state->pzOptArg = arg;
    }

    switch (opt_state->flags & (OPTST_IMM|OPTST_DISABLE_IMM)) {
    case 0:
        /*
         *  The selected option has no immediate action.
         *  THEREFORE, if the direction is PRESETTING
         *  THEN we skip this option.
         */
        if (PRESETTING(direction))
            return;
        break;

    case OPTST_IMM:
        if (PRESETTING(direction)) {
            /*
             *  We are in the presetting direction with an option we handle
             *  immediately for enablement, but normally for disablement.
             *  Therefore, skip if disabled.
             */
            if ((opt_state->flags & OPTST_DISABLED) == 0)
                return;
        } else {
            /*
             *  We are in the processing direction with an option we handle
             *  immediately for enablement, but normally for disablement.
             *  Therefore, skip if NOT disabled.
             */
            if ((opt_state->flags & OPTST_DISABLED) != 0)
                return;
        }
        break;

    case OPTST_DISABLE_IMM:
        if (PRESETTING(direction)) {
            /*
             *  We are in the presetting direction with an option we handle
             *  immediately for disablement, but normally for disablement.
             *  Therefore, skip if NOT disabled.
             */
            if ((opt_state->flags & OPTST_DISABLED) != 0)
                return;
        } else {
            /*
             *  We are in the processing direction with an option we handle
             *  immediately for disablement, but normally for disablement.
             *  Therefore, skip if disabled.
             */
            if ((opt_state->flags & OPTST_DISABLED) == 0)
                return;
        }
        break;

    case OPTST_IMM|OPTST_DISABLE_IMM:
        /*
         *  The selected option is always for immediate action.
         *  THEREFORE, if the direction is PROCESSING
         *  THEN we skip this option.
         */
        if (PROCESSING(direction))
            return;
        break;
    }

    /*
     *  Fix up the args.
     */
    if (OPTST_GET_ARGTYPE(opt_state->pOD->fOptState) == OPARG_TYPE_NONE) {
        if (*opt_state->pzOptArg != NUL)
            return;
        opt_state->pzOptArg = NULL;

    } else if (opt_state->pOD->fOptState & OPTST_ARG_OPTIONAL) {
        if (*opt_state->pzOptArg == NUL)
             opt_state->pzOptArg = NULL;
        else {
            AGDUPSTR(opt_state->pzOptArg, opt_state->pzOptArg, "opt arg");
            opt_state->flags |= OPTST_ALLOC_ARG;
        }

    } else {
        if (*opt_state->pzOptArg == NUL)
             opt_state->pzOptArg = zNil;
        else {
            AGDUPSTR(opt_state->pzOptArg, opt_state->pzOptArg, "opt arg");
            opt_state->flags |= OPTST_ALLOC_ARG;
        }
    }

    {
        tOptionLoadMode sv = option_load_mode;
        option_load_mode = load_mode;
        handle_opt(opts, opt_state);
        option_load_mode = sv;
    }
}
Example #2
0
/*
 *  Load an option from a block of text.  The text must start with the
 *  configurable/option name and be followed by its associated value.
 *  That value may be processed in any of several ways.  See "tOptionLoadMode"
 *  in autoopts.h.
 */
LOCAL void
loadOptionLine(
    tOptions*   pOpts,
    tOptState*  pOS,
    char*       pzLine,
    tDirection  direction,
    tOptionLoadMode   load_mode )
{
    while (isspace( (int)*pzLine ))  pzLine++;

    {
        char* pzArg = assembleArgValue( pzLine, load_mode );

        if (! SUCCESSFUL( longOptionFind( pOpts, pzLine, pOS )))
            return;
        if (pOS->flags & OPTST_NO_INIT)
            return;
        pOS->pzOptArg = pzArg;
    }

    switch (pOS->flags & (OPTST_IMM|OPTST_DISABLE_IMM)) {
    case 0:
        /*
         *  The selected option has no immediate action.
         *  THEREFORE, if the direction is PRESETTING
         *  THEN we skip this option.
         */
        if (PRESETTING(direction))
            return;
        break;

    case OPTST_IMM:
        if (PRESETTING(direction)) {
            /*
             *  We are in the presetting direction with an option we handle
             *  immediately for enablement, but normally for disablement.
             *  Therefore, skip if disabled.
             */
            if ((pOS->flags & OPTST_DISABLED) == 0)
                return;
        } else {
            /*
             *  We are in the processing direction with an option we handle
             *  immediately for enablement, but normally for disablement.
             *  Therefore, skip if NOT disabled.
             */
            if ((pOS->flags & OPTST_DISABLED) != 0)
                return;
        }
        break;

    case OPTST_DISABLE_IMM:
        if (PRESETTING(direction)) {
            /*
             *  We are in the presetting direction with an option we handle
             *  immediately for disablement, but normally for disablement.
             *  Therefore, skip if NOT disabled.
             */
            if ((pOS->flags & OPTST_DISABLED) != 0)
                return;
        } else {
            /*
             *  We are in the processing direction with an option we handle
             *  immediately for disablement, but normally for disablement.
             *  Therefore, skip if disabled.
             */
            if ((pOS->flags & OPTST_DISABLED) == 0)
                return;
        }
        break;

    case OPTST_IMM|OPTST_DISABLE_IMM:
        /*
         *  The selected option is always for immediate action.
         *  THEREFORE, if the direction is PROCESSING
         *  THEN we skip this option.
         */
        if (PROCESSING(direction))
            return;
        break;
    }

    /*
     *  Fix up the args.
     */
    if (OPTST_GET_ARGTYPE(pOS->pOD->fOptState) == OPARG_TYPE_NONE) {
        if (*pOS->pzOptArg != NUL)
            return;
        pOS->pzOptArg = NULL;

    } else if (pOS->pOD->fOptState & OPTST_ARG_OPTIONAL) {
        if (*pOS->pzOptArg == NUL)
             pOS->pzOptArg = NULL;
        else {
            AGDUPSTR( pOS->pzOptArg, pOS->pzOptArg, "option argument" );
            pOS->flags |= OPTST_ALLOC_ARG;
        }

    } else {
        if (*pOS->pzOptArg == NUL)
             pOS->pzOptArg = zNil;
        else {
            AGDUPSTR( pOS->pzOptArg, pOS->pzOptArg, "option argument" );
            pOS->flags |= OPTST_ALLOC_ARG;
        }
    }

    {
        tOptionLoadMode sv = option_load_mode;
        option_load_mode = load_mode;
        handleOption( pOpts, pOS );
        option_load_mode = sv;
    }
}
Example #3
0
/**
 * See if the option is to be processed in the current scan direction
 * (-1 or +1).
 */
static bool
direction_ok(opt_state_mask_t f, int dir)
{
    if (dir == 0)
        return true;

    switch (f & (OPTST_IMM|OPTST_DISABLE_IMM)) {
    case 0:
        /*
         *  The selected option has no immediate action.
         *  THEREFORE, if the direction is PRESETTING
         *  THEN we skip this option.
         */
        if (PRESETTING(dir))
            return false;
        break;

    case OPTST_IMM:
        if (PRESETTING(dir)) {
            /*
             *  We are in the presetting direction with an option we handle
             *  immediately for enablement, but normally for disablement.
             *  Therefore, skip if disabled.
             */
            if ((f & OPTST_DISABLED) == 0)
                return false;
        } else {
            /*
             *  We are in the processing direction with an option we handle
             *  immediately for enablement, but normally for disablement.
             *  Therefore, skip if NOT disabled.
             */
            if ((f & OPTST_DISABLED) != 0)
                return false;
        }
        break;

    case OPTST_DISABLE_IMM:
        if (PRESETTING(dir)) {
            /*
             *  We are in the presetting direction with an option we handle
             *  immediately for disablement, but normally for disablement.
             *  Therefore, skip if NOT disabled.
             */
            if ((f & OPTST_DISABLED) != 0)
                return false;
        } else {
            /*
             *  We are in the processing direction with an option we handle
             *  immediately for disablement, but normally for disablement.
             *  Therefore, skip if disabled.
             */
            if ((f & OPTST_DISABLED) == 0)
                return false;
        }
        break;

    case OPTST_IMM|OPTST_DISABLE_IMM:
        /*
         *  The selected option is always for immediate action.
         *  THEREFORE, if the direction is PROCESSING
         *  THEN we skip this option.
         */
        if (PROCESSING(dir))
            return false;
        break;
    }
    return true;
}