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/**
* @file check.c
*
* @brief consistency checks.
*
* Time-stamp: "2012-03-31 13:46:35 bkorb"
*
* This file contains the routines that deal with processing quoted strings
* into an internal format.
*
* This file is part of AutoOpts, a companion to AutoGen.
* AutoOpts is free software.
* AutoOpts is Copyright (c) 1992-2012 by Bruce Korb - all rights reserved
*
* AutoOpts is available under any one of two licenses. The license
* in use must be one of these two and the choice is under the control
* of the user of the license.
*
* The GNU Lesser General Public License, version 3 or later
* See the files "COPYING.lgplv3" and "COPYING.gplv3"
*
* The Modified Berkeley Software Distribution License
* See the file "COPYING.mbsd"
*
* These files have the following md5sums:
*
* 43b91e8ca915626ed3818ffb1b71248b pkg/libopts/COPYING.gplv3
* 06a1a2e4760c90ea5e1dad8dfaac4d39 pkg/libopts/COPYING.lgplv3
* 66a5cedaf62c4b2637025f049f9b826f pkg/libopts/COPYING.mbsd
*/
/**
* Check for conflicts based on "must" and "cannot" attributes.
*/
static bool
has_conflict(tOptions * pOpts, tOptDesc * pOD)
{
if (pOD->pOptMust != NULL) {
int const * pMust = pOD->pOptMust;
while (*pMust != NO_EQUIVALENT) {
tOptDesc * p = pOpts->pOptDesc + *(pMust++);
if (UNUSED_OPT(p)) {
const tOptDesc * pN = pOpts->pOptDesc + pMust[-1];
fprintf(stderr, zReqFmt, pOD->pz_Name, pN->pz_Name);
return true;
}
}
}
if (pOD->pOptCant != NULL) {
int const * pCant = pOD->pOptCant;
while (*pCant != NO_EQUIVALENT) {
tOptDesc * p = pOpts->pOptDesc + *(pCant++);
if (SELECTED_OPT(p)) {
const tOptDesc* pN = pOpts->pOptDesc + pCant[-1];
fprintf(stderr, zCantFmt, pOD->pz_Name, pN->pz_Name);
return true;
}
}
}
return false;
}
/**
* Check that the option occurs often enough. Too often is already checked.
*/
static bool
occurs_enough(tOptions * pOpts, tOptDesc * pOD)
{
(void)pOpts;
/*
* IF the occurrence counts have been satisfied,
* THEN there is no problem.
*/
if (pOD->optOccCt >= pOD->optMinCt)
return true;
/*
* IF MUST_SET means SET and PRESET are okay,
* so min occurrence count doesn't count
*/
if ( (pOD->fOptState & OPTST_MUST_SET)
&& (pOD->fOptState & (OPTST_PRESET | OPTST_SET)) )
return true;
if (pOD->optMinCt > 1)
fprintf(stderr, zNotEnough, pOD->pz_Name, pOD->optMinCt);
else fprintf(stderr, zNeedOne, pOD->pz_Name);
return false;
}
/**
* Verify option consistency.
*
* Make sure that the argument list passes our consistency tests.
*/
LOCAL bool
is_consistent(tOptions * pOpts)
{
tOptDesc * pOD = pOpts->pOptDesc;
int oCt = pOpts->presetOptCt;
/*
* FOR each of "oCt" options, ...
*/
for (;;) {
/*
* IF the current option was provided on the command line
* THEN ensure that any "MUST" requirements are not
* "DEFAULT" (unspecified) *AND* ensure that any
* "CANT" options have not been SET or DEFINED.
*/
if (SELECTED_OPT(pOD)) {
if (has_conflict(pOpts, pOD))
return false;
}
/*
* IF this option is not equivalenced to another,
* OR it is equivalenced to itself (is the equiv. root)
* THEN we need to make sure it occurs often enough.
*/
if ( (pOD->optEquivIndex == NO_EQUIVALENT)
|| (pOD->optEquivIndex == pOD->optIndex) )
if (! occurs_enough(pOpts, pOD))
return false;
if (--oCt <= 0)
break;
pOD++;
}
/*
* IF we are stopping on errors, check to see if any remaining
* arguments are required to be there or prohibited from being there.
*/
if ((pOpts->fOptSet & OPTPROC_ERRSTOP) != 0) {
/*
* Check for prohibition
*/
if ((pOpts->fOptSet & OPTPROC_NO_ARGS) != 0) {
if (pOpts->origArgCt > pOpts->curOptIdx) {
fprintf(stderr, zNoArgs, pOpts->pzProgName);
return false;
}
}
/*
* ELSE not prohibited, check for being required
*/
else if ((pOpts->fOptSet & OPTPROC_ARGS_REQ) != 0) {
if (pOpts->origArgCt <= pOpts->curOptIdx) {
fprintf(stderr, zArgsMust, pOpts->pzProgName);
return false;
}
}
}
return true;
}
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