1258945Sroberto 2258945Sroberto/** 3258945Sroberto * \file reset.c 4258945Sroberto * 5280849Scy * Reset the option state to the compiled state. 6258945Sroberto * 7280849Scy * @addtogroup autoopts 8280849Scy * @{ 9280849Scy */ 10280849Scy/* 11258945Sroberto * This file is part of AutoOpts, a companion to AutoGen. 12258945Sroberto * AutoOpts is free software. 13290000Sglebius * AutoOpts is Copyright (C) 1992-2015 by Bruce Korb - all rights reserved 14258945Sroberto * 15258945Sroberto * AutoOpts is available under any one of two licenses. The license 16258945Sroberto * in use must be one of these two and the choice is under the control 17258945Sroberto * of the user of the license. 18258945Sroberto * 19258945Sroberto * The GNU Lesser General Public License, version 3 or later 20258945Sroberto * See the files "COPYING.lgplv3" and "COPYING.gplv3" 21258945Sroberto * 22258945Sroberto * The Modified Berkeley Software Distribution License 23258945Sroberto * See the file "COPYING.mbsd" 24258945Sroberto * 25280849Scy * These files have the following sha256 sums: 26258945Sroberto * 27280849Scy * 8584710e9b04216a394078dc156b781d0b47e1729104d666658aecef8ee32e95 COPYING.gplv3 28280849Scy * 4379e7444a0e2ce2b12dd6f5a52a27a4d02d39d247901d3285c88cf0d37f477b COPYING.lgplv3 29280849Scy * 13aa749a5b0a454917a944ed8fffc530b784f5ead522b1aacaf4ec8aa55a6239 COPYING.mbsd 30258945Sroberto */ 31258945Sroberto 32258945Srobertostatic void 33290000SglebiusoptionReset(tOptions * pOpts, tOptDesc * pOD) 34258945Sroberto{ 35258945Sroberto pOD->fOptState &= OPTST_PERSISTENT_MASK; 36258945Sroberto pOD->fOptState |= OPTST_RESET; 37258945Sroberto if (pOD->pOptProc != NULL) 38258945Sroberto pOD->pOptProc(pOpts, pOD); 39258945Sroberto pOD->optArg.argString = 40258945Sroberto pOpts->originalOptArgArray[ pOD->optIndex ].argString; 41258945Sroberto pOD->optCookie = pOpts->originalOptArgCookie[ pOD->optIndex ]; 42258945Sroberto pOD->fOptState &= OPTST_PERSISTENT_MASK; 43258945Sroberto} 44258945Sroberto 45258945Sroberto 46258945Srobertostatic void 47258945SrobertooptionResetEverything(tOptions * pOpts) 48258945Sroberto{ 49258945Sroberto tOptDesc * pOD = pOpts->pOptDesc; 50258945Sroberto int ct = pOpts->presetOptCt; 51258945Sroberto 52258945Sroberto for (;;) { 53258945Sroberto optionReset(pOpts, pOD); 54258945Sroberto 55258945Sroberto if (--ct <= 0) 56258945Sroberto break; 57258945Sroberto pOD++; 58258945Sroberto } 59258945Sroberto} 60258945Sroberto 61258945Sroberto 62258945Sroberto/*=export_func optionResetOpt 63258945Sroberto * private: 64258945Sroberto * 65258945Sroberto * what: Reset the value of an option 66290000Sglebius * arg: + tOptions * + pOpts + program options descriptor + 67290000Sglebius * arg: + tOptDesc * + pOptDesc + the descriptor for this arg + 68258945Sroberto * 69258945Sroberto * doc: 70258945Sroberto * This code will cause another option to be reset to its initial state. 71258945Sroberto * For example, --reset=foo will cause the --foo option to be reset. 72258945Sroberto=*/ 73258945Srobertovoid 74280849ScyoptionResetOpt(tOptions * pOpts, tOptDesc * pOD) 75258945Sroberto{ 76280849Scy static bool reset_active = false; 77258945Sroberto 78258945Sroberto tOptState opt_state = OPTSTATE_INITIALIZER(DEFINED); 79258945Sroberto char const * pzArg = pOD->optArg.argString; 80258945Sroberto tSuccess succ; 81258945Sroberto 82280849Scy if (pOpts <= OPTPROC_EMIT_LIMIT) 83280849Scy return; 84280849Scy 85258945Sroberto if (reset_active) 86258945Sroberto return; 87258945Sroberto 88258945Sroberto if ( (! HAS_originalOptArgArray(pOpts)) 89280849Scy || (pOpts->originalOptArgCookie == NULL)) 90280849Scy ao_bug(zno_reset); 91258945Sroberto 92258945Sroberto if ((pzArg == NULL) || (*pzArg == NUL)) { 93280849Scy fprintf(stderr, zreset_arg, pOpts->pzProgName, pOD->pz_Name); 94258945Sroberto pOpts->pUsageProc(pOpts, EXIT_FAILURE); 95258945Sroberto /* NOTREACHED */ 96258945Sroberto assert(0 == 1); 97258945Sroberto } 98258945Sroberto 99280849Scy reset_active = true; 100258945Sroberto 101258945Sroberto if (pzArg[1] == NUL) { 102258945Sroberto if (*pzArg == '*') { 103258945Sroberto optionResetEverything(pOpts); 104280849Scy reset_active = false; 105258945Sroberto return; 106258945Sroberto } 107258945Sroberto 108280849Scy succ = opt_find_short(pOpts, (uint8_t)*pzArg, &opt_state); 109258945Sroberto if (! SUCCESSFUL(succ)) { 110258945Sroberto fprintf(stderr, zIllOptChr, pOpts->pzProgPath, *pzArg); 111258945Sroberto pOpts->pUsageProc(pOpts, EXIT_FAILURE); 112258945Sroberto /* NOTREACHED */ 113258945Sroberto assert(0 == 1); 114258945Sroberto } 115258945Sroberto } else { 116294904Sdelphij succ = opt_find_long(pOpts, pzArg, &opt_state); 117258945Sroberto if (! SUCCESSFUL(succ)) { 118258945Sroberto fprintf(stderr, zIllOptStr, pOpts->pzProgPath, pzArg); 119258945Sroberto pOpts->pUsageProc(pOpts, EXIT_FAILURE); 120258945Sroberto /* NOTREACHED */ 121258945Sroberto assert(0 == 1); 122258945Sroberto } 123258945Sroberto } 124258945Sroberto 125258945Sroberto /* 126258945Sroberto * We've found the indicated option. Turn off all non-persistent 127258945Sroberto * flags because we're forcing the option back to its initialized state. 128258945Sroberto * Call any callout procedure to handle whatever it needs to. 129258945Sroberto * Finally, clear the reset flag, too. 130258945Sroberto */ 131258945Sroberto optionReset(pOpts, opt_state.pOD); 132280849Scy reset_active = false; 133258945Sroberto} 134280849Scy/** @} 135280849Scy * 136258945Sroberto * Local Variables: 137258945Sroberto * mode: C 138258945Sroberto * c-file-style: "stroustrup" 139258945Sroberto * indent-tabs-mode: nil 140258945Sroberto * End: 141258945Sroberto * end of autoopts/reset.c */ 142