diff options
Diffstat (limited to 'hw/xfree86/common/xf86Option.c')
| -rw-r--r-- | hw/xfree86/common/xf86Option.c | 777 |
1 files changed, 777 insertions, 0 deletions
diff --git a/hw/xfree86/common/xf86Option.c b/hw/xfree86/common/xf86Option.c new file mode 100644 index 000000000..6ca1590e4 --- /dev/null +++ b/hw/xfree86/common/xf86Option.c @@ -0,0 +1,777 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86Option.c,v 1.25 2002/09/10 17:39:28 dawes Exp $ */ + +/* + * Copyright (c) 1998 by The XFree86 Project, Inc. + * + * Author: David Dawes <dawes@xfree86.org> + * + * + * This file includes public option handling functions. + */ + +#include <stdlib.h> +#include <ctype.h> +#include "X.h" +#include "os.h" +#include "xf86.h" +#include "xf86Xinput.h" +#include "xf86Optrec.h" + +static Bool ParseOptionValue(int scrnIndex, pointer options, OptionInfoPtr p); + +/* + * xf86CollectOptions collects the options from each of the config file + * sections used by the screen and puts the combined list in pScrn->options. + * This function requires that the following have been initialised: + * + * pScrn->confScreen + * pScrn->Entities[i]->device + * pScrn->display + * pScrn->monitor + * + * The extraOpts parameter may optionally contain a list of additional options + * to include. + * + * The order of precedence for options is: + * + * extraOpts, display, confScreen, monitor, device + */ + +void +xf86CollectOptions(ScrnInfoPtr pScrn, pointer extraOpts) +{ + XF86OptionPtr tmp; + XF86OptionPtr extras = (XF86OptionPtr)extraOpts; + GDevPtr device; + + int i; + + pScrn->options = NULL; + + for (i=pScrn->numEntities - 1; i >= 0; i--) { + device = xf86GetDevFromEntity(pScrn->entityList[i], + pScrn->entityInstanceList[i]); + if (device && device->options) { + tmp = xf86optionListDup(device->options); + if (pScrn->options) + xf86optionListMerge(pScrn->options,tmp); + else + pScrn->options = tmp; + } + } + if (pScrn->monitor->options) { + tmp = xf86optionListDup(pScrn->monitor->options); + if (pScrn->options) + pScrn->options = xf86optionListMerge(pScrn->options, tmp); + else + pScrn->options = tmp; + } + if (pScrn->confScreen->options) { + tmp = xf86optionListDup(pScrn->confScreen->options); + if (pScrn->options) + pScrn->options = xf86optionListMerge(pScrn->options, tmp); + else + pScrn->options = tmp; + } + if (pScrn->display->options) { + tmp = xf86optionListDup(pScrn->display->options); + if (pScrn->options) + pScrn->options = xf86optionListMerge(pScrn->options, tmp); + else + pScrn->options = tmp; + } + if (extras) { + tmp = xf86optionListDup(extras); + if (pScrn->options) + pScrn->options = xf86optionListMerge(pScrn->options, tmp); + else + pScrn->options = tmp; + } +} + +/* + * xf86CollectInputOptions collects the options for an InputDevice. + * This function requires that the following has been initialised: + * + * pInfo->conf_idev + * + * The extraOpts parameter may optionally contain a list of additional options + * to include. + * + * The order of precedence for options is: + * + * extraOpts, pInfo->conf_idev->extraOptions, + * pInfo->conf_idev->commonOptions, defaultOpts + */ + +void +xf86CollectInputOptions(InputInfoPtr pInfo, const char **defaultOpts, + pointer extraOpts) +{ + XF86OptionPtr tmp; + XF86OptionPtr extras = (XF86OptionPtr)extraOpts; + + pInfo->options = NULL; + if (defaultOpts) { + pInfo->options = xf86OptionListCreate(defaultOpts, -1, 0); + } + if (pInfo->conf_idev->commonOptions) { + tmp = xf86optionListDup(pInfo->conf_idev->commonOptions); + if (pInfo->options) + pInfo->options = xf86optionListMerge(pInfo->options, tmp); + else + pInfo->options = tmp; + } + if (pInfo->conf_idev->extraOptions) { + tmp = xf86optionListDup(pInfo->conf_idev->extraOptions); + if (pInfo->options) + pInfo->options = xf86optionListMerge(pInfo->options, tmp); + else + pInfo->options = tmp; + } + if (extras) { + tmp = xf86optionListDup(extras); + if (pInfo->options) + pInfo->options = xf86optionListMerge(pInfo->options, tmp); + else + pInfo->options = tmp; + } +} + +/* Created for new XInput stuff -- essentially extensions to the parser */ + +/* These xf86Set* functions are intended for use by non-screen specific code */ + +int +xf86SetIntOption(pointer optlist, const char *name, int deflt) +{ + OptionInfoRec o; + + o.name = name; + o.type = OPTV_INTEGER; + if (ParseOptionValue(-1, optlist, &o)) + deflt = o.value.num; + return deflt; +} + + +double +xf86SetRealOption(pointer optlist, const char *name, double deflt) +{ + OptionInfoRec o; + + o.name = name; + o.type = OPTV_REAL; + if (ParseOptionValue(-1, optlist, &o)) + deflt = o.value.realnum; + return deflt; +} + + +char * +xf86SetStrOption(pointer optlist, const char *name, char *deflt) +{ + OptionInfoRec o; + + o.name = name; + o.type = OPTV_STRING; + if (ParseOptionValue(-1, optlist, &o)) + deflt = o.value.str; + if (deflt) + return xstrdup(deflt); + else + return NULL; +} + + +int +xf86SetBoolOption(pointer optlist, const char *name, int deflt) +{ + OptionInfoRec o; + + o.name = name; + o.type = OPTV_BOOLEAN; + if (ParseOptionValue(-1, optlist, &o)) + deflt = o.value.bool; + return deflt; +} + +/* + * addNewOption() has the required property of replacing the option value + * it the option is alread present. + */ +pointer +xf86ReplaceIntOption(pointer optlist, char *name, int val) +{ + char *tmp = xnfalloc(16); + sprintf(tmp,"%i",val); + return xf86AddNewOption(optlist,name,tmp); +} + +pointer +xf86ReplaceBoolOption(pointer optlist, char *name, Bool val) +{ + return xf86AddNewOption(optlist,name,(Bool)val?"True":"False"); +} + +pointer +xf86ReplaceStrOption(pointer optlist, char *name, char* val) +{ + return xf86AddNewOption(optlist,name,val); +} + +pointer +xf86AddNewOption(pointer head, char *name, char *val) +{ + char *tmp = strdup(val); + char *tmp_name = strdup(name); + + return xf86addNewOption(head, tmp_name, tmp); +} + + +pointer +xf86NewOption(char *name, char *value) +{ + return xf86newOption(name, value); +} + + +pointer +xf86NextOption(pointer list) +{ + return xf86nextOption(list); +} + +pointer +xf86OptionListCreate(const char **options, int count, int used) +{ + return xf86optionListCreate(options, count, used); +} + +pointer +xf86OptionListMerge(pointer head, pointer tail) +{ + return xf86optionListMerge(head, tail); +} + +void +xf86OptionListFree(pointer opt) +{ + xf86optionListFree(opt); +} + +char * +xf86OptionName(pointer opt) +{ + return xf86optionName(opt); +} + +char * +xf86OptionValue(pointer opt) +{ + return xf86optionValue(opt); +} + +void +xf86OptionListReport(pointer parm) +{ + XF86OptionPtr opts = parm; + + while(opts) { + if (xf86optionValue(opts)) + xf86ErrorFVerb(5, "\tOption \"%s\" \"%s\"\n", + xf86optionName(opts), xf86optionValue(opts)); + else + xf86ErrorFVerb( 5, "\tOption \"%s\"\n", xf86optionName(opts)); + opts = xf86nextOption(opts); + } +} + +/* End of XInput-caused section */ + +pointer +xf86FindOption(pointer options, const char *name) +{ + return xf86findOption(options, name); +} + + +char * +xf86FindOptionValue(pointer options, const char *name) +{ + return xf86findOptionValue(options, name); +} + + +void +xf86MarkOptionUsed(pointer option) +{ + if (option != NULL) + ((XF86OptionPtr)option)->opt_used = TRUE; +} + + +void +xf86MarkOptionUsedByName(pointer options, const char *name) +{ + XF86OptionPtr opt; + + opt = xf86findOption(options, name); + if (opt != NULL) + opt->opt_used = TRUE; +} + +Bool +xf86CheckIfOptionUsed(pointer option) +{ + if (option != NULL) + return ((XF86OptionPtr)option)->opt_used; + else + return FALSE; +} + +Bool +xf86CheckIfOptionUsedByName(pointer options, const char *name) +{ + XF86OptionPtr opt; + + opt = xf86findOption(options, name); + if (opt != NULL) + return opt->opt_used; + else + return FALSE; +} + +void +xf86ShowUnusedOptions(int scrnIndex, pointer options) +{ + XF86OptionPtr opt = options; + + while (opt) { + if (opt->opt_name && !opt->opt_used) { + xf86DrvMsg(scrnIndex, X_WARNING, "Option \"%s\" is not used\n", + opt->opt_name); + } + opt = opt->list.next; + } +} + + +static Bool +GetBoolValue(OptionInfoPtr p, const char *s) +{ + if (*s == '\0') { + p->value.bool = TRUE; + } else { + if (xf86NameCmp(s, "1") == 0) + p->value.bool = TRUE; + else if (xf86NameCmp(s, "on") == 0) + p->value.bool = TRUE; + else if (xf86NameCmp(s, "true") == 0) + p->value.bool = TRUE; + else if (xf86NameCmp(s, "yes") == 0) + p->value.bool = TRUE; + else if (xf86NameCmp(s, "0") == 0) + p->value.bool = FALSE; + else if (xf86NameCmp(s, "off") == 0) + p->value.bool = FALSE; + else if (xf86NameCmp(s, "false") == 0) + p->value.bool = FALSE; + else if (xf86NameCmp(s, "no") == 0) + p->value.bool = FALSE; + else + return FALSE; + } + return TRUE; +} + +static Bool +ParseOptionValue(int scrnIndex, pointer options, OptionInfoPtr p) +{ + char *s, *end; + Bool wasUsed; + + if ((s = xf86findOptionValue(options, p->name)) != NULL) { + wasUsed = xf86CheckIfOptionUsedByName(options, p->name); + xf86MarkOptionUsedByName(options, p->name); + switch (p->type) { + case OPTV_INTEGER: + if (*s == '\0') { + xf86DrvMsg(scrnIndex, X_WARNING, + "Option \"%s\" requires an integer value\n", + p->name); + p->found = FALSE; + } else { + p->value.num = strtoul(s, &end, 0); + if (*end == '\0') { + p->found = TRUE; + } else { + xf86DrvMsg(scrnIndex, X_WARNING, + "Option \"%s\" requires an integer value\n", + p->name); + p->found = FALSE; + } + } + break; + case OPTV_STRING: + if (*s == '\0') { + xf86DrvMsg(scrnIndex, X_WARNING, + "Option \"%s\" requires an string value\n", + p->name); + p->found = FALSE; + } else { + p->value.str = s; + p->found = TRUE; + } + break; + case OPTV_ANYSTR: + p->value.str = s; + p->found = TRUE; + break; + case OPTV_REAL: + if (*s == '\0') { + xf86DrvMsg(scrnIndex, X_WARNING, + "Option \"%s\" requires a floating point value\n", + p->name); + p->found = FALSE; + } else { + p->value.realnum = strtod(s, &end); + if (*end == '\0') { + p->found = TRUE; + } else { + xf86DrvMsg(scrnIndex, X_WARNING, + "Option \"%s\" requires a floating point value\n", + p->name); + p->found = FALSE; + } + } + break; + case OPTV_BOOLEAN: + if (GetBoolValue(p, s)) { + p->found = TRUE; + } else { + xf86DrvMsg(scrnIndex, X_WARNING, + "Option \"%s\" requires a boolean value\n", p->name); + p->found = FALSE; + } + break; + case OPTV_FREQ: + if (*s == '\0') { + xf86DrvMsg(scrnIndex, X_WARNING, + "Option \"%s\" requires a frequency value\n", + p->name); + p->found = FALSE; + } else { + double freq = strtod(s, &end); + int units = 0; + + if (end != s) { + p->found = TRUE; + if (!xf86NameCmp(end, "Hz")) + units = 1; + else if (!xf86NameCmp(end, "kHz") || + !xf86NameCmp(end, "k")) + units = 1000; + else if (!xf86NameCmp(end, "MHz") || + !xf86NameCmp(end, "M")) + units = 1000000; + else { + xf86DrvMsg(scrnIndex, X_WARNING, + "Option \"%s\" requires a frequency value\n", + p->name); + p->found = FALSE; + } + if (p->found) + freq *= (double)units; + } else { + xf86DrvMsg(scrnIndex, X_WARNING, + "Option \"%s\" requires a frequency value\n", + p->name); + p->found = FALSE; + } + if (p->found) { + p->value.freq.freq = freq; + p->value.freq.units = units; + } + } + break; + case OPTV_NONE: + /* Should never get here */ + p->found = FALSE; + break; + } + if (p->found) { + int verb = 2; + if (wasUsed) + verb = 4; + xf86DrvMsgVerb(scrnIndex, X_CONFIG, verb, "Option \"%s\"", p->name); + if (!(p->type == OPTV_BOOLEAN && *s == 0)) { + xf86ErrorFVerb(verb, " \"%s\"", s); + } + xf86ErrorFVerb(verb, "\n"); + } + } else if (p->type == OPTV_BOOLEAN) { + /* Look for matches with options with or without a "No" prefix. */ + char *n, *newn; + OptionInfoRec opt; + + n = xf86NormalizeName(p->name); + if (!n) { + p->found = FALSE; + return FALSE; + } + if (strncmp(n, "no", 2) == 0) { + newn = n + 2; + } else { + xfree(n); + n = xalloc(strlen(p->name) + 2 + 1); + if (!n) { + p->found = FALSE; + return FALSE; + } + strcpy(n, "No"); + strcat(n, p->name); + newn = n; + } + if ((s = xf86findOptionValue(options, newn)) != NULL) { + xf86MarkOptionUsedByName(options, newn); + if (GetBoolValue(&opt, s)) { + p->value.bool = !opt.value.bool; + p->found = TRUE; + } else { + xf86DrvMsg(scrnIndex, X_WARNING, + "Option \"%s\" requires a boolean value\n", newn); + p->found = FALSE; + } + } else { + p->found = FALSE; + } + if (p->found) { + xf86DrvMsgVerb(scrnIndex, X_CONFIG, 2, "Option \"%s\"", newn); + if (*s != 0) { + xf86ErrorFVerb(2, " \"%s\"", s); + } + xf86ErrorFVerb(2, "\n"); + } + xfree(n); + } else { + p->found = FALSE; + } + return p->found; +} + + +void +xf86ProcessOptions(int scrnIndex, pointer options, OptionInfoPtr optinfo) +{ + OptionInfoPtr p; + + for (p = optinfo; p->name != NULL; p++) { + ParseOptionValue(scrnIndex, options, p); + } +} + + +OptionInfoPtr +xf86TokenToOptinfo(const OptionInfoRec *table, int token) +{ + const OptionInfoRec *p; + + if (!table) { + ErrorF("xf86TokenToOptinfo: table is NULL\n"); + return NULL; + } + + for (p = table; p->token >= 0 && p->token != token; p++) + ; + + if (p->token < 0) + return NULL; + else + return (OptionInfoPtr)p; +} + + +const char * +xf86TokenToOptName(const OptionInfoRec *table, int token) +{ + const OptionInfoRec *p; + + p = xf86TokenToOptinfo(table, token); + return p->name; +} + + +Bool +xf86IsOptionSet(const OptionInfoRec *table, int token) +{ + OptionInfoPtr p; + + p = xf86TokenToOptinfo(table, token); + return (p && p->found); +} + + +char * +xf86GetOptValString(const OptionInfoRec *table, int token) +{ + OptionInfoPtr p; + + p = xf86TokenToOptinfo(table, token); + if (p && p->found) + return p->value.str; + else + return NULL; +} + + +Bool +xf86GetOptValInteger(const OptionInfoRec *table, int token, int *value) +{ + OptionInfoPtr p; + + p = xf86TokenToOptinfo(table, token); + if (p && p->found) { + *value = p->value.num; + return TRUE; + } else + return FALSE; +} + + +Bool +xf86GetOptValULong(const OptionInfoRec *table, int token, unsigned long *value) +{ + OptionInfoPtr p; + + p = xf86TokenToOptinfo(table, token); + if (p && p->found) { + *value = p->value.num; + return TRUE; + } else + return FALSE; +} + + +Bool +xf86GetOptValReal(const OptionInfoRec *table, int token, double *value) +{ + OptionInfoPtr p; + + p = xf86TokenToOptinfo(table, token); + if (p && p->found) { + *value = p->value.realnum; + return TRUE; + } else + return FALSE; +} + + +Bool +xf86GetOptValFreq(const OptionInfoRec *table, int token, + OptFreqUnits expectedUnits, double *value) +{ + OptionInfoPtr p; + + p = xf86TokenToOptinfo(table, token); + if (p && p->found) { + if (p->value.freq.units > 0) { + /* Units give, so the scaling is known. */ + switch (expectedUnits) { + case OPTUNITS_HZ: + *value = p->value.freq.freq; + break; + case OPTUNITS_KHZ: + *value = p->value.freq.freq / 1000.0; + break; + case OPTUNITS_MHZ: + *value = p->value.freq.freq / 1000000.0; + break; + } + } else { + /* No units given, so try to guess the scaling. */ + switch (expectedUnits) { + case OPTUNITS_HZ: + *value = p->value.freq.freq; + break; + case OPTUNITS_KHZ: + if (p->value.freq.freq > 1000.0) + *value = p->value.freq.freq / 1000.0; + else + *value = p->value.freq.freq; + break; + case OPTUNITS_MHZ: + if (p->value.freq.freq > 1000000.0) + *value = p->value.freq.freq / 1000000.0; + else if (p->value.freq.freq > 1000.0) + *value = p->value.freq.freq / 1000.0; + else + *value = p->value.freq.freq; + } + } + return TRUE; + } else + return FALSE; +} + + +Bool +xf86GetOptValBool(const OptionInfoRec *table, int token, Bool *value) +{ + OptionInfoPtr p; + + p = xf86TokenToOptinfo(table, token); + if (p && p->found) { + *value = p->value.bool; + return TRUE; + } else + return FALSE; +} + + +Bool +xf86ReturnOptValBool(const OptionInfoRec *table, int token, Bool def) +{ + OptionInfoPtr p; + + p = xf86TokenToOptinfo(table, token); + if (p && p->found) { + return p->value.bool; + } else + return def; +} + + +int +xf86NameCmp(const char *s1, const char *s2) +{ + return xf86nameCompare(s1, s2); +} + +char * +xf86NormalizeName(const char *s) +{ + char *ret, *q; + const char *p; + + if (s == NULL) + return NULL; + + ret = xalloc(strlen(s) + 1); + for (p = s, q = ret; *p != 0; p++) { + switch (*p) { + case '_': + case ' ': + case '\t': + continue; + default: + if (isupper(*p)) + *q++ = tolower(*p); + else + *q++ = *p; + } + } + *q = '\0'; + return ret; +} |