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Diffstat (limited to 'src/TMparse.c')
| -rw-r--r-- | src/TMparse.c | 2128 |
1 files changed, 2128 insertions, 0 deletions
diff --git a/src/TMparse.c b/src/TMparse.c new file mode 100644 index 0000000..3ec7de6 --- /dev/null +++ b/src/TMparse.c @@ -0,0 +1,2128 @@ +/* $Xorg: TMparse.c,v 1.6 2001/02/09 02:03:58 xorgcvs Exp $ */ + +/*********************************************************** +Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts, +Copyright 1993 by Sun Microsystems, Inc. Mountain View, CA. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the names of Digital or Sun not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- +NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI- +ABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR +PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH +THE USE OR PERFORMANCE OF THIS SOFTWARE. + +******************************************************************/ + +/* + +Copyright 1987, 1988, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 +OPEN GROUP 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. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ + +#include "IntrinsicI.h" +#include "StringDefs.h" +#include <ctype.h> +#ifndef NOTASCII +#define XK_LATIN1 +#endif +#define XK_MISCELLANY +#include <X11/keysymdef.h> + +#ifdef CACHE_TRANSLATIONS +# ifdef REFCNT_TRANSLATIONS +# define CACHED XtCacheAll | XtCacheRefCount +# else +# define CACHED XtCacheAll +# endif +#else +# define CACHED XtCacheNone +#endif + +#ifndef MAX +#define MAX(a,b) (((a) > (b)) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a,b) (((a) < (b)) ? (a) : (b)) +#endif + +static String XtNtranslationParseError = "translationParseError"; + +typedef int EventType; + +typedef String (*ParseProc)(); /* str, closure, event ,error */ + /* String str; */ + /* Opaque closure; */ + /* EventPtr event; */ + /* Boolean* error */ + +typedef void (*ModifierProc)(); +typedef TMShortCard Value; + +typedef struct _ModifierRec { + char* name; + XrmQuark signature; + ModifierProc modifierParseProc; + Value value; +} ModifierRec, *ModifierKeys; + +typedef struct _EventKey { + char *event; + XrmQuark signature; + EventType eventType; + ParseProc parseDetail; + Opaque closure; +}EventKey, *EventKeys; + +typedef struct { + char *name; + XrmQuark signature; + Value value; +} NameValueRec, *NameValueTable; + +static void ParseModImmed(); +static void ParseModSym(); +static String PanicModeRecovery(); +static String CheckForPoundSign(); +static KeySym StringToKeySym(); +static ModifierRec modifiers[] = { + {"Shift", 0, ParseModImmed,ShiftMask}, + {"Lock", 0, ParseModImmed,LockMask}, + {"Ctrl", 0, ParseModImmed,ControlMask}, + {"Mod1", 0, ParseModImmed,Mod1Mask}, + {"Mod2", 0, ParseModImmed,Mod2Mask}, + {"Mod3", 0, ParseModImmed,Mod3Mask}, + {"Mod4", 0, ParseModImmed,Mod4Mask}, + {"Mod5", 0, ParseModImmed,Mod5Mask}, + {"Meta", 0, ParseModSym, XK_Meta_L}, + {"m", 0, ParseModSym, XK_Meta_L}, + {"h", 0, ParseModSym, XK_Hyper_L}, + {"su", 0, ParseModSym, XK_Super_L}, + {"a", 0, ParseModSym, XK_Alt_L}, + {"Hyper", 0, ParseModSym, XK_Hyper_L}, + {"Super", 0, ParseModSym, XK_Super_L}, + {"Alt", 0, ParseModSym, XK_Alt_L}, + {"Button1", 0, ParseModImmed,Button1Mask}, + {"Button2", 0, ParseModImmed,Button2Mask}, + {"Button3", 0, ParseModImmed,Button3Mask}, + {"Button4", 0, ParseModImmed,Button4Mask}, + {"Button5", 0, ParseModImmed,Button5Mask}, + {"c", 0, ParseModImmed,ControlMask}, + {"s", 0, ParseModImmed,ShiftMask}, + {"l", 0, ParseModImmed,LockMask}, +}; + +static NameValueRec buttonNames[] = { + {"Button1", 0, Button1}, + {"Button2", 0, Button2}, + {"Button3", 0, Button3}, + {"Button4", 0, Button4}, + {"Button5", 0, Button5}, + {NULL, NULLQUARK, 0}, +}; + +static NameValueRec motionDetails[] = { + {"Normal", 0, NotifyNormal}, + {"Hint", 0, NotifyHint}, + {NULL, NULLQUARK, 0}, +}; + +static NameValueRec notifyModes[] = { + {"Normal", 0, NotifyNormal}, + {"Grab", 0, NotifyGrab}, + {"Ungrab", 0, NotifyUngrab}, + {"WhileGrabbed", 0, NotifyWhileGrabbed}, + {NULL, NULLQUARK, 0}, +}; + +#if 0 +static NameValueRec notifyDetail[] = { + {"Ancestor", 0, NotifyAncestor}, + {"Virtual", 0, NotifyVirtual}, + {"Inferior", 0, NotifyInferior}, + {"Nonlinear", 0, NotifyNonlinear}, + {"NonlinearVirtual", 0, NotifyNonlinearVirtual}, + {"Pointer", 0, NotifyPointer}, + {"PointerRoot", 0, NotifyPointerRoot}, + {"DetailNone", 0, NotifyDetailNone}, + {NULL, NULLQUARK, 0}, +}; + +static NameValueRec visibilityNotify[] = { + {"Unobscured", 0, VisibilityUnobscured}, + {"PartiallyObscured", 0, VisibilityPartiallyObscured}, + {"FullyObscured", 0, VisibilityFullyObscured}, + {NULL, NULLQUARK, 0}, +}; + +static NameValueRec circulation[] = { + {"OnTop", 0, PlaceOnTop}, + {"OnBottom", 0, PlaceOnBottom}, + {NULL, NULLQUARK, 0}, +}; + +static NameValueRec propertyChanged[] = { + {"NewValue", 0, PropertyNewValue}, + {"Delete", 0, PropertyDelete}, + {NULL, NULLQUARK, 0}, +}; +#endif /*0*/ + +static NameValueRec mappingNotify[] = { + {"Modifier", 0, MappingModifier}, + {"Keyboard", 0, MappingKeyboard}, + {"Pointer", 0, MappingPointer}, + {NULL, NULLQUARK, 0}, +}; + +static String ParseKeySym(); +static String ParseKeyAndModifiers(); +static String ParseTable(); +static String ParseImmed(); +static String ParseAddModifier(); +static String ParseNone(); +static String ParseAtom(); + +static EventKey events[] = { + +/* Event Name, Quark, Event Type, Detail Parser, Closure */ + +{"KeyPress", NULLQUARK, KeyPress, ParseKeySym, NULL}, +{"Key", NULLQUARK, KeyPress, ParseKeySym, NULL}, +{"KeyDown", NULLQUARK, KeyPress, ParseKeySym, NULL}, +{"Ctrl", NULLQUARK, KeyPress, ParseKeyAndModifiers,(Opaque)ControlMask}, +{"Shift", NULLQUARK, KeyPress, ParseKeyAndModifiers,(Opaque)ShiftMask}, +{"Meta", NULLQUARK, KeyPress, ParseKeyAndModifiers,(Opaque)NULL}, +{"KeyUp", NULLQUARK, KeyRelease, ParseKeySym, NULL}, +{"KeyRelease", NULLQUARK, KeyRelease, ParseKeySym, NULL}, + +{"ButtonPress", NULLQUARK, ButtonPress, ParseTable,(Opaque)buttonNames}, +{"BtnDown", NULLQUARK, ButtonPress, ParseTable,(Opaque)buttonNames}, +{"Btn1Down", NULLQUARK, ButtonPress, ParseImmed,(Opaque)Button1}, +{"Btn2Down", NULLQUARK, ButtonPress, ParseImmed,(Opaque)Button2}, +{"Btn3Down", NULLQUARK, ButtonPress, ParseImmed,(Opaque)Button3}, +{"Btn4Down", NULLQUARK, ButtonPress, ParseImmed,(Opaque)Button4}, +{"Btn5Down", NULLQUARK, ButtonPress, ParseImmed,(Opaque)Button5}, + +/* Event Name, Quark, Event Type, Detail Parser, Closure */ + +{"ButtonRelease", NULLQUARK, ButtonRelease, ParseTable,(Opaque)buttonNames}, +{"BtnUp", NULLQUARK, ButtonRelease, ParseTable,(Opaque)buttonNames}, +{"Btn1Up", NULLQUARK, ButtonRelease, ParseImmed,(Opaque)Button1}, +{"Btn2Up", NULLQUARK, ButtonRelease, ParseImmed,(Opaque)Button2}, +{"Btn3Up", NULLQUARK, ButtonRelease, ParseImmed,(Opaque)Button3}, +{"Btn4Up", NULLQUARK, ButtonRelease, ParseImmed,(Opaque)Button4}, +{"Btn5Up", NULLQUARK, ButtonRelease, ParseImmed,(Opaque)Button5}, + +{"MotionNotify", NULLQUARK, MotionNotify, ParseTable, (Opaque)motionDetails}, +{"PtrMoved", NULLQUARK, MotionNotify, ParseTable, (Opaque)motionDetails}, +{"Motion", NULLQUARK, MotionNotify, ParseTable, (Opaque)motionDetails}, +{"MouseMoved", NULLQUARK, MotionNotify, ParseTable, (Opaque)motionDetails}, +{"BtnMotion", NULLQUARK, MotionNotify, ParseAddModifier, (Opaque)AnyButtonMask}, +{"Btn1Motion", NULLQUARK, MotionNotify, ParseAddModifier, (Opaque)Button1Mask}, +{"Btn2Motion", NULLQUARK, MotionNotify, ParseAddModifier, (Opaque)Button2Mask}, +{"Btn3Motion", NULLQUARK, MotionNotify, ParseAddModifier, (Opaque)Button3Mask}, +{"Btn4Motion", NULLQUARK, MotionNotify, ParseAddModifier, (Opaque)Button4Mask}, +{"Btn5Motion", NULLQUARK, MotionNotify, ParseAddModifier, (Opaque)Button5Mask}, + +{"EnterNotify", NULLQUARK, EnterNotify, ParseTable,(Opaque)notifyModes}, +{"Enter", NULLQUARK, EnterNotify, ParseTable,(Opaque)notifyModes}, +{"EnterWindow", NULLQUARK, EnterNotify, ParseTable,(Opaque)notifyModes}, + +{"LeaveNotify", NULLQUARK, LeaveNotify, ParseTable,(Opaque)notifyModes}, +{"LeaveWindow", NULLQUARK, LeaveNotify, ParseTable,(Opaque)notifyModes}, +{"Leave", NULLQUARK, LeaveNotify, ParseTable,(Opaque)notifyModes}, + +/* Event Name, Quark, Event Type, Detail Parser, Closure */ + +{"FocusIn", NULLQUARK, FocusIn, ParseTable,(Opaque)notifyModes}, + +{"FocusOut", NULLQUARK, FocusOut, ParseTable,(Opaque)notifyModes}, + +{"KeymapNotify", NULLQUARK, KeymapNotify, ParseNone, NULL}, +{"Keymap", NULLQUARK, KeymapNotify, ParseNone, NULL}, + +{"Expose", NULLQUARK, Expose, ParseNone, NULL}, + +{"GraphicsExpose", NULLQUARK, GraphicsExpose, ParseNone, NULL}, +{"GrExp", NULLQUARK, GraphicsExpose, ParseNone, NULL}, + +{"NoExpose", NULLQUARK, NoExpose, ParseNone, NULL}, +{"NoExp", NULLQUARK, NoExpose, ParseNone, NULL}, + +{"VisibilityNotify",NULLQUARK, VisibilityNotify,ParseNone, NULL}, +{"Visible", NULLQUARK, VisibilityNotify,ParseNone, NULL}, + +{"CreateNotify", NULLQUARK, CreateNotify, ParseNone, NULL}, +{"Create", NULLQUARK, CreateNotify, ParseNone, NULL}, + +/* Event Name, Quark, Event Type, Detail Parser, Closure */ + +{"DestroyNotify", NULLQUARK, DestroyNotify, ParseNone, NULL}, +{"Destroy", NULLQUARK, DestroyNotify, ParseNone, NULL}, + +{"UnmapNotify", NULLQUARK, UnmapNotify, ParseNone, NULL}, +{"Unmap", NULLQUARK, UnmapNotify, ParseNone, NULL}, + +{"MapNotify", NULLQUARK, MapNotify, ParseNone, NULL}, +{"Map", NULLQUARK, MapNotify, ParseNone, NULL}, + +{"MapRequest", NULLQUARK, MapRequest, ParseNone, NULL}, +{"MapReq", NULLQUARK, MapRequest, ParseNone, NULL}, + +{"ReparentNotify", NULLQUARK, ReparentNotify, ParseNone, NULL}, +{"Reparent", NULLQUARK, ReparentNotify, ParseNone, NULL}, + +{"ConfigureNotify", NULLQUARK, ConfigureNotify, ParseNone, NULL}, +{"Configure", NULLQUARK, ConfigureNotify, ParseNone, NULL}, + +{"ConfigureRequest",NULLQUARK, ConfigureRequest,ParseNone, NULL}, +{"ConfigureReq", NULLQUARK, ConfigureRequest,ParseNone, NULL}, + +/* Event Name, Quark, Event Type, Detail Parser, Closure */ + +{"GravityNotify", NULLQUARK, GravityNotify, ParseNone, NULL}, +{"Grav", NULLQUARK, GravityNotify, ParseNone, NULL}, + +{"ResizeRequest", NULLQUARK, ResizeRequest, ParseNone, NULL}, +{"ResReq", NULLQUARK, ResizeRequest, ParseNone, NULL}, + +{"CirculateNotify", NULLQUARK, CirculateNotify, ParseNone, NULL}, +{"Circ", NULLQUARK, CirculateNotify, ParseNone, NULL}, + +{"CirculateRequest",NULLQUARK, CirculateRequest,ParseNone, NULL}, +{"CircReq", NULLQUARK, CirculateRequest,ParseNone, NULL}, + +{"PropertyNotify", NULLQUARK, PropertyNotify, ParseAtom, NULL}, +{"Prop", NULLQUARK, PropertyNotify, ParseAtom, NULL}, + +{"SelectionClear", NULLQUARK, SelectionClear, ParseAtom, NULL}, +{"SelClr", NULLQUARK, SelectionClear, ParseAtom, NULL}, + +{"SelectionRequest",NULLQUARK, SelectionRequest,ParseAtom, NULL}, +{"SelReq", NULLQUARK, SelectionRequest,ParseAtom, NULL}, + +/* Event Name, Quark, Event Type, Detail Parser, Closure */ + +{"SelectionNotify", NULLQUARK, SelectionNotify, ParseAtom, NULL}, +{"Select", NULLQUARK, SelectionNotify, ParseAtom, NULL}, + +{"ColormapNotify", NULLQUARK, ColormapNotify, ParseNone, NULL}, +{"Clrmap", NULLQUARK, ColormapNotify, ParseNone, NULL}, + +{"ClientMessage", NULLQUARK, ClientMessage, ParseAtom, NULL}, +{"Message", NULLQUARK, ClientMessage, ParseAtom, NULL}, + +{"MappingNotify", NULLQUARK, MappingNotify, ParseTable, (Opaque)mappingNotify}, +{"Mapping", NULLQUARK, MappingNotify, ParseTable, (Opaque)mappingNotify}, + +#ifdef DEBUG +# ifdef notdef +{"Timer", NULLQUARK, _XtTimerEventType,ParseNone, NULL}, +# endif /* notdef */ +{"EventTimer", NULLQUARK, _XtEventTimerEventType,ParseNone,NULL}, +#endif /* DEBUG */ + +/* Event Name, Quark, Event Type, Detail Parser, Closure */ + +}; + + +#define ScanFor(str, ch) \ + while ((*(str) != (ch)) && (*(str) != '\0') && (*(str) != '\n')) (str)++ + +#define ScanNumeric(str) while ('0' <= *(str) && *(str) <= '9') (str)++ + +#define ScanAlphanumeric(str) \ + while (('A' <= *(str) && *(str) <= 'Z') || \ + ('a' <= *(str) && *(str) <= 'z') || \ + ('0' <= *(str) && *(str) <= '9')) (str)++ + +#define ScanWhitespace(str) \ + while (*(str) == ' ' || *(str) == '\t') (str)++ + + +static Boolean initialized = FALSE; +static XrmQuark QMeta; +static XrmQuark QCtrl; +static XrmQuark QNone; +static XrmQuark QAny; + +static void FreeEventSeq(eventSeq) + EventSeqPtr eventSeq; +{ + register EventSeqPtr evs = eventSeq; + + while (evs != NULL) { + evs->state = (StatePtr) evs; + if (evs->next != NULL + && evs->next->state == (StatePtr) evs->next) + evs->next = NULL; + evs = evs->next; + } + + evs = eventSeq; + while (evs != NULL) { + register EventPtr event = evs; + evs = evs->next; + if (evs == event) evs = NULL; + XtFree((char *)event); + } +} + +static void CompileNameValueTable(table) + NameValueTable table; +{ + register int i; + + for (i=0; table[i].name; i++) + table[i].signature = XrmPermStringToQuark(table[i].name); +} + +static int OrderEvents(a, b) + EventKey *a, *b; +{ + return ((a->signature < b->signature) ? -1 : 1); +} + +static void Compile_XtEventTable(table, count) + EventKeys table; + Cardinal count; +{ + register int i; + register EventKeys entry = table; + + for (i=count; --i >= 0; entry++) + entry->signature = XrmPermStringToQuark(entry->event); + qsort(table, count, sizeof(EventKey), OrderEvents); +} + +static int OrderModifiers(a, b) + ModifierRec *a, *b; +{ + return ((a->signature < b->signature) ? -1 : 1); +} + +static void Compile_XtModifierTable(table, count) + ModifierKeys table; + Cardinal count; +{ + register int i; + register ModifierKeys entry = table; + + for (i=count; --i >= 0; entry++) + entry->signature = XrmPermStringToQuark(entry->name); + qsort(table, count, sizeof(ModifierRec), OrderModifiers); +} + +static String PanicModeRecovery(str) + String str; +{ + ScanFor(str,'\n'); + if (*str == '\n') str++; + return str; + +} + + +static void Syntax(str0,str1) + String str0,str1; +{ + Cardinal num_params = 2; + String params[2]; + + params[0] = str0; + params[1] = str1; + XtWarningMsg(XtNtranslationParseError,"parseError",XtCXtToolkitError, + "translation table syntax error: %s %s",params,&num_params); +} + + + +static Cardinal LookupTMEventType(eventStr,error) + String eventStr; + Boolean *error; +{ + register int i, left, right; + register XrmQuark signature; + static int previous = 0; + + LOCK_PROCESS; + if ((signature = StringToQuark(eventStr)) == events[previous].signature) { + UNLOCK_PROCESS; + return (Cardinal) previous; + } + + left = 0; + right = XtNumber(events) - 1; + while (left <= right) { + i = (left + right) >> 1; + if (signature < events[i].signature) + right = i - 1; + else if (signature > events[i].signature) + left = i + 1; + else { + previous = i; + UNLOCK_PROCESS; + return (Cardinal) i; + } + } + + Syntax("Unknown event type : ",eventStr); + *error = TRUE; + UNLOCK_PROCESS; + return (Cardinal) i; +} + +static void StoreLateBindings(keysymL,notL,keysymR,notR,lateBindings) + + KeySym keysymL; + Boolean notL; + KeySym keysymR; + Boolean notR; + LateBindingsPtr* lateBindings; +{ + LateBindingsPtr temp; + Boolean pair = FALSE; + unsigned long count,number; + if (lateBindings != NULL){ + temp = *lateBindings; + if (temp != NULL) { + for (count = 0; temp[count].keysym; count++){/*EMPTY*/} + } + else count = 0; + if (! keysymR){ + number = 1;pair = FALSE; + } else{ + number = 2;pair = TRUE; + } + + temp = (LateBindingsPtr)XtRealloc((char *)temp, + (unsigned)((count+number+1) * sizeof(LateBindings)) ); + *lateBindings = temp; + temp[count].knot = notL; + temp[count].pair = pair; + if (count == 0) + temp[count].ref_count = 1; + temp[count++].keysym = keysymL; + if (keysymR){ + temp[count].knot = notR; + temp[count].pair = FALSE; + temp[count].ref_count = 0; + temp[count++].keysym = keysymR; + } + temp[count].knot = temp[count].pair = FALSE; + temp[count].ref_count = 0; + temp[count].keysym = 0; + } +} + +static void _XtParseKeysymMod(name,lateBindings,notFlag,valueP,error) + String name; + LateBindingsPtr* lateBindings; + Boolean notFlag; + Value *valueP; + Boolean *error; +{ + KeySym keySym; + keySym = StringToKeySym(name, error); + *valueP = 0; + if (keySym != NoSymbol) { + StoreLateBindings(keySym,notFlag,(KeySym) NULL,FALSE,lateBindings); + } +} + +static Boolean _XtLookupModifier(signature, lateBindings, notFlag, valueP, + constMask) + XrmQuark signature; + LateBindingsPtr* lateBindings; + Boolean notFlag; + Value *valueP; + Bool constMask; +{ + register int i, left, right; + static int previous = 0; + + LOCK_PROCESS; + if (signature == modifiers[previous].signature) { + if (constMask) *valueP = modifiers[previous].value; + else /* if (modifiers[previous].modifierParseProc) always true */ + (*modifiers[previous].modifierParseProc) + (modifiers[previous].value, lateBindings, notFlag, valueP); + UNLOCK_PROCESS; + return TRUE; + } + + left = 0; + right = XtNumber(modifiers) - 1; + while (left <= right) { + i = (left + right) >> 1; + if (signature < modifiers[i].signature) + right = i - 1; + else if (signature > modifiers[i].signature) + left = i + 1; + else { + previous = i; + if (constMask) *valueP = modifiers[i].value; + else /* if (modifiers[i].modifierParseProc) always true */ + (*modifiers[i].modifierParseProc) + (modifiers[i].value, lateBindings, notFlag, valueP); + UNLOCK_PROCESS; + return TRUE; + } + } + UNLOCK_PROCESS; + return FALSE; +} + + +static String ScanIdent(str) + register String str; +{ + ScanAlphanumeric(str); + while ( + ('A' <= *str && *str <= 'Z') + || ('a' <= *str && *str <= 'z') + || ('0' <= *str && *str <= '9') + || (*str == '-') + || (*str == '_') + || (*str == '$') + ) str++; + return str; +} + +static String FetchModifierToken(str, token_return) + String str; + XrmQuark *token_return; +{ + String start = str; + + if (*str == '$') { + *token_return = QMeta; + str++; + return str; + } + if (*str == '^') { + *token_return = QCtrl; + str++; + return str; + } + str = ScanIdent(str); + if (start != str) { + char modStrbuf[100]; + char* modStr; + + modStr = XtStackAlloc (str - start + 1, modStrbuf); + if (modStr == NULL) _XtAllocError (NULL); + (void) memmove(modStr, start, str-start); + modStr[str-start] = '\0'; + *token_return = XrmStringToQuark(modStr); + XtStackFree (modStr, modStrbuf); + return str; + } + return str; +} + +static String ParseModifiers(str, event,error) + register String str; + EventPtr event; + Boolean* error; +{ + register String start; + Boolean notFlag, exclusive, keysymAsMod; + Value maskBit; + XrmQuark Qmod; + + ScanWhitespace(str); + start = str; + str = FetchModifierToken(str, &Qmod); + exclusive = FALSE; + if (start != str) { + if (Qmod == QNone) { + event->event.modifierMask = ~0; + event->event.modifiers = 0; + ScanWhitespace(str); + return str; + } else if (Qmod == QAny) { /*backward compatability*/ + event->event.modifierMask = 0; + event->event.modifiers = AnyModifier; + ScanWhitespace(str); + return str; + } + str = start; /*if plain modifier, reset to beginning */ + } + else while (*str == '!' || *str == ':') { + if (*str == '!') { + exclusive = TRUE; + str++; + ScanWhitespace(str); + } + if (*str == ':') { + event->event.standard = TRUE; + str++; + ScanWhitespace(str); + } + } + + while (*str != '<') { + if (*str == '~') { + notFlag = TRUE; + str++; + } else + notFlag = FALSE; + if (*str == '@') { + keysymAsMod = TRUE; + str++; + } + else keysymAsMod = FALSE; + start = str; + str = FetchModifierToken(str, &Qmod); + if (start == str) { + Syntax("Modifier or '<' expected",""); + *error = TRUE; + return PanicModeRecovery(str); + } + if (keysymAsMod) { + _XtParseKeysymMod(XrmQuarkToString(Qmod), + &event->event.lateModifiers, + notFlag,&maskBit, error); + if (*error) + return PanicModeRecovery(str); + + } else + if (!_XtLookupModifier(Qmod, &event->event.lateModifiers, + notFlag, &maskBit, FALSE)) { + Syntax("Unknown modifier name: ", XrmQuarkToString(Qmod)); + *error = TRUE; + return PanicModeRecovery(str); + } + event->event.modifierMask |= maskBit; + if (notFlag) event->event.modifiers &= ~maskBit; + else event->event.modifiers |= maskBit; + ScanWhitespace(str); + } + if (exclusive) event->event.modifierMask = ~0; + return str; +} + +static String ParseXtEventType(str, event, tmEventP,error) + register String str; + EventPtr event; + Cardinal *tmEventP; + Boolean* error; +{ + String start = str; + char eventTypeStrbuf[100]; + char* eventTypeStr; + + ScanAlphanumeric(str); + eventTypeStr = XtStackAlloc (str - start + 1, eventTypeStrbuf); + if (eventTypeStr == NULL) _XtAllocError (NULL); + (void) memmove(eventTypeStr, start, str-start); + eventTypeStr[str-start] = '\0'; + *tmEventP = LookupTMEventType(eventTypeStr,error); + XtStackFree (eventTypeStr, eventTypeStrbuf); + if (*error) + return PanicModeRecovery(str); + event->event.eventType = events[*tmEventP].eventType; + return str; +} + +static unsigned long StrToHex(str) + String str; +{ + register char c; + register unsigned long val = 0; + + while ((c = *str)) { + if ('0' <= c && c <= '9') val = val*16+c-'0'; + else if ('a' <= c && c <= 'z') val = val*16+c-'a'+10; + else if ('A' <= c && c <= 'Z') val = val*16+c-'A'+10; + else return 0; + str++; + } + + return val; +} + +static unsigned long StrToOct(str) + String str; +{ + register char c; + register unsigned long val = 0; + + while ((c = *str)) { + if ('0' <= c && c <= '7') val = val*8+c-'0'; else return 0; + str++; + } + + return val; +} + +static unsigned long StrToNum(str) + String str; +{ + register char c; + register unsigned long val = 0; + + if (*str == '0') { + str++; + if (*str == 'x' || *str == 'X') return StrToHex(++str); + else return StrToOct(str); + } + + while ((c = *str)) { + if ('0' <= c && c <= '9') val = val*10+c-'0'; + else return 0; + str++; + } + + return val; +} + +static KeySym StringToKeySym(str, error) + String str; + Boolean *error; +{ + KeySym k; + + if (str == NULL || *str == '\0') return (KeySym) 0; + +#ifndef NOTASCII + /* special case single character ASCII, for speed */ + if (*(str+1) == '\0') { + if (' ' <= *str && *str <= '~') return XK_space + (*str - ' '); + } +#endif + + if ('0' <= *str && *str <= '9') return (KeySym) StrToNum(str); + k = XStringToKeysym(str); + if (k != NoSymbol) return k; + +#ifdef NOTASCII + /* fall-back case to preserve backwards compatibility; no-one + * should be relying upon this! + */ + if (*(str+1) == '\0') return (KeySym) *str; +#endif + + Syntax("Unknown keysym name: ", str); + *error = TRUE; + return NoSymbol; +} +/* ARGSUSED */ +static void ParseModImmed(value, lateBindings, notFlag, valueP) + Value value; + LateBindingsPtr* lateBindings; + Boolean notFlag; + Value* valueP; +{ + *valueP = value; +} + +static void ParseModSym(value, lateBindings, notFlag, valueP) + /* is only valid with keysyms that have an _L and _R in their name; + * and ignores keysym lookup errors (i.e. assumes only valid keysyms) + */ + Value value; + LateBindingsPtr* lateBindings; + Boolean notFlag; + Value* valueP; +{ + register KeySym keysymL = (KeySym)value; + register KeySym keysymR = keysymL + 1; /* valid for supported keysyms */ + StoreLateBindings(keysymL,notFlag,keysymR,notFlag,lateBindings); + *valueP = 0; +} + +#ifdef sparc +/* + * The stupid optimizer in SunOS 4.0.3 and below generates bogus code that + * causes the value of the most recently used variable to be returned instead + * of the value passed in. + */ +static String stupid_optimizer_kludge; +#define BROKEN_OPTIMIZER_HACK(val) stupid_optimizer_kludge = (val) +#else +#define BROKEN_OPTIMIZER_HACK(val) val +#endif + +/* ARGSUSED */ +static String ParseImmed(str, closure, event,error) + register String str; + register Opaque closure; + register EventPtr event; + Boolean* error; +{ + event->event.eventCode = (unsigned long)closure; + event->event.eventCodeMask = (unsigned long)~0L; + + return BROKEN_OPTIMIZER_HACK(str); +} + +/* ARGSUSED */ +static String ParseAddModifier(str, closure, event, error) + register String str; + register Opaque closure; + register EventPtr event; + Boolean* error; +{ + register unsigned long modval = (unsigned long)closure; + event->event.modifiers |= modval; + if (modval != AnyButtonMask) /* AnyButtonMask is don't-care mask */ + event->event.modifierMask |= modval; + + return BROKEN_OPTIMIZER_HACK(str); +} + + +static String ParseKeyAndModifiers(str, closure, event,error) + String str; + Opaque closure; + EventPtr event; + Boolean* error; +{ + str = ParseKeySym(str, closure, event,error); + if ((unsigned long) closure == 0) { + Value metaMask; /* unused */ + (void) _XtLookupModifier(QMeta, &event->event.lateModifiers, FALSE, + &metaMask, FALSE); + } else { + event->event.modifiers |= (unsigned long) closure; + event->event.modifierMask |= (unsigned long) closure; + } + return str; +} + +/*ARGSUSED*/ +static String ParseKeySym(str, closure, event,error) + register String str; + Opaque closure; + EventPtr event; + Boolean* error; +{ + char *start; + char keySymNamebuf[100]; + char* keySymName; + + ScanWhitespace(str); + + if (*str == '\\') { + keySymName = keySymNamebuf; + str++; + keySymName[0] = *str; + if (*str != '\0' && *str != '\n') str++; + keySymName[1] = '\0'; + event->event.eventCode = StringToKeySym(keySymName, error); + event->event.eventCodeMask = ~0L; + } else if (*str == ',' || *str == ':' || + /* allow leftparen to be single char symbol, + * for backwards compatibility + */ + (*str == '(' && *(str+1) >= '0' && *(str+1) <= '9')) { + keySymName = keySymNamebuf; /* just so we can stackfree it later */ + /* no detail */ + event->event.eventCode = 0L; + event->event.eventCodeMask = 0L; + } else { + start = str; + while ( + *str != ',' + && *str != ':' + && *str != ' ' + && *str != '\t' + && *str != '\n' + && (*str != '(' || *(str+1) <= '0' || *(str+1) >= '9') + && *str != '\0') str++; + keySymName = XtStackAlloc (str - start + 1, keySymNamebuf); + (void) memmove(keySymName, start, str-start); + keySymName[str-start] = '\0'; + event->event.eventCode = StringToKeySym(keySymName, error); + event->event.eventCodeMask = ~0L; + } + if (*error) { + if (keySymName[0] == '<') { + /* special case for common error */ + XtWarningMsg(XtNtranslationParseError, "missingComma", + XtCXtToolkitError, + "... possibly due to missing ',' in event sequence.", + (String*)NULL, (Cardinal*)NULL); + } + XtStackFree (keySymName, keySymNamebuf); + return PanicModeRecovery(str); + } + if (event->event.standard) + event->event.matchEvent = _XtMatchUsingStandardMods; + else + event->event.matchEvent = _XtMatchUsingDontCareMods; + + XtStackFree (keySymName, keySymNamebuf); + + return str; +} + +static String ParseTable(str, closure, event,error) + register String str; + Opaque closure; + EventPtr event; + Boolean* error; +{ + register String start = str; + register XrmQuark signature; + NameValueTable table = (NameValueTable) closure; + char tableSymName[100]; + + event->event.eventCode = 0L; + ScanAlphanumeric(str); + if (str == start) {event->event.eventCodeMask = 0L; return str; } + if (str-start >= 99) { + Syntax("Invalid Detail Type (string is too long).", ""); + *error = TRUE; + return str; + } + (void) memmove(tableSymName, start, str-start); + tableSymName[str-start] = '\0'; + signature = StringToQuark(tableSymName); + for (; table->signature != NULLQUARK; table++) + if (table->signature == signature) { + event->event.eventCode = table->value; + event->event.eventCodeMask = ~0L; + return str; + } + + Syntax("Unknown Detail Type: ", tableSymName); + *error = TRUE; + return PanicModeRecovery(str); +} + +/*ARGSUSED*/ +static String ParseNone(str, closure, event,error) + String str; + Opaque closure; + EventPtr event; + Boolean* error; +{ + event->event.eventCode = 0; + event->event.eventCodeMask = 0; + + return BROKEN_OPTIMIZER_HACK(str); +} + +/*ARGSUSED*/ +static String ParseAtom(str, closure, event,error) + String str; + Opaque closure; + EventPtr event; + Boolean* error; +{ + ScanWhitespace(str); + + if (*str == ',' || *str == ':') { + /* no detail */ + event->event.eventCode = 0L; + event->event.eventCodeMask = 0L; + } else { + char *start, atomName[1000]; + start = str; + while ( + *str != ',' + && *str != ':' + && *str != ' ' + && *str != '\t' + && *str != '\n' + && *str != '\0') str++; + if (str-start >= 999) { + Syntax( "Atom name must be less than 1000 characters long.", "" ); + *error = TRUE; + return str; + } + (void) memmove(atomName, start, str-start); + atomName[str-start] = '\0'; + event->event.eventCode = XrmStringToQuark(atomName); + event->event.matchEvent = _XtMatchAtom; + } + return str; +} + +static ModifierMask buttonModifierMasks[] = { + 0, Button1Mask, Button2Mask, Button3Mask, Button4Mask, Button5Mask +}; +static String ParseRepeat(); + +static String ParseEvent(str, event, reps, plus, error) + register String str; + EventPtr event; + int* reps; + Boolean* plus; + Boolean* error; +{ + Cardinal tmEvent; + + str = ParseModifiers(str, event,error); + if (*error) return str; + if (*str != '<') { + Syntax("Missing '<' while parsing event type.",""); + *error = TRUE; + return PanicModeRecovery(str); + } + else str++; + str = ParseXtEventType(str, event, &tmEvent,error); + if (*error) return str; + if (*str != '>'){ + Syntax("Missing '>' while parsing event type",""); + *error = TRUE; + return PanicModeRecovery(str); + } + else str++; + if (*str == '(') { + str = ParseRepeat(str, reps, plus, error); + if (*error) return str; + } + str = (*(events[tmEvent].parseDetail))( + str, events[tmEvent].closure, event,error); + if (*error) return str; + +/* gross hack! ||| this kludge is related to the X11 protocol deficiency w.r.t. + * modifiers in grabs. + */ + if ((event->event.eventType == ButtonRelease) + && (event->event.modifiers | event->event.modifierMask) /* any */ + && (event->event.modifiers != AnyModifier)) + { + event->event.modifiers + |= buttonModifierMasks[event->event.eventCode]; + /* the button that is going up will always be in the modifiers... */ + } + + return str; +} + +static String ParseQuotedStringEvent(str, event,error) + register String str; + register EventPtr event; + Boolean *error; +{ + Value metaMask; + char s[2]; + + if (*str=='^') { + str++; + event->event.modifiers = ControlMask; + } else if (*str == '$') { + str++; + (void) _XtLookupModifier(QMeta, &event->event.lateModifiers, FALSE, + &metaMask, FALSE); + } + if (*str == '\\') + str++; + s[0] = *str; + s[1] = '\0'; + if (*str != '\0' && *str != '\n') str++; + event->event.eventType = KeyPress; + event->event.eventCode = StringToKeySym(s, error); + if (*error) return PanicModeRecovery(str); + event->event.eventCodeMask = ~0L; + event->event.matchEvent = _XtMatchUsingStandardMods; + event->event.standard = TRUE; + + return str; +} + + +static EventSeqRec timerEventRec = { + {0, 0, NULL, _XtEventTimerEventType, 0L, 0L, NULL}, + /* (StatePtr) -1 */ NULL, + NULL, + NULL +}; + +static void RepeatDown(eventP, reps, actionsP) + EventPtr *eventP; + int reps; + ActionPtr **actionsP; +{ + EventRec upEventRec; + register EventPtr event, downEvent; + EventPtr upEvent = &upEventRec; + register int i; + + downEvent = event = *eventP; + *upEvent = *downEvent; + upEvent->event.eventType = ((event->event.eventType == ButtonPress) ? + ButtonRelease : KeyRelease); + if ((upEvent->event.eventType == ButtonRelease) + && (upEvent->event.modifiers != AnyModifier) + && (upEvent->event.modifiers | upEvent->event.modifierMask)) + upEvent->event.modifiers + |= buttonModifierMasks[event->event.eventCode]; + + if (event->event.lateModifiers) + event->event.lateModifiers->ref_count += (reps - 1) * 2; + + for (i=1; i<reps; i++) { + + /* up */ + event->next = XtNew(EventSeqRec); + event = event->next; + *event = *upEvent; + + /* timer */ + event->next = XtNew(EventSeqRec); + event = event->next; + *event = timerEventRec; + + /* down */ + event->next = XtNew(EventSeqRec); + event = event->next; + *event = *downEvent; + + } + + event->next = NULL; + *eventP = event; + *actionsP = &event->actions; +} + +static void RepeatDownPlus(eventP, reps, actionsP) + EventPtr *eventP; + int reps; + ActionPtr **actionsP; +{ + EventRec upEventRec; + register EventPtr event, downEvent, lastDownEvent; + EventPtr upEvent = &upEventRec; + register int i; + + downEvent = event = *eventP; + *upEvent = *downEvent; + upEvent->event.eventType = ((event->event.eventType == ButtonPress) ? + ButtonRelease : KeyRelease); + if ((upEvent->event.eventType == ButtonRelease) + && (upEvent->event.modifiers != AnyModifier) + && (upEvent->event.modifiers | upEvent->event.modifierMask)) + upEvent->event.modifiers + |= buttonModifierMasks[event->event.eventCode]; + + if (event->event.lateModifiers) + event->event.lateModifiers->ref_count += reps * 2 - 1; + + for (i=0; i<reps; i++) { + + if (i > 0) { + /* down */ + event->next = XtNew(EventSeqRec); + event = event->next; + *event = *downEvent; + } + lastDownEvent = event; + + /* up */ + event->next = XtNew(EventSeqRec); + event = event->next; + *event = *upEvent; + + /* timer */ + event->next = XtNew(EventSeqRec); + event = event->next; + *event = timerEventRec; + + } + + event->next = lastDownEvent; + *eventP = event; + *actionsP = &lastDownEvent->actions; +} + +static void RepeatUp(eventP, reps, actionsP) + EventPtr *eventP; + int reps; + ActionPtr **actionsP; +{ + EventRec upEventRec; + register EventPtr event, downEvent; + EventPtr upEvent = &upEventRec; + register int i; + + /* the event currently sitting in *eventP is an "up" event */ + /* we want to make it a "down" event followed by an "up" event, */ + /* so that sequence matching on the "state" side works correctly. */ + + downEvent = event = *eventP; + *upEvent = *downEvent; + downEvent->event.eventType = ((event->event.eventType == ButtonRelease) ? + ButtonPress : KeyPress); + if ((downEvent->event.eventType == ButtonPress) + && (downEvent->event.modifiers != AnyModifier) + && (downEvent->event.modifiers | downEvent->event.modifierMask)) + downEvent->event.modifiers + &= ~buttonModifierMasks[event->event.eventCode]; + + if (event->event.lateModifiers) + event->event.lateModifiers->ref_count += reps * 2 - 1; + + /* up */ + event->next = XtNew(EventSeqRec); + event = event->next; + *event = *upEvent; + + for (i=1; i<reps; i++) { + + /* timer */ + event->next = XtNew(EventSeqRec); + event = event->next; + *event = timerEventRec; + + /* down */ + event->next = XtNew(EventSeqRec); + event = event->next; + *event = *downEvent; + + /* up */ + event->next = XtNew(EventSeqRec); + event = event->next; + *event = *upEvent; + + } + + event->next = NULL; + *eventP = event; + *actionsP = &event->actions; +} + +static void RepeatUpPlus(eventP, reps, actionsP) + EventPtr *eventP; + int reps; + ActionPtr **actionsP; +{ + EventRec upEventRec; + register EventPtr event, downEvent, lastUpEvent; + EventPtr upEvent = &upEventRec; + register int i; + + /* the event currently sitting in *eventP is an "up" event */ + /* we want to make it a "down" event followed by an "up" event, */ + /* so that sequence matching on the "state" side works correctly. */ + + downEvent = event = *eventP; + *upEvent = *downEvent; + downEvent->event.eventType = ((event->event.eventType == ButtonRelease) ? + ButtonPress : KeyPress); + if ((downEvent->event.eventType == ButtonPress) + && (downEvent->event.modifiers != AnyModifier) + && (downEvent->event.modifiers | downEvent->event.modifierMask)) + downEvent->event.modifiers + &= ~buttonModifierMasks[event->event.eventCode]; + + if (event->event.lateModifiers) + event->event.lateModifiers->ref_count += reps * 2; + + for (i=0; i<reps; i++) { + + /* up */ + event->next = XtNew(EventSeqRec); + lastUpEvent = event = event->next; + *event = *upEvent; + + /* timer */ + event->next = XtNew(EventSeqRec); + event = event->next; + *event = timerEventRec; + + /* down */ + event->next = XtNew(EventSeqRec); + event = event->next; + *event = *downEvent; + + } + + event->next = lastUpEvent; + *eventP = event; + *actionsP = &lastUpEvent->actions; +} + +static void RepeatOther(eventP, reps, actionsP) + EventPtr *eventP; + int reps; + ActionPtr **actionsP; +{ + register EventPtr event, tempEvent; + register int i; + + tempEvent = event = *eventP; + + if (event->event.lateModifiers) + event->event.lateModifiers->ref_count += reps - 1; + + for (i=1; i<reps; i++) { + event->next = XtNew(EventSeqRec); + event = event->next; + *event = *tempEvent; + } + + *eventP = event; + *actionsP = &event->actions; +} + +static void RepeatOtherPlus(eventP, reps, actionsP) + EventPtr *eventP; + int reps; + ActionPtr **actionsP; +{ + register EventPtr event, tempEvent; + register int i; + + tempEvent = event = *eventP; + + if (event->event.lateModifiers) + event->event.lateModifiers->ref_count += reps - 1; + + for (i=1; i<reps; i++) { + event->next = XtNew(EventSeqRec); + event = event->next; + *event = *tempEvent; + } + + event->next = event; + *eventP = event; + *actionsP = &event->actions; +} + +static void RepeatEvent(eventP, reps, plus, actionsP) + EventPtr *eventP; + int reps; + Boolean plus; + ActionPtr **actionsP; +{ + switch ((*eventP)->event.eventType) { + + case ButtonPress: + case KeyPress: + if (plus) RepeatDownPlus(eventP, reps, actionsP); + else RepeatDown(eventP, reps, actionsP); + break; + + case ButtonRelease: + case KeyRelease: + if (plus) RepeatUpPlus(eventP, reps, actionsP); + else RepeatUp(eventP, reps, actionsP); + break; + + default: + if (plus) RepeatOtherPlus(eventP, reps, actionsP); + else RepeatOther(eventP, reps, actionsP); + } +} + +static String ParseRepeat(str, reps, plus, error) + register String str; + int *reps; + Boolean *plus, *error; +{ + + /*** Parse the repetitions, for double click etc... ***/ + if (*str != '(' || !(isdigit(str[1]) || str[1] == '+' || str[1] == ')')) + return str; + str++; + if (isdigit(*str)) { + String start = str; + char repStr[7]; + int len; + + ScanNumeric(str); + len = (str - start); + if (len < sizeof repStr) { + (void) memmove(repStr, start, len); + repStr[len] = '\0'; + *reps = StrToNum(repStr); + } else { + Syntax("Repeat count too large.", ""); + *error = TRUE; + return str; + } + } + if (*reps == 0) { + Syntax("Missing repeat count.",""); + *error = True; + return str; + } + + if (*str == '+') { + *plus = TRUE; + str++; + } + if (*str == ')') + str++; + else { + Syntax("Missing ')'.",""); + *error = TRUE; + } + + return str; +} + +/*********************************************************************** + * ParseEventSeq + * Parses the left hand side of a translation table production + * up to, and consuming the ":". + * Takes a pointer to a char* (where to start parsing) and returns an + * event seq (in a passed in variable), having updated the String + **********************************************************************/ + +static String ParseEventSeq(str, eventSeqP, actionsP,error) + register String str; + EventSeqPtr *eventSeqP; + ActionPtr **actionsP; + Boolean *error; +{ + EventSeqPtr *nextEvent = eventSeqP; + + *eventSeqP = NULL; + + while ( *str != '\0' && *str != '\n') { + static Event nullEvent = + {0, 0,0L, 0, 0L, 0L,_XtRegularMatch,FALSE}; + EventPtr event; + + ScanWhitespace(str); + + if (*str == '"') { + str++; + while (*str != '"' && *str != '\0' && *str != '\n') { + event = XtNew(EventRec); + event->event = nullEvent; + event->state = /* (StatePtr) -1 */ NULL; + event->next = NULL; + event->actions = NULL; + str = ParseQuotedStringEvent(str, event,error); + if (*error) { + XtWarningMsg(XtNtranslationParseError, "nonLatin1", + XtCXtToolkitError, + "... probably due to non-Latin1 character in quoted string", + (String*)NULL, (Cardinal*)NULL); + return PanicModeRecovery(str); + } + *nextEvent = event; + *actionsP = &event->actions; + nextEvent = &event->next; + } + if (*str != '"') { + Syntax("Missing '\"'.",""); + *error = TRUE; + return PanicModeRecovery(str); + } + else str++; + } else { + int reps = 0; + Boolean plus = FALSE; + + event = XtNew(EventRec); + event->event = nullEvent; + event->state = /* (StatePtr) -1 */ NULL; + event->next = NULL; + event->actions = NULL; + + str = ParseEvent(str, event, &reps, &plus, error); + if (*error) return str; + *nextEvent = event; + *actionsP = &event->actions; + if (reps > 1 || plus) + RepeatEvent(&event, reps, plus, actionsP); + nextEvent = &event->next; + } + ScanWhitespace(str); + if (*str == ':') break; + else { + if (*str != ',') { + Syntax("',' or ':' expected while parsing event sequence.",""); + *error = TRUE; + return PanicModeRecovery(str); + } else str++; + } + } + + if (*str != ':') { + Syntax("Missing ':'after event sequence.",""); + *error = TRUE; + return PanicModeRecovery(str); + } else str++; + + return str; +} + + +static String ParseActionProc(str, actionProcNameP, error) + register String str; + XrmQuark *actionProcNameP; + Boolean *error; +{ + register String start = str; + char procName[200]; + + str = ScanIdent(str); + if (str-start >= 199) { + Syntax("Action procedure name is longer than 199 chars",""); + *error = TRUE; + return str; + } + (void) memmove(procName, start, str-start); + procName[str-start] = '\0'; + *actionProcNameP = XrmStringToQuark( procName ); + return str; +} + + +static String ParseString(str, strP) + register String str; + String *strP; +{ + register String start; + + if (*str == '"') { + register unsigned prev_len, len; + str++; + start = str; + *strP = NULL; + prev_len = 0; + + while (*str != '"' && *str != '\0') { + /* \" produces double quote embedded in a quoted parameter + * \\" produces backslash as last character of a quoted parameter + */ + if (*str == '\\' && + (*(str+1) == '"' || (*(str+1) == '\\' && *(str+2) == '"'))) { + len = prev_len + (str-start+2); + *strP = XtRealloc(*strP, len); + (void) memmove(*strP + prev_len, start, str-start); + prev_len = len-1; + str++; + (*strP)[prev_len-1] = *str; + (*strP)[prev_len] = '\0'; + start = str+1; + } + str++; + } + len = prev_len + (str-start+1); + *strP = XtRealloc(*strP, len); + (void) memmove( *strP + prev_len, start, str-start); + (*strP)[len-1] = '\0'; + if (*str == '"') str++; else + XtWarningMsg(XtNtranslationParseError,"parseString", + XtCXtToolkitError,"Missing '\"'.", + (String *)NULL, (Cardinal *)NULL); + } else { + /* scan non-quoted string, stop on whitespace, ',' or ')' */ + start = str; + while (*str != ' ' + && *str != '\t' + && *str != ',' + && *str != ')' + && *str != '\n' + && *str != '\0') str++; + *strP = __XtMalloc((unsigned)(str-start+1)); + (void) memmove(*strP, start, str-start); + (*strP)[str-start] = '\0'; + } + return str; +} + + +static String ParseParamSeq(str, paramSeqP, paramNumP) + register String str; + String **paramSeqP; + Cardinal *paramNumP; +{ + typedef struct _ParamRec *ParamPtr; + typedef struct _ParamRec { + ParamPtr next; + String param; + } ParamRec; + + ParamPtr params = NULL; + register Cardinal num_params = 0; + register Cardinal i; + + ScanWhitespace(str); + while (*str != ')' && *str != '\0' && *str != '\n') { + String newStr; + str = ParseString(str, &newStr); + if (newStr != NULL) { + ParamPtr temp = (ParamRec*) + ALLOCATE_LOCAL( (unsigned)sizeof(ParamRec) ); + if (temp == NULL) _XtAllocError (NULL); + + num_params++; + temp->next = params; + params = temp; + temp->param = newStr; + ScanWhitespace(str); + if (*str == ',') { + str++; + ScanWhitespace(str); + } + } + } + + if (num_params != 0) { + String *paramP = (String *) + __XtMalloc( (unsigned)(num_params+1) * sizeof(String) ); + *paramSeqP = paramP; + *paramNumP = num_params; + paramP += num_params; /* list is LIFO right now */ + *paramP-- = NULL; + for (i=0; i < num_params; i++) { + ParamPtr next = params->next; + *paramP-- = params->param; + DEALLOCATE_LOCAL( (char *)params ); + params = next; + } + } else { + *paramSeqP = NULL; + *paramNumP = 0; + } + + return str; +} + +static String ParseAction(str, actionP, quarkP, error) + String str; + ActionPtr actionP; + XrmQuark* quarkP; + Boolean* error; +{ + str = ParseActionProc(str, quarkP, error); + if (*error) return str; + + if (*str == '(') { + str++; + str = ParseParamSeq(str, &actionP->params, &actionP->num_params); + } else { + Syntax("Missing '(' while parsing action sequence",""); + *error = TRUE; + return str; + } + if (*str == ')') str++; + else{ + Syntax("Missing ')' while parsing action sequence",""); + *error = TRUE; + return str; + } + return str; +} + + +static String ParseActionSeq(parseTree, str, actionsP, error) + TMParseStateTree parseTree; + String str; + ActionPtr *actionsP; + Boolean *error; +{ + ActionPtr *nextActionP = actionsP; + + *actionsP = NULL; + while (*str != '\0' && *str != '\n') { + register ActionPtr action; + XrmQuark quark; + + action = XtNew(ActionRec); + action->params = NULL; + action->num_params = 0; + action->next = NULL; + + str = ParseAction(str, action, &quark, error); + if (*error) return PanicModeRecovery(str); + + action->idx = _XtGetQuarkIndex(parseTree, quark); + ScanWhitespace(str); + *nextActionP = action; + nextActionP = &action->next; + } + if (*str == '\n') str++; + ScanWhitespace(str); + return str; +} + + +static void ShowProduction(currentProduction) + String currentProduction; +{ + Cardinal num_params = 1; + String params[1]; + int len; + char *eol, *production, productionbuf[500]; + + eol = strchr(currentProduction, '\n'); + if (eol) len = eol - currentProduction; + else len = strlen (currentProduction); + production = XtStackAlloc (len + 1, productionbuf); + if (production == NULL) _XtAllocError (NULL); + (void) memmove(production, currentProduction, len); + production[len] = '\0'; + + params[0] = production; + XtWarningMsg(XtNtranslationParseError, "showLine", XtCXtToolkitError, + "... found while parsing '%s'", params, &num_params); + + XtStackFree (production, productionbuf); +} + +/*********************************************************************** + * ParseTranslationTableProduction + * Parses one line of event bindings. + ***********************************************************************/ + +static String ParseTranslationTableProduction(parseTree, str, error) + TMParseStateTree parseTree; + register String str; + Boolean* error; +{ + EventSeqPtr eventSeq = NULL; + ActionPtr *actionsP; + String production = str; + + str = ParseEventSeq(str, &eventSeq, &actionsP,error); + if (*error == TRUE) { + ShowProduction(production); + FreeEventSeq(eventSeq); + return (str); + } + ScanWhitespace(str); + str = ParseActionSeq(parseTree, str, actionsP, error); + if (*error == TRUE) { + ShowProduction(production); + FreeEventSeq(eventSeq); + return (str); + } + + _XtAddEventSeqToStateTree(eventSeq, parseTree); + FreeEventSeq(eventSeq); + return (str); +} + +static String CheckForPoundSign(str, defaultOp, actualOpRtn) + String str; + _XtTranslateOp defaultOp; + _XtTranslateOp *actualOpRtn; +{ + String start; + char operation[20]; + _XtTranslateOp opType; + + opType = defaultOp; + ScanWhitespace(str); + if (*str == '#') { + int len; + str++; + start = str; + str = ScanIdent(str); + len = MIN(19, str-start); + (void) memmove(operation, start, len); + operation[len] = '\0'; + if (!strcmp(operation,"replace")) + opType = XtTableReplace; + else if (!strcmp(operation,"augment")) + opType = XtTableAugment; + else if (!strcmp(operation,"override")) + opType = XtTableOverride; + ScanWhitespace(str); + if (*str == '\n') { + str++; + ScanWhitespace(str); + } + } + *actualOpRtn = opType; + return str; +} + +static XtTranslations ParseTranslationTable(source, isAccelerator, defaultOp, error) + String source; + Boolean isAccelerator; + _XtTranslateOp defaultOp; + Boolean* error; +{ + XtTranslations xlations; + TMStateTree stateTrees[8]; + TMParseStateTreeRec parseTreeRec, *parseTree = &parseTreeRec; + XrmQuark stackQuarks[200]; + TMBranchHeadRec stackBranchHeads[200]; + StatePtr stackComplexBranchHeads[200]; + _XtTranslateOp actualOp; + + if (source == NULL) + return (XtTranslations)NULL; + + source = CheckForPoundSign(source, defaultOp, &actualOp); + if (isAccelerator && actualOp == XtTableReplace) + actualOp = defaultOp; + + parseTree->isSimple = TRUE; + parseTree->mappingNotifyInterest = FALSE; + parseTree->isAccelerator = isAccelerator; + parseTree->isStackBranchHeads = + parseTree->isStackQuarks = + parseTree->isStackComplexBranchHeads = TRUE; + + parseTree->numQuarks = + parseTree->numBranchHeads = + parseTree->numComplexBranchHeads = 0; + + parseTree->quarkTblSize = + parseTree->branchHeadTblSize = + parseTree->complexBranchHeadTblSize = 200; + + parseTree->quarkTbl = stackQuarks; + parseTree->branchHeadTbl = stackBranchHeads; + parseTree->complexBranchHeadTbl = stackComplexBranchHeads; + + while (source != NULL && *source != '\0') { + source = ParseTranslationTableProduction(parseTree, source, error); + if (*error == TRUE) break; + } + stateTrees[0] = _XtParseTreeToStateTree(parseTree); + + if (!parseTree->isStackQuarks) + XtFree((char *)parseTree->quarkTbl); + if (!parseTree->isStackBranchHeads) + XtFree((char *)parseTree->branchHeadTbl); + if (!parseTree->isStackComplexBranchHeads) + XtFree((char *)parseTree->complexBranchHeadTbl); + + xlations = _XtCreateXlations(stateTrees, 1, NULL, NULL); + xlations->operation = actualOp; + +#ifdef notdef + XtFree(stateTrees); +#endif /* notdef */ + return xlations; +} + +/*** public procedures ***/ + +/*ARGSUSED*/ +Boolean XtCvtStringToAcceleratorTable(dpy, args, num_args, from, to, closure) + Display* dpy; + XrmValuePtr args; + Cardinal *num_args; + XrmValuePtr from,to; + XtPointer *closure; +{ + String str; + Boolean error = FALSE; + + if (*num_args != 0) + XtAppWarningMsg(XtDisplayToApplicationContext(dpy), + "wrongParameters","cvtStringToAcceleratorTable",XtCXtToolkitError, + "String to AcceleratorTable conversion needs no extra arguments", + (String *)NULL, (Cardinal *)NULL); + str = (String)(from->addr); + if (str == NULL) { + XtAppWarningMsg(XtDisplayToApplicationContext(dpy), + "badParameters","cvtStringToAcceleratorTable",XtCXtToolkitError, + "String to AcceleratorTable conversion needs string", + (String *)NULL, (Cardinal *)NULL); + return FALSE; + } + if (to->addr != NULL) { + if (to->size < sizeof(XtAccelerators)) { + to->size = sizeof(XtAccelerators); + return FALSE; + } + *(XtAccelerators*)to->addr = + (XtAccelerators) ParseTranslationTable(str, TRUE, XtTableAugment, &error); + } + else { + static XtAccelerators staticStateTable; + staticStateTable = + (XtAccelerators) ParseTranslationTable(str, TRUE, XtTableAugment, &error); + to->addr = (XPointer) &staticStateTable; + to->size = sizeof(XtAccelerators); + } + if (error == TRUE) + XtAppWarningMsg(XtDisplayToApplicationContext(dpy), + "parseError","cvtStringToAcceleratorTable",XtCXtToolkitError, + "String to AcceleratorTable conversion encountered errors", + (String *)NULL, (Cardinal *)NULL); + return (error != TRUE); +} + + +/*ARGSUSED*/ +Boolean +XtCvtStringToTranslationTable(dpy, args, num_args, from, to, closure_ret) + Display *dpy; + XrmValuePtr args; + Cardinal *num_args; + XrmValuePtr from,to; + XtPointer *closure_ret; +{ + String str; + Boolean error = FALSE; + + if (*num_args != 0) + XtAppWarningMsg(XtDisplayToApplicationContext(dpy), + "wrongParameters","cvtStringToTranslationTable",XtCXtToolkitError, + "String to TranslationTable conversion needs no extra arguments", + (String *)NULL, (Cardinal *)NULL); + str = (String)(from->addr); + if (str == NULL) { + XtAppWarningMsg(XtDisplayToApplicationContext(dpy), + "badParameters","cvtStringToTranslation",XtCXtToolkitError, + "String to TranslationTable conversion needs string", + (String *)NULL, (Cardinal *)NULL); + return FALSE; + } + if (to->addr != NULL) { + if (to->size < sizeof(XtTranslations)) { + to->size = sizeof(XtTranslations); + return FALSE; + } + *(XtTranslations*)to->addr = + ParseTranslationTable(str, FALSE, XtTableReplace, &error); + } + else { + static XtTranslations staticStateTable; + staticStateTable = + ParseTranslationTable(str, FALSE, XtTableReplace, &error); + to->addr = (XPointer) &staticStateTable; + to->size = sizeof(XtTranslations); + } + if (error == TRUE) + XtAppWarningMsg(XtDisplayToApplicationContext(dpy), + "parseError","cvtStringToTranslationTable",XtCXtToolkitError, + "String to TranslationTable conversion encountered errors", + (String *)NULL, (Cardinal *)NULL); + return (error != TRUE); +} + + +/* + * Parses a user's or applications translation table + */ +#if NeedFunctionPrototypes +XtAccelerators XtParseAcceleratorTable( + _Xconst char* source + ) +#else +XtAccelerators XtParseAcceleratorTable(source) + String source; +#endif +{ + Boolean error = FALSE; + XtAccelerators ret = + (XtAccelerators) ParseTranslationTable (source, TRUE, XtTableAugment, &error); + if (error == TRUE) + XtWarningMsg ("parseError", "cvtStringToAcceleratorTable", + XtCXtToolkitError, + "String to AcceleratorTable conversion encountered errors", + (String *)NULL, (Cardinal *)NULL); + return ret; +} + +#if NeedFunctionPrototypes +XtTranslations XtParseTranslationTable( + _Xconst char* source + ) +#else +XtTranslations XtParseTranslationTable(source) + String source; +#endif +{ + Boolean error = FALSE; + XtTranslations ret = ParseTranslationTable(source, FALSE, XtTableReplace, &error); + if (error == TRUE) + XtWarningMsg ("parseError", + "cvtStringToTranslationTable", XtCXtToolkitError, + "String to TranslationTable conversion encountered errors", + (String *)NULL, (Cardinal *)NULL); + return ret; +} + +void _XtTranslateInitialize() +{ + LOCK_PROCESS; + if (initialized) { + XtWarningMsg("translationError","xtTranslateInitialize", + XtCXtToolkitError,"Initializing Translation manager twice.", + (String *)NULL, (Cardinal *)NULL); + UNLOCK_PROCESS; + return; + } + + initialized = TRUE; + UNLOCK_PROCESS; + QMeta = XrmPermStringToQuark("Meta"); + QCtrl = XrmPermStringToQuark("Ctrl"); + QNone = XrmPermStringToQuark("None"); + QAny = XrmPermStringToQuark("Any"); + + Compile_XtEventTable( events, XtNumber(events) ); + Compile_XtModifierTable( modifiers, XtNumber(modifiers) ); + CompileNameValueTable( buttonNames ); + CompileNameValueTable( notifyModes ); + CompileNameValueTable( motionDetails ); +#if 0 + CompileNameValueTable( notifyDetail ); + CompileNameValueTable( visibilityNotify ); + CompileNameValueTable( circulation ); + CompileNameValueTable( propertyChanged ); +#endif + CompileNameValueTable( mappingNotify ); +} + +void _XtAddTMConverters(table) + ConverterTable table; +{ + _XtTableAddConverter(table, + _XtQString, + XrmPermStringToQuark(XtRTranslationTable), + XtCvtStringToTranslationTable, (XtConvertArgList) NULL, + (Cardinal)0, True, CACHED, _XtFreeTranslations, True); + _XtTableAddConverter(table, _XtQString, + XrmPermStringToQuark(XtRAcceleratorTable), + XtCvtStringToAcceleratorTable, (XtConvertArgList) NULL, + (Cardinal)0, True, CACHED, _XtFreeTranslations, True); + _XtTableAddConverter(table, + XrmPermStringToQuark( _XtRStateTablePair ), + XrmPermStringToQuark(XtRTranslationTable), + _XtCvtMergeTranslations, (XtConvertArgList) NULL, + (Cardinal)0, True, CACHED, _XtFreeTranslations, True); +} |