From deb004f7c9fc941e8e789b49b48ce3fc29f016da Mon Sep 17 00:00:00 2001 From: H.G. Muller Date: Tue, 25 Sep 2012 16:21:42 +0200 Subject: [PATCH] Implement --help option The list of options is printed before exiting. Some attempt is made to do it in a nice way. --- args.h | 6 +----- xboard.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 63 insertions(+), 5 deletions(-) diff --git a/args.h b/args.h index 0ae9f7c..1a16ed2 100644 --- a/args.h +++ b/args.h @@ -542,12 +542,12 @@ ArgDescriptor argDescriptors[] = { { "fUCI", ArgTrue, (void *) &appData.firstIsUCI, FALSE, INVALID }, { "firstUCI", ArgTrue, (void *) &appData.firstIsUCI, FALSE, INVALID }, { "secondIsUCI", ArgBoolean, (void *) &appData.secondIsUCI, FALSE, (ArgIniType) FALSE }, + { "secondUCI", ArgTrue, (void *) &appData.secondIsUCI, FALSE, INVALID }, { "sUCI", ArgTrue, (void *) &appData.secondIsUCI, FALSE, INVALID }, { "fUCCI", ArgTwo, (void *) &appData.firstIsUCI, FALSE, INVALID }, { "sUCCI", ArgTwo, (void *) &appData.secondIsUCI, FALSE, INVALID }, { "fUSI", ArgTwo, (void *) &appData.firstIsUCI, FALSE, INVALID }, { "sUSI", ArgTwo, (void *) &appData.secondIsUCI, FALSE, INVALID }, - { "secondUCI", ArgTrue, (void *) &appData.secondIsUCI, FALSE, INVALID }, { "firstHasOwnBookUCI", ArgBoolean, (void *) &appData.firstHasOwnBookUCI, FALSE, (ArgIniType) TRUE }, { "fNoOwnBookUCI", ArgFalse, (void *) &appData.firstHasOwnBookUCI, FALSE, INVALID }, { "firstXBook", ArgFalse, (void *) &appData.firstHasOwnBookUCI, FALSE, INVALID }, @@ -733,10 +733,6 @@ ArgDescriptor argDescriptors[] = { { "icsY", ArgY, (void *) &wpConsole.y, TRUE, (ArgIniType) CW_USEDEFAULT }, { "icsW", ArgInt, (void *) &wpConsole.width, TRUE, (ArgIniType) CW_USEDEFAULT }, { "icsH", ArgInt, (void *) &wpConsole.height, TRUE, (ArgIniType) CW_USEDEFAULT }, - { "analysisX", ArgX, (void *) &junk, FALSE, INVALID }, // [HGM] placement: analysis window no longer exists - { "analysisY", ArgY, (void *) &junk, FALSE, INVALID }, // provided for compatibility with old ini files - { "analysisW", ArgInt, (void *) &junk, FALSE, INVALID }, - { "analysisH", ArgInt, (void *) &junk, FALSE, INVALID }, { "commentX", ArgX, (void *) &wpComment.x, TRUE, (ArgIniType) CW_USEDEFAULT }, { "commentY", ArgY, (void *) &wpComment.y, TRUE, (ArgIniType) CW_USEDEFAULT }, { "commentW", ArgInt, (void *) &wpComment.width, TRUE, (ArgIniType) CW_USEDEFAULT }, diff --git a/xboard.c b/xboard.c index ebd046c..c97ca69 100644 --- a/xboard.c +++ b/xboard.c @@ -1157,6 +1157,63 @@ InitializeFonts (int clockFontPxlSize, int coordFontPxlSize, int fontPxlSize) #endif } +char * +PrintArg (ArgType t) +{ + char *p=""; + switch(t) { + case ArgZ: + case ArgInt: p = " N"; break; + case ArgString: p = " STR"; break; + case ArgBoolean: p = " TF"; break; + case ArgSettingsFilename: + case ArgFilename: p = " FILE"; break; + case ArgX: p = " Nx"; break; + case ArgY: p = " Ny"; break; + case ArgAttribs: p = " TEXTCOL"; break; + case ArgColor: p = " COL"; break; + case ArgFont: p = " FONT"; break; + case ArgBoardSize: p = " SIZE"; break; + case ArgFloat: p = " FLOAT"; break; + case ArgTrue: + case ArgFalse: + case ArgTwo: + case ArgNone: + case ArgCommSettings: + break; + } + return p; +} + +void +PrintOptions () +{ + char buf[MSG_SIZ]; + int len=0; + ArgDescriptor *q, *p = argDescriptors+5; + printf("\nXBoard accepts the following options:\n" + "(N = integer, TF = true or false, STR = text string, FILE = filename,\n" + " Nx, Ny = relative coordinates, COL = color, FONT = X-font spec,\n" + " SIZE = board-size spec(s)\n" + " Within parentheses are short forms, or options to set to true or false.\n" + " Persistent options (saved in the settings file) are marked with *)\n\n"); + while(p->argName) { + if(p->argType == ArgCommSettings) { p++; continue; } // XBoard has no comm port + snprintf(buf+len, MSG_SIZ, "-%s%s", p->argName, PrintArg(p->argType)); + if(p->save) strcat(buf+len, "*"); + for(q=p+1; q->argLoc == p->argLoc; q++) { + if(q->argName[0] == '-') continue; + strcat(buf+len, q == p+1 ? " (" : " "); + sprintf(buf+strlen(buf), "-%s%s", q->argName, PrintArg(q->argType)); + } + if(q != p+1) strcat(buf+len, ")"); + len = strlen(buf); + if(len > 39) len = 0, printf("%s\n", buf); else while(len < 39) buf[len++] = ' '; + p = q; + } + if(len) buf[len] = NULLCHAR, printf("%s\n", buf); +} + int main (int argc, char **argv) { @@ -1178,6 +1235,11 @@ main (int argc, char **argv) exit(0); } + if(argc > 1 && !strcmp(argv[1], "--help" )) { + PrintOptions(); + exit(0); + } + programName = strrchr(argv[0], '/'); if (programName == NULL) programName = argv[0]; -- 1.7.0.4