+++ /dev/null
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
-
-/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
- file accompanying popt source distributions, available from
- ftp://ftp.redhat.com/pub/code/popt */
-
-#include "common.h"
-
-#include "popt.h"
-#include "poptint.h"
-
-static void displayArgs(poptContext con, enum poptCallbackReason foo,
- struct poptOption * key,
- const char * arg, void * data) {
- if (key->shortName== '?')
- poptPrintHelp(con, stdout, 0);
- else
- poptPrintUsage(con, stdout, 0);
- exit(0);
-}
-
-struct poptOption poptHelpOptions[] = {
- { NULL, '\0', POPT_ARG_CALLBACK, (void *)&displayArgs, '\0', NULL },
- { "help", '?', 0, NULL, '?', "Show this help message" },
- { "usage", '\0', 0, NULL, 'u', "Display brief usage message" },
- { NULL, '\0', 0, NULL, 0 }
-} ;
-
-
-static const char *
-getTableTranslationDomain(const struct poptOption *table)
-{
- const struct poptOption *opt;
-
- for(opt = table;
- opt->longName || opt->shortName || opt->arg;
- opt++) {
- if(opt->argInfo == POPT_ARG_INTL_DOMAIN)
- return opt->arg;
- }
-
- return NULL;
-}
-
-static const char * getArgDescrip(const struct poptOption * opt,
- const char *translation_domain) {
- if (!(opt->argInfo & POPT_ARG_MASK)) return NULL;
-
- if (opt == (poptHelpOptions + 1) || opt == (poptHelpOptions + 2))
- if (opt->argDescrip) return POPT_(opt->argDescrip);
-
- if (opt->argDescrip) return D_(translation_domain, opt->argDescrip);
- return POPT_("ARG");
-}
-
-static void singleOptionHelp(FILE * f, int maxLeftCol,
- const struct poptOption * opt,
- const char *translation_domain) {
- int indentLength = maxLeftCol + 5;
- int lineLength = 79 - indentLength;
- const char * help = D_(translation_domain, opt->descrip);
- int helpLength;
- const char * ch;
- char format[10];
- char * left = malloc(maxLeftCol + 1);
- const char * argDescrip = getArgDescrip(opt, translation_domain);
-
- *left = '\0';
- if (opt->longName && opt->shortName)
- sprintf(left, "-%c, --%s", opt->shortName, opt->longName);
- else if (opt->shortName)
- sprintf(left, "-%c", opt->shortName);
- else if (opt->longName)
- sprintf(left, "--%s", opt->longName);
- if (!*left) {
- free(left);
- return;
- }
- if (argDescrip) {
- strcat(left, "=");
- strcat(left, argDescrip);
- }
-
- if (help)
- fprintf(f," %-*s ", maxLeftCol, left);
- else {
- fprintf(f," %s\n", left);
- free(left);
- return;
- }
-
- free(left);
-
- helpLength = strlen(help);
- while (helpLength > lineLength) {
- ch = help + lineLength - 1;
- while (ch > help && !i_isspace(*ch)) ch--;
- if (ch == help) break; /* give up */
- while (ch > (help + 1) && i_isspace(*ch)) ch--;
- ch++;
-
- sprintf(format, "%%.%ds\n%%%ds", (int) (ch - help), indentLength);
- fprintf(f, format, help, " ");
- help = ch;
- while (i_isspace(*help) && *help) help++;
- helpLength = strlen(help);
- }
-
- if (helpLength) fprintf(f, "%s\n", help);
-}
-
-static int maxArgWidth(const struct poptOption * opt,
- const char * translation_domain) {
- int max = 0;
- int this;
- const char * s;
-
- while (opt->longName || opt->shortName || opt->arg) {
- if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
- this = maxArgWidth(opt->arg, translation_domain);
- if (this > max) max = this;
- } else if (!(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN)) {
- this = opt->shortName ? 2 : 0;
- if (opt->longName) {
- if (this) this += 2;
- this += strlen(opt->longName) + 2;
- }
-
- s = getArgDescrip(opt, translation_domain);
- if (s)
- this += strlen(s) + 1;
- if (this > max) max = this;
- }
-
- opt++;
- }
-
- return max;
-}
-
-static void singleTableHelp(FILE * f, const struct poptOption * table,
- int left,
- const char *translation_domain) {
- const struct poptOption * opt;
- const char *sub_transdom;
-
- opt = table;
- while (opt->longName || opt->shortName || opt->arg) {
- if ((opt->longName || opt->shortName) &&
- !(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN))
- singleOptionHelp(f, left, opt, translation_domain);
- opt++;
- }
-
- opt = table;
- while (opt->longName || opt->shortName || opt->arg) {
- if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
- sub_transdom = getTableTranslationDomain(opt->arg);
- if(!sub_transdom)
- sub_transdom = translation_domain;
-
- if (opt->descrip)
- fprintf(f, "\n%s\n", D_(sub_transdom, opt->descrip));
-
- singleTableHelp(f, opt->arg, left, sub_transdom);
- }
- opt++;
- }
-}
-
-static int showHelpIntro(poptContext con, FILE * f) {
- int len = 6;
- char * fn;
-
- fprintf(f, POPT_("Usage:"));
- if (!(con->flags & POPT_CONTEXT_KEEP_FIRST)) {
- fn = con->optionStack->argv[0];
- if (strrchr(fn, '/')) fn = strrchr(fn, '/') + 1;
- fprintf(f, " %s", fn);
- len += strlen(fn) + 1;
- }
-
- return len;
-}
-
-void poptPrintHelp(poptContext con, FILE * f, int flags) {
- int leftColWidth;
-
- showHelpIntro(con, f);
- if (con->otherHelp)
- fprintf(f, " %s\n", con->otherHelp);
- else
- fprintf(f, " %s\n", POPT_("[OPTION...]"));
-
- leftColWidth = maxArgWidth(con->options, NULL);
- singleTableHelp(f, con->options, leftColWidth, NULL);
-}
-
-static int singleOptionUsage(FILE * f, int cursor,
- const struct poptOption * opt,
- const char *translation_domain) {
- int len = 3;
- char shortStr[2];
- const char * item = shortStr;
- const char * argDescrip = getArgDescrip(opt, translation_domain);
-
- if (opt->shortName) {
- if (!(opt->argInfo & POPT_ARG_MASK))
- return cursor; /* we did these already */
- len++;
- *shortStr = opt->shortName;
- shortStr[1] = '\0';
- } else if (opt->longName) {
- len += 1 + strlen(opt->longName);
- item = opt->longName;
- }
-
- if (len == 3) return cursor;
-
- if (argDescrip)
- len += strlen(argDescrip) + 1;
-
- if ((cursor + len) > 79) {
- fprintf(f, "\n ");
- cursor = 7;
- }
-
- fprintf(f, " [-%s%s%s%s]", opt->shortName ? "" : "-", item,
- argDescrip ? (opt->shortName ? " " : "=") : "",
- argDescrip ? argDescrip : "");
-
- return cursor + len + 1;
-}
-
-static int singleTableUsage(FILE * f, int cursor, const struct poptOption * table,
- const char *translation_domain) {
- const struct poptOption * opt;
-
- opt = table;
- while (opt->longName || opt->shortName || opt->arg) {
- if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INTL_DOMAIN)
- translation_domain = (const char *)opt->arg;
- else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE)
- cursor = singleTableUsage(f, cursor, opt->arg,
- translation_domain);
- else if ((opt->longName || opt->shortName) &&
- !(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN))
- cursor = singleOptionUsage(f, cursor, opt, translation_domain);
-
- opt++;
- }
-
- return cursor;
-}
-
-static int showShortOptions(const struct poptOption * opt, FILE * f,
- char * str) {
- char s[300]; /* this is larger then the ascii set, so
- it should do just fine */
-
- if (!str) {
- str = s;
- memset(str, 0, sizeof(s));
- }
-
- while (opt->longName || opt->shortName || opt->arg) {
- if (opt->shortName && !(opt->argInfo & POPT_ARG_MASK))
- str[strlen(str)] = opt->shortName;
- else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE)
- showShortOptions(opt->arg, f, str);
-
- opt++;
- }
-
- if (s != str || !*s)
- return 0;
-
- fprintf(f, " [-%s]", s);
- return strlen(s) + 4;
-}
-
-void poptPrintUsage(poptContext con, FILE * f, int flags) {
- int cursor;
-
- cursor = showHelpIntro(con, f);
- cursor += showShortOptions(con->options, f, NULL);
- singleTableUsage(f, cursor, con->options, NULL);
-
- if (con->otherHelp) {
- cursor += strlen(con->otherHelp) + 1;
- if (cursor > 79) fprintf(f, "\n ");
- fprintf(f, " %s", con->otherHelp);
- }
-
- fprintf(f, "\n");
-}
-
-void poptSetOtherOptionHelp(poptContext con, const char * text) {
- if (con->otherHelp) free(con->otherHelp);
- con->otherHelp = g_strdup(text);
-}
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