diff options
Diffstat (limited to 'support/popthelp.c')
| -rw-r--r-- | support/popthelp.c | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/support/popthelp.c b/support/popthelp.c deleted file mode 100644 index 618f8a2..0000000 --- a/support/popthelp.c +++ /dev/null @@ -1,306 +0,0 @@ -/* -*- 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 */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <ctype.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#ifdef HAVE_ALLOCA_H -#include <alloca.h> -#endif - -#include "popt-gnome.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, &displayArgs, '\0', NULL }, - { "help", '?', 0, NULL, '?', N_("Show this help message") }, - { "usage", '\0', 0, NULL, 'u', N_("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 = alloca(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) return ; - if (argDescrip) { - strcat(left, "="); - strcat(left, argDescrip); - } - - if (help) - fprintf(f," %-*s ", maxLeftCol, left); - else { - fprintf(f," %s\n", left); - return; - } - - helpLength = strlen(help); - while (helpLength > lineLength) { - ch = help + lineLength - 1; - while (ch > help && !isspace(*ch)) ch--; - if (ch == help) break; /* give up */ - while (ch > (help + 1) && isspace(*ch)) ch--; - ch++; - - sprintf(format, "%%.%ds\n%%%ds", (int) (ch - help), indentLength); - fprintf(f, format, help, " "); - help = ch; - while (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 (strchr(fn, '/')) fn = strchr(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; -} - -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(str)); - } - - 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 = strdup(text); -} |