Mercurial > illumos > onarm
view usr/src/cmd/man/src/util/nsgmls.src/include/Options.cxx @ 0:c9caec207d52 b86
Initial porting based on b86
author | Koji Uno <koji.uno@sun.com> |
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date | Tue, 02 Jun 2009 18:56:50 +0900 |
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// Derived from comp.sources.unix/volume3/att_getopt. // See #ifndef Options_DEF_INCLUDED #define Options_DEF_INCLUDED 1 #ifndef OPTION_CHAR #define OPTION_CHAR T('-') #endif #ifdef SP_NAMESPACE namespace SP_NAMESPACE { #endif template<class T> Options<T>::Options(int argc, T *const *argv, const T *opts) : argc_(argc), argv_(argv), opts_(opts), ind_(1), sp_(1) { } template<class T> const T *Options<T>::search(T c) const { for (const T *s = opts_; *s; s++) if (*s == c) return s; return 0; } template<class T> bool Options<T>::get(T &c) { const T *cp; if (sp_ == 1) { if (ind_ >= argc_) return false; if (( #ifdef OTHER_OPTION_CHAR argv_[ind_][0] != OTHER_OPTION_CHAR && #endif argv_[ind_][0] != OPTION_CHAR) || argv_[ind_][1] == 0) { #ifdef REORDER_ARGS int i; for (i = ind_; i < argc_; i++) if (( #ifdef OTHER_OPTION_CHAR argv_[i][0] == OTHER_OPTION_CHAR || #endif argv_[i][0] == OPTION_CHAR) && argv_[i][1] != 0) break; if (i < argc_) { c = argv_[i][1]; if (c != T(':') && c != OPTION_CHAR && (cp = search(c)) != 0 && cp[1] == T(':') && argv_[i][2] == 0 && i < argc_ - 1) { int j; T *temp1 = argv_[i]; T *temp2 = argv_[i + 1]; for (j = i - 1; j >= ind_; j--) argv_[j+2] = argv_[j]; argv_[ind_] = temp1; argv_[ind_ + 1] = temp2; } else { int j; T *temp = argv_[i]; for (j = i - 1; j >= ind_; j--) argv_[j+1] = argv_[j]; argv_[ind_] = temp; } } else #endif return false; } if ((argv_[ind_][0] == OPTION_CHAR && argv_[ind_][1] == OPTION_CHAR && argv_[ind_][2] == 0) #ifdef OTHER_OPTION_CHAR || (argv_[ind_][0] == OTHER_OPTION_CHAR && argv_[ind_][1] == OTHER_OPTION_CHAR && argv_[ind_][2] == 0) #endif ) { ind_++; return false; } } opt_ = c = argv_[ind_][sp_]; if (c == T(':') || (cp = search(c)) == 0) { if (argv_[ind_][++sp_] == 0) { ind_++; sp_ = 1; } c = T('?'); return true; } if (*++cp == T(':')) { if (argv_[ind_][sp_ + 1] != 0) arg_ = &argv_[ind_++][sp_ + 1]; else if (++ind_ >= argc_) { sp_ = 1; c = (*opts_ == T(':') ? T(':') : T('?')); return true; } else arg_ = argv_[ind_++]; sp_ = 1; } else { if (argv_[ind_][++sp_] == 0) { sp_ = 1; ind_++; } arg_ = 0; } return true; } #ifdef SP_NAMESPACE } #endif #endif /* not Options_DEF_INCLUDED */