2 dstream.cc -- implement Dstream
4 source file of the Flower Library
6 (c) 1996, 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "dictionary-iter.hh"
14 #include "string-convert.hh"
15 #include "rational.hh"
17 /// amount of indentation for each level.
21 should use Regexp library.
24 strip_pretty (String pretty_str)
26 int i = pretty_str.index_i ('(');
28 pretty_str = pretty_str.left_str (i);
30 int l = pretty_str.index_last_i (' '); // strip until last ' '
32 pretty_str = pretty_str.nomid_str (0,l+1);
37 strip_member (String pret)
39 int l=pret.index_last_i (':')-1;
41 pret = pret.left_str (l);
46 Dstream::identify_as (String name)
51 String mem (strip_pretty (name));
52 String cl (strip_member (mem));
55 if (silent_dict_p_->elem_b (mem))
57 else if (silent_dict_p_->elem_b (cl))
61 (*silent_dict_p_)[idx] = default_silence_b_;
63 local_silence_b_ = (*silent_dict_p_)[idx];
64 if (current_classname_str_ != idx && !local_silence_b_)
66 current_classname_str_=idx;
67 if (!(*silent_dict_p_)["Dstream"])
68 *os_l_ << "[" << current_classname_str_ << ":]"; // messy.
74 Dstream::silent_b (String s) const
76 if (!silent_dict_p_->elem_b (s))
78 return (*silent_dict_p_)[s];
82 Dstream::operator<<(void const *v_l)
84 output (String_convert::pointer_str (v_l));
89 Dstream::operator <<(Scalar s)
96 Dstream::operator <<(const char * s)
103 Dstream::output (String s)
105 if (local_silence_b_|| !os_l_)
108 for (char const *cp = s.ch_C (); *cp; cp++)
113 case '(': indent_level_i_ += INDTAB;
120 indent_level_i_ -= INDTAB;
123 assert (indent_level_i_>=0) ;
127 *os_l_ << '\n' << to_str (' ', indent_level_i_) << flush;
137 Dstream::Dstream (ostream *r, char const * cfg_nm)
140 silent_dict_p_ = new Dictionary<bool>;
141 default_silence_b_ = false;
146 char const * fn =cfg_nm ? cfg_nm : ".dstreamrc";
148 ifstream ifs (fn); // can 't open
154 while (!cfg.eof_b ()){
155 Text_record r (cfg++);
158 r.message (_ ("not enough fields in Dstream init"));
161 (*silent_dict_p_)[r[0]] = (bool)(int)(Scalar (r[1]));
164 if ((*silent_dict_p_).elem_b ("Dstream_default_silence"))
165 default_silence_b_ = (*silent_dict_p_)["Dstream_default_silence"];
171 delete silent_dict_p_;
172 assert (!indent_level_i_) ;
176 Dstream::clear_silence()
178 for (Dictionary_iter<bool> i (*silent_dict_p_); i.ok(); i++)