2 paper-outputter.cc -- implement Paper_outputter
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 Jan Nieuwenhuizen <janneke@gnu.org>
10 #include "paper-outputter.hh"
15 #include "dimensions.hh"
16 #include "file-name.hh"
17 #include "font-metric.hh"
18 #include "input-smob.hh"
19 #include "lily-version.hh"
20 #include "ly-module.hh"
22 #include "output-def.hh"
23 #include "paper-book.hh"
24 #include "paper-system.hh"
25 #include "scm-hash.hh"
26 #include "string-convert.hh"
29 #include "ly-smobs.icc"
31 Paper_outputter::Paper_outputter (String file_name, String format)
34 output_module_ = SCM_EOL;
37 file_name_ = file_name;
38 String module_name = "scm output-" + format;
39 output_module_ = scm_c_resolve_module (module_name.to_str0 ());
42 Paper_outputter::~Paper_outputter ()
47 IMPLEMENT_SMOBS (Paper_outputter);
48 IMPLEMENT_DEFAULT_EQUAL_P (Paper_outputter);
51 Paper_outputter::mark_smob (SCM x)
53 Paper_outputter *p = (Paper_outputter*) SCM_CELL_WORD_1(x);
54 scm_gc_mark (p->output_module_);
59 Paper_outputter::print_smob (SCM x, SCM p, scm_print_state*)
62 scm_puts ("#<Paper_outputter>", p);
67 Paper_outputter::file ()
70 if (file_name_ == "-")
71 file_ = scm_current_output_port();
73 file_ = scm_open_file (scm_makfrom0str (file_name_.to_str0 ()),
74 scm_makfrom0str ("w"));
79 Paper_outputter::dump_string (SCM scm)
81 return scm_display (scm, file ());
85 Paper_outputter::scheme_to_string (SCM scm)
87 return scm_eval (scm, output_module_);
91 Paper_outputter::output_scheme (SCM scm)
93 dump_string (scheme_to_string (scm));
97 paper_outputter_dump (void *po, SCM x)
99 Paper_outputter *me = (Paper_outputter*) po;
100 me->output_scheme (x);
104 Paper_outputter::output_stencil (Stencil stil)
106 interpret_stencil_expression (stil.expr (), paper_outputter_dump,
107 (void*) this, Offset (0,0));
110 LY_DEFINE (ly_make_paper_outputter, "ly:make-paper-outputter",
111 2, 0, 0, (SCM outname, SCM format),
112 "Create an outputter that evaluates within "
113 "@code{output-}@var{format}, writing to file @var{outname}.")
115 SCM_ASSERT_TYPE(scm_is_string (outname), outname, SCM_ARG1, __FUNCTION__,
117 SCM_ASSERT_TYPE(scm_is_string (format), format, SCM_ARG2, __FUNCTION__,
120 String outname_str = ly_scm2string (outname);
121 String f = ly_scm2string (format);
123 progress_indication (_f ("Layout output to `%s'...",
125 ? String ("<stdout>")
127 progress_indication ("\n");
128 Paper_outputter *po = new Paper_outputter (outname_str, f);
130 scm_gc_unprotect_object (po->self_scm ());
131 return po->self_scm ();
134 /* FIXME: why is output_* wrapper called dump? */
135 LY_DEFINE (ly_outputter_dump_stencil, "ly:outputter-dump-stencil",
136 2, 0, 0, (SCM outputter, SCM stencil),
137 "Dump stencil @var{expr} onto @var{outputter}.")
139 Paper_outputter *po = unsmob_outputter (outputter);
140 Stencil *st = unsmob_stencil (stencil);
141 SCM_ASSERT_TYPE (po, outputter, SCM_ARG1, __FUNCTION__, "Paper_outputter");
142 SCM_ASSERT_TYPE (st, stencil, SCM_ARG1, __FUNCTION__, "Paper_outputter");
143 po->output_stencil (*st);
144 return SCM_UNSPECIFIED;
147 LY_DEFINE (ly_outputter_dump_string, "ly:outputter-dump-string",
148 2, 0, 0, (SCM outputter, SCM str),
149 "Dump @var{str} onto @var{outputter}.")
151 Paper_outputter *po = unsmob_outputter (outputter);
152 SCM_ASSERT_TYPE (po, outputter, SCM_ARG1, __FUNCTION__, "Paper_outputter");
153 SCM_ASSERT_TYPE (scm_is_string (str), str, SCM_ARG1, __FUNCTION__, "Paper_outputter");
155 return po->dump_string (str);
159 LY_DEFINE (ly_outputter_close, "ly:outputter-close",
160 1, 0, 0, (SCM outputter),
161 "Close port of @var{outputter}.")
163 Paper_outputter *po = unsmob_outputter (outputter);
164 SCM_ASSERT_TYPE (po, outputter, SCM_ARG1, __FUNCTION__, "Paper_outputter");
167 return SCM_UNSPECIFIED;
171 Paper_outputter::close ()
173 if (scm_port_p (file_) == SCM_BOOL_T)
174 scm_close_port (file_);