/*
- text-interface.cc -- implement Text_interface
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
-
- (c) 1998--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1998--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
+
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "text-interface.hh"
-
-#include "main.hh"
#include "config.hh"
-#include "pango-font.hh"
-#include "warn.hh"
-#include "grob.hh"
#include "font-interface.hh"
-#include "output-def.hh"
+#include "grob.hh"
+#include "main.hh"
+#include "misc.hh"
#include "modified-font-metric.hh"
+#include "output-def.hh"
+#include "pango-font.hh"
+#include "warn.hh"
+
+static void
+replace_whitespace (string *str)
+{
+ vsize i = 0;
+ vsize n = str->size ();
+
+ while (i < n)
+ {
+ char cur = (*str)[i];
+
+ // avoid the locale-dependent isspace
+ if (cur == '\n' || cur == '\t' || cur == '\v')
+ (*str)[i] = ' ';
+
+ vsize char_len = utf8_char_len (cur);
+
+ i += char_len;
+ }
+}
MAKE_SCHEME_CALLBACK (Text_interface, interpret_string, 3);
SCM
Text_interface::interpret_string (SCM layout_smob,
- SCM props,
- SCM markup)
+ SCM props,
+ SCM markup)
{
LY_ASSERT_SMOB (Output_def, layout_smob, 1);
LY_ASSERT_TYPE (scm_is_string, markup, 3);
string str = ly_scm2string (markup);
Output_def *layout = unsmob_output_def (layout_smob);
Font_metric *fm = select_encoded_font (layout, props);
- return fm->word_stencil (str).smobbed_copy ();
+
+ replace_whitespace (&str);
+
+ /*
+ We want to filter strings with a music font that pass through
+ the text interface. Here the font encoding is checked to see
+ if it matches one of the music font encodings. --pmccarty
+ */
+ SCM encoding = ly_chain_assoc_get (ly_symbol2scm ("font-encoding"),
+ props,
+ SCM_BOOL_F);
+ SCM music_encodings = ly_lily_module_constant ("all-music-font-encodings");
+
+ bool is_music = (scm_memq (encoding, music_encodings) != SCM_BOOL_F);
+ return fm->text_stencil (layout, str, is_music).smobbed_copy ();
}
MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Text_interface, interpret_markup, 3, 0,
- "Convert a text markup into a stencil. "
-"Takes 3 arguments, @var{layout}, @var{props} and @var{markup}. "
-"\n\n"
-"@var{layout} is a @code{\\layout} block; it may be obtained from a grob with "
-"@code{ly:grob-layout}. @var{props} is a alist chain, ie. a list of alists. "
-"This is typically obtained with "
-"@code{(ly:grob-alist-chain (ly:layout-lookup layout 'text-font-defaults))}. "
-"@var{markup} is the markup text to be processed. "
- );
+ "Convert a text markup into a stencil."
+ " Takes three arguments, @var{layout}, @var{props}, and @var{markup}.\n"
+ "\n"
+ "@var{layout} is a @code{\\layout} block; it may be obtained from a grob with"
+ " @code{ly:grob-layout}. @var{props} is an alist chain, i.e. a list of"
+ " alists. This is typically obtained with"
+ " @code{(ly:grob-alist-chain grob (ly:output-def-lookup layout 'text-font-defaults))}."
+ " @var{markup} is the markup text to be processed.");
SCM
Text_interface::interpret_markup (SCM layout_smob, SCM props, SCM markup)
{
SCM func = scm_car (markup);
SCM args = scm_cdr (markup);
if (!is_markup (markup))
- programming_error ("markup head has no markup signature");
+ programming_error ("markup head has no markup signature");
return scm_apply_2 (func, layout_smob, props, args);
}
Text_interface::is_markup (SCM x)
{
return (scm_is_string (x)
- || (scm_is_pair (x)
- && SCM_BOOL_F
- != scm_object_property (scm_car (x),
- ly_symbol2scm ("markup-signature"))));
+ || (scm_is_pair (x)
+ && SCM_BOOL_F
+ != scm_object_property (scm_car (x),
+ ly_symbol2scm ("markup-signature"))));
+}
+
+bool
+Text_interface::is_markup_list (SCM x)
+{
+ SCM music_list_p = ly_lily_module_constant ("markup-list?");
+ return scm_is_true (scm_call_1 (music_list_p, x));
}
ADD_INTERFACE (Text_interface,
- "A scheme markup text, see @usermanref{Text markup} and "
- "@usermanref{New markup command definition}. "
- "\n\n"
- "There are two important commands: ly:text-interface::print, which is a "
- "grob callback, and ly:text-interface::interpret-markup ",
-
- /* props */
- "baseline-skip "
- "text "
- "word-space "
- "text-direction "
- );
+ "A Scheme markup text, see @ruser{Formatting text} and"
+ " @rextend{New markup command definition}.\n"
+ "\n"
+ "There are two important commands:"
+ " @code{ly:text-interface::print}, which is a"
+ " grob callback, and"
+ " @code{ly:text-interface::interpret-markup}.",
+
+ /* properties */
+ "baseline-skip "
+ "text "
+ "word-space "
+ "text-direction "
+ );
projects / lilypond.git / blobdiff