source file of the GNU LilyPond music typesetter
- (c) 1998--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1998--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "output-def.hh"
#include "modified-font-metric.hh"
+static void
+replace_whitespace (string *str)
+{
+ vsize i = 0;
+ vsize n = str->size ();
+
+ while (i < n)
+ {
+ vsize char_len = 1;
+ char cur = (*str)[i];
+
+ // U+10000 - U+10FFFF
+ if ((cur & 0x11110000) == 0x11110000)
+ char_len = 4;
+ // U+0800 - U+FFFF
+ else if ((cur & 0x11100000) == 0x11100000)
+ char_len = 3;
+ // U+0080 - U+07FF
+ else if ((cur & 0x11000000) == 0x11000000)
+ char_len = 2;
+ else if (cur & 0x10000000)
+ programming_error ("invalid utf-8 string");
+ else
+ // avoid the locale-dependent isspace
+ if (cur == '\n' || cur == '\t' || cur == '\v')
+ (*str)[i] = ' ';
+
+ i += char_len;
+ }
+}
+
MAKE_SCHEME_CALLBACK (Text_interface, interpret_string, 3);
SCM
Text_interface::interpret_string (SCM layout_smob,
string str = ly_scm2string (markup);
Output_def *layout = unsmob_output_def (layout_smob);
Font_metric *fm = select_encoded_font (layout, props);
+
+ replace_whitespace (&str);
return fm->word_stencil (str).smobbed_copy ();
}
" 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 a alist chain, ie. a list of alists."
-" This is typically obtained 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 (ly:layout-lookup layout 'text-font-defaults))}."
" @var{markup} is the markup text to be processed.");
SCM
ADD_INTERFACE (Text_interface,
- "A scheme markup text, see @ruser{Text markup} and "
- "@ruser{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 */
+ "A Scheme markup text, see @ruser{Formatting text} and"
+ " @ruser{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 "