# -*- coding: utf-8 -*-
import re
+import tempfile
+import subprocess
import book_base as BookBase
from book_snippets import *
+import lilylib as ly
+global _;_=ly._
+
# Recognize special sequences in the input.
#
}
+###
+# Retrieve dimensions from texinfo
+TEXINFO_INSPECTION_DOCUMENT = r'''
+\input texinfo
+@setfilename Texinfo_width_test
+@settitle Texinfo width test
+%(preamble)s
+
+@message{Global: textwidth=@the@hsize,exampleindent=@the@lispnarrowing}
+
+@bye
+'''
+
+def get_texinfo_width_indent (source, global_options):
+ #TODO: Check for end of header command "@c %**end of header"
+ # only use material before that comment ?
+
+ # extract all relevant papter settings from the input:
+ pagesize = None
+ texinfo_paper_size_regexp = r'''(@(?:afourpaper|afourwide|afourlatex|afivepaper|smallbook|letterpaper))''';
+ m = re.search (texinfo_paper_size_regexp, source);
+ if m:
+ pagesize = m.group (1)
+
+ relevant_settings_regexp = r'''(@(?:fonttextsize|pagesizes|cropmarks|exampleindent).*)\n''';
+ m = re.findall (relevant_settings_regexp, source);
+ if pagesize:
+ m.insert (0, pagesize);
+ # all relevant options to insert into the test document:
+ preamble = "\n".join (m);
+
+ texinfo_document = TEXINFO_INSPECTION_DOCUMENT % {'preamble': preamble}
+
+ (handle, tmpfile) = tempfile.mkstemp('.texi')
+ outfile = os.path.splitext (tmpfile)[0] + '.pdf'
+
+ tmp_handle = os.fdopen (handle,'w')
+ tmp_handle.write (texinfo_document)
+ tmp_handle.close ()
+
+ # Work around a texi2pdf bug: if LANG=C is not given, a broken regexp is
+ # used to detect relative/absolute pathes, so the absolute path is not
+ # detected as such and this command fails:
+ progress (_ ("Running texi2pdf on file %s to detect default page settings.\n") % tmpfile);
+
+ # execute the command and pipe stdout to the parameter_string:
+ cmd = 'LC_ALL=C %s -c -o %s %s' % (global_options.texinfo_program, outfile, tmpfile);
+ ly.debug_output ("Executing: %s\n" % cmd);
+
+ proc = subprocess.Popen (cmd,
+ universal_newlines=True, shell=True,
+ stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ (parameter_string, error_string) = proc.communicate ()
+ if proc.returncode != 0:
+ warning (_ ("Unable to auto-detect default settings:\n%s")
+ % error_string)
+ os.unlink (tmpfile)
+ if os.path.exists(outfile):
+ os.unlink (outfile)
+
+ # Find textwidth and exampleindent and format it as \\mm or \\in
+ # Use defaults if they cannot be extracted
+ textwidth = 0
+ m = re.search ('textwidth=([0-9.]+)pt', parameter_string)
+ if m:
+ val = float (m.group (1))/72.27
+ if pagesize and pagesize.startswith ("@afour"):
+ textwidth = "%g\\mm" % round (val*25.4, 3);
+ else:
+ textwidth = "%g\\in" % round (val, 3);
+ else:
+ textwidth = texinfo_line_widths.get(pagesize, "6\\in")
+
+ exampleindent = 0
+ m = re.search ('exampleindent=([0-9.]+)pt', parameter_string)
+ if m:
+ val = float (m.group (1))/72.27
+ if pagesize and pagesize.startswith ("@afour"):
+ exampleindent = "%g\\mm" % round (val*25.4, 3);
+ else:
+ exampleindent = "%g\\in" % round (val, 3);
+ else:
+ exampleindent = "0.4\\in"
+
+ retval = {LINE_WIDTH: textwidth, EXAMPLEINDENT: exampleindent}
+ ly.debug_output ("Auto-detected values are: %s\n" % retval);
+ return retval;
+
+
texinfo_lang_re = re.compile ('(?m)^@documentlanguage (.*?)( |$)')
else:
return ''
- def get_line_width (self, source):
- for regex in texinfo_line_widths:
- # FIXME: @layout is usually not in
- # chunk #0:
- #
- # \input texinfo @c -*-texinfo-*-
- #
- # Bluntly search first K items of
- # source.
- # s = chunks[0].replacement_text ()
- if re.search (regex, source[:1024]):
- return texinfo_line_widths[regex]
- return None
+ def init_default_snippet_options (self, source):
+ texinfo_defaults = get_texinfo_width_indent (source, self.global_options);
+ self.default_snippet_options.update (texinfo_defaults)
+ BookBase.BookOutputFormat.init_default_snippet_options (self, source)
def adjust_snippet_command (self, cmd):
if '--formats' not in cmd:
rep['verb'] = snippet.verb_ly ()
substr = self.output[VERBATIM] % rep
substr += self.output_info (basename, snippet)
- if LILYQUOTE in snippet.option_dict:
+ if QUOTE in snippet.option_dict:
substr = self.output[QUOTE] % {'str': substr}
str += substr
-# str += ('@ifinfo\n' + self.output_info () + '\n@end ifinfo\n')
-# str += ('@tex\n' + self.output_latex () + '\n@end tex\n')
-# str += ('@html\n' + self.output_html () + '\n@end html\n')
-
- if QUOTE in snippet.option_dict:
- str = self.output[QUOTE] % {'str': str}
-
# need par after image
str += '\n'