1 # -*- coding: utf-8 -*-
6 import book_base
as BookBase
7 from book_snippets
import *
11 progress
= ly
.progress
15 # Recognize special sequences in the input.
17 # (?P<name>regex) -- Assign result of REGEX to NAME.
18 # *? -- Match non-greedily.
19 # (?!...) -- Match if `...' doesn't match next (without consuming
22 # (?m) -- Multiline regex: Make ^ and $ match at each line.
23 # (?s) -- Make the dot match all characters including newline.
24 # (?x) -- Ignore whitespace in patterns.
26 # 'multiline_comment', 'verbatim', 'lilypond_block', 'singleline_comment',
27 # 'lilypond_file', 'include', 'lilypond', 'lilypondversion'
43 \s*(?P<options>.*?)\s*
52 \\begin\s*(?P<env>{lilypond}\s*)?(
54 \s*(?P<options>.*?)\s*
55 \])?(?(env)|\s*{lilypond})
58 \\end\s*{lilypond})''',
66 \s*(?P<options>.*?)\s*
94 \\end\s*{verbatim}))''',
99 \\lilypondversion)[^a-zA-Z]''',
103 FILTER
: r
'''\begin{lilypond}[%(options)s]
109 \ifx\preLilyPondExample \undefined
111 \expandafter\preLilyPondExample
113 \def\lilypondbook{}%%
114 \input %(base)s-systems.tex
115 \ifx\postLilyPondExample \undefined
117 \expandafter\postLilyPondExample
121 PRINTFILENAME
: '''\\texttt{%(filename)s}
124 QUOTE
: r
'''\begin{quotation}
128 VERBATIM
: r
'''\noindent
129 \begin{verbatim}%(verb)s\end{verbatim}
132 VERSION
: r
'''%(program_version)s''',
140 # Retrieve dimensions from LaTeX
141 LATEX_INSPECTION_DOCUMENT
= r
'''
145 \typeout{textwidth=\the\textwidth}
146 \typeout{columnsep=\the\columnsep}
147 \makeatletter\if@twocolumn\typeout{columns=2}\fi\makeatother
151 # Do we need anything else besides `textwidth'?
152 def get_latex_textwidth (source
, global_options
):
153 m
= re
.search (r
'''(?P<preamble>\\begin\s*{document})''', source
)
155 warning (_ ("cannot find \\begin{document} in LaTeX document"))
157 ## what's a sensible default?
160 preamble
= source
[:m
.start (0)]
161 latex_document
= LATEX_INSPECTION_DOCUMENT
% {'preamble': preamble
}
163 (handle
, tmpfile
) = tempfile
.mkstemp('.tex')
164 logfile
= os
.path
.splitext (tmpfile
)[0] + '.log'
165 logfile
= os
.path
.split (logfile
)[1]
167 tmp_handle
= os
.fdopen (handle
,'w')
168 tmp_handle
.write (latex_document
)
171 ly
.system ('%s %s' % (global_options
.latex_program
, tmpfile
),
172 be_verbose
=global_options
.verbose
)
173 parameter_string
= file (logfile
).read()
179 m
= re
.search ('columns=([0-9.]+)', parameter_string
)
181 columns
= int (m
.group (1))
184 m
= re
.search ('columnsep=([0-9.]+)pt', parameter_string
)
186 columnsep
= float (m
.group (1))
189 m
= re
.search ('textwidth=([0-9.]+)pt', parameter_string
)
191 textwidth
= float (m
.group (1))
193 textwidth
= (textwidth
- columnsep
) / columns
198 def modify_preamble (chunk
):
199 str = chunk
.replacement_text ()
200 if (re
.search (r
"\\begin *{document}", str)
201 and not re
.search ("{graphic[sx]", str)):
202 str = re
.sub (r
"\\begin{document}",
203 r
"\\usepackage{graphics}" + '\n'
204 + r
"\\begin{document}",
206 chunk
.override_text
= str
213 class BookLatexOutputFormat (BookBase
.BookOutputFormat
):
215 BookBase
.BookOutputFormat
.__init
__ (self
)
216 self
.format
= "latex"
217 self
.default_extension
= ".tex"
218 self
.snippet_res
= Latex_snippet_res
219 self
.output
= Latex_output
220 self
.handled_extensions
= ['.latex', '.lytex', '.tex']
221 self
.image_formats
= "ps"
222 self
.snippet_option_separator
= '\s*,\s*'
224 def process_options (self
, global_options
):
225 self
.process_options_pdfnotdefault (global_options
)
227 def get_line_width (self
, source
):
228 textwidth
= get_latex_textwidth (source
, self
.global_options
)
229 return '%.0f\\pt' % textwidth
231 def input_fullname (self
, input_filename
):
232 # Use kpsewhich if available, otherwise fall back to the default:
233 if ly
.search_exe_path ('kpsewhich'):
234 return os
.popen ('kpsewhich ' + input_filename
).read()[:-1]
236 return BookBase
.BookOutputFormat
.input_fullname (self
, input_filename
)
238 def process_chunks (self
, chunks
):
240 if (c
.is_plain () and
241 re
.search (r
"\\begin *{document}", c
.replacement_text())):
246 def snippet_output (self
, basename
, snippet
):
248 rep
= snippet
.get_replacements ();
249 rep
['base'] = basename
250 str += self
.output_print_filename (basename
, snippet
)
251 if VERBATIM
in snippet
.option_dict
:
252 rep
['verb'] = snippet
.verb_ly ()
253 str += self
.output
[VERBATIM
] % rep
255 str += self
.output
[OUTPUT
] % rep
257 ## todo: maintain breaks
259 breaks
= snippet
.ly ().count ("\n")
260 str += "".ljust (breaks
, "\n").replace ("\n","%\n")
262 if QUOTE
in snippet
.option_dict
:
263 str = self
.output
[QUOTE
] % {'str': str}
269 BookBase
.register_format (BookLatexOutputFormat ());