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lyx2lyx is now a frontend to the LyX module.

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The code in LyX was refactorized and now we have two different classes that
derive from a base class. One for new files and the other for existing files.
New class for paragraphs. New code to return the toc of a file.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9092 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
José Matox 2004-10-16 22:56:10 +00:00
parent 3459c60293
commit 3c84dfb21e
3 changed files with 179 additions and 11 deletions
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14
lib/lyx2lyx/ChangeLog
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@ -1,3 +1,14 @@
2004-10-17 José Matos <jamatos@lyx.org>
* lyx2lyx: moved code to LyX module making effectively lyx2lyx and
interface to the LyX module.
* LyX.py: white space changes. New class that serves as the basis
to two derived classes. One for reading and another for new files.
New function get_toc, to be used in Doc_toc.py in the
documentation directory.
New class paragraph, to read paragraphs from the lyx file.
2004-10-10 José Matos <jamatos@lyx.org>
* .cvsignore: add entries related with profiling lyx2lyx.
@ -9,7 +20,9 @@
* LyX.py: add support for format 237, fix variables type,
new function formats_list().
* lyx2lyx: print list of available formats on request.
* lyx_1_4.py: add support for 237, reorganize directory functions.
2004-09-29 José Matos <jamatos@lyx.org>
@ -20,6 +33,7 @@
* lyx_1_4.py (convert_ertbackslash): insert the new line after the
backslash, this did only work by accident in most cases
* lyx_1_4.py: unify warning messages
2004-08-19 José Matos <jamatos@lyx.org>

166
lib/lyx2lyx/LyX.py
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@ -16,7 +16,7 @@
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
from parser_tools import get_value, check_token, find_token
from parser_tools import get_value, check_token, find_token, find_tokens, find_end_of, find_end_of_inset
import os.path
import gzip
import sys
@ -69,7 +69,7 @@ def get_backend(textclass):
##
# Class
#
class FileInfo:
class LyX_Base:
"""This class carries all the information of the LyX file."""
def __init__(self, end_format = 0, input = "", output = "", error = "", debug = default_debug_level):
if input and input != '-':
@ -97,17 +97,19 @@ class FileInfo:
self.textclass = "article"
self.header = []
self.body = []
self.read()
def warning(self, message, debug_level= default_debug_level):
if debug_level <= self.debug:
self.err.write(message + "\n")
def error(self, message):
self.warning(message)
self.warning("Quiting.")
sys.exit(1)
def read(self):
"""Reads a file into the self.header and self.body parts"""
preamble = 0
@ -153,6 +155,7 @@ class FileInfo:
self.language = "english"
self.initial_version = self.read_version()
def write(self):
self.set_version()
self.set_format()
@ -175,6 +178,7 @@ class FileInfo:
except:
return open(file)
def lyxformat(self, format):
result = format_re.match(format)
if result:
@ -188,6 +192,7 @@ class FileInfo:
self.error(str(format) + ": " + "Format not supported.")
return None
def read_version(self):
for line in self.header:
if line[0] != "#":
@ -198,11 +203,13 @@ class FileInfo:
return result.group(1)
return None
def set_version(self):
self.header[0] = "#LyX %s created this file. For more info see http://www.lyx.org/" % version
if self.header[1][0] == '#':
del self.header[1]
def read_format(self):
for line in self.header:
result = fileformat.match(line)
@ -222,6 +229,24 @@ class FileInfo:
self.header[i] = "\\lyxformat %s" % format
def set_parameter(self, param, value):
i = find_token(self.header, '\\' + param, 0)
if i == -1:
self.warning(3, 'Parameter not found in the header: %s' % param)
return
self.header[i] = '\\%s %s' % (param, str(value))
def convert(self):
"Convert from old to new format."
mode, convertion_chain = self.chain()
self.warning("convertion chain: " + str(convertion_chain), 3)
for step in convertion_chain:
convert_step = getattr(__import__("lyx_" + step), mode)
convert_step(self)
def chain(self):
""" This is where all the decisions related with the convertion are taken"""
@ -281,3 +306,138 @@ class FileInfo:
steps.pop()
return mode, steps
def get_toc(self, depth = 4):
" Returns the TOC of a lyx document."
paragraphs_filter = {'Title' : 0,'Chapter' : 1, 'Section' : 2, 'Subsection' : 3, 'Subsubsection': 4}
allowed_insets = ['Quotes']
sections = []
for section in paragraphs_filter.keys():
sections.append('\\begin_layout %s' % section)
toc_par = []
i = 0
while 1:
i = find_tokens(self.body, sections, i)
if i == -1:
break
j = find_end_of(self.body, i + 1, '\\begin_layout', '\\end_layout')
if j == -1:
self.warning('Incomplete file.', 0)
break
section = string.split(self.body[i])[1]
if section[-1] == '*':
section = section[:-1]
par = []
k = i + 1
# skip paragraph parameters
while not self.body[k] or self.body[k][0] == '\\':
k = k +1
while k < j:
if check_token(self.body[k], '\\begin_inset'):
inset = string.split(self.body[k])[1]
end = find_end_of_inset(self.body, k)
if end == -1 or end > j:
self.warning('Malformed file.', 0)
if inset in allowed_insets:
par.extend(self.body[k: end+1])
k = end + 1
else:
par.append(self.body[k])
k = k + 1
# trim empty lines in the end.
while string.strip(par[-1]) == '' and par:
par.pop()
toc_par.append(Paragraph(section, par))
i = j + 1
return toc_par
class File(LyX_Base):
def __init__(self, end_format = 0, input = "", output = "", error = "", debug = default_debug_level):
LyX_Base.__init__(self, end_format, input, output, error, debug)
self.read()
class NewFile(LyX_Base):
def set_header(self, **params):
# set default values
self.header.extend([
"#LyX xxxx created this file. For more info see http://www.lyx.org/",
"\\lyxformat xxx",
"\\begin_document",
"\\begin_header",
"\\textclass article",
"\\language english",
"\\inputencoding auto",
"\\fontscheme default",
"\\graphics default",
"\\paperfontsize default",
"\\papersize default",
"\\paperpackage none",
"\\use_geometry false",
"\\use_amsmath 1",
"\\cite_engine basic",
"\\use_bibtopic false",
"\\paperorientation portrait",
"\\secnumdepth 3",
"\\tocdepth 3",
"\\paragraph_separation indent",
"\\defskip medskip",
"\\quotes_language english",
"\\quotes_times 2",
"\\papercolumns 1",
"\\papersides 1",
"\\paperpagestyle default",
"\\tracking_changes false",
"\\end_header"])
self.format = get_end_format()
for param in params:
self.set_parameter(param, params[param])
def set_body(self, paragraphs):
self.body.extend(['\\begin_body',''])
for par in paragraphs:
self.body.extend(par.asLines())
self.body.extend(['','\\end_body', '\\end_document'])
class Paragraph:
def __init__(self, name, body=[], settings = [], child = []):
self.name = name
self.body = body
self.settings = settings
self.child = child
def asLines(self):
result = ['','\\begin_layout %s' % self.name]
result.extend(self.settings)
result.append('')
result.extend(self.body)
result.append('\\end_layout')
if not self.child:
return result
result.append('\\begin_deeper')
for node in self.child:
result.extend(node.asLines())
result.append('\\end_deeper')
return result

10
lib/lyx2lyx/lyx2lyx
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@ -75,15 +75,9 @@ def parse_options(argv):
def main(argv):
end_format, input, output, error, debug = parse_options(argv)
file = LyX.FileInfo(end_format, input, output, error, debug)
mode, convertion_chain = file.chain()
file.warning("convertion chain: " + str(convertion_chain), 3)
for step in convertion_chain:
convert = getattr(__import__("lyx_" + step), mode)
convert(file)
file = LyX.File(end_format, input, output, error, debug)
file.convert()
file.write()
if __name__ == "__main__":