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Ripped out the old conversion.
This commit is contained in:
Fred Drake
parent
865e9ff98e
commit
eac8abee4e
1 changed files with 7 additions and 367 deletions
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@ -135,239 +135,6 @@ class BaseConversion:
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class Conversion(BaseConversion):
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def subconvert(self, endchar=None, depth=0):
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stack = self.stack
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line = self.line
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while line:
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if line[0] == endchar and not stack:
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self.line = line
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return line
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m = _comment_rx.match(line)
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if m:
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text = m.group(1)
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if text:
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self.write("(COMMENT\n- %s \n)COMMENT\n-\\n\n"
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% encode(text))
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line = line[m.end():]
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continue
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m = _begin_env_rx.match(line)
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if m:
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# re-write to use the macro handler
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line = r"\%s %s" % (m.group(1), line[m.end():])
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continue
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m = _end_env_rx.match(line)
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if m:
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# end of environment
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envname = m.group(1)
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if envname == "document":
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# special magic
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for n in stack[1:]:
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if n not in self.autoclosing:
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self.err_write(stack)
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raise LaTeXFormatError(
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"open element on stack: " + `n`)
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self.write(")document\n")
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elif stack and envname == stack[-1]:
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self.write(")%s\n" % envname)
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del stack[-1]
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popping(envname, "a", len(stack) + depth)
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else:
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raise LaTeXStackError(envname, stack)
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line = line[m.end():]
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continue
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m = _begin_macro_rx.match(line)
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if m:
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# start of macro
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macroname = m.group(1)
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if macroname == "verbatim":
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# really magic case!
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pos = string.find(line, "\\end{verbatim}")
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text = line[m.end(1):pos]
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self.write("(verbatim\n")
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self.write("-%s\n" % encode(text))
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self.write(")verbatim\n")
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line = line[pos + len("\\end{verbatim}"):]
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continue
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numbered = 1
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opened = 0
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if macroname[-1] == "*":
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macroname = macroname[:-1]
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numbered = 0
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if macroname in self.autoclosing and macroname in stack:
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while stack[-1] != macroname:
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top = stack.pop()
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if top and top not in self.discards:
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self.write(")%s\n-\\n\n" % top)
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popping(top, "b", len(stack) + depth)
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if macroname not in self.discards:
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self.write("-\\n\n)%s\n-\\n\n" % macroname)
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popping(macroname, "c", len(stack) + depth - 1)
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del stack[-1]
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#
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if macroname in self.discards:
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self.push_output(StringIO.StringIO())
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else:
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self.push_output(self.ofp)
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#
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params, optional, empty, environ = self.start_macro(macroname)
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if not numbered:
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self.write("Anumbered TOKEN no\n")
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# rip off the macroname
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if params:
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line = line[m.end(1):]
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elif empty:
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line = line[m.end(1):]
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else:
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line = line[m.end():]
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#
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# Very ugly special case to deal with \item[]. The catch
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# is that this needs to occur outside the for loop that
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# handles attribute parsing so we can 'continue' the outer
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# loop.
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#
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if optional and type(params[0]) is TupleType:
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# the attribute name isn't used in this special case
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stack.append(macroname)
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self.write("(%s\n" % macroname)
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m = _start_optional_rx.match(line)
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if m:
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self.line = line[m.end():]
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line = self.subconvert("]", depth + len(stack))
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line = "}" + line
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continue
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# handle attribute mappings here:
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for attrname in params:
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if optional:
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optional = 0
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if type(attrname) is StringType:
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m = _optional_rx.match(line)
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if m:
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line = line[m.end():]
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self.write("A%s TOKEN %s\n"
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% (attrname, encode(m.group(1))))
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elif type(attrname) is TupleType:
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# This is a sub-element; but place the and attribute
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# we found on the stack (\section-like); the
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# content of the macro will become the content
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# of the attribute element, and the macro will
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# have to be closed some other way (such as
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# auto-closing).
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stack.append(macroname)
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self.write("(%s\n" % macroname)
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macroname = attrname[0]
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m = _start_group_rx.match(line)
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if m:
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line = line[m.end():]
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elif type(attrname) is ListType:
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# A normal subelement: <macroname><attrname>...</>...
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attrname = attrname[0]
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if not opened:
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opened = 1
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self.write("(%s\n" % macroname)
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pushing(macroname, "c", len(stack) + depth)
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self.write("(%s\n" % attrname)
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pushing(attrname, "sub-elem", len(stack) + depth + 1)
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self.line = skip_white(line)[1:]
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line = self.subconvert("}", len(stack) + depth + 1)[1:]
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popping(attrname, "sub-elem", len(stack) + depth + 1)
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self.write(")%s\n" % attrname)
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else:
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m = _parameter_rx.match(line)
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if not m:
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raise LaTeXFormatError(
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"could not extract parameter %s for %s: %s"
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% (attrname, macroname, `line[:100]`))
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value = m.group(1)
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if _token_rx.match(value):
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dtype = "TOKEN"
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else:
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dtype = "CDATA"
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self.write("A%s %s %s\n"
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% (attrname, dtype, encode(value)))
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line = line[m.end():]
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if params and type(params[-1]) is StringType \
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and (not empty) and not environ:
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# attempt to strip off next '{'
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m = _start_group_rx.match(line)
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if not m:
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raise LaTeXFormatError(
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"non-empty element '%s' has no content: %s"
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% (macroname, line[:12]))
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line = line[m.end():]
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if not opened:
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self.write("(%s\n" % macroname)
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pushing(macroname, "d", len(stack) + depth)
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if empty:
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line = "}" + line
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stack.append(macroname)
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self.pop_output()
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continue
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if line[0] == endchar and not stack:
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self.line = line[1:]
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return self.line
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if line[0] == "}":
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# end of macro or group
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macroname = stack[-1]
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conversion = self.table.get(macroname)
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if macroname \
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and macroname not in self.discards \
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and type(conversion) is not StringType:
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# otherwise, it was just a bare group
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self.write(")%s\n" % stack[-1])
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popping(macroname, "d", len(stack) + depth - 1)
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del stack[-1]
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line = line[1:]
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continue
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if line[0] == "{":
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pushing("", "e", len(stack) + depth)
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stack.append("")
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line = line[1:]
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continue
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if line[0] == "\\" and line[1] in ESCAPED_CHARS:
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self.write("-%s\n" % encode(line[1]))
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line = line[2:]
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continue
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if line[:2] == r"\\":
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self.write("(BREAK\n)BREAK\n")
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line = line[2:]
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continue
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m = _text_rx.match(line)
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if m:
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text = encode(m.group())
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self.write("-%s\n" % text)
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line = line[m.end():]
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continue
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# special case because of \item[]
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if line[0] == "]":
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self.write("-]\n")
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line = line[1:]
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continue
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# avoid infinite loops
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extra = ""
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if len(line) > 100:
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extra = "..."
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raise LaTeXFormatError("could not identify markup: %s%s"
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% (`line[:100]`, extra))
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while stack and stack[-1] in self.autoclosing:
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self.write("-\\n\n")
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self.write(")%s\n" % stack[-1])
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popping(stack.pop(), "e", len(stack) + depth - 1)
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if stack:
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raise LaTeXFormatError("elements remain on stack: "
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+ string.join(stack, ", "))
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# otherwise we just ran out of input here...
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def start_macro(self, name):
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conversion = self.table.get(name, ([], 0, 0, 0, 0))
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params, optional, empty, environ, nocontent = conversion
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if empty:
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self.write("e\n")
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elif nocontent:
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empty = 1
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return params, optional, empty, environ
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class NewConversion(BaseConversion):
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def __init__(self, ifp, ofp, table={}):
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BaseConversion.__init__(self, ifp, ofp, table)
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self.discards = []
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@ -635,17 +402,8 @@ class NewConversion(BaseConversion):
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self.write("A%s %s %s\n" % (pentry.name, dtype, encode(value)))
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def old_convert(ifp, ofp, table={}, discards=(), autoclosing=()):
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c = Conversion(ifp, ofp, table, discards, autoclosing)
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try:
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c.convert()
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except IOError, (err, msg):
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if err != errno.EPIPE:
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raise
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def new_convert(ifp, ofp, table={}, discards=(), autoclosing=()):
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c = NewConversion(ifp, ofp, table)
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def convert(ifp, ofp, table):
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c = Conversion(ifp, ofp, table)
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try:
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c.convert()
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except IOError, (err, msg):
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@ -768,17 +526,9 @@ def load_table(fp):
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def main():
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global DEBUG
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#
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convert = new_convert
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newstyle = 1
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opts, args = getopt.getopt(sys.argv[1:], "Dn", ["debug", "new"])
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opts, args = getopt.getopt(sys.argv[1:], "D", ["debug"])
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for opt, arg in opts:
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if opt in ("-n", "--new"):
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convert = new_convert
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newstyle = 1
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elif opt in ("-o", "--old"):
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convert = old_convert
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newstyle = 0
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elif opt in ("-D", "--debug"):
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if opt in ("-D", "--debug"):
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DEBUG = DEBUG + 1
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if len(args) == 0:
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ifp = sys.stdin
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@ -792,119 +542,9 @@ def main():
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else:
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usage()
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sys.exit(2)
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table = {
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# entries have the form:
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# name: ([attribute names], is1stOptional, isEmpty, isEnv, nocontent)
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# attribute names can be:
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# "string" -- normal attribute
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# ("string",) -- sub-element with content of macro; like for \section
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# ["string"] -- sub-element
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"bifuncindex": (["name"], 0, 1, 0, 0),
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"cfuncdesc": (["type", "name", ("args",)], 0, 0, 1, 0),
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"chapter": ([("title",)], 0, 0, 0, 0),
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"chapter*": ([("title",)], 0, 0, 0, 0),
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"classdesc": (["name", ("args",)], 0, 0, 1, 0),
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"ctypedesc": (["name"], 0, 0, 1, 0),
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"cvardesc": (["type", "name"], 0, 0, 1, 0),
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"datadesc": (["name"], 0, 0, 1, 0),
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"declaremodule": (["id", "type", "name"], 1, 1, 0, 0),
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"deprecated": (["release"], 0, 0, 0, 0),
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"documentclass": (["classname"], 0, 1, 0, 0),
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"excdesc": (["name"], 0, 0, 1, 0),
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"funcdesc": (["name", ("args",)], 0, 0, 1, 0),
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"funcdescni": (["name", ("args",)], 0, 0, 1, 0),
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"funcline": (["name"], 0, 0, 0, 0),
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"funclineni": (["name"], 0, 0, 0, 0),
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"geq": ([], 0, 1, 0, 0),
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"hline": ([], 0, 1, 0, 0),
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"include": (["source"], 0, 1, 0, 0),
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"indexii": (["ie1", "ie2"], 0, 1, 0, 0),
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"indexiii": (["ie1", "ie2", "ie3"], 0, 1, 0, 0),
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"indexiv": (["ie1", "ie2", "ie3", "ie4"], 0, 1, 0, 0),
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"indexname": ([], 0, 0, 0, 0),
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"input": (["source"], 0, 1, 0, 0),
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"item": ([("leader",)], 1, 0, 0, 0),
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"label": (["id"], 0, 1, 0, 0),
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"labelwidth": ([], 0, 1, 0, 0),
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"large": ([], 0, 1, 0, 0),
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"LaTeX": ([], 0, 1, 0, 0),
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"leftmargin": ([], 0, 1, 0, 0),
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"leq": ([], 0, 1, 0, 0),
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"lineii": ([["entry"], ["entry"]], 0, 0, 0, 1),
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"lineiii": ([["entry"], ["entry"], ["entry"]], 0, 0, 0, 1),
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"lineiv": ([["entry"], ["entry"], ["entry"], ["entry"]], 0, 0, 0, 1),
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"localmoduletable": ([], 0, 1, 0, 0),
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"makeindex": ([], 0, 1, 0, 0),
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"makemodindex": ([], 0, 1, 0, 0),
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"maketitle": ([], 0, 1, 0, 0),
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"manpage": (["name", "section"], 0, 1, 0, 0),
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"memberdesc": (["class", "name"], 1, 0, 1, 0),
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"memberdescni": (["class", "name"], 1, 0, 1, 0),
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"methoddesc": (["class", "name", ("args",)], 1, 0, 1, 0),
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"methoddescni": (["class", "name", ("args",)], 1, 0, 1, 0),
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"methodline": (["class", "name"], 1, 0, 0, 0),
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"methodlineni": (["class", "name"], 1, 0, 0, 0),
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"moduleauthor": (["name", "email"], 0, 1, 0, 0),
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"opcodedesc": (["name", "var"], 0, 0, 1, 0),
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"par": ([], 0, 1, 0, 0),
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"paragraph": ([("title",)], 0, 0, 0, 0),
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"refbimodindex": (["name"], 0, 1, 0, 0),
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"refexmodindex": (["name"], 0, 1, 0, 0),
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"refmodindex": (["name"], 0, 1, 0, 0),
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"refstmodindex": (["name"], 0, 1, 0, 0),
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"refmodule": (["ref"], 1, 0, 0, 0),
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"renewcommand": (["macro"], 0, 0, 0, 0),
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"rfc": (["num"], 0, 1, 0, 0),
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"section": ([("title",)], 0, 0, 0, 0),
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"sectionauthor": (["name", "email"], 0, 1, 0, 0),
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"seemodule": (["ref", "name"], 1, 0, 0, 0),
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"stindex": (["type"], 0, 1, 0, 0),
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"subparagraph": ([("title",)], 0, 0, 0, 0),
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"subsection": ([("title",)], 0, 0, 0, 0),
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"subsubsection": ([("title",)], 0, 0, 0, 0),
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"list": (["bullet", "init"], 0, 0, 1, 0),
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"tableii": (["colspec", "style",
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["entry"], ["entry"]], 0, 0, 1, 0),
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"tableiii": (["colspec", "style",
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["entry"], ["entry"], ["entry"]], 0, 0, 1, 0),
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"tableiv": (["colspec", "style",
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["entry"], ["entry"], ["entry"], ["entry"]], 0, 0, 1, 0),
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"version": ([], 0, 1, 0, 0),
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"versionadded": (["version"], 0, 1, 0, 0),
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"versionchanged": (["version"], 0, 1, 0, 0),
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"withsubitem": (["text"], 0, 0, 0, 0),
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#
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"ABC": ([], 0, 1, 0, 0),
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"ASCII": ([], 0, 1, 0, 0),
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"C": ([], 0, 1, 0, 0),
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"Cpp": ([], 0, 1, 0, 0),
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"EOF": ([], 0, 1, 0, 0),
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"e": ([], 0, 1, 0, 0),
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"ldots": ([], 0, 1, 0, 0),
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"NULL": ([], 0, 1, 0, 0),
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"POSIX": ([], 0, 1, 0, 0),
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"UNIX": ([], 0, 1, 0, 0),
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#
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# Things that will actually be going away!
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#
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"appendix": ([], 0, 1, 0, 0),
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"catcode": ([], 0, 1, 0, 0),
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"fi": ([], 0, 1, 0, 0),
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"ifhtml": ([], 0, 1, 0, 0),
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"makeindex": ([], 0, 1, 0, 0),
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"makemodindex": ([], 0, 1, 0, 0),
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"maketitle": ([], 0, 1, 0, 0),
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"noindent": ([], 0, 1, 0, 0),
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"protect": ([], 0, 1, 0, 0),
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"tableofcontents": ([], 0, 1, 0, 0),
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}
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if newstyle:
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table = load_table(open(os.path.join(sys.path[0], 'conversion.xml')))
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convert(ifp, ofp, table,
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discards=["fi", "ifhtml", "makeindex", "makemodindex", "maketitle",
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"noindent", "tableofcontents"],
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autoclosing=["chapter", "section", "subsection", "subsubsection",
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"paragraph", "subparagraph", ])
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table = load_table(open(os.path.join(sys.path[0], 'conversion.xml')))
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convert(ifp, ofp, table)
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if __name__ == "__main__":
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