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Commit f97ffcfe authored by Fred Drake's avatar Fred Drake
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Ripped out the old conversion.

parent 6c8bb9f0
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Showing with 7 additions and 367 deletions
Doc/tools/sgmlconv/latex2esis.py
View file @ f97ffcfe
......@@ -135,239 +135,6 @@ class BaseConversion:
class Conversion(BaseConversion):
def subconvert(self, endchar=None, depth=0):
stack = self.stack
line = self.line
while line:
if line[0] == endchar and not stack:
self.line = line
return line
m = _comment_rx.match(line)
if m:
text = m.group(1)
if text:
self.write("(COMMENT\n- %s \n)COMMENT\n-\\n\n"
% encode(text))
line = line[m.end():]
continue
m = _begin_env_rx.match(line)
if m:
# re-write to use the macro handler
line = r"\%s %s" % (m.group(1), line[m.end():])
continue
m = _end_env_rx.match(line)
if m:
# end of environment
envname = m.group(1)
if envname == "document":
# special magic
for n in stack[1:]:
if n not in self.autoclosing:
self.err_write(stack)
raise LaTeXFormatError(
"open element on stack: " + `n`)
self.write(")document\n")
elif stack and envname == stack[-1]:
self.write(")%s\n" % envname)
del stack[-1]
popping(envname, "a", len(stack) + depth)
else:
raise LaTeXStackError(envname, stack)
line = line[m.end():]
continue
m = _begin_macro_rx.match(line)
if m:
# start of macro
macroname = m.group(1)
if macroname == "verbatim":
# really magic case!
pos = string.find(line, "\\end{verbatim}")
text = line[m.end(1):pos]
self.write("(verbatim\n")
self.write("-%s\n" % encode(text))
self.write(")verbatim\n")
line = line[pos + len("\\end{verbatim}"):]
continue
numbered = 1
opened = 0
if macroname[-1] == "*":
macroname = macroname[:-1]
numbered = 0
if macroname in self.autoclosing and macroname in stack:
while stack[-1] != macroname:
top = stack.pop()
if top and top not in self.discards:
self.write(")%s\n-\\n\n" % top)
popping(top, "b", len(stack) + depth)
if macroname not in self.discards:
self.write("-\\n\n)%s\n-\\n\n" % macroname)
popping(macroname, "c", len(stack) + depth - 1)
del stack[-1]
#
if macroname in self.discards:
self.push_output(StringIO.StringIO())
else:
self.push_output(self.ofp)
#
params, optional, empty, environ = self.start_macro(macroname)
if not numbered:
self.write("Anumbered TOKEN no\n")
# rip off the macroname
if params:
line = line[m.end(1):]
elif empty:
line = line[m.end(1):]
else:
line = line[m.end():]
#
# Very ugly special case to deal with \item[]. The catch
# is that this needs to occur outside the for loop that
# handles attribute parsing so we can 'continue' the outer
# loop.
#
if optional and type(params[0]) is TupleType:
# the attribute name isn't used in this special case
stack.append(macroname)
self.write("(%s\n" % macroname)
m = _start_optional_rx.match(line)
if m:
self.line = line[m.end():]
line = self.subconvert("]", depth + len(stack))
line = "}" + line
continue
# handle attribute mappings here:
for attrname in params:
if optional:
optional = 0
if type(attrname) is StringType:
m = _optional_rx.match(line)
if m:
line = line[m.end():]
self.write("A%s TOKEN %s\n"
% (attrname, encode(m.group(1))))
elif type(attrname) is TupleType:
# This is a sub-element; but place the and attribute
# we found on the stack (\section-like); the
# content of the macro will become the content
# of the attribute element, and the macro will
# have to be closed some other way (such as
# auto-closing).
stack.append(macroname)
self.write("(%s\n" % macroname)
macroname = attrname[0]
m = _start_group_rx.match(line)
if m:
line = line[m.end():]
elif type(attrname) is ListType:
# A normal subelement: <macroname><attrname>...</>...
attrname = attrname[0]
if not opened:
opened = 1
self.write("(%s\n" % macroname)
pushing(macroname, "c", len(stack) + depth)
self.write("(%s\n" % attrname)
pushing(attrname, "sub-elem", len(stack) + depth + 1)
self.line = skip_white(line)[1:]
line = self.subconvert("}", len(stack) + depth + 1)[1:]
popping(attrname, "sub-elem", len(stack) + depth + 1)
self.write(")%s\n" % attrname)
else:
m = _parameter_rx.match(line)
if not m:
raise LaTeXFormatError(
"could not extract parameter %s for %s: %s"
% (attrname, macroname, `line[:100]`))
value = m.group(1)
if _token_rx.match(value):
dtype = "TOKEN"
else:
dtype = "CDATA"
self.write("A%s %s %s\n"
% (attrname, dtype, encode(value)))
line = line[m.end():]
if params and type(params[-1]) is StringType \
and (not empty) and not environ:
# attempt to strip off next '{'
m = _start_group_rx.match(line)
if not m:
raise LaTeXFormatError(
"non-empty element '%s' has no content: %s"
% (macroname, line[:12]))
line = line[m.end():]
if not opened:
self.write("(%s\n" % macroname)
pushing(macroname, "d", len(stack) + depth)
if empty:
line = "}" + line
stack.append(macroname)
self.pop_output()
continue
if line[0] == endchar and not stack:
self.line = line[1:]
return self.line
if line[0] == "}":
# end of macro or group
macroname = stack[-1]
conversion = self.table.get(macroname)
if macroname \
and macroname not in self.discards \
and type(conversion) is not StringType:
# otherwise, it was just a bare group
self.write(")%s\n" % stack[-1])
popping(macroname, "d", len(stack) + depth - 1)
del stack[-1]
line = line[1:]
continue
if line[0] == "{":
pushing("", "e", len(stack) + depth)
stack.append("")
line = line[1:]
continue
if line[0] == "\\" and line[1] in ESCAPED_CHARS:
self.write("-%s\n" % encode(line[1]))
line = line[2:]
continue
if line[:2] == r"\\":
self.write("(BREAK\n)BREAK\n")
line = line[2:]
continue
m = _text_rx.match(line)
if m:
text = encode(m.group())
self.write("-%s\n" % text)
line = line[m.end():]
continue
# special case because of \item[]
if line[0] == "]":
self.write("-]\n")
line = line[1:]
continue
# avoid infinite loops
extra = ""
if len(line) > 100:
extra = "..."
raise LaTeXFormatError("could not identify markup: %s%s"
% (`line[:100]`, extra))
while stack and stack[-1] in self.autoclosing:
self.write("-\\n\n")
self.write(")%s\n" % stack[-1])
popping(stack.pop(), "e", len(stack) + depth - 1)
if stack:
raise LaTeXFormatError("elements remain on stack: "
+ string.join(stack, ", "))
# otherwise we just ran out of input here...
def start_macro(self, name):
conversion = self.table.get(name, ([], 0, 0, 0, 0))
params, optional, empty, environ, nocontent = conversion
if empty:
self.write("e\n")
elif nocontent:
empty = 1
return params, optional, empty, environ
class NewConversion(BaseConversion):
def __init__(self, ifp, ofp, table={}):
BaseConversion.__init__(self, ifp, ofp, table)
self.discards = []
......@@ -635,17 +402,8 @@ class NewConversion(BaseConversion):
self.write("A%s %s %s\n" % (pentry.name, dtype, encode(value)))
def old_convert(ifp, ofp, table={}, discards=(), autoclosing=()):
c = Conversion(ifp, ofp, table, discards, autoclosing)
try:
c.convert()
except IOError, (err, msg):
if err != errno.EPIPE:
raise
def new_convert(ifp, ofp, table={}, discards=(), autoclosing=()):
c = NewConversion(ifp, ofp, table)
def convert(ifp, ofp, table):
c = Conversion(ifp, ofp, table)
try:
c.convert()
except IOError, (err, msg):
......@@ -768,17 +526,9 @@ def load_table(fp):
def main():
global DEBUG
#
convert = new_convert
newstyle = 1
opts, args = getopt.getopt(sys.argv[1:], "Dn", ["debug", "new"])
opts, args = getopt.getopt(sys.argv[1:], "D", ["debug"])
for opt, arg in opts:
if opt in ("-n", "--new"):
convert = new_convert
newstyle = 1
elif opt in ("-o", "--old"):
convert = old_convert
newstyle = 0
elif opt in ("-D", "--debug"):
if opt in ("-D", "--debug"):
DEBUG = DEBUG + 1
if len(args) == 0:
ifp = sys.stdin
......@@ -792,119 +542,9 @@ def main():
else:
usage()
sys.exit(2)
table = {
# entries have the form:
# name: ([attribute names], is1stOptional, isEmpty, isEnv, nocontent)
# attribute names can be:
# "string" -- normal attribute
# ("string",) -- sub-element with content of macro; like for \section
# ["string"] -- sub-element
"bifuncindex": (["name"], 0, 1, 0, 0),
"cfuncdesc": (["type", "name", ("args",)], 0, 0, 1, 0),
"chapter": ([("title",)], 0, 0, 0, 0),
"chapter*": ([("title",)], 0, 0, 0, 0),
"classdesc": (["name", ("args",)], 0, 0, 1, 0),
"ctypedesc": (["name"], 0, 0, 1, 0),
"cvardesc": (["type", "name"], 0, 0, 1, 0),
"datadesc": (["name"], 0, 0, 1, 0),
"declaremodule": (["id", "type", "name"], 1, 1, 0, 0),
"deprecated": (["release"], 0, 0, 0, 0),
"documentclass": (["classname"], 0, 1, 0, 0),
"excdesc": (["name"], 0, 0, 1, 0),
"funcdesc": (["name", ("args",)], 0, 0, 1, 0),
"funcdescni": (["name", ("args",)], 0, 0, 1, 0),
"funcline": (["name"], 0, 0, 0, 0),
"funclineni": (["name"], 0, 0, 0, 0),
"geq": ([], 0, 1, 0, 0),
"hline": ([], 0, 1, 0, 0),
"include": (["source"], 0, 1, 0, 0),
"indexii": (["ie1", "ie2"], 0, 1, 0, 0),
"indexiii": (["ie1", "ie2", "ie3"], 0, 1, 0, 0),
"indexiv": (["ie1", "ie2", "ie3", "ie4"], 0, 1, 0, 0),
"indexname": ([], 0, 0, 0, 0),
"input": (["source"], 0, 1, 0, 0),
"item": ([("leader",)], 1, 0, 0, 0),
"label": (["id"], 0, 1, 0, 0),
"labelwidth": ([], 0, 1, 0, 0),
"large": ([], 0, 1, 0, 0),
"LaTeX": ([], 0, 1, 0, 0),
"leftmargin": ([], 0, 1, 0, 0),
"leq": ([], 0, 1, 0, 0),
"lineii": ([["entry"], ["entry"]], 0, 0, 0, 1),
"lineiii": ([["entry"], ["entry"], ["entry"]], 0, 0, 0, 1),
"lineiv": ([["entry"], ["entry"], ["entry"], ["entry"]], 0, 0, 0, 1),
"localmoduletable": ([], 0, 1, 0, 0),
"makeindex": ([], 0, 1, 0, 0),
"makemodindex": ([], 0, 1, 0, 0),
"maketitle": ([], 0, 1, 0, 0),
"manpage": (["name", "section"], 0, 1, 0, 0),
"memberdesc": (["class", "name"], 1, 0, 1, 0),
"memberdescni": (["class", "name"], 1, 0, 1, 0),
"methoddesc": (["class", "name", ("args",)], 1, 0, 1, 0),
"methoddescni": (["class", "name", ("args",)], 1, 0, 1, 0),
"methodline": (["class", "name"], 1, 0, 0, 0),
"methodlineni": (["class", "name"], 1, 0, 0, 0),
"moduleauthor": (["name", "email"], 0, 1, 0, 0),
"opcodedesc": (["name", "var"], 0, 0, 1, 0),
"par": ([], 0, 1, 0, 0),
"paragraph": ([("title",)], 0, 0, 0, 0),
"refbimodindex": (["name"], 0, 1, 0, 0),
"refexmodindex": (["name"], 0, 1, 0, 0),
"refmodindex": (["name"], 0, 1, 0, 0),
"refstmodindex": (["name"], 0, 1, 0, 0),
"refmodule": (["ref"], 1, 0, 0, 0),
"renewcommand": (["macro"], 0, 0, 0, 0),
"rfc": (["num"], 0, 1, 0, 0),
"section": ([("title",)], 0, 0, 0, 0),
"sectionauthor": (["name", "email"], 0, 1, 0, 0),
"seemodule": (["ref", "name"], 1, 0, 0, 0),
"stindex": (["type"], 0, 1, 0, 0),
"subparagraph": ([("title",)], 0, 0, 0, 0),
"subsection": ([("title",)], 0, 0, 0, 0),
"subsubsection": ([("title",)], 0, 0, 0, 0),
"list": (["bullet", "init"], 0, 0, 1, 0),
"tableii": (["colspec", "style",
["entry"], ["entry"]], 0, 0, 1, 0),
"tableiii": (["colspec", "style",
["entry"], ["entry"], ["entry"]], 0, 0, 1, 0),
"tableiv": (["colspec", "style",
["entry"], ["entry"], ["entry"], ["entry"]], 0, 0, 1, 0),
"version": ([], 0, 1, 0, 0),
"versionadded": (["version"], 0, 1, 0, 0),
"versionchanged": (["version"], 0, 1, 0, 0),
"withsubitem": (["text"], 0, 0, 0, 0),
#
"ABC": ([], 0, 1, 0, 0),
"ASCII": ([], 0, 1, 0, 0),
"C": ([], 0, 1, 0, 0),
"Cpp": ([], 0, 1, 0, 0),
"EOF": ([], 0, 1, 0, 0),
"e": ([], 0, 1, 0, 0),
"ldots": ([], 0, 1, 0, 0),
"NULL": ([], 0, 1, 0, 0),
"POSIX": ([], 0, 1, 0, 0),
"UNIX": ([], 0, 1, 0, 0),
#
# Things that will actually be going away!
#
"appendix": ([], 0, 1, 0, 0),
"catcode": ([], 0, 1, 0, 0),
"fi": ([], 0, 1, 0, 0),
"ifhtml": ([], 0, 1, 0, 0),
"makeindex": ([], 0, 1, 0, 0),
"makemodindex": ([], 0, 1, 0, 0),
"maketitle": ([], 0, 1, 0, 0),
"noindent": ([], 0, 1, 0, 0),
"protect": ([], 0, 1, 0, 0),
"tableofcontents": ([], 0, 1, 0, 0),
}
if newstyle:
table = load_table(open(os.path.join(sys.path[0], 'conversion.xml')))
convert(ifp, ofp, table,
discards=["fi", "ifhtml", "makeindex", "makemodindex", "maketitle",
"noindent", "tableofcontents"],
autoclosing=["chapter", "section", "subsection", "subsubsection",
"paragraph", "subparagraph", ])
table = load_table(open(os.path.join(sys.path[0], 'conversion.xml')))
convert(ifp, ofp, table)
if __name__ == "__main__":
......
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