##############################################################################
#
# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
#
##############################################################################
import re, ST, STDOM
from STletters import letters,digits,literal_punc,under_punc,\
strongem_punc, phrase_delimiters,dbl_quoted_punc
from types import StringType,UnicodeType,ListType
StringTypes = (StringType, UnicodeType)
def flatten(obj, append):
if obj.getNodeType()==STDOM.TEXT_NODE:
append(obj.getNodeValue())
else:
for child in obj.getChildNodes():
flatten(child, append)
class StructuredTextExample(ST.StructuredTextParagraph):
"""Represents a section of document with literal text, as for examples"""
def __init__(self, subs, **kw):
t=[]
a=t.append
for s in subs:
flatten(s, a)
ST.StructuredTextParagraph.__init__(self, '\n\n'.join(t), (), **kw)
def getColorizableTexts(self): return ()
def setColorizableTexts(self, src): pass # never color examples
class StructuredTextBullet(ST.StructuredTextParagraph):
"""Represents a section of a document with a title and a body"""
class StructuredTextNumbered(ST.StructuredTextParagraph):
"""Represents a section of a document with a title and a body"""
class StructuredTextDescriptionTitle(ST.StructuredTextParagraph):
"""Represents a section of a document with a title and a body"""
class StructuredTextDescriptionBody(ST.StructuredTextParagraph):
"""Represents a section of a document with a title and a body"""
class StructuredTextDescription(ST.StructuredTextParagraph):
"""Represents a section of a document with a title and a body"""
def __init__(self, title, src, subs, **kw):
ST.StructuredTextParagraph.__init__(self, src, subs, **kw)
self._title=title
def getColorizableTexts(self): return self._title, self._src
def setColorizableTexts(self, src): self._title, self._src = src
def getChildren(self):
return (StructuredTextDescriptionTitle(self._title),
StructuredTextDescriptionBody(self._src, self._subs))
class StructuredTextSectionTitle(ST.StructuredTextParagraph):
"""Represents a section of a document with a title and a body"""
class StructuredTextSection(ST.StructuredTextParagraph):
"""Represents a section of a document with a title and a body"""
def __init__(self, src, subs=None, **kw):
ST.StructuredTextParagraph.__init__(
self, StructuredTextSectionTitle(src), subs, **kw)
def getColorizableTexts(self):
return self._src.getColorizableTexts()
def setColorizableTexts(self,src):
self._src.setColorizableTexts(src)
# a StructuredTextTable holds StructuredTextRows
class StructuredTextTable(ST.StructuredTextParagraph):
"""
rows is a list of lists containing tuples, which
represent the columns/cells in each rows.
EX
rows = [[('row 1:column1',1)],[('row2:column1',1)]]
"""
def __init__(self, rows, src, subs, **kw):
ST.StructuredTextParagraph.__init__(self, subs, **kw)
self._rows = []
for row in rows:
if row:
self._rows.append(StructuredTextRow(row,kw))
def getRows(self):
return [self._rows]
def _getRows(self):
return self.getRows()
def getColumns(self):
result = []
for row in self._rows:
result.append(row.getColumns())
return result
def _getColumns(self):
return self.getColumns()
def setColumns(self,columns):
for index in range(len(self._rows)):
self._rows[index].setColumns(columns[index])
def _setColumns(self,columns):
return self.setColumns(columns)
def getColorizableTexts(self):
"""
return a tuple where each item is a column/cell's
contents. The tuple, result, will be of this format.
("r1 col1", "r1=col2", "r2 col1", "r2 col2")
"""
result = []
for row in self._rows:
for column in row.getColumns()[0]:
result.append(column.getColorizableTexts()[0])
return result
def setColorizableTexts(self,texts):
"""
texts is going to a tuple where each item is the
result of being mapped to the colortext function.
Need to insert the results appropriately into the
individual columns/cells
"""
for row_index in range(len(self._rows)):
for column_index in range(len(self._rows[row_index]._columns)):
self._rows[row_index]._columns[column_index].setColorizableTexts((texts[0],))
texts = texts[1:]
def _getColorizableTexts(self):
return self.getColorizableTexts()
def _setColorizableTexts(self, texts):
return self.setColorizableTexts(texts)
# StructuredTextRow holds StructuredTextColumns
class StructuredTextRow(ST.StructuredTextParagraph):
def __init__(self,row,kw):
"""
row is a list of tuples, where each tuple is
the raw text for a cell/column and the span
of that cell/column.
EX
[('this is column one',1), ('this is column two',1)]
"""
ST.StructuredTextParagraph.__init__(self, [], **kw)
self._columns = []
for column in row:
self._columns.append(StructuredTextColumn(column[0],
column[1],
column[2],
column[3],
column[4],
kw))
def getColumns(self):
return [self._columns]
def _getColumns(self):
return [self._columns]
def setColumns(self,columns):
self._columns = columns
def _setColumns(self,columns):
return self.setColumns(columns)
# this holds the text of a table cell
class StructuredTextColumn(ST.StructuredTextParagraph):
"""
StructuredTextColumn is a cell/column in a table.
A cell can hold multiple paragraphs. The cell
is either classified as a StructuredTextTableHeader
or StructuredTextTableData.
"""
def __init__(self,text,span,align,valign,typ,kw):
ST.StructuredTextParagraph.__init__(self, text, [], **kw)
self._span = span
self._align = align
self._valign = valign
self._type = typ
def getSpan(self):
return self._span
def _getSpan(self):
return self._span
def getAlign(self):
return self._align
def _getAlign(self):
return self.getAlign()
def getValign(self):
return self._valign
def _getValign(self):
return self.getValign()
def getType(self):
return self._type
def _getType(self):
return self.getType()
class StructuredTextTableHeader(ST.StructuredTextParagraph): pass
class StructuredTextTableData(ST.StructuredTextParagraph): pass
class StructuredTextMarkup(STDOM.Element):
def __init__(self, v, **kw):
self._value=v
self._attributes=kw.keys()
for k, v in kw.items(): setattr(self, k, v)
def getChildren(self):
v=self._value
if not isinstance(v, ListType): v=[v]
return v
def getColorizableTexts(self): return self._value,
def setColorizableTexts(self, v): self._value=v[0]
def __repr__(self):
return '%s(%s)' % (self.__class__.__name__, `self._value`)
class StructuredTextLiteral(StructuredTextMarkup):
def getColorizableTexts(self): return ()
def setColorizableTexts(self, v): pass
class StructuredTextEmphasis(StructuredTextMarkup): pass
class StructuredTextStrong(StructuredTextMarkup): pass
class StructuredTextInnerLink(StructuredTextMarkup): pass
class StructuredTextNamedLink(StructuredTextMarkup): pass
class StructuredTextUnderline(StructuredTextMarkup): pass
class StructuredTextSGML(StructuredTextMarkup): pass
class StructuredTextLink(StructuredTextMarkup): pass
class StructuredTextXref(StructuredTextMarkup): pass
class DocumentClass:
"""
Class instance calls [ex.=> x()] require a structured text
structure. Doc will then parse each paragraph in the structure
and will find the special structures within each paragraph.
Each special structure will be stored as an instance. Special
structures within another special structure are stored within
the 'top' structure
EX : '-underline this-' => would be turned into an underline
instance. '-underline **this**' would be stored as an underline
instance with a strong instance stored in its string
"""
paragraph_types = [
'doc_bullet',
'doc_numbered',
'doc_description',
'doc_header',
'doc_table',
]
#'doc_inner_link',
#'doc_named_link',
#'doc_underline'
text_types = [
'doc_literal',
'doc_sgml',
'doc_inner_link',
'doc_named_link',
'doc_href1',
'doc_href2',
'doc_strong',
'doc_emphasize',
'doc_underline',
'doc_sgml',
'doc_xref',
]
def __call__(self, doc):
if type(doc) in StringTypes:
doc=ST.StructuredText(doc)
doc.setSubparagraphs(self.color_paragraphs(
doc.getSubparagraphs()))
else:
doc=ST.StructuredTextDocument(self.color_paragraphs(
doc.getSubparagraphs()))
return doc
def parse(self, raw_string, text_type,
type=type, sts=StringTypes, lt=type([])):
"""
Parse accepts a raw_string, an expr to test the raw_string,
and the raw_string's subparagraphs.
Parse will continue to search through raw_string until
all instances of expr in raw_string are found.
If no instances of expr are found, raw_string is returned.
Otherwise a list of substrings and instances is returned
"""
tmp = [] # the list to be returned if raw_string is split
append=tmp.append
if type(text_type) in sts: text_type=getattr(self, text_type)
while 1:
t = text_type(raw_string)
if not t: break
#an instance of expr was found
t, start, end = t
if start: append(raw_string[0:start])
tt=type(t)
if tt in sts:
# if we get a string back, add it to text to be parsed
raw_string = t+raw_string[end:len(raw_string)]
else:
if tt is lt:
# is we get a list, append it's elements
tmp[len(tmp):]=t
else:
# normal case, an object
append(t)
raw_string = raw_string[end:len(raw_string)]
if not tmp: return raw_string # nothing found
if raw_string: append(raw_string)
elif len(tmp)==1: return tmp[0]
return tmp
def color_text(self, str, types=None):
"""Search the paragraph for each special structure
"""
if types is None: types=self.text_types
for text_type in types:
if type(str) in StringTypes:
str = self.parse(str, text_type)
elif type(str) is ListType:
r=[]; a=r.append
for s in str:
if type(s) in StringTypes:
s=self.parse(s, text_type)
if type(s) is ListType: r[len(r):]=s
else: a(s)
else:
s.setColorizableTexts(
map(self.color_text,
s.getColorizableTexts()
))
a(s)
str=r
else:
r=[]; a=r.append; color=self.color_text
for s in str.getColorizableTexts():
color(s, (text_type,))
a(s)
str.setColorizableTexts(r)
return str
def color_paragraphs(self, raw_paragraphs,
type=type, sequence_types=(type([]), type(())),
sts=StringTypes):
result=[]
for paragraph in raw_paragraphs:
if paragraph.getNodeName() != 'StructuredTextParagraph':
result.append(paragraph)
continue
for pt in self.paragraph_types:
if type(pt) in sts:
# grab the corresponding function
pt=getattr(self, pt)
# evaluate the paragraph
r=pt(paragraph)
if r:
if type(r) not in sequence_types:
r=r,
new_paragraphs=r
for paragraph in new_paragraphs:
subs = self.color_paragraphs(paragraph.getSubparagraphs())
paragraph.setSubparagraphs(subs)
break
else:
# copy, retain attributes
kw = {}
atts = getattr(paragraph, '_attributes', [])
for att in atts: kw[att] = getattr(paragraph, att)
subs = self.color_paragraphs(paragraph.getSubparagraphs())
new_paragraphs=ST.StructuredTextParagraph(
paragraph. getColorizableTexts()[0], subs, **kw),
# color the inline StructuredText types
# for each StructuredTextParagraph
for paragraph in new_paragraphs:
if paragraph.getNodeName() is "StructuredTextTable":
# cells = paragraph.getColumns()
text = paragraph.getColorizableTexts()
text = map(ST.StructuredText,text)
text = map(self.__call__,text)
for t in range(len(text)):
text[t] = text[t].getSubparagraphs()
paragraph.setColorizableTexts(text)
paragraph.setColorizableTexts(
map(self.color_text,
paragraph.getColorizableTexts()
))
result.append(paragraph)
return result
def doc_table(self, paragraph, expr = re.compile(r'\s*\|[-]+\|').match):
text = paragraph.getColorizableTexts()[0]
m = expr(text)
subs = paragraph.getSubparagraphs()
if not (m):
return None
rows = []
spans = []
ROWS = []
COLS = []
indexes = []
ignore = []
TDdivider = re.compile("[\-]+").match
THdivider = re.compile("[\=]+").match
col = re.compile('\|').search
innertable = re.compile('\|([-]+|[=]+)\|').search
text = text.strip()
rows = text.split('\n')
foo = ""
for row in range(len(rows)):
rows[row] = rows[row].strip()
# have indexes store if a row is a divider
# or a cell part
for index in range(len(rows)):
tmpstr = rows[index][1:len(rows[index])-1]
if TDdivider(tmpstr):
indexes.append("TDdivider")
elif THdivider(tmpstr):
indexes.append("THdivider")
else:
indexes.append("cell")
for index in range(len(indexes)):
if indexes[index] is "TDdivider" or indexes[index] is "THdivider":
ignore = [] # reset ignore
#continue # skip dividers
tmp = rows[index].strip() # clean the row up
tmp = tmp[1:len(tmp)-1] # remove leading + trailing |
offset = 0
# find the start and end of inner
# tables. ignore everything between
if innertable(tmp):
tmpstr = tmp.strip()
while innertable(tmpstr):
start,end = innertable(tmpstr).span()
if not (start,end-1) in ignore:
ignore.append((start,end-1))
tmpstr = " " + tmpstr[end:]
# find the location of column dividers
# NOTE: |'s in inner tables do not count
# as column dividers
if col(tmp):
while col(tmp):
bar = 1 # true if start is not in ignore
start,end = col(tmp).span()
if not start+offset in spans:
for s,e in ignore:
if start+offset >= s or start+offset <= e:
bar = None
break
if bar: # start is clean
spans.append(start+offset)
if not bar:
foo = foo + tmp[:end]
tmp = tmp[end:]
offset = offset + end
else:
COLS.append((foo + tmp[0:start],start+offset))
foo = ""
tmp = " " + tmp[end:]
offset = offset + start
if not offset+len(tmp) in spans:
spans.append(offset+len(tmp))
COLS.append((foo + tmp,offset+len(tmp)))
foo = ""
ROWS.append(COLS)
COLS = []
spans.sort()
ROWS = ROWS[1:len(ROWS)]
# find each column span
cols = []
tmp = []
for row in ROWS:
for c in row:
tmp.append(c[1])
cols.append(tmp)
tmp = []
cur = 1
tmp = []
C = []
for col in cols:
for span in spans:
if not span in col:
cur = cur + 1
else:
tmp.append(cur)
cur = 1
C.append(tmp)
tmp = []
for index in range(len(C)):
for i in range(len(C[index])):
ROWS[index][i] = (ROWS[index][i][0],C[index][i])
rows = ROWS
# label things as either TableData or
# Table header
TD = []
TH = []
all = []
for index in range(len(indexes)):
if indexes[index] is "TDdivider":
TD.append(index)
all.append(index)
if indexes[index] is "THdivider":
TH.append(index)
all.append(index)
TD = TD[1:]
dividers = all[1:]
#print "TD => ", TD
#print "TH => ", TH
#print "all => ", all, "\n"
for div in dividers:
if div in TD:
index = all.index(div)
for rowindex in range(all[index-1],all[index]):
for i in range(len(rows[rowindex])):
rows[rowindex][i] = (rows[rowindex][i][0],
rows[rowindex][i][1],
"td")
else:
index = all.index(div)
for rowindex in range(all[index-1],all[index]):
for i in range(len(rows[rowindex])):
rows[rowindex][i] = (rows[rowindex][i][0],
rows[rowindex][i][1],
"th")
# now munge the multi-line cells together
# as paragraphs
ROWS = []
COLS = []
for row in rows:
for index in range(len(row)):
if not COLS:
COLS = range(len(row))
for i in range(len(COLS)):
COLS[i] = ["",1,""]
if TDdivider(row[index][0]) or THdivider(row[index][0]):
ROWS.append(COLS)
COLS = []
else:
COLS[index][0] = COLS[index][0] + (row[index][0]) + "\n"
COLS[index][1] = row[index][1]
COLS[index][2] = row[index][2]
# now that each cell has been munged together,
# determine the cell's alignment.
# Default is to center. Also determine the cell's
# vertical alignment, top, middle, bottom. Default is
# to middle
rows = []
cols = []
for row in ROWS:
for index in range(len(row)):
topindent = 0
bottomindent = 0
leftindent = 0
rightindent = 0
left = []
right = []
text = row[index][0]
text = text.split('\n')
text = text[:len(text)-1]
align = ""
valign = ""
for t in text:
t = t.strip()
if not t:
topindent = topindent + 1
else:
break
text.reverse()
for t in text:
t = t.strip()
if not t:
bottomindent = bottomindent + 1
else:
break
text.reverse()
tmp = '\n'.join(text[topindent:len(text)-bottomindent])
pars = re.compile("\n\s*\n").split(tmp)
for par in pars:
if index > 0:
par = par[1:]
par = par.split(' ')
for p in par:
if not p:
leftindent = leftindent+1
else:
break
left.append(leftindent)
leftindent = 0
par.reverse()
for p in par:
if not p:
rightindent = rightindent + 1
else:
break
right.append(rightindent)
rightindent = 0
left.sort()
right.sort()
if topindent == bottomindent:
valign="middle"
elif topindent < 1:
valign="top"
elif bottomindent < 1:
valign="bottom"
else:
valign="middle"
if left[0] < 1:
align = "left"
elif right[0] < 1:
align = "right"
elif left[0] > 1 and right[0] > 1:
align="center"
else:
align="left"
cols.append((row[index][0],row[index][1],align,valign,row[index][2]))
rows.append(cols)
cols = []
return StructuredTextTable(rows,text,subs,indent=paragraph.indent)
def doc_bullet(self, paragraph, expr = re.compile(r'\s*[-*o]\s+').match):
top=paragraph.getColorizableTexts()[0]
m=expr(top)
if not m:
return None
subs=paragraph.getSubparagraphs()
if top[-2:]=='::':
subs=[StructuredTextExample(subs)]
top=top[:-1]
return StructuredTextBullet(top[m.span()[1]:], subs,
indent=paragraph.indent,
bullet=top[:m.span()[1]]
)
def doc_numbered(
self, paragraph,
expr = re.compile(r'(\s*[%s]\.)|(\s*[0-9]+\.)|(\s*[0-9]+\s+)' % letters).match):
# This is the old expression. It had a nasty habit
# of grabbing paragraphs that began with a single
# letter word even if there was no following period.
#expr = re.compile('\s*'
# '(([a-zA-Z]|[0-9]+|[ivxlcdmIVXLCDM]+)\.)*'
# '([a-zA-Z]|[0-9]+|[ivxlcdmIVXLCDM]+)\.?'
# '\s+').match):
top=paragraph.getColorizableTexts()[0]
m=expr(top)
if not m: return None
subs=paragraph.getSubparagraphs()
if top[-2:]=='::':
subs=[StructuredTextExample(subs)]
top=top[:-1]
return StructuredTextNumbered(top[m.span()[1]:], subs,
indent=paragraph.indent,
number=top[:m.span()[1]])
def doc_description(
self, paragraph,
delim = re.compile(r'\s+--\s+').search,
nb=re.compile(r'[^\000- ]').search,
):
top=paragraph.getColorizableTexts()[0]
d=delim(top)
if not d: return None
start, end = d.span()
title=top[:start]
if title.find('\n') >= 0: return None
if not nb(title): return None
d=top[start:end]
top=top[end:]
subs=paragraph.getSubparagraphs()
if top[-2:]=='::':
subs=[StructuredTextExample(subs)]
top=top[:-1]
return StructuredTextDescription(
title, top, subs,
indent=paragraph.indent,
delim=d)
def doc_header(self, paragraph):
subs=paragraph.getSubparagraphs()
if not subs: return None
top=paragraph.getColorizableTexts()[0]
if not top.strip(): return None
if top[-2:]=='::':
subs=StructuredTextExample(subs)
if top.strip()=='::': return subs
# copy attrs when returning a paragraph
kw = {}
atts = getattr(paragraph, '_attributes', [])
for att in atts: kw[att] = getattr(paragraph, att)
return ST.StructuredTextParagraph(top[:-1], [subs], **kw)
if top.find('\n') >= 0: return None
return StructuredTextSection(top, subs, indent=paragraph.indent)
def doc_literal(
self, s,
expr = re.compile(r"(\W+|^)'([%s%s%s\s]+)'([%s]+|$)" % (letters, digits, literal_punc, phrase_delimiters)).search,):
# old expr... failed to cross newlines.
# expr=re.compile(
# r"(?:\s|^)'" # open
# r"([^ \t\n\r\f\v']|[^ \t\n\r\f\v'][^\n\r']*[^ \t\n\r\f\v'])" # contents
# r"'(?:\s|[,.;:!?]|$)" # close
# ).search):
r=expr(s) #or expr2(s)
if r:
start, end = r.span(2)
return (StructuredTextLiteral(s[start:end]), start-1, end+1)
else:
return None
def doc_emphasize(
self, s,
expr = re.compile(r'\*([%s%s%s\s]+?)\*' % (letters, digits, strongem_punc)).search
#expr = re.compile(r'\s*\*([ \n\r%s0-9.:/;,\'\"\?\-\_\/\=\-\>\<\(\)]+)\*(?!\*|-)' % letters).search # old expr, inconsistent punctuation
):
r=expr(s)
if r:
start, end = r.span(1)
return (StructuredTextEmphasis(s[start:end]), start-1, end+1)
else:
return None
def doc_inner_link(self,
s,
expr1 = re.compile(r"\.\.\s*").search,
expr2 = re.compile(r"\[[%s%s]+\]" % (letters, digits) ).search):
# make sure we dont grab a named link
if expr2(s) and expr1(s):
start1,end1 = expr1(s).span()
start2,end2 = expr2(s).span()
if end1 == start2:
# uh-oh, looks like a named link
return None
else:
# the .. is somewhere else, ignore it
return (StructuredTextInnerLink(s[start2+1:end2-1]),start2,end2)
return None
elif expr2(s) and not expr1(s):
start,end = expr2(s).span()
return (StructuredTextInnerLink(s[start+1:end-1]),start,end)
return None
def doc_named_link(self,
s,
expr=re.compile(r"(\.\.\s)(\[[%s0-9]+\])" % letters).search):
result = expr(s)
if result:
start,end = result.span(2)
str = s[start+1:end-1]
st,en = result.span()
return (StructuredTextNamedLink(str),st,en)
return None
def doc_underline(self,
s,
expr=re.compile(r'_([%s%s%s\s]+)_([\s%s]|$)' % (letters, digits, under_punc,phrase_delimiters)).search):
result = expr(s)
if result:
if result.group(1)[:1] == '_':
return None # no double unders
start,end = result.span(1)
st,e = result.span()
return (StructuredTextUnderline(s[start:end]),st,e-len(result.group(2)))
else:
return None
def doc_strong(self,
s,
expr = re.compile(r'\*\*([%s%s%s\s]+?)\*\*' % (letters, digits, strongem_punc)).search
#expr = re.compile(r'\s*\*\*([ \n\r%s0-9.:/;,\'\"\?\-\_\/\=\-\>\<\(\)]+)\*\*(?!\*|-)' % letters).search, # old expr, inconsistent punc, failed to cross newlines.
):
r=expr(s)
if r:
start, end = r.span(1)
return (StructuredTextStrong(s[start:end]), start-2, end+2)
else:
return None
## Some constants to make the doc_href() regex easier to read.
_DQUOTEDTEXT = r'("[ %s0-9\n\r%s]+")' % (letters,dbl_quoted_punc) ## double quoted text
_ABSOLUTE_URL=r'((http|https|ftp|mailto|file|about)[:/]+?[%s0-9_\@\.\,\?\!\/\:\;\-\#\~\=\&\%%\+]+)' % letters
_ABS_AND_RELATIVE_URL=r'([%s0-9_\@\.\,\?\!\/\:\;\-\#\~\=\&\%%\+]+)' % letters
_SPACES = r'(\s*)'
def doc_href1(self, s,
expr=re.compile(_DQUOTEDTEXT + "(:)" + _ABS_AND_RELATIVE_URL + _SPACES).search
):
return self.doc_href(s, expr)
def doc_href2(self, s,
expr=re.compile(_DQUOTEDTEXT + r'(\,\s+)' + _ABSOLUTE_URL + _SPACES).search
):
return self.doc_href(s, expr)
def doc_href(self, s, expr, punctuation=re.compile(r"[\,\.\?\!\;]+").match):
r=expr(s)
if r:
# need to grab the href part and the
# beginning part
start,e = r.span(1)
name = s[start:e]
name = name.replace('"','',2)
#start = start + 1
st,end = r.span(3)
if punctuation(s[end-1:end]):
end = end -1
link = s[st:end]
#end = end - 1
# name is the href title, link is the target
# of the href
return (StructuredTextLink(name, href=link),
start, end)
#return (StructuredTextLink(s[start:end], href=s[start:end]),
# start, end)
else:
return None
def doc_sgml(self,s,expr=re.compile(r"\<[%s0-9\.\=\'\"\:\/\-\#\+\s\*]+\>" % letters).search):
"""
SGML text is ignored and outputed as-is
"""
r = expr(s)
if r:
start,end = r.span()
text = s[start:end]
return (StructuredTextSGML(text),start,end)
else:
return None
def doc_xref(self, s,
expr = re.compile('\[([%s0-9\-.:/;,\n\r\~]+)\]' % letters).search
):
r = expr(s)
if r:
start, end = r.span(1)
return (StructuredTextXref(s[start:end]), start-1, end+1)
else:
return None
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