* src/tools/docmaker/*: adding new (more advanced) version of

the DocMaker tool. Python with regular expressions rocks..
This commit is contained in:
David Turner 2002-07-30 18:49:52 +00:00
parent 76effc302f
commit f52165cc06
7 changed files with 1780 additions and 0 deletions

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@ -4,6 +4,9 @@
to demonstrate a "cleaner" API to support incremental font loading.
comments appreciated...
* src/tools/docmaker/*: adding new (more advanced) version of
the DocMaker tool. Python with regular expressions rocks..
2002-07-28 Werner Lemberg <wl@gnu.org>
s/ft_memset/FT_MEM_SET/.

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#
# this file contains routines used to parse the content of documentation
# comment block and build a more structured objects out of them
#
from sources import *
from utils import *
import string, re
# this regular expresion is used to detect code sequences. these
# are simply code fragments embedded in '{' and '}' like in:
#
# {
# x = y + z;
# if ( zookoo == 2 )
# {
# foobar();
# }
# }
#
# note that identation of the starting and ending accolades must be
# exactly the same. the code sequence can contain accolades at greater
# indentation
#
re_code_start = re.compile( r"(\s*){\s*$" )
re_code_end = re.compile( r"(\s*)}\s*$" )
# this regular expression is used to isolate identifiers from
# other text
#
re_identifier = re.compile( r'(\w*)' )
#############################################################################
#
# The DocCode class is used to store source code lines.
#
# 'self.lines' contains a set of source code lines that will be dumped as
# HTML in a <PRE> tag.
#
# The object is filled line by line by the parser; it strips the leading
# "margin" space from each input line before storing it in 'self.lines'.
#
class DocCode:
def __init__( self, margin, lines ):
self.lines = []
self.words = None
# remove margin spaces
for l in lines:
if string.strip( l[:margin] ) == "":
l = l[margin:]
self.lines.append( l )
def dump( self, prefix = "", width=60 ):
for l in self.lines:
print prefix + l
#############################################################################
#
# The DocPara class is used to store "normal" text paragraph.
#
# 'self.words' contains the list of words that make up the paragraph
#
class DocPara:
def __init__( self, lines ):
self.lines = None
self.words = []
for l in lines:
l = string.strip(l)
self.words.extend( string.split( l ) )
def dump( self, prefix = "", width = 60 ):
cur = "" # current line
col = 0 # current width
for word in self.words:
ln = len(word)
if col > 0:
ln = ln+1
if col + ln > width:
print prefix + cur
cur = word
col = len(word)
else:
if col > 0:
cur = cur + " "
cur = cur + word
col = col + ln
if col > 0:
print prefix + cur
#############################################################################
#
# The DocField class is used to store a list containing either DocPara or
# DocCode objects. Each DocField also has an optional "name" which is used
# when the object corresponds to a field of value definition
#
class DocField:
def __init__( self, name, lines ):
self.name = name # can be None for normal paragraphs/sources
self.items = [] # list of items
mode_none = 0 # start parsing mode
mode_code = 1 # parsing code sequences
mode_para = 3 # parsing normal paragraph
margin = -1 # current code sequence indentation
cur_lines = []
# now analyze the markup lines to see if they contain paragraphs,
# code sequences or fields definitions
#
start = 0
mode = mode_none
for l in lines:
# are we parsing a code sequence ?
if mode == mode_code:
m = re_code_end.match( l )
if m and len(m.group(1)) <= margin:
# that's it, we finised the code sequence
code = DocCode( margin, cur_lines )
self.items.append( code )
margin = -1
cur_lines = []
mode = mode_none
else:
# nope, continue the code sequence
cur_lines.append( l[margin:] )
else:
# start of code sequence ?
m = re_code_start.match( l )
if m:
# save current lines
if cur_lines:
para = DocPara( cur_lines )
self.items.append( para )
cur_lines = []
# switch to code extraction mode
margin = len(m.group(1))
mode = mode_code
else:
if not string.split( l ) and cur_lines:
# if the line is empty, we end the current paragraph,
# if any
para = DocPara( cur_lines )
self.items.append( para )
cur_lines = []
else:
# otherwise, simply add the line to the current
# paragraph
cur_lines.append( l )
if mode == mode_code:
# unexpected end of code sequence
code = DocCode( margin, cur_lines )
self.items.append( code )
elif cur_lines:
para = DocPara( cur_lines )
self.items.append( para )
def dump( self, prefix = "" ):
if self.field:
print prefix + self.field + " ::"
prefix = prefix + "----"
first = 1
for p in self.items:
if not first:
print ""
p.dump( prefix )
first = 0
# this regular expression is used to detect field definitions
#
re_field = re.compile( r"\s*(\w*)\s*::" )
class DocMarkup:
def __init__( self, tag, lines ):
self.tag = string.lower(tag)
self.fields = []
cur_lines = []
field = None
mode = 0
for l in lines:
m = re_field.match( l )
if m:
# we detected the start of a new field definition
# first, save the current one
if cur_lines:
f = DocField( field, cur_lines )
self.fields.append( f )
cur_lines = []
field = None
field = m.group(1) # record field name
ln = len(m.group(0))
l = " "*ln + l[ln:]
cur_lines = [ l ]
else:
cur_lines.append( l )
if field or cur_lines:
f = DocField( field, cur_lines )
self.fields.append( f )
def get_name( self ):
try:
return self.fields[0].items[0].words[0]
except:
return None
def dump( self, margin ):
print " "*margin + "<" + self.tag + ">"
for f in self.fields:
f.dump( " " )
print " "*margin + "</" + self.tag + ">"
class DocChapter:
def __init__( self, block ):
self.block = block
self.sections = []
if block:
self.name = block.name
self.title = block.get_markup_words( "title" )
self.order = block.get_markup_words( "sections" )
else:
self.name = "Other"
self.title = string.split( "Miscellaneous" )
self.order = []
class DocSection:
def __init__( self, name = "Other" ):
self.name = name
self.blocks = {}
self.block_names = [] # ordered block names in section
self.defs = []
self.abstract = ""
self.description = ""
self.order = []
self.title = "ERROR"
self.chapter = None
def add_def( self, block ):
self.defs.append( block )
def add_block( self, block ):
self.block_names.append( block.name )
self.blocks[ block.name ] = block
def process( self ):
# lookup one block that contains a valid section description
for block in self.defs:
title = block.get_markup_text( "Title" )
if title:
self.title = title
self.abstract = block.get_markup_words( "abstract" )
self.description = block.get_markup_items( "description" )
self.order = block.get_markup_words( "order" )
return
def reorder( self ):
self.block_names = sort_order_list( self.block_names, self.order )
class ContentProcessor:
def __init__( self ):
"""initialize a block content processor"""
self.reset()
self.sections = {} # dictionary of documentation sections
self.section = None # current documentation section
self.chapters = [] # list of chapters
def set_section( self, section_name ):
"""set current section during parsing"""
if not self.sections.has_key( section_name ):
section = DocSection( section_name )
self.sections[ section_name ] = section
self.section = section
else:
self.section = self.sections[ section_name ]
def add_chapter( self, block ):
chapter = DocChapter( block )
self.chapters.append( chapter )
def reset( self ):
"""reset the content processor for a new block"""
self.markups = []
self.markup = None
self.markup_lines = []
def add_markup( self ):
"""add a new markup section"""
if self.markup and self.markup_lines:
# get rid of last line of markup if it's empty
marks = self.markup_lines
if len(marks) > 0 and not string.strip(marks[-1]):
self.markup_lines = marks[:-1]
m = DocMarkup( self.markup, self.markup_lines )
self.markups.append( m )
self.markup = None
self.markup_lines = []
def process_content( self, content ):
"""process a block content and return a list of DocMarkup objects
corresponding to it"""
markup = None
markup_lines = []
first = 1
for line in content:
found = None
for t in re_markup_tags:
m = t.match( line )
if m:
found = string.lower(m.group(1))
prefix = len(m.group(0))
line = " "*prefix + line[prefix:] # remove markup from line
break
# is it the start of a new markup section ?
if found:
first = 0
self.add_markup() # add current markup content
self.markup = found
if len(string.strip( line )) > 0:
self.markup_lines.append( line )
elif first == 0:
self.markup_lines.append( line )
self.add_markup()
return self.markups
def parse_sources( self, source_processor ):
blocks = source_processor.blocks
count = len(blocks)
for n in range(count):
source = blocks[n]
if source.content:
# this is a documentation comment, we need to catch
# all following normal blocks in the "follow" list
#
follow = []
m = n+1
while m < count and not blocks[m].content:
follow.append( blocks[m] )
m = m+1
doc_block = DocBlock( source, follow, self )
def finish( self ):
# process all sections to extract their abstract, description
# and ordered list of items
#
for sec in self.sections.values():
sec.process()
# process chapters to check that all sections are correctly
# listed there
for chap in self.chapters:
for sec in chap.order:
if self.sections.has_key(sec):
section = self.sections[ sec ]
section.chapter = chap
section.reorder()
chap.sections.append( section )
else:
sys.stderr.write( "WARNING: chapter '" +
chap.name + "' in " + chap.block.location() + \
" lists unknown section '" + sec + "'\n" )
# check that all sections are in a chapter
#
others = []
for sec in self.sections.values():
if not sec.chapter:
others.append(sec)
# create a new special chapter for all remaining sections
# when necessary
#
if others:
chap = DocChapter( None )
chap.sections = others
self.chapters.append( chap )
class DocBlock:
def __init__( self, source, follow, processor ):
processor.reset()
self.source = source
self.code = []
self.type = "ERRTYPE"
self.name = "ERRNAME"
self.section = processor.section
self.markups = processor.process_content( source.content )
# compute block type from first markup tag
try:
self.type = self.markups[0].tag
except:
pass
# compute block name from first markup paragraph
try:
markup = self.markups[0]
para = markup.fields[0].items[0]
name = para.words[0]
m = re_identifier.match( name )
if m:
name = m.group(1)
self.name = name
except:
pass
# detect new section starts
if self.type == "section":
processor.set_section( self.name )
processor.section.add_def( self )
# detect new chapter
elif self.type == "chapter":
processor.add_chapter( self )
else:
processor.section.add_block( self )
# now, compute the source lines relevant to this documentation
# block. We keep normal comments in for obvious reasons (??)
source = []
for b in follow:
if b.format:
break
for l in b.lines:
# we use "/* */" as a separator
if re_source_sep.match( l ):
break
source.append( l )
# now strip the leading and trailing empty lines from the sources
start = 0
end = len( source )-1
while start < end and not string.strip( source[start] ):
start = start + 1
while start < end and not string.strip( source[end] ):
end = end - 1
source = source[start:end+1]
self.code = source
def location( self ):
return self.source.location()
def get_markup( self, tag_name ):
"""return the DocMarkup corresponding to a given tag in a block"""
for m in self.markups:
if m.tag == string.lower(tag_name):
return m
return None
def get_markup_name( self, tag_name ):
"""return the name of a given primary markup in a block"""
try:
m = self.get_markup( tag_name )
return m.get_name()
except:
return None
def get_markup_words( self, tag_name ):
try:
m = self.get_markup( tag_name )
return m.fields[0].items[0].words
except:
return []
def get_markup_text( self, tag_name ):
result = self.get_markup_words( tag_name )
return string.join( result )
def get_markup_items( self, tag_name ):
try:
m = self.get_markup( tag_name )
return m.fields[0].items
except:
return None

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#!/usr/bin/env python
#
# DocMaker 0.2 (c) 2002 David Turner <david@freetype.org>
#
# This program is a re-write of the original DocMaker took used
# to generate the API Reference of the FreeType font engine
# by converting in-source comments into structured HTML
#
# This new version is capable of outputting XML data, as well
# as accepts more liberal formatting options
#
# It also uses regular expression matching and substitution
# to speed things significantly
#
from sources import *
from content import *
from tohtml import *
import sys, os, time, string, glob, getopt
def file_exists( pathname ):
"""checks that a given file exists"""
result = 1
try:
file = open( pathname, "r" )
file.close()
except:
result = None
sys.err.write( pathname + " couldn't be accessed\n" )
return result
def make_file_list( args = None ):
"""builds a list of input files from command-line arguments"""
file_list = []
# sys.stderr.write( repr( sys.argv[1 :] ) + '\n' )
if not args:
args = sys.argv[1 :]
for pathname in args:
if string.find( pathname, '*' ) >= 0:
newpath = glob.glob( pathname )
newpath.sort() # sort files -- this is important because
# of the order of files
else:
newpath = [pathname]
last = len( file_list )
file_list[last : last] = newpath
if len( file_list ) == 0:
file_list = None
else:
# now filter the file list to remove non-existing ones
file_list = filter( file_exists, file_list )
return file_list
def usage():
print "\nDocMaker 0.2 Usage information\n"
print " docmaker [options] file1 [ file2 ... ]\n"
print "using the following options:\n"
print " -h : print this page"
def main( argv ):
"""main program loop"""
try:
opts, args = getopt.getopt( argv[1:],"h", [ "help" ] )
except getopt.GetoptError:
usage()
sys.exit( 2 )
if args == []:
usage()
sys.exit( 1 )
# process options
#
for opt in opts:
if opt[0] in ( "-h", "--help" ):
usage()
sys.exit( 0 )
# create context and processor
source_processor = SourceProcessor()
content_processor = ContentProcessor()
# retrieve the list of files to process
file_list = make_file_list()
for filename in file_list:
source_processor.parse_file( filename )
content_processor.parse_sources( source_processor )
# process sections
content_processor.finish()
formatter = HtmlFormatter( content_processor, "Example", "zz" )
formatter.toc_dump()
formatter.index_dump()
formatter.section_dump_all()
# if called from the command line
#
if __name__ == '__main__':
main( sys.argv )
# eof

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from sources import *
from content import *
from utils import *
class Formatter:
def __init__( self, processor ):
self.processor = processor
self.identifiers = {}
self.chapters = processor.chapters
self.sections = processor.sections.values()
self.block_index = []
# store all blocks in a dictionary
self.blocks = []
for section in self.sections:
for block in section.blocks.values():
self.add_identifier( block.name, block )
# add enumeration values to the index, since this is useful
for markup in block.markups:
if markup.tag == 'values':
for field in markup.fields:
self.add_identifier( field.name, block )
self.block_index = self.identifiers.keys()
self.block_index.sort( index_sort )
def add_identifier( self, name, block ):
if self.identifiers.has_key( name ):
# duplicate name !!
sys.stderr.write( \
"WARNING: duplicate definition for '" + name + "' in " + \
block.location() + ", previous definition in " + \
self.identifiers[ name ].location() + "\n" )
else:
self.identifiers[name] = block
#
# Formatting the table of contents
#
def toc_enter( self ):
pass
def toc_chapter_enter( self, chapter ):
pass
def toc_section_enter( self, section ):
pass
def toc_section_exit( self, section ):
pass
def toc_chapter_exit( self, chapter ):
pass
def toc_index( self, index_filename ):
pass
def toc_exit( self ):
pass
def toc_dump( self, toc_filename = None, index_filename = None ):
output = None
if toc_filename:
output = open_output( toc_filename )
self.toc_enter()
for chap in self.processor.chapters:
self.toc_chapter_enter( chap )
for section in chap.sections:
self.toc_section_enter( section )
self.toc_section_exit( section )
self.toc_chapter_exit ( chap )
self.toc_index( index_filename )
self.toc_exit()
if output:
close_output( output )
#
# Formatting the index
#
def index_enter( self ):
pass
def index_name_enter( self, name ):
pass
def index_name_exit( self, name ):
pass
def index_exit( self ):
pass
def index_dump( self, index_filename = None ):
output = None
if index_filename:
output = open_output( index_filename )
self.index_enter()
for name in self.block_index:
self.index_name_enter( name )
self.index_name_exit ( name )
self.index_exit()
if output:
close_output( output )
#
# Formatting a section
#
def section_enter( self, section ):
pass
def block_enter( self, block ):
pass
def markup_enter( self, markup, block = None ):
pass
def field_enter( self, field, markup = None, block = None ):
pass
def field_exit( self, field, markup = None, block = None ):
pass
def markup_exit( self, markup, block = None ):
pass
def block_exit( self, block ):
pass
def section_exit( self, section ):
pass
def section_dump( self, section, section_filename = None ):
output = None
if section_filename:
output = open_output( section_filename )
self.section_enter( section )
for name in section.block_names:
block = self.identifiers[ name ]
self.block_enter( block )
for markup in block.markups[1:]: # always ignore first markup !!
self.markup_enter( markup, block )
for field in markup.fields:
self.field_enter( field, markup, block )
self.field_exit ( field, markup, block )
self.markup_exit( markup, block )
self.block_exit( block )
self.section_exit ( section )
if output:
close_output( output )
def section_dump_all( self ):
for section in self.sections:
self.section_dump( section )
#
# Formatting a block
#

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#
# this file contains definitions of classes needed to decompose
# C sources files into a series of multi-line "blocks". There are
# two kinds of blocks:
#
# - normal blocks, which contain source code or ordinary comments
#
# - documentation blocks, which have restricted formatting, and
# whose text always start with a documentation markup tag like
# "<Function>", "<Type>", etc..
#
# the routines used to process the content of documentation blocks
# are not contained here, but in "doccontent.py"
#
# the classes and methods found here only deal with text parsing
# and basic documentation block extraction
#
import fileinput, re, sys, os, string
################################################################
##
## BLOCK FORMAT PATTERN
##
## A simple class containing compiled regular expressions used
## to detect potential documentation format block comments within
## C source code
##
## note that the 'column' pattern must contain a group that will
## be used to "unbox" the content of documentation comment blocks
##
class SourceBlockFormat:
def __init__( self, id, start, column, end ):
"""create a block pattern, used to recognize special documentation blocks"""
self.id = id
self.start = re.compile( start, re.VERBOSE )
self.column = re.compile( column, re.VERBOSE )
self.end = re.compile( end, re.VERBOSE )
#
# format 1 documentation comment blocks look like the following:
#
# /************************************/
# /* */
# /* */
# /* */
# /************************************/
#
# we define a few regular expressions here to detect them
#
start = r'''
\s* # any number of whitespace
/\*{2,}/ # followed by '/' and at least two asterisks then '/'
\s*$ # eventually followed by whitespace
'''
column = r'''
\s* # any number of whitespace
/\*{1} # followed by '/' and precisely one asterisk
([^*].*) # followed by anything (group 1)
\*{1}/ # followed by one asterisk and a '/'
\s*$ # enventually followed by whitespace
'''
re_source_block_format1 = SourceBlockFormat( 1, start, column, start )
#
# format 2 documentation comment blocks look like the following:
#
# /************************************
# *
# *
# *
# *
# **/ (1 or more asterisks at the end)
#
# we define a few regular expressions here to detect them
#
start = r'''
\s* # any number of whitespace
/\*{2,} # followed by '/' and at least two asterisks
\s*$ # eventually followed by whitespace
'''
column = r'''
\s* # any number of whitespace
\*{1} # followed by precisely one asterisk
(.*) # followed by anything (group1)
'''
end = r'''
\s* # any number of whitespace
\*+/ # followed by at least on asterisk, then '/'
'''
re_source_block_format2 = SourceBlockFormat( 2, start, column, end )
#
# the list of supported documentation block formats, we could add new ones
# relatively easily
#
re_source_block_formats = [ re_source_block_format1, re_source_block_format2 ]
#
# the following regular expressions corresponds to markup tags
# within the documentation comment blocks. they're equivalent
# despite their different syntax
#
# notice how each markup tag _must_ begin a new line
#
re_markup_tag1 = re.compile( r'''\s*<(\w*)>''' ) # <xxxx> format
re_markup_tag2 = re.compile( r'''\s*@(\w*):''' ) # @xxxx: format
#
# the list of supported markup tags, we could add new ones relatively
# easily
#
re_markup_tags = [ re_markup_tag1, re_markup_tag2 ]
#
# used to detect a cross-reference, after markup tags have been stripped
#
re_crossref = re.compile( r'@(\w*)' )
#
# used to detect italic and bold styles in paragraph text
#
re_italic = re.compile( r'_(\w+)_' )
re_bold = re.compile( r'\*(\w+)\*' )
#
# used to detect the end of commented source lines
#
re_source_sep = re.compile( r'\s*/\*\s*\*/' )
#
# used to perform cross-reference within source output
#
re_source_crossref = re.compile( r'(\W*)(\w*)' )
#
# a list of reserved source keywords
#
re_source_keywords = re.compile( '''( typedef |
struct |
enum |
union |
const |
char |
int |
short |
long |
void |
signed |
unsigned |
\#include |
\#define |
\#undef |
\#if |
\#ifdef |
\#ifndef |
\#else |
\#endif )''', re.VERBOSE )
################################################################
##
## SOURCE BLOCK CLASS
##
## A SourceProcessor is in charge or reading a C source file
## and decomposing it into a series of different "SourceBlocks".
## each one of these blocks can be made of the following data:
##
## - A documentation comment block that starts with "/**" and
## whose exact format will be discussed later
##
## - normal sources lines, include comments
##
## the important fields in a text block are the following ones:
##
## self.lines : a list of text lines for the corresponding block
##
## self.content : for documentation comment blocks only, this is the
## block content that has been "unboxed" from its
## decoration. This is None for all other blocks
## (i.e. sources or ordinary comments with no starting
## markup tag)
##
class SourceBlock:
def __init__( self, processor, filename, lineno, lines ):
self.processor = processor
self.filename = filename
self.lineno = lineno
self.lines = lines
self.format = processor.format
self.content = []
if self.format == None:
return
words = []
# extract comment lines
lines = []
for line0 in self.lines[1:]:
m = self.format.column.match( line0 )
if m:
lines.append( m.group(1) )
# now, look for a markup tag
for l in lines:
l = string.strip(l)
if len(l) > 0:
for tag in re_markup_tags:
if tag.match( l ):
self.content = lines
return
def location( self ):
return "(" + self.filename + ":" + repr(self.lineno) + ")"
# debugging only - not used in normal operations
def dump( self ):
if self.content:
print "{{{content start---"
for l in self.content:
print l
print "---content end}}}"
return
fmt = ""
if self.format:
fmt = repr(self.format.id) + " "
for line in self.lines:
print line
################################################################
##
## SOURCE PROCESSOR CLASS
##
## The SourceProcessor is in charge or reading a C source file
## and decomposing it into a series of different "SourceBlock"
## objects.
##
## each one of these blocks can be made of the following data:
##
## - A documentation comment block that starts with "/**" and
## whose exact format will be discussed later
##
## - normal sources lines, include comments
##
##
class SourceProcessor:
def __init__( self ):
"""initialize a source processor"""
self.blocks = []
self.filename = None
self.format = None
self.lines = []
def reset( self ):
"""reset a block processor, clean all its blocks"""
self.blocks = []
self.format = None
def parse_file( self, filename ):
"""parse a C source file, and adds its blocks to the processor's list"""
self.reset()
self.filename = filename
fileinput.close()
self.format = None
self.lineno = 0
self.lines = []
for line in fileinput.input( filename ):
# strip trailing newlines, important on Windows machines !!
if line[-1] == '\012':
line = line[0:-1]
if self.format == None:
self.process_normal_line( line )
else:
if self.format.end.match( line ):
# that's a normal block end, add it to lines and
# create a new block
self.lines.append( line )
self.add_block_lines()
elif self.format.column.match( line ):
# that's a normal column line, add it to 'lines'
self.lines.append( line )
else:
# humm.. this is an unexcepted block end,
# create a new block, but don't process the line
self.add_block_lines()
# we need to process the line again
self.process_normal_line( line )
# record the last lines
self.add_block_lines()
def process_normal_line( self, line ):
"""process a normal line and check if it's the start of a new block"""
for f in re_source_block_formats:
if f.start.match( line ):
self.add_block_lines()
self.format = f
self.lineno = fileinput.filelineno()
self.lines.append( line )
def add_block_lines( self ):
"""add the current accumulated lines, and create a new block"""
if self.lines != []:
block = SourceBlock( self, self.filename, self.lineno, self.lines )
self.blocks.append( block )
self.format = None
self.lines = []
# debugging only, not used in normal operations
def dump( self ):
"""print all blocks in a processor"""
for b in self.blocks:
b.dump()
# eof

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from sources import *
from content import *
from formatter import *
import time
# The following defines the HTML header used by all generated pages.
#
html_header_1 = """\
<html>
<header>
<title>"""
html_header_2= """ API Reference</title>
<basefont face="Verdana,Geneva,Arial,Helvetica">
<style content="text/css">
P { text-align=justify }
H1 { text-align=center }
LI { text-align=justify }
</style>
</header>
<body text=#000000
bgcolor=#FFFFFF
link=#0000EF
vlink=#51188E
alink=#FF0000>
<center><h1>"""
html_header_3=""" API Reference</h1></center>
"""
# The HTML footer used by all generated pages.
#
html_footer = """\
</body>
</html>"""
# The header and footer used for each section.
#
section_title_header = "<center><h1>"
section_title_footer = "</h1></center>"
# The header and footer used for code segments.
#
code_header = "<font color=blue><pre>"
code_footer = "</pre></font>"
# Paragraph header and footer.
#
para_header = "<p>"
para_footer = "</p>"
# Block header and footer.
#
block_header = "<center><table width=75%><tr><td>"
block_footer = "</td></tr></table><hr width=75%></center>"
# Description header/footer.
#
description_header = "<center><table width=87%><tr><td>"
description_footer = "</td></tr></table></center><br>"
# Marker header/inter/footer combination.
#
marker_header = "<center><table width=87% cellpadding=5><tr bgcolor=#EEEEFF><td><em><b>"
marker_inter = "</b></em></td></tr><tr><td>"
marker_footer = "</td></tr></table></center>"
# Source code extracts header/footer.
#
source_header = "<center><table width=87%><tr bgcolor=#D6E8FF width=100%><td><pre>\n"
source_footer = "\n</pre></table></center><br>"
# Chapter header/inter/footer.
#
chapter_header = "<br><center><table width=75%><tr><td><h2>"
chapter_inter = "</h2><ul>"
chapter_footer = "</ul></td></tr></table></center>"
# source language keyword coloration/styling
#
keyword_prefix = '<font color="darkblue">'
keyword_suffix = '</font>'
section_synopsis_header = '<h2>Synopsys</h2><font color="cyan">'
section_synopsis_footer = '</font>'
# Translate a single line of source to HTML. This will convert
# a "<" into "&lt.", ">" into "&gt.", etc.
#
def html_quote( line ):
result = string.replace( line, "&", "&amp;" )
result = string.replace( result, "<", "&lt;" )
result = string.replace( result, ">", "&gt;" )
return result
# same as 'html_quote', but ignores left and right brackets
#
def html_quote0( line ):
return string.replace( line, "&", "&amp;" )
def dump_html_code( lines, prefix = "" ):
# clean the last empty lines
#
l = len( self.lines )
while l > 0 and string.strip( self.lines[l - 1] ) == "":
l = l - 1
# The code footer should be directly appended to the last code
# line to avoid an additional blank line.
#
print prefix + code_header,
for line in self.lines[0 : l+1]:
print '\n' + prefix + html_quote(line),
print prefix + code_footer,
class HtmlFormatter(Formatter):
def __init__( self, processor, project_title, file_prefix ):
Formatter.__init__( self, processor )
global html_header_1, html_header_2, html_header_3, html_footer
if file_prefix:
file_prefix = file_prefix + "-"
else:
file_prefix = ""
self.project_title = project_title
self.file_prefix = file_prefix
self.html_header = html_header_1 + project_title + html_header_2 + \
project_title + html_header_3
self.html_footer = "<p><center><font size=""-2"">generated on " + \
time.asctime( time.localtime( time.time() ) ) + \
"</font></p></center>" + html_footer
self.columns = 3
def make_section_url( self, section ):
return self.file_prefix + section.name + ".html"
def make_block_url( self, block ):
return self.make_section_url( block.section ) + "#" + block.name
def make_html_words( self, words ):
""" convert a series of simple words into some HTML text """
line = ""
if words:
line = html_quote( words[0] )
for w in words[1:]:
line = line + " " + html_quote( w )
return line
def make_html_word( self, word ):
"""analyze a simple word to detect cross-references and styling"""
# look for cross-references
#
m = re_crossref.match( word )
if m:
try:
name = m.group(1)
block = self.identifiers[ name ]
url = self.make_block_url( block )
return '<a href="' + url + '">' + name + '</a>'
except:
return '?' + name + '?'
# look for italics and bolds
m = re_italic.match( word )
if m:
name = m.group(1)
return '<i>'+name+'</i>'
m = re_bold.match( word )
if m:
name = m.group(1)
return '<b>'+name+'</b>'
return html_quote(word)
def make_html_para( self, words ):
""" convert a paragraph's words into tagged HTML text, handle xrefs """
line = ""
if words:
line = self.make_html_word( words[0] )
for word in words[1:]:
line = line + " " + self.make_html_word( word )
return "<p>" + line + "</p>"
def make_html_code( self, lines ):
""" convert a code sequence to HTML """
line = code_header + '\n'
for l in lines:
line = line + html_quote( l ) + '\n'
return line + code_footer
def make_html_items( self, items ):
""" convert a field's content into some valid HTML """
lines = []
for item in items:
if item.lines:
lines.append( self.make_html_code( item.lines ) )
else:
lines.append( self.make_html_para( item.words ) )
return string.join( lines, '\n' )
def print_html_items( self, items ):
print self.make_html_items( items )
def print_html_field( self, field ):
if field.name:
print "<table valign=top><tr><td><b>"+field.name+"</b></td><td>"
print self.make_html_items( field.items )
if field.name:
print "</td></tr></table>"
def html_source_quote( self, line, block_name = None ):
result = ""
while line:
m = re_source_crossref.match( line )
if m:
name = m.group(2)
prefix = html_quote( m.group(1) )
length = len( m.group(0) )
if name == block_name:
# this is the current block name, if any
result = result + prefix + '<b>' + name + '</b>'
elif re_source_keywords.match(name):
# this is a C keyword
result = result + prefix + keyword_prefix + name + keyword_suffix
elif self.identifiers.has_key(name):
# this is a known identifier
block = self.identifiers[name]
result = result + prefix + '<a href="' + \
self.make_block_url(block) + '">' + name + '</a>'
else:
result = result + html_quote(line[ : length ])
line = line[ length : ]
else:
result = result + html_quote(line)
line = []
return result
def print_html_field_list( self, fields ):
print "<table valign=top cellpadding=3>"
for field in fields:
print "<tr><td><b>" + field.name + "</b></td><td>"
self.print_html_items( field.items )
print "</td></tr>"
print "</table>"
def print_html_markup( self, markup ):
table_fields = []
for field in markup.fields:
if field.name:
# we begin a new series of field or value definitions, we
# will record them in the 'table_fields' list before outputting
# all of them as a single table
#
table_fields.append( field )
else:
if table_fields:
self.print_html_field_list( table_fields )
table_fields = []
self.print_html_items( field.items )
if table_fields:
self.print_html_field_list( table_fields )
#
# Formatting the index
#
def index_enter( self ):
print self.html_header
self.index_items = {}
def index_name_enter( self, name ):
block = self.identifiers[ name ]
url = self.make_block_url( block )
self.index_items[ name ] = url
def index_exit( self ):
# block_index already contains the sorted list of index names
count = len( self.block_index )
rows = (count + self.columns - 1)/self.columns
print "<center><table border=0 cellpadding=0 cellspacing=0>"
for r in range(rows):
line = "<tr>"
for c in range(self.columns):
i = r + c*rows
if i < count:
bname = self.block_index[ r + c*rows ]
url = self.index_items[ bname ]
line = line + '<td><a href="' + url + '">' + bname + '</a></td>'
else:
line = line + '<td></td>'
line = line + "</tr>"
print line
print "</table></center>"
print self.html_footer
self.index_items = {}
def index_dump( self, index_filename = None ):
if index_filename == None:
index_filename = self.file_prefix + "index.html"
Formatter.index_dump( self, index_filename )
#
# Formatting the table of content
#
def toc_enter( self ):
print self.html_header
print "<center><h1>Table of Contents</h1></center>"
def toc_chapter_enter( self, chapter ):
print chapter_header + string.join(chapter.title) + chapter_inter
print "<table cellpadding=5>"
def toc_section_enter( self, section ):
print "<tr valign=top><td>"
print '<a href="' + self.make_section_url( section ) + '">' + \
section.title + '</a></td><td>'
print self.make_html_para( section.abstract )
def toc_section_exit( self, section ):
print "</td></tr>"
def toc_chapter_exit( self, chapter ):
print "</table>"
print chapter_footer
def toc_index( self, index_filename ):
print chapter_header + '<a href="' + index_filename + '">Global Index</a>' + chapter_inter + chapter_footer
def toc_exit( self ):
print "</table></center>"
print self.html_footer
def toc_dump( self, toc_filename = None, index_filename = None ):
if toc_filename == None:
toc_filename = self.file_prefix + "toc.html"
if index_filename == None:
index_filename = self.file_prefix + "index.html"
Formatter.toc_dump( self, toc_filename, index_filename )
#
# Formatting sections
#
def section_enter( self, section ):
print self.html_header
print section_title_header
print section.title
print section_title_footer
# print section synopsys
print section_synopsis_header
print "<center><table cellspacing=5 cellpadding=0 border=0>"
maxwidth = 0
for b in section.blocks.values():
if len(b.name) > maxwidth:
maxwidth = len(b.name)
width = 130 # XXX magic number
columns = width / maxwidth
if columns < 1:
columns = 1
count = len(section.block_names)
rows = (count + columns-1)/columns
for r in range(rows):
line = "<tr>"
for c in range(columns):
i = r + c*rows
line = line + '<td></td><td>'
if i < count:
name = section.block_names[i]
line = line + '<a href="#' + name + '">' + name + '</a>'
line = line + '</td>'
line = line + "</tr>"
print line
print "</table></center><br><br>"
print section_synopsis_footer
print description_header
print self.make_html_items( section.description )
print description_footer
def block_enter( self, block ):
print block_header
# place html anchor if needed
if block.name:
print '<a name="' + block.name + '">'
print "<h4>" + block.name + "</h4>"
print "</a>"
# dump the block C source lines now
if block.code:
print source_header
for l in block.code:
print self.html_source_quote( l, block.name )
print source_footer
def markup_enter( self, markup, block ):
if markup.tag == "description":
print description_header
else:
print marker_header + markup.tag + marker_inter
self.print_html_markup( markup )
def markup_exit( self, markup, block ):
if markup.tag == "description":
print description_footer
else:
print marker_footer
def block_exit( self, block ):
print block_footer
def section_exit( self, section ):
print html_footer
def section_dump_all( self ):
for section in self.sections:
self.section_dump( section, self.file_prefix + section.name + '.html' )

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import string, sys
# This function is used to sort the index. It is a simple lexicographical
# sort, except that it places capital letters before lowercase ones.
#
def index_sort( s1, s2 ):
if not s1:
return -1
if not s2:
return 1
l1 = len( s1 )
l2 = len( s2 )
m1 = string.lower( s1 )
m2 = string.lower( s2 )
for i in range( l1 ):
if i >= l2 or m1[i] > m2[i]:
return 1
if m1[i] < m2[i]:
return -1
if s1[i] < s2[i]:
return -1
if s1[i] > s2[i]:
return 1
if l2 > l1:
return -1
return 0
# Sort input_list, placing the elements of order_list in front.
#
def sort_order_list( input_list, order_list ):
new_list = order_list[:]
for id in input_list:
if not id in order_list:
new_list.append( id )
return new_list
# current output directory
#
output_dir = None
# Open the standard output to a given project documentation file. Use
# "output_dir" to determine the filename location if necessary and save the
# old stdout in a tuple that is returned by this function.
#
def open_output( filename ):
global output_dir
if output_dir and output_dir != "":
filename = output_dir + os.sep + filename
old_stdout = sys.stdout
new_file = open( filename, "w" )
sys.stdout = new_file
return ( new_file, old_stdout )
# Close the output that was returned by "close_output".
#
def close_output( output ):
output[0].close()
sys.stdout = output[1]
# Check output directory.
#
def check_output( ):
global output_dir
if output_dir:
if output_dir != "":
if not os.path.isdir( output_dir ):
sys.stderr.write( "argument" + " '" + output_dir + "' " +
"is not a valid directory" )
sys.exit( 2 )
else:
output_dir = None