ref: a39acf55f753b7a6cba7b3f0839505e5f420cea7
dir: /docs/docmaker.py/
#!/usr/bin/env python
#
# DocMaker is a very simple program used to generate HTML documentation
# from the source files of the FreeType packages.
#
import fileinput, sys, string
html_header = """
<html>
<header>
<title>FreeType 2 API Reference</title>
<basefont face="Georgia, Arial, Helvetica, Geneva">
<style content="text/css">
P { text-align=justify }
H1 { text-align=center }
H2 { text-align=center }
LI { text-align=justify }
</style>
</header>
<body text="#000000"
bgcolor="#FFFFFF"
link="#0000EF"
vlink="#51188E"
alink="#FF0000">
<center><h1>FreeType 2 API Reference</h1></center>
<center><table width="80%"><tr><td>
"""
html_footer = """
</td></tr>
</table></center>
</body>
</html>
"""
code_header = """
<font color=blue><pre>
"""
code_footer = """
</pre></font>
"""
para_header = "<p>"
para_footer = "</p>"
block_header = """<table width="100%"><tr><td>"""
block_footer = "</table>"
source_header = """<table width="100%"><tr bgcolor="#D6E8FF" width="100%"><td><pre>
"""
source_footer = """</pre></table>
<br><br>
"""
# The FreeType 2 reference is extracted from the source files. These contain
# various comment blocks that follow one of the following formats:
#
# /**************************
# *
# * FORMAT1
# *
# *
# *
# *
# *************************/
#
# /**************************/
# /* */
# /* FORMAT2 */
# /* */
# /* */
# /* */
# /* */
#
# /**************************/
# /* */
# /* FORMAT3 */
# /* */
# /* */
# /* */
# /* */
# /**************************/
#
# Each block contains a list of markers, each one can be followed by
# some arbitrary text or a list of fields. Here's an example:
#
# <Struct>
# MyStruct
#
# <Description>
# this structure holds some data
#
# <Fields>
# x :: horizontal coordinate
# y :: vertical coordinate
#
#
# This example defines three markers: 'Struct', 'Description' & 'Fields'
# The first two markers contain arbitrary text, while the last one contains
# a list of field
#
#
# each field is simple of the format: WORD :: TEXT....
#
# Note that typically, each comment block is followed by some source
# code declaration that may need to be kept in the reference..
#
def make_block_list():
"""parse a file and extract comments blocks from it"""
list = []
block = []
format = 0
# we use "format" to store the state of our parser:
#
# 0 - wait for beginning of comment
# 1 - parse comment format 1
# 2 - parse comment format 2
#
# 4 - wait for beginning of source (or comment ??)
# 5 - process source
#
comment = []
source = []
state = 0
for line in fileinput.input():
# remove trailing CR
l = len(line)
if l > 0 and line[l-1] == '\012':
line = line[0:l-1]
# stripped version of the line
line2 = string.strip(line)
l = len(line2)
# if this line begins with a comment and we're processing some source, exit
# to state 0
#
if format >= 4 and l > 2 and line2[0:2] == '/*':
list.append( (block,source) )
format = 0
if format == 0: ##################### wait beginning of comment ###########
if l > 3 and line2[0:3] == '/**':
i = 3
while (i < l) and (line2[i] == '*'):
i = i+1
if i == l:
# this is '/**' followed by any number of '*', the
# beginning of a Format 1 block
#
block = []
source = []
format = 1
elif (i == l-1) and (line2[i] == '/'):
# this is '/**' followed by any number of '*', followed
# by a '/', i.e. the beginning of a Format 2 or 3 block
#
block = []
source = []
format = 2
##############################################################
#
# FORMAT 1
#
elif format == 1:
# if the line doesn't begin with a "*", something went
# wrong, and we must exit, and forget the current block..
if (l == 0) or (line2[0] != '*'):
block = []
format = 0
# otherwise, we test for an end of block, which is an
# arbitrary number of '*', followed by '/'
else:
i = 1
while (i < l) and (line2[i] == '*'):
i = i+1
# test for the end of the block
if (i < l) and (line2[i] == '/'):
if block != []:
format = 4
else:
format = 0
else:
# otherwise simply append line to current block
block.append(line2)
continue
##############################################################
#
# FORMAT 2
#
elif format == 2:
# if the line doesn't begin with '/*' and end with '*/',
# this is the end of the format 2 format..
if (l < 4 ) or (line2[:2] != '/*') or (line2[-2:] != '*/'):
if block != []:
format = 4
else:
format = 0
else:
# remove the start and end comment delimiters, then right-strip
# the line
line2 = string.rstrip(line2[2:-2])
# check for end of a format2 block, i.e. a run of '*'
if string.count(line2,'*') == l-4:
if block != []:
format = 4
else:
format = 0
else:
# otherwise, add the line to the current block
block.append(line2)
continue
if format >= 4: ########################## source processing ################
if l > 0:
format = 5
if format == 5:
source.append(line)
if format >= 4:
list.append([block,source])
return list
# This function is only used for debugging
#
def dump_block_list( list ):
"""dump a comment block list"""
for block in list:
print "----------------------------------------"
for line in block[0]:
print line
for line in block[1]:
print line
print "---------the end-----------------------"
##############################################################################
#
# The DocCode class is used to store source code lines
#
class DocCode:
def __init__(self,margin=0):
self.lines = []
self.margin = margin
def add(self,line):
# remove margin whitespace
if string.strip( line[:self.margin] ) == "": line = line[self.margin:]
self.lines.append(line)
def dump(self):
max_width = 50
for line in self.lines:
print "--" + line
print ""
def dump_html(self):
# clean the last empty lines
l = len(self.lines)-1
while (len > 0) and string.strip(lines[len-1])=="":
len = len-1
print code_header
for line in self.lines[0:len]:
print lines
print code_footer
##############################################################################
#
# The DocParagraph is used to store either simple text paragraphs
# self.words is simply a list of words for the paragraph
#
class DocParagraph:
def __init__(self):
self.words = []
def add(self,line):
# get rid of unwanted spaces in the paragraph
self.words.extend( string.split(line) )
def dump(self):
max_width = 50
cursor = 0
line = ""
for word in self.words:
if cursor+len(word)+1 > max_width:
print line
cursor = 0
line = ""
line = line + word + " "
cursor = cursor + len(word) + 1
if cursor > 0:
print line
print ""
def dump_html(self):
print para_header
self.dump()
print para_footer
###########################################################################
#
# DocContent is used to store the content of a given marker.
#
#
#
class DocContent:
def __init__(self,lines_list):
self.items = []
code_mode = 0
code_margin = 0
text = []
paragraph = None
code = None
elements = []
field = None
for aline in lines_list:
if code_mode == 0:
line = string.lstrip(aline)
l = len(line)
margin = len(aline) - l
# if the line is empty, this is the end of the current
# paragraph
if l == 0 or line == '{':
if paragraph:
elements.append(paragraph)
paragraph = None
if line == "":
continue
code_mode = 1
code_margin = margin
code = None
continue
words = string.split(line)
# test for a field delimiter on the start of the line, i.e.
# the token `::'
#
if len(words) >= 2 and words[1] == "::":
if paragraph:
elements.append(paragraph)
paragraph = None
self.items.append( (field,elements) )
field = words[0]
elements = []
words = words[2:]
if len(words) > 0:
line = string.join(words)
if not paragraph:
paragraph = DocParagraph()
paragraph.add( line )
else:
line = aline
# the code block ends with a line that has a single '}' on it
if line == " "*code_margin+'}':
if code:
elements.append(code)
code = None
code_mode = 0
code_margin = 0
# otherwise, add the line to the current paragraph
else:
if not code:
code = DocCode()
code.add(line)
if paragraph:
elements.append(paragraph)
if code:
elements.append(code)
self.items.append( (field,elements) )
def dump(self):
for item in self.items:
field = item[0]
if field:
print "<field "+field+">"
for element in item[1]:
element.dump()
if field:
print "</field> "
def dump_html(self):
n = len(self.items)
in_table = 0
for i in range(n):
item = self.items[i]
field = item[0]
if not field:
if in_table:
print "</td></tr></table>"
in_table = 0
for element in item[1]:
element.dump_html()
else:
if not in_table:
print "<table cellpadding=4><tr valign=top><td>"
in_table = 1
else:
print "</td></tr><tr valign=top><td>"
print "<b>"+field+"</b></td><td>"
for element in item[1]:
element.dump_html()
if in_table:
print "</td></tr></table>"
######################################################################################
#
#
# The DocBlock class is used to store a given comment block. It contains
# a list of markers, as well as a list of contents for each marker.
#
#
class DocBlock:
def __init__(self, block_line_list=[], source_line_list=[]):
self.markers = []
self.contents = []
self.source = source_line_list
marker = ""
content = []
alphanum = string.letters + string.digits + "_"
for line in block_line_list:
line2 = string.lstrip(line)
l = len(line2)
margin = len(line) - l
if l > 3 and line2[0] == '<':
i = 1
while i < l and line2[i] in alphanum: i = i+1
if i < l and line2[i] == '>':
if marker or content:
self.add( marker, content )
marker = line2[1:i]
content = []
line2 = string.lstrip(line2[i+1:])
l = len(line2)
line = " "*margin + line2
content.append(line)
if marker or content:
self.add( marker, content )
def add( self, marker, lines ):
# remove the first and last empty lines from the content list
l = len(lines)
if l > 0:
i = 0
while l > 0 and string.strip(lines[l-1]) == "": l = l-1
while i < l and string.strip(lines[i]) == "": i = i+1
lines = lines[i:l]
l = len(lines)
# add a new marker only if its marker and its content list aren't empty
if l > 0 and marker:
self.markers.append(marker)
self.contents.append(lines)
def dump( self ):
for i in range( len(self.markers) ):
print "["+self.markers[i]+"]"
for line in self.contents[i]:
print "-- "+line
def doc_contents(self):
contents = []
for item in self.contents:
contents.append( DocContent(item) )
return contents
def dump_doc_blocks( block_list ):
for block in block_list:
docblock = DocBlock(block)
docblock.dump()
print "<<------------------->>"
#
#
#
def dump_single_content( block_list ):
block = block_list[0]
docblock = DocBlock(block)
print "<block>"
for i in range(len(docblock.markers)):
marker = docblock.markers[i]
contents = docblock.contents[i]
print "<marker "+marker+">"
doccontent = DocContent( contents )
doccontent.dump()
print "</marker>"
print "</block>"
def dump_doc_contents( block_list ):
for block in block_list:
docblock = DocBlock(block)
print "<block>"
for i in range(len(docblock.markers)):
print "<marker "+docblock.markers[i]+">"
content = DocContent( docblock.contents[i] )
content.dump()
print "</marker>"
print "</block>"
def dump_html_1( block_list ):
print html_header
types = [ 'Type', 'Struct', 'FuncType', 'Function', 'Constant', 'Enumeration' ]
for block in block_list:
docblock = DocBlock(block[0],block[1])
if len(docblock.markers) == 0:
continue
print block_header
for i in range(len(docblock.markers)):
marker = docblock.markers[i]
content = docblock.contents[i]
dcontent = DocContent( content )
if marker=="Description":
print "<ul><p>"
dcontent.dump()
print "</p></ul>"
elif marker in types:
print "<h3><font color=blue>"+content[0]+"</font></h3>"
else:
print "<h4>"+marker+"</h4>"
print "<ul><p>"
dcontent.dump_html()
print "</p></ul>"
print ""
print block_footer
# print source code
lines = block[1]
l = len(lines)-1
while (l >= 0) and string.strip(lines[l])=="":
l = l-1
print source_header
for line in lines[0:l+1]:
print line
print source_footer
print html_footer
def main(argv):
"""main program loop"""
print "extracting comment blocks from sources .."
list = make_block_list()
dump_html_1( list )
# If called from the command line
if __name__=='__main__': main(sys.argv)