b916b1e53f
There is still some work on it to allow the following:
- multiple input files
- block classification according to block's first markers
(e.g. types, functions, constants, etc..)
- indexing and cross-linking
- better layout ;-)
517 lines
12 KiB
Python
517 lines
12 KiB
Python
#!/usr/bin/env python
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#
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# DocMaker is a very simple program used to generate HTML documentation
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# from the source files of the FreeType packages.
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#
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import fileinput, sys, string
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# This function is used to parse a source file, and extract comment blocks
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# from it. The following comment block formats are recognized :
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#
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# /**************************
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# *
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# * FORMAT1
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# *
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# *
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# *
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# *
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# *************************/
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#
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# /**************************/
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# /* */
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# /* FORMAT2 */
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# /* */
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# /* */
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# /* */
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# /* */
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#
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# /**************************/
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# /* */
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# /* FORMAT3 */
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# /* */
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# /* */
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# /* */
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# /* */
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# /**************************/
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#
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# Each block is modeled as a simple list of text strings
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# The function returns a list of blocks, i.e. a list of strings lists
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#
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def make_block_list():
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"""parse a file and extract comments blocks from it"""
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list = []
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block = []
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format = 0
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for line in fileinput.input():
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line = string.strip(line)
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l = len(line)
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if format == 0:
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if l > 3 and line[0:3] == '/**':
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i = 3
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while (i < l) and (line[i] == '*'):
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i = i+1
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if i == l:
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# this is '/**' followed by any number of '*', the
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# beginning of a Format 1 block
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#
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block = [];
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format = 1;
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elif (i == l-1) and (line[i] == '/'):
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# this is '/**' followed by any number of '*', followed
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# by a '/', i.e. the beginning of a Format 2 or 3 block
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#
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block = [];
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format = 2;
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##############################################################
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#
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# FORMAT 1
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#
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elif format == 1:
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# if the line doesn't begin with a "*", something went
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# wrong, and we must exit, and forget the current block..
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if (l == 0) or (line[0] != '*'):
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block = []
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format = 0
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# otherwise, we test for an end of block, which is an
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# arbitrary number of '*', followed by '/'
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else:
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i = 1
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while (i < l) and (line[i] == '*'):
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i = i+1
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# test for the end of the block
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if (i < l) and (line[i] == '/'):
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if block != []: list.append( block )
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format = 0
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block = []
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else:
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block.append( line[1:] )
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##############################################################
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#
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# FORMAT 2
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#
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elif format == 2:
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# if the line doesn't begin with '/*' and end with '*/',
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# this is the end of the format 2 format..
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if (l < 4 ) or (line[:2] != '/*') or (line[-2:] != '*/'):
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if block != []: list.append(block)
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block = []
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format = 0
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continue
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# remove the start and end comment delimiters, then right-strip
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# the line
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line = string.rstrip(line[2:-2])
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# check for end of a format2 block, i.e. a run of '*'
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if string.count(line,'*') == l-4:
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if block != []: list.append(block)
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block = []
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format = 0
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else:
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# otherwise, add the line to the current block
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block.append(line)
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return list
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# This function is only used for debugging
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#
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def dump_block_list( list ):
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"""dump a comment block list"""
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for block in list:
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print "----------------------------------------"
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for line in block:
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print line
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print "---------the end-----------------------"
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######################################################################################
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#
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#
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# The DocParagraph is used to store either simple text paragraph or
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# source code lines
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#
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#
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# If the paragraph contains source code (use code=1 when initializing the
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# object), self.lines is a list of source code strings
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#
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# Otherwise, self.lines is simply a list of words for the paragraph
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#
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class DocParagraph:
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def __init__(self,code=0,margin=0):
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self.lines = []
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self.code = code
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self.margin = margin
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def add(self,line):
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if self.code==0:
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# get rid of unwanted spaces in the paragraph
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self.lines.extend( string.split(line) )
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else:
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# remove margin whitespace
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if string.strip( line[:self.margin] ) == "": line = line[self.margin:]
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self.lines.append(line)
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def dump(self):
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max_width = 50
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if self.code == 0:
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cursor = 0
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line = ""
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for word in self.lines:
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if cursor+len(word)+1 > max_width:
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print line
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cursor = 0
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line = ""
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line = line + word + " "
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cursor = cursor + len(word) + 1
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if cursor > 0:
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print line
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else:
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for line in self.lines:
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print "--" + line
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print ""
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######################################################################################
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#
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#
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# The DocContent class is used to store the content of a given marker
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# Each DocContent can have its own text, plus a list of fields. Each field
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# has its own text too
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#
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# Hence, the following lines :
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#
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# """
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# Some arbitraty text:
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#
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# fieldone :: some arbitraty text for this field,
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# note that the text stretches to several lines
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#
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# fieldtwo :: some other text
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#
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# """
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#
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# will be stored as (each text is a list of string:
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#
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# self.fields = [ "", "fieldone", "fieldtwo" ]
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# self.texts = [
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# [ "some arbitraty text for this field," ,
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# "note that the text stretches to several lines" ],
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#
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# [ "some other text" ]
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# ]
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#
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#
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class DocContent:
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def __init__(self, paragraph_lines=[]):
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self.fields = []
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self.texts = []
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code_mode = 0
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code_margin = 0
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field = ""
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text = []
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paragraph = None
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for aline in paragraph_lines:
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if code_mode == 0:
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line = string.lstrip(aline)
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l = len(line)
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margin = len(aline) - l
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# if the line is empty, this is the end of the current
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# paragraph
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if line == "":
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if paragraph:
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text.append(paragraph)
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paragraph = None
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continue
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# test for the beginning of a code block, i.e.'{' is the first
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# and only character on the line..
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#
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if line == '{':
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code_mode = 1
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code_margin = margin
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if paragraph:
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text.append(paragraph)
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paragraph = DocParagraph( 1, margin )
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continue
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words = string.split(line)
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# test for a field delimiter on the start of the line, i.e.
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# the oken `::'
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#
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if len(words) >= 2 and words[1] == "::":
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if paragraph:
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text.append(paragraph)
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paragraph = None
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self.fields.append(field)
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self.texts.append(text)
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field = words[0]
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text = []
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words = words[2:]
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if len(words) > 0:
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line = string.join(words)
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if not paragraph:
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paragraph = DocParagraph()
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paragraph.add( line )
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else:
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line = aline
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# the code block ends with a line that has a single '}' on it
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if line == " "*code_margin+'}':
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text.append(paragraph)
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paragraph = None
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code_mode = 0
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code_margin = 0
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# otherwise, add the line to the current paragraph
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else:
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paragraph.add(line)
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if paragraph:
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text.append(paragraph)
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self.fields.append( field )
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self.texts.append( text )
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def dump(self):
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for i in range(len(self.fields)):
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field = self.fields[i]
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if field: print "<field "+field+">"
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for paras in self.texts[i]:
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paras.dump()
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if field: print "</field> "
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def dump_html(self):
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n = len(self.fields)
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for i in range(n):
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field = self.fields[i]
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if field==[]:
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print "<p>"
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for paras in self.texts[i]:
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print "<p>"
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paras.dump()
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print "</p>"
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else:
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if i==1:
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print "<table cellpadding=4><tr valign=top><td>"
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else:
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print "</td></tr><tr valign=top><td>"
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print "<b>"+field+"</b></td><td>"
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for paras in self.texts[i]:
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print "<p>"
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paras.dump()
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print "</p>"
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print "</td></tr>"
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if n > 1:
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print "</table>"
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######################################################################################
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#
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#
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# The DocBlock class is used to store a given comment block. It contains
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# a list of markers, as well as a list of contents for each marker.
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#
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#
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class DocBlock:
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def __init__(self, block_line_list=[]):
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self.markers = []
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self.contents = []
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marker = ""
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content = []
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alphanum = string.letters + string.digits + "_"
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for line in block_line_list:
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line2 = string.lstrip(line)
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l = len(line2)
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margin = len(line) - l
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if l > 3 and line2[0] == '<':
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i = 1
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while i < l and line2[i] in alphanum: i = i+1
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if i < l and line2[i] == '>':
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if marker or content:
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self.add( marker, content )
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marker = line2[1:i]
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content = []
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line2 = string.lstrip(line2[i+1:])
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l = len(line2)
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line = " "*margin + line2
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content.append(line)
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if marker or content:
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self.add( marker, content )
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def add( self, marker, lines ):
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# remove the first and last empty lines from the content list
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l = len(lines)
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if l > 0:
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i = 0
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while l > 0 and string.strip(lines[l-1]) == "": l = l-1
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while i < l and string.strip(lines[i]) == "": i = i+1
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lines = lines[i:l]
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l = len(lines)
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# add a new marker only if its marker and its content list aren't empty
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if l > 0 and marker:
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self.markers.append(marker)
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self.contents.append(lines)
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def dump( self ):
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for i in range( len(self.markers) ):
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print "["+self.markers[i]+"]"
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for line in self.contents[i]:
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print "-- "+line
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def doc_contents(self):
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contents = []
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for item in self.contents:
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contents.append( DocContent(item) )
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return contents
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def dump_doc_blocks( block_list ):
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for block in block_list:
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docblock = DocBlock(block)
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docblock.dump()
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print "<<------------------->>"
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#
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#
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#
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def dump_single_content( block_list ):
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block = block_list[0]
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docblock = DocBlock(block)
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print "<block>"
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for i in range(len(docblock.markers)):
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marker = docblock.markers[i]
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contents = docblock.contents[i]
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print "<marker "+marker+">"
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doccontent = DocContent( contents )
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doccontent.dump()
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print "</marker>"
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print "</block>"
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def dump_doc_contents( block_list ):
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for block in block_list:
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docblock = DocBlock(block)
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print "<block>"
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for i in range(len(docblock.markers)):
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print "<marker "+docblock.markers[i]+">"
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content = DocContent( docblock.contents[i] )
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content.dump()
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print "</marker>"
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print "</block>"
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def dump_html_1( block_list ):
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print "<html><body>"
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types = [ 'Type', 'Struct', 'FuncType', 'Function', 'Constant', 'Enumeration' ]
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for block in block_list:
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docblock = DocBlock(block)
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print "<hr>"
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for i in range(len(docblock.markers)):
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marker = docblock.markers[i]
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content = docblock.contents[i]
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dcontent = DocContent( content )
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if marker=="Description":
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print "<ul><p>"
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dcontent.dump()
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print "</p></ul>"
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elif marker in types:
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print "<h3><font color=blue>"+content[0]+"</font></h3>"
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else:
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print "<h4>"+marker+"</h4>"
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print "<ul><p>"
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dcontent.dump_html()
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print "</p></ul>"
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print ""
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print "<hr></body></html>"
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def main(argv):
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"""main program loop"""
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print "extracting comment blocks from sources .."
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list = make_block_list()
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# dump_block_list( list )
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# dump_doc_blocks( list )
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# print "dumping block contents .."
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# dump_doc_contents(list)
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dump_html_1(list)
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# dump_single_content(list)
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# If called from the command line
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if __name__=='__main__': main(sys.argv)
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