#!/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 = """
FreeType 2 API Reference

FreeType 2 API Reference

""" html_footer = """
""" code_header = """ 
"""

code_footer = """
""" para_header = "

" para_footer = "

" block_header = """
""" block_footer = "
" source_header = """
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source_footer = """


""" # 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: # # # MyStruct # # # this structure holds some data # # # 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(): 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 are 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 for 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 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 # # the following line is the same as # # self.words.extend( string.split( line ) ) # # but older Python versions don't have the `extend' attribute # self.words[len( self.words ) : len( self.words )] = \ 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 "" for element in item[1]: element.dump() if field: print " " 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 "" in_table = 0 for element in item[1]: element.dump_html() else: if not in_table: print "
" in_table = 1 else: print "
" print "" + field + "" for element in item[1]: element.dump_html() if in_table: print "
" ###################################################################################### # # # 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 "" for i in range( len( docblock.markers ) ): marker = docblock.markers[i] contents = docblock.contents[i] print "" doccontent = DocContent( contents ) doccontent.dump() print "" print "" def dump_doc_contents( block_list ): for block in block_list: docblock = DocBlock( block ) print "" for i in range( len( docblock.markers ) ): print "" content = DocContent( docblock.contents[i] ) content.dump() print "" print "" 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 "

    " dcontent.dump() print "

" elif marker in types: print "

" + content[0] + "

" else: print "

" + marker + "

" print "

    " dcontent.dump_html() print "

" 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""" sys.stderr.write( "extracting comment blocks from sources...\n" ) list = make_block_list() dump_html_1( list ) # If called from the command line if __name__ == '__main__': main( sys.argv ) # eof