661 lines
15 KiB
Python
661 lines
15 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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html_header = """
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<html>
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<header>
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<title>FreeType 2 API Reference</title>
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<basefont face="Georgia, Arial, Helvetica, Geneva">
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<style content="text/css">
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P { text-align=justify }
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H1 { text-align=center }
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H2 { text-align=center }
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LI { text-align=justify }
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</style>
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</header>
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<body text="#000000"
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bgcolor="#FFFFFF"
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link="#0000EF"
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vlink="#51188E"
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alink="#FF0000">
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<center><h1>FreeType 2 API Reference</h1></center>
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<center><table width="80%"><tr><td>
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"""
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html_footer = """
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</td></tr>
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</table></center>
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</body>
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</html>
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"""
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code_header = """
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<font color=blue><pre>
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"""
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code_footer = """
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</pre></font>
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"""
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para_header = "<p>"
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para_footer = "</p>"
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block_header = """<table width="100%"><tr><td>"""
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block_footer = "</table>"
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source_header = """<table width="100%"><tr bgcolor="#D6E8FF" width="100%"><td><pre>
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"""
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source_footer = """</pre></table>
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<br><br>
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"""
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# The FreeType 2 reference is extracted from the source files. These contain
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# various comment blocks that follow one of the following formats:
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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 contains a list of markers, each one can be followed by
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# some arbitrary text or a list of fields. Here's an example:
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#
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# <Struct>
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# MyStruct
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#
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# <Description>
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# this structure holds some data
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#
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# <Fields>
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# x :: horizontal coordinate
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# y :: vertical coordinate
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#
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#
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# This example defines three markers: 'Struct', 'Description' & 'Fields'
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# The first two markers contain arbitrary text, while the last one contains
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# a list of field
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#
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#
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# each field is simple of the format: WORD :: TEXT....
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#
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# Note that typically, each comment block is followed by some source
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# code declaration that may need to be kept in the reference..
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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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# we use "format" to store the state of our parser:
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#
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# 0 - wait for beginning of comment
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# 1 - parse comment format 1
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# 2 - parse comment format 2
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#
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# 4 - wait for beginning of source (or comment ??)
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# 5 - process source
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#
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comment = []
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source = []
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state = 0
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for line in fileinput.input():
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# remove trailing CR
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l = len(line)
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if l > 0 and line[l-1] == '\012':
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line = line[0:l-1]
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# stripped version of the line
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line2 = string.strip(line)
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l = len(line2)
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# if this line begins with a comment and we're processing some source, exit
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# to state 0
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#
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if format >= 4 and l > 2 and line2[0:2] == '/*':
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list.append( (block,source) )
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format = 0
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if format == 0: ##################### wait beginning of comment ###########
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if l > 3 and line2[0:3] == '/**':
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i = 3
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while (i < l) and (line2[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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source = []
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format = 1
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elif (i == l-1) and (line2[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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source = []
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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 (line2[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 (line2[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 (line2[i] == '/'):
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if block != []:
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format = 4
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else:
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format = 0
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else:
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# otherwise simply append line to current block
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block.append(line2)
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continue
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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 (line2[:2] != '/*') or (line2[-2:] != '*/'):
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if block != []:
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format = 4
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else:
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format = 0
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else:
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# remove the start and end comment delimiters, then right-strip
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# the line
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line2 = string.rstrip(line2[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(line2,'*') == l-4:
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if block != []:
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format = 4
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else:
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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(line2)
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continue
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if format >= 4: ########################## source processing ################
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if l > 0:
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format = 5
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if format == 5:
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source.append(line)
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if format >= 4:
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list.append([block,source])
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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[0]:
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print line
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for line in block[1]:
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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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# The DocCode class is used to store source code lines
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#
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class DocCode:
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def __init__(self,margin=0):
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self.lines = []
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self.margin = margin
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def add(self,line):
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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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for line in self.lines:
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print "--" + line
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print ""
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def dump_html(self):
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# clean the last empty lines
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l = len(self.lines)-1
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while (len > 0) and string.strip(lines[len-1])=="":
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len = len-1
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print code_header
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for line in self.lines[0:len]:
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print lines
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print code_footer
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##############################################################################
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#
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# The DocParagraph is used to store either simple text paragraphs
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# self.words 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):
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self.words = []
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def add(self,line):
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# get rid of unwanted spaces in the paragraph
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self.words.extend( string.split(line) )
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def dump(self):
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max_width = 50
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cursor = 0
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line = ""
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for word in self.words:
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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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print ""
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def dump_html(self):
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print para_header
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self.dump()
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print para_footer
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###########################################################################
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#
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# DocContent is used to store the content of a given marker.
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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,lines_list):
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self.items = []
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code_mode = 0
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code_margin = 0
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text = []
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paragraph = None
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code = None
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elements = []
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field = None
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for aline in lines_list:
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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 l == 0 or line == '{':
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if paragraph:
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elements.append(paragraph)
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paragraph = None
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if line == "":
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continue
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code_mode = 1
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code_margin = margin
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code = None
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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 token `::'
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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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elements.append(paragraph)
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paragraph = None
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self.items.append( (field,elements) )
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field = words[0]
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elements = []
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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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if code:
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elements.append(code)
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code = 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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if not code:
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code = DocCode()
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code.add(line)
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if paragraph:
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elements.append(paragraph)
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if code:
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elements.append(code)
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self.items.append( (field,elements) )
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def dump(self):
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for item in self.items:
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field = item[0]
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if field:
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print "<field "+field+">"
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for element in item[1]:
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element.dump()
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if field:
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print "</field> "
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def dump_html(self):
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n = len(self.items)
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in_table = 0
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for i in range(n):
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item = self.items[i]
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field = item[0]
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if not field:
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if in_table:
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print "</td></tr></table>"
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in_table = 0
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for element in item[1]:
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element.dump_html()
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else:
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if not in_table:
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print "<table cellpadding=4><tr valign=top><td>"
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in_table = 1
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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 element in item[1]:
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element.dump_html()
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if in_table:
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print "</td></tr></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=[], source_line_list=[]):
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self.markers = []
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self.contents = []
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self.source = source_line_list
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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_header
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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[0],block[1])
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if len(docblock.markers) == 0:
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continue
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print block_header
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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 block_footer
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# print source code
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lines = block[1]
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l = len(lines)-1
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while (l >= 0) and string.strip(lines[l])=="":
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l = l-1
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print source_header
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for line in lines[0:l+1]:
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print line
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print source_footer
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print html_footer
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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_html_1( 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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