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diff --git a/src/3rdparty/freetype/src/tools/docmaker/content.py b/src/3rdparty/freetype/src/tools/docmaker/content.py
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-#
-# content.py
-#
-# Parse comment blocks to build content blocks (library file).
-#
-# Copyright 2002-2018 by
-# David Turner.
-#
-# This file is part of the FreeType project, and may only be used,
-# modified, and distributed under the terms of the FreeType project
-# license, LICENSE.TXT. By continuing to use, modify, or distribute
-# this file you indicate that you have read the license and
-# understand and accept it fully.
-
-#
-# This file contains routines to parse documentation comment blocks,
-# building more structured objects out of them.
-#
-
-
-from sources import *
-from utils import *
-
-import string, re
-
-
-#
-# Regular expressions to detect code sequences. `Code sequences' are simply
-# code fragments embedded in '{' and '}', as demonstrated in the following
-# example.
-#
-# {
-# x = y + z;
-# if ( zookoo == 2 )
-# {
-# foobar();
-# }
-# }
-#
-# Note that the indentation of the first opening brace and the last closing
-# brace must be exactly the same. The code sequence itself should have a
-# larger indentation than the surrounding braces.
-#
-re_code_start = re.compile( r"(\s*){\s*$" )
-re_code_end = re.compile( r"(\s*)}\s*$" )
-
-
-#
-# A regular expression to isolate identifiers from other text. Two syntax
-# forms are supported:
-#
-# <name>
-# <name>[<id>]
-#
-# where both `<name>' and `<id>' consist of alphanumeric characters, `_',
-# and `-'. Use `<id>' if there are multiple, valid `<name>' entries; in the
-# index, `<id>' will be appended in parentheses.
-#
-# For example,
-#
-# stem_darkening[autofit]
-#
-# becomes `stem_darkening (autofit)' in the index.
-#
-re_identifier = re.compile( r"""
- ((?:\w|-)+
- (?:\[(?:\w|-)+\])?)
- """, re.VERBOSE )
-
-
-#
-# We collect macro names ending in `_H' (group 1), as defined in
-# `freetype/config/ftheader.h'. While outputting the object data, we use
-# this info together with the object's file location (group 2) to emit the
-# appropriate header file macro and its associated file name before the
-# object itself.
-#
-# Example:
-#
-# #define FT_FREETYPE_H <freetype.h>
-#
-re_header_macro = re.compile( r'^#define\s{1,}(\w{1,}_H)\s{1,}<(.*)>' )
-
-
-################################################################
-##
-## DOC CODE CLASS
-##
-## The `DocCode' class is used to store source code lines.
-##
-## `self.lines' contains a set of source code lines that will be dumped as
-## HTML in a <PRE> tag.
-##
-## The object is filled line by line by the parser; it strips the leading
-## `margin' space from each input line before storing it in `self.lines'.
-##
-class DocCode:
-
- def __init__( self, margin, lines ):
- self.lines = []
- self.words = None
-
- # remove margin spaces
- for l in lines:
- if string.strip( l[:margin] ) == "":
- l = l[margin:]
- self.lines.append( l )
-
- def dump( self, prefix = "", width = 60 ):
- lines = self.dump_lines( 0, width )
- for l in lines:
- print( prefix + l )
-
- def dump_lines( self, margin = 0, width = 60 ):
- result = []
- for l in self.lines:
- result.append( " " * margin + l )
- return result
-
-
-
-################################################################
-##
-## DOC PARA CLASS
-##
-## `Normal' text paragraphs are stored in the `DocPara' class.
-##
-## `self.words' contains the list of words that make up the paragraph.
-##
-class DocPara:
-
- def __init__( self, lines ):
- self.lines = None
- self.words = []
- for l in lines:
- l = string.strip( l )
- self.words.extend( string.split( l ) )
-
- def dump( self, prefix = "", width = 60 ):
- lines = self.dump_lines( 0, width )
- for l in lines:
- print( prefix + l )
-
- def dump_lines( self, margin = 0, width = 60 ):
- cur = "" # current line
- col = 0 # current width
- result = []
-
- for word in self.words:
- ln = len( word )
- if col > 0:
- ln = ln + 1
-
- if col + ln > width:
- result.append( " " * margin + cur )
- cur = word
- col = len( word )
- else:
- if col > 0:
- cur = cur + " "
- cur = cur + word
- col = col + ln
-
- if col > 0:
- result.append( " " * margin + cur )
-
- return result
-
-
-################################################################
-##
-## DOC FIELD CLASS
-##
-## The `DocField' class stores a list containing either `DocPara' or
-## `DocCode' objects. Each DocField object also has an optional `name'
-## that is used when the object corresponds to a field or value definition.
-##
-class DocField:
-
- def __init__( self, name, lines ):
- self.name = name # can be `None' for normal paragraphs/sources
- self.items = [] # list of items
-
- mode_none = 0 # start parsing mode
- mode_code = 1 # parsing code sequences
- mode_para = 3 # parsing normal paragraph
-
- margin = -1 # current code sequence indentation
- cur_lines = []
-
- # analyze the markup lines to check whether they contain paragraphs,
- # code sequences, or fields definitions
- #
- start = 0
- mode = mode_none
-
- for l in lines:
- # are we parsing a code sequence?
- if mode == mode_code:
- m = re_code_end.match( l )
- if m and len( m.group( 1 ) ) <= margin:
- # that's it, we finished the code sequence
- code = DocCode( 0, cur_lines )
- self.items.append( code )
- margin = -1
- cur_lines = []
- mode = mode_none
- else:
- # otherwise continue the code sequence
- cur_lines.append( l[margin:] )
- else:
- # start of code sequence?
- m = re_code_start.match( l )
- if m:
- # save current lines
- if cur_lines:
- para = DocPara( cur_lines )
- self.items.append( para )
- cur_lines = []
-
- # switch to code extraction mode
- margin = len( m.group( 1 ) )
- mode = mode_code
- else:
- if not string.split( l ) and cur_lines:
- # if the line is empty, we end the current paragraph,
- # if any
- para = DocPara( cur_lines )
- self.items.append( para )
- cur_lines = []
- else:
- # otherwise, simply add the line to the current
- # paragraph
- cur_lines.append( l )
-
- if mode == mode_code:
- # unexpected end of code sequence
- code = DocCode( margin, cur_lines )
- self.items.append( code )
- elif cur_lines:
- para = DocPara( cur_lines )
- self.items.append( para )
-
- def dump( self, prefix = "" ):
- if self.field:
- print( prefix + self.field + " ::" )
- prefix = prefix + "----"
-
- first = 1
- for p in self.items:
- if not first:
- print( "" )
- p.dump( prefix )
- first = 0
-
- def dump_lines( self, margin = 0, width = 60 ):
- result = []
- nl = None
-
- for p in self.items:
- if nl:
- result.append( "" )
-
- result.extend( p.dump_lines( margin, width ) )
- nl = 1
-
- return result
-
-
-#
-# A regular expression to detect field definitions.
-#
-# Examples:
-#
-# foo ::
-# foo.bar ::
-#
-re_field = re.compile( r"""
- \s*
- (
- \w*
- |
- \w (\w | \.)* \w
- )
- \s* ::
- """, re.VERBOSE )
-
-
-################################################################
-##
-## DOC MARKUP CLASS
-##
-class DocMarkup:
-
- def __init__( self, tag, lines ):
- self.tag = string.lower( tag )
- self.fields = []
-
- cur_lines = []
- field = None
- mode = 0
-
- for l in lines:
- m = re_field.match( l )
- if m:
- # We detected the start of a new field definition.
-
- # first, save the current one
- if cur_lines:
- f = DocField( field, cur_lines )
- self.fields.append( f )
- cur_lines = []
- field = None
-
- field = m.group( 1 ) # record field name
- ln = len( m.group( 0 ) )
- l = " " * ln + l[ln:]
- cur_lines = [l]
- else:
- cur_lines.append( l )
-
- if field or cur_lines:
- f = DocField( field, cur_lines )
- self.fields.append( f )
-
- def get_name( self ):
- try:
- return self.fields[0].items[0].words[0]
- except:
- return None
-
- def dump( self, margin ):
- print( " " * margin + "<" + self.tag + ">" )
- for f in self.fields:
- f.dump( " " )
- print( " " * margin + "</" + self.tag + ">" )
-
-
-################################################################
-##
-## DOC CHAPTER CLASS
-##
-class DocChapter:
-
- def __init__( self, block ):
- self.block = block
- self.sections = []
- if block:
- self.name = block.name
- self.title = block.get_markup_words( "title" )
- self.order = block.get_markup_words( "sections" )
- else:
- self.name = "Other"
- self.title = string.split( "Miscellaneous" )
- self.order = []
-
-
-################################################################
-##
-## DOC SECTION CLASS
-##
-class DocSection:
-
- def __init__( self, name = "Other" ):
- self.name = name
- self.blocks = {}
- self.block_names = [] # ordered block names in section
- self.defs = []
- self.abstract = ""
- self.description = ""
- self.order = []
- self.title = "ERROR"
- self.chapter = None
-
- def add_def( self, block ):
- self.defs.append( block )
-
- def add_block( self, block ):
- self.block_names.append( block.name )
- self.blocks[block.name] = block
-
- def process( self ):
- # look up one block that contains a valid section description
- for block in self.defs:
- title = block.get_markup_text( "title" )
- if title:
- self.title = title
- self.abstract = block.get_markup_words( "abstract" )
- self.description = block.get_markup_items( "description" )
- self.order = block.get_markup_words_all( "order" )
- return
-
- def reorder( self ):
- self.block_names = sort_order_list( self.block_names, self.order )
-
-
-################################################################
-##
-## CONTENT PROCESSOR CLASS
-##
-class ContentProcessor:
-
- def __init__( self ):
- """Initialize a block content processor."""
- self.reset()
-
- self.sections = {} # dictionary of documentation sections
- self.section = None # current documentation section
-
- self.chapters = [] # list of chapters
-
- self.headers = {} # dictionary of header macros
-
- def set_section( self, section_name ):
- """Set current section during parsing."""
- if not section_name in self.sections:
- section = DocSection( section_name )
- self.sections[section_name] = section
- self.section = section
- else:
- self.section = self.sections[section_name]
-
- def add_chapter( self, block ):
- chapter = DocChapter( block )
- self.chapters.append( chapter )
-
- def reset( self ):
- """Reset the content processor for a new block."""
- self.markups = []
- self.markup = None
- self.markup_lines = []
-
- def add_markup( self ):
- """Add a new markup section."""
- if self.markup and self.markup_lines:
-
- # get rid of last line of markup if it's empty
- marks = self.markup_lines
- if len( marks ) > 0 and not string.strip( marks[-1] ):
- self.markup_lines = marks[:-1]
-
- m = DocMarkup( self.markup, self.markup_lines )
-
- self.markups.append( m )
-
- self.markup = None
- self.markup_lines = []
-
- def process_content( self, content ):
- """Process a block content and return a list of DocMarkup objects
- corresponding to it."""
- markup = None
- markup_lines = []
- first = 1
-
- margin = -1
- in_code = 0
-
- for line in content:
- if in_code:
- m = re_code_end.match( line )
- if m and len( m.group( 1 ) ) <= margin:
- in_code = 0
- margin = -1
- else:
- m = re_code_start.match( line )
- if m:
- in_code = 1
- margin = len( m.group( 1 ) )
-
- found = None
-
- if not in_code:
- for t in re_markup_tags:
- m = t.match( line )
- if m:
- found = string.lower( m.group( 1 ) )
- prefix = len( m.group( 0 ) )
- # remove markup from line
- line = " " * prefix + line[prefix:]
- break
-
- # is it the start of a new markup section ?
- if found:
- first = 0
- self.add_markup() # add current markup content
- self.markup = found
- if len( string.strip( line ) ) > 0:
- self.markup_lines.append( line )
- elif first == 0:
- self.markup_lines.append( line )
-
- self.add_markup()
-
- return self.markups
-
- def parse_sources( self, source_processor ):
- blocks = source_processor.blocks
- count = len( blocks )
-
- for n in range( count ):
- source = blocks[n]
- if source.content:
- # this is a documentation comment, we need to catch
- # all following normal blocks in the "follow" list
- #
- follow = []
- m = n + 1
- while m < count and not blocks[m].content:
- follow.append( blocks[m] )
- m = m + 1
-
- doc_block = DocBlock( source, follow, self )
-
- def finish( self ):
- # process all sections to extract their abstract, description
- # and ordered list of items
- #
- for sec in self.sections.values():
- sec.process()
-
- # process chapters to check that all sections are correctly
- # listed there
- for chap in self.chapters:
- for sec in chap.order:
- if sec in self.sections:
- section = self.sections[sec]
- section.chapter = chap
- section.reorder()
- chap.sections.append( section )
- else:
- sys.stderr.write( "WARNING: chapter '" + \
- chap.name + "' in " + chap.block.location() + \
- " lists unknown section '" + sec + "'\n" )
-
- # check that all sections are in a chapter
- #
- others = []
- for sec in self.sections.values():
- if not sec.chapter:
- sec.reorder()
- others.append( sec )
-
- # create a new special chapter for all remaining sections
- # when necessary
- #
- if others:
- chap = DocChapter( None )
- chap.sections = others
- self.chapters.append( chap )
-
-
-################################################################
-##
-## DOC BLOCK CLASS
-##
-class DocBlock:
-
- def __init__( self, source, follow, processor ):
- processor.reset()
-
- self.source = source
- self.code = []
- self.type = "ERRTYPE"
- self.name = "ERRNAME"
- self.section = processor.section
- self.markups = processor.process_content( source.content )
-
- # compute block type from first markup tag
- try:
- self.type = self.markups[0].tag
- except:
- pass
-
- # compute block name from first markup paragraph
- try:
- markup = self.markups[0]
- para = markup.fields[0].items[0]
- name = para.words[0]
- m = re_identifier.match( name )
- if m:
- name = m.group( 1 )
- self.name = name
- except:
- pass
-
- if self.type == "section":
- # detect new section starts
- processor.set_section( self.name )
- processor.section.add_def( self )
- elif self.type == "chapter":
- # detect new chapter
- processor.add_chapter( self )
- else:
- processor.section.add_block( self )
-
- # now, compute the source lines relevant to this documentation
- # block. We keep normal comments in for obvious reasons (??)
- source = []
- for b in follow:
- if b.format:
- break
- for l in b.lines:
- # collect header macro definitions
- m = re_header_macro.match( l )
- if m:
- processor.headers[m.group( 2 )] = m.group( 1 );
-
- # we use "/* */" as a separator
- if re_source_sep.match( l ):
- break
- source.append( l )
-
- # now strip the leading and trailing empty lines from the sources
- start = 0
- end = len( source ) - 1
-
- while start < end and not string.strip( source[start] ):
- start = start + 1
-
- while start < end and not string.strip( source[end] ):
- end = end - 1
-
- if start == end and not string.strip( source[start] ):
- self.code = []
- else:
- self.code = source[start:end + 1]
-
- def location( self ):
- return self.source.location()
-
- def get_markup( self, tag_name ):
- """Return the DocMarkup corresponding to a given tag in a block."""
- for m in self.markups:
- if m.tag == string.lower( tag_name ):
- return m
- return None
-
- def get_markup_words( self, tag_name ):
- try:
- m = self.get_markup( tag_name )
- return m.fields[0].items[0].words
- except:
- return []
-
- def get_markup_words_all( self, tag_name ):
- try:
- m = self.get_markup( tag_name )
- words = []
- for item in m.fields[0].items:
- # We honour empty lines in an `<Order>' section element by
- # adding the sentinel `/empty/'. The formatter should then
- # convert it to an appropriate representation in the
- # `section_enter' function.
- words += item.words
- words.append( "/empty/" )
- return words
- except:
- return []
-
- def get_markup_text( self, tag_name ):
- result = self.get_markup_words( tag_name )
- return string.join( result )
-
- def get_markup_items( self, tag_name ):
- try:
- m = self.get_markup( tag_name )
- return m.fields[0].items
- except:
- return None
-
-# eof