Author: wmb Date: 2008-02-27 05:40:24 +0100 (Wed, 27 Feb 2008) New Revision: 816
Added: cpu/x86/pc/olpc/parsekbd0.py Log: New file parsekbd0.py makes KA tags from old-style tables in Libya and Thailand keyboard wiki pages.
Added: cpu/x86/pc/olpc/parsekbd0.py =================================================================== --- cpu/x86/pc/olpc/parsekbd0.py (rev 0) +++ cpu/x86/pc/olpc/parsekbd0.py 2008-02-27 04:40:24 UTC (rev 816) @@ -0,0 +1,262 @@ +#!/usr/bin/python +# parsekbd.py +# Usage: python parsekbd.py OLPC_Nigeria_Keyboard +# +# Gets the wiki page (e.g.) http://wiki.laptop.org/go/OLPC_Nigeria_Keyboard +# Parses the keyboard table contained therein and converts it to a KA +# tag per http://wiki.laptop.org/go/Manufacturing_Data#Keyboard_ASCII_Map. +# +# The output is stored in a file named (e.g.) OLPC_Nigeria_Keyboard.ka +# +# Warnings on standard output tell you if duplicate entries are discarded +# or if some ASCII characters are not present. +# +# In a few cases, this program substitutes dead_{grave,circumflex,tilde} +# for {grave,asciicircumflex,asciitilde} because the ascii versions are +# in inaccessible locations (the firmware has only shift, unshift, AltGr +# maps, so a Shift-AltGr symbol is inaccessible). + +from sys import * +from urllib import * +from HTMLParser import HTMLParser + +lastdata = "" +indent = 0 +tableseen = False +keys = 128*[0] +modifiers = 128*[0] +column = 0 +keyid = 0 + +# Convert from textual names of punctuation characters to the ASCII character +punctuation = { + 'exclam':ord('!'), + 'at':ord('@'), + 'numbersign':ord('#'), + 'dollar':ord('$'), + 'percent':ord('%'), + 'asciicircum':ord('^'), + 'dead_circumflex':ord('^'), + 'ampersand':ord('&'), + 'asterisk':ord('*'), + 'parenleft':ord('('), + 'parenright':ord(')'), + 'underscore':ord('_'), + 'plus':ord('+'), + 'minus':ord('-'), + 'equal':ord('='), + 'semicolon':ord(';'), + 'colon':ord(':'), + 'apostrophe':ord('''), + 'grave':ord('`'), + 'dead_grave':ord('`'), + 'quotedbl':ord('"'), + 'dblquote':ord('"'), + 'bar':ord('|'), + 'less':ord('<'), + 'greater':ord('>'), + 'period':ord('.'), + 'slash':ord('/'), + 'backslash':ord('\'), + 'question':ord('?'), + 'comma':ord(','), + 'bracketleft':ord('['), + 'bracketright':ord(']'), + 'braceleft':ord('{'), + 'braceright':ord('}'), + 'asciitilde':ord('~') , + 'dead_tilde':ord('~') , + 'backspace':8, + 'space':32, + 'tab':9, + 'linefeed':10, + 'enter':13, + 'esc':27, + 'escape':27, + 'del':127, + 'delete':127, + '&':ord('&'), + '<':ord('<'), + '>':ord('>'), +} + +def string_to_ascii(s): + if len(s) == 0: + return -1 + if len(s) == 1: + return ord(s) + try: + i = punctuation[s] + return i + except: + pass + if (len(s) == 3) & (s[:2] == 'C-'): + return ord(s[2]) & 0x1f + return -1 + +def handle_key(modifier, s): + global keyid + ascii = string_to_ascii(s) + if ascii == -1: + return + if keys[ascii] != 0: + if (ascii >= 0x20) & (((modifier & 1) == 0) & (keys[ascii] != keyid)): + if modifier < modifiers[ascii]: + print "Replacing", chr(ascii), "at keyid", keys[ascii], "modifier", modifiers[ascii], "with keyid", keyid, "modifier", modifier + else: + print "Discarding", chr(ascii), "at keyid", keyid, "modifier", modifier, "because keyid", keys[ascii], "modifier", modifiers[ascii], "is better" + return + if ascii < 0x20: + if (modifier & 2) != 0: # ctrl + if keys[ascii + 0x60] == keyid: + return + if keys[ascii + 0x40] == keyid: + return + keys[ascii] = keyid + modifiers[ascii] = modifier + +def do_key(): + global column, keyid, lastdata + s = lastdata.strip() + if column == 1: # row + pass + elif column == 2: # Key + if s.isdigit(): + keyid = int(s) + elif column == 3: # Unmodified + handle_key(0,s) + elif column == 4: # Shift + handle_key(1,s) + elif column == 5: # AltGR + handle_key(4,s) + elif column == 6: # Shift AltGr + # handle_key(5,s) + pass + elif column == 7: # Ctrl + handle_key(2,s) + elif column == 8: # Ctrl Shift + handle_key(6,s) + elif column == 9: # Fn + handle_key(8,s) + elif column == 10: # comment + pass + elif column == 11: # another comment + pass + +class MyHTMLParser(HTMLParser): + def handle_starttag(self, tag, attrs): + global column, keyid, indent, lastdata + #for i in range(indent): + # print "", + #print "<", tag + #indent = indent+2 + if tag == 'tr': + column = 0 + keyid = 0 + elif tag == 'td': + lastdata = "" + column = column + 1; + + def handle_endtag(self, tag): + global tableseen, column, keyid, indent + #for i in range(indent): + # print "", + #print tag,">" + #indent = indent - 2 + #if indent < 0: + # indent = 0 + + if tag == 'table': + tableseen = True + elif (tag == 'td') & tableseen: + do_key() + + def handle_data(self, data): + global lastdata, indent + #for i in range(indent): + # print "", + #print "{", data, "}" + lastdata = lastdata + data.strip() + if lastdata.startswith("There is currently no text"): + print "No such Wiki page" + raise + + def handle_entityref(self, data): + global lastdata, indent + #for i in range(indent): + # print "", + #print "{", data, "}" + # print "Entity", data.strip() + lastdata = lastdata + "&" + data.strip() + ";" + +# This table converts from the IBM physical keystation number to +# the corresponding scancode value in scan set 1. + +# 0 1 3 3 4 5 6 7 8 9 +scan1_map = [ + 0x00, 0x29, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, # 0x + 0x0a, 0x0b, 0x0c, 0x0d, 0x00, 0x0e, 0x0f, 0x10, 0x11, 0x12, # 1x + 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x2b, # 2x + 0x3a, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, # 3x + 0x27, 0x28, 0x2b, 0x1c, 0x2a, 0x56, 0x2c, 0x2d, 0x2e, 0x2f, # 4x + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x73, 0x36, 0x1d, 0x00, # 5x + 0x38, 0x39, 0x38, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x00, 0x00, # 6x + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, # 7x + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, # 8x + 0x45, 0x47, 0x4B, 0x4F, 0x00, 0x00, 0x48, 0x4C, 0x50, 0x52, # 9x + 0x37, 0x49, 0x4D, 0x51, 0x53, 0x4A, 0x4E, 0x00, 0x1c, 0x00, # 10x + 0x01, 0x00, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, # 11x + 0x43, 0x44, 0x57, 0x58, 0x00, 0x46, 0x00, 0x00, 0x00, 0x00, # 12x + 0x79, 0x01, 0x00, 0x5c, 0x73, 0x6e, 0x00, 0x00, 0x00, 0x00, # 13x (analog intermediates) + 0x00, 0x00, 0x00, 0x00, 0x00, # 14x +] + +def put_ka_format(outfile): + global keys, modifiers + # a-z - output scancode only; unshifted map is implied + # and shifted map is derived automatically + for i in range(ord('a'),ord('a')+26): + if (keys[i] == 0): + print "Missing",chr(i) + if modifiers[i] != 0: + print chr(i),"is modified" + outfile.write(chr(scan1_map[keys[i]])) + + # Numbers and punctuation - output scancode and keymap number + for i in '0123456789!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~': + ascii = ord(i) + if (keys[ascii] == 0): + print "Missing",i + if (modifiers[ascii] & 0xa) != 0: + print i,"is Ctrl or Fn" + outfile.write(chr(scan1_map[keys[ascii]])) + + if (modifiers[ascii] & 0x4) != 0: + # modifier & 4 implies AltGr map + outfile.write(chr(2)) + else: + # otherwise it's either the shift (1) or unshift (0) map + outfile.write(chr(modifiers[ascii] & 1)) + + outfile.write(chr(0)) # Null terminator + + outfile.write(chr(111 ^ 0xff)) + outfile.write(chr(111)) + outfile.write('KA') + +if len(argv) != 2: + print "Usage: python parsekbd.py PageName" +else: + try: + print "Getting",'http://wiki.laptop.org/go/' + argv[1] + infile = urlopen('http://wiki.laptop.org/go/' + argv[1]) + myparser=MyHTMLParser() + myparser.feed(infile.read()) + myparser.close() + infile.close() + outfile = open(argv[1] + '.ka', 'w') + put_ka_format(outfile) + outfile.close() + print "Output at",argv[1] + '.ka' + except: + print "Failed"
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