Irix 6 specific files -- thanks Sjoerd!

1 files changed, 455 insertions, 0 deletions

diff --git a/Lib/plat-irix6/flp.py b/Lib/plat-irix6/flp.py
new file mode 100644
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+++ b/Lib/plat-irix6/flp.py
@@ -0,0 +1,455 @@
+#
+# flp - Module to load fl forms from fd files
+#
+# Jack Jansen, December 1991
+#
+import string
+import os
+import sys
+import FL
+
+SPLITLINE = '--------------------'
+FORMLINE = '=============== FORM ==============='
+ENDLINE = '=============================='
+
+error = 'flp.error'
+
+##################################################################
+#    Part 1 - The parsing routines                               #
+##################################################################
+
+#
+# Externally visible function. Load form.
+#
+def parse_form(filename, formname):
+    forms = checkcache(filename)
+    if forms is None:
+	forms = parse_forms(filename)
+    if forms.has_key(formname):
+	return forms[formname]
+    else:
+	raise error, 'No such form in fd file'
+
+#
+# Externally visible function. Load all forms.
+#
+def parse_forms(filename):
+    forms = checkcache(filename)
+    if forms != None: return forms
+    fp = _open_formfile(filename)
+    nforms = _parse_fd_header(fp)
+    forms = {}
+    for i in range(nforms):
+	form = _parse_fd_form(fp, None)
+	forms[form[0].Name] = form
+    writecache(filename, forms)
+    return forms
+
+#
+# Internal: see if a cached version of the file exists
+#
+MAGIC = '.fdc'
+_internal_cache = {}			# Used by frozen scripts only
+def checkcache(filename):
+    if _internal_cache.has_key(filename):
+	altforms = _internal_cache[filename]
+	return _unpack_cache(altforms)
+    import marshal
+    fp, filename = _open_formfile2(filename)
+    fp.close()
+    cachename = filename + 'c'
+    try:
+	fp = open(cachename, 'r')
+    except IOError:
+	#print 'flp: no cache file', cachename
+	return None
+    try:
+	if fp.read(4) != MAGIC:
+	    print 'flp: bad magic word in cache file', cachename
+	    return None
+	cache_mtime = rdlong(fp)
+	file_mtime = getmtime(filename)
+	if cache_mtime != file_mtime:
+	    #print 'flp: outdated cache file', cachename
+	    return None
+	#print 'flp: valid cache file', cachename
+	altforms = marshal.load(fp)
+	return _unpack_cache(altforms)
+    finally:
+	fp.close()
+
+def _unpack_cache(altforms):
+	forms = {}
+	for name in altforms.keys():
+	    altobj, altlist = altforms[name]
+	    obj = _newobj()
+	    obj.make(altobj)
+	    list = []
+	    for altobj in altlist:
+		nobj = _newobj()
+		nobj.make(altobj)
+		list.append(nobj)
+	    forms[name] = obj, list
+	return forms
+
+def rdlong(fp):
+    s = fp.read(4)
+    if len(s) != 4: return None
+    a, b, c, d = s[0], s[1], s[2], s[3]
+    return ord(a)<<24 | ord(b)<<16 | ord(c)<<8 | ord(d)
+
+def wrlong(fp, x):
+    a, b, c, d = (x>>24)&0xff, (x>>16)&0xff, (x>>8)&0xff, x&0xff
+    fp.write(chr(a) + chr(b) + chr(c) + chr(d))
+
+def getmtime(filename):
+    import os
+    from stat import ST_MTIME
+    try:
+	return os.stat(filename)[ST_MTIME]
+    except os.error:
+	return None
+
+#
+# Internal: write cached version of the form (parsing is too slow!)
+#
+def writecache(filename, forms):
+    import marshal
+    fp, filename = _open_formfile2(filename)
+    fp.close()
+    cachename = filename + 'c'
+    try:
+	fp = open(cachename, 'w')
+    except IOError:
+	print 'flp: can\'t create cache file', cachename
+	return # Never mind
+    fp.write('\0\0\0\0') # Seek back and write MAGIC when done
+    wrlong(fp, getmtime(filename))
+    altforms = _pack_cache(forms)
+    marshal.dump(altforms, fp)
+    fp.seek(0)
+    fp.write(MAGIC)
+    fp.close()
+    #print 'flp: wrote cache file', cachename
+
+#
+# External: print some statements that set up the internal cache.
+# This is for use with the "freeze" script.  You should call
+# flp.freeze(filename) for all forms used by the script, and collect
+# the output on a file in a module file named "frozenforms.py".  Then
+# in the main program of the script import frozenforms.
+# (Don't forget to take this out when using the unfrozen version of
+# the script!)
+#
+def freeze(filename):
+    forms = parse_forms(filename)
+    altforms = _pack_cache(forms)
+    print 'import flp'
+    print 'flp._internal_cache[', `filename`, '] =', altforms
+
+#
+# Internal: create the data structure to be placed in the cache
+#
+def _pack_cache(forms):
+    altforms = {}
+    for name in forms.keys():
+	obj, list = forms[name]
+	altobj = obj.__dict__
+	altlist = []
+	for obj in list: altlist.append(obj.__dict__)
+	altforms[name] = altobj, altlist
+    return altforms
+
+#
+# Internal: Locate form file (using PYTHONPATH) and open file
+#
+def _open_formfile(filename):
+    return _open_formfile2(filename)[0]
+
+def _open_formfile2(filename):
+    if filename[-3:] <> '.fd':
+	filename = filename + '.fd'
+    if filename[0] == '/':
+	try:
+	    fp = open(filename,'r')
+	except IOError:
+	    fp = None
+    else:
+	for pc in sys.path:
+	    pn = os.path.join(pc, filename)
+	    try:
+		fp = open(pn, 'r')
+		filename = pn
+		break
+	    except IOError:
+		fp = None
+    if fp == None:
+	raise error, 'Cannot find forms file ' + filename
+    return fp, filename
+
+#
+# Internal: parse the fd file header, return number of forms
+#
+def _parse_fd_header(file):
+    # First read the magic header line
+    datum = _parse_1_line(file)
+    if datum <> ('Magic', 12321):
+	raise error, 'Not a forms definition file'
+    # Now skip until we know number of forms
+    while 1:
+	datum = _parse_1_line(file)
+	if type(datum) == type(()) and datum[0] == 'Numberofforms':
+	    break
+    return datum[1]
+#
+# Internal: parse fd form, or skip if name doesn't match.
+# the special value None means 'allways parse it'.
+#
+def _parse_fd_form(file, name):
+    datum = _parse_1_line(file)
+    if datum <> FORMLINE:
+	raise error, 'Missing === FORM === line'
+    form = _parse_object(file)
+    if form.Name == name or name == None:
+	objs = []
+	for j in range(form.Numberofobjects):
+	    obj = _parse_object(file)
+	    objs.append(obj)
+	return (form, objs)
+    else:
+	for j in range(form.Numberofobjects):
+	    _skip_object(file)
+    return None
+
+#
+# Internal class: a convient place to store object info fields
+#
+class _newobj:
+    def add(self, name, value):
+	self.__dict__[name] = value
+    def make(self, dict):
+	for name in dict.keys():
+	    self.add(name, dict[name])
+
+#
+# Internal parsing routines.
+#
+def _parse_string(str):
+    if '\\' in str:
+	s = '\'' + str + '\''
+	try:
+	    return eval(s)
+	except:
+	    pass
+    return str
+
+def _parse_num(str):
+    return eval(str)
+
+def _parse_numlist(str):
+    slist = string.split(str)
+    nlist = []
+    for i in slist:
+	nlist.append(_parse_num(i))
+    return nlist
+
+# This dictionary maps item names to parsing routines.
+# If no routine is given '_parse_num' is default.
+_parse_func = { \
+	'Name':		_parse_string, \
+	'Box':		_parse_numlist, \
+	'Colors':	_parse_numlist, \
+	'Label':	_parse_string, \
+	'Name':		_parse_string, \
+	'Callback':	_parse_string, \
+	'Argument':	_parse_string }
+
+# This function parses a line, and returns either
+# a string or a tuple (name,value)
+
+import regex
+prog = regex.compile('^\([^:]*\): *\(.*\)')
+
+def _parse_line(line):
+    if prog.match(line) < 0:
+	return line
+    a = prog.regs
+    name = line[:a[1][1]]
+    if name[0] == 'N':
+	    name = string.joinfields(string.split(name),'')
+	    name = string.lower(name)
+    name = string.upper(name[0]) + name[1:]
+    value = line[a[2][0]:]
+    try:
+	pf = _parse_func[name]
+    except KeyError:
+	pf = _parse_num
+    value = pf(value)
+    return (name, value)
+
+def _readline(file):
+    line = file.readline()
+    if not line:
+    	raise EOFError
+    return line[:-1]
+	
+def _parse_1_line(file):
+    line = _readline(file)
+    while line == '':
+	line = _readline(file)
+    return _parse_line(line)
+
+def _skip_object(file):
+    line = ''
+    while not line in (SPLITLINE, FORMLINE, ENDLINE):
+	pos = file.tell()
+	line = _readline(file)
+    if line == FORMLINE:
+	file.seek(pos)
+
+def _parse_object(file):
+    obj = _newobj()
+    while 1:
+	pos = file.tell()
+	datum = _parse_1_line(file)
+	if datum in (SPLITLINE, FORMLINE, ENDLINE):
+	    if datum == FORMLINE:
+		file.seek(pos)
+	    return obj
+	if type(datum) <> type(()) or len(datum) <> 2:
+	    raise error, 'Parse error, illegal line in object: '+datum
+	obj.add(datum[0], datum[1])
+
+#################################################################
+#   Part 2 - High-level object/form creation routines            #
+#################################################################
+
+#
+# External - Create a form an link to an instance variable.
+#
+def create_full_form(inst, (fdata, odatalist)):
+    form = create_form(fdata)
+    exec 'inst.'+fdata.Name+' = form\n'
+    for odata in odatalist:
+	create_object_instance(inst, form, odata)
+
+#
+# External - Merge a form into an existing form in an instance
+# variable.
+#
+def merge_full_form(inst, form, (fdata, odatalist)):
+    exec 'inst.'+fdata.Name+' = form\n'
+    if odatalist[0].Class <> FL.BOX:
+	raise error, 'merge_full_form() expects FL.BOX as first obj'
+    for odata in odatalist[1:]:
+	create_object_instance(inst, form, odata)
+
+
+#################################################################
+#   Part 3 - Low-level object/form creation routines            #
+#################################################################
+
+#
+# External Create_form - Create form from parameters
+#
+def create_form(fdata):
+    import fl
+    return fl.make_form(FL.NO_BOX, fdata.Width, fdata.Height)
+
+#
+# External create_object - Create an object. Make sure there are
+# no callbacks. Returns the object created.
+#
+def create_object(form, odata):
+    obj = _create_object(form, odata)
+    if odata.Callback:
+	raise error, 'Creating free object with callback'
+    return obj
+#
+# External create_object_instance - Create object in an instance.
+#
+def create_object_instance(inst, form, odata):
+    obj = _create_object(form, odata)
+    if odata.Callback:
+	cbfunc = eval('inst.'+odata.Callback)
+	obj.set_call_back(cbfunc, odata.Argument)
+    if odata.Name:
+	exec 'inst.' + odata.Name + ' = obj\n'
+#
+# Internal _create_object: Create the object and fill options
+#
+def _create_object(form, odata):
+    crfunc = _select_crfunc(form, odata.Class)
+    obj = crfunc(odata.Type, odata.Box[0], odata.Box[1], odata.Box[2], \
+	    odata.Box[3], odata.Label)
+    if not odata.Class in (FL.BEGIN_GROUP, FL.END_GROUP):
+	obj.boxtype = odata.Boxtype
+	obj.col1 = odata.Colors[0]
+	obj.col2 = odata.Colors[1]
+	obj.align = odata.Alignment
+	obj.lstyle = odata.Style
+	obj.lsize = odata.Size
+	obj.lcol = odata.Lcol
+    return obj
+#
+# Internal crfunc: helper function that returns correct create function
+#
+def _select_crfunc(fm, cl):
+    if cl == FL.BEGIN_GROUP: return fm.bgn_group
+    elif cl == FL.END_GROUP: return fm.end_group
+    elif cl == FL.BITMAP: return fm.add_bitmap
+    elif cl == FL.BOX: return fm.add_box
+    elif cl == FL.BROWSER: return fm.add_browser
+    elif cl == FL.BUTTON: return fm.add_button
+    elif cl == FL.CHART: return fm.add_chart
+    elif cl == FL.CHOICE: return fm.add_choice
+    elif cl == FL.CLOCK: return fm.add_clock
+    elif cl == FL.COUNTER: return fm.add_counter
+    elif cl == FL.DIAL: return fm.add_dial
+    elif cl == FL.FREE: return fm.add_free
+    elif cl == FL.INPUT: return fm.add_input
+    elif cl == FL.LIGHTBUTTON: return fm.add_lightbutton
+    elif cl == FL.MENU: return fm.add_menu
+    elif cl == FL.POSITIONER: return fm.add_positioner
+    elif cl == FL.ROUNDBUTTON: return fm.add_roundbutton
+    elif cl == FL.SLIDER: return fm.add_slider
+    elif cl == FL.VALSLIDER: return fm.add_valslider
+    elif cl == FL.TEXT: return fm.add_text
+    elif cl == FL.TIMER: return fm.add_timer
+    else:
+	raise error, 'Unknown object type: ' + `cl`
+
+
+def test():
+    import time
+    t0 = time.time()
+    if len(sys.argv) == 2:
+	forms = parse_forms(sys.argv[1])
+	t1 = time.time()
+	print 'parse time:', 0.001*(t1-t0), 'sec.'
+	keys = forms.keys()
+	keys.sort()
+	for i in keys:
+	    _printform(forms[i])
+    elif len(sys.argv) == 3:
+	form = parse_form(sys.argv[1], sys.argv[2])
+	t1 = time.time()
+	print 'parse time:', round(t1-t0, 3), 'sec.'
+	_printform(form)
+    else:
+	print 'Usage: test fdfile [form]'
+
+def _printform(form):
+    f = form[0]
+    objs = form[1]
+    print 'Form ', f.Name, ', size: ', f.Width, f.Height, ' Nobj ', f.Numberofobjects
+    for i in objs:
+	print '  Obj ', i.Name, ' type ', i.Class, i.Type
+	print '    Box ', i.Box, ' btype ', i.Boxtype
+	print '    Label ', i.Label, ' size/style/col/align ', i.Size,i.Style, i.Lcol, i.Alignment
+	print '    cols ', i.Colors
+	print '    cback ', i.Callback, i.Argument
+
+# Local variables:
+# py-indent-offset: 4
+# end: