diff options
Diffstat (limited to 'Demo/tkinter/guido/ManPage.py')
| -rwxr-xr-x | Demo/tkinter/guido/ManPage.py | 370 |
1 files changed, 185 insertions, 185 deletions
diff --git a/Demo/tkinter/guido/ManPage.py b/Demo/tkinter/guido/ManPage.py index ccd21b4..7d6fe00 100755 --- a/Demo/tkinter/guido/ManPage.py +++ b/Demo/tkinter/guido/ManPage.py @@ -12,173 +12,173 @@ ITALICFONT = '*-Courier-Medium-O-Normal-*-120-*' # XXX Recognizing footers is system dependent # (This one works for IRIX 5.2 and Solaris 2.2) footerprog = regex.compile( - '^ Page [1-9][0-9]*[ \t]+\|^.*Last change:.*[1-9][0-9]*\n') + '^ Page [1-9][0-9]*[ \t]+\|^.*Last change:.*[1-9][0-9]*\n') emptyprog = regex.compile('^[ \t]*\n') ulprog = regex.compile('^[ \t]*[Xv!_][Xv!_ \t]*\n') # Basic Man Page class -- does not disable editing class EditableManPage(ScrolledText): - # Initialize instance - def __init__(self, master=None, **cnf): - # Initialize base class - apply(ScrolledText.__init__, (self, master), cnf) - - # Define tags for formatting styles - self.tag_config('X', underline=1) - self.tag_config('!', font=BOLDFONT) - self.tag_config('_', font=ITALICFONT) - - # Set state to idle - self.fp = None - self.lineno = 0 - - # Test whether we are busy parsing a file - def busy(self): - return self.fp != None - - # Ensure we're not busy - def kill(self): - if self.busy(): - self._endparser() - - # Parse a file, in the background - def asyncparsefile(self, fp): - self._startparser(fp) - self.tk.createfilehandler(fp, _tkinter.READABLE, - self._filehandler) - - parsefile = asyncparsefile # Alias - - # I/O handler used by background parsing - def _filehandler(self, fp, mask): - nextline = self.fp.readline() - if not nextline: - self._endparser() - return - self._parseline(nextline) - - # Parse a file, now (cannot be aborted) - def syncparsefile(self, fp): - from select import select - def avail(fp=fp, tout=0.0, select=select): - return select([fp], [], [], tout)[0] - height = self.getint(self['height']) - self._startparser(fp) - while 1: - nextline = fp.readline() - if not nextline: - break - self._parseline(nextline) - self._endparser() - - # Initialize parsing from a particular file -- must not be busy - def _startparser(self, fp): - if self.busy(): - raise RuntimeError, 'startparser: still busy' - fp.fileno() # Test for file-ness - self.fp = fp - self.lineno = 0 - self.ok = 0 - self.empty = 0 - self.buffer = None - savestate = self['state'] - self['state'] = NORMAL - self.delete('1.0', END) - self['state'] = savestate - - # End parsing -- must be busy, need not be at EOF - def _endparser(self): - if not self.busy(): - raise RuntimeError, 'endparser: not busy' - if self.buffer: - self._parseline('') - try: - self.tk.deletefilehandler(self.fp) - except TclError, msg: - pass - self.fp.close() - self.fp = None - del self.ok, self.empty, self.buffer - - # Parse a single line - def _parseline(self, nextline): - if not self.buffer: - # Save this line -- we need one line read-ahead - self.buffer = nextline - return - if emptyprog.match(self.buffer) >= 0: - # Buffered line was empty -- set a flag - self.empty = 1 - self.buffer = nextline - return - textline = self.buffer - if ulprog.match(nextline) >= 0: - # Next line is properties for buffered line - propline = nextline - self.buffer = None - else: - # Next line is read-ahead - propline = None - self.buffer = nextline - if not self.ok: - # First non blank line after footer must be header - # -- skip that too - self.ok = 1 - self.empty = 0 - return - if footerprog.match(textline) >= 0: - # Footer -- start skipping until next non-blank line - self.ok = 0 - self.empty = 0 - return - savestate = self['state'] - self['state'] = NORMAL - if TkVersion >= 4.0: - self.mark_set('insert', 'end-1c') - else: - self.mark_set('insert', END) - if self.empty: - # One or more previous lines were empty - # -- insert one blank line in the text - self._insert_prop('\n') - self.lineno = self.lineno + 1 - self.empty = 0 - if not propline: - # No properties - self._insert_prop(textline) - else: - # Search for properties - p = '' - j = 0 - for i in range(min(len(propline), len(textline))): - if propline[i] != p: - if j < i: - self._insert_prop(textline[j:i], p) - j = i - p = propline[i] - self._insert_prop(textline[j:]) - self.lineno = self.lineno + 1 - self['state'] = savestate - - # Insert a string at the end, with at most one property (tag) - def _insert_prop(self, str, prop = ' '): - here = self.index(AtInsert()) - self.insert(AtInsert(), str) - if TkVersion <= 4.0: - tags = self.tag_names(here) - for tag in tags: - self.tag_remove(tag, here, AtInsert()) - if prop != ' ': - self.tag_add(prop, here, AtInsert()) + # Initialize instance + def __init__(self, master=None, **cnf): + # Initialize base class + apply(ScrolledText.__init__, (self, master), cnf) + + # Define tags for formatting styles + self.tag_config('X', underline=1) + self.tag_config('!', font=BOLDFONT) + self.tag_config('_', font=ITALICFONT) + + # Set state to idle + self.fp = None + self.lineno = 0 + + # Test whether we are busy parsing a file + def busy(self): + return self.fp != None + + # Ensure we're not busy + def kill(self): + if self.busy(): + self._endparser() + + # Parse a file, in the background + def asyncparsefile(self, fp): + self._startparser(fp) + self.tk.createfilehandler(fp, _tkinter.READABLE, + self._filehandler) + + parsefile = asyncparsefile # Alias + + # I/O handler used by background parsing + def _filehandler(self, fp, mask): + nextline = self.fp.readline() + if not nextline: + self._endparser() + return + self._parseline(nextline) + + # Parse a file, now (cannot be aborted) + def syncparsefile(self, fp): + from select import select + def avail(fp=fp, tout=0.0, select=select): + return select([fp], [], [], tout)[0] + height = self.getint(self['height']) + self._startparser(fp) + while 1: + nextline = fp.readline() + if not nextline: + break + self._parseline(nextline) + self._endparser() + + # Initialize parsing from a particular file -- must not be busy + def _startparser(self, fp): + if self.busy(): + raise RuntimeError, 'startparser: still busy' + fp.fileno() # Test for file-ness + self.fp = fp + self.lineno = 0 + self.ok = 0 + self.empty = 0 + self.buffer = None + savestate = self['state'] + self['state'] = NORMAL + self.delete('1.0', END) + self['state'] = savestate + + # End parsing -- must be busy, need not be at EOF + def _endparser(self): + if not self.busy(): + raise RuntimeError, 'endparser: not busy' + if self.buffer: + self._parseline('') + try: + self.tk.deletefilehandler(self.fp) + except TclError, msg: + pass + self.fp.close() + self.fp = None + del self.ok, self.empty, self.buffer + + # Parse a single line + def _parseline(self, nextline): + if not self.buffer: + # Save this line -- we need one line read-ahead + self.buffer = nextline + return + if emptyprog.match(self.buffer) >= 0: + # Buffered line was empty -- set a flag + self.empty = 1 + self.buffer = nextline + return + textline = self.buffer + if ulprog.match(nextline) >= 0: + # Next line is properties for buffered line + propline = nextline + self.buffer = None + else: + # Next line is read-ahead + propline = None + self.buffer = nextline + if not self.ok: + # First non blank line after footer must be header + # -- skip that too + self.ok = 1 + self.empty = 0 + return + if footerprog.match(textline) >= 0: + # Footer -- start skipping until next non-blank line + self.ok = 0 + self.empty = 0 + return + savestate = self['state'] + self['state'] = NORMAL + if TkVersion >= 4.0: + self.mark_set('insert', 'end-1c') + else: + self.mark_set('insert', END) + if self.empty: + # One or more previous lines were empty + # -- insert one blank line in the text + self._insert_prop('\n') + self.lineno = self.lineno + 1 + self.empty = 0 + if not propline: + # No properties + self._insert_prop(textline) + else: + # Search for properties + p = '' + j = 0 + for i in range(min(len(propline), len(textline))): + if propline[i] != p: + if j < i: + self._insert_prop(textline[j:i], p) + j = i + p = propline[i] + self._insert_prop(textline[j:]) + self.lineno = self.lineno + 1 + self['state'] = savestate + + # Insert a string at the end, with at most one property (tag) + def _insert_prop(self, str, prop = ' '): + here = self.index(AtInsert()) + self.insert(AtInsert(), str) + if TkVersion <= 4.0: + tags = self.tag_names(here) + for tag in tags: + self.tag_remove(tag, here, AtInsert()) + if prop != ' ': + self.tag_add(prop, here, AtInsert()) # Readonly Man Page class -- disables editing, otherwise the same class ReadonlyManPage(EditableManPage): - # Initialize instance - def __init__(self, master=None, **cnf): - cnf['state'] = DISABLED - apply(EditableManPage.__init__, (self, master), cnf) + # Initialize instance + def __init__(self, master=None, **cnf): + cnf['state'] = DISABLED + apply(EditableManPage.__init__, (self, master), cnf) # Alias ManPage = ReadonlyManPage @@ -187,34 +187,34 @@ ManPage = ReadonlyManPage # usage: ManPage [manpage]; or ManPage [-f] file # -f means that the file is nroff -man output run through ul -i def test(): - import os - import sys - # XXX This directory may be different on your system - MANDIR = '/usr/local/man/mann' - DEFAULTPAGE = 'Tcl' - formatted = 0 - if sys.argv[1:] and sys.argv[1] == '-f': - formatted = 1 - del sys.argv[1] - if sys.argv[1:]: - name = sys.argv[1] - else: - name = DEFAULTPAGE - if not formatted: - if name[-2:-1] != '.': - name = name + '.n' - name = os.path.join(MANDIR, name) - root = Tk() - root.minsize(1, 1) - manpage = ManPage(root, relief=SUNKEN, borderwidth=2) - manpage.pack(expand=1, fill=BOTH) - if formatted: - fp = open(name, 'r') - else: - fp = os.popen('nroff -man %s | ul -i' % name, 'r') - manpage.parsefile(fp) - root.mainloop() + import os + import sys + # XXX This directory may be different on your system + MANDIR = '/usr/local/man/mann' + DEFAULTPAGE = 'Tcl' + formatted = 0 + if sys.argv[1:] and sys.argv[1] == '-f': + formatted = 1 + del sys.argv[1] + if sys.argv[1:]: + name = sys.argv[1] + else: + name = DEFAULTPAGE + if not formatted: + if name[-2:-1] != '.': + name = name + '.n' + name = os.path.join(MANDIR, name) + root = Tk() + root.minsize(1, 1) + manpage = ManPage(root, relief=SUNKEN, borderwidth=2) + manpage.pack(expand=1, fill=BOTH) + if formatted: + fp = open(name, 'r') + else: + fp = os.popen('nroff -man %s | ul -i' % name, 'r') + manpage.parsefile(fp) + root.mainloop() # Run the test program when called as a script if __name__ == '__main__': - test() + test() |