Regular Expression Tester

[CFrank]

Hello,
script needs to use both npp views, 2nd is were you type the regular expression.
Code commented

import re                                                                                   # import regular expression module

editor1.indicSetStyle(10,INDICATORSTYLE.CONTAINER)                                          # used to color whole match - odd lines
editor1.indicSetFore(10,(95,215,184))                                                       # the color
editor1.indicSetAlpha(10,55)                                                                # alpha settings
editor1.indicSetOutlineAlpha(8,255)                                                         # outlining
editor1.indicSetUnder(10,True)                                                              # draw under the text

editor1.indicSetStyle(9,INDICATORSTYLE.CONTAINER)                                           # used to color whole match - even lines
editor1.indicSetFore(9,(195,215,184))
editor1.indicSetAlpha(9,55)
editor1.indicSetOutlineAlpha(8,255)
editor1.indicSetUnder(9,True) 

editor1.indicSetStyle(8,INDICATORSTYLE.ROUNDBOX)                                            # used for sub matches
editor1.indicSetFore(8,(100,215,100))
editor1.indicSetAlpha(8,55)
editor1.indicSetOutlineAlpha(8,255)
editor1.indicSetUnder(8,True) 

isOdd = False                                                                               # used as even/odd line identifier

def match_found(m):

    global isOdd                                                                            # global, because we modify it
    if m.lastindex > 0:                                                                     # >0 = how many submatches do we have
        for i in range(0, m.lastindex + 1):                                                 # loop over it
            if i == 0:                                                                      # match 0 is always the whole match
                editor1.setIndicatorCurrent(9 if isOdd else 10)                             # set indicator for whole match
                editor1.indicatorFillRange(m.span(0)[0], m.span(0)[1] - m.span(0)[0])       # draw indicator
                isOdd = False if isOdd else True                                            # set even/odd identifier - next whole match gets coloured different
            else:
                editor1.setIndicatorCurrent(8)                                              # set indicator for sub matches
                editor1.indicatorFillRange(m.span(i)[0], m.span(i)[1] - m.span(i)[0])       # draw it

    else:                                                                                   # no sub matches    
        editor1.setIndicatorCurrent(8)                                                      # set the same indicator as normally used in sub matches
        editor1.indicatorFillRange(m.span(0)[0], m.span(0)[1] - m.span(0)[0])               # guess what :-) yes, draw it

def clear_indicator():                                                                      # clear all indicators by
    length = editor1.getTextLength()                                                        # calculating length of document
    for i in range(8,11):                                                                   # and looping over
        editor1.setIndicatorCurrent(i)                                                      # each indicator to
        editor1.indicatorClearRange(0,length)                                               # clear the range

def regex():                                                                                # here the regex starts

    clear_indicator()                                                                       # first have a clear view ;-)

    pattern = editor2.getLine(0).rstrip()                                                   # next, get the pattern for the second view and cut of line endings

    try:                                                                                    # try it
        if editor2.getLine(2)[22:23] == 'I':                                                # is it a case insensitive search?
            editor1.research(pattern, match_found, re.IGNORECASE)                           # then call research with the ignore case flag
        else:                                                                               # otherwise
            editor1.research(pattern, match_found)                                          # call without flag
    except:
        pass                                                                                # is needed to catch incorrect regular expressions

def RegexTester_CHARADDED(args):                                                            # callback which gets called each time when char is added in editor
    regex()                                                                                 # calls itself regex function

def RegexTester_UPDATEUI(args):                                                             # callback gets called and emulates a CHARDELETE notification
    if args['updated'] == 3:                                                                # is a bit of a hack but
        regex()                                                                             # seems to work

if editor2.getProperty('RegexTester_running') != '1':                                       # if the script isn't currently running
    editor.callback(RegexTester_CHARADDED, [SCINTILLANOTIFICATION.CHARADDED])               # register the callbacks charadd
    editor.callback(RegexTester_UPDATEUI, [SCINTILLANOTIFICATION.UPDATEUI])                 # and emulated chardelete
    if editor2.getProperty('RegexTester_running') == '0':                                   # this checks if script was already running, stopped and restarted again
        editor2.replace('RegexTester inActive', 'RegexTester isActive')                     # add the status info to second view
    else:                                                                                   # no, this is the first time we run the script so
        editor2.appendText('\r\n\r\nRegexTester isActive [i] i=sensitive, I=insesitive')    # add the status info to second view
    editor2.setProperty('RegexTester_running', '1')                                         # and set the running identifier
    editor2.setFocus(True)                                                                  # give the second view the focus
    editor2.gotoLine(0)                                                                     # and jump to line 1

else:                                                                                       # the script runs already so this call is used to
    editor.clearCallbacks([SCINTILLANOTIFICATION.CHARADDED])                                # clear the callback charadded and
    editor.clearCallbacks([SCINTILLANOTIFICATION.UPDATEUI])                                 # emulated chardeleted
    editor2.setProperty('RegexTester_running', '0')                                         # set info that script isn't running
    editor2.replace('RegexTester isActive', 'RegexTester inActive')                         # add the status info to second view
    clear_indicator()                                                                       # clear all indicators
    editor1.setFocus(True)                                                                  # and give first view the focus. Have fun 

Cheers
Claudia

[Dave Brotherstone]

Wow! This is really really awesome!

Think re import should be import re as the first line.

[Dave Brotherstone]

https://twitter.com/bruderstein/status/711138614432894976

[CFrank]

Hi Dave,
of course you are correct (and corrected) but I don't know why/how this happens.
I've posted the same on npp community which is correct. Hmmm - must be sleepwalking me. ;-)

Cheers
Claudia

[Marc Pechaud]

As Python Script ? Not working...

[CFrank]

What is not working?
Do you have any error in the console?

Cheers
Claudia

[Marc Pechaud]

Is the script run from Python Script folder as other one?
I didn't see any console appear, seems to not run when launch it...
Cheers

[CFrank]

Is the script run from Python Script folder as other one?

What do you mean from folder?
You start npp and then you goto plugins->python script->new script,
give it a meaningful name and put the code into it. save it.
Open both views and run the script by using plugins->python script->scripts->YOUR_NAME -> done
The animate gif Dave postet should explain its uasage pretty well.

Concerning the console, Plugins->Python Script->Show Console.

Cheers
Claudia

[Marc Pechaud]

I did not make the second view, I see that work, but now all text is marked ;)

[CFrank]

Just use an empty line and coloring should go away ;-)

Cheers
Claudia

[Marc Pechaud]

Ok, thank you, this is the most interactive code I ever see on NPP, magic !

[Moon]

Marvellous,inspirational, useful - thanks!

[CFrank]

An updated version (V2) is available here
https://sourceforge.net/p/npppythonscript/discussion/1199074/thread/f59511a4/

[Preethi Shetty]