Parsing a string returned from ckeditor using javascript string methods -

i trying area of data out ckeditor. in order use following code

function get_body_html(){     var email = ckeditor.instances['message'].getdata();     var before_body = header_to + + to_subject + subject + subject_body;     var s_index = email.indexof(before_body)+before_body.length;     var e_index = email.indexof(body_footer);     return email.substring(s_index,e_index); } 

for reason works when on page load

ckeditor.instances.message.setdata(header_to + + to_subject+  subject + subject_body + body_text + body_footer); get_body_html(); 

it works correctly , gives me same string contained in body_text.

but when this

body_text = get_body_html(); ckeditor.instances.message.setdata(header_to + + to_subject + subject +  subject_body + body_text + body_footer); 

in onclick function gets wrong indexs somehow. can't find string , returns -1 other times gets weird index doesn't make sense. these index variations happen when code changed tackle problem different way. if wrong indices -5 , 2 continue wrong indices until made code change.

there 2 facts should know editor.setdata.

1. in cases asynchronous (it depends on type of editor). that's why accepts callback. therefore code meant executed after setdata() should executed in callback.
2. it never asynchronous before editor ready. in period (between editor initialization , instanceready event) works in different mode - caches set value , on getdata() returns value.

so, see on page load call synchronously setdata() , getdata() - function works because value you're expecting get.

but then, when try getdata() when editor ready html parsed, fixed, processed , perhaps differently formatted ckeditor. guess indexof() checks not enough handle this. have rethink function - e.g. regexp can help.

what can removing htmlwriter plugin, formats html in way may make harder work it. e.g.:

config.removeplugins = 'htmlwriter';