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Append final user replace regex-function output to marked text (see #1609111)

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Introduces a new flag "append_final_output_to_marked".
Depends also on existing flag "call_after_last_match".

Following two lines at the end of a user replace function will cause,
that the return value of the last additional call (after all replacements
are completed) will be appended to the marked text:
replace.call_after_last_match = True
replace.append_final_output_to_marked = True

TODO: Documentation update is required.
Part: Editing books
Chapter: Function Mode for Search & Replace in the Editor
Section: Having your function called an extra time after the last match is found
This commit is contained in:
Mymei 2016-08-07 10:30:34 +02:00
parent 324a5a2635
commit 27ecd03807
1 changed files with 6 additions and 1 deletions
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5
src/calibre/gui2/tweak_book/editor/text.py
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@ -313,6 +313,11 @@ class TextEdit(PlainTextEdit):
raw, count = pat.subn(template, raw) raw, count = pat.subn(template, raw)
if repl_is_func: if repl_is_func:
from calibre.gui2.tweak_book.search import show_function_debug_output from calibre.gui2.tweak_book.search import show_function_debug_output
if getattr(template.func, 'append_final_output_to_marked', False):
retval = template.end()
if retval:
raw += unicode(retval)
else:
template.end() template.end()
show_function_debug_output(template) show_function_debug_output(template)
if count > 0: if count > 0: