wrapping settings

CHANGELOG

@@ -6,6 +6,10 @@ Version 3.0
 
 	Environment variable 'PONYSAY_WRAP_HYPHEN' has been added.
 
+	Environment variable 'PONYSAY_WRAP_LIMIT' has been added.
+
+	Environment variable 'PONYSAY_WRAP_EXCEED' has been added.
+
 
 Version 2.9
 

manuals/ponysay.texinfo

@@ -633,6 +633,22 @@ auto correction ignored. This limit can be changed by exporting the limit to
 You can export what ponysay should use instead of a hyphen when wrapping messages.
 The hythen is red by default, if you want to change the colour or other formating,
 should should do so using the option @option{--colour-hyphen} (@option{--colour-wrap}).
+
+@item @env{PONYSAY_WRAP_LIMIT}
+@vindex @env{PONYSAY_WRAP_LIMIT}
+@cindex wrapping
+
+Defines how long a word mush be to be hyphenated. This is used for to wrap words that
+are long so the output gets as pretty as possible. This s not the only condition under
+which a word can be hyphenated, it can also be hyphenated if the word cannot fit
+otherwise. The default value is 8.
+
+@item @env{PONYSAY_WRAP_EXCEED}
+@vindex @env{PONYSAY_WRAP_EXCEED}
+@cindex wrapping
+
+Defines how much a word must exceed the wrapping point to be hyphenated. This setting
+is used togather with @env{PONYSAY_WRAP_LIMIT}. The default value is 5.
 @end table
 
 
@@ -2077,6 +2093,10 @@ Renamed option @option{-F} to @option{+f} and option @option{--F} to @option{++f
 Environment variable @env{PONYSAY_TYPO_LIMIT} has been added.
 @item
 Environment variable @env{PONYSAY_WRAP_HYPHEN} has been added.
+@item
+Environment variable @env{PONYSAY_WRAP_LIMIT} has been added.
+@item
+Environment variable @env{PONYSAY_WRAP_EXCEED} has been added.
 @end itemize
 
 

ponysay.py

@@ -1771,6 +1771,12 @@ class Backend():
     @return  :str         The message wrapped
     '''
     def __wrapMessage(self, message, wrap):
+        wraplimit = os.environ['PONYSAY_WRAP_LIMIT'] if 'PONYSAY_WRAP_LIMIT' in os.environ else ''
+        wraplimit = 8 if len(wraplimit) == 0 else int(wraplimit)
+        
+        wrapexceed = os.environ['PONYSAY_WRAP_EXCEED'] if 'PONYSAY_WRAP_EXCEED' in os.environ else ''
+        wrapexceed = 5 if len(wrapexceed) == 0 else int(wrapexceed)
+        
         buf = ''
         try:
             AUTO_PUSH = '\033[01010~'
@@ -1838,10 +1844,10 @@ class Backend():
                         bisub = 0
                         iwrap = wrap - (0 if indent == 1 else indentc)
                         
-                        while ((w > 8) and (cols > w + 5)) or (cols > iwrap): # TODO make configurable
+                        while ((w > wraplimit) and (cols > w + wrapexceed)) or (cols > iwrap):
                             ## wrap
                             x = w;
-                            if mm + x not in map: # Too much whitespace ?
+                            if mm + x not in map: # Too much whitespace?
                                 cols = 0
                                 break
                             nbsp = b[map[mm + x]] == ' '
@@ -1879,6 +1885,7 @@ class Backend():
                                 buf += line[:indent]
                                 w -= indentc
                         for bb in b[:bi]:
+                            if bb is not None:
                                 buf += bb
                         w -= cols
                         cols = 0