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textiter: make the FindLogAttrFunc functions clearer

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- Return true (found) and false (not found) explicitly.
- Set found_offset only when something has been found.

find_backward_cursor_pos_func() was a bit different, the while loop had
the condition "offset > 0" but the return was "offset >= 0". Probably a
micro-optimization, since offset == 0 is always a cursor position.
Anyway now the code is the same as the other functions.

https://bugzilla.gnome.org/show_bug.cgi?id=618852
This commit is contained in:
Sébastien Wilmet 2014-07-15 15:24:36 +02:00
parent 37f5f78f81
commit 76f3866bd3
1 changed files with 60 additions and 24 deletions
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84
gtk/gtktextiter.c
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@ -2895,12 +2895,18 @@ find_word_end_func (const PangoLogAttr *attrs,
++offset;
/* Find end of next word */
while (offset < len && !attrs[offset].is_word_end)
++offset;
while (offset < len)
{
if (attrs[offset].is_word_end)
{
*found_offset = offset;
return TRUE;
}
*found_offset = offset;
++offset;
}
return offset < len;
return FALSE;
}
static gboolean
@ -2923,12 +2929,18 @@ find_word_start_func (const PangoLogAttr *attrs,
--offset;
/* Find start of prev word */
while (offset >= 0 && !attrs[offset].is_word_start)
--offset;
while (offset >= 0)
{
if (attrs[offset].is_word_start)
{
*found_offset = offset;
return TRUE;
}
*found_offset = offset;
--offset;
}
return offset >= 0;
return FALSE;
}
static gboolean
@ -2970,12 +2982,18 @@ find_sentence_end_func (const PangoLogAttr *attrs,
++offset;
/* Find end of next sentence */
while (offset < len && !attrs[offset].is_sentence_end)
++offset;
while (offset < len)
{
if (attrs[offset].is_sentence_end)
{
*found_offset = offset;
return TRUE;
}
*found_offset = offset;
++offset;
}
return offset < len;
return FALSE;
}
static gboolean
@ -2998,12 +3016,18 @@ find_sentence_start_func (const PangoLogAttr *attrs,
--offset;
/* Find start of prev sentence */
while (offset >= 0 && !attrs[offset].is_sentence_start)
--offset;
while (offset >= 0)
{
if (attrs[offset].is_sentence_start)
{
*found_offset = offset;
return TRUE;
}
*found_offset = offset;
--offset;
}
return offset >= 0;
return FALSE;
}
static gboolean
@ -3556,12 +3580,18 @@ find_forward_cursor_pos_func (const PangoLogAttr *attrs,
if (!already_moved_initially)
++offset;
while (offset < len && !attrs[offset].is_cursor_position)
++offset;
while (offset < len)
{
if (attrs[offset].is_cursor_position)
{
*found_offset = offset;
return TRUE;
}
*found_offset = offset;
++offset;
}
return offset < len;
return FALSE;
}
static gboolean
@ -3574,12 +3604,18 @@ find_backward_cursor_pos_func (const PangoLogAttr *attrs,
if (!already_moved_initially)
--offset;
while (offset > 0 && !attrs[offset].is_cursor_position)
--offset;
while (offset >= 0)
{
if (attrs[offset].is_cursor_position)
{
*found_offset = offset;
return TRUE;
}
*found_offset = offset;
--offset;
}
return offset >= 0;
return FALSE;
}
static gboolean