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Removed buff_len field. One fewer field, hooray.

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This commit is contained in:
ridiculousfish 2012-02-06 01:53:03 -08:00
parent 0a616a9dbb
commit bd45b79ed8
1 changed files with 21 additions and 36 deletions
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55
reader.cpp
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@ -231,11 +231,8 @@ class reader_data_t
*/ */
size_t buff_sz; size_t buff_sz;
/** /** Length of the command */
Length of the command in buff. (Not the length of buff itself) size_t command_length() const { return command_line.size(); }
*/
size_t buff_len;
/** /**
The current position of the cursor in buff. The current position of the cursor in buff.
@ -479,7 +476,6 @@ static void reader_kill( size_t begin_idx, int length, int mode, int newv )
data->buff_pos = maxi( begin_idx, data->buff_pos-length ); data->buff_pos = maxi( begin_idx, data->buff_pos-length );
} }
data->buff_len -= length;
data->command_line.erase(begin_idx, length); data->command_line.erase(begin_idx, length);
reader_super_highlight_me_plenty( data->buff_pos, 0 ); reader_super_highlight_me_plenty( data->buff_pos, 0 );
@ -532,9 +528,9 @@ void reader_pop_current_filename()
*/ */
static int check_size() static int check_size()
{ {
if( data->buff_sz < data->buff_len + 2 ) if( data->buff_sz < data->command_length() + 2 )
{ {
data->buff_sz = maxi( 128, data->buff_len*2 ); data->buff_sz = maxi( 128, data->command_length()*2 );
data->command_line.reserve(data->buff_sz); data->command_line.reserve(data->buff_sz);
@ -780,7 +776,6 @@ static void remove_backward()
data->command_line.erase(data->buff_pos-1, 1); data->command_line.erase(data->buff_pos-1, 1);
data->buff_pos--; data->buff_pos--;
data->buff_len--;
reader_super_highlight_me_plenty( data->buff_pos, reader_super_highlight_me_plenty( data->buff_pos,
0 ); 0 );
@ -797,7 +792,6 @@ static void remove_backward()
static int insert_str(const wcstring &str) static int insert_str(const wcstring &str)
{ {
size_t len = str.size(); size_t len = str.size();
data->buff_len += len;
check_size(); check_size();
data->command_line.insert(data->buff_pos, str); data->command_line.insert(data->buff_pos, str);
data->buff_pos += len; data->buff_pos += len;
@ -1720,12 +1714,8 @@ void reader_sanity_check()
if( !data ) if( !data )
sanity_lose(); sanity_lose();
if(!( data->buff_pos <= data->buff_len )) if(!( data->buff_pos <= data->command_length() ))
sanity_lose(); sanity_lose();
if(!( data->buff_len == data->command_line.size() ))
sanity_lose();
} }
} }
@ -1767,9 +1757,8 @@ void reader_replace_current_token( const wchar_t *new_token )
*/ */
static void handle_history( const wcstring &new_str ) static void handle_history( const wcstring &new_str )
{ {
data->buff_len = new_str.size();
check_size();
data->command_line = new_str; data->command_line = new_str;
check_size();
data->buff_pos=data->command_line.size(); data->buff_pos=data->command_line.size();
reader_super_highlight_me_plenty( data->buff_pos, 0 ); reader_super_highlight_me_plenty( data->buff_pos, 0 );
reader_repaint(); reader_repaint();
@ -1951,7 +1940,7 @@ static void move_word( int dir, int erase, int newv )
return; return;
} }
if( dir && data->buff_pos == data->buff_len ) if( dir && data->buff_pos == data->command_length() )
{ {
return; return;
} }
@ -1961,7 +1950,7 @@ static void move_word( int dir, int erase, int newv )
moving one step, since otehrwise we'll start on the \0, which moving one step, since otehrwise we'll start on the \0, which
should be ignored. should be ignored.
*/ */
if( !dir && (end_buff_pos == data->buff_len) ) if( !dir && (end_buff_pos == data->command_length()) )
{ {
if( !end_buff_pos ) if( !end_buff_pos )
return; return;
@ -1991,7 +1980,7 @@ static void move_word( int dir, int erase, int newv )
} }
else else
{ {
if( end_buff_pos >= data->buff_len ) if( end_buff_pos >= data->command_length() )
break; break;
} }
@ -2027,7 +2016,7 @@ static void move_word( int dir, int erase, int newv )
} }
else else
{ {
if( end_buff_pos >= data->buff_len ) if( end_buff_pos >= data->command_length() )
break; break;
} }
@ -2057,7 +2046,7 @@ static void move_word( int dir, int erase, int newv )
/* /*
Make sure we don't move beyond begining or end of buffer Make sure we don't move beyond begining or end of buffer
*/ */
end_buff_pos = maxi( 0, mini( end_buff_pos, data->buff_len ) ); end_buff_pos = maxi( 0, mini( end_buff_pos, data->command_length() ) );
@ -2096,14 +2085,11 @@ void reader_set_buffer( const wchar_t *b, int p )
/* Callers like to pass us pointers into ourselves, so be careful! I don't know if we can use operator= with a pointer to our interior, so use an intermediate. */ /* Callers like to pass us pointers into ourselves, so be careful! I don't know if we can use operator= with a pointer to our interior, so use an intermediate. */
int l = wcslen( b ); int l = wcslen( b );
data->buff_len = l;
check_size();
const wcstring tmp = b; const wcstring tmp = b;
data->command_line = tmp; data->command_line = tmp;
check_size();
if( p>=0 ) if( p>=0 )
{ {
data->buff_pos=mini( p, l ); data->buff_pos=mini( p, l );
@ -2552,8 +2538,8 @@ static int read_i()
{ {
tmp = wcsdup( tmp ); tmp = wcsdup( tmp );
data->buff_pos=data->buff_len=0; data->buff_pos=0;
data->command_line.resize(data->buff_len); data->command_line.clear();
reader_run_command( parser, tmp ); reader_run_command( parser, tmp );
free( (void *)tmp ); free( (void *)tmp );
if( data->end_loop) if( data->end_loop)
@ -2630,7 +2616,6 @@ const wchar_t *reader_readline()
check_size(); check_size();
data->search_buff.clear(); data->search_buff.clear();
data->command_line.resize(data->buff_len);
data->search_mode = NO_SEARCH; data->search_mode = NO_SEARCH;
@ -2755,7 +2740,7 @@ const wchar_t *reader_readline()
/* go to EOL*/ /* go to EOL*/
case R_END_OF_BUFFER: case R_END_OF_BUFFER:
{ {
data->buff_pos = data->buff_len; data->buff_pos = data->command_length();
reader_repaint(); reader_repaint();
break; break;
@ -2979,7 +2964,7 @@ const wchar_t *reader_readline()
Remove the current character in the character buffer and on the Remove the current character in the character buffer and on the
screen using syntax highlighting, etc. screen using syntax highlighting, etc.
*/ */
if( data->buff_pos < data->buff_len ) if( data->buff_pos < data->command_length() )
{ {
data->buff_pos++; data->buff_pos++;
remove_backward(); remove_backward();
@ -3019,7 +3004,7 @@ const wchar_t *reader_readline()
data->history->add(data->command_line); data->history->add(data->command_line);
} }
finished=1; finished=1;
data->buff_pos=data->buff_len; data->buff_pos=data->command_length();
reader_repaint(); reader_repaint();
break; break;
} }
@ -3138,7 +3123,7 @@ const wchar_t *reader_readline()
/* Move right*/ /* Move right*/
case R_FORWARD_CHAR: case R_FORWARD_CHAR:
{ {
if( data->buff_pos < data->buff_len ) if( data->buff_pos < data->command_length() )
{ {
data->buff_pos++; data->buff_pos++;
reader_repaint(); reader_repaint();
@ -3197,7 +3182,7 @@ const wchar_t *reader_readline()
else else
line_new = line_old+1; line_new = line_old+1;
int line_count = parse_util_lineno( data->command_line.c_str(), data->buff_len )-1; int line_count = parse_util_lineno( data->command_line.c_str(), data->command_length() )-1;
if( line_new >= 0 && line_new <= line_count) if( line_new >= 0 && line_new <= line_count)
{ {