/**
* Output a comment to the column using indent_with_tabs and
* indent_cmt_with_tabs as the rules.
* base_col is the indent of the first line of the comment.
* On the first line, column == base_col.
* On subsequnet lines, column >= base_col.
*
* @param brace_col the brace-level indent of the comment
* @param base_col the indent of the start of the comment (multiline)
* @param column the column that we should end up in
*/
static void cmt_output_indent(int brace_col, int base_col, int column)
{
int iwt;
int tab_col;
iwt = cpd.settings[UO_indent_cmt_with_tabs].b ? 2 :
(cpd.settings[UO_indent_with_tabs].n ? 1 : 0);
tab_col = (iwt == 0) ? 0 : ((iwt == 1) ? brace_col : base_col);
//LOG_FMT(LSYS, "%s(brace=%d base=%d col=%d iwt=%d) tab=%d cur=%d\n",
// __func__, brace_col, base_col, column, iwt, tab_col, cpd.column);
cpd.did_newline = 0;
if ((iwt == 2) || ((cpd.column == 1) && (iwt == 1)))
{
/* tab out as far as possible and then use spaces */
while (next_tab_column(cpd.column) <= tab_col)
{
add_text("\t");
}
}
/* space out the rest */
while (cpd.column < column)
{
add_text(" ");
}
}
/**
* Advance to a specific column
* cpd.column is the current column
*
* @param column The column to advance to
*/
void output_to_column(int column, bool allow_tabs)
{
int nc;
cpd.did_newline = 0;
if (allow_tabs)
{
/* tab out as far as possible and then use spaces */
while ((nc = next_tab_column(cpd.column)) <= column)
{
add_text("\t");
}
}
/* space out the final bit */
while (cpd.column < column)
{
add_text(" ");
}
}
void add_char(char ch)
{
/* convert a newline into the LF/CRLF/CR sequence */
if (ch == '\n')
{
fputs(cpd.newline, cpd.fout);
cpd.column = 1;
cpd.did_newline = 1;
}
else
{
fputc(ch, cpd.fout);
if (ch == '\t')
{
cpd.column = next_tab_column(cpd.column);
}
else
{
cpd.column++;
}
}
}
void output_indent(int column, int brace_col)
{
if ((cpd.column == 1) && (cpd.settings[UO_indent_with_tabs].n != 0))
{
if (cpd.settings[UO_indent_with_tabs].n == 2)
{
brace_col = column;
}
/* tab out as far as possible and then use spaces */
int nc;
while ((nc = next_tab_column(cpd.column)) <= brace_col)
{
add_text("\t");
}
}
/* space out the rest */
while (cpd.column < column)
{
add_text(" ");
}
}
/**
* All output text is sent here, one char at a time.
*/
static void add_char(UINT32 ch)
{
static int last_char = 0;
/* If we did a '\r' and it isn't followed by a '\n', then output a newline */
if ((last_char == '\r') && (ch != '\n'))
{
write_string(cpd.fout, cpd.newline.get(), cpd.enc);
cpd.column = 1;
cpd.did_newline = 1;
cpd.spaces = 0;
}
/* convert a newline into the LF/CRLF/CR sequence */
if (ch == '\n')
{
write_string(cpd.fout, cpd.newline.get(), cpd.enc);
cpd.column = 1;
cpd.did_newline = 1;
cpd.spaces = 0;
}
else if (ch == '\r')
{
/* do not output '\r' */
cpd.column = 1;
cpd.did_newline = 1;
cpd.spaces = 0;
}
else
{
/* Explicitly disallow a tab after a space */
if ((ch == '\t') && (last_char == ' '))
{
int endcol = next_tab_column(cpd.column);
while (cpd.column < endcol)
{
add_char(' ');
}
return;
}
else if (ch == ' ')
{
cpd.spaces++;
cpd.column++;
}
else
{
while (cpd.spaces > 0)
{
write_char(cpd.fout, ' ', cpd.enc);
cpd.spaces--;
}
write_char(cpd.fout, ch, cpd.enc);
if (ch == '\t')
{
cpd.column = next_tab_column(cpd.column);
}
else
{
cpd.column++;
}
}
}
last_char = ch;
}
