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Merge branch 'jc/spht'

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* jc/spht:
  Use gitattributes to define per-path whitespace rule
  core.whitespace: documentation updates.
  builtin-apply: teach whitespace_rules
  builtin-apply: rename "whitespace" variables and fix styles
  core.whitespace: add test for diff whitespace error highlighting
  git-diff: complain about >=8 consecutive spaces in initial indent
  War on whitespace: first, a bit of retreat.

Conflicts:

	cache.h
	config.c
	diff.c
This commit is contained in:
Junio C Hamano
2007-12-09 01:23:48 -08:00
parent 05e74f4111 cf1b7869f0
commit 4eb39e9bcc
12 changed files with 639 additions and 109 deletions
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40
diff.c
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@ -454,6 +454,7 @@ static void diff_words_show(struct diff_words_data *diff_words)
struct emit_callback {
struct xdiff_emit_state xm;
int nparents, color_diff;
unsigned ws_rule;
const char **label_path;
struct diff_words_data *diff_words;
int *found_changesp;
@ -493,8 +494,8 @@ static void emit_line(const char *set, const char *reset, const char *line, int
}
static void emit_line_with_ws(int nparents,
const char *set, const char *reset, const char *ws,
const char *line, int len)
const char *set, const char *reset, const char *ws,
const char *line, int len, unsigned ws_rule)
{
int col0 = nparents;
int last_tab_in_indent = -1;
@ -502,13 +503,17 @@ static void emit_line_with_ws(int nparents,
int i;
int tail = len;
int need_highlight_leading_space = 0;
/* The line is a newly added line. Does it have funny leading
* whitespaces? In indent, SP should never precede a TAB.
/*
* The line is a newly added line. Does it have funny leading
* whitespaces? In indent, SP should never precede a TAB. In
* addition, under "indent with non tab" rule, there should not
* be more than 8 consecutive spaces.
*/
for (i = col0; i < len; i++) {
if (line[i] == '\t') {
last_tab_in_indent = i;
if (0 <= last_space_in_indent)
if ((ws_rule & WS_SPACE_BEFORE_TAB) &&
0 <= last_space_in_indent)
need_highlight_leading_space = 1;
}
else if (line[i] == ' ')
@ -516,6 +521,13 @@ static void emit_line_with_ws(int nparents,
else
break;
}
if ((ws_rule & WS_INDENT_WITH_NON_TAB) &&
0 <= last_space_in_indent &&
last_tab_in_indent < 0 &&
8 <= (i - col0)) {
last_tab_in_indent = i;
need_highlight_leading_space = 1;
}
fputs(set, stdout);
fwrite(line, col0, 1, stdout);
fputs(reset, stdout);
@ -540,10 +552,12 @@ static void emit_line_with_ws(int nparents,
tail = len - 1;
if (line[tail] == '\n' && i < tail)
tail--;
while (i < tail) {
if (!isspace(line[tail]))
break;
tail--;
if (ws_rule & WS_TRAILING_SPACE) {
while (i < tail) {
if (!isspace(line[tail]))
break;
tail--;
}
}
if ((i < tail && line[tail + 1] != '\n')) {
/* This has whitespace between tail+1..len */
@ -565,7 +579,7 @@ static void emit_add_line(const char *reset, struct emit_callback *ecbdata, cons
emit_line(set, reset, line, len);
else
emit_line_with_ws(ecbdata->nparents, set, reset, ws,
line, len);
line, len, ecbdata->ws_rule);
}
static void fn_out_consume(void *priv, char *line, unsigned long len)
@ -981,6 +995,7 @@ struct checkdiff_t {
struct xdiff_emit_state xm;
const char *filename;
int lineno, color_diff;
unsigned ws_rule;
};
static void checkdiff_consume(void *priv, char *line, unsigned long len)
@ -1016,7 +1031,8 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len)
if (white_space_at_end)
printf("white space at end");
printf(":%s ", reset);
emit_line_with_ws(1, set, reset, ws, line, len);
emit_line_with_ws(1, set, reset, ws, line, len,
data->ws_rule);
}
data->lineno++;
@ -1317,6 +1333,7 @@ static void builtin_diff(const char *name_a,
ecbdata.label_path = lbl;
ecbdata.color_diff = DIFF_OPT_TST(o, COLOR_DIFF);
ecbdata.found_changesp = &o->found_changes;
ecbdata.ws_rule = whitespace_rule(name_b ? name_b : name_a);
xpp.flags = XDF_NEED_MINIMAL | o->xdl_opts;
xecfg.ctxlen = o->context;
xecfg.flags = XDL_EMIT_FUNCNAMES;
@ -1410,6 +1427,7 @@ static void builtin_checkdiff(const char *name_a, const char *name_b,
data.filename = name_b ? name_b : name_a;
data.lineno = 0;
data.color_diff = DIFF_OPT_TST(o, COLOR_DIFF);
data.ws_rule = whitespace_rule(data.filename);
if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0)
die("unable to read files to diff");