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Diffstat (limited to 'ws.c')
-rw-r--r--ws.c27
1 files changed, 22 insertions, 5 deletions
diff --git a/ws.c b/ws.c
index f4afcdd..0302ef5 100644
--- a/ws.c
+++ b/ws.c
@@ -19,6 +19,7 @@ static struct whitespace_rule {
{ "cr-at-eol", WS_CR_AT_EOL, 1 },
{ "blank-at-eol", WS_BLANK_AT_EOL, 0 },
{ "blank-at-eof", WS_BLANK_AT_EOF, 0 },
+ { "tab-in-indent", WS_TAB_IN_INDENT, 0, 1 },
};
unsigned parse_whitespace_rule(const char *string)
@@ -57,6 +58,9 @@ unsigned parse_whitespace_rule(const char *string)
}
string = ep;
}
+
+ if (rule & WS_TAB_IN_INDENT && rule & WS_INDENT_WITH_NON_TAB)
+ die("cannot enforce both tab-in-indent and indent-with-non-tab");
return rule;
}
@@ -127,6 +131,11 @@ char *whitespace_error_string(unsigned ws)
strbuf_addstr(&err, ", ");
strbuf_addstr(&err, "indent with spaces");
}
+ if (ws & WS_TAB_IN_INDENT) {
+ if (err.len)
+ strbuf_addstr(&err, ", ");
+ strbuf_addstr(&err, "tab in indent");
+ }
return strbuf_detach(&err, NULL);
}
@@ -165,7 +174,7 @@ static unsigned ws_check_emit_1(const char *line, int len, unsigned ws_rule,
}
}
- /* Check for space before tab in initial indent. */
+ /* Check indentation */
for (i = 0; i < len; i++) {
if (line[i] == ' ')
continue;
@@ -177,11 +186,19 @@ static unsigned ws_check_emit_1(const char *line, int len, unsigned ws_rule,
fputs(ws, stream);
fwrite(line + written, i - written, 1, stream);
fputs(reset, stream);
+ fwrite(line + i, 1, 1, stream);
}
- } else if (stream)
- fwrite(line + written, i - written, 1, stream);
- if (stream)
- fwrite(line + i, 1, 1, stream);
+ } else if (ws_rule & WS_TAB_IN_INDENT) {
+ result |= WS_TAB_IN_INDENT;
+ if (stream) {
+ fwrite(line + written, i - written, 1, stream);
+ fputs(ws, stream);
+ fwrite(line + i, 1, 1, stream);
+ fputs(reset, stream);
+ }
+ } else if (stream) {
+ fwrite(line + written, i - written + 1, 1, stream);
+ }
written = i + 1;
}