emit_line_0(o, set, reset, line[0], line+1, len-1);
}
-static int new_blank_line_at_eof(struct emit_callback *ecbdata, const char *line, int len)
-{
- if (!((ecbdata->ws_rule & WS_BLANK_AT_EOF) &&
- ecbdata->blank_at_eof_in_preimage &&
- ecbdata->blank_at_eof_in_postimage &&
- ecbdata->blank_at_eof_in_preimage <= ecbdata->lno_in_preimage &&
- ecbdata->blank_at_eof_in_postimage <= ecbdata->lno_in_postimage))
- return 0;
- return ws_blank_line(line, len, ecbdata->ws_rule);
-}
+enum diff_symbol {
+ DIFF_SYMBOL_HEADER,
+ DIFF_SYMBOL_FILEPAIR_PLUS,
+ DIFF_SYMBOL_FILEPAIR_MINUS,
+ DIFF_SYMBOL_WORDS_PORCELAIN,
+ DIFF_SYMBOL_WORDS,
+ DIFF_SYMBOL_CONTEXT,
+ DIFF_SYMBOL_CONTEXT_INCOMPLETE,
+ DIFF_SYMBOL_PLUS,
+ DIFF_SYMBOL_MINUS,
+ DIFF_SYMBOL_NO_LF_EOF,
+ DIFF_SYMBOL_CONTEXT_FRAGINFO,
+ DIFF_SYMBOL_CONTEXT_MARKER,
+ DIFF_SYMBOL_SEPARATOR
+};
+/*
+ * Flags for content lines:
+ * 0..12 are whitespace rules
+ * 13-15 are WSEH_NEW | WSEH_OLD | WSEH_CONTEXT
+ * 16 is marking if the line is blank at EOF
+ */
+#define DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF (1<<16)
+#define DIFF_SYMBOL_CONTENT_WS_MASK (WSEH_NEW | WSEH_OLD | WSEH_CONTEXT | WS_RULE_MASK)
-static void emit_line_checked(const char *reset,
- struct emit_callback *ecbdata,
- const char *line, int len,
- enum color_diff color,
- unsigned ws_error_highlight,
- char sign)
+static void emit_line_ws_markup(struct diff_options *o,
+ const char *set, const char *reset,
+ const char *line, int len, char sign,
+ unsigned ws_rule, int blank_at_eof)
{
- const char *set = diff_get_color(ecbdata->color_diff, color);
const char *ws = NULL;
- if (ecbdata->opt->ws_error_highlight & ws_error_highlight) {
- ws = diff_get_color(ecbdata->color_diff, DIFF_WHITESPACE);
+ if (o->ws_error_highlight & ws_rule) {
+ ws = diff_get_color_opt(o, DIFF_WHITESPACE);
if (!*ws)
ws = NULL;
}
if (!ws)
- emit_line_0(ecbdata->opt, set, reset, sign, line, len);
- else if (sign == '+' && new_blank_line_at_eof(ecbdata, line, len))
+ emit_line_0(o, set, reset, sign, line, len);
+ else if (blank_at_eof)
/* Blank line at EOF - paint '+' as well */
- emit_line_0(ecbdata->opt, ws, reset, sign, line, len);
+ emit_line_0(o, ws, reset, sign, line, len);
else {
/* Emit just the prefix, then the rest. */
- emit_line_0(ecbdata->opt, set, reset, sign, "", 0);
- ws_check_emit(line, len, ecbdata->ws_rule,
- ecbdata->opt->file, set, reset, ws);
+ emit_line_0(o, set, reset, sign, "", 0);
+ ws_check_emit(line, len, ws_rule,
+ o->file, set, reset, ws);
+ }
+}
+
+static void emit_diff_symbol(struct diff_options *o, enum diff_symbol s,
+ const char *line, int len, unsigned flags)
+{
+ static const char *nneof = " No newline at end of file\n";
+ const char *context, *reset, *set, *meta;
+ switch (s) {
+ case DIFF_SYMBOL_NO_LF_EOF:
+ context = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ putc('\n', o->file);
+ emit_line_0(o, context, reset, '\\',
+ nneof, strlen(nneof));
+ break;
+ case DIFF_SYMBOL_CONTEXT_FRAGINFO:
+ emit_line(o, "", "", line, len);
+ break;
+ case DIFF_SYMBOL_CONTEXT_INCOMPLETE:
+ case DIFF_SYMBOL_CONTEXT_MARKER:
+ context = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line(o, context, reset, line, len);
+ break;
+ case DIFF_SYMBOL_SEPARATOR:
+ fprintf(o->file, "%s%c",
+ diff_line_prefix(o),
+ o->line_termination);
+ break;
+ case DIFF_SYMBOL_CONTEXT:
+ set = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line_ws_markup(o, set, reset, line, len, ' ',
+ flags & (DIFF_SYMBOL_CONTENT_WS_MASK), 0);
+ break;
+ case DIFF_SYMBOL_PLUS:
+ set = diff_get_color_opt(o, DIFF_FILE_NEW);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line_ws_markup(o, set, reset, line, len, '+',
+ flags & DIFF_SYMBOL_CONTENT_WS_MASK,
+ flags & DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF);
+ break;
+ case DIFF_SYMBOL_MINUS:
+ set = diff_get_color_opt(o, DIFF_FILE_OLD);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line_ws_markup(o, set, reset, line, len, '-',
+ flags & DIFF_SYMBOL_CONTENT_WS_MASK, 0);
+ break;
+ case DIFF_SYMBOL_WORDS_PORCELAIN:
+ context = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ emit_line(o, context, reset, line, len);
+ fputs("~\n", o->file);
+ break;
+ case DIFF_SYMBOL_WORDS:
+ context = diff_get_color_opt(o, DIFF_CONTEXT);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ /*
+ * Skip the prefix character, if any. With
+ * diff_suppress_blank_empty, there may be
+ * none.
+ */
+ if (line[0] != '\n') {
+ line++;
+ len--;
+ }
+ emit_line(o, context, reset, line, len);
+ break;
+ case DIFF_SYMBOL_FILEPAIR_PLUS:
+ meta = diff_get_color_opt(o, DIFF_METAINFO);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ fprintf(o->file, "%s%s+++ %s%s%s\n", diff_line_prefix(o), meta,
+ line, reset,
+ strchr(line, ' ') ? "\t" : "");
+ break;
+ case DIFF_SYMBOL_FILEPAIR_MINUS:
+ meta = diff_get_color_opt(o, DIFF_METAINFO);
+ reset = diff_get_color_opt(o, DIFF_RESET);
+ fprintf(o->file, "%s%s--- %s%s%s\n", diff_line_prefix(o), meta,
+ line, reset,
+ strchr(line, ' ') ? "\t" : "");
+ break;
+ case DIFF_SYMBOL_HEADER:
+ fprintf(o->file, "%s", line);
+ break;
+ default:
+ die("BUG: unknown diff symbol");
}
}
+static int new_blank_line_at_eof(struct emit_callback *ecbdata, const char *line, int len)
+{
+ if (!((ecbdata->ws_rule & WS_BLANK_AT_EOF) &&
+ ecbdata->blank_at_eof_in_preimage &&
+ ecbdata->blank_at_eof_in_postimage &&
+ ecbdata->blank_at_eof_in_preimage <= ecbdata->lno_in_preimage &&
+ ecbdata->blank_at_eof_in_postimage <= ecbdata->lno_in_postimage))
+ return 0;
+ return ws_blank_line(line, len, ecbdata->ws_rule);
+}
+
static void emit_add_line(const char *reset,
struct emit_callback *ecbdata,
const char *line, int len)
{
- emit_line_checked(reset, ecbdata, line, len,
- DIFF_FILE_NEW, WSEH_NEW, '+');
+ unsigned flags = WSEH_NEW | ecbdata->ws_rule;
+ if (new_blank_line_at_eof(ecbdata, line, len))
+ flags |= DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF;
+
+ emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_PLUS, line, len, flags);
}
static void emit_del_line(const char *reset,
struct emit_callback *ecbdata,
const char *line, int len)
{
- emit_line_checked(reset, ecbdata, line, len,
- DIFF_FILE_OLD, WSEH_OLD, '-');
+ unsigned flags = WSEH_OLD | ecbdata->ws_rule;
+ emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_MINUS, line, len, flags);
}
static void emit_context_line(const char *reset,
struct emit_callback *ecbdata,
const char *line, int len)
{
- emit_line_checked(reset, ecbdata, line, len,
- DIFF_CONTEXT, WSEH_CONTEXT, ' ');
+ unsigned flags = WSEH_CONTEXT | ecbdata->ws_rule;
+ emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_CONTEXT, line, len, flags);
}
static void emit_hunk_header(struct emit_callback *ecbdata,
if (len < 10 ||
memcmp(line, atat, 2) ||
!(ep = memmem(line + 2, len - 2, atat, 2))) {
- emit_line(ecbdata->opt, context, reset, line, len);
+ emit_diff_symbol(ecbdata->opt,
+ DIFF_SYMBOL_CONTEXT_MARKER, line, len, 0);
return;
}
ep += 2; /* skip over @@ */
}
strbuf_add(&msgbuf, line + len, org_len - len);
- emit_line(ecbdata->opt, "", "", msgbuf.buf, msgbuf.len);
+ strbuf_complete_line(&msgbuf);
+ emit_diff_symbol(ecbdata->opt,
+ DIFF_SYMBOL_CONTEXT_FRAGINFO, msgbuf.buf, msgbuf.len, 0);
strbuf_release(&msgbuf);
}
int prefix, const char *data, int size)
{
const char *endp = NULL;
- static const char *nneof = " No newline at end of file\n";
const char *reset = diff_get_color(ecb->color_diff, DIFF_RESET);
while (0 < size) {
size -= len;
data += len;
}
- if (!endp) {
- const char *context = diff_get_color(ecb->color_diff,
- DIFF_CONTEXT);
- putc('\n', ecb->opt->file);
- emit_line_0(ecb->opt, context, reset, '\\',
- nneof, strlen(nneof));
- }
+ if (!endp)
+ emit_diff_symbol(ecb->opt, DIFF_SYMBOL_NO_LF_EOF, NULL, 0, 0);
}
static void emit_rewrite_diff(const char *name_a,
struct diff_options *o)
{
int lc_a, lc_b;
- const char *name_a_tab, *name_b_tab;
- const char *metainfo = diff_get_color(o->use_color, DIFF_METAINFO);
const char *fraginfo = diff_get_color(o->use_color, DIFF_FRAGINFO);
const char *reset = diff_get_color(o->use_color, DIFF_RESET);
static struct strbuf a_name = STRBUF_INIT, b_name = STRBUF_INIT;
name_a += (*name_a == '/');
name_b += (*name_b == '/');
- name_a_tab = strchr(name_a, ' ') ? "\t" : "";
- name_b_tab = strchr(name_b, ' ') ? "\t" : "";
strbuf_reset(&a_name);
strbuf_reset(&b_name);
lc_a = count_lines(data_one, size_one);
lc_b = count_lines(data_two, size_two);
- fprintf(o->file,
- "%s%s--- %s%s%s\n%s%s+++ %s%s%s\n%s%s@@ -",
- line_prefix, metainfo, a_name.buf, name_a_tab, reset,
- line_prefix, metainfo, b_name.buf, name_b_tab, reset,
- line_prefix, fraginfo);
+
+ emit_diff_symbol(o, DIFF_SYMBOL_FILEPAIR_MINUS,
+ a_name.buf, a_name.len, 0);
+ emit_diff_symbol(o, DIFF_SYMBOL_FILEPAIR_PLUS,
+ b_name.buf, b_name.len, 0);
+
+ fprintf(o->file, "%s%s@@ -", line_prefix, fraginfo);
if (!o->irreversible_delete)
print_line_count(o->file, lc_a);
else
static void fn_out_consume(void *priv, char *line, unsigned long len)
{
struct emit_callback *ecbdata = priv;
- const char *meta = diff_get_color(ecbdata->color_diff, DIFF_METAINFO);
- const char *context = diff_get_color(ecbdata->color_diff, DIFF_CONTEXT);
const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
struct diff_options *o = ecbdata->opt;
- const char *line_prefix = diff_line_prefix(o);
o->found_changes = 1;
if (ecbdata->header) {
- fprintf(o->file, "%s", ecbdata->header->buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ ecbdata->header->buf, ecbdata->header->len, 0);
strbuf_reset(ecbdata->header);
ecbdata->header = NULL;
}
if (ecbdata->label_path[0]) {
- const char *name_a_tab, *name_b_tab;
-
- name_a_tab = strchr(ecbdata->label_path[0], ' ') ? "\t" : "";
- name_b_tab = strchr(ecbdata->label_path[1], ' ') ? "\t" : "";
-
- fprintf(o->file, "%s%s--- %s%s%s\n",
- line_prefix, meta, ecbdata->label_path[0], reset, name_a_tab);
- fprintf(o->file, "%s%s+++ %s%s%s\n",
- line_prefix, meta, ecbdata->label_path[1], reset, name_b_tab);
+ emit_diff_symbol(o, DIFF_SYMBOL_FILEPAIR_MINUS,
+ ecbdata->label_path[0],
+ strlen(ecbdata->label_path[0]), 0);
+ emit_diff_symbol(o, DIFF_SYMBOL_FILEPAIR_PLUS,
+ ecbdata->label_path[1],
+ strlen(ecbdata->label_path[1]), 0);
ecbdata->label_path[0] = ecbdata->label_path[1] = NULL;
}
len = sane_truncate_line(ecbdata, line, len);
find_lno(line, ecbdata);
emit_hunk_header(ecbdata, line, len);
- if (line[len-1] != '\n')
- putc('\n', o->file);
return;
}
if (ecbdata->diff_words) {
+ enum diff_symbol s =
+ ecbdata->diff_words->type == DIFF_WORDS_PORCELAIN ?
+ DIFF_SYMBOL_WORDS_PORCELAIN : DIFF_SYMBOL_WORDS;
if (line[0] == '-') {
diff_words_append(line, len,
&ecbdata->diff_words->minus);
return;
}
diff_words_flush(ecbdata);
- if (ecbdata->diff_words->type == DIFF_WORDS_PORCELAIN) {
- emit_line(o, context, reset, line, len);
- fputs("~\n", o->file);
- } else {
- /*
- * Skip the prefix character, if any. With
- * diff_suppress_blank_empty, there may be
- * none.
- */
- if (line[0] != '\n') {
- line++;
- len--;
- }
- emit_line(o, context, reset, line, len);
- }
+ emit_diff_symbol(o, s, line, len, 0);
return;
}
default:
/* incomplete line at the end */
ecbdata->lno_in_preimage++;
- emit_line(o, diff_get_color(ecbdata->color_diff, DIFF_CONTEXT),
- reset, line, len);
+ emit_diff_symbol(o, DIFF_SYMBOL_CONTEXT_INCOMPLETE,
+ line, len, 0);
break;
}
}
if (complete_rewrite &&
(textconv_one || !diff_filespec_is_binary(one)) &&
(textconv_two || !diff_filespec_is_binary(two))) {
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
strbuf_reset(&header);
emit_rewrite_diff(name_a, name_b, one, two,
textconv_one, textconv_two, o);
}
if (o->irreversible_delete && lbl[1][0] == '/') {
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER, header.buf,
+ header.len, 0);
strbuf_reset(&header);
goto free_ab_and_return;
} else if (!DIFF_OPT_TST(o, TEXT) &&
!DIFF_OPT_TST(o, BINARY)) {
if (!oidcmp(&one->oid, &two->oid)) {
if (must_show_header)
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len,
+ 0);
goto free_ab_and_return;
}
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
fprintf(o->file, "%sBinary files %s and %s differ\n",
line_prefix, lbl[0], lbl[1]);
goto free_ab_and_return;
if (mf1.size == mf2.size &&
!memcmp(mf1.ptr, mf2.ptr, mf1.size)) {
if (must_show_header)
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
goto free_ab_and_return;
}
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER, header.buf, header.len, 0);
strbuf_reset(&header);
if (DIFF_OPT_TST(o, BINARY))
emit_binary_diff(o->file, &mf1, &mf2, line_prefix);
const struct userdiff_funcname *pe;
if (must_show_header) {
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
strbuf_reset(&header);
}
const char *other;
const char *attr_path;
- name = p->one->path;
- other = (strcmp(name, p->two->path) ? p->two->path : NULL);
+ name = one->path;
+ other = (strcmp(name, two->path) ? two->path : NULL);
attr_path = name;
if (o->prefix_length)
strip_prefix(o->prefix_length, &name, &other);
warning(_(rename_limit_advice), varname, needed);
}
+static void diff_flush_patch_all_file_pairs(struct diff_options *o)
+{
+ int i;
+ struct diff_queue_struct *q = &diff_queued_diff;
+
+ if (WSEH_NEW & WS_RULE_MASK)
+ die("BUG: WS rules bit mask overlaps with diff symbol flags");
+
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ if (check_pair_status(p))
+ diff_flush_patch(p, o);
+ }
+}
+
void diff_flush(struct diff_options *options)
{
struct diff_queue_struct *q = &diff_queued_diff;
if (output_format & DIFF_FORMAT_PATCH) {
if (separator) {
- fprintf(options->file, "%s%c",
- diff_line_prefix(options),
- options->line_termination);
+ emit_diff_symbol(options, DIFF_SYMBOL_SEPARATOR, NULL, 0, 0);
if (options->stat_sep) {
/* attach patch instead of inline */
fputs(options->stat_sep, options->file);
}
}
- for (i = 0; i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- if (check_pair_status(p))
- diff_flush_patch(p, options);
- }
+ diff_flush_patch_all_file_pairs(options);
}
if (output_format & DIFF_FORMAT_CALLBACK)