/*
* pp_handle_indent() prints out the intendation, and
* the whole line (without the final newline), after
* de-tabifying.
*/
static void pp_handle_indent(struct pretty_print_context *pp,
struct strbuf *sb, int indent,
const char *line, int linelen)
{
strbuf_addchars(sb, ' ', indent);
if (pp->expand_tabs_in_log)
strbuf_add_tabexpand(sb, pp->expand_tabs_in_log, line, linelen);
else
strbuf_add(sb, line, linelen);
}
int main() {
struct strbuf buffer;
strbuf_init(&buffer, 0);
strbuf_grow(&buffer, 100);
print(buffer);
strbuf_addchars(&buffer, 'a', 90);
print(buffer);
strbuf_insert(&buffer, 40, "prince dhaliwal", 15);
strbuf_fread(&buffer, 100, stdin);
print(buffer);
printf("%zd", strbuf_avail(&buffer));
strbuf_release(&buffer);
return 0;
}
static void strbuf_add_indented_text(struct strbuf *buf, const char *text,
int indent, int indent2)
{
if (indent < 0)
indent = 0;
while (*text) {
const char *eol = strchrnul(text, '\n');
if (*eol == '\n')
eol++;
strbuf_addchars(buf, ' ', indent);
strbuf_add(buf, text, eol - text);
text = eol;
indent = indent2;
}
}
static void graph_padding_line(struct git_graph *graph, struct strbuf *sb)
{
int i;
if (graph->state != GRAPH_COMMIT) {
graph_next_line(graph, sb);
return;
}
/*
* Output the row containing this commit
* Iterate up to and including graph->num_columns,
* since the current commit may not be in any of the existing
* columns. (This happens when the current commit doesn't have any
* children that we have already processed.)
*/
for (i = 0; i < graph->num_columns; i++) {
struct column *col = &graph->columns[i];
struct commit *col_commit = col->commit;
if (col_commit == graph->commit) {
strbuf_write_column(sb, col, '|');
if (graph->num_parents < 3)
strbuf_addch(sb, ' ');
else {
int num_spaces = ((graph->num_parents - 2) * 2);
strbuf_addchars(sb, ' ', num_spaces);
}
} else {
strbuf_write_column(sb, col, '|');
strbuf_addch(sb, ' ');
}
}
graph_pad_horizontally(graph, sb, graph->num_columns);
/*
* Update graph->prev_state since we have output a padding line
*/
graph->prev_state = GRAPH_PADDING;
}
static void rerere_strbuf_putconflict(struct strbuf *buf, int ch, size_t size)
{
strbuf_addchars(buf, ch, size);
strbuf_addch(buf, '\n');
}
/*
* Wrap the text, if necessary. The variable indent is the indent for the
* first line, indent2 is the indent for all other lines.
* If indent is negative, assume that already -indent columns have been
* consumed (and no extra indent is necessary for the first line).
*/
int strbuf_add_wrapped_text(struct strbuf *buf,
const char *text, int indent1, int indent2, int width)
{
int indent, w, assume_utf8 = 1;
const char *bol, *space, *start = text;
size_t orig_len = buf->len;
if (width <= 0) {
strbuf_add_indented_text(buf, text, indent1, indent2);
return 1;
}
retry:
bol = text;
w = indent = indent1;
space = NULL;
if (indent < 0) {
w = -indent;
space = text;
}
for (;;) {
char c;
size_t skip;
while ((skip = display_mode_esc_sequence_len(text)))
text += skip;
c = *text;
if (!c || isspace(c)) {
if (w < width || !space) {
const char *start = bol;
if (!c && text == start)
return w;
if (space)
start = space;
else
strbuf_addchars(buf, ' ', indent);
strbuf_add(buf, start, text - start);
if (!c)
return w;
space = text;
if (c == '\t')
w |= 0x07;
else if (c == '\n') {
space++;
if (*space == '\n') {
strbuf_addch(buf, '\n');
goto new_line;
}
else if (!isalnum(*space))
goto new_line;
else
strbuf_addch(buf, ' ');
}
w++;
text++;
}
else {
new_line:
strbuf_addch(buf, '\n');
text = bol = space + isspace(*space);
space = NULL;
w = indent = indent2;
}
continue;
}
if (assume_utf8) {
w += utf8_width(&text, NULL);
if (!text) {
assume_utf8 = 0;
text = start;
strbuf_setlen(buf, orig_len);
goto retry;
}
} else {
w++;
text++;
}
}
}
static size_t format_and_pad_commit(struct strbuf *sb, /* in UTF-8 */
const char *placeholder,
struct format_commit_context *c)
{
struct strbuf local_sb = STRBUF_INIT;
int total_consumed = 0, len, padding = c->padding;
if (padding < 0) {
const char *start = strrchr(sb->buf, '\n');
int occupied;
if (!start)
start = sb->buf;
occupied = utf8_strnwidth(start, -1, 1);
padding = (-padding) - occupied;
}
while (1) {
int modifier = *placeholder == 'C';
int consumed = format_commit_one(&local_sb, placeholder, c);
total_consumed += consumed;
if (!modifier)
break;
placeholder += consumed;
if (*placeholder != '%')
break;
placeholder++;
total_consumed++;
}
len = utf8_strnwidth(local_sb.buf, -1, 1);
if (c->flush_type == flush_left_and_steal) {
const char *ch = sb->buf + sb->len - 1;
while (len > padding && ch > sb->buf) {
const char *p;
if (*ch == ' ') {
ch--;
padding++;
continue;
}
/* check for trailing ansi sequences */
if (*ch != 'm')
break;
p = ch - 1;
while (ch - p < 10 && *p != '\033')
p--;
if (*p != '\033' ||
ch + 1 - p != display_mode_esc_sequence_len(p))
break;
/*
* got a good ansi sequence, put it back to
* local_sb as we're cutting sb
*/
strbuf_insert(&local_sb, 0, p, ch + 1 - p);
ch = p - 1;
}
strbuf_setlen(sb, ch + 1 - sb->buf);
c->flush_type = flush_left;
}
if (len > padding) {
switch (c->truncate) {
case trunc_left:
strbuf_utf8_replace(&local_sb,
0, len - (padding - 2),
"..");
break;
case trunc_middle:
strbuf_utf8_replace(&local_sb,
padding / 2 - 1,
len - (padding - 2),
"..");
break;
case trunc_right:
strbuf_utf8_replace(&local_sb,
padding - 2, len - (padding - 2),
"..");
break;
case trunc_none:
break;
}
strbuf_addbuf(sb, &local_sb);
} else {
int sb_len = sb->len, offset = 0;
if (c->flush_type == flush_left)
offset = padding - len;
else if (c->flush_type == flush_both)
offset = (padding - len) / 2;
/*
* we calculate padding in columns, now
* convert it back to chars
*/
padding = padding - len + local_sb.len;
strbuf_addchars(sb, ' ', padding);
memcpy(sb->buf + sb_len + offset, local_sb.buf,
local_sb.len);
}
strbuf_release(&local_sb);
c->flush_type = no_flush;
return total_consumed;
}
static void output_pair_header(struct diff_options *diffopt,
int patch_no_width,
struct strbuf *buf,
struct strbuf *dashes,
struct patch_util *a_util,
struct patch_util *b_util)
{
struct object_id *oid = a_util ? &a_util->oid : &b_util->oid;
struct commit *commit;
char status;
const char *color_reset = diff_get_color_opt(diffopt, DIFF_RESET);
const char *color_old = diff_get_color_opt(diffopt, DIFF_FILE_OLD);
const char *color_new = diff_get_color_opt(diffopt, DIFF_FILE_NEW);
const char *color_commit = diff_get_color_opt(diffopt, DIFF_COMMIT);
const char *color;
if (!dashes->len)
strbuf_addchars(dashes, '-',
strlen(find_unique_abbrev(oid,
DEFAULT_ABBREV)));
if (!b_util) {
color = color_old;
status = '<';
} else if (!a_util) {
color = color_new;
status = '>';
} else if (strcmp(a_util->patch, b_util->patch)) {
color = color_commit;
status = '!';
} else {
color = color_commit;
status = '=';
}
strbuf_reset(buf);
strbuf_addstr(buf, status == '!' ? color_old : color);
if (!a_util)
strbuf_addf(buf, "%*s: %s ", patch_no_width, "-", dashes->buf);
else
strbuf_addf(buf, "%*d: %s ", patch_no_width, a_util->i + 1,
find_unique_abbrev(&a_util->oid, DEFAULT_ABBREV));
if (status == '!')
strbuf_addf(buf, "%s%s", color_reset, color);
strbuf_addch(buf, status);
if (status == '!')
strbuf_addf(buf, "%s%s", color_reset, color_new);
if (!b_util)
strbuf_addf(buf, " %*s: %s", patch_no_width, "-", dashes->buf);
else
strbuf_addf(buf, " %*d: %s", patch_no_width, b_util->i + 1,
find_unique_abbrev(&b_util->oid, DEFAULT_ABBREV));
commit = lookup_commit_reference(the_repository, oid);
if (commit) {
if (status == '!')
strbuf_addf(buf, "%s%s", color_reset, color);
strbuf_addch(buf, ' ');
pp_commit_easy(CMIT_FMT_ONELINE, commit, buf);
}
strbuf_addf(buf, "%s\n", color_reset);
fwrite(buf->buf, buf->len, 1, stdout);
}