/* Internal API */
/*
- * Output the next line for a graph.
- * This formats the next graph line into the specified strbuf. It is not
- * terminated with a newline.
- *
- * Returns 1 if the line includes the current commit, and 0 otherwise.
- * graph_next_line() will return 1 exactly once for each time
- * graph_update() is called.
- */
-static int graph_next_line(struct git_graph *graph, struct strbuf *sb);
-
-/*
- * Set up a custom scheme for column colors.
- *
- * The default column color scheme inserts ANSI color escapes to colorize
- * the graph. The various color escapes are stored in an array of strings
- * where each entry corresponds to a color, except for the last entry,
- * which denotes the escape for resetting the color back to the default.
- * When generating the graph, strings from this array are inserted before
- * and after the various column characters.
- *
- * This function allows you to enable a custom array of color escapes.
- * The 'colors_max' argument is the index of the last "reset" entry.
- *
- * This functions must be called BEFORE graph_init() is called.
- */
-static void graph_set_column_colors(const char **colors, unsigned short colors_max);
-
-/*
* Output a padding line in the graph.
* This is similar to graph_next_line(). However, it is guaranteed to
* never print the current commit line. Instead, if the commit line is
static void graph_padding_line(struct git_graph *graph, struct strbuf *sb);
/*
- * Print a strbuf to stdout. If the graph is non-NULL, all lines but the
- * first will be prefixed with the graph output.
+ * Print a strbuf. If the graph is non-NULL, all lines but the first will be
+ * prefixed with the graph output.
*
* If the strbuf ends with a newline, the output will end after this
* newline. A new graph line will not be printed after the final newline.
static const char **column_colors;
static unsigned short column_colors_max;
-static void graph_set_column_colors(const char **colors, unsigned short colors_max)
+void graph_set_column_colors(const char **colors, unsigned short colors_max)
{
column_colors = colors;
column_colors_max = colors_max;
* We'll automatically grow columns later if we need more room.
*/
graph->column_capacity = 30;
- graph->columns = xmalloc(sizeof(struct column) *
- graph->column_capacity);
- graph->new_columns = xmalloc(sizeof(struct column) *
- graph->column_capacity);
- graph->mapping = xmalloc(sizeof(int) * 2 * graph->column_capacity);
- graph->new_mapping = xmalloc(sizeof(int) * 2 * graph->column_capacity);
+ ALLOC_ARRAY(graph->columns, graph->column_capacity);
+ ALLOC_ARRAY(graph->new_columns, graph->column_capacity);
+ ALLOC_ARRAY(graph->mapping, 2 * graph->column_capacity);
+ ALLOC_ARRAY(graph->new_mapping, 2 * graph->column_capacity);
/*
* The diff output prefix callback, with this we can make
graph->column_capacity *= 2;
} while (graph->column_capacity < num_columns);
- graph->columns = xrealloc(graph->columns,
- sizeof(struct column) *
- graph->column_capacity);
- graph->new_columns = xrealloc(graph->new_columns,
- sizeof(struct column) *
- graph->column_capacity);
- graph->mapping = xrealloc(graph->mapping,
- sizeof(int) * 2 * graph->column_capacity);
- graph->new_mapping = xrealloc(graph->new_mapping,
- sizeof(int) * 2 * graph->column_capacity);
+ REALLOC_ARRAY(graph->columns, graph->column_capacity);
+ REALLOC_ARRAY(graph->new_columns, graph->column_capacity);
+ REALLOC_ARRAY(graph->mapping, graph->column_capacity * 2);
+ REALLOC_ARRAY(graph->new_mapping, graph->column_capacity * 2);
}
/*
graph_pad_horizontally(graph, sb, graph->num_new_columns * 2);
}
+
+int graph_width(struct git_graph *graph)
+{
+ return graph->width;
+}
+
+
static void graph_output_skip_line(struct git_graph *graph, struct strbuf *sb)
{
/*
int num_dashes =
((graph->num_parents - dashless_commits) * 2) - 1;
for (i = 0; i < num_dashes; i++) {
- col_num = (i / 2) + dashless_commits;
+ col_num = (i / 2) + dashless_commits + graph->commit_index;
strbuf_write_column(sb, &graph->new_columns[col_num], '-');
}
- col_num = (i / 2) + dashless_commits;
+ col_num = (i / 2) + dashless_commits + graph->commit_index;
strbuf_write_column(sb, &graph->new_columns[col_num], '.');
return num_dashes + 1;
}
graph_update_state(graph, GRAPH_PADDING);
}
-static int graph_next_line(struct git_graph *graph, struct strbuf *sb)
+int graph_next_line(struct git_graph *graph, struct strbuf *sb)
{
switch (graph->state) {
case GRAPH_PADDING:
static void graph_padding_line(struct git_graph *graph, struct strbuf *sb)
{
- int i, j;
+ int i;
+ int chars_written = 0;
if (graph->state != GRAPH_COMMIT) {
graph_next_line(graph, sb);
*/
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);
- for (j = 0; j < num_spaces; j++)
- strbuf_addch(sb, ' ');
- }
+ strbuf_write_column(sb, col, '|');
+ chars_written++;
+
+ if (col->commit == graph->commit && graph->num_parents > 2) {
+ int len = (graph->num_parents - 2) * 2;
+ strbuf_addchars(sb, ' ', len);
+ chars_written += len;
} else {
- strbuf_write_column(sb, col, '|');
strbuf_addch(sb, ' ');
+ chars_written++;
}
}
- graph_pad_horizontally(graph, sb, graph->num_columns);
+ graph_pad_horizontally(graph, sb, chars_written);
/*
* Update graph->prev_state since we have output a padding line
if (!graph)
return;
+ /*
+ * When showing a diff of a merge against each of its parents, we
+ * are called once for each parent without graph_update having been
+ * called. In this case, simply output a single padding line.
+ */
+ if (graph_is_commit_finished(graph)) {
+ graph_show_padding(graph);
+ shown_commit_line = 1;
+ }
+
while (!shown_commit_line && !graph_is_commit_finished(graph)) {
shown_commit_line = graph_next_line(graph, &msgbuf);
- fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout);
+ fwrite(msgbuf.buf, sizeof(char), msgbuf.len,
+ graph->revs->diffopt.file);
if (!shown_commit_line)
- putchar('\n');
+ putc('\n', graph->revs->diffopt.file);
strbuf_setlen(&msgbuf, 0);
}
return;
graph_next_line(graph, &msgbuf);
- fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout);
+ fwrite(msgbuf.buf, sizeof(char), msgbuf.len, graph->revs->diffopt.file);
strbuf_release(&msgbuf);
}
return;
graph_padding_line(graph, &msgbuf);
- fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout);
+ fwrite(msgbuf.buf, sizeof(char), msgbuf.len, graph->revs->diffopt.file);
strbuf_release(&msgbuf);
}
for (;;) {
graph_next_line(graph, &msgbuf);
- fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout);
+ fwrite(msgbuf.buf, sizeof(char), msgbuf.len,
+ graph->revs->diffopt.file);
strbuf_setlen(&msgbuf, 0);
shown = 1;
if (!graph_is_commit_finished(graph))
- putchar('\n');
+ putc('\n', graph->revs->diffopt.file);
else
break;
}
char *p;
if (!graph) {
- fwrite(sb->buf, sizeof(char), sb->len, stdout);
+ fwrite(sb->buf, sizeof(char), sb->len,
+ graph->revs->diffopt.file);
return;
}
} else {
len = (sb->buf + sb->len) - p;
}
- fwrite(p, sizeof(char), len, stdout);
+ fwrite(p, sizeof(char), len, graph->revs->diffopt.file);
if (next_p && *next_p != '\0')
graph_show_oneline(graph);
p = next_p;
* CMIT_FMT_USERFORMAT are already missing a terminating
* newline. All of the other formats should have it.
*/
- fwrite(sb->buf, sizeof(char), sb->len, stdout);
+ fwrite(sb->buf, sizeof(char), sb->len,
+ graph->revs->diffopt.file);
return;
}
* new line.
*/
if (!newline_terminated)
- putchar('\n');
+ putc('\n', graph->revs->diffopt.file);
graph_show_remainder(graph);
* If sb ends with a newline, our output should too.
*/
if (newline_terminated)
- putchar('\n');
+ putc('\n', graph->revs->diffopt.file);
}
}