#include "cache.h"
+#include "config.h"
#include "commit.h"
#include "color.h"
#include "graph.h"
-#include "diff.h"
#include "revision.h"
+#include "argv-array.h"
/* 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.
* responsible for printing this line's graph (perhaps via
* graph_show_commit() or graph_show_oneline()) before calling
* graph_show_strbuf().
+ *
+ * Note that unlike some other graph display functions, you must pass the file
+ * handle directly. It is assumed that this is the same file handle as the
+ * file specified by the graph diff options. This is necessary so that
+ * graph_show_strbuf can be called even with a NULL graph.
*/
-static void graph_show_strbuf(struct git_graph *graph, struct strbuf const *sb);
+static void graph_show_strbuf(struct git_graph *graph,
+ FILE *file,
+ struct strbuf const *sb);
/*
* TODO:
GRAPH_COLLAPSING
};
+static void graph_show_line_prefix(const struct diff_options *diffopt)
+{
+ if (!diffopt || !diffopt->line_prefix)
+ return;
+
+ fwrite(diffopt->line_prefix,
+ sizeof(char),
+ diffopt->line_prefix_length,
+ diffopt->file);
+}
+
static const char **column_colors;
static unsigned short column_colors_max;
-static void graph_set_column_colors(const char **colors, unsigned short colors_max)
+static void parse_graph_colors_config(struct argv_array *colors, const char *string)
+{
+ const char *end, *start;
+
+ start = string;
+ end = string + strlen(string);
+ while (start < end) {
+ const char *comma = strchrnul(start, ',');
+ char color[COLOR_MAXLEN];
+
+ if (!color_parse_mem(start, comma - start, color))
+ argv_array_push(colors, color);
+ else
+ warning(_("ignore invalid color '%.*s' in log.graphColors"),
+ (int)(comma - start), start);
+ start = comma + 1;
+ }
+ argv_array_push(colors, GIT_COLOR_RESET);
+}
+
+void graph_set_column_colors(const char **colors, unsigned short colors_max)
{
column_colors = colors;
column_colors_max = colors_max;
static struct strbuf msgbuf = STRBUF_INIT;
assert(opt);
- assert(graph);
- opt->output_prefix_length = graph->width;
strbuf_reset(&msgbuf);
- graph_padding_line(graph, &msgbuf);
+ if (opt->line_prefix)
+ strbuf_add(&msgbuf, opt->line_prefix,
+ opt->line_prefix_length);
+ if (graph)
+ graph_padding_line(graph, &msgbuf);
return &msgbuf;
}
+static const struct diff_options *default_diffopt;
+
+void graph_setup_line_prefix(struct diff_options *diffopt)
+{
+ default_diffopt = diffopt;
+
+ /* setup an output prefix callback if necessary */
+ if (diffopt && !diffopt->output_prefix)
+ diffopt->output_prefix = diff_output_prefix_callback;
+}
+
+
struct git_graph *graph_init(struct rev_info *opt)
{
struct git_graph *graph = xmalloc(sizeof(struct git_graph));
- if (!column_colors)
- graph_set_column_colors(column_colors_ansi,
- column_colors_ansi_max);
+ if (!column_colors) {
+ char *string;
+ if (git_config_get_string("log.graphcolors", &string)) {
+ /* not configured -- use default */
+ graph_set_column_colors(column_colors_ansi,
+ column_colors_ansi_max);
+ } else {
+ static struct argv_array custom_colors = ARGV_ARRAY_INIT;
+ argv_array_clear(&custom_colors);
+ parse_graph_colors_config(&custom_colors, string);
+ free(string);
+ /* graph_set_column_colors takes a max-index, not a count */
+ graph_set_column_colors(custom_colors.argv,
+ custom_colors.argc - 1);
+ }
+ }
graph->commit = NULL;
graph->revs = opt;
* 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
*/
opt->diffopt.output_prefix = diff_output_prefix_callback;
opt->diffopt.output_prefix_data = graph;
- opt->diffopt.output_prefix_length = 0;
return graph;
}
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);
}
/*
static void graph_update_columns(struct git_graph *graph)
{
struct commit_list *parent;
- struct column *tmp_columns;
int max_new_columns;
int mapping_idx;
int i, seen_this, is_commit_in_columns;
* We'll re-use the old columns array as storage to compute the new
* columns list for the commit after this one.
*/
- tmp_columns = graph->columns;
- graph->columns = graph->new_columns;
+ SWAP(graph->columns, graph->new_columns);
graph->num_columns = graph->num_new_columns;
-
- graph->new_columns = tmp_columns;
graph->num_new_columns = 0;
/*
* This way, fields printed to the right of the graph will remain
* aligned for the entire commit.
*/
- int extra;
- if (chars_written >= graph->width)
- return;
-
- extra = graph->width - chars_written;
- strbuf_addf(sb, "%*s", (int) extra, "");
+ if (chars_written < graph->width)
+ strbuf_addchars(sb, ' ', graph->width - chars_written);
}
static void graph_output_padding_line(struct git_graph *graph,
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)
{
/*
if (col->commit == graph->commit) {
seen_this = 1;
strbuf_write_column(sb, col, '|');
- strbuf_addf(sb, "%*s", graph->expansion_row, "");
+ strbuf_addchars(sb, ' ', graph->expansion_row);
chars_written += 1 + graph->expansion_row;
} else if (seen_this && (graph->expansion_row == 0)) {
/*
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;
}
static void graph_output_collapsing_line(struct git_graph *graph, struct strbuf *sb)
{
int i;
- int *tmp_mapping;
short used_horizontal = 0;
int horizontal_edge = -1;
int horizontal_edge_target = -1;
/*
* Swap mapping and new_mapping
*/
- tmp_mapping = graph->mapping;
- graph->mapping = graph->new_mapping;
- graph->new_mapping = tmp_mapping;
+ SWAP(graph->mapping, graph->new_mapping);
/*
* If graph->mapping indicates that all of the branch lines
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
struct strbuf msgbuf = STRBUF_INIT;
int shown_commit_line = 0;
+ graph_show_line_prefix(default_diffopt);
+
if (!graph)
return;
- while (!shown_commit_line) {
+ /*
+ * 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);
- if (!shown_commit_line)
- putchar('\n');
+ fwrite(msgbuf.buf, sizeof(char), msgbuf.len,
+ graph->revs->diffopt.file);
+ if (!shown_commit_line) {
+ putc('\n', graph->revs->diffopt.file);
+ graph_show_line_prefix(&graph->revs->diffopt);
+ }
strbuf_setlen(&msgbuf, 0);
}
{
struct strbuf msgbuf = STRBUF_INIT;
+ graph_show_line_prefix(default_diffopt);
+
if (!graph)
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);
}
{
struct strbuf msgbuf = STRBUF_INIT;
+ graph_show_line_prefix(default_diffopt);
+
if (!graph)
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);
}
struct strbuf msgbuf = STRBUF_INIT;
int shown = 0;
+ graph_show_line_prefix(default_diffopt);
+
if (!graph)
return 0;
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');
- else
+ if (!graph_is_commit_finished(graph)) {
+ putc('\n', graph->revs->diffopt.file);
+ graph_show_line_prefix(&graph->revs->diffopt);
+ } else {
break;
+ }
}
strbuf_release(&msgbuf);
return shown;
}
-
-static void graph_show_strbuf(struct git_graph *graph, struct strbuf const *sb)
+static void graph_show_strbuf(struct git_graph *graph,
+ FILE *file,
+ struct strbuf const *sb)
{
char *p;
- if (!graph) {
- fwrite(sb->buf, sizeof(char), sb->len, stdout);
- return;
- }
-
/*
* Print the strbuf line by line,
* and display the graph info before each line but the first.
} else {
len = (sb->buf + sb->len) - p;
}
- fwrite(p, sizeof(char), len, stdout);
+ fwrite(p, sizeof(char), len, file);
if (next_p && *next_p != '\0')
graph_show_oneline(graph);
p = next_p;
}
void graph_show_commit_msg(struct git_graph *graph,
+ FILE *file,
struct strbuf const *sb)
{
int newline_terminated;
- if (!graph) {
- /*
- * If there's no graph, just print the message buffer.
- *
- * The message buffer for CMIT_FMT_ONELINE and
- * 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);
- return;
- }
-
- newline_terminated = (sb->len && sb->buf[sb->len - 1] == '\n');
-
/*
* Show the commit message
*/
- graph_show_strbuf(graph, sb);
+ graph_show_strbuf(graph, file, sb);
+
+ if (!graph)
+ return;
+
+ newline_terminated = (sb->len && sb->buf[sb->len - 1] == '\n');
/*
* If there is more output needed for this commit, show it now
* new line.
*/
if (!newline_terminated)
- putchar('\n');
+ putc('\n', file);
graph_show_remainder(graph);
* If sb ends with a newline, our output should too.
*/
if (newline_terminated)
- putchar('\n');
+ putc('\n', file);
}
}
projects / platform / upstream / git.git / blobdiff