/* 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
GRAPH_COLLAPSING
};
-/*
- * The list of available column colors.
- */
-static const char *column_colors_ansi[] = {
- GIT_COLOR_RED,
- GIT_COLOR_GREEN,
- GIT_COLOR_YELLOW,
- GIT_COLOR_BLUE,
- GIT_COLOR_MAGENTA,
- GIT_COLOR_CYAN,
- GIT_COLOR_BOLD_RED,
- GIT_COLOR_BOLD_GREEN,
- GIT_COLOR_BOLD_YELLOW,
- GIT_COLOR_BOLD_BLUE,
- GIT_COLOR_BOLD_MAGENTA,
- GIT_COLOR_BOLD_CYAN,
- GIT_COLOR_RESET,
-};
-
-#define COLUMN_COLORS_ANSI_MAX (ARRAY_SIZE(column_colors_ansi) - 1)
-
static const char **column_colors;
static unsigned short column_colors_max;
-void graph_set_column_colors(const char **colors, unsigned short colors_max)
+static void graph_set_column_colors(const char **colors, unsigned short colors_max)
{
column_colors = colors;
column_colors_max = colors_max;
struct git_graph *graph = data;
static struct strbuf msgbuf = STRBUF_INIT;
+ assert(opt);
assert(graph);
+ opt->output_prefix_length = graph->width;
strbuf_reset(&msgbuf);
graph_padding_line(graph, &msgbuf);
return &msgbuf;
if (!column_colors)
graph_set_column_colors(column_colors_ansi,
- COLUMN_COLORS_ANSI_MAX);
+ column_colors_ansi_max);
graph->commit = NULL;
graph->revs = opt;
*/
opt->diffopt.output_prefix = diff_output_prefix_callback;
opt->diffopt.output_prefix_data = graph;
+ opt->diffopt.output_prefix_length = 0;
return graph;
}
static unsigned short graph_get_current_column_color(const struct git_graph *graph)
{
- if (!DIFF_OPT_TST(&graph->revs->diffopt, COLOR_DIFF))
+ if (!want_color(graph->revs->diffopt.use_color))
return column_colors_max;
return graph->default_column_color;
}
}
/*
- * If revs->left_right is set, print '<' for commits that
- * come from the left side, and '>' for commits from the right
- * side.
- */
- if (graph->revs && graph->revs->left_right) {
- if (graph->commit->object.flags & SYMMETRIC_LEFT)
- strbuf_addch(sb, '<');
- else
- strbuf_addch(sb, '>');
- return;
- }
-
- /*
- * Print '*' in all other cases
+ * get_revision_mark() handles all other cases without assert()
*/
- strbuf_addch(sb, '*');
+ strbuf_addstr(sb, get_revision_mark(graph->revs, graph->commit));
}
/*
graph_update_state(graph, GRAPH_PADDING);
}
-int graph_next_line(struct git_graph *graph, struct strbuf *sb)
+static int graph_next_line(struct git_graph *graph, struct strbuf *sb)
{
switch (graph->state) {
case GRAPH_PADDING: