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-rw-r--r--graph.c50
1 files changed, 27 insertions, 23 deletions
diff --git a/graph.c b/graph.c
index ac7c605406..e2a58605ca 100644
--- a/graph.c
+++ b/graph.c
@@ -8,17 +8,6 @@
/* 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);
-
-/*
* 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
@@ -73,7 +62,7 @@ enum graph_state {
/*
* The list of available column colors.
*/
-static char column_colors[][COLOR_MAXLEN] = {
+static const char *column_colors_ansi[] = {
GIT_COLOR_RED,
GIT_COLOR_GREEN,
GIT_COLOR_YELLOW,
@@ -86,23 +75,33 @@ static char column_colors[][COLOR_MAXLEN] = {
GIT_COLOR_BOLD_BLUE,
GIT_COLOR_BOLD_MAGENTA,
GIT_COLOR_BOLD_CYAN,
+ GIT_COLOR_RESET,
};
-#define COLUMN_COLORS_MAX (ARRAY_SIZE(column_colors))
+#define COLUMN_COLORS_ANSI_MAX (ARRAY_SIZE(column_colors_ansi) - 1)
+
+static const char **column_colors;
+static unsigned short column_colors_max;
-static const char *column_get_color_code(const struct column *c)
+void graph_set_column_colors(const char **colors, unsigned short colors_max)
{
- return column_colors[c->color];
+ column_colors = colors;
+ column_colors_max = colors_max;
+}
+
+static const char *column_get_color_code(unsigned short color)
+{
+ return column_colors[color];
}
static void strbuf_write_column(struct strbuf *sb, const struct column *c,
char col_char)
{
- if (c->color < COLUMN_COLORS_MAX)
- strbuf_addstr(sb, column_get_color_code(c));
+ if (c->color < column_colors_max)
+ strbuf_addstr(sb, column_get_color_code(c->color));
strbuf_addch(sb, col_char);
- if (c->color < COLUMN_COLORS_MAX)
- strbuf_addstr(sb, GIT_COLOR_RESET);
+ if (c->color < column_colors_max)
+ strbuf_addstr(sb, column_get_color_code(column_colors_max));
}
struct git_graph {
@@ -226,6 +225,11 @@ static struct strbuf *diff_output_prefix_callback(struct diff_options *opt, void
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);
+
graph->commit = NULL;
graph->revs = opt;
graph->num_parents = 0;
@@ -242,7 +246,7 @@ struct git_graph *graph_init(struct rev_info *opt)
* always increment it for the first commit we output.
* This way we start at 0 for the first commit.
*/
- graph->default_column_color = COLUMN_COLORS_MAX - 1;
+ graph->default_column_color = column_colors_max - 1;
/*
* Allocate a reasonably large default number of columns
@@ -365,7 +369,7 @@ static struct commit_list *first_interesting_parent(struct git_graph *graph)
static unsigned short graph_get_current_column_color(const struct git_graph *graph)
{
if (!DIFF_OPT_TST(&graph->revs->diffopt, COLOR_DIFF))
- return COLUMN_COLORS_MAX;
+ return column_colors_max;
return graph->default_column_color;
}
@@ -375,7 +379,7 @@ static unsigned short graph_get_current_column_color(const struct git_graph *gra
static void graph_increment_column_color(struct git_graph *graph)
{
graph->default_column_color = (graph->default_column_color + 1) %
- COLUMN_COLORS_MAX;
+ column_colors_max;
}
static unsigned short graph_find_commit_color(const struct git_graph *graph,
@@ -1143,7 +1147,7 @@ static void graph_output_collapsing_line(struct git_graph *graph, struct strbuf
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: