diff options
Diffstat (limited to 'graph.c')
| -rw-r--r-- | graph.c | 35 |
1 files changed, 33 insertions, 2 deletions
@@ -8,6 +8,34 @@ /* 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 @@ -62,7 +90,7 @@ enum graph_state { 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; @@ -194,8 +222,10 @@ static struct strbuf *diff_output_prefix_callback(struct diff_options *opt, void 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; @@ -245,6 +275,7 @@ struct git_graph *graph_init(struct rev_info *opt) */ opt->diffopt.output_prefix = diff_output_prefix_callback; opt->diffopt.output_prefix_data = graph; + opt->diffopt.output_prefix_length = 0; return graph; } @@ -1113,7 +1144,7 @@ static void graph_output_collapsing_line(struct git_graph *graph, struct strbuf 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: |