commit: prepare logmsg_reencode to handle arbitrary repositories
[git/git.git] / pretty.h
1 #ifndef PRETTY_H
2 #define PRETTY_H
3
4 #include "cache.h"
5 #include "string-list.h"
6
7 struct commit;
8 struct strbuf;
9
10 /* Commit formats */
11 enum cmit_fmt {
12 CMIT_FMT_RAW,
13 CMIT_FMT_MEDIUM,
14 CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
15 CMIT_FMT_SHORT,
16 CMIT_FMT_FULL,
17 CMIT_FMT_FULLER,
18 CMIT_FMT_ONELINE,
19 CMIT_FMT_EMAIL,
20 CMIT_FMT_MBOXRD,
21 CMIT_FMT_USERFORMAT,
22
23 CMIT_FMT_UNSPECIFIED
24 };
25
26 struct pretty_print_context {
27 /*
28 * Callers should tweak these to change the behavior of pp_* functions.
29 */
30 enum cmit_fmt fmt;
31 int abbrev;
32 const char *after_subject;
33 int preserve_subject;
34 struct date_mode date_mode;
35 unsigned date_mode_explicit:1;
36 int print_email_subject;
37 int expand_tabs_in_log;
38 int need_8bit_cte;
39 char *notes_message;
40 struct reflog_walk_info *reflog_info;
41 struct rev_info *rev;
42 const char *output_encoding;
43 struct string_list *mailmap;
44 int color;
45 struct ident_split *from_ident;
46
47 /*
48 * Fields below here are manipulated internally by pp_* functions and
49 * should not be counted on by callers.
50 */
51 struct string_list in_body_headers;
52 int graph_width;
53 };
54
55 /* Check whether commit format is mail. */
56 static inline int cmit_fmt_is_mail(enum cmit_fmt fmt)
57 {
58 return (fmt == CMIT_FMT_EMAIL || fmt == CMIT_FMT_MBOXRD);
59 }
60
61 struct userformat_want {
62 unsigned notes:1;
63 };
64
65 /* Set the flag "w->notes" if there is placeholder %N in "fmt". */
66 void userformat_find_requirements(const char *fmt, struct userformat_want *w);
67
68 /*
69 * Shortcut for invoking pretty_print_commit if we do not have any context.
70 * Context would be set empty except "fmt".
71 */
72 void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit,
73 struct strbuf *sb);
74
75 /*
76 * Get information about user and date from "line", format it and
77 * put it into "sb".
78 * Format of "line" must be readable for split_ident_line function.
79 * The resulting format is "what: name <email> date".
80 */
81 void pp_user_info(struct pretty_print_context *pp, const char *what,
82 struct strbuf *sb, const char *line,
83 const char *encoding);
84
85 /*
86 * Format title line of commit message taken from "msg_p" and
87 * put it into "sb".
88 * First line of "msg_p" is also affected.
89 */
90 void pp_title_line(struct pretty_print_context *pp, const char **msg_p,
91 struct strbuf *sb, const char *encoding,
92 int need_8bit_cte);
93
94 /*
95 * Get current state of commit message from "msg_p" and continue formatting
96 * by adding indentation and '>' signs. Put result into "sb".
97 */
98 void pp_remainder(struct pretty_print_context *pp, const char **msg_p,
99 struct strbuf *sb, int indent);
100
101 /*
102 * Create a text message about commit using given "format" and "context".
103 * Put the result to "sb".
104 * Please use this function for custom formats.
105 */
106 void format_commit_message(const struct commit *commit,
107 const char *format, struct strbuf *sb,
108 const struct pretty_print_context *context);
109
110 /*
111 * Parse given arguments from "arg", check it for correctness and
112 * fill struct rev_info.
113 */
114 void get_commit_format(const char *arg, struct rev_info *);
115
116 /*
117 * Make a commit message with all rules from given "pp"
118 * and put it into "sb".
119 * Please use this function if you have a context (candidate for "pp").
120 */
121 void pretty_print_commit(struct pretty_print_context *pp,
122 const struct commit *commit,
123 struct strbuf *sb);
124
125 /*
126 * Change line breaks in "msg" to "line_separator" and put it into "sb".
127 * Return "msg" itself.
128 */
129 const char *format_subject(struct strbuf *sb, const char *msg,
130 const char *line_separator);
131
132 /* Check if "cmit_fmt" will produce an empty output. */
133 int commit_format_is_empty(enum cmit_fmt);
134
135 #endif /* PRETTY_H */