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 */