format: create pretty.h file

Create header for pretty.c to make formatting interface more structured.
This is a middle point, this file would be merged further with other
files which contain formatting stuff.

Signed-off-by: Olga Telezhnaia <olyatelezhnaya@gmail.com>
Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/notes.c

@@ -12,7 +12,7 @@
 #include "builtin.h"
 #include "notes.h"
 #include "blob.h"
-#include "commit.h"
+#include "pretty.h"
 #include "refs.h"
 #include "exec_cmd.h"
 #include "run-command.h"

builtin/reset.c

@@ -12,7 +12,7 @@
 #include "lockfile.h"
 #include "tag.h"
 #include "object.h"
-#include "commit.h"
+#include "pretty.h"
 #include "run-command.h"
 #include "refs.h"
 #include "diff.h"

builtin/show-branch.c

@@ -1,6 +1,6 @@
 #include "cache.h"
 #include "config.h"
-#include "commit.h"
+#include "pretty.h"
 #include "refs.h"
 #include "builtin.h"
 #include "color.h"

commit.h

@@ -7,6 +7,7 @@
 #include "decorate.h"
 #include "gpg-interface.h"
 #include "string-list.h"
+#include "pretty.h"
 
 struct commit_list {
 	struct commit *item;
@@ -121,93 +122,13 @@ struct commit_list *copy_commit_list(struct commit_list *list);
 
 void free_commit_list(struct commit_list *list);
 
-/* Commit formats */
-enum cmit_fmt {
-	CMIT_FMT_RAW,
-	CMIT_FMT_MEDIUM,
-	CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
-	CMIT_FMT_SHORT,
-	CMIT_FMT_FULL,
-	CMIT_FMT_FULLER,
-	CMIT_FMT_ONELINE,
-	CMIT_FMT_EMAIL,
-	CMIT_FMT_MBOXRD,
-	CMIT_FMT_USERFORMAT,
-
-	CMIT_FMT_UNSPECIFIED
-};
-
-static inline int cmit_fmt_is_mail(enum cmit_fmt fmt)
-{
-	return (fmt == CMIT_FMT_EMAIL || fmt == CMIT_FMT_MBOXRD);
-}
-
 struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */
 
-struct pretty_print_context {
-	/*
-	 * Callers should tweak these to change the behavior of pp_* functions.
-	 */
-	enum cmit_fmt fmt;
-	int abbrev;
-	const char *after_subject;
-	int preserve_subject;
-	struct date_mode date_mode;
-	unsigned date_mode_explicit:1;
-	int print_email_subject;
-	int expand_tabs_in_log;
-	int need_8bit_cte;
-	char *notes_message;
-	struct reflog_walk_info *reflog_info;
-	struct rev_info *rev;
-	const char *output_encoding;
-	struct string_list *mailmap;
-	int color;
-	struct ident_split *from_ident;
-
-	/*
-	 * Fields below here are manipulated internally by pp_* functions and
-	 * should not be counted on by callers.
-	 */
-	struct string_list in_body_headers;
-	int graph_width;
-};
-
-struct userformat_want {
-	unsigned notes:1;
-};
-
 extern int has_non_ascii(const char *text);
 extern const char *logmsg_reencode(const struct commit *commit,
 				   char **commit_encoding,
 				   const char *output_encoding);
-extern void get_commit_format(const char *arg, struct rev_info *);
-extern const char *format_subject(struct strbuf *sb, const char *msg,
-				  const char *line_separator);
-extern void userformat_find_requirements(const char *fmt, struct userformat_want *w);
-extern int commit_format_is_empty(enum cmit_fmt);
 extern const char *skip_blank_lines(const char *msg);
-extern void format_commit_message(const struct commit *commit,
-				  const char *format, struct strbuf *sb,
-				  const struct pretty_print_context *context);
-extern void pretty_print_commit(struct pretty_print_context *pp,
-				const struct commit *commit,
-				struct strbuf *sb);
-extern void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit,
-			   struct strbuf *sb);
-void pp_user_info(struct pretty_print_context *pp,
-		  const char *what, struct strbuf *sb,
-		  const char *line, const char *encoding);
-void pp_title_line(struct pretty_print_context *pp,
-		   const char **msg_p,
-		   struct strbuf *sb,
-		   const char *encoding,
-		   int need_8bit_cte);
-void pp_remainder(struct pretty_print_context *pp,
-		  const char **msg_p,
-		  struct strbuf *sb,
-		  int indent);
-
 
 /** Removes the first commit from a list sorted by date, and adds all
  * of its parents.

pretty.h

@@ -0,0 +1,87 @@
+#ifndef PRETTY_H
+#define PRETTY_H
+
+struct commit;
+
+/* Commit formats */
+enum cmit_fmt {
+	CMIT_FMT_RAW,
+	CMIT_FMT_MEDIUM,
+	CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
+	CMIT_FMT_SHORT,
+	CMIT_FMT_FULL,
+	CMIT_FMT_FULLER,
+	CMIT_FMT_ONELINE,
+	CMIT_FMT_EMAIL,
+	CMIT_FMT_MBOXRD,
+	CMIT_FMT_USERFORMAT,
+
+	CMIT_FMT_UNSPECIFIED
+};
+
+struct pretty_print_context {
+	/*
+	 * Callers should tweak these to change the behavior of pp_* functions.
+	 */
+	enum cmit_fmt fmt;
+	int abbrev;
+	const char *after_subject;
+	int preserve_subject;
+	struct date_mode date_mode;
+	unsigned date_mode_explicit:1;
+	int print_email_subject;
+	int expand_tabs_in_log;
+	int need_8bit_cte;
+	char *notes_message;
+	struct reflog_walk_info *reflog_info;
+	struct rev_info *rev;
+	const char *output_encoding;
+	struct string_list *mailmap;
+	int color;
+	struct ident_split *from_ident;
+
+	/*
+	 * Fields below here are manipulated internally by pp_* functions and
+	 * should not be counted on by callers.
+	 */
+	struct string_list in_body_headers;
+	int graph_width;
+};
+
+static inline int cmit_fmt_is_mail(enum cmit_fmt fmt)
+{
+	return (fmt == CMIT_FMT_EMAIL || fmt == CMIT_FMT_MBOXRD);
+}
+
+struct userformat_want {
+	unsigned notes:1;
+};
+
+void userformat_find_requirements(const char *fmt, struct userformat_want *w);
+void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit,
+			struct strbuf *sb);
+void pp_user_info(struct pretty_print_context *pp, const char *what,
+			struct strbuf *sb, const char *line,
+			const char *encoding);
+void pp_title_line(struct pretty_print_context *pp, const char **msg_p,
+			struct strbuf *sb, const char *encoding,
+			int need_8bit_cte);
+void pp_remainder(struct pretty_print_context *pp, const char **msg_p,
+			struct strbuf *sb, int indent);
+
+void format_commit_message(const struct commit *commit,
+			const char *format, struct strbuf *sb,
+			const struct pretty_print_context *context);
+
+void get_commit_format(const char *arg, struct rev_info *);
+
+void pretty_print_commit(struct pretty_print_context *pp,
+			const struct commit *commit,
+			struct strbuf *sb);
+
+const char *format_subject(struct strbuf *sb, const char *msg,
+			const char *line_separator);
+
+int commit_format_is_empty(enum cmit_fmt);
+
+#endif /* PRETTY_H */

revision.h

@@ -4,7 +4,7 @@
 #include "parse-options.h"
 #include "grep.h"
 #include "notes.h"
-#include "commit.h"
+#include "pretty.h"
 #include "diff.h"
 
 /* Remember to update object flag allocation in object.h */