Merge git://git.kernel.org/pub/scm/gitk/gitk
[gitweb.git] / pretty.c
index 997f5837d521ded5f158d12abc0c025f74e83341..687293224c3bca20da413d132e17a436e2c79990 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -4,41 +4,49 @@
 #include "diff.h"
 #include "revision.h"
 
-static struct cmt_fmt_map {
-       const char *n;
-       size_t cmp_len;
-       enum cmit_fmt v;
-} cmt_fmts[] = {
-       { "raw",        1,      CMIT_FMT_RAW },
-       { "medium",     1,      CMIT_FMT_MEDIUM },
-       { "short",      1,      CMIT_FMT_SHORT },
-       { "email",      1,      CMIT_FMT_EMAIL },
-       { "full",       5,      CMIT_FMT_FULL },
-       { "fuller",     5,      CMIT_FMT_FULLER },
-       { "oneline",    1,      CMIT_FMT_ONELINE },
-       { "format:",    7,      CMIT_FMT_USERFORMAT},
-};
-
 static char *user_format;
 
-enum cmit_fmt get_commit_format(const char *arg)
+void get_commit_format(const char *arg, struct rev_info *rev)
 {
        int i;
-
-       if (!arg || !*arg)
-               return CMIT_FMT_DEFAULT;
+       static struct cmt_fmt_map {
+               const char *n;
+               size_t cmp_len;
+               enum cmit_fmt v;
+       } cmt_fmts[] = {
+               { "raw",        1,      CMIT_FMT_RAW },
+               { "medium",     1,      CMIT_FMT_MEDIUM },
+               { "short",      1,      CMIT_FMT_SHORT },
+               { "email",      1,      CMIT_FMT_EMAIL },
+               { "full",       5,      CMIT_FMT_FULL },
+               { "fuller",     5,      CMIT_FMT_FULLER },
+               { "oneline",    1,      CMIT_FMT_ONELINE },
+       };
+
+       rev->use_terminator = 0;
+       if (!arg || !*arg) {
+               rev->commit_format = CMIT_FMT_DEFAULT;
+               return;
+       }
        if (*arg == '=')
                arg++;
-       if (!prefixcmp(arg, "format:")) {
-               if (user_format)
-                       free(user_format);
-               user_format = xstrdup(arg + 7);
-               return CMIT_FMT_USERFORMAT;
+       if (!prefixcmp(arg, "format:") || !prefixcmp(arg, "tformat:")) {
+               const char *cp = strchr(arg, ':') + 1;
+               free(user_format);
+               user_format = xstrdup(cp);
+               if (arg[0] == 't')
+                       rev->use_terminator = 1;
+               rev->commit_format = CMIT_FMT_USERFORMAT;
+               return;
        }
        for (i = 0; i < ARRAY_SIZE(cmt_fmts); i++) {
                if (!strncmp(arg, cmt_fmts[i].n, cmt_fmts[i].cmp_len) &&
-                   !strncmp(arg, cmt_fmts[i].n, strlen(arg)))
-                       return cmt_fmts[i].v;
+                   !strncmp(arg, cmt_fmts[i].n, strlen(arg))) {
+                       if (cmt_fmts[i].v == CMIT_FMT_ONELINE)
+                               rev->use_terminator = 1;
+                       rev->commit_format = cmt_fmts[i].v;
+                       return;
+               }
        }
 
        die("invalid --pretty format: %s", arg);
@@ -110,9 +118,9 @@ static void add_rfc2047(struct strbuf *sb, const char *line, int len,
        strbuf_addstr(sb, "?=");
 }
 
-static void add_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
-                        const char *line, enum date_mode dmode,
-                        const char *encoding)
+void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
+                 const char *line, enum date_mode dmode,
+                 const char *encoding)
 {
        char *date;
        int namelen;
@@ -458,6 +466,7 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
        const struct commit *commit = c->commit;
        const char *msg = commit->buffer;
        struct commit_list *p;
+       int h1, h2;
 
        /* these are independent of the commit */
        switch (placeholder[0]) {
@@ -479,6 +488,16 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
        case 'n':               /* newline */
                strbuf_addch(sb, '\n');
                return 1;
+       case 'x':
+               /* %x00 == NUL, %x0a == LF, etc. */
+               if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) &&
+                   h1 <= 16 &&
+                   0 <= (h2 = hexval_table[0xff & placeholder[2]]) &&
+                   h2 <= 16) {
+                       strbuf_addch(sb, (h1<<4)|h2);
+                       return 3;
+               } else
+                       return 0;
        }
 
        /* these depend on the commit */
@@ -621,23 +640,23 @@ static void pp_header(enum cmit_fmt fmt,
                 */
                if (!memcmp(line, "author ", 7)) {
                        strbuf_grow(sb, linelen + 80);
-                       add_user_info("Author", fmt, sb, line + 7, dmode, encoding);
+                       pp_user_info("Author", fmt, sb, line + 7, dmode, encoding);
                }
                if (!memcmp(line, "committer ", 10) &&
                    (fmt == CMIT_FMT_FULL || fmt == CMIT_FMT_FULLER)) {
                        strbuf_grow(sb, linelen + 80);
-                       add_user_info("Commit", fmt, sb, line + 10, dmode, encoding);
+                       pp_user_info("Commit", fmt, sb, line + 10, dmode, encoding);
                }
        }
 }
 
-static void pp_title_line(enum cmit_fmt fmt,
-                         const char **msg_p,
-                         struct strbuf *sb,
-                         const char *subject,
-                         const char *after_subject,
-                         const char *encoding,
-                         int plain_non_ascii)
+void pp_title_line(enum cmit_fmt fmt,
+                  const char **msg_p,
+                  struct strbuf *sb,
+                  const char *subject,
+                  const char *after_subject,
+                  const char *encoding,
+                  int need_8bit_cte)
 {
        struct strbuf title;
 
@@ -670,7 +689,7 @@ static void pp_title_line(enum cmit_fmt fmt,
        }
        strbuf_addch(sb, '\n');
 
-       if (plain_non_ascii) {
+       if (need_8bit_cte > 0) {
                const char *header_fmt =
                        "MIME-Version: 1.0\n"
                        "Content-Type: text/plain; charset=%s\n"
@@ -686,10 +705,10 @@ static void pp_title_line(enum cmit_fmt fmt,
        strbuf_release(&title);
 }
 
-static void pp_remainder(enum cmit_fmt fmt,
-                        const char **msg_p,
-                        struct strbuf *sb,
-                        int indent)
+void pp_remainder(enum cmit_fmt fmt,
+                 const char **msg_p,
+                 struct strbuf *sb,
+                 int indent)
 {
        int first = 1;
        for (;;) {
@@ -719,9 +738,9 @@ static void pp_remainder(enum cmit_fmt fmt,
 }
 
 void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
-                                 struct strbuf *sb, int abbrev,
-                                 const char *subject, const char *after_subject,
-                                 enum date_mode dmode, int plain_non_ascii)
+                        struct strbuf *sb, int abbrev,
+                        const char *subject, const char *after_subject,
+                        enum date_mode dmode, int need_8bit_cte)
 {
        unsigned long beginning_of_body;
        int indent = 4;
@@ -747,13 +766,11 @@ void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
        if (fmt == CMIT_FMT_ONELINE || fmt == CMIT_FMT_EMAIL)
                indent = 0;
 
-       /* After-subject is used to pass in Content-Type: multipart
-        * MIME header; in that case we do not have to do the
-        * plaintext content type even if the commit message has
-        * non 7-bit ASCII character.  Otherwise, check if we need
-        * to say this is not a 7-bit ASCII.
+       /*
+        * We need to check and emit Content-type: to mark it
+        * as 8-bit if we haven't done so.
         */
-       if (fmt == CMIT_FMT_EMAIL && !after_subject) {
+       if (fmt == CMIT_FMT_EMAIL && need_8bit_cte == 0) {
                int i, ch, in_body;
 
                for (in_body = i = 0; (ch = msg[i]); i++) {
@@ -766,7 +783,7 @@ void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
                                        in_body = 1;
                        }
                        else if (non_ascii(ch)) {
-                               plain_non_ascii = 1;
+                               need_8bit_cte = 1;
                                break;
                        }
                }
@@ -791,7 +808,7 @@ void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
        /* These formats treat the title line specially. */
        if (fmt == CMIT_FMT_ONELINE || fmt == CMIT_FMT_EMAIL)
                pp_title_line(fmt, &msg, sb, subject,
-                             after_subject, encoding, plain_non_ascii);
+                             after_subject, encoding, need_8bit_cte);
 
        beginning_of_body = sb->len;
        if (fmt != CMIT_FMT_ONELINE)